// ==ClosureCompiler==
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// @compilation_level SIMPLE_OPTIMIZATIONS
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/**
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* @license Highcharts JS v4.0.3 (2014-07-03)
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*
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* (c) 2009-2014 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*/
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// JSLint options:
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/*global Highcharts, document, window, navigator, setInterval, clearInterval, clearTimeout, setTimeout, location, jQuery, $, console, each, grep */
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/*jslint ass: true, sloppy: true, forin: true, plusplus: true, nomen: true, vars: true, regexp: true, newcap: true, browser: true, continue: true, white: true */
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(function () {
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// encapsulated variables
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var UNDEFINED,
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doc = document,
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win = window,
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math = Math,
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mathRound = math.round,
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mathFloor = math.floor,
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mathCeil = math.ceil,
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mathMax = math.max,
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mathMin = math.min,
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mathAbs = math.abs,
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mathCos = math.cos,
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mathSin = math.sin,
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mathPI = math.PI,
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deg2rad = mathPI * 2 / 360,
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// some variables
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userAgent = navigator.userAgent,
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isOpera = win.opera,
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isIE = /msie/i.test(userAgent) && !isOpera,
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docMode8 = doc.documentMode === 8,
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isWebKit = /AppleWebKit/.test(userAgent),
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isFirefox = /Firefox/.test(userAgent),
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isTouchDevice = /(Mobile|Android|Windows Phone)/.test(userAgent),
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SVG_NS = 'http://www.w3.org/2000/svg',
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hasSVG = !!doc.createElementNS && !!doc.createElementNS(SVG_NS, 'svg').createSVGRect,
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hasBidiBug = isFirefox && parseInt(userAgent.split('Firefox/')[1], 10) < 4, // issue #38
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useCanVG = !hasSVG && !isIE && !!doc.createElement('canvas').getContext,
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Renderer,
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hasTouch,
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symbolSizes = {},
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idCounter = 0,
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garbageBin,
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defaultOptions,
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dateFormat, // function
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globalAnimation,
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pathAnim,
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timeUnits,
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error,
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noop = function () { return UNDEFINED; },
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charts = [],
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chartCount = 0,
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PRODUCT = 'Highcharts',
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VERSION = '4.0.3',
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// some constants for frequently used strings
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DIV = 'div',
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ABSOLUTE = 'absolute',
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RELATIVE = 'relative',
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HIDDEN = 'hidden',
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PREFIX = 'highcharts-',
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VISIBLE = 'visible',
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PX = 'px',
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NONE = 'none',
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M = 'M',
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L = 'L',
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numRegex = /^[0-9]+$/,
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NORMAL_STATE = '',
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HOVER_STATE = 'hover',
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SELECT_STATE = 'select',
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// Object for extending Axis
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AxisPlotLineOrBandExtension,
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// constants for attributes
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STROKE_WIDTH = 'stroke-width',
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// time methods, changed based on whether or not UTC is used
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makeTime,
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timezoneOffset,
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getMinutes,
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getHours,
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getDay,
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getDate,
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getMonth,
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getFullYear,
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setMinutes,
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setHours,
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setDate,
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setMonth,
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setFullYear,
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// lookup over the types and the associated classes
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seriesTypes = {},
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Highcharts;
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// The Highcharts namespace
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if (win.Highcharts) {
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error(16, true);
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} else {
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Highcharts = win.Highcharts = {};
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}
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/**
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* Extend an object with the members of another
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* @param {Object} a The object to be extended
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* @param {Object} b The object to add to the first one
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*/
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function extend(a, b) {
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var n;
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if (!a) {
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a = {};
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}
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for (n in b) {
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a[n] = b[n];
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}
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return a;
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}
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/**
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* Deep merge two or more objects and return a third object. If the first argument is
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* true, the contents of the second object is copied into the first object.
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* Previously this function redirected to jQuery.extend(true), but this had two limitations.
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* First, it deep merged arrays, which lead to workarounds in Highcharts. Second,
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* it copied properties from extended prototypes.
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*/
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function merge() {
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var i,
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args = arguments,
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len,
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ret = {},
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doCopy = function (copy, original) {
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var value, key;
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// An object is replacing a primitive
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if (typeof copy !== 'object') {
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copy = {};
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}
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for (key in original) {
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if (original.hasOwnProperty(key)) {
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value = original[key];
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// Copy the contents of objects, but not arrays or DOM nodes
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if (value && typeof value === 'object' && Object.prototype.toString.call(value) !== '[object Array]'
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&& key !== 'renderTo' && typeof value.nodeType !== 'number') {
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copy[key] = doCopy(copy[key] || {}, value);
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// Primitives and arrays are copied over directly
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} else {
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copy[key] = original[key];
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}
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}
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}
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return copy;
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};
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// If first argument is true, copy into the existing object. Used in setOptions.
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if (args[0] === true) {
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ret = args[1];
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args = Array.prototype.slice.call(args, 2);
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}
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// For each argument, extend the return
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len = args.length;
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for (i = 0; i < len; i++) {
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ret = doCopy(ret, args[i]);
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}
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return ret;
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}
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/**
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* Shortcut for parseInt
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* @param {Object} s
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* @param {Number} mag Magnitude
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*/
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function pInt(s, mag) {
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return parseInt(s, mag || 10);
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}
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/**
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* Check for string
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* @param {Object} s
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*/
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function isString(s) {
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return typeof s === 'string';
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}
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/**
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* Check for object
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* @param {Object} obj
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*/
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function isObject(obj) {
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return obj && typeof obj === 'object';
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}
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/**
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* Check for array
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* @param {Object} obj
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*/
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function isArray(obj) {
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return Object.prototype.toString.call(obj) === '[object Array]';
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}
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/**
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* Check for number
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* @param {Object} n
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*/
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function isNumber(n) {
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return typeof n === 'number';
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}
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function log2lin(num) {
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return math.log(num) / math.LN10;
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}
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function lin2log(num) {
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return math.pow(10, num);
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}
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/**
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* Remove last occurence of an item from an array
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* @param {Array} arr
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* @param {Mixed} item
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*/
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function erase(arr, item) {
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var i = arr.length;
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while (i--) {
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if (arr[i] === item) {
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arr.splice(i, 1);
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break;
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}
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}
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//return arr;
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}
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/**
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* Returns true if the object is not null or undefined. Like MooTools' $.defined.
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* @param {Object} obj
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*/
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function defined(obj) {
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return obj !== UNDEFINED && obj !== null;
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}
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/**
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* Set or get an attribute or an object of attributes. Can't use jQuery attr because
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* it attempts to set expando properties on the SVG element, which is not allowed.
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*
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* @param {Object} elem The DOM element to receive the attribute(s)
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* @param {String|Object} prop The property or an abject of key-value pairs
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* @param {String} value The value if a single property is set
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*/
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function attr(elem, prop, value) {
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var key,
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ret;
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// if the prop is a string
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if (isString(prop)) {
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// set the value
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if (defined(value)) {
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elem.setAttribute(prop, value);
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// get the value
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} else if (elem && elem.getAttribute) { // elem not defined when printing pie demo...
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ret = elem.getAttribute(prop);
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}
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// else if prop is defined, it is a hash of key/value pairs
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} else if (defined(prop) && isObject(prop)) {
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for (key in prop) {
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elem.setAttribute(key, prop[key]);
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}
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}
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return ret;
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}
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/**
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* Check if an element is an array, and if not, make it into an array. Like
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* MooTools' $.splat.
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*/
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function splat(obj) {
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return isArray(obj) ? obj : [obj];
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}
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/**
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* Return the first value that is defined. Like MooTools' $.pick.
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*/
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function pick() {
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var args = arguments,
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i,
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arg,
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length = args.length;
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for (i = 0; i < length; i++) {
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arg = args[i];
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if (arg !== UNDEFINED && arg !== null) {
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return arg;
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}
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}
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}
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/**
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* Set CSS on a given element
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* @param {Object} el
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* @param {Object} styles Style object with camel case property names
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*/
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function css(el, styles) {
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if (isIE && !hasSVG) { // #2686
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if (styles && styles.opacity !== UNDEFINED) {
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styles.filter = 'alpha(opacity=' + (styles.opacity * 100) + ')';
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}
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}
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extend(el.style, styles);
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}
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/**
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* Utility function to create element with attributes and styles
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* @param {Object} tag
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* @param {Object} attribs
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* @param {Object} styles
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* @param {Object} parent
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* @param {Object} nopad
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*/
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function createElement(tag, attribs, styles, parent, nopad) {
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var el = doc.createElement(tag);
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if (attribs) {
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extend(el, attribs);
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}
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if (nopad) {
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css(el, {padding: 0, border: NONE, margin: 0});
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}
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if (styles) {
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css(el, styles);
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}
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if (parent) {
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parent.appendChild(el);
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}
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return el;
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}
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/**
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* Extend a prototyped class by new members
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* @param {Object} parent
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* @param {Object} members
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*/
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function extendClass(parent, members) {
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var object = function () { return UNDEFINED; };
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object.prototype = new parent();
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extend(object.prototype, members);
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return object;
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}
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/**
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* Format a number and return a string based on input settings
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* @param {Number} number The input number to format
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* @param {Number} decimals The amount of decimals
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* @param {String} decPoint The decimal point, defaults to the one given in the lang options
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* @param {String} thousandsSep The thousands separator, defaults to the one given in the lang options
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*/
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function numberFormat(number, decimals, decPoint, thousandsSep) {
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var lang = defaultOptions.lang,
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// http://kevin.vanzonneveld.net/techblog/article/javascript_equivalent_for_phps_number_format/
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n = +number || 0,
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c = decimals === -1 ?
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(n.toString().split('.')[1] || '').length : // preserve decimals
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(isNaN(decimals = mathAbs(decimals)) ? 2 : decimals),
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d = decPoint === undefined ? lang.decimalPoint : decPoint,
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t = thousandsSep === undefined ? lang.thousandsSep : thousandsSep,
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s = n < 0 ? "-" : "",
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i = String(pInt(n = mathAbs(n).toFixed(c))),
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j = i.length > 3 ? i.length % 3 : 0;
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return s + (j ? i.substr(0, j) + t : "") + i.substr(j).replace(/(\d{3})(?=\d)/g, "$1" + t) +
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(c ? d + mathAbs(n - i).toFixed(c).slice(2) : "");
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}
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|
/**
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* Pad a string to a given length by adding 0 to the beginning
|
* @param {Number} number
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* @param {Number} length
|
*/
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function pad(number, length) {
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// Create an array of the remaining length +1 and join it with 0's
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return new Array((length || 2) + 1 - String(number).length).join(0) + number;
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}
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/**
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* Wrap a method with extended functionality, preserving the original function
|
* @param {Object} obj The context object that the method belongs to
|
* @param {String} method The name of the method to extend
|
* @param {Function} func A wrapper function callback. This function is called with the same arguments
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* as the original function, except that the original function is unshifted and passed as the first
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* argument.
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*/
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function wrap(obj, method, func) {
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var proceed = obj[method];
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obj[method] = function () {
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var args = Array.prototype.slice.call(arguments);
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args.unshift(proceed);
|
return func.apply(this, args);
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};
|
}
|
|
/**
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* Based on http://www.php.net/manual/en/function.strftime.php
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* @param {String} format
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* @param {Number} timestamp
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* @param {Boolean} capitalize
|
*/
|
dateFormat = function (format, timestamp, capitalize) {
|
if (!defined(timestamp) || isNaN(timestamp)) {
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return 'Invalid date';
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}
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format = pick(format, '%Y-%m-%d %H:%M:%S');
|
|
var date = new Date(timestamp - timezoneOffset),
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key, // used in for constuct below
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// get the basic time values
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hours = date[getHours](),
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day = date[getDay](),
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dayOfMonth = date[getDate](),
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month = date[getMonth](),
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fullYear = date[getFullYear](),
|
lang = defaultOptions.lang,
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langWeekdays = lang.weekdays,
|
|
// List all format keys. Custom formats can be added from the outside.
|
replacements = extend({
|
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// Day
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'a': langWeekdays[day].substr(0, 3), // Short weekday, like 'Mon'
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'A': langWeekdays[day], // Long weekday, like 'Monday'
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'd': pad(dayOfMonth), // Two digit day of the month, 01 to 31
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'e': dayOfMonth, // Day of the month, 1 through 31
|
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// Week (none implemented)
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//'W': weekNumber(),
|
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// Month
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'b': lang.shortMonths[month], // Short month, like 'Jan'
|
'B': lang.months[month], // Long month, like 'January'
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'm': pad(month + 1), // Two digit month number, 01 through 12
|
|
// Year
|
'y': fullYear.toString().substr(2, 2), // Two digits year, like 09 for 2009
|
'Y': fullYear, // Four digits year, like 2009
|
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// Time
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'H': pad(hours), // Two digits hours in 24h format, 00 through 23
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'I': pad((hours % 12) || 12), // Two digits hours in 12h format, 00 through 11
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'l': (hours % 12) || 12, // Hours in 12h format, 1 through 12
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'M': pad(date[getMinutes]()), // Two digits minutes, 00 through 59
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'p': hours < 12 ? 'AM' : 'PM', // Upper case AM or PM
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'P': hours < 12 ? 'am' : 'pm', // Lower case AM or PM
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'S': pad(date.getSeconds()), // Two digits seconds, 00 through 59
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'L': pad(mathRound(timestamp % 1000), 3) // Milliseconds (naming from Ruby)
|
}, Highcharts.dateFormats);
|
|
|
// do the replaces
|
for (key in replacements) {
|
while (format.indexOf('%' + key) !== -1) { // regex would do it in one line, but this is faster
|
format = format.replace('%' + key, typeof replacements[key] === 'function' ? replacements[key](timestamp) : replacements[key]);
|
}
|
}
|
|
// Optionally capitalize the string and return
|
return capitalize ? format.substr(0, 1).toUpperCase() + format.substr(1) : format;
|
};
|
|
/**
|
* Format a single variable. Similar to sprintf, without the % prefix.
|
*/
|
function formatSingle(format, val) {
|
var floatRegex = /f$/,
|
decRegex = /\.([0-9])/,
|
lang = defaultOptions.lang,
|
decimals;
|
|
if (floatRegex.test(format)) { // float
|
decimals = format.match(decRegex);
|
decimals = decimals ? decimals[1] : -1;
|
if (val !== null) {
|
val = numberFormat(
|
val,
|
decimals,
|
lang.decimalPoint,
|
format.indexOf(',') > -1 ? lang.thousandsSep : ''
|
);
|
}
|
} else {
|
val = dateFormat(format, val);
|
}
|
return val;
|
}
|
|
/**
|
* Format a string according to a subset of the rules of Python's String.format method.
|
*/
|
function format(str, ctx) {
|
var splitter = '{',
|
isInside = false,
|
segment,
|
valueAndFormat,
|
path,
|
i,
|
len,
|
ret = [],
|
val,
|
index;
|
|
while ((index = str.indexOf(splitter)) !== -1) {
|
|
segment = str.slice(0, index);
|
if (isInside) { // we're on the closing bracket looking back
|
|
valueAndFormat = segment.split(':');
|
path = valueAndFormat.shift().split('.'); // get first and leave format
|
len = path.length;
|
val = ctx;
|
|
// Assign deeper paths
|
for (i = 0; i < len; i++) {
|
val = val[path[i]];
|
}
|
|
// Format the replacement
|
if (valueAndFormat.length) {
|
val = formatSingle(valueAndFormat.join(':'), val);
|
}
|
|
// Push the result and advance the cursor
|
ret.push(val);
|
|
} else {
|
ret.push(segment);
|
|
}
|
str = str.slice(index + 1); // the rest
|
isInside = !isInside; // toggle
|
splitter = isInside ? '}' : '{'; // now look for next matching bracket
|
}
|
ret.push(str);
|
return ret.join('');
|
}
|
|
/**
|
* Get the magnitude of a number
|
*/
|
function getMagnitude(num) {
|
return math.pow(10, mathFloor(math.log(num) / math.LN10));
|
}
|
|
/**
|
* Take an interval and normalize it to multiples of 1, 2, 2.5 and 5
|
* @param {Number} interval
|
* @param {Array} multiples
|
* @param {Number} magnitude
|
* @param {Object} options
|
*/
|
function normalizeTickInterval(interval, multiples, magnitude, options) {
|
var normalized, i;
|
|
// round to a tenfold of 1, 2, 2.5 or 5
|
magnitude = pick(magnitude, 1);
|
normalized = interval / magnitude;
|
|
// multiples for a linear scale
|
if (!multiples) {
|
multiples = [1, 2, 2.5, 5, 10];
|
|
// the allowDecimals option
|
if (options && options.allowDecimals === false) {
|
if (magnitude === 1) {
|
multiples = [1, 2, 5, 10];
|
} else if (magnitude <= 0.1) {
|
multiples = [1 / magnitude];
|
}
|
}
|
}
|
|
// normalize the interval to the nearest multiple
|
for (i = 0; i < multiples.length; i++) {
|
interval = multiples[i];
|
if (normalized <= (multiples[i] + (multiples[i + 1] || multiples[i])) / 2) {
|
break;
|
}
|
}
|
|
// multiply back to the correct magnitude
|
interval *= magnitude;
|
|
return interval;
|
}
|
|
|
/**
|
* Utility method that sorts an object array and keeping the order of equal items.
|
* ECMA script standard does not specify the behaviour when items are equal.
|
*/
|
function stableSort(arr, sortFunction) {
|
var length = arr.length,
|
sortValue,
|
i;
|
|
// Add index to each item
|
for (i = 0; i < length; i++) {
|
arr[i].ss_i = i; // stable sort index
|
}
|
|
arr.sort(function (a, b) {
|
sortValue = sortFunction(a, b);
|
return sortValue === 0 ? a.ss_i - b.ss_i : sortValue;
|
});
|
|
// Remove index from items
|
for (i = 0; i < length; i++) {
|
delete arr[i].ss_i; // stable sort index
|
}
|
}
|
|
/**
|
* Non-recursive method to find the lowest member of an array. Math.min raises a maximum
|
* call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
|
* method is slightly slower, but safe.
|
*/
|
function arrayMin(data) {
|
var i = data.length,
|
min = data[0];
|
|
while (i--) {
|
if (data[i] < min) {
|
min = data[i];
|
}
|
}
|
return min;
|
}
|
|
/**
|
* Non-recursive method to find the lowest member of an array. Math.min raises a maximum
|
* call stack size exceeded error in Chrome when trying to apply more than 150.000 points. This
|
* method is slightly slower, but safe.
|
*/
|
function arrayMax(data) {
|
var i = data.length,
|
max = data[0];
|
|
while (i--) {
|
if (data[i] > max) {
|
max = data[i];
|
}
|
}
|
return max;
|
}
|
|
/**
|
* Utility method that destroys any SVGElement or VMLElement that are properties on the given object.
|
* It loops all properties and invokes destroy if there is a destroy method. The property is
|
* then delete'ed.
|
* @param {Object} The object to destroy properties on
|
* @param {Object} Exception, do not destroy this property, only delete it.
|
*/
|
function destroyObjectProperties(obj, except) {
|
var n;
|
for (n in obj) {
|
// If the object is non-null and destroy is defined
|
if (obj[n] && obj[n] !== except && obj[n].destroy) {
|
// Invoke the destroy
|
obj[n].destroy();
|
}
|
|
// Delete the property from the object.
|
delete obj[n];
|
}
|
}
|
|
|
/**
|
* Discard an element by moving it to the bin and delete
|
* @param {Object} The HTML node to discard
|
*/
|
function discardElement(element) {
|
// create a garbage bin element, not part of the DOM
|
if (!garbageBin) {
|
garbageBin = createElement(DIV);
|
}
|
|
// move the node and empty bin
|
if (element) {
|
garbageBin.appendChild(element);
|
}
|
garbageBin.innerHTML = '';
|
}
|
|
/**
|
* Provide error messages for debugging, with links to online explanation
|
*/
|
error = function (code, stop) {
|
var msg = 'Highcharts error #' + code + ': www.highcharts.com/errors/' + code;
|
if (stop) {
|
throw msg;
|
}
|
// else ...
|
if (win.console) {
|
console.log(msg);
|
}
|
};
|
|
/**
|
* Fix JS round off float errors
|
* @param {Number} num
|
*/
|
function correctFloat(num) {
|
return parseFloat(
|
num.toPrecision(14)
|
);
|
}
|
|
/**
|
* Set the global animation to either a given value, or fall back to the
|
* given chart's animation option
|
* @param {Object} animation
|
* @param {Object} chart
|
*/
|
function setAnimation(animation, chart) {
|
globalAnimation = pick(animation, chart.animation);
|
}
|
|
/**
|
* The time unit lookup
|
*/
|
timeUnits = {
|
millisecond: 1,
|
second: 1000,
|
minute: 60000,
|
hour: 3600000,
|
day: 24 * 3600000,
|
week: 7 * 24 * 3600000,
|
month: 31 * 24 * 3600000,
|
year: 31556952000
|
};
|
/**
|
* Path interpolation algorithm used across adapters
|
*/
|
pathAnim = {
|
/**
|
* Prepare start and end values so that the path can be animated one to one
|
*/
|
init: function (elem, fromD, toD) {
|
fromD = fromD || '';
|
var shift = elem.shift,
|
bezier = fromD.indexOf('C') > -1,
|
numParams = bezier ? 7 : 3,
|
endLength,
|
slice,
|
i,
|
start = fromD.split(' '),
|
end = [].concat(toD), // copy
|
startBaseLine,
|
endBaseLine,
|
sixify = function (arr) { // in splines make move points have six parameters like bezier curves
|
i = arr.length;
|
while (i--) {
|
if (arr[i] === M) {
|
arr.splice(i + 1, 0, arr[i + 1], arr[i + 2], arr[i + 1], arr[i + 2]);
|
}
|
}
|
};
|
|
if (bezier) {
|
sixify(start);
|
sixify(end);
|
}
|
|
// pull out the base lines before padding
|
if (elem.isArea) {
|
startBaseLine = start.splice(start.length - 6, 6);
|
endBaseLine = end.splice(end.length - 6, 6);
|
}
|
|
// if shifting points, prepend a dummy point to the end path
|
if (shift <= end.length / numParams && start.length === end.length) {
|
while (shift--) {
|
end = [].concat(end).splice(0, numParams).concat(end);
|
}
|
}
|
elem.shift = 0; // reset for following animations
|
|
// copy and append last point until the length matches the end length
|
if (start.length) {
|
endLength = end.length;
|
while (start.length < endLength) {
|
|
//bezier && sixify(start);
|
slice = [].concat(start).splice(start.length - numParams, numParams);
|
if (bezier) { // disable first control point
|
slice[numParams - 6] = slice[numParams - 2];
|
slice[numParams - 5] = slice[numParams - 1];
|
}
|
start = start.concat(slice);
|
}
|
}
|
|
if (startBaseLine) { // append the base lines for areas
|
start = start.concat(startBaseLine);
|
end = end.concat(endBaseLine);
|
}
|
return [start, end];
|
},
|
|
/**
|
* Interpolate each value of the path and return the array
|
*/
|
step: function (start, end, pos, complete) {
|
var ret = [],
|
i = start.length,
|
startVal;
|
|
if (pos === 1) { // land on the final path without adjustment points appended in the ends
|
ret = complete;
|
|
} else if (i === end.length && pos < 1) {
|
while (i--) {
|
startVal = parseFloat(start[i]);
|
ret[i] =
|
isNaN(startVal) ? // a letter instruction like M or L
|
start[i] :
|
pos * (parseFloat(end[i] - startVal)) + startVal;
|
|
}
|
} else { // if animation is finished or length not matching, land on right value
|
ret = end;
|
}
|
return ret;
|
}
|
};
|
|
(function ($) {
|
/**
|
* The default HighchartsAdapter for jQuery
|
*/
|
win.HighchartsAdapter = win.HighchartsAdapter || ($ && {
|
|
/**
|
* Initialize the adapter by applying some extensions to jQuery
|
*/
|
init: function (pathAnim) {
|
|
// extend the animate function to allow SVG animations
|
var Fx = $.fx,
|
Step = Fx.step,
|
dSetter,
|
Tween = $.Tween,
|
propHooks = Tween && Tween.propHooks,
|
opacityHook = $.cssHooks.opacity;
|
|
/*jslint unparam: true*//* allow unused param x in this function */
|
$.extend($.easing, {
|
easeOutQuad: function (x, t, b, c, d) {
|
return -c * (t /= d) * (t - 2) + b;
|
}
|
});
|
/*jslint unparam: false*/
|
|
// extend some methods to check for elem.attr, which means it is a Highcharts SVG object
|
$.each(['cur', '_default', 'width', 'height', 'opacity'], function (i, fn) {
|
var obj = Step,
|
base;
|
|
// Handle different parent objects
|
if (fn === 'cur') {
|
obj = Fx.prototype; // 'cur', the getter, relates to Fx.prototype
|
|
} else if (fn === '_default' && Tween) { // jQuery 1.8 model
|
obj = propHooks[fn];
|
fn = 'set';
|
}
|
|
// Overwrite the method
|
base = obj[fn];
|
if (base) { // step.width and step.height don't exist in jQuery < 1.7
|
|
// create the extended function replacement
|
obj[fn] = function (fx) {
|
|
var elem;
|
|
// Fx.prototype.cur does not use fx argument
|
fx = i ? fx : this;
|
|
// Don't run animations on textual properties like align (#1821)
|
if (fx.prop === 'align') {
|
return;
|
}
|
|
// shortcut
|
elem = fx.elem;
|
|
// Fx.prototype.cur returns the current value. The other ones are setters
|
// and returning a value has no effect.
|
return elem.attr ? // is SVG element wrapper
|
elem.attr(fx.prop, fn === 'cur' ? UNDEFINED : fx.now) : // apply the SVG wrapper's method
|
base.apply(this, arguments); // use jQuery's built-in method
|
};
|
}
|
});
|
|
// Extend the opacity getter, needed for fading opacity with IE9 and jQuery 1.10+
|
wrap(opacityHook, 'get', function (proceed, elem, computed) {
|
return elem.attr ? (elem.opacity || 0) : proceed.call(this, elem, computed);
|
});
|
|
|
// Define the setter function for d (path definitions)
|
dSetter = function (fx) {
|
var elem = fx.elem,
|
ends;
|
|
// Normally start and end should be set in state == 0, but sometimes,
|
// for reasons unknown, this doesn't happen. Perhaps state == 0 is skipped
|
// in these cases
|
if (!fx.started) {
|
ends = pathAnim.init(elem, elem.d, elem.toD);
|
fx.start = ends[0];
|
fx.end = ends[1];
|
fx.started = true;
|
}
|
|
|
// interpolate each value of the path
|
elem.attr('d', pathAnim.step(fx.start, fx.end, fx.pos, elem.toD));
|
};
|
|
// jQuery 1.8 style
|
if (Tween) {
|
propHooks.d = {
|
set: dSetter
|
};
|
// pre 1.8
|
} else {
|
// animate paths
|
Step.d = dSetter;
|
}
|
|
/**
|
* Utility for iterating over an array. Parameters are reversed compared to jQuery.
|
* @param {Array} arr
|
* @param {Function} fn
|
*/
|
this.each = Array.prototype.forEach ?
|
function (arr, fn) { // modern browsers
|
return Array.prototype.forEach.call(arr, fn);
|
|
} :
|
function (arr, fn) { // legacy
|
var i,
|
len = arr.length;
|
for (i = 0; i < len; i++) {
|
if (fn.call(arr[i], arr[i], i, arr) === false) {
|
return i;
|
}
|
}
|
};
|
|
/**
|
* Register Highcharts as a plugin in the respective framework
|
*/
|
$.fn.highcharts = function () {
|
var constr = 'Chart', // default constructor
|
args = arguments,
|
options,
|
ret,
|
chart;
|
|
if (this[0]) {
|
|
if (isString(args[0])) {
|
constr = args[0];
|
args = Array.prototype.slice.call(args, 1);
|
}
|
options = args[0];
|
|
// Create the chart
|
if (options !== UNDEFINED) {
|
/*jslint unused:false*/
|
options.chart = options.chart || {};
|
options.chart.renderTo = this[0];
|
chart = new Highcharts[constr](options, args[1]);
|
ret = this;
|
/*jslint unused:true*/
|
}
|
|
// When called without parameters or with the return argument, get a predefined chart
|
if (options === UNDEFINED) {
|
ret = charts[attr(this[0], 'data-highcharts-chart')];
|
}
|
}
|
|
return ret;
|
};
|
|
},
|
|
|
/**
|
* Downloads a script and executes a callback when done.
|
* @param {String} scriptLocation
|
* @param {Function} callback
|
*/
|
getScript: $.getScript,
|
|
/**
|
* Return the index of an item in an array, or -1 if not found
|
*/
|
inArray: $.inArray,
|
|
/**
|
* A direct link to jQuery methods. MooTools and Prototype adapters must be implemented for each case of method.
|
* @param {Object} elem The HTML element
|
* @param {String} method Which method to run on the wrapped element
|
*/
|
adapterRun: function (elem, method) {
|
return $(elem)[method]();
|
},
|
|
/**
|
* Filter an array
|
*/
|
grep: $.grep,
|
|
/**
|
* Map an array
|
* @param {Array} arr
|
* @param {Function} fn
|
*/
|
map: function (arr, fn) {
|
//return jQuery.map(arr, fn);
|
var results = [],
|
i = 0,
|
len = arr.length;
|
for (; i < len; i++) {
|
results[i] = fn.call(arr[i], arr[i], i, arr);
|
}
|
return results;
|
|
},
|
|
/**
|
* Get the position of an element relative to the top left of the page
|
*/
|
offset: function (el) {
|
return $(el).offset();
|
},
|
|
/**
|
* Add an event listener
|
* @param {Object} el A HTML element or custom object
|
* @param {String} event The event type
|
* @param {Function} fn The event handler
|
*/
|
addEvent: function (el, event, fn) {
|
$(el).bind(event, fn);
|
},
|
|
/**
|
* Remove event added with addEvent
|
* @param {Object} el The object
|
* @param {String} eventType The event type. Leave blank to remove all events.
|
* @param {Function} handler The function to remove
|
*/
|
removeEvent: function (el, eventType, handler) {
|
// workaround for jQuery issue with unbinding custom events:
|
// http://forum.jQuery.com/topic/javascript-error-when-unbinding-a-custom-event-using-jQuery-1-4-2
|
var func = doc.removeEventListener ? 'removeEventListener' : 'detachEvent';
|
if (doc[func] && el && !el[func]) {
|
el[func] = function () {};
|
}
|
|
$(el).unbind(eventType, handler);
|
},
|
|
/**
|
* Fire an event on a custom object
|
* @param {Object} el
|
* @param {String} type
|
* @param {Object} eventArguments
|
* @param {Function} defaultFunction
|
*/
|
fireEvent: function (el, type, eventArguments, defaultFunction) {
|
var event = $.Event(type),
|
detachedType = 'detached' + type,
|
defaultPrevented;
|
|
// Remove warnings in Chrome when accessing returnValue (#2790), layerX and layerY. Although Highcharts
|
// never uses these properties, Chrome includes them in the default click event and
|
// raises the warning when they are copied over in the extend statement below.
|
//
|
// To avoid problems in IE (see #1010) where we cannot delete the properties and avoid
|
// testing if they are there (warning in chrome) the only option is to test if running IE.
|
if (!isIE && eventArguments) {
|
delete eventArguments.layerX;
|
delete eventArguments.layerY;
|
delete eventArguments.returnValue;
|
}
|
|
extend(event, eventArguments);
|
|
// Prevent jQuery from triggering the object method that is named the
|
// same as the event. For example, if the event is 'select', jQuery
|
// attempts calling el.select and it goes into a loop.
|
if (el[type]) {
|
el[detachedType] = el[type];
|
el[type] = null;
|
}
|
|
// Wrap preventDefault and stopPropagation in try/catch blocks in
|
// order to prevent JS errors when cancelling events on non-DOM
|
// objects. #615.
|
/*jslint unparam: true*/
|
$.each(['preventDefault', 'stopPropagation'], function (i, fn) {
|
var base = event[fn];
|
event[fn] = function () {
|
try {
|
base.call(event);
|
} catch (e) {
|
if (fn === 'preventDefault') {
|
defaultPrevented = true;
|
}
|
}
|
};
|
});
|
/*jslint unparam: false*/
|
|
// trigger it
|
$(el).trigger(event);
|
|
// attach the method
|
if (el[detachedType]) {
|
el[type] = el[detachedType];
|
el[detachedType] = null;
|
}
|
|
if (defaultFunction && !event.isDefaultPrevented() && !defaultPrevented) {
|
defaultFunction(event);
|
}
|
},
|
|
/**
|
* Extension method needed for MooTools
|
*/
|
washMouseEvent: function (e) {
|
var ret = e.originalEvent || e;
|
|
// computed by jQuery, needed by IE8
|
if (ret.pageX === UNDEFINED) { // #1236
|
ret.pageX = e.pageX;
|
ret.pageY = e.pageY;
|
}
|
|
return ret;
|
},
|
|
/**
|
* Animate a HTML element or SVG element wrapper
|
* @param {Object} el
|
* @param {Object} params
|
* @param {Object} options jQuery-like animation options: duration, easing, callback
|
*/
|
animate: function (el, params, options) {
|
var $el = $(el);
|
if (!el.style) {
|
el.style = {}; // #1881
|
}
|
if (params.d) {
|
el.toD = params.d; // keep the array form for paths, used in $.fx.step.d
|
params.d = 1; // because in jQuery, animating to an array has a different meaning
|
}
|
|
$el.stop();
|
if (params.opacity !== UNDEFINED && el.attr) {
|
params.opacity += 'px'; // force jQuery to use same logic as width and height (#2161)
|
}
|
$el.animate(params, options);
|
|
},
|
/**
|
* Stop running animation
|
*/
|
stop: function (el) {
|
$(el).stop();
|
}
|
});
|
}(win.jQuery));
|
|
|
// check for a custom HighchartsAdapter defined prior to this file
|
var globalAdapter = win.HighchartsAdapter,
|
adapter = globalAdapter || {};
|
|
// Initialize the adapter
|
if (globalAdapter) {
|
globalAdapter.init.call(globalAdapter, pathAnim);
|
}
|
|
|
// Utility functions. If the HighchartsAdapter is not defined, adapter is an empty object
|
// and all the utility functions will be null. In that case they are populated by the
|
// default adapters below.
|
var adapterRun = adapter.adapterRun,
|
getScript = adapter.getScript,
|
inArray = adapter.inArray,
|
each = adapter.each,
|
grep = adapter.grep,
|
offset = adapter.offset,
|
map = adapter.map,
|
addEvent = adapter.addEvent,
|
removeEvent = adapter.removeEvent,
|
fireEvent = adapter.fireEvent,
|
washMouseEvent = adapter.washMouseEvent,
|
animate = adapter.animate,
|
stop = adapter.stop;
|
|
|
|
/* ****************************************************************************
|
* Handle the options *
|
*****************************************************************************/
|
var
|
|
defaultLabelOptions = {
|
enabled: true,
|
// rotation: 0,
|
// align: 'center',
|
x: 0,
|
y: 15,
|
/*formatter: function () {
|
return this.value;
|
},*/
|
style: {
|
color: '#606060',
|
cursor: 'default',
|
fontSize: '11px'
|
}
|
};
|
|
defaultOptions = {
|
colors: ['#7cb5ec', '#434348', '#90ed7d', '#f7a35c',
|
'#8085e9', '#f15c80', '#e4d354', '#8085e8', '#8d4653', '#91e8e1'],
|
symbols: ['circle', 'diamond', 'square', 'triangle', 'triangle-down'],
|
lang: {
|
loading: 'Loading...',
|
months: ['January', 'February', 'March', 'April', 'May', 'June', 'July',
|
'August', 'September', 'October', 'November', 'December'],
|
shortMonths: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
|
weekdays: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
|
decimalPoint: '.',
|
numericSymbols: ['k', 'M', 'G', 'T', 'P', 'E'], // SI prefixes used in axis labels
|
resetZoom: 'Reset zoom',
|
resetZoomTitle: 'Reset zoom level 1:1',
|
thousandsSep: ','
|
},
|
global: {
|
useUTC: true,
|
//timezoneOffset: 0,
|
canvasToolsURL: 'http://code.highcharts.com/4.0.3/modules/canvas-tools.js',
|
VMLRadialGradientURL: 'http://code.highcharts.com/4.0.3/gfx/vml-radial-gradient.png'
|
},
|
chart: {
|
//animation: true,
|
//alignTicks: false,
|
//reflow: true,
|
//className: null,
|
//events: { load, selection },
|
//margin: [null],
|
//marginTop: null,
|
//marginRight: null,
|
//marginBottom: null,
|
//marginLeft: null,
|
borderColor: '#4572A7',
|
//borderWidth: 0,
|
borderRadius: 0,
|
defaultSeriesType: 'line',
|
ignoreHiddenSeries: true,
|
//inverted: false,
|
//shadow: false,
|
spacing: [10, 10, 15, 10],
|
//spacingTop: 10,
|
//spacingRight: 10,
|
//spacingBottom: 15,
|
//spacingLeft: 10,
|
//style: {
|
// fontFamily: '"Lucida Grande", "Lucida Sans Unicode", Verdana, Arial, Helvetica, sans-serif', // default font
|
// fontSize: '12px'
|
//},
|
backgroundColor: '#FFFFFF',
|
//plotBackgroundColor: null,
|
plotBorderColor: '#C0C0C0',
|
//plotBorderWidth: 0,
|
//plotShadow: false,
|
//zoomType: ''
|
resetZoomButton: {
|
theme: {
|
zIndex: 20
|
},
|
position: {
|
align: 'right',
|
x: -10,
|
//verticalAlign: 'top',
|
y: 10
|
}
|
// relativeTo: 'plot'
|
}
|
},
|
title: {
|
text: 'Chart title',
|
align: 'center',
|
// floating: false,
|
margin: 15,
|
// x: 0,
|
// verticalAlign: 'top',
|
// y: null,
|
style: {
|
color: '#333333',
|
fontSize: '18px'
|
}
|
|
},
|
subtitle: {
|
text: '',
|
align: 'center',
|
// floating: false
|
// x: 0,
|
// verticalAlign: 'top',
|
// y: null,
|
style: {
|
color: '#555555'
|
}
|
},
|
|
plotOptions: {
|
line: { // base series options
|
allowPointSelect: false,
|
showCheckbox: false,
|
animation: {
|
duration: 1000
|
},
|
//connectNulls: false,
|
//cursor: 'default',
|
//clip: true,
|
//dashStyle: null,
|
//enableMouseTracking: true,
|
events: {},
|
//legendIndex: 0,
|
//linecap: 'round',
|
lineWidth: 2,
|
//shadow: false,
|
// stacking: null,
|
marker: {
|
//enabled: true,
|
//symbol: null,
|
lineWidth: 0,
|
radius: 4,
|
lineColor: '#FFFFFF',
|
//fillColor: null,
|
states: { // states for a single point
|
hover: {
|
enabled: true,
|
lineWidthPlus: 1,
|
radiusPlus: 2
|
},
|
select: {
|
fillColor: '#FFFFFF',
|
lineColor: '#000000',
|
lineWidth: 2
|
}
|
}
|
},
|
point: {
|
events: {}
|
},
|
dataLabels: merge(defaultLabelOptions, {
|
align: 'center',
|
//defer: true,
|
enabled: false,
|
formatter: function () {
|
return this.y === null ? '' : numberFormat(this.y, -1);
|
},
|
verticalAlign: 'bottom', // above singular point
|
y: 0
|
// backgroundColor: undefined,
|
// borderColor: undefined,
|
// borderRadius: undefined,
|
// borderWidth: undefined,
|
// padding: 3,
|
// shadow: false
|
}),
|
cropThreshold: 300, // draw points outside the plot area when the number of points is less than this
|
pointRange: 0,
|
//pointStart: 0,
|
//pointInterval: 1,
|
//showInLegend: null, // auto: true for standalone series, false for linked series
|
states: { // states for the entire series
|
hover: {
|
//enabled: false,
|
lineWidthPlus: 1,
|
marker: {
|
// lineWidth: base + 1,
|
// radius: base + 1
|
},
|
halo: {
|
size: 10,
|
opacity: 0.25
|
}
|
},
|
select: {
|
marker: {}
|
}
|
},
|
stickyTracking: true,
|
//tooltip: {
|
//pointFormat: '<span style="color:{series.color}">\u25CF</span> {series.name}: <b>{point.y}</b>'
|
//valueDecimals: null,
|
//xDateFormat: '%A, %b %e, %Y',
|
//valuePrefix: '',
|
//ySuffix: ''
|
//}
|
turboThreshold: 1000
|
// zIndex: null
|
}
|
},
|
labels: {
|
//items: [],
|
style: {
|
//font: defaultFont,
|
position: ABSOLUTE,
|
color: '#3E576F'
|
}
|
},
|
legend: {
|
enabled: true,
|
align: 'center',
|
//floating: false,
|
layout: 'horizontal',
|
labelFormatter: function () {
|
return this.name;
|
},
|
//borderWidth: 0,
|
borderColor: '#909090',
|
borderRadius: 0,
|
navigation: {
|
// animation: true,
|
activeColor: '#274b6d',
|
// arrowSize: 12
|
inactiveColor: '#CCC'
|
// style: {} // text styles
|
},
|
// margin: 20,
|
// reversed: false,
|
shadow: false,
|
// backgroundColor: null,
|
/*style: {
|
padding: '5px'
|
},*/
|
itemStyle: {
|
color: '#333333',
|
fontSize: '12px',
|
fontWeight: 'bold'
|
},
|
itemHoverStyle: {
|
//cursor: 'pointer', removed as of #601
|
color: '#000'
|
},
|
itemHiddenStyle: {
|
color: '#CCC'
|
},
|
itemCheckboxStyle: {
|
position: ABSOLUTE,
|
width: '13px', // for IE precision
|
height: '13px'
|
},
|
// itemWidth: undefined,
|
// symbolRadius: 0,
|
// symbolWidth: 16,
|
symbolPadding: 5,
|
verticalAlign: 'bottom',
|
// width: undefined,
|
x: 0,
|
y: 0,
|
title: {
|
//text: null,
|
style: {
|
fontWeight: 'bold'
|
}
|
}
|
},
|
|
loading: {
|
// hideDuration: 100,
|
labelStyle: {
|
fontWeight: 'bold',
|
position: RELATIVE,
|
top: '45%'
|
},
|
// showDuration: 0,
|
style: {
|
position: ABSOLUTE,
|
backgroundColor: 'white',
|
opacity: 0.5,
|
textAlign: 'center'
|
}
|
},
|
|
tooltip: {
|
enabled: true,
|
animation: hasSVG,
|
//crosshairs: null,
|
backgroundColor: 'rgba(249, 249, 249, .85)',
|
borderWidth: 1,
|
borderRadius: 3,
|
dateTimeLabelFormats: {
|
millisecond: '%A, %b %e, %H:%M:%S.%L',
|
second: '%A, %b %e, %H:%M:%S',
|
minute: '%A, %b %e, %H:%M',
|
hour: '%A, %b %e, %H:%M',
|
day: '%A, %b %e, %Y',
|
week: 'Week from %A, %b %e, %Y',
|
month: '%B %Y',
|
year: '%Y'
|
},
|
//formatter: defaultFormatter,
|
headerFormat: '<span style="font-size: 10px">{point.key}</span><br/>',
|
pointFormat: '<span style="color:{series.color}">\u25CF</span> {series.name}: <b>{point.y}</b><br/>',
|
shadow: true,
|
//shape: 'callout',
|
//shared: false,
|
snap: isTouchDevice ? 25 : 10,
|
style: {
|
color: '#333333',
|
cursor: 'default',
|
fontSize: '12px',
|
padding: '8px',
|
whiteSpace: 'nowrap'
|
}
|
//xDateFormat: '%A, %b %e, %Y',
|
//valueDecimals: null,
|
//valuePrefix: '',
|
//valueSuffix: ''
|
},
|
|
credits: {
|
enabled: true,
|
text: 'Highcharts.com',
|
href: 'http://www.highcharts.com',
|
position: {
|
align: 'right',
|
x: -10,
|
verticalAlign: 'bottom',
|
y: -5
|
},
|
style: {
|
cursor: 'pointer',
|
color: '#909090',
|
fontSize: '9px'
|
}
|
}
|
};
|
|
|
|
|
// Series defaults
|
var defaultPlotOptions = defaultOptions.plotOptions,
|
defaultSeriesOptions = defaultPlotOptions.line;
|
|
// set the default time methods
|
setTimeMethods();
|
|
|
|
/**
|
* Set the time methods globally based on the useUTC option. Time method can be either
|
* local time or UTC (default).
|
*/
|
function setTimeMethods() {
|
var useUTC = defaultOptions.global.useUTC,
|
GET = useUTC ? 'getUTC' : 'get',
|
SET = useUTC ? 'setUTC' : 'set';
|
|
|
timezoneOffset = ((useUTC && defaultOptions.global.timezoneOffset) || 0) * 60000;
|
makeTime = useUTC ? Date.UTC : function (year, month, date, hours, minutes, seconds) {
|
return new Date(
|
year,
|
month,
|
pick(date, 1),
|
pick(hours, 0),
|
pick(minutes, 0),
|
pick(seconds, 0)
|
).getTime();
|
};
|
getMinutes = GET + 'Minutes';
|
getHours = GET + 'Hours';
|
getDay = GET + 'Day';
|
getDate = GET + 'Date';
|
getMonth = GET + 'Month';
|
getFullYear = GET + 'FullYear';
|
setMinutes = SET + 'Minutes';
|
setHours = SET + 'Hours';
|
setDate = SET + 'Date';
|
setMonth = SET + 'Month';
|
setFullYear = SET + 'FullYear';
|
|
}
|
|
/**
|
* Merge the default options with custom options and return the new options structure
|
* @param {Object} options The new custom options
|
*/
|
function setOptions(options) {
|
|
// Copy in the default options
|
defaultOptions = merge(true, defaultOptions, options);
|
|
// Apply UTC
|
setTimeMethods();
|
|
return defaultOptions;
|
}
|
|
/**
|
* Get the updated default options. Until 3.0.7, merely exposing defaultOptions for outside modules
|
* wasn't enough because the setOptions method created a new object.
|
*/
|
function getOptions() {
|
return defaultOptions;
|
}
|
|
|
/**
|
* Handle color operations. The object methods are chainable.
|
* @param {String} input The input color in either rbga or hex format
|
*/
|
var rgbaRegEx = /rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]?(?:\.[0-9]+)?)\s*\)/,
|
hexRegEx = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/,
|
rgbRegEx = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/;
|
|
var Color = function (input) {
|
// declare variables
|
var rgba = [], result, stops;
|
|
/**
|
* Parse the input color to rgba array
|
* @param {String} input
|
*/
|
function init(input) {
|
|
// Gradients
|
if (input && input.stops) {
|
stops = map(input.stops, function (stop) {
|
return Color(stop[1]);
|
});
|
|
// Solid colors
|
} else {
|
// rgba
|
result = rgbaRegEx.exec(input);
|
if (result) {
|
rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), parseFloat(result[4], 10)];
|
} else {
|
// hex
|
result = hexRegEx.exec(input);
|
if (result) {
|
rgba = [pInt(result[1], 16), pInt(result[2], 16), pInt(result[3], 16), 1];
|
} else {
|
// rgb
|
result = rgbRegEx.exec(input);
|
if (result) {
|
rgba = [pInt(result[1]), pInt(result[2]), pInt(result[3]), 1];
|
}
|
}
|
}
|
}
|
|
}
|
/**
|
* Return the color a specified format
|
* @param {String} format
|
*/
|
function get(format) {
|
var ret;
|
|
if (stops) {
|
ret = merge(input);
|
ret.stops = [].concat(ret.stops);
|
each(stops, function (stop, i) {
|
ret.stops[i] = [ret.stops[i][0], stop.get(format)];
|
});
|
|
// it's NaN if gradient colors on a column chart
|
} else if (rgba && !isNaN(rgba[0])) {
|
if (format === 'rgb') {
|
ret = 'rgb(' + rgba[0] + ',' + rgba[1] + ',' + rgba[2] + ')';
|
} else if (format === 'a') {
|
ret = rgba[3];
|
} else {
|
ret = 'rgba(' + rgba.join(',') + ')';
|
}
|
} else {
|
ret = input;
|
}
|
return ret;
|
}
|
|
/**
|
* Brighten the color
|
* @param {Number} alpha
|
*/
|
function brighten(alpha) {
|
if (stops) {
|
each(stops, function (stop) {
|
stop.brighten(alpha);
|
});
|
|
} else if (isNumber(alpha) && alpha !== 0) {
|
var i;
|
for (i = 0; i < 3; i++) {
|
rgba[i] += pInt(alpha * 255);
|
|
if (rgba[i] < 0) {
|
rgba[i] = 0;
|
}
|
if (rgba[i] > 255) {
|
rgba[i] = 255;
|
}
|
}
|
}
|
return this;
|
}
|
/**
|
* Set the color's opacity to a given alpha value
|
* @param {Number} alpha
|
*/
|
function setOpacity(alpha) {
|
rgba[3] = alpha;
|
return this;
|
}
|
|
// initialize: parse the input
|
init(input);
|
|
// public methods
|
return {
|
get: get,
|
brighten: brighten,
|
rgba: rgba,
|
setOpacity: setOpacity
|
};
|
};
|
|
|
/**
|
* A wrapper object for SVG elements
|
*/
|
function SVGElement() {}
|
|
SVGElement.prototype = {
|
|
// Default base for animation
|
opacity: 1,
|
// For labels, these CSS properties are applied to the <text> node directly
|
textProps: ['fontSize', 'fontWeight', 'fontFamily', 'color',
|
'lineHeight', 'width', 'textDecoration', 'textShadow', 'HcTextStroke'],
|
|
/**
|
* Initialize the SVG renderer
|
* @param {Object} renderer
|
* @param {String} nodeName
|
*/
|
init: function (renderer, nodeName) {
|
var wrapper = this;
|
wrapper.element = nodeName === 'span' ?
|
createElement(nodeName) :
|
doc.createElementNS(SVG_NS, nodeName);
|
wrapper.renderer = renderer;
|
},
|
|
/**
|
* Animate a given attribute
|
* @param {Object} params
|
* @param {Number} options The same options as in jQuery animation
|
* @param {Function} complete Function to perform at the end of animation
|
*/
|
animate: function (params, options, complete) {
|
var animOptions = pick(options, globalAnimation, true);
|
stop(this); // stop regardless of animation actually running, or reverting to .attr (#607)
|
if (animOptions) {
|
animOptions = merge(animOptions, {}); //#2625
|
if (complete) { // allows using a callback with the global animation without overwriting it
|
animOptions.complete = complete;
|
}
|
animate(this, params, animOptions);
|
} else {
|
this.attr(params);
|
if (complete) {
|
complete();
|
}
|
}
|
return this;
|
},
|
|
/**
|
* Build an SVG gradient out of a common JavaScript configuration object
|
*/
|
colorGradient: function (color, prop, elem) {
|
var renderer = this.renderer,
|
colorObject,
|
gradName,
|
gradAttr,
|
gradients,
|
gradientObject,
|
stops,
|
stopColor,
|
stopOpacity,
|
radialReference,
|
n,
|
id,
|
key = [];
|
|
// Apply linear or radial gradients
|
if (color.linearGradient) {
|
gradName = 'linearGradient';
|
} else if (color.radialGradient) {
|
gradName = 'radialGradient';
|
}
|
|
if (gradName) {
|
gradAttr = color[gradName];
|
gradients = renderer.gradients;
|
stops = color.stops;
|
radialReference = elem.radialReference;
|
|
// Keep < 2.2 kompatibility
|
if (isArray(gradAttr)) {
|
color[gradName] = gradAttr = {
|
x1: gradAttr[0],
|
y1: gradAttr[1],
|
x2: gradAttr[2],
|
y2: gradAttr[3],
|
gradientUnits: 'userSpaceOnUse'
|
};
|
}
|
|
// Correct the radial gradient for the radial reference system
|
if (gradName === 'radialGradient' && radialReference && !defined(gradAttr.gradientUnits)) {
|
gradAttr = merge(gradAttr, {
|
cx: (radialReference[0] - radialReference[2] / 2) + gradAttr.cx * radialReference[2],
|
cy: (radialReference[1] - radialReference[2] / 2) + gradAttr.cy * radialReference[2],
|
r: gradAttr.r * radialReference[2],
|
gradientUnits: 'userSpaceOnUse'
|
});
|
}
|
|
// Build the unique key to detect whether we need to create a new element (#1282)
|
for (n in gradAttr) {
|
if (n !== 'id') {
|
key.push(n, gradAttr[n]);
|
}
|
}
|
for (n in stops) {
|
key.push(stops[n]);
|
}
|
key = key.join(',');
|
|
// Check if a gradient object with the same config object is created within this renderer
|
if (gradients[key]) {
|
id = gradients[key].attr('id');
|
|
} else {
|
|
// Set the id and create the element
|
gradAttr.id = id = PREFIX + idCounter++;
|
gradients[key] = gradientObject = renderer.createElement(gradName)
|
.attr(gradAttr)
|
.add(renderer.defs);
|
|
|
// The gradient needs to keep a list of stops to be able to destroy them
|
gradientObject.stops = [];
|
each(stops, function (stop) {
|
var stopObject;
|
if (stop[1].indexOf('rgba') === 0) {
|
colorObject = Color(stop[1]);
|
stopColor = colorObject.get('rgb');
|
stopOpacity = colorObject.get('a');
|
} else {
|
stopColor = stop[1];
|
stopOpacity = 1;
|
}
|
stopObject = renderer.createElement('stop').attr({
|
offset: stop[0],
|
'stop-color': stopColor,
|
'stop-opacity': stopOpacity
|
}).add(gradientObject);
|
|
// Add the stop element to the gradient
|
gradientObject.stops.push(stopObject);
|
});
|
}
|
|
// Set the reference to the gradient object
|
elem.setAttribute(prop, 'url(' + renderer.url + '#' + id + ')');
|
}
|
},
|
|
/**
|
* Set or get a given attribute
|
* @param {Object|String} hash
|
* @param {Mixed|Undefined} val
|
*/
|
attr: function (hash, val) {
|
var key,
|
value,
|
element = this.element,
|
hasSetSymbolSize,
|
ret = this,
|
skipAttr;
|
|
// single key-value pair
|
if (typeof hash === 'string' && val !== UNDEFINED) {
|
key = hash;
|
hash = {};
|
hash[key] = val;
|
}
|
|
// used as a getter: first argument is a string, second is undefined
|
if (typeof hash === 'string') {
|
ret = (this[hash + 'Getter'] || this._defaultGetter).call(this, hash, element);
|
|
// setter
|
} else {
|
|
for (key in hash) {
|
value = hash[key];
|
skipAttr = false;
|
|
|
|
if (this.symbolName && /^(x|y|width|height|r|start|end|innerR|anchorX|anchorY)/.test(key)) {
|
if (!hasSetSymbolSize) {
|
this.symbolAttr(hash);
|
hasSetSymbolSize = true;
|
}
|
skipAttr = true;
|
}
|
|
if (this.rotation && (key === 'x' || key === 'y')) {
|
this.doTransform = true;
|
}
|
|
if (!skipAttr) {
|
(this[key + 'Setter'] || this._defaultSetter).call(this, value, key, element);
|
}
|
|
// Let the shadow follow the main element
|
if (this.shadows && /^(width|height|visibility|x|y|d|transform|cx|cy|r)$/.test(key)) {
|
this.updateShadows(key, value);
|
}
|
}
|
|
// Update transform. Do this outside the loop to prevent redundant updating for batch setting
|
// of attributes.
|
if (this.doTransform) {
|
this.updateTransform();
|
this.doTransform = false;
|
}
|
|
}
|
|
return ret;
|
},
|
|
updateShadows: function (key, value) {
|
var shadows = this.shadows,
|
i = shadows.length;
|
while (i--) {
|
shadows[i].setAttribute(
|
key,
|
key === 'height' ?
|
mathMax(value - (shadows[i].cutHeight || 0), 0) :
|
key === 'd' ? this.d : value
|
);
|
}
|
},
|
|
/**
|
* Add a class name to an element
|
*/
|
addClass: function (className) {
|
var element = this.element,
|
currentClassName = attr(element, 'class') || '';
|
|
if (currentClassName.indexOf(className) === -1) {
|
attr(element, 'class', currentClassName + ' ' + className);
|
}
|
return this;
|
},
|
/* hasClass and removeClass are not (yet) needed
|
hasClass: function (className) {
|
return attr(this.element, 'class').indexOf(className) !== -1;
|
},
|
removeClass: function (className) {
|
attr(this.element, 'class', attr(this.element, 'class').replace(className, ''));
|
return this;
|
},
|
*/
|
|
/**
|
* If one of the symbol size affecting parameters are changed,
|
* check all the others only once for each call to an element's
|
* .attr() method
|
* @param {Object} hash
|
*/
|
symbolAttr: function (hash) {
|
var wrapper = this;
|
|
each(['x', 'y', 'r', 'start', 'end', 'width', 'height', 'innerR', 'anchorX', 'anchorY'], function (key) {
|
wrapper[key] = pick(hash[key], wrapper[key]);
|
});
|
|
wrapper.attr({
|
d: wrapper.renderer.symbols[wrapper.symbolName](
|
wrapper.x,
|
wrapper.y,
|
wrapper.width,
|
wrapper.height,
|
wrapper
|
)
|
});
|
},
|
|
/**
|
* Apply a clipping path to this object
|
* @param {String} id
|
*/
|
clip: function (clipRect) {
|
return this.attr('clip-path', clipRect ? 'url(' + this.renderer.url + '#' + clipRect.id + ')' : NONE);
|
},
|
|
/**
|
* Calculate the coordinates needed for drawing a rectangle crisply and return the
|
* calculated attributes
|
* @param {Number} strokeWidth
|
* @param {Number} x
|
* @param {Number} y
|
* @param {Number} width
|
* @param {Number} height
|
*/
|
crisp: function (rect) {
|
|
var wrapper = this,
|
key,
|
attribs = {},
|
normalizer,
|
strokeWidth = rect.strokeWidth || wrapper.strokeWidth || 0;
|
|
normalizer = mathRound(strokeWidth) % 2 / 2; // mathRound because strokeWidth can sometimes have roundoff errors
|
|
// normalize for crisp edges
|
rect.x = mathFloor(rect.x || wrapper.x || 0) + normalizer;
|
rect.y = mathFloor(rect.y || wrapper.y || 0) + normalizer;
|
rect.width = mathFloor((rect.width || wrapper.width || 0) - 2 * normalizer);
|
rect.height = mathFloor((rect.height || wrapper.height || 0) - 2 * normalizer);
|
rect.strokeWidth = strokeWidth;
|
|
for (key in rect) {
|
if (wrapper[key] !== rect[key]) { // only set attribute if changed
|
wrapper[key] = attribs[key] = rect[key];
|
}
|
}
|
|
return attribs;
|
},
|
|
/**
|
* Set styles for the element
|
* @param {Object} styles
|
*/
|
css: function (styles) {
|
var elemWrapper = this,
|
oldStyles = elemWrapper.styles,
|
newStyles = {},
|
elem = elemWrapper.element,
|
textWidth,
|
n,
|
serializedCss = '',
|
hyphenate,
|
hasNew = !oldStyles;
|
|
// convert legacy
|
if (styles && styles.color) {
|
styles.fill = styles.color;
|
}
|
|
// Filter out existing styles to increase performance (#2640)
|
if (oldStyles) {
|
for (n in styles) {
|
if (styles[n] !== oldStyles[n]) {
|
newStyles[n] = styles[n];
|
hasNew = true;
|
}
|
}
|
}
|
if (hasNew) {
|
textWidth = elemWrapper.textWidth = styles && styles.width && elem.nodeName.toLowerCase() === 'text' && pInt(styles.width);
|
|
// Merge the new styles with the old ones
|
if (oldStyles) {
|
styles = extend(
|
oldStyles,
|
newStyles
|
);
|
}
|
|
// store object
|
elemWrapper.styles = styles;
|
|
if (textWidth && (useCanVG || (!hasSVG && elemWrapper.renderer.forExport))) {
|
delete styles.width;
|
}
|
|
// serialize and set style attribute
|
if (isIE && !hasSVG) {
|
css(elemWrapper.element, styles);
|
} else {
|
/*jslint unparam: true*/
|
hyphenate = function (a, b) { return '-' + b.toLowerCase(); };
|
/*jslint unparam: false*/
|
for (n in styles) {
|
serializedCss += n.replace(/([A-Z])/g, hyphenate) + ':' + styles[n] + ';';
|
}
|
attr(elem, 'style', serializedCss); // #1881
|
}
|
|
|
// re-build text
|
if (textWidth && elemWrapper.added) {
|
elemWrapper.renderer.buildText(elemWrapper);
|
}
|
}
|
|
return elemWrapper;
|
},
|
|
/**
|
* Add an event listener
|
* @param {String} eventType
|
* @param {Function} handler
|
*/
|
on: function (eventType, handler) {
|
var svgElement = this,
|
element = svgElement.element;
|
|
// touch
|
if (hasTouch && eventType === 'click') {
|
element.ontouchstart = function (e) {
|
svgElement.touchEventFired = Date.now();
|
e.preventDefault();
|
handler.call(element, e);
|
};
|
element.onclick = function (e) {
|
if (userAgent.indexOf('Android') === -1 || Date.now() - (svgElement.touchEventFired || 0) > 1100) { // #2269
|
handler.call(element, e);
|
}
|
};
|
} else {
|
// simplest possible event model for internal use
|
element['on' + eventType] = handler;
|
}
|
return this;
|
},
|
|
/**
|
* Set the coordinates needed to draw a consistent radial gradient across
|
* pie slices regardless of positioning inside the chart. The format is
|
* [centerX, centerY, diameter] in pixels.
|
*/
|
setRadialReference: function (coordinates) {
|
this.element.radialReference = coordinates;
|
return this;
|
},
|
|
/**
|
* Move an object and its children by x and y values
|
* @param {Number} x
|
* @param {Number} y
|
*/
|
translate: function (x, y) {
|
return this.attr({
|
translateX: x,
|
translateY: y
|
});
|
},
|
|
/**
|
* Invert a group, rotate and flip
|
*/
|
invert: function () {
|
var wrapper = this;
|
wrapper.inverted = true;
|
wrapper.updateTransform();
|
return wrapper;
|
},
|
|
/**
|
* Private method to update the transform attribute based on internal
|
* properties
|
*/
|
updateTransform: function () {
|
var wrapper = this,
|
translateX = wrapper.translateX || 0,
|
translateY = wrapper.translateY || 0,
|
scaleX = wrapper.scaleX,
|
scaleY = wrapper.scaleY,
|
inverted = wrapper.inverted,
|
rotation = wrapper.rotation,
|
element = wrapper.element,
|
transform;
|
|
// flipping affects translate as adjustment for flipping around the group's axis
|
if (inverted) {
|
translateX += wrapper.attr('width');
|
translateY += wrapper.attr('height');
|
}
|
|
// Apply translate. Nearly all transformed elements have translation, so instead
|
// of checking for translate = 0, do it always (#1767, #1846).
|
transform = ['translate(' + translateX + ',' + translateY + ')'];
|
|
// apply rotation
|
if (inverted) {
|
transform.push('rotate(90) scale(-1,1)');
|
} else if (rotation) { // text rotation
|
transform.push('rotate(' + rotation + ' ' + (element.getAttribute('x') || 0) + ' ' + (element.getAttribute('y') || 0) + ')');
|
}
|
|
// apply scale
|
if (defined(scaleX) || defined(scaleY)) {
|
transform.push('scale(' + pick(scaleX, 1) + ' ' + pick(scaleY, 1) + ')');
|
}
|
|
if (transform.length) {
|
element.setAttribute('transform', transform.join(' '));
|
}
|
},
|
/**
|
* Bring the element to the front
|
*/
|
toFront: function () {
|
var element = this.element;
|
element.parentNode.appendChild(element);
|
return this;
|
},
|
|
|
/**
|
* Break down alignment options like align, verticalAlign, x and y
|
* to x and y relative to the chart.
|
*
|
* @param {Object} alignOptions
|
* @param {Boolean} alignByTranslate
|
* @param {String[Object} box The box to align to, needs a width and height. When the
|
* box is a string, it refers to an object in the Renderer. For example, when
|
* box is 'spacingBox', it refers to Renderer.spacingBox which holds width, height
|
* x and y properties.
|
*
|
*/
|
align: function (alignOptions, alignByTranslate, box) {
|
var align,
|
vAlign,
|
x,
|
y,
|
attribs = {},
|
alignTo,
|
renderer = this.renderer,
|
alignedObjects = renderer.alignedObjects;
|
|
// First call on instanciate
|
if (alignOptions) {
|
this.alignOptions = alignOptions;
|
this.alignByTranslate = alignByTranslate;
|
if (!box || isString(box)) { // boxes other than renderer handle this internally
|
this.alignTo = alignTo = box || 'renderer';
|
erase(alignedObjects, this); // prevent duplicates, like legendGroup after resize
|
alignedObjects.push(this);
|
box = null; // reassign it below
|
}
|
|
// When called on resize, no arguments are supplied
|
} else {
|
alignOptions = this.alignOptions;
|
alignByTranslate = this.alignByTranslate;
|
alignTo = this.alignTo;
|
}
|
|
box = pick(box, renderer[alignTo], renderer);
|
|
// Assign variables
|
align = alignOptions.align;
|
vAlign = alignOptions.verticalAlign;
|
x = (box.x || 0) + (alignOptions.x || 0); // default: left align
|
y = (box.y || 0) + (alignOptions.y || 0); // default: top align
|
|
// Align
|
if (align === 'right' || align === 'center') {
|
x += (box.width - (alignOptions.width || 0)) /
|
{ right: 1, center: 2 }[align];
|
}
|
attribs[alignByTranslate ? 'translateX' : 'x'] = mathRound(x);
|
|
|
// Vertical align
|
if (vAlign === 'bottom' || vAlign === 'middle') {
|
y += (box.height - (alignOptions.height || 0)) /
|
({ bottom: 1, middle: 2 }[vAlign] || 1);
|
|
}
|
attribs[alignByTranslate ? 'translateY' : 'y'] = mathRound(y);
|
|
// Animate only if already placed
|
this[this.placed ? 'animate' : 'attr'](attribs);
|
this.placed = true;
|
this.alignAttr = attribs;
|
|
return this;
|
},
|
|
/**
|
* Get the bounding box (width, height, x and y) for the element
|
*/
|
getBBox: function () {
|
var wrapper = this,
|
bBox = wrapper.bBox,
|
renderer = wrapper.renderer,
|
width,
|
height,
|
rotation = wrapper.rotation,
|
element = wrapper.element,
|
styles = wrapper.styles,
|
rad = rotation * deg2rad,
|
textStr = wrapper.textStr,
|
cacheKey;
|
|
// Since numbers are monospaced, and numerical labels appear a lot in a chart,
|
// we assume that a label of n characters has the same bounding box as others
|
// of the same length.
|
if (textStr === '' || numRegex.test(textStr)) {
|
cacheKey = 'num.' + textStr.toString().length + (styles ? ('|' + styles.fontSize + '|' + styles.fontFamily) : '');
|
|
} //else { // This code block made demo/waterfall fail, related to buildText
|
// Caching all strings reduces rendering time by 4-5%.
|
// : Check how this affects places where bBox is found on the element
|
//cacheKey = textStr + (styles ? ('|' + styles.fontSize + '|' + styles.fontFamily) : '');
|
//}
|
if (cacheKey) {
|
bBox = renderer.cache[cacheKey];
|
}
|
|
// No cache found
|
if (!bBox) {
|
|
// SVG elements
|
if (element.namespaceURI === SVG_NS || renderer.forExport) {
|
try { // Fails in Firefox if the container has display: none.
|
|
bBox = element.getBBox ?
|
// SVG: use extend because IE9 is not allowed to change width and height in case
|
// of rotation (below)
|
extend({}, element.getBBox()) :
|
// Canvas renderer and legacy IE in export mode
|
{
|
width: element.offsetWidth,
|
height: element.offsetHeight
|
};
|
} catch (e) {}
|
|
// If the bBox is not set, the try-catch block above failed. The other condition
|
// is for Opera that returns a width of -Infinity on hidden elements.
|
if (!bBox || bBox.width < 0) {
|
bBox = { width: 0, height: 0 };
|
}
|
|
|
// VML Renderer or useHTML within SVG
|
} else {
|
|
bBox = wrapper.htmlGetBBox();
|
|
}
|
|
// True SVG elements as well as HTML elements in modern browsers using the .useHTML option
|
// need to compensated for rotation
|
if (renderer.isSVG) {
|
width = bBox.width;
|
height = bBox.height;
|
|
// Workaround for wrong bounding box in IE9 and IE10 (#1101, #1505, #1669, #2568)
|
if (isIE && styles && styles.fontSize === '11px' && height.toPrecision(3) === '16.9') {
|
bBox.height = height = 14;
|
}
|
|
// Adjust for rotated text
|
if (rotation) {
|
bBox.width = mathAbs(height * mathSin(rad)) + mathAbs(width * mathCos(rad));
|
bBox.height = mathAbs(height * mathCos(rad)) + mathAbs(width * mathSin(rad));
|
}
|
}
|
|
// Cache it
|
wrapper.bBox = bBox;
|
if (cacheKey) {
|
renderer.cache[cacheKey] = bBox;
|
}
|
}
|
return bBox;
|
},
|
|
/**
|
* Show the element
|
*/
|
show: function (inherit) {
|
// IE9-11 doesn't handle visibilty:inherit well, so we remove the attribute instead (#2881)
|
if (inherit && this.element.namespaceURI === SVG_NS) {
|
this.element.removeAttribute('visibility');
|
return this;
|
} else {
|
return this.attr({ visibility: inherit ? 'inherit' : VISIBLE });
|
}
|
},
|
|
/**
|
* Hide the element
|
*/
|
hide: function () {
|
return this.attr({ visibility: HIDDEN });
|
},
|
|
fadeOut: function (duration) {
|
var elemWrapper = this;
|
elemWrapper.animate({
|
opacity: 0
|
}, {
|
duration: duration || 150,
|
complete: function () {
|
elemWrapper.hide();
|
}
|
});
|
},
|
|
/**
|
* Add the element
|
* @param {Object|Undefined} parent Can be an element, an element wrapper or undefined
|
* to append the element to the renderer.box.
|
*/
|
add: function (parent) {
|
|
var renderer = this.renderer,
|
parentWrapper = parent || renderer,
|
parentNode = parentWrapper.element || renderer.box,
|
childNodes,
|
element = this.element,
|
zIndex = this.zIndex,
|
otherElement,
|
otherZIndex,
|
i,
|
inserted;
|
|
if (parent) {
|
this.parentGroup = parent;
|
}
|
|
// mark as inverted
|
this.parentInverted = parent && parent.inverted;
|
|
// build formatted text
|
if (this.textStr !== undefined) {
|
renderer.buildText(this);
|
}
|
|
// mark the container as having z indexed children
|
if (zIndex) {
|
parentWrapper.handleZ = true;
|
zIndex = pInt(zIndex);
|
}
|
|
// insert according to this and other elements' zIndex
|
if (parentWrapper.handleZ) { // this element or any of its siblings has a z index
|
childNodes = parentNode.childNodes;
|
for (i = 0; i < childNodes.length; i++) {
|
otherElement = childNodes[i];
|
otherZIndex = attr(otherElement, 'zIndex');
|
if (otherElement !== element && (
|
// insert before the first element with a higher zIndex
|
pInt(otherZIndex) > zIndex ||
|
// if no zIndex given, insert before the first element with a zIndex
|
(!defined(zIndex) && defined(otherZIndex))
|
|
)) {
|
parentNode.insertBefore(element, otherElement);
|
inserted = true;
|
break;
|
}
|
}
|
}
|
|
// default: append at the end
|
if (!inserted) {
|
parentNode.appendChild(element);
|
}
|
|
// mark as added
|
this.added = true;
|
|
// fire an event for internal hooks
|
if (this.onAdd) {
|
this.onAdd();
|
}
|
|
return this;
|
},
|
|
/**
|
* Removes a child either by removeChild or move to garbageBin.
|
* Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
|
*/
|
safeRemoveChild: function (element) {
|
var parentNode = element.parentNode;
|
if (parentNode) {
|
parentNode.removeChild(element);
|
}
|
},
|
|
/**
|
* Destroy the element and element wrapper
|
*/
|
destroy: function () {
|
var wrapper = this,
|
element = wrapper.element || {},
|
shadows = wrapper.shadows,
|
parentToClean = wrapper.renderer.isSVG && element.nodeName === 'SPAN' && wrapper.parentGroup,
|
grandParent,
|
key,
|
i;
|
|
// remove events
|
element.onclick = element.onmouseout = element.onmouseover = element.onmousemove = element.point = null;
|
stop(wrapper); // stop running animations
|
|
if (wrapper.clipPath) {
|
wrapper.clipPath = wrapper.clipPath.destroy();
|
}
|
|
// Destroy stops in case this is a gradient object
|
if (wrapper.stops) {
|
for (i = 0; i < wrapper.stops.length; i++) {
|
wrapper.stops[i] = wrapper.stops[i].destroy();
|
}
|
wrapper.stops = null;
|
}
|
|
// remove element
|
wrapper.safeRemoveChild(element);
|
|
// destroy shadows
|
if (shadows) {
|
each(shadows, function (shadow) {
|
wrapper.safeRemoveChild(shadow);
|
});
|
}
|
|
// In case of useHTML, clean up empty containers emulating SVG groups (#1960, #2393, #2697).
|
while (parentToClean && parentToClean.div && parentToClean.div.childNodes.length === 0) {
|
grandParent = parentToClean.parentGroup;
|
wrapper.safeRemoveChild(parentToClean.div);
|
delete parentToClean.div;
|
parentToClean = grandParent;
|
}
|
|
// remove from alignObjects
|
if (wrapper.alignTo) {
|
erase(wrapper.renderer.alignedObjects, wrapper);
|
}
|
|
for (key in wrapper) {
|
delete wrapper[key];
|
}
|
|
return null;
|
},
|
|
/**
|
* Add a shadow to the element. Must be done after the element is added to the DOM
|
* @param {Boolean|Object} shadowOptions
|
*/
|
shadow: function (shadowOptions, group, cutOff) {
|
var shadows = [],
|
i,
|
shadow,
|
element = this.element,
|
strokeWidth,
|
shadowWidth,
|
shadowElementOpacity,
|
|
// compensate for inverted plot area
|
transform;
|
|
|
if (shadowOptions) {
|
shadowWidth = pick(shadowOptions.width, 3);
|
shadowElementOpacity = (shadowOptions.opacity || 0.15) / shadowWidth;
|
transform = this.parentInverted ?
|
'(-1,-1)' :
|
'(' + pick(shadowOptions.offsetX, 1) + ', ' + pick(shadowOptions.offsetY, 1) + ')';
|
for (i = 1; i <= shadowWidth; i++) {
|
shadow = element.cloneNode(0);
|
strokeWidth = (shadowWidth * 2) + 1 - (2 * i);
|
attr(shadow, {
|
'isShadow': 'true',
|
'stroke': shadowOptions.color || 'black',
|
'stroke-opacity': shadowElementOpacity * i,
|
'stroke-width': strokeWidth,
|
'transform': 'translate' + transform,
|
'fill': NONE
|
});
|
if (cutOff) {
|
attr(shadow, 'height', mathMax(attr(shadow, 'height') - strokeWidth, 0));
|
shadow.cutHeight = strokeWidth;
|
}
|
|
if (group) {
|
group.element.appendChild(shadow);
|
} else {
|
element.parentNode.insertBefore(shadow, element);
|
}
|
|
shadows.push(shadow);
|
}
|
|
this.shadows = shadows;
|
}
|
return this;
|
|
},
|
|
xGetter: function (key) {
|
if (this.element.nodeName === 'circle') {
|
key = { x: 'cx', y: 'cy' }[key] || key;
|
}
|
return this._defaultGetter(key);
|
},
|
|
/**
|
* Get the current value of an attribute or pseudo attribute, used mainly
|
* for animation.
|
*/
|
_defaultGetter: function (key) {
|
var ret = pick(this[key], this.element ? this.element.getAttribute(key) : null, 0);
|
|
if (/^[\-0-9\.]+$/.test(ret)) { // is numerical
|
ret = parseFloat(ret);
|
}
|
return ret;
|
},
|
|
|
dSetter: function (value, key, element) {
|
if (value && value.join) { // join path
|
value = value.join(' ');
|
}
|
if (/(NaN| {2}|^$)/.test(value)) {
|
value = 'M 0 0';
|
}
|
element.setAttribute(key, value);
|
|
this[key] = value;
|
},
|
dashstyleSetter: function (value) {
|
var i;
|
value = value && value.toLowerCase();
|
if (value) {
|
value = value
|
.replace('shortdashdotdot', '3,1,1,1,1,1,')
|
.replace('shortdashdot', '3,1,1,1')
|
.replace('shortdot', '1,1,')
|
.replace('shortdash', '3,1,')
|
.replace('longdash', '8,3,')
|
.replace(/dot/g, '1,3,')
|
.replace('dash', '4,3,')
|
.replace(/,$/, '')
|
.replace('solid', 1)
|
.split(','); // ending comma
|
|
i = value.length;
|
while (i--) {
|
value[i] = pInt(value[i]) * this['stroke-width'];
|
}
|
value = value.join(',');
|
this.element.setAttribute('stroke-dasharray', value);
|
}
|
},
|
alignSetter: function (value) {
|
this.element.setAttribute('text-anchor', { left: 'start', center: 'middle', right: 'end' }[value]);
|
},
|
opacitySetter: function (value, key, element) {
|
this[key] = value;
|
element.setAttribute(key, value);
|
},
|
titleSetter: function (value) {
|
var titleNode = this.element.getElementsByTagName('title')[0];
|
if (!titleNode) {
|
titleNode = doc.createElementNS(SVG_NS, 'title');
|
this.element.appendChild(titleNode);
|
}
|
titleNode.textContent = value;
|
},
|
textSetter: function (value) {
|
if (value !== this.textStr) {
|
// Delete bBox memo when the text changes
|
delete this.bBox;
|
|
this.textStr = value;
|
if (this.added) {
|
this.renderer.buildText(this);
|
}
|
}
|
},
|
fillSetter: function (value, key, element) {
|
if (typeof value === 'string') {
|
element.setAttribute(key, value);
|
} else if (value) {
|
this.colorGradient(value, key, element);
|
}
|
},
|
zIndexSetter: function (value, key, element) {
|
element.setAttribute(key, value);
|
this[key] = value;
|
},
|
_defaultSetter: function (value, key, element) {
|
element.setAttribute(key, value);
|
}
|
};
|
|
// Some shared setters and getters
|
SVGElement.prototype.yGetter = SVGElement.prototype.xGetter;
|
SVGElement.prototype.translateXSetter = SVGElement.prototype.translateYSetter =
|
SVGElement.prototype.rotationSetter = SVGElement.prototype.verticalAlignSetter =
|
SVGElement.prototype.scaleXSetter = SVGElement.prototype.scaleYSetter = function (value, key) {
|
this[key] = value;
|
this.doTransform = true;
|
};
|
|
// WebKit and Batik have problems with a stroke-width of zero, so in this case we remove the
|
// stroke attribute altogether. #1270, #1369, #3065, #3072.
|
SVGElement.prototype['stroke-widthSetter'] = SVGElement.prototype.strokeSetter = function (value, key, element) {
|
this[key] = value;
|
// Only apply the stroke attribute if the stroke width is defined and larger than 0
|
if (this.stroke && this['stroke-width']) {
|
this.strokeWidth = this['stroke-width'];
|
SVGElement.prototype.fillSetter.call(this, this.stroke, 'stroke', element); // use prototype as instance may be overridden
|
element.setAttribute('stroke-width', this['stroke-width']);
|
this.hasStroke = true;
|
} else if (key === 'stroke-width' && value === 0 && this.hasStroke) {
|
element.removeAttribute('stroke');
|
this.hasStroke = false;
|
}
|
};
|
|
|
/**
|
* The default SVG renderer
|
*/
|
var SVGRenderer = function () {
|
this.init.apply(this, arguments);
|
};
|
SVGRenderer.prototype = {
|
Element: SVGElement,
|
|
/**
|
* Initialize the SVGRenderer
|
* @param {Object} container
|
* @param {Number} width
|
* @param {Number} height
|
* @param {Boolean} forExport
|
*/
|
init: function (container, width, height, style, forExport) {
|
var renderer = this,
|
loc = location,
|
boxWrapper,
|
element,
|
desc;
|
|
boxWrapper = renderer.createElement('svg')
|
.attr({
|
version: '1.1'
|
})
|
.css(this.getStyle(style));
|
element = boxWrapper.element;
|
container.appendChild(element);
|
|
// For browsers other than IE, add the namespace attribute (#1978)
|
if (container.innerHTML.indexOf('xmlns') === -1) {
|
attr(element, 'xmlns', SVG_NS);
|
}
|
|
// object properties
|
renderer.isSVG = true;
|
renderer.box = element;
|
renderer.boxWrapper = boxWrapper;
|
renderer.alignedObjects = [];
|
|
// Page url used for internal references. #24, #672, #1070
|
renderer.url = (isFirefox || isWebKit) && doc.getElementsByTagName('base').length ?
|
loc.href
|
.replace(/#.*?$/, '') // remove the hash
|
.replace(/([\('\)])/g, '\\$1') // escape parantheses and quotes
|
.replace(/ /g, '%20') : // replace spaces (needed for Safari only)
|
'';
|
|
// Add description
|
desc = this.createElement('desc').add();
|
desc.element.appendChild(doc.createTextNode('Created with ' + PRODUCT + ' ' + VERSION));
|
|
|
renderer.defs = this.createElement('defs').add();
|
renderer.forExport = forExport;
|
renderer.gradients = {}; // Object where gradient SvgElements are stored
|
renderer.cache = {}; // Cache for numerical bounding boxes
|
|
renderer.setSize(width, height, false);
|
|
|
|
// Issue 110 workaround:
|
// In Firefox, if a div is positioned by percentage, its pixel position may land
|
// between pixels. The container itself doesn't display this, but an SVG element
|
// inside this container will be drawn at subpixel precision. In order to draw
|
// sharp lines, this must be compensated for. This doesn't seem to work inside
|
// iframes though (like in jsFiddle).
|
var subPixelFix, rect;
|
if (isFirefox && container.getBoundingClientRect) {
|
renderer.subPixelFix = subPixelFix = function () {
|
css(container, { left: 0, top: 0 });
|
rect = container.getBoundingClientRect();
|
css(container, {
|
left: (mathCeil(rect.left) - rect.left) + PX,
|
top: (mathCeil(rect.top) - rect.top) + PX
|
});
|
};
|
|
// run the fix now
|
subPixelFix();
|
|
// run it on resize
|
addEvent(win, 'resize', subPixelFix);
|
}
|
},
|
|
getStyle: function (style) {
|
return (this.style = extend({
|
fontFamily: '"Lucida Grande", "Lucida Sans Unicode", Arial, Helvetica, sans-serif', // default font
|
fontSize: '12px'
|
}, style));
|
},
|
|
/**
|
* Detect whether the renderer is hidden. This happens when one of the parent elements
|
* has display: none. #608.
|
*/
|
isHidden: function () {
|
return !this.boxWrapper.getBBox().width;
|
},
|
|
/**
|
* Destroys the renderer and its allocated members.
|
*/
|
destroy: function () {
|
var renderer = this,
|
rendererDefs = renderer.defs;
|
renderer.box = null;
|
renderer.boxWrapper = renderer.boxWrapper.destroy();
|
|
// Call destroy on all gradient elements
|
destroyObjectProperties(renderer.gradients || {});
|
renderer.gradients = null;
|
|
// Defs are null in VMLRenderer
|
// Otherwise, destroy them here.
|
if (rendererDefs) {
|
renderer.defs = rendererDefs.destroy();
|
}
|
|
// Remove sub pixel fix handler
|
// We need to check that there is a handler, otherwise all functions that are registered for event 'resize' are removed
|
// See issue #982
|
if (renderer.subPixelFix) {
|
removeEvent(win, 'resize', renderer.subPixelFix);
|
}
|
|
renderer.alignedObjects = null;
|
|
return null;
|
},
|
|
/**
|
* Create a wrapper for an SVG element
|
* @param {Object} nodeName
|
*/
|
createElement: function (nodeName) {
|
var wrapper = new this.Element();
|
wrapper.init(this, nodeName);
|
return wrapper;
|
},
|
|
/**
|
* Dummy function for use in canvas renderer
|
*/
|
draw: function () {},
|
|
/**
|
* Parse a simple HTML string into SVG tspans
|
*
|
* @param {Object} textNode The parent text SVG node
|
*/
|
buildText: function (wrapper) {
|
var textNode = wrapper.element,
|
renderer = this,
|
forExport = renderer.forExport,
|
textStr = pick(wrapper.textStr, '').toString(),
|
hasMarkup = textStr.indexOf('<') !== -1,
|
lines,
|
childNodes = textNode.childNodes,
|
styleRegex,
|
hrefRegex,
|
parentX = attr(textNode, 'x'),
|
textStyles = wrapper.styles,
|
width = wrapper.textWidth,
|
textLineHeight = textStyles && textStyles.lineHeight,
|
textStroke = textStyles && textStyles.HcTextStroke,
|
i = childNodes.length,
|
getLineHeight = function (tspan) {
|
return textLineHeight ?
|
pInt(textLineHeight) :
|
renderer.fontMetrics(
|
/(px|em)$/.test(tspan && tspan.style.fontSize) ?
|
tspan.style.fontSize :
|
((textStyles && textStyles.fontSize) || renderer.style.fontSize || 12),
|
tspan
|
).h;
|
};
|
|
/// remove old text
|
while (i--) {
|
textNode.removeChild(childNodes[i]);
|
}
|
|
// Skip tspans, add text directly to text node. The forceTSpan is a hook
|
// used in text outline hack.
|
if (!hasMarkup && !textStroke && textStr.indexOf(' ') === -1) {
|
textNode.appendChild(doc.createTextNode(textStr));
|
return;
|
|
// Complex strings, add more logic
|
} else {
|
|
styleRegex = /<.*style="([^"]+)".*>/;
|
hrefRegex = /<.*href="(http[^"]+)".*>/;
|
|
if (width && !wrapper.added) {
|
this.box.appendChild(textNode); // attach it to the DOM to read offset width
|
}
|
|
if (hasMarkup) {
|
lines = textStr
|
.replace(/<(b|strong)>/g, '<span style="font-weight:bold">')
|
.replace(/<(i|em)>/g, '<span style="font-style:italic">')
|
.replace(/<a/g, '<span')
|
.replace(/<\/(b|strong|i|em|a)>/g, '</span>')
|
.split(/<br.*?>/g);
|
|
} else {
|
lines = [textStr];
|
}
|
|
|
// remove empty line at end
|
if (lines[lines.length - 1] === '') {
|
lines.pop();
|
}
|
|
|
// build the lines
|
each(lines, function (line, lineNo) {
|
var spans, spanNo = 0;
|
|
line = line.replace(/<span/g, '|||<span').replace(/<\/span>/g, '</span>|||');
|
spans = line.split('|||');
|
|
each(spans, function (span) {
|
if (span !== '' || spans.length === 1) {
|
var attributes = {},
|
tspan = doc.createElementNS(SVG_NS, 'tspan'),
|
spanStyle; // #390
|
if (styleRegex.test(span)) {
|
spanStyle = span.match(styleRegex)[1].replace(/(;| |^)color([ :])/, '$1fill$2');
|
attr(tspan, 'style', spanStyle);
|
}
|
if (hrefRegex.test(span) && !forExport) { // Not for export - #1529
|
attr(tspan, 'onclick', 'location.href=\"' + span.match(hrefRegex)[1] + '\"');
|
css(tspan, { cursor: 'pointer' });
|
}
|
|
span = (span.replace(/<(.|\n)*?>/g, '') || ' ')
|
.replace(/</g, '<')
|
.replace(/>/g, '>');
|
|
// Nested tags aren't supported, and cause crash in Safari (#1596)
|
if (span !== ' ') {
|
|
// add the text node
|
tspan.appendChild(doc.createTextNode(span));
|
|
if (!spanNo) { // first span in a line, align it to the left
|
if (lineNo && parentX !== null) {
|
attributes.x = parentX;
|
}
|
} else {
|
attributes.dx = 0; // #16
|
}
|
|
// add attributes
|
attr(tspan, attributes);
|
|
// Append it
|
textNode.appendChild(tspan);
|
|
// first span on subsequent line, add the line height
|
if (!spanNo && lineNo) {
|
|
// allow getting the right offset height in exporting in IE
|
if (!hasSVG && forExport) {
|
css(tspan, { display: 'block' });
|
}
|
|
// Set the line height based on the font size of either
|
// the text element or the tspan element
|
attr(
|
tspan,
|
'dy',
|
getLineHeight(tspan)
|
);
|
}
|
|
// check width and apply soft breaks
|
if (width) {
|
var words = span.replace(/([^\^])-/g, '$1- ').split(' '), // #1273
|
hasWhiteSpace = spans.length > 1 || (words.length > 1 && textStyles.whiteSpace !== 'nowrap'),
|
tooLong,
|
actualWidth,
|
hcHeight = textStyles.HcHeight,
|
rest = [],
|
dy = getLineHeight(tspan),
|
softLineNo = 1,
|
bBox;
|
|
while (hasWhiteSpace && (words.length || rest.length)) {
|
delete wrapper.bBox; // delete cache
|
bBox = wrapper.getBBox();
|
actualWidth = bBox.width;
|
|
// Old IE cannot measure the actualWidth for SVG elements (#2314)
|
if (!hasSVG && renderer.forExport) {
|
actualWidth = renderer.measureSpanWidth(tspan.firstChild.data, wrapper.styles);
|
}
|
|
tooLong = actualWidth > width;
|
if (!tooLong || words.length === 1) { // new line needed
|
words = rest;
|
rest = [];
|
if (words.length) {
|
softLineNo++;
|
if (hcHeight && softLineNo * dy > hcHeight) {
|
words = ['...'];
|
wrapper.attr('title', wrapper.textStr);
|
} else {
|
|
tspan = doc.createElementNS(SVG_NS, 'tspan');
|
attr(tspan, {
|
dy: dy,
|
x: parentX
|
});
|
if (spanStyle) { // #390
|
attr(tspan, 'style', spanStyle);
|
}
|
textNode.appendChild(tspan);
|
}
|
}
|
if (actualWidth > width) { // a single word is pressing it out
|
width = actualWidth;
|
}
|
} else { // append to existing line tspan
|
tspan.removeChild(tspan.firstChild);
|
rest.unshift(words.pop());
|
}
|
if (words.length) {
|
tspan.appendChild(doc.createTextNode(words.join(' ').replace(/- /g, '-')));
|
}
|
}
|
}
|
|
spanNo++;
|
}
|
}
|
});
|
});
|
}
|
},
|
|
/**
|
* Create a button with preset states
|
* @param {String} text
|
* @param {Number} x
|
* @param {Number} y
|
* @param {Function} callback
|
* @param {Object} normalState
|
* @param {Object} hoverState
|
* @param {Object} pressedState
|
*/
|
button: function (text, x, y, callback, normalState, hoverState, pressedState, disabledState, shape) {
|
var label = this.label(text, x, y, shape, null, null, null, null, 'button'),
|
curState = 0,
|
stateOptions,
|
stateStyle,
|
normalStyle,
|
hoverStyle,
|
pressedStyle,
|
disabledStyle,
|
verticalGradient = { x1: 0, y1: 0, x2: 0, y2: 1 };
|
|
// Normal state - prepare the attributes
|
normalState = merge({
|
'stroke-width': 1,
|
stroke: '#CCCCCC',
|
fill: {
|
linearGradient: verticalGradient,
|
stops: [
|
[0, '#FEFEFE'],
|
[1, '#F6F6F6']
|
]
|
},
|
r: 2,
|
padding: 5,
|
style: {
|
color: 'black'
|
}
|
}, normalState);
|
normalStyle = normalState.style;
|
delete normalState.style;
|
|
// Hover state
|
hoverState = merge(normalState, {
|
stroke: '#68A',
|
fill: {
|
linearGradient: verticalGradient,
|
stops: [
|
[0, '#FFF'],
|
[1, '#ACF']
|
]
|
}
|
}, hoverState);
|
hoverStyle = hoverState.style;
|
delete hoverState.style;
|
|
// Pressed state
|
pressedState = merge(normalState, {
|
stroke: '#68A',
|
fill: {
|
linearGradient: verticalGradient,
|
stops: [
|
[0, '#9BD'],
|
[1, '#CDF']
|
]
|
}
|
}, pressedState);
|
pressedStyle = pressedState.style;
|
delete pressedState.style;
|
|
// Disabled state
|
disabledState = merge(normalState, {
|
style: {
|
color: '#CCC'
|
}
|
}, disabledState);
|
disabledStyle = disabledState.style;
|
delete disabledState.style;
|
|
// Add the events. IE9 and IE10 need mouseover and mouseout to funciton (#667).
|
addEvent(label.element, isIE ? 'mouseover' : 'mouseenter', function () {
|
if (curState !== 3) {
|
label.attr(hoverState)
|
.css(hoverStyle);
|
}
|
});
|
addEvent(label.element, isIE ? 'mouseout' : 'mouseleave', function () {
|
if (curState !== 3) {
|
stateOptions = [normalState, hoverState, pressedState][curState];
|
stateStyle = [normalStyle, hoverStyle, pressedStyle][curState];
|
label.attr(stateOptions)
|
.css(stateStyle);
|
}
|
});
|
|
label.setState = function (state) {
|
label.state = curState = state;
|
if (!state) {
|
label.attr(normalState)
|
.css(normalStyle);
|
} else if (state === 2) {
|
label.attr(pressedState)
|
.css(pressedStyle);
|
} else if (state === 3) {
|
label.attr(disabledState)
|
.css(disabledStyle);
|
}
|
};
|
|
return label
|
.on('click', function () {
|
if (curState !== 3) {
|
callback.call(label);
|
}
|
})
|
.attr(normalState)
|
.css(extend({ cursor: 'default' }, normalStyle));
|
},
|
|
/**
|
* Make a straight line crisper by not spilling out to neighbour pixels
|
* @param {Array} points
|
* @param {Number} width
|
*/
|
crispLine: function (points, width) {
|
// points format: [M, 0, 0, L, 100, 0]
|
// normalize to a crisp line
|
if (points[1] === points[4]) {
|
// Substract due to #1129. Now bottom and left axis gridlines behave the same.
|
points[1] = points[4] = mathRound(points[1]) - (width % 2 / 2);
|
}
|
if (points[2] === points[5]) {
|
points[2] = points[5] = mathRound(points[2]) + (width % 2 / 2);
|
}
|
return points;
|
},
|
|
|
/**
|
* Draw a path
|
* @param {Array} path An SVG path in array form
|
*/
|
path: function (path) {
|
var attr = {
|
fill: NONE
|
};
|
if (isArray(path)) {
|
attr.d = path;
|
} else if (isObject(path)) { // attributes
|
extend(attr, path);
|
}
|
return this.createElement('path').attr(attr);
|
},
|
|
/**
|
* Draw and return an SVG circle
|
* @param {Number} x The x position
|
* @param {Number} y The y position
|
* @param {Number} r The radius
|
*/
|
circle: function (x, y, r) {
|
var attr = isObject(x) ?
|
x :
|
{
|
x: x,
|
y: y,
|
r: r
|
},
|
wrapper = this.createElement('circle');
|
|
wrapper.xSetter = function (value) {
|
this.element.setAttribute('cx', value);
|
};
|
wrapper.ySetter = function (value) {
|
this.element.setAttribute('cy', value);
|
};
|
return wrapper.attr(attr);
|
},
|
|
/**
|
* Draw and return an arc
|
* @param {Number} x X position
|
* @param {Number} y Y position
|
* @param {Number} r Radius
|
* @param {Number} innerR Inner radius like used in donut charts
|
* @param {Number} start Starting angle
|
* @param {Number} end Ending angle
|
*/
|
arc: function (x, y, r, innerR, start, end) {
|
var arc;
|
|
if (isObject(x)) {
|
y = x.y;
|
r = x.r;
|
innerR = x.innerR;
|
start = x.start;
|
end = x.end;
|
x = x.x;
|
}
|
|
// Arcs are defined as symbols for the ability to set
|
// attributes in attr and animate
|
arc = this.symbol('arc', x || 0, y || 0, r || 0, r || 0, {
|
innerR: innerR || 0,
|
start: start || 0,
|
end: end || 0
|
});
|
arc.r = r; // #959
|
return arc;
|
},
|
|
/**
|
* Draw and return a rectangle
|
* @param {Number} x Left position
|
* @param {Number} y Top position
|
* @param {Number} width
|
* @param {Number} height
|
* @param {Number} r Border corner radius
|
* @param {Number} strokeWidth A stroke width can be supplied to allow crisp drawing
|
*/
|
rect: function (x, y, width, height, r, strokeWidth) {
|
|
r = isObject(x) ? x.r : r;
|
|
var wrapper = this.createElement('rect'),
|
attribs = isObject(x) ? x : x === UNDEFINED ? {} : {
|
x: x,
|
y: y,
|
width: mathMax(width, 0),
|
height: mathMax(height, 0)
|
};
|
|
if (strokeWidth !== UNDEFINED) {
|
attribs.strokeWidth = strokeWidth;
|
attribs = wrapper.crisp(attribs);
|
}
|
|
if (r) {
|
attribs.r = r;
|
}
|
|
wrapper.rSetter = function (value) {
|
attr(this.element, {
|
rx: value,
|
ry: value
|
});
|
};
|
|
return wrapper.attr(attribs);
|
},
|
|
/**
|
* Resize the box and re-align all aligned elements
|
* @param {Object} width
|
* @param {Object} height
|
* @param {Boolean} animate
|
*
|
*/
|
setSize: function (width, height, animate) {
|
var renderer = this,
|
alignedObjects = renderer.alignedObjects,
|
i = alignedObjects.length;
|
|
renderer.width = width;
|
renderer.height = height;
|
|
renderer.boxWrapper[pick(animate, true) ? 'animate' : 'attr']({
|
width: width,
|
height: height
|
});
|
|
while (i--) {
|
alignedObjects[i].align();
|
}
|
},
|
|
/**
|
* Create a group
|
* @param {String} name The group will be given a class name of 'highcharts-{name}'.
|
* This can be used for styling and scripting.
|
*/
|
g: function (name) {
|
var elem = this.createElement('g');
|
return defined(name) ? elem.attr({ 'class': PREFIX + name }) : elem;
|
},
|
|
/**
|
* Display an image
|
* @param {String} src
|
* @param {Number} x
|
* @param {Number} y
|
* @param {Number} width
|
* @param {Number} height
|
*/
|
image: function (src, x, y, width, height) {
|
var attribs = {
|
preserveAspectRatio: NONE
|
},
|
elemWrapper;
|
|
// optional properties
|
if (arguments.length > 1) {
|
extend(attribs, {
|
x: x,
|
y: y,
|
width: width,
|
height: height
|
});
|
}
|
|
elemWrapper = this.createElement('image').attr(attribs);
|
|
// set the href in the xlink namespace
|
if (elemWrapper.element.setAttributeNS) {
|
elemWrapper.element.setAttributeNS('http://www.w3.org/1999/xlink',
|
'href', src);
|
} else {
|
// could be exporting in IE
|
// using href throws "not supported" in ie7 and under, requries regex shim to fix later
|
elemWrapper.element.setAttribute('hc-svg-href', src);
|
}
|
return elemWrapper;
|
},
|
|
/**
|
* Draw a symbol out of pre-defined shape paths from the namespace 'symbol' object.
|
*
|
* @param {Object} symbol
|
* @param {Object} x
|
* @param {Object} y
|
* @param {Object} radius
|
* @param {Object} options
|
*/
|
symbol: function (symbol, x, y, width, height, options) {
|
|
var obj,
|
|
// get the symbol definition function
|
symbolFn = this.symbols[symbol],
|
|
// check if there's a path defined for this symbol
|
path = symbolFn && symbolFn(
|
mathRound(x),
|
mathRound(y),
|
width,
|
height,
|
options
|
),
|
|
imageElement,
|
imageRegex = /^url\((.*?)\)$/,
|
imageSrc,
|
imageSize,
|
centerImage;
|
|
if (path) {
|
|
obj = this.path(path);
|
// expando properties for use in animate and attr
|
extend(obj, {
|
symbolName: symbol,
|
x: x,
|
y: y,
|
width: width,
|
height: height
|
});
|
if (options) {
|
extend(obj, options);
|
}
|
|
|
// image symbols
|
} else if (imageRegex.test(symbol)) {
|
|
// On image load, set the size and position
|
centerImage = function (img, size) {
|
if (img.element) { // it may be destroyed in the meantime (#1390)
|
img.attr({
|
width: size[0],
|
height: size[1]
|
});
|
|
if (!img.alignByTranslate) { // #185
|
img.translate(
|
mathRound((width - size[0]) / 2), // #1378
|
mathRound((height - size[1]) / 2)
|
);
|
}
|
}
|
};
|
|
imageSrc = symbol.match(imageRegex)[1];
|
imageSize = symbolSizes[imageSrc];
|
|
// Ireate the image synchronously, add attribs async
|
obj = this.image(imageSrc)
|
.attr({
|
x: x,
|
y: y
|
});
|
obj.isImg = true;
|
|
if (imageSize) {
|
centerImage(obj, imageSize);
|
} else {
|
// Initialize image to be 0 size so export will still function if there's no cached sizes.
|
//
|
obj.attr({ width: 0, height: 0 });
|
|
// Create a dummy JavaScript image to get the width and height. Due to a bug in IE < 8,
|
// the created element must be assigned to a variable in order to load (#292).
|
imageElement = createElement('img', {
|
onload: function () {
|
centerImage(obj, symbolSizes[imageSrc] = [this.width, this.height]);
|
},
|
src: imageSrc
|
});
|
}
|
}
|
|
return obj;
|
},
|
|
/**
|
* An extendable collection of functions for defining symbol paths.
|
*/
|
symbols: {
|
'circle': function (x, y, w, h) {
|
var cpw = 0.166 * w;
|
return [
|
M, x + w / 2, y,
|
'C', x + w + cpw, y, x + w + cpw, y + h, x + w / 2, y + h,
|
'C', x - cpw, y + h, x - cpw, y, x + w / 2, y,
|
'Z'
|
];
|
},
|
|
'square': function (x, y, w, h) {
|
return [
|
M, x, y,
|
L, x + w, y,
|
x + w, y + h,
|
x, y + h,
|
'Z'
|
];
|
},
|
|
'triangle': function (x, y, w, h) {
|
return [
|
M, x + w / 2, y,
|
L, x + w, y + h,
|
x, y + h,
|
'Z'
|
];
|
},
|
|
'triangle-down': function (x, y, w, h) {
|
return [
|
M, x, y,
|
L, x + w, y,
|
x + w / 2, y + h,
|
'Z'
|
];
|
},
|
'diamond': function (x, y, w, h) {
|
return [
|
M, x + w / 2, y,
|
L, x + w, y + h / 2,
|
x + w / 2, y + h,
|
x, y + h / 2,
|
'Z'
|
];
|
},
|
'arc': function (x, y, w, h, options) {
|
var start = options.start,
|
radius = options.r || w || h,
|
end = options.end - 0.001, // to prevent cos and sin of start and end from becoming equal on 360 arcs (related: #1561)
|
innerRadius = options.innerR,
|
open = options.open,
|
cosStart = mathCos(start),
|
sinStart = mathSin(start),
|
cosEnd = mathCos(end),
|
sinEnd = mathSin(end),
|
longArc = options.end - start < mathPI ? 0 : 1;
|
|
return [
|
M,
|
x + radius * cosStart,
|
y + radius * sinStart,
|
'A', // arcTo
|
radius, // x radius
|
radius, // y radius
|
0, // slanting
|
longArc, // long or short arc
|
1, // clockwise
|
x + radius * cosEnd,
|
y + radius * sinEnd,
|
open ? M : L,
|
x + innerRadius * cosEnd,
|
y + innerRadius * sinEnd,
|
'A', // arcTo
|
innerRadius, // x radius
|
innerRadius, // y radius
|
0, // slanting
|
longArc, // long or short arc
|
0, // clockwise
|
x + innerRadius * cosStart,
|
y + innerRadius * sinStart,
|
|
open ? '' : 'Z' // close
|
];
|
},
|
|
/**
|
* Callout shape used for default tooltips, also used for rounded rectangles in VML
|
*/
|
callout: function (x, y, w, h, options) {
|
var arrowLength = 6,
|
halfDistance = 6,
|
r = mathMin((options && options.r) || 0, w, h),
|
safeDistance = r + halfDistance,
|
anchorX = options && options.anchorX,
|
anchorY = options && options.anchorY,
|
path,
|
normalizer = mathRound(options.strokeWidth || 0) % 2 / 2; // mathRound because strokeWidth can sometimes have roundoff errors;
|
|
x += normalizer;
|
y += normalizer;
|
path = [
|
'M', x + r, y,
|
'L', x + w - r, y, // top side
|
'C', x + w, y, x + w, y, x + w, y + r, // top-right corner
|
'L', x + w, y + h - r, // right side
|
'C', x + w, y + h, x + w, y + h, x + w - r, y + h, // bottom-right corner
|
'L', x + r, y + h, // bottom side
|
'C', x, y + h, x, y + h, x, y + h - r, // bottom-left corner
|
'L', x, y + r, // left side
|
'C', x, y, x, y, x + r, y // top-right corner
|
];
|
|
if (anchorX && anchorX > w && anchorY > y + safeDistance && anchorY < y + h - safeDistance) { // replace right side
|
path.splice(13, 3,
|
'L', x + w, anchorY - halfDistance,
|
x + w + arrowLength, anchorY,
|
x + w, anchorY + halfDistance,
|
x + w, y + h - r
|
);
|
} else if (anchorX && anchorX < 0 && anchorY > y + safeDistance && anchorY < y + h - safeDistance) { // replace left side
|
path.splice(33, 3,
|
'L', x, anchorY + halfDistance,
|
x - arrowLength, anchorY,
|
x, anchorY - halfDistance,
|
x, y + r
|
);
|
} else if (anchorY && anchorY > h && anchorX > x + safeDistance && anchorX < x + w - safeDistance) { // replace bottom
|
path.splice(23, 3,
|
'L', anchorX + halfDistance, y + h,
|
anchorX, y + h + arrowLength,
|
anchorX - halfDistance, y + h,
|
x + r, y + h
|
);
|
} else if (anchorY && anchorY < 0 && anchorX > x + safeDistance && anchorX < x + w - safeDistance) { // replace top
|
path.splice(3, 3,
|
'L', anchorX - halfDistance, y,
|
anchorX, y - arrowLength,
|
anchorX + halfDistance, y,
|
w - r, y
|
);
|
}
|
return path;
|
}
|
},
|
|
/**
|
* Define a clipping rectangle
|
* @param {String} id
|
* @param {Number} x
|
* @param {Number} y
|
* @param {Number} width
|
* @param {Number} height
|
*/
|
clipRect: function (x, y, width, height) {
|
var wrapper,
|
id = PREFIX + idCounter++,
|
|
clipPath = this.createElement('clipPath').attr({
|
id: id
|
}).add(this.defs);
|
|
wrapper = this.rect(x, y, width, height, 0).add(clipPath);
|
wrapper.id = id;
|
wrapper.clipPath = clipPath;
|
|
return wrapper;
|
},
|
|
|
|
|
|
/**
|
* Add text to the SVG object
|
* @param {String} str
|
* @param {Number} x Left position
|
* @param {Number} y Top position
|
* @param {Boolean} useHTML Use HTML to render the text
|
*/
|
text: function (str, x, y, useHTML) {
|
|
// declare variables
|
var renderer = this,
|
fakeSVG = useCanVG || (!hasSVG && renderer.forExport),
|
wrapper,
|
attr = {};
|
|
if (useHTML && !renderer.forExport) {
|
return renderer.html(str, x, y);
|
}
|
|
attr.x = Math.round(x || 0); // X is always needed for line-wrap logic
|
if (y) {
|
attr.y = Math.round(y);
|
}
|
if (str || str === 0) {
|
attr.text = str;
|
}
|
|
wrapper = renderer.createElement('text')
|
.attr(attr);
|
|
// Prevent wrapping from creating false offsetWidths in export in legacy IE (#1079, #1063)
|
if (fakeSVG) {
|
wrapper.css({
|
position: ABSOLUTE
|
});
|
}
|
|
if (!useHTML) {
|
wrapper.xSetter = function (value, key, element) {
|
var tspans = element.getElementsByTagName('tspan'),
|
tspan,
|
parentVal = element.getAttribute(key),
|
i;
|
for (i = 0; i < tspans.length; i++) {
|
tspan = tspans[i];
|
// If the x values are equal, the tspan represents a linebreak
|
if (tspan.getAttribute(key) === parentVal) {
|
tspan.setAttribute(key, value);
|
}
|
}
|
element.setAttribute(key, value);
|
};
|
}
|
|
return wrapper;
|
},
|
|
/**
|
* Utility to return the baseline offset and total line height from the font size
|
*/
|
fontMetrics: function (fontSize, elem) {
|
fontSize = fontSize || this.style.fontSize;
|
if (elem && win.getComputedStyle) {
|
elem = elem.element || elem; // SVGElement
|
fontSize = win.getComputedStyle(elem, "").fontSize;
|
}
|
fontSize = /px/.test(fontSize) ? pInt(fontSize) : /em/.test(fontSize) ? parseFloat(fontSize) * 12 : 12;
|
|
// Empirical values found by comparing font size and bounding box height.
|
// Applies to the default font family. http://jsfiddle.net/highcharts/7xvn7/
|
var lineHeight = fontSize < 24 ? fontSize + 4 : mathRound(fontSize * 1.2),
|
baseline = mathRound(lineHeight * 0.8);
|
|
return {
|
h: lineHeight,
|
b: baseline,
|
f: fontSize
|
};
|
},
|
|
/**
|
* Add a label, a text item that can hold a colored or gradient background
|
* as well as a border and shadow.
|
* @param {string} str
|
* @param {Number} x
|
* @param {Number} y
|
* @param {String} shape
|
* @param {Number} anchorX In case the shape has a pointer, like a flag, this is the
|
* coordinates it should be pinned to
|
* @param {Number} anchorY
|
* @param {Boolean} baseline Whether to position the label relative to the text baseline,
|
* like renderer.text, or to the upper border of the rectangle.
|
* @param {String} className Class name for the group
|
*/
|
label: function (str, x, y, shape, anchorX, anchorY, useHTML, baseline, className) {
|
|
var renderer = this,
|
wrapper = renderer.g(className),
|
text = renderer.text('', 0, 0, useHTML)
|
.attr({
|
zIndex: 1
|
}),
|
//.add(wrapper),
|
box,
|
bBox,
|
alignFactor = 0,
|
padding = 3,
|
paddingLeft = 0,
|
width,
|
height,
|
wrapperX,
|
wrapperY,
|
crispAdjust = 0,
|
deferredAttr = {},
|
baselineOffset,
|
needsBox;
|
|
/**
|
* This function runs after the label is added to the DOM (when the bounding box is
|
* available), and after the text of the label is updated to detect the new bounding
|
* box and reflect it in the border box.
|
*/
|
function updateBoxSize() {
|
var boxX,
|
boxY,
|
style = text.element.style;
|
|
bBox = (width === undefined || height === undefined || wrapper.styles.textAlign) && text.textStr &&
|
text.getBBox();
|
wrapper.width = (width || bBox.width || 0) + 2 * padding + paddingLeft;
|
wrapper.height = (height || bBox.height || 0) + 2 * padding;
|
|
// update the label-scoped y offset
|
baselineOffset = padding + renderer.fontMetrics(style && style.fontSize, text).b;
|
|
|
if (needsBox) {
|
|
// create the border box if it is not already present
|
if (!box) {
|
boxX = mathRound(-alignFactor * padding);
|
boxY = baseline ? -baselineOffset : 0;
|
|
wrapper.box = box = shape ?
|
renderer.symbol(shape, boxX, boxY, wrapper.width, wrapper.height, deferredAttr) :
|
renderer.rect(boxX, boxY, wrapper.width, wrapper.height, 0, deferredAttr[STROKE_WIDTH]);
|
box.attr('fill', NONE).add(wrapper);
|
}
|
|
// apply the box attributes
|
if (!box.isImg) { // #1630
|
box.attr(extend({
|
width: mathRound(wrapper.width),
|
height: mathRound(wrapper.height)
|
}, deferredAttr));
|
}
|
deferredAttr = null;
|
}
|
}
|
|
/**
|
* This function runs after setting text or padding, but only if padding is changed
|
*/
|
function updateTextPadding() {
|
var styles = wrapper.styles,
|
textAlign = styles && styles.textAlign,
|
x = paddingLeft + padding * (1 - alignFactor),
|
y;
|
|
// determin y based on the baseline
|
y = baseline ? 0 : baselineOffset;
|
|
// compensate for alignment
|
if (defined(width) && bBox && (textAlign === 'center' || textAlign === 'right')) {
|
x += { center: 0.5, right: 1 }[textAlign] * (width - bBox.width);
|
}
|
|
// update if anything changed
|
if (x !== text.x || y !== text.y) {
|
text.attr('x', x);
|
if (y !== UNDEFINED) {
|
text.attr('y', y);
|
}
|
}
|
|
// record current values
|
text.x = x;
|
text.y = y;
|
}
|
|
/**
|
* Set a box attribute, or defer it if the box is not yet created
|
* @param {Object} key
|
* @param {Object} value
|
*/
|
function boxAttr(key, value) {
|
if (box) {
|
box.attr(key, value);
|
} else {
|
deferredAttr[key] = value;
|
}
|
}
|
|
/**
|
* After the text element is added, get the desired size of the border box
|
* and add it before the text in the DOM.
|
*/
|
wrapper.onAdd = function () {
|
text.add(wrapper);
|
wrapper.attr({
|
text: str || '', // alignment is available now
|
x: x,
|
y: y
|
});
|
|
if (box && defined(anchorX)) {
|
wrapper.attr({
|
anchorX: anchorX,
|
anchorY: anchorY
|
});
|
}
|
};
|
|
/*
|
* Add specific attribute setters.
|
*/
|
|
// only change local variables
|
wrapper.widthSetter = function (value) {
|
width = value;
|
};
|
wrapper.heightSetter = function (value) {
|
height = value;
|
};
|
wrapper.paddingSetter = function (value) {
|
if (defined(value) && value !== padding) {
|
padding = value;
|
updateTextPadding();
|
}
|
};
|
wrapper.paddingLeftSetter = function (value) {
|
if (defined(value) && value !== paddingLeft) {
|
paddingLeft = value;
|
updateTextPadding();
|
}
|
};
|
|
|
// change local variable and prevent setting attribute on the group
|
wrapper.alignSetter = function (value) {
|
alignFactor = { left: 0, center: 0.5, right: 1 }[value];
|
};
|
|
// apply these to the box and the text alike
|
wrapper.textSetter = function (value) {
|
if (value !== UNDEFINED) {
|
text.textSetter(value);
|
}
|
updateBoxSize();
|
updateTextPadding();
|
};
|
|
// apply these to the box but not to the text
|
wrapper['stroke-widthSetter'] = function (value, key) {
|
if (value) {
|
needsBox = true;
|
}
|
crispAdjust = value % 2 / 2;
|
boxAttr(key, value);
|
};
|
wrapper.strokeSetter = wrapper.fillSetter = wrapper.rSetter = function (value, key) {
|
if (key === 'fill' && value) {
|
needsBox = true;
|
}
|
boxAttr(key, value);
|
};
|
wrapper.anchorXSetter = function (value, key) {
|
anchorX = value;
|
boxAttr(key, value + crispAdjust - wrapperX);
|
};
|
wrapper.anchorYSetter = function (value, key) {
|
anchorY = value;
|
boxAttr(key, value - wrapperY);
|
};
|
|
// rename attributes
|
wrapper.xSetter = function (value) {
|
wrapper.x = value; // for animation getter
|
if (alignFactor) {
|
value -= alignFactor * ((width || bBox.width) + padding);
|
}
|
wrapperX = mathRound(value);
|
wrapper.attr('translateX', wrapperX);
|
};
|
wrapper.ySetter = function (value) {
|
wrapperY = wrapper.y = mathRound(value);
|
wrapper.attr('translateY', wrapperY);
|
};
|
|
// Redirect certain methods to either the box or the text
|
var baseCss = wrapper.css;
|
return extend(wrapper, {
|
/**
|
* Pick up some properties and apply them to the text instead of the wrapper
|
*/
|
css: function (styles) {
|
if (styles) {
|
var textStyles = {};
|
styles = merge(styles); // create a copy to avoid altering the original object (#537)
|
each(wrapper.textProps, function (prop) {
|
if (styles[prop] !== UNDEFINED) {
|
textStyles[prop] = styles[prop];
|
delete styles[prop];
|
}
|
});
|
text.css(textStyles);
|
}
|
return baseCss.call(wrapper, styles);
|
},
|
/**
|
* Return the bounding box of the box, not the group
|
*/
|
getBBox: function () {
|
return {
|
width: bBox.width + 2 * padding,
|
height: bBox.height + 2 * padding,
|
x: bBox.x - padding,
|
y: bBox.y - padding
|
};
|
},
|
/**
|
* Apply the shadow to the box
|
*/
|
shadow: function (b) {
|
if (box) {
|
box.shadow(b);
|
}
|
return wrapper;
|
},
|
/**
|
* Destroy and release memory.
|
*/
|
destroy: function () {
|
|
// Added by button implementation
|
removeEvent(wrapper.element, 'mouseenter');
|
removeEvent(wrapper.element, 'mouseleave');
|
|
if (text) {
|
text = text.destroy();
|
}
|
if (box) {
|
box = box.destroy();
|
}
|
// Call base implementation to destroy the rest
|
SVGElement.prototype.destroy.call(wrapper);
|
|
// Release local pointers (#1298)
|
wrapper = renderer = updateBoxSize = updateTextPadding = boxAttr = null;
|
}
|
});
|
}
|
}; // end SVGRenderer
|
|
|
// general renderer
|
Renderer = SVGRenderer;
|
// extend SvgElement for useHTML option
|
extend(SVGElement.prototype, {
|
/**
|
* Apply CSS to HTML elements. This is used in text within SVG rendering and
|
* by the VML renderer
|
*/
|
htmlCss: function (styles) {
|
var wrapper = this,
|
element = wrapper.element,
|
textWidth = styles && element.tagName === 'SPAN' && styles.width;
|
|
if (textWidth) {
|
delete styles.width;
|
wrapper.textWidth = textWidth;
|
wrapper.updateTransform();
|
}
|
|
wrapper.styles = extend(wrapper.styles, styles);
|
css(wrapper.element, styles);
|
|
return wrapper;
|
},
|
|
/**
|
* VML and useHTML method for calculating the bounding box based on offsets
|
* @param {Boolean} refresh Whether to force a fresh value from the DOM or to
|
* use the cached value
|
*
|
* @return {Object} A hash containing values for x, y, width and height
|
*/
|
|
htmlGetBBox: function () {
|
var wrapper = this,
|
element = wrapper.element,
|
bBox = wrapper.bBox;
|
|
// faking getBBox in exported SVG in legacy IE
|
if (!bBox) {
|
// faking getBBox in exported SVG in legacy IE (is this a duplicate of the fix for #1079?)
|
if (element.nodeName === 'text') {
|
element.style.position = ABSOLUTE;
|
}
|
|
bBox = wrapper.bBox = {
|
x: element.offsetLeft,
|
y: element.offsetTop,
|
width: element.offsetWidth,
|
height: element.offsetHeight
|
};
|
}
|
|
return bBox;
|
},
|
|
/**
|
* VML override private method to update elements based on internal
|
* properties based on SVG transform
|
*/
|
htmlUpdateTransform: function () {
|
// aligning non added elements is expensive
|
if (!this.added) {
|
this.alignOnAdd = true;
|
return;
|
}
|
|
var wrapper = this,
|
renderer = wrapper.renderer,
|
elem = wrapper.element,
|
translateX = wrapper.translateX || 0,
|
translateY = wrapper.translateY || 0,
|
x = wrapper.x || 0,
|
y = wrapper.y || 0,
|
align = wrapper.textAlign || 'left',
|
alignCorrection = { left: 0, center: 0.5, right: 1 }[align],
|
shadows = wrapper.shadows;
|
|
// apply translate
|
css(elem, {
|
marginLeft: translateX,
|
marginTop: translateY
|
});
|
if (shadows) { // used in labels/tooltip
|
each(shadows, function (shadow) {
|
css(shadow, {
|
marginLeft: translateX + 1,
|
marginTop: translateY + 1
|
});
|
});
|
}
|
|
// apply inversion
|
if (wrapper.inverted) { // wrapper is a group
|
each(elem.childNodes, function (child) {
|
renderer.invertChild(child, elem);
|
});
|
}
|
|
if (elem.tagName === 'SPAN') {
|
|
var width,
|
rotation = wrapper.rotation,
|
baseline,
|
textWidth = pInt(wrapper.textWidth),
|
currentTextTransform = [rotation, align, elem.innerHTML, wrapper.textWidth].join(',');
|
|
if (currentTextTransform !== wrapper.cTT) { // do the calculations and DOM access only if properties changed
|
|
|
baseline = renderer.fontMetrics(elem.style.fontSize).b;
|
|
// Renderer specific handling of span rotation
|
if (defined(rotation)) {
|
wrapper.setSpanRotation(rotation, alignCorrection, baseline);
|
}
|
|
width = pick(wrapper.elemWidth, elem.offsetWidth);
|
|
// Update textWidth
|
if (width > textWidth && /[ \-]/.test(elem.textContent || elem.innerText)) { // #983, #1254
|
css(elem, {
|
width: textWidth + PX,
|
display: 'block',
|
whiteSpace: 'normal'
|
});
|
width = textWidth;
|
}
|
|
wrapper.getSpanCorrection(width, baseline, alignCorrection, rotation, align);
|
}
|
|
// apply position with correction
|
css(elem, {
|
left: (x + (wrapper.xCorr || 0)) + PX,
|
top: (y + (wrapper.yCorr || 0)) + PX
|
});
|
|
// force reflow in webkit to apply the left and top on useHTML element (#1249)
|
if (isWebKit) {
|
baseline = elem.offsetHeight; // assigned to baseline for JSLint purpose
|
}
|
|
// record current text transform
|
wrapper.cTT = currentTextTransform;
|
}
|
},
|
|
/**
|
* Set the rotation of an individual HTML span
|
*/
|
setSpanRotation: function (rotation, alignCorrection, baseline) {
|
var rotationStyle = {},
|
cssTransformKey = isIE ? '-ms-transform' : isWebKit ? '-webkit-transform' : isFirefox ? 'MozTransform' : isOpera ? '-o-transform' : '';
|
|
rotationStyle[cssTransformKey] = rotationStyle.transform = 'rotate(' + rotation + 'deg)';
|
rotationStyle[cssTransformKey + (isFirefox ? 'Origin' : '-origin')] = rotationStyle.transformOrigin = (alignCorrection * 100) + '% ' + baseline + 'px';
|
css(this.element, rotationStyle);
|
},
|
|
/**
|
* Get the correction in X and Y positioning as the element is rotated.
|
*/
|
getSpanCorrection: function (width, baseline, alignCorrection) {
|
this.xCorr = -width * alignCorrection;
|
this.yCorr = -baseline;
|
}
|
});
|
|
// Extend SvgRenderer for useHTML option.
|
extend(SVGRenderer.prototype, {
|
/**
|
* Create HTML text node. This is used by the VML renderer as well as the SVG
|
* renderer through the useHTML option.
|
*
|
* @param {String} str
|
* @param {Number} x
|
* @param {Number} y
|
*/
|
html: function (str, x, y) {
|
var wrapper = this.createElement('span'),
|
element = wrapper.element,
|
renderer = wrapper.renderer;
|
|
// Text setter
|
wrapper.textSetter = function (value) {
|
if (value !== element.innerHTML) {
|
delete this.bBox;
|
}
|
element.innerHTML = this.textStr = value;
|
};
|
|
// Various setters which rely on update transform
|
wrapper.xSetter = wrapper.ySetter = wrapper.alignSetter = wrapper.rotationSetter = function (value, key) {
|
if (key === 'align') {
|
key = 'textAlign'; // Do not overwrite the SVGElement.align method. Same as VML.
|
}
|
wrapper[key] = value;
|
wrapper.htmlUpdateTransform();
|
};
|
|
// Set the default attributes
|
wrapper.attr({
|
text: str,
|
x: mathRound(x),
|
y: mathRound(y)
|
})
|
.css({
|
position: ABSOLUTE,
|
whiteSpace: 'nowrap',
|
fontFamily: this.style.fontFamily,
|
fontSize: this.style.fontSize
|
});
|
|
// Use the HTML specific .css method
|
wrapper.css = wrapper.htmlCss;
|
|
// This is specific for HTML within SVG
|
if (renderer.isSVG) {
|
wrapper.add = function (svgGroupWrapper) {
|
|
var htmlGroup,
|
container = renderer.box.parentNode,
|
parentGroup,
|
parents = [];
|
|
this.parentGroup = svgGroupWrapper;
|
|
// Create a mock group to hold the HTML elements
|
if (svgGroupWrapper) {
|
htmlGroup = svgGroupWrapper.div;
|
if (!htmlGroup) {
|
|
// Read the parent chain into an array and read from top down
|
parentGroup = svgGroupWrapper;
|
while (parentGroup) {
|
|
parents.push(parentGroup);
|
|
// Move up to the next parent group
|
parentGroup = parentGroup.parentGroup;
|
}
|
|
// Ensure dynamically updating position when any parent is translated
|
each(parents.reverse(), function (parentGroup) {
|
var htmlGroupStyle;
|
|
// Create a HTML div and append it to the parent div to emulate
|
// the SVG group structure
|
htmlGroup = parentGroup.div = parentGroup.div || createElement(DIV, {
|
className: attr(parentGroup.element, 'class')
|
}, {
|
position: ABSOLUTE,
|
left: (parentGroup.translateX || 0) + PX,
|
top: (parentGroup.translateY || 0) + PX
|
}, htmlGroup || container); // the top group is appended to container
|
|
// Shortcut
|
htmlGroupStyle = htmlGroup.style;
|
|
// Set listeners to update the HTML div's position whenever the SVG group
|
// position is changed
|
extend(parentGroup, {
|
translateXSetter: function (value, key) {
|
htmlGroupStyle.left = value + PX;
|
parentGroup[key] = value;
|
parentGroup.doTransform = true;
|
},
|
translateYSetter: function (value, key) {
|
htmlGroupStyle.top = value + PX;
|
parentGroup[key] = value;
|
parentGroup.doTransform = true;
|
},
|
visibilitySetter: function (value, key) {
|
htmlGroupStyle[key] = value;
|
}
|
});
|
});
|
|
}
|
} else {
|
htmlGroup = container;
|
}
|
|
htmlGroup.appendChild(element);
|
|
// Shared with VML:
|
wrapper.added = true;
|
if (wrapper.alignOnAdd) {
|
wrapper.htmlUpdateTransform();
|
}
|
|
return wrapper;
|
};
|
}
|
return wrapper;
|
}
|
});
|
|
/* ****************************************************************************
|
* *
|
* START OF INTERNET EXPLORER <= 8 SPECIFIC CODE *
|
* *
|
* For applications and websites that don't need IE support, like platform *
|
* targeted mobile apps and web apps, this code can be removed. *
|
* *
|
*****************************************************************************/
|
|
/**
|
* @constructor
|
*/
|
var VMLRenderer, VMLElement;
|
if (!hasSVG && !useCanVG) {
|
|
/**
|
* The VML element wrapper.
|
*/
|
VMLElement = {
|
|
/**
|
* Initialize a new VML element wrapper. It builds the markup as a string
|
* to minimize DOM traffic.
|
* @param {Object} renderer
|
* @param {Object} nodeName
|
*/
|
init: function (renderer, nodeName) {
|
var wrapper = this,
|
markup = ['<', nodeName, ' filled="f" stroked="f"'],
|
style = ['position: ', ABSOLUTE, ';'],
|
isDiv = nodeName === DIV;
|
|
// divs and shapes need size
|
if (nodeName === 'shape' || isDiv) {
|
style.push('left:0;top:0;width:1px;height:1px;');
|
}
|
style.push('visibility: ', isDiv ? HIDDEN : VISIBLE);
|
|
markup.push(' style="', style.join(''), '"/>');
|
|
// create element with default attributes and style
|
if (nodeName) {
|
markup = isDiv || nodeName === 'span' || nodeName === 'img' ?
|
markup.join('')
|
: renderer.prepVML(markup);
|
wrapper.element = createElement(markup);
|
}
|
|
wrapper.renderer = renderer;
|
},
|
|
/**
|
* Add the node to the given parent
|
* @param {Object} parent
|
*/
|
add: function (parent) {
|
var wrapper = this,
|
renderer = wrapper.renderer,
|
element = wrapper.element,
|
box = renderer.box,
|
inverted = parent && parent.inverted,
|
|
// get the parent node
|
parentNode = parent ?
|
parent.element || parent :
|
box;
|
|
|
// if the parent group is inverted, apply inversion on all children
|
if (inverted) { // only on groups
|
renderer.invertChild(element, parentNode);
|
}
|
|
// append it
|
parentNode.appendChild(element);
|
|
// align text after adding to be able to read offset
|
wrapper.added = true;
|
if (wrapper.alignOnAdd && !wrapper.deferUpdateTransform) {
|
wrapper.updateTransform();
|
}
|
|
// fire an event for internal hooks
|
if (wrapper.onAdd) {
|
wrapper.onAdd();
|
}
|
|
return wrapper;
|
},
|
|
/**
|
* VML always uses htmlUpdateTransform
|
*/
|
updateTransform: SVGElement.prototype.htmlUpdateTransform,
|
|
/**
|
* Set the rotation of a span with oldIE's filter
|
*/
|
setSpanRotation: function () {
|
// Adjust for alignment and rotation. Rotation of useHTML content is not yet implemented
|
// but it can probably be implemented for Firefox 3.5+ on user request. FF3.5+
|
// has support for CSS3 transform. The getBBox method also needs to be updated
|
// to compensate for the rotation, like it currently does for SVG.
|
// Test case: http://jsfiddle.net/highcharts/Ybt44/
|
|
var rotation = this.rotation,
|
costheta = mathCos(rotation * deg2rad),
|
sintheta = mathSin(rotation * deg2rad);
|
|
css(this.element, {
|
filter: rotation ? ['progid:DXImageTransform.Microsoft.Matrix(M11=', costheta,
|
', M12=', -sintheta, ', M21=', sintheta, ', M22=', costheta,
|
', sizingMethod=\'auto expand\')'].join('') : NONE
|
});
|
},
|
|
/**
|
* Get the positioning correction for the span after rotating.
|
*/
|
getSpanCorrection: function (width, baseline, alignCorrection, rotation, align) {
|
|
var costheta = rotation ? mathCos(rotation * deg2rad) : 1,
|
sintheta = rotation ? mathSin(rotation * deg2rad) : 0,
|
height = pick(this.elemHeight, this.element.offsetHeight),
|
quad,
|
nonLeft = align && align !== 'left';
|
|
// correct x and y
|
this.xCorr = costheta < 0 && -width;
|
this.yCorr = sintheta < 0 && -height;
|
|
// correct for baseline and corners spilling out after rotation
|
quad = costheta * sintheta < 0;
|
this.xCorr += sintheta * baseline * (quad ? 1 - alignCorrection : alignCorrection);
|
this.yCorr -= costheta * baseline * (rotation ? (quad ? alignCorrection : 1 - alignCorrection) : 1);
|
// correct for the length/height of the text
|
if (nonLeft) {
|
this.xCorr -= width * alignCorrection * (costheta < 0 ? -1 : 1);
|
if (rotation) {
|
this.yCorr -= height * alignCorrection * (sintheta < 0 ? -1 : 1);
|
}
|
css(this.element, {
|
textAlign: align
|
});
|
}
|
},
|
|
/**
|
* Converts a subset of an SVG path definition to its VML counterpart. Takes an array
|
* as the parameter and returns a string.
|
*/
|
pathToVML: function (value) {
|
// convert paths
|
var i = value.length,
|
path = [];
|
|
while (i--) {
|
|
// Multiply by 10 to allow subpixel precision.
|
// Substracting half a pixel seems to make the coordinates
|
// align with SVG, but this hasn't been tested thoroughly
|
if (isNumber(value[i])) {
|
path[i] = mathRound(value[i] * 10) - 5;
|
} else if (value[i] === 'Z') { // close the path
|
path[i] = 'x';
|
} else {
|
path[i] = value[i];
|
|
// When the start X and end X coordinates of an arc are too close,
|
// they are rounded to the same value above. In this case, substract or
|
// add 1 from the end X and Y positions. #186, #760, #1371, #1410.
|
if (value.isArc && (value[i] === 'wa' || value[i] === 'at')) {
|
// Start and end X
|
if (path[i + 5] === path[i + 7]) {
|
path[i + 7] += value[i + 7] > value[i + 5] ? 1 : -1;
|
}
|
// Start and end Y
|
if (path[i + 6] === path[i + 8]) {
|
path[i + 8] += value[i + 8] > value[i + 6] ? 1 : -1;
|
}
|
}
|
}
|
}
|
|
|
// Loop up again to handle path shortcuts (#2132)
|
/*while (i++ < path.length) {
|
if (path[i] === 'H') { // horizontal line to
|
path[i] = 'L';
|
path.splice(i + 2, 0, path[i - 1]);
|
} else if (path[i] === 'V') { // vertical line to
|
path[i] = 'L';
|
path.splice(i + 1, 0, path[i - 2]);
|
}
|
}*/
|
return path.join(' ') || 'x';
|
},
|
|
/**
|
* Set the element's clipping to a predefined rectangle
|
*
|
* @param {String} id The id of the clip rectangle
|
*/
|
clip: function (clipRect) {
|
var wrapper = this,
|
clipMembers,
|
cssRet;
|
|
if (clipRect) {
|
clipMembers = clipRect.members;
|
erase(clipMembers, wrapper); // Ensure unique list of elements (#1258)
|
clipMembers.push(wrapper);
|
wrapper.destroyClip = function () {
|
erase(clipMembers, wrapper);
|
};
|
cssRet = clipRect.getCSS(wrapper);
|
|
} else {
|
if (wrapper.destroyClip) {
|
wrapper.destroyClip();
|
}
|
cssRet = { clip: docMode8 ? 'inherit' : 'rect(auto)' }; // #1214
|
}
|
|
return wrapper.css(cssRet);
|
|
},
|
|
/**
|
* Set styles for the element
|
* @param {Object} styles
|
*/
|
css: SVGElement.prototype.htmlCss,
|
|
/**
|
* Removes a child either by removeChild or move to garbageBin.
|
* Issue 490; in VML removeChild results in Orphaned nodes according to sIEve, discardElement does not.
|
*/
|
safeRemoveChild: function (element) {
|
// discardElement will detach the node from its parent before attaching it
|
// to the garbage bin. Therefore it is important that the node is attached and have parent.
|
if (element.parentNode) {
|
discardElement(element);
|
}
|
},
|
|
/**
|
* Extend element.destroy by removing it from the clip members array
|
*/
|
destroy: function () {
|
if (this.destroyClip) {
|
this.destroyClip();
|
}
|
|
return SVGElement.prototype.destroy.apply(this);
|
},
|
|
/**
|
* Add an event listener. VML override for normalizing event parameters.
|
* @param {String} eventType
|
* @param {Function} handler
|
*/
|
on: function (eventType, handler) {
|
// simplest possible event model for internal use
|
this.element['on' + eventType] = function () {
|
var evt = win.event;
|
evt.target = evt.srcElement;
|
handler(evt);
|
};
|
return this;
|
},
|
|
/**
|
* In stacked columns, cut off the shadows so that they don't overlap
|
*/
|
cutOffPath: function (path, length) {
|
|
var len;
|
|
path = path.split(/[ ,]/);
|
len = path.length;
|
|
if (len === 9 || len === 11) {
|
path[len - 4] = path[len - 2] = pInt(path[len - 2]) - 10 * length;
|
}
|
return path.join(' ');
|
},
|
|
/**
|
* Apply a drop shadow by copying elements and giving them different strokes
|
* @param {Boolean|Object} shadowOptions
|
*/
|
shadow: function (shadowOptions, group, cutOff) {
|
var shadows = [],
|
i,
|
element = this.element,
|
renderer = this.renderer,
|
shadow,
|
elemStyle = element.style,
|
markup,
|
path = element.path,
|
strokeWidth,
|
modifiedPath,
|
shadowWidth,
|
shadowElementOpacity;
|
|
// some times empty paths are not strings
|
if (path && typeof path.value !== 'string') {
|
path = 'x';
|
}
|
modifiedPath = path;
|
|
if (shadowOptions) {
|
shadowWidth = pick(shadowOptions.width, 3);
|
shadowElementOpacity = (shadowOptions.opacity || 0.15) / shadowWidth;
|
for (i = 1; i <= 3; i++) {
|
|
strokeWidth = (shadowWidth * 2) + 1 - (2 * i);
|
|
// Cut off shadows for stacked column items
|
if (cutOff) {
|
modifiedPath = this.cutOffPath(path.value, strokeWidth + 0.5);
|
}
|
|
markup = ['<shape isShadow="true" strokeweight="', strokeWidth,
|
'" filled="false" path="', modifiedPath,
|
'" coordsize="10 10" style="', element.style.cssText, '" />'];
|
|
shadow = createElement(renderer.prepVML(markup),
|
null, {
|
left: pInt(elemStyle.left) + pick(shadowOptions.offsetX, 1),
|
top: pInt(elemStyle.top) + pick(shadowOptions.offsetY, 1)
|
}
|
);
|
if (cutOff) {
|
shadow.cutOff = strokeWidth + 1;
|
}
|
|
// apply the opacity
|
markup = ['<stroke color="', shadowOptions.color || 'black', '" opacity="', shadowElementOpacity * i, '"/>'];
|
createElement(renderer.prepVML(markup), null, null, shadow);
|
|
|
// insert it
|
if (group) {
|
group.element.appendChild(shadow);
|
} else {
|
element.parentNode.insertBefore(shadow, element);
|
}
|
|
// record it
|
shadows.push(shadow);
|
|
}
|
|
this.shadows = shadows;
|
}
|
return this;
|
},
|
updateShadows: noop, // Used in SVG only
|
|
setAttr: function (key, value) {
|
if (docMode8) { // IE8 setAttribute bug
|
this.element[key] = value;
|
} else {
|
this.element.setAttribute(key, value);
|
}
|
},
|
classSetter: function (value) {
|
// IE8 Standards mode has problems retrieving the className unless set like this
|
this.element.className = value;
|
},
|
dashstyleSetter: function (value, key, element) {
|
var strokeElem = element.getElementsByTagName('stroke')[0] ||
|
createElement(this.renderer.prepVML(['<stroke/>']), null, null, element);
|
strokeElem[key] = value || 'solid';
|
this[key] = value; /* because changing stroke-width will change the dash length
|
and cause an epileptic effect */
|
},
|
dSetter: function (value, key, element) {
|
var i,
|
shadows = this.shadows;
|
value = value || [];
|
this.d = value.join && value.join(' '); // used in getter for animation
|
|
element.path = value = this.pathToVML(value);
|
|
// update shadows
|
if (shadows) {
|
i = shadows.length;
|
while (i--) {
|
shadows[i].path = shadows[i].cutOff ? this.cutOffPath(value, shadows[i].cutOff) : value;
|
}
|
}
|
this.setAttr(key, value);
|
},
|
fillSetter: function (value, key, element) {
|
var nodeName = element.nodeName;
|
if (nodeName === 'SPAN') { // text color
|
element.style.color = value;
|
} else if (nodeName !== 'IMG') { // #1336
|
element.filled = value !== NONE;
|
this.setAttr('fillcolor', this.renderer.color(value, element, key, this));
|
}
|
},
|
opacitySetter: noop, // Don't bother - animation is too slow and filters introduce artifacts
|
rotationSetter: function (value, key, element) {
|
var style = element.style;
|
this[key] = style[key] = value; // style is for #1873
|
|
// Correction for the 1x1 size of the shape container. Used in gauge needles.
|
style.left = -mathRound(mathSin(value * deg2rad) + 1) + PX;
|
style.top = mathRound(mathCos(value * deg2rad)) + PX;
|
},
|
strokeSetter: function (value, key, element) {
|
this.setAttr('strokecolor', this.renderer.color(value, element, key));
|
},
|
'stroke-widthSetter': function (value, key, element) {
|
element.stroked = !!value; // VML "stroked" attribute
|
this[key] = value; // used in getter, issue #113
|
if (isNumber(value)) {
|
value += PX;
|
}
|
this.setAttr('strokeweight', value);
|
},
|
titleSetter: function (value, key) {
|
this.setAttr(key, value);
|
},
|
visibilitySetter: function (value, key, element) {
|
|
// Handle inherited visibility
|
if (value === 'inherit') {
|
value = VISIBLE;
|
}
|
|
// Let the shadow follow the main element
|
if (this.shadows) {
|
each(this.shadows, function (shadow) {
|
shadow.style[key] = value;
|
});
|
}
|
|
// Instead of toggling the visibility CSS property, move the div out of the viewport.
|
// This works around #61 and #586
|
if (element.nodeName === 'DIV') {
|
value = value === HIDDEN ? '-999em' : 0;
|
|
// In order to redraw, IE7 needs the div to be visible when tucked away
|
// outside the viewport. So the visibility is actually opposite of
|
// the expected value. This applies to the tooltip only.
|
if (!docMode8) {
|
element.style[key] = value ? VISIBLE : HIDDEN;
|
}
|
key = 'top';
|
}
|
element.style[key] = value;
|
},
|
xSetter: function (value, key, element) {
|
this[key] = value; // used in getter
|
|
if (key === 'x') {
|
key = 'left';
|
} else if (key === 'y') {
|
key = 'top';
|
}/* else {
|
value = mathMax(0, value); // don't set width or height below zero (#311)
|
}*/
|
|
// clipping rectangle special
|
if (this.updateClipping) {
|
this[key] = value; // the key is now 'left' or 'top' for 'x' and 'y'
|
this.updateClipping();
|
} else {
|
// normal
|
element.style[key] = value;
|
}
|
},
|
zIndexSetter: function (value, key, element) {
|
element.style[key] = value;
|
}
|
};
|
Highcharts.VMLElement = VMLElement = extendClass(SVGElement, VMLElement);
|
|
// Some shared setters
|
VMLElement.prototype.ySetter =
|
VMLElement.prototype.widthSetter =
|
VMLElement.prototype.heightSetter =
|
VMLElement.prototype.xSetter;
|
|
|
/**
|
* The VML renderer
|
*/
|
var VMLRendererExtension = { // inherit SVGRenderer
|
|
Element: VMLElement,
|
isIE8: userAgent.indexOf('MSIE 8.0') > -1,
|
|
|
/**
|
* Initialize the VMLRenderer
|
* @param {Object} container
|
* @param {Number} width
|
* @param {Number} height
|
*/
|
init: function (container, width, height, style) {
|
var renderer = this,
|
boxWrapper,
|
box,
|
css;
|
|
renderer.alignedObjects = [];
|
|
boxWrapper = renderer.createElement(DIV)
|
.css(extend(this.getStyle(style), { position: RELATIVE}));
|
box = boxWrapper.element;
|
container.appendChild(boxWrapper.element);
|
|
|
// generate the containing box
|
renderer.isVML = true;
|
renderer.box = box;
|
renderer.boxWrapper = boxWrapper;
|
renderer.cache = {};
|
|
|
renderer.setSize(width, height, false);
|
|
// The only way to make IE6 and IE7 print is to use a global namespace. However,
|
// with IE8 the only way to make the dynamic shapes visible in screen and print mode
|
// seems to be to add the xmlns attribute and the behaviour style inline.
|
if (!doc.namespaces.hcv) {
|
|
doc.namespaces.add('hcv', 'urn:schemas-microsoft-com:vml');
|
|
// Setup default CSS (#2153, #2368, #2384)
|
css = 'hcv\\:fill, hcv\\:path, hcv\\:shape, hcv\\:stroke' +
|
'{ behavior:url(#default#VML); display: inline-block; } ';
|
try {
|
doc.createStyleSheet().cssText = css;
|
} catch (e) {
|
doc.styleSheets[0].cssText += css;
|
}
|
|
}
|
},
|
|
|
/**
|
* Detect whether the renderer is hidden. This happens when one of the parent elements
|
* has display: none
|
*/
|
isHidden: function () {
|
return !this.box.offsetWidth;
|
},
|
|
/**
|
* Define a clipping rectangle. In VML it is accomplished by storing the values
|
* for setting the CSS style to all associated members.
|
*
|
* @param {Number} x
|
* @param {Number} y
|
* @param {Number} width
|
* @param {Number} height
|
*/
|
clipRect: function (x, y, width, height) {
|
|
// create a dummy element
|
var clipRect = this.createElement(),
|
isObj = isObject(x);
|
|
// mimic a rectangle with its style object for automatic updating in attr
|
return extend(clipRect, {
|
members: [],
|
left: (isObj ? x.x : x) + 1,
|
top: (isObj ? x.y : y) + 1,
|
width: (isObj ? x.width : width) - 1,
|
height: (isObj ? x.height : height) - 1,
|
getCSS: function (wrapper) {
|
var element = wrapper.element,
|
nodeName = element.nodeName,
|
isShape = nodeName === 'shape',
|
inverted = wrapper.inverted,
|
rect = this,
|
top = rect.top - (isShape ? element.offsetTop : 0),
|
left = rect.left,
|
right = left + rect.width,
|
bottom = top + rect.height,
|
ret = {
|
clip: 'rect(' +
|
mathRound(inverted ? left : top) + 'px,' +
|
mathRound(inverted ? bottom : right) + 'px,' +
|
mathRound(inverted ? right : bottom) + 'px,' +
|
mathRound(inverted ? top : left) + 'px)'
|
};
|
|
// issue 74 workaround
|
if (!inverted && docMode8 && nodeName === 'DIV') {
|
extend(ret, {
|
width: right + PX,
|
height: bottom + PX
|
});
|
}
|
return ret;
|
},
|
|
// used in attr and animation to update the clipping of all members
|
updateClipping: function () {
|
each(clipRect.members, function (member) {
|
if (member.element) { // Deleted series, like in stock/members/series-remove demo. Should be removed from members, but this will do.
|
member.css(clipRect.getCSS(member));
|
}
|
});
|
}
|
});
|
|
},
|
|
|
/**
|
* Take a color and return it if it's a string, make it a gradient if it's a
|
* gradient configuration object, and apply opacity.
|
*
|
* @param {Object} color The color or config object
|
*/
|
color: function (color, elem, prop, wrapper) {
|
var renderer = this,
|
colorObject,
|
regexRgba = /^rgba/,
|
markup,
|
fillType,
|
ret = NONE;
|
|
// Check for linear or radial gradient
|
if (color && color.linearGradient) {
|
fillType = 'gradient';
|
} else if (color && color.radialGradient) {
|
fillType = 'pattern';
|
}
|
|
|
if (fillType) {
|
|
var stopColor,
|
stopOpacity,
|
gradient = color.linearGradient || color.radialGradient,
|
x1,
|
y1,
|
x2,
|
y2,
|
opacity1,
|
opacity2,
|
color1,
|
color2,
|
fillAttr = '',
|
stops = color.stops,
|
firstStop,
|
lastStop,
|
colors = [],
|
addFillNode = function () {
|
// Add the fill subnode. When colors attribute is used, the meanings of opacity and o:opacity2
|
// are reversed.
|
markup = ['<fill colors="' + colors.join(',') + '" opacity="', opacity2, '" o:opacity2="', opacity1,
|
'" type="', fillType, '" ', fillAttr, 'focus="100%" method="any" />'];
|
createElement(renderer.prepVML(markup), null, null, elem);
|
};
|
|
// Extend from 0 to 1
|
firstStop = stops[0];
|
lastStop = stops[stops.length - 1];
|
if (firstStop[0] > 0) {
|
stops.unshift([
|
0,
|
firstStop[1]
|
]);
|
}
|
if (lastStop[0] < 1) {
|
stops.push([
|
1,
|
lastStop[1]
|
]);
|
}
|
|
// Compute the stops
|
each(stops, function (stop, i) {
|
if (regexRgba.test(stop[1])) {
|
colorObject = Color(stop[1]);
|
stopColor = colorObject.get('rgb');
|
stopOpacity = colorObject.get('a');
|
} else {
|
stopColor = stop[1];
|
stopOpacity = 1;
|
}
|
|
// Build the color attribute
|
colors.push((stop[0] * 100) + '% ' + stopColor);
|
|
// Only start and end opacities are allowed, so we use the first and the last
|
if (!i) {
|
opacity1 = stopOpacity;
|
color2 = stopColor;
|
} else {
|
opacity2 = stopOpacity;
|
color1 = stopColor;
|
}
|
});
|
|
// Apply the gradient to fills only.
|
if (prop === 'fill') {
|
|
// Handle linear gradient angle
|
if (fillType === 'gradient') {
|
x1 = gradient.x1 || gradient[0] || 0;
|
y1 = gradient.y1 || gradient[1] || 0;
|
x2 = gradient.x2 || gradient[2] || 0;
|
y2 = gradient.y2 || gradient[3] || 0;
|
fillAttr = 'angle="' + (90 - math.atan(
|
(y2 - y1) / // y vector
|
(x2 - x1) // x vector
|
) * 180 / mathPI) + '"';
|
|
addFillNode();
|
|
// Radial (circular) gradient
|
} else {
|
|
var r = gradient.r,
|
sizex = r * 2,
|
sizey = r * 2,
|
cx = gradient.cx,
|
cy = gradient.cy,
|
radialReference = elem.radialReference,
|
bBox,
|
applyRadialGradient = function () {
|
if (radialReference) {
|
bBox = wrapper.getBBox();
|
cx += (radialReference[0] - bBox.x) / bBox.width - 0.5;
|
cy += (radialReference[1] - bBox.y) / bBox.height - 0.5;
|
sizex *= radialReference[2] / bBox.width;
|
sizey *= radialReference[2] / bBox.height;
|
}
|
fillAttr = 'src="' + defaultOptions.global.VMLRadialGradientURL + '" ' +
|
'size="' + sizex + ',' + sizey + '" ' +
|
'origin="0.5,0.5" ' +
|
'position="' + cx + ',' + cy + '" ' +
|
'color2="' + color2 + '" ';
|
|
addFillNode();
|
};
|
|
// Apply radial gradient
|
if (wrapper.added) {
|
applyRadialGradient();
|
} else {
|
// We need to know the bounding box to get the size and position right
|
wrapper.onAdd = applyRadialGradient;
|
}
|
|
// The fill element's color attribute is broken in IE8 standards mode, so we
|
// need to set the parent shape's fillcolor attribute instead.
|
ret = color1;
|
}
|
|
// Gradients are not supported for VML stroke, return the first color. #722.
|
} else {
|
ret = stopColor;
|
}
|
|
// if the color is an rgba color, split it and add a fill node
|
// to hold the opacity component
|
} else if (regexRgba.test(color) && elem.tagName !== 'IMG') {
|
|
colorObject = Color(color);
|
|
markup = ['<', prop, ' opacity="', colorObject.get('a'), '"/>'];
|
createElement(this.prepVML(markup), null, null, elem);
|
|
ret = colorObject.get('rgb');
|
|
|
} else {
|
var propNodes = elem.getElementsByTagName(prop); // 'stroke' or 'fill' node
|
if (propNodes.length) {
|
propNodes[0].opacity = 1;
|
propNodes[0].type = 'solid';
|
}
|
ret = color;
|
}
|
|
return ret;
|
},
|
|
/**
|
* Take a VML string and prepare it for either IE8 or IE6/IE7.
|
* @param {Array} markup A string array of the VML markup to prepare
|
*/
|
prepVML: function (markup) {
|
var vmlStyle = 'display:inline-block;behavior:url(#default#VML);',
|
isIE8 = this.isIE8;
|
|
markup = markup.join('');
|
|
if (isIE8) { // add xmlns and style inline
|
markup = markup.replace('/>', ' xmlns="urn:schemas-microsoft-com:vml" />');
|
if (markup.indexOf('style="') === -1) {
|
markup = markup.replace('/>', ' style="' + vmlStyle + '" />');
|
} else {
|
markup = markup.replace('style="', 'style="' + vmlStyle);
|
}
|
|
} else { // add namespace
|
markup = markup.replace('<', '<hcv:');
|
}
|
|
return markup;
|
},
|
|
/**
|
* Create rotated and aligned text
|
* @param {String} str
|
* @param {Number} x
|
* @param {Number} y
|
*/
|
text: SVGRenderer.prototype.html,
|
|
/**
|
* Create and return a path element
|
* @param {Array} path
|
*/
|
path: function (path) {
|
var attr = {
|
// subpixel precision down to 0.1 (width and height = 1px)
|
coordsize: '10 10'
|
};
|
if (isArray(path)) {
|
attr.d = path;
|
} else if (isObject(path)) { // attributes
|
extend(attr, path);
|
}
|
// create the shape
|
return this.createElement('shape').attr(attr);
|
},
|
|
/**
|
* Create and return a circle element. In VML circles are implemented as
|
* shapes, which is faster than v:oval
|
* @param {Number} x
|
* @param {Number} y
|
* @param {Number} r
|
*/
|
circle: function (x, y, r) {
|
var circle = this.symbol('circle');
|
if (isObject(x)) {
|
r = x.r;
|
y = x.y;
|
x = x.x;
|
}
|
circle.isCircle = true; // Causes x and y to mean center (#1682)
|
circle.r = r;
|
return circle.attr({ x: x, y: y });
|
},
|
|
/**
|
* Create a group using an outer div and an inner v:group to allow rotating
|
* and flipping. A simple v:group would have problems with positioning
|
* child HTML elements and CSS clip.
|
*
|
* @param {String} name The name of the group
|
*/
|
g: function (name) {
|
var wrapper,
|
attribs;
|
|
// set the class name
|
if (name) {
|
attribs = { 'className': PREFIX + name, 'class': PREFIX + name };
|
}
|
|
// the div to hold HTML and clipping
|
wrapper = this.createElement(DIV).attr(attribs);
|
|
return wrapper;
|
},
|
|
/**
|
* VML override to create a regular HTML image
|
* @param {String} src
|
* @param {Number} x
|
* @param {Number} y
|
* @param {Number} width
|
* @param {Number} height
|
*/
|
image: function (src, x, y, width, height) {
|
var obj = this.createElement('img')
|
.attr({ src: src });
|
|
if (arguments.length > 1) {
|
obj.attr({
|
x: x,
|
y: y,
|
width: width,
|
height: height
|
});
|
}
|
return obj;
|
},
|
|
/**
|
* For rectangles, VML uses a shape for rect to overcome bugs and rotation problems
|
*/
|
createElement: function (nodeName) {
|
return nodeName === 'rect' ? this.symbol(nodeName) : SVGRenderer.prototype.createElement.call(this, nodeName);
|
},
|
|
/**
|
* In the VML renderer, each child of an inverted div (group) is inverted
|
* @param {Object} element
|
* @param {Object} parentNode
|
*/
|
invertChild: function (element, parentNode) {
|
var ren = this,
|
parentStyle = parentNode.style,
|
imgStyle = element.tagName === 'IMG' && element.style; // #1111
|
|
css(element, {
|
flip: 'x',
|
left: pInt(parentStyle.width) - (imgStyle ? pInt(imgStyle.top) : 1),
|
top: pInt(parentStyle.height) - (imgStyle ? pInt(imgStyle.left) : 1),
|
rotation: -90
|
});
|
|
// Recursively invert child elements, needed for nested composite shapes like box plots and error bars. #1680, #1806.
|
each(element.childNodes, function (child) {
|
ren.invertChild(child, element);
|
});
|
},
|
|
/**
|
* Symbol definitions that override the parent SVG renderer's symbols
|
*
|
*/
|
symbols: {
|
// VML specific arc function
|
arc: function (x, y, w, h, options) {
|
var start = options.start,
|
end = options.end,
|
radius = options.r || w || h,
|
innerRadius = options.innerR,
|
cosStart = mathCos(start),
|
sinStart = mathSin(start),
|
cosEnd = mathCos(end),
|
sinEnd = mathSin(end),
|
ret;
|
|
if (end - start === 0) { // no angle, don't show it.
|
return ['x'];
|
}
|
|
ret = [
|
'wa', // clockwise arc to
|
x - radius, // left
|
y - radius, // top
|
x + radius, // right
|
y + radius, // bottom
|
x + radius * cosStart, // start x
|
y + radius * sinStart, // start y
|
x + radius * cosEnd, // end x
|
y + radius * sinEnd // end y
|
];
|
|
if (options.open && !innerRadius) {
|
ret.push(
|
'e',
|
M,
|
x,// - innerRadius,
|
y// - innerRadius
|
);
|
}
|
|
ret.push(
|
'at', // anti clockwise arc to
|
x - innerRadius, // left
|
y - innerRadius, // top
|
x + innerRadius, // right
|
y + innerRadius, // bottom
|
x + innerRadius * cosEnd, // start x
|
y + innerRadius * sinEnd, // start y
|
x + innerRadius * cosStart, // end x
|
y + innerRadius * sinStart, // end y
|
'x', // finish path
|
'e' // close
|
);
|
|
ret.isArc = true;
|
return ret;
|
|
},
|
// Add circle symbol path. This performs significantly faster than v:oval.
|
circle: function (x, y, w, h, wrapper) {
|
|
if (wrapper) {
|
w = h = 2 * wrapper.r;
|
}
|
|
// Center correction, #1682
|
if (wrapper && wrapper.isCircle) {
|
x -= w / 2;
|
y -= h / 2;
|
}
|
|
// Return the path
|
return [
|
'wa', // clockwisearcto
|
x, // left
|
y, // top
|
x + w, // right
|
y + h, // bottom
|
x + w, // start x
|
y + h / 2, // start y
|
x + w, // end x
|
y + h / 2, // end y
|
//'x', // finish path
|
'e' // close
|
];
|
},
|
/**
|
* Add rectangle symbol path which eases rotation and omits arcsize problems
|
* compared to the built-in VML roundrect shape. When borders are not rounded,
|
* use the simpler square path, else use the callout path without the arrow.
|
*/
|
rect: function (x, y, w, h, options) {
|
return SVGRenderer.prototype.symbols[
|
!defined(options) || !options.r ? 'square' : 'callout'
|
].call(0, x, y, w, h, options);
|
}
|
}
|
};
|
Highcharts.VMLRenderer = VMLRenderer = function () {
|
this.init.apply(this, arguments);
|
};
|
VMLRenderer.prototype = merge(SVGRenderer.prototype, VMLRendererExtension);
|
|
// general renderer
|
Renderer = VMLRenderer;
|
}
|
|
// This method is used with exporting in old IE, when emulating SVG (see #2314)
|
SVGRenderer.prototype.measureSpanWidth = function (text, styles) {
|
var measuringSpan = doc.createElement('span'),
|
offsetWidth,
|
textNode = doc.createTextNode(text);
|
|
measuringSpan.appendChild(textNode);
|
css(measuringSpan, styles);
|
this.box.appendChild(measuringSpan);
|
offsetWidth = measuringSpan.offsetWidth;
|
discardElement(measuringSpan); // #2463
|
return offsetWidth;
|
};
|
|
|
/* ****************************************************************************
|
* *
|
* END OF INTERNET EXPLORER <= 8 SPECIFIC CODE *
|
* *
|
*****************************************************************************/
|
/* ****************************************************************************
|
* *
|
* START OF ANDROID < 3 SPECIFIC CODE. THIS CAN BE REMOVED IF YOU'RE NOT *
|
* TARGETING THAT SYSTEM. *
|
* *
|
*****************************************************************************/
|
var CanVGRenderer,
|
CanVGController;
|
|
if (useCanVG) {
|
/**
|
* The CanVGRenderer is empty from start to keep the source footprint small.
|
* When requested, the CanVGController downloads the rest of the source packaged
|
* together with the canvg library.
|
*/
|
Highcharts.CanVGRenderer = CanVGRenderer = function () {
|
// Override the global SVG namespace to fake SVG/HTML that accepts CSS
|
SVG_NS = 'http://www.w3.org/1999/xhtml';
|
};
|
|
/**
|
* Start with an empty symbols object. This is needed when exporting is used (exporting.src.js will add a few symbols), but
|
* the implementation from SvgRenderer will not be merged in until first render.
|
*/
|
CanVGRenderer.prototype.symbols = {};
|
|
/**
|
* Handles on demand download of canvg rendering support.
|
*/
|
CanVGController = (function () {
|
// List of renderering calls
|
var deferredRenderCalls = [];
|
|
/**
|
* When downloaded, we are ready to draw deferred charts.
|
*/
|
function drawDeferred() {
|
var callLength = deferredRenderCalls.length,
|
callIndex;
|
|
// Draw all pending render calls
|
for (callIndex = 0; callIndex < callLength; callIndex++) {
|
deferredRenderCalls[callIndex]();
|
}
|
// Clear the list
|
deferredRenderCalls = [];
|
}
|
|
return {
|
push: function (func, scriptLocation) {
|
// Only get the script once
|
if (deferredRenderCalls.length === 0) {
|
getScript(scriptLocation, drawDeferred);
|
}
|
// Register render call
|
deferredRenderCalls.push(func);
|
}
|
};
|
}());
|
|
Renderer = CanVGRenderer;
|
} // end CanVGRenderer
|
|
/* ****************************************************************************
|
* *
|
* END OF ANDROID < 3 SPECIFIC CODE *
|
* *
|
*****************************************************************************/
|
|
/**
|
* The Tick class
|
*/
|
function Tick(axis, pos, type, noLabel) {
|
this.axis = axis;
|
this.pos = pos;
|
this.type = type || '';
|
this.isNew = true;
|
|
if (!type && !noLabel) {
|
this.addLabel();
|
}
|
}
|
|
Tick.prototype = {
|
/**
|
* Write the tick label
|
*/
|
addLabel: function () {
|
var tick = this,
|
axis = tick.axis,
|
options = axis.options,
|
chart = axis.chart,
|
horiz = axis.horiz,
|
categories = axis.categories,
|
names = axis.names,
|
pos = tick.pos,
|
labelOptions = options.labels,
|
rotation = labelOptions.rotation,
|
str,
|
tickPositions = axis.tickPositions,
|
width = (horiz && categories &&
|
!labelOptions.step && !labelOptions.staggerLines &&
|
!labelOptions.rotation &&
|
chart.plotWidth / tickPositions.length) ||
|
(!horiz && (chart.margin[3] || chart.chartWidth * 0.33)), // #1580, #1931
|
isFirst = pos === tickPositions[0],
|
isLast = pos === tickPositions[tickPositions.length - 1],
|
css,
|
attr,
|
value = categories ?
|
pick(categories[pos], names[pos], pos) :
|
pos,
|
label = tick.label,
|
tickPositionInfo = tickPositions.info,
|
dateTimeLabelFormat;
|
|
// Set the datetime label format. If a higher rank is set for this position, use that. If not,
|
// use the general format.
|
if (axis.isDatetimeAxis && tickPositionInfo) {
|
dateTimeLabelFormat = options.dateTimeLabelFormats[tickPositionInfo.higherRanks[pos] || tickPositionInfo.unitName];
|
}
|
// set properties for access in render method
|
tick.isFirst = isFirst;
|
tick.isLast = isLast;
|
|
// get the string
|
str = axis.labelFormatter.call({
|
axis: axis,
|
chart: chart,
|
isFirst: isFirst,
|
isLast: isLast,
|
dateTimeLabelFormat: dateTimeLabelFormat,
|
value: axis.isLog ? correctFloat(lin2log(value)) : value
|
});
|
|
// prepare CSS
|
css = width && { width: mathMax(1, mathRound(width - 2 * (labelOptions.padding || 10))) + PX };
|
css = extend(css, labelOptions.style);
|
|
// first call
|
if (!defined(label)) {
|
attr = {
|
align: axis.labelAlign
|
};
|
if (isNumber(rotation)) {
|
attr.rotation = rotation;
|
}
|
if (width && labelOptions.ellipsis) {
|
css.HcHeight = axis.len / tickPositions.length;
|
}
|
|
tick.label = label =
|
defined(str) && labelOptions.enabled ?
|
chart.renderer.text(
|
str,
|
0,
|
0,
|
labelOptions.useHTML
|
)
|
.attr(attr)
|
// without position absolute, IE export sometimes is wrong
|
.css(css)
|
.add(axis.labelGroup) :
|
null;
|
|
// Set the tick baseline and correct for rotation (#1764)
|
axis.tickBaseline = chart.renderer.fontMetrics(labelOptions.style.fontSize, label).b;
|
if (rotation && axis.side === 2) {
|
axis.tickBaseline *= mathCos(rotation * deg2rad);
|
}
|
|
|
// update
|
} else if (label) {
|
label.attr({
|
text: str
|
})
|
.css(css);
|
}
|
tick.yOffset = label ? pick(labelOptions.y, axis.tickBaseline + (axis.side === 2 ? 8 : -(label.getBBox().height / 2))) : 0;
|
},
|
|
/**
|
* Get the offset height or width of the label
|
*/
|
getLabelSize: function () {
|
var label = this.label,
|
axis = this.axis;
|
return label ?
|
label.getBBox()[axis.horiz ? 'height' : 'width'] :
|
0;
|
},
|
|
/**
|
* Find how far the labels extend to the right and left of the tick's x position. Used for anti-collision
|
* detection with overflow logic.
|
*/
|
getLabelSides: function () {
|
var bBox = this.label.getBBox(),
|
axis = this.axis,
|
horiz = axis.horiz,
|
options = axis.options,
|
labelOptions = options.labels,
|
size = horiz ? bBox.width : bBox.height,
|
leftSide = horiz ?
|
labelOptions.x - size * { left: 0, center: 0.5, right: 1 }[axis.labelAlign] :
|
0,
|
rightSide = horiz ?
|
size + leftSide :
|
size;
|
|
return [leftSide, rightSide];
|
},
|
|
/**
|
* Handle the label overflow by adjusting the labels to the left and right edge, or
|
* hide them if they collide into the neighbour label.
|
*/
|
handleOverflow: function (index, xy) {
|
var show = true,
|
axis = this.axis,
|
isFirst = this.isFirst,
|
isLast = this.isLast,
|
horiz = axis.horiz,
|
pxPos = horiz ? xy.x : xy.y,
|
reversed = axis.reversed,
|
tickPositions = axis.tickPositions,
|
sides = this.getLabelSides(),
|
leftSide = sides[0],
|
rightSide = sides[1],
|
axisLeft,
|
axisRight,
|
neighbour,
|
neighbourEdge,
|
line = this.label.line || 0,
|
labelEdge = axis.labelEdge,
|
justifyLabel = axis.justifyLabels && (isFirst || isLast),
|
justifyToPlot;
|
|
// Hide it if it now overlaps the neighbour label
|
if (labelEdge[line] === UNDEFINED || pxPos + leftSide > labelEdge[line]) {
|
labelEdge[line] = pxPos + rightSide;
|
|
} else if (!justifyLabel) {
|
show = false;
|
}
|
|
if (justifyLabel) {
|
justifyToPlot = axis.justifyToPlot;
|
axisLeft = justifyToPlot ? axis.pos : 0;
|
axisRight = justifyToPlot ? axisLeft + axis.len : axis.chart.chartWidth;
|
|
// Find the firsth neighbour on the same line
|
do {
|
index += (isFirst ? 1 : -1);
|
neighbour = axis.ticks[tickPositions[index]];
|
} while (tickPositions[index] && (!neighbour || !neighbour.label || neighbour.label.line !== line)); // #3044
|
|
neighbourEdge = neighbour && neighbour.label.xy && neighbour.label.xy.x + neighbour.getLabelSides()[isFirst ? 0 : 1];
|
|
if ((isFirst && !reversed) || (isLast && reversed)) {
|
// Is the label spilling out to the left of the plot area?
|
if (pxPos + leftSide < axisLeft) {
|
|
// Align it to plot left
|
pxPos = axisLeft - leftSide;
|
|
// Hide it if it now overlaps the neighbour label
|
if (neighbour && pxPos + rightSide > neighbourEdge) {
|
show = false;
|
}
|
}
|
|
} else {
|
// Is the label spilling out to the right of the plot area?
|
if (pxPos + rightSide > axisRight) {
|
|
// Align it to plot right
|
pxPos = axisRight - rightSide;
|
|
// Hide it if it now overlaps the neighbour label
|
if (neighbour && pxPos + leftSide < neighbourEdge) {
|
show = false;
|
}
|
|
}
|
}
|
|
// Set the modified x position of the label
|
xy.x = pxPos;
|
}
|
return show;
|
},
|
|
/**
|
* Get the x and y position for ticks and labels
|
*/
|
getPosition: function (horiz, pos, tickmarkOffset, old) {
|
var axis = this.axis,
|
chart = axis.chart,
|
cHeight = (old && chart.oldChartHeight) || chart.chartHeight;
|
|
return {
|
x: horiz ?
|
axis.translate(pos + tickmarkOffset, null, null, old) + axis.transB :
|
axis.left + axis.offset + (axis.opposite ? ((old && chart.oldChartWidth) || chart.chartWidth) - axis.right - axis.left : 0),
|
|
y: horiz ?
|
cHeight - axis.bottom + axis.offset - (axis.opposite ? axis.height : 0) :
|
cHeight - axis.translate(pos + tickmarkOffset, null, null, old) - axis.transB
|
};
|
|
},
|
|
/**
|
* Get the x, y position of the tick label
|
*/
|
getLabelPosition: function (x, y, label, horiz, labelOptions, tickmarkOffset, index, step) {
|
var axis = this.axis,
|
transA = axis.transA,
|
reversed = axis.reversed,
|
staggerLines = axis.staggerLines;
|
|
x = x + labelOptions.x - (tickmarkOffset && horiz ?
|
tickmarkOffset * transA * (reversed ? -1 : 1) : 0);
|
y = y + this.yOffset - (tickmarkOffset && !horiz ?
|
tickmarkOffset * transA * (reversed ? 1 : -1) : 0);
|
|
// Correct for staggered labels
|
if (staggerLines) {
|
label.line = (index / (step || 1) % staggerLines);
|
y += label.line * (axis.labelOffset / staggerLines);
|
}
|
|
return {
|
x: x,
|
y: y
|
};
|
},
|
|
/**
|
* Extendible method to return the path of the marker
|
*/
|
getMarkPath: function (x, y, tickLength, tickWidth, horiz, renderer) {
|
return renderer.crispLine([
|
M,
|
x,
|
y,
|
L,
|
x + (horiz ? 0 : -tickLength),
|
y + (horiz ? tickLength : 0)
|
], tickWidth);
|
},
|
|
/**
|
* Put everything in place
|
*
|
* @param index {Number}
|
* @param old {Boolean} Use old coordinates to prepare an animation into new position
|
*/
|
render: function (index, old, opacity) {
|
var tick = this,
|
axis = tick.axis,
|
options = axis.options,
|
chart = axis.chart,
|
renderer = chart.renderer,
|
horiz = axis.horiz,
|
type = tick.type,
|
label = tick.label,
|
pos = tick.pos,
|
labelOptions = options.labels,
|
gridLine = tick.gridLine,
|
gridPrefix = type ? type + 'Grid' : 'grid',
|
tickPrefix = type ? type + 'Tick' : 'tick',
|
gridLineWidth = options[gridPrefix + 'LineWidth'],
|
gridLineColor = options[gridPrefix + 'LineColor'],
|
dashStyle = options[gridPrefix + 'LineDashStyle'],
|
tickLength = options[tickPrefix + 'Length'],
|
tickWidth = options[tickPrefix + 'Width'] || 0,
|
tickColor = options[tickPrefix + 'Color'],
|
tickPosition = options[tickPrefix + 'Position'],
|
gridLinePath,
|
mark = tick.mark,
|
markPath,
|
step = labelOptions.step,
|
attribs,
|
show = true,
|
tickmarkOffset = axis.tickmarkOffset,
|
xy = tick.getPosition(horiz, pos, tickmarkOffset, old),
|
x = xy.x,
|
y = xy.y,
|
reverseCrisp = ((horiz && x === axis.pos + axis.len) || (!horiz && y === axis.pos)) ? -1 : 1; // #1480, #1687
|
|
opacity = pick(opacity, 1);
|
this.isActive = true;
|
|
// create the grid line
|
if (gridLineWidth) {
|
gridLinePath = axis.getPlotLinePath(pos + tickmarkOffset, gridLineWidth * reverseCrisp, old, true);
|
|
if (gridLine === UNDEFINED) {
|
attribs = {
|
stroke: gridLineColor,
|
'stroke-width': gridLineWidth
|
};
|
if (dashStyle) {
|
attribs.dashstyle = dashStyle;
|
}
|
if (!type) {
|
attribs.zIndex = 1;
|
}
|
if (old) {
|
attribs.opacity = 0;
|
}
|
tick.gridLine = gridLine =
|
gridLineWidth ?
|
renderer.path(gridLinePath)
|
.attr(attribs).add(axis.gridGroup) :
|
null;
|
}
|
|
// If the parameter 'old' is set, the current call will be followed
|
// by another call, therefore do not do any animations this time
|
if (!old && gridLine && gridLinePath) {
|
gridLine[tick.isNew ? 'attr' : 'animate']({
|
d: gridLinePath,
|
opacity: opacity
|
});
|
}
|
}
|
|
// create the tick mark
|
if (tickWidth && tickLength) {
|
|
// negate the length
|
if (tickPosition === 'inside') {
|
tickLength = -tickLength;
|
}
|
if (axis.opposite) {
|
tickLength = -tickLength;
|
}
|
|
markPath = tick.getMarkPath(x, y, tickLength, tickWidth * reverseCrisp, horiz, renderer);
|
if (mark) { // updating
|
mark.animate({
|
d: markPath,
|
opacity: opacity
|
});
|
} else { // first time
|
tick.mark = renderer.path(
|
markPath
|
).attr({
|
stroke: tickColor,
|
'stroke-width': tickWidth,
|
opacity: opacity
|
}).add(axis.axisGroup);
|
}
|
}
|
|
// the label is created on init - now move it into place
|
if (label && !isNaN(x)) {
|
label.xy = xy = tick.getLabelPosition(x, y, label, horiz, labelOptions, tickmarkOffset, index, step);
|
|
// Apply show first and show last. If the tick is both first and last, it is
|
// a single centered tick, in which case we show the label anyway (#2100).
|
if ((tick.isFirst && !tick.isLast && !pick(options.showFirstLabel, 1)) ||
|
(tick.isLast && !tick.isFirst && !pick(options.showLastLabel, 1))) {
|
show = false;
|
|
// Handle label overflow and show or hide accordingly
|
} else if (!axis.isRadial && !labelOptions.step && !labelOptions.rotation && !old && opacity !== 0) {
|
show = tick.handleOverflow(index, xy);
|
}
|
|
// apply step
|
if (step && index % step) {
|
// show those indices dividable by step
|
show = false;
|
}
|
|
// Set the new position, and show or hide
|
if (show && !isNaN(xy.y)) {
|
xy.opacity = opacity;
|
label[tick.isNew ? 'attr' : 'animate'](xy);
|
tick.isNew = false;
|
} else {
|
label.attr('y', -9999); // #1338
|
}
|
}
|
},
|
|
/**
|
* Destructor for the tick prototype
|
*/
|
destroy: function () {
|
destroyObjectProperties(this, this.axis);
|
}
|
};
|
|
/**
|
* The object wrapper for plot lines and plot bands
|
* @param {Object} options
|
*/
|
Highcharts.PlotLineOrBand = function (axis, options) {
|
this.axis = axis;
|
|
if (options) {
|
this.options = options;
|
this.id = options.id;
|
}
|
};
|
|
Highcharts.PlotLineOrBand.prototype = {
|
|
/**
|
* Render the plot line or plot band. If it is already existing,
|
* move it.
|
*/
|
render: function () {
|
var plotLine = this,
|
axis = plotLine.axis,
|
horiz = axis.horiz,
|
halfPointRange = (axis.pointRange || 0) / 2,
|
options = plotLine.options,
|
optionsLabel = options.label,
|
label = plotLine.label,
|
width = options.width,
|
to = options.to,
|
from = options.from,
|
isBand = defined(from) && defined(to),
|
value = options.value,
|
dashStyle = options.dashStyle,
|
svgElem = plotLine.svgElem,
|
path = [],
|
addEvent,
|
eventType,
|
xs,
|
ys,
|
x,
|
y,
|
color = options.color,
|
zIndex = options.zIndex,
|
events = options.events,
|
attribs = {},
|
renderer = axis.chart.renderer;
|
|
// logarithmic conversion
|
if (axis.isLog) {
|
from = log2lin(from);
|
to = log2lin(to);
|
value = log2lin(value);
|
}
|
|
// plot line
|
if (width) {
|
path = axis.getPlotLinePath(value, width);
|
attribs = {
|
stroke: color,
|
'stroke-width': width
|
};
|
if (dashStyle) {
|
attribs.dashstyle = dashStyle;
|
}
|
} else if (isBand) { // plot band
|
|
// keep within plot area
|
from = mathMax(from, axis.min - halfPointRange);
|
to = mathMin(to, axis.max + halfPointRange);
|
|
path = axis.getPlotBandPath(from, to, options);
|
if (color) {
|
attribs.fill = color;
|
}
|
if (options.borderWidth) {
|
attribs.stroke = options.borderColor;
|
attribs['stroke-width'] = options.borderWidth;
|
}
|
} else {
|
return;
|
}
|
// zIndex
|
if (defined(zIndex)) {
|
attribs.zIndex = zIndex;
|
}
|
|
// common for lines and bands
|
if (svgElem) {
|
if (path) {
|
svgElem.animate({
|
d: path
|
}, null, svgElem.onGetPath);
|
} else {
|
svgElem.hide();
|
svgElem.onGetPath = function () {
|
svgElem.show();
|
};
|
if (label) {
|
plotLine.label = label = label.destroy();
|
}
|
}
|
} else if (path && path.length) {
|
plotLine.svgElem = svgElem = renderer.path(path)
|
.attr(attribs).add();
|
|
// events
|
if (events) {
|
addEvent = function (eventType) {
|
svgElem.on(eventType, function (e) {
|
events[eventType].apply(plotLine, [e]);
|
});
|
};
|
for (eventType in events) {
|
addEvent(eventType);
|
}
|
}
|
}
|
|
// the plot band/line label
|
if (optionsLabel && defined(optionsLabel.text) && path && path.length && axis.width > 0 && axis.height > 0) {
|
// apply defaults
|
optionsLabel = merge({
|
align: horiz && isBand && 'center',
|
x: horiz ? !isBand && 4 : 10,
|
verticalAlign : !horiz && isBand && 'middle',
|
y: horiz ? isBand ? 16 : 10 : isBand ? 6 : -4,
|
rotation: horiz && !isBand && 90
|
}, optionsLabel);
|
|
// add the SVG element
|
if (!label) {
|
attribs = {
|
align: optionsLabel.textAlign || optionsLabel.align,
|
rotation: optionsLabel.rotation
|
};
|
if (defined(zIndex)) {
|
attribs.zIndex = zIndex;
|
}
|
plotLine.label = label = renderer.text(
|
optionsLabel.text,
|
0,
|
0,
|
optionsLabel.useHTML
|
)
|
.attr(attribs)
|
.css(optionsLabel.style)
|
.add();
|
}
|
|
// get the bounding box and align the label
|
// #3000 changed to better handle choice between plotband or plotline
|
xs = [path[1], path[4], (isBand ? path[6] : path[1])];
|
ys = [path[2], path[5], (isBand ? path[7] : path[2])];
|
x = arrayMin(xs);
|
y = arrayMin(ys);
|
|
label.align(optionsLabel, false, {
|
x: x,
|
y: y,
|
width: arrayMax(xs) - x,
|
height: arrayMax(ys) - y
|
});
|
label.show();
|
|
} else if (label) { // move out of sight
|
label.hide();
|
}
|
|
// chainable
|
return plotLine;
|
},
|
|
/**
|
* Remove the plot line or band
|
*/
|
destroy: function () {
|
// remove it from the lookup
|
erase(this.axis.plotLinesAndBands, this);
|
|
delete this.axis;
|
destroyObjectProperties(this);
|
}
|
};
|
|
/**
|
* Object with members for extending the Axis prototype
|
*/
|
|
AxisPlotLineOrBandExtension = {
|
|
/**
|
* Create the path for a plot band
|
*/
|
getPlotBandPath: function (from, to) {
|
var toPath = this.getPlotLinePath(to),
|
path = this.getPlotLinePath(from);
|
|
if (path && toPath) {
|
path.push(
|
toPath[4],
|
toPath[5],
|
toPath[1],
|
toPath[2]
|
);
|
} else { // outside the axis area
|
path = null;
|
}
|
|
return path;
|
},
|
|
addPlotBand: function (options) {
|
return this.addPlotBandOrLine(options, 'plotBands');
|
},
|
|
addPlotLine: function (options) {
|
return this.addPlotBandOrLine(options, 'plotLines');
|
},
|
|
/**
|
* Add a plot band or plot line after render time
|
*
|
* @param options {Object} The plotBand or plotLine configuration object
|
*/
|
addPlotBandOrLine: function (options, coll) {
|
var obj = new Highcharts.PlotLineOrBand(this, options).render(),
|
userOptions = this.userOptions;
|
|
if (obj) { // #2189
|
// Add it to the user options for exporting and Axis.update
|
if (coll) {
|
userOptions[coll] = userOptions[coll] || [];
|
userOptions[coll].push(options);
|
}
|
this.plotLinesAndBands.push(obj);
|
}
|
|
return obj;
|
},
|
|
/**
|
* Remove a plot band or plot line from the chart by id
|
* @param {Object} id
|
*/
|
removePlotBandOrLine: function (id) {
|
var plotLinesAndBands = this.plotLinesAndBands,
|
options = this.options,
|
userOptions = this.userOptions,
|
i = plotLinesAndBands.length;
|
while (i--) {
|
if (plotLinesAndBands[i].id === id) {
|
plotLinesAndBands[i].destroy();
|
}
|
}
|
each([options.plotLines || [], userOptions.plotLines || [], options.plotBands || [], userOptions.plotBands || []], function (arr) {
|
i = arr.length;
|
while (i--) {
|
if (arr[i].id === id) {
|
erase(arr, arr[i]);
|
}
|
}
|
});
|
}
|
};
|
|
/**
|
* Create a new axis object
|
* @param {Object} chart
|
* @param {Object} options
|
*/
|
function Axis() {
|
this.init.apply(this, arguments);
|
}
|
|
Axis.prototype = {
|
|
/**
|
* Default options for the X axis - the Y axis has extended defaults
|
*/
|
defaultOptions: {
|
// allowDecimals: null,
|
// alternateGridColor: null,
|
// categories: [],
|
dateTimeLabelFormats: {
|
millisecond: '%H:%M:%S.%L',
|
second: '%H:%M:%S',
|
minute: '%H:%M',
|
hour: '%H:%M',
|
day: '%e. %b',
|
week: '%e. %b',
|
month: '%b \'%y',
|
year: '%Y'
|
},
|
endOnTick: false,
|
gridLineColor: '#C0C0C0',
|
// gridLineDashStyle: 'solid',
|
// gridLineWidth: 0,
|
// reversed: false,
|
|
labels: defaultLabelOptions,
|
// { step: null },
|
lineColor: '#C0D0E0',
|
lineWidth: 1,
|
//linkedTo: null,
|
//max: undefined,
|
//min: undefined,
|
minPadding: 0.01,
|
maxPadding: 0.01,
|
//minRange: null,
|
minorGridLineColor: '#E0E0E0',
|
// minorGridLineDashStyle: null,
|
minorGridLineWidth: 1,
|
minorTickColor: '#A0A0A0',
|
//minorTickInterval: null,
|
minorTickLength: 2,
|
minorTickPosition: 'outside', // inside or outside
|
//minorTickWidth: 0,
|
//opposite: false,
|
//offset: 0,
|
//plotBands: [{
|
// events: {},
|
// zIndex: 1,
|
// labels: { align, x, verticalAlign, y, style, rotation, textAlign }
|
//}],
|
//plotLines: [{
|
// events: {}
|
// dashStyle: {}
|
// zIndex:
|
// labels: { align, x, verticalAlign, y, style, rotation, textAlign }
|
//}],
|
//reversed: false,
|
// showFirstLabel: true,
|
// showLastLabel: true,
|
startOfWeek: 1,
|
startOnTick: false,
|
tickColor: '#C0D0E0',
|
//tickInterval: null,
|
tickLength: 10,
|
tickmarkPlacement: 'between', // on or between
|
tickPixelInterval: 100,
|
tickPosition: 'outside',
|
tickWidth: 1,
|
title: {
|
//text: null,
|
align: 'middle', // low, middle or high
|
//margin: 0 for horizontal, 10 for vertical axes,
|
//rotation: 0,
|
//side: 'outside',
|
style: {
|
color: '#707070'
|
}
|
//x: 0,
|
//y: 0
|
},
|
type: 'linear' // linear, logarithmic or datetime
|
},
|
|
/**
|
* This options set extends the defaultOptions for Y axes
|
*/
|
defaultYAxisOptions: {
|
endOnTick: true,
|
gridLineWidth: 1,
|
tickPixelInterval: 72,
|
showLastLabel: true,
|
labels: {
|
x: -8,
|
y: 3
|
},
|
lineWidth: 0,
|
maxPadding: 0.05,
|
minPadding: 0.05,
|
startOnTick: true,
|
tickWidth: 0,
|
title: {
|
rotation: 270,
|
text: 'Values'
|
},
|
stackLabels: {
|
enabled: false,
|
//align: dynamic,
|
//y: dynamic,
|
//x: dynamic,
|
//verticalAlign: dynamic,
|
//textAlign: dynamic,
|
//rotation: 0,
|
formatter: function () {
|
return numberFormat(this.total, -1);
|
},
|
style: defaultLabelOptions.style
|
}
|
},
|
|
/**
|
* These options extend the defaultOptions for left axes
|
*/
|
defaultLeftAxisOptions: {
|
labels: {
|
x: -15,
|
y: null
|
},
|
title: {
|
rotation: 270
|
}
|
},
|
|
/**
|
* These options extend the defaultOptions for right axes
|
*/
|
defaultRightAxisOptions: {
|
labels: {
|
x: 15,
|
y: null
|
},
|
title: {
|
rotation: 90
|
}
|
},
|
|
/**
|
* These options extend the defaultOptions for bottom axes
|
*/
|
defaultBottomAxisOptions: {
|
labels: {
|
x: 0,
|
y: null // based on font size
|
// overflow: undefined,
|
// staggerLines: null
|
},
|
title: {
|
rotation: 0
|
}
|
},
|
/**
|
* These options extend the defaultOptions for left axes
|
*/
|
defaultTopAxisOptions: {
|
labels: {
|
x: 0,
|
y: -15
|
// overflow: undefined
|
// staggerLines: null
|
},
|
title: {
|
rotation: 0
|
}
|
},
|
|
/**
|
* Initialize the axis
|
*/
|
init: function (chart, userOptions) {
|
|
|
var isXAxis = userOptions.isX,
|
axis = this;
|
|
// Flag, is the axis horizontal
|
axis.horiz = chart.inverted ? !isXAxis : isXAxis;
|
|
// Flag, isXAxis
|
axis.isXAxis = isXAxis;
|
axis.coll = isXAxis ? 'xAxis' : 'yAxis';
|
|
axis.opposite = userOptions.opposite; // needed in setOptions
|
axis.side = userOptions.side || (axis.horiz ?
|
(axis.opposite ? 0 : 2) : // top : bottom
|
(axis.opposite ? 1 : 3)); // right : left
|
|
axis.setOptions(userOptions);
|
|
|
var options = this.options,
|
type = options.type,
|
isDatetimeAxis = type === 'datetime';
|
|
axis.labelFormatter = options.labels.formatter || axis.defaultLabelFormatter; // can be overwritten by dynamic format
|
|
|
// Flag, stagger lines or not
|
axis.userOptions = userOptions;
|
|
//axis.axisTitleMargin = UNDEFINED,// = options.title.margin,
|
axis.minPixelPadding = 0;
|
//axis.ignoreMinPadding = UNDEFINED; // can be set to true by a column or bar series
|
//axis.ignoreMaxPadding = UNDEFINED;
|
|
axis.chart = chart;
|
axis.reversed = options.reversed;
|
axis.zoomEnabled = options.zoomEnabled !== false;
|
|
// Initial categories
|
axis.categories = options.categories || type === 'category';
|
axis.names = [];
|
|
// Elements
|
//axis.axisGroup = UNDEFINED;
|
//axis.gridGroup = UNDEFINED;
|
//axis.axisTitle = UNDEFINED;
|
//axis.axisLine = UNDEFINED;
|
|
// Shorthand types
|
axis.isLog = type === 'logarithmic';
|
axis.isDatetimeAxis = isDatetimeAxis;
|
|
// Flag, if axis is linked to another axis
|
axis.isLinked = defined(options.linkedTo);
|
// Linked axis.
|
//axis.linkedParent = UNDEFINED;
|
|
// Tick positions
|
//axis.tickPositions = UNDEFINED; // array containing predefined positions
|
// Tick intervals
|
//axis.tickInterval = UNDEFINED;
|
//axis.minorTickInterval = UNDEFINED;
|
|
axis.tickmarkOffset = (axis.categories && options.tickmarkPlacement === 'between') ? 0.5 : 0;
|
|
// Major ticks
|
axis.ticks = {};
|
axis.labelEdge = [];
|
// Minor ticks
|
axis.minorTicks = {};
|
//axis.tickAmount = UNDEFINED;
|
|
// List of plotLines/Bands
|
axis.plotLinesAndBands = [];
|
|
// Alternate bands
|
axis.alternateBands = {};
|
|
// Axis metrics
|
//axis.left = UNDEFINED;
|
//axis.top = UNDEFINED;
|
//axis.width = UNDEFINED;
|
//axis.height = UNDEFINED;
|
//axis.bottom = UNDEFINED;
|
//axis.right = UNDEFINED;
|
//axis.transA = UNDEFINED;
|
//axis.transB = UNDEFINED;
|
//axis.oldTransA = UNDEFINED;
|
axis.len = 0;
|
//axis.oldMin = UNDEFINED;
|
//axis.oldMax = UNDEFINED;
|
//axis.oldUserMin = UNDEFINED;
|
//axis.oldUserMax = UNDEFINED;
|
//axis.oldAxisLength = UNDEFINED;
|
axis.minRange = axis.userMinRange = options.minRange || options.maxZoom;
|
axis.range = options.range;
|
axis.offset = options.offset || 0;
|
|
|
// Dictionary for stacks
|
axis.stacks = {};
|
axis.oldStacks = {};
|
|
// Min and max in the data
|
//axis.dataMin = UNDEFINED,
|
//axis.dataMax = UNDEFINED,
|
|
// The axis range
|
axis.max = null;
|
axis.min = null;
|
|
// User set min and max
|
//axis.userMin = UNDEFINED,
|
//axis.userMax = UNDEFINED,
|
|
// Crosshair options
|
axis.crosshair = pick(options.crosshair, splat(chart.options.tooltip.crosshairs)[isXAxis ? 0 : 1], false);
|
// Run Axis
|
|
var eventType,
|
events = axis.options.events;
|
|
// Register
|
if (inArray(axis, chart.axes) === -1) { // don't add it again on Axis.update()
|
if (isXAxis && !this.isColorAxis) { // #2713
|
chart.axes.splice(chart.xAxis.length, 0, axis);
|
} else {
|
chart.axes.push(axis);
|
}
|
|
chart[axis.coll].push(axis);
|
}
|
|
axis.series = axis.series || []; // populated by Series
|
|
// inverted charts have reversed xAxes as default
|
if (chart.inverted && isXAxis && axis.reversed === UNDEFINED) {
|
axis.reversed = true;
|
}
|
|
axis.removePlotBand = axis.removePlotBandOrLine;
|
axis.removePlotLine = axis.removePlotBandOrLine;
|
|
|
// register event listeners
|
for (eventType in events) {
|
addEvent(axis, eventType, events[eventType]);
|
}
|
|
// extend logarithmic axis
|
if (axis.isLog) {
|
axis.val2lin = log2lin;
|
axis.lin2val = lin2log;
|
}
|
},
|
|
/**
|
* Merge and set options
|
*/
|
setOptions: function (userOptions) {
|
this.options = merge(
|
this.defaultOptions,
|
this.isXAxis ? {} : this.defaultYAxisOptions,
|
[this.defaultTopAxisOptions, this.defaultRightAxisOptions,
|
this.defaultBottomAxisOptions, this.defaultLeftAxisOptions][this.side],
|
merge(
|
defaultOptions[this.coll], // if set in setOptions (#1053)
|
userOptions
|
)
|
);
|
},
|
|
/**
|
* The default label formatter. The context is a special config object for the label.
|
*/
|
defaultLabelFormatter: function () {
|
var axis = this.axis,
|
value = this.value,
|
categories = axis.categories,
|
dateTimeLabelFormat = this.dateTimeLabelFormat,
|
numericSymbols = defaultOptions.lang.numericSymbols,
|
i = numericSymbols && numericSymbols.length,
|
multi,
|
ret,
|
formatOption = axis.options.labels.format,
|
|
// make sure the same symbol is added for all labels on a linear axis
|
numericSymbolDetector = axis.isLog ? value : axis.tickInterval;
|
|
if (formatOption) {
|
ret = format(formatOption, this);
|
|
} else if (categories) {
|
ret = value;
|
|
} else if (dateTimeLabelFormat) { // datetime axis
|
ret = dateFormat(dateTimeLabelFormat, value);
|
|
} else if (i && numericSymbolDetector >= 1000) {
|
// Decide whether we should add a numeric symbol like k (thousands) or M (millions).
|
// If we are to enable this in tooltip or other places as well, we can move this
|
// logic to the numberFormatter and enable it by a parameter.
|
while (i-- && ret === UNDEFINED) {
|
multi = Math.pow(1000, i + 1);
|
if (numericSymbolDetector >= multi && numericSymbols[i] !== null) {
|
ret = numberFormat(value / multi, -1) + numericSymbols[i];
|
}
|
}
|
}
|
|
if (ret === UNDEFINED) {
|
if (mathAbs(value) >= 10000) { // add thousands separators
|
ret = numberFormat(value, 0);
|
|
} else { // small numbers
|
ret = numberFormat(value, -1, UNDEFINED, ''); // #2466
|
}
|
}
|
|
return ret;
|
},
|
|
/**
|
* Get the minimum and maximum for the series of each axis
|
*/
|
getSeriesExtremes: function () {
|
var axis = this,
|
chart = axis.chart;
|
|
axis.hasVisibleSeries = false;
|
|
// reset dataMin and dataMax in case we're redrawing
|
axis.dataMin = axis.dataMax = null;
|
|
if (axis.buildStacks) {
|
axis.buildStacks();
|
}
|
|
// loop through this axis' series
|
each(axis.series, function (series) {
|
|
if (series.visible || !chart.options.chart.ignoreHiddenSeries) {
|
|
var seriesOptions = series.options,
|
xData,
|
threshold = seriesOptions.threshold,
|
seriesDataMin,
|
seriesDataMax;
|
|
axis.hasVisibleSeries = true;
|
|
// Validate threshold in logarithmic axes
|
if (axis.isLog && threshold <= 0) {
|
threshold = null;
|
}
|
|
// Get dataMin and dataMax for X axes
|
if (axis.isXAxis) {
|
xData = series.xData;
|
if (xData.length) {
|
axis.dataMin = mathMin(pick(axis.dataMin, xData[0]), arrayMin(xData));
|
axis.dataMax = mathMax(pick(axis.dataMax, xData[0]), arrayMax(xData));
|
}
|
|
// Get dataMin and dataMax for Y axes, as well as handle stacking and processed data
|
} else {
|
|
// Get this particular series extremes
|
series.getExtremes();
|
seriesDataMax = series.dataMax;
|
seriesDataMin = series.dataMin;
|
|
// Get the dataMin and dataMax so far. If percentage is used, the min and max are
|
// always 0 and 100. If seriesDataMin and seriesDataMax is null, then series
|
// doesn't have active y data, we continue with nulls
|
if (defined(seriesDataMin) && defined(seriesDataMax)) {
|
axis.dataMin = mathMin(pick(axis.dataMin, seriesDataMin), seriesDataMin);
|
axis.dataMax = mathMax(pick(axis.dataMax, seriesDataMax), seriesDataMax);
|
}
|
|
// Adjust to threshold
|
if (defined(threshold)) {
|
if (axis.dataMin >= threshold) {
|
axis.dataMin = threshold;
|
axis.ignoreMinPadding = true;
|
} else if (axis.dataMax < threshold) {
|
axis.dataMax = threshold;
|
axis.ignoreMaxPadding = true;
|
}
|
}
|
}
|
}
|
});
|
},
|
|
/**
|
* Translate from axis value to pixel position on the chart, or back
|
*
|
*/
|
translate: function (val, backwards, cvsCoord, old, handleLog, pointPlacement) {
|
var axis = this,
|
sign = 1,
|
cvsOffset = 0,
|
localA = old ? axis.oldTransA : axis.transA,
|
localMin = old ? axis.oldMin : axis.min,
|
returnValue,
|
minPixelPadding = axis.minPixelPadding,
|
postTranslate = (axis.options.ordinal || (axis.isLog && handleLog)) && axis.lin2val;
|
|
if (!localA) {
|
localA = axis.transA;
|
}
|
|
// In vertical axes, the canvas coordinates start from 0 at the top like in
|
// SVG.
|
if (cvsCoord) {
|
sign *= -1; // canvas coordinates inverts the value
|
cvsOffset = axis.len;
|
}
|
|
// Handle reversed axis
|
if (axis.reversed) {
|
sign *= -1;
|
cvsOffset -= sign * (axis.sector || axis.len);
|
}
|
|
// From pixels to value
|
if (backwards) { // reverse translation
|
|
val = val * sign + cvsOffset;
|
val -= minPixelPadding;
|
returnValue = val / localA + localMin; // from chart pixel to value
|
if (postTranslate) { // log and ordinal axes
|
returnValue = axis.lin2val(returnValue);
|
}
|
|
// From value to pixels
|
} else {
|
if (postTranslate) { // log and ordinal axes
|
val = axis.val2lin(val);
|
}
|
if (pointPlacement === 'between') {
|
pointPlacement = 0.5;
|
}
|
returnValue = sign * (val - localMin) * localA + cvsOffset + (sign * minPixelPadding) +
|
(isNumber(pointPlacement) ? localA * pointPlacement * axis.pointRange : 0);
|
}
|
|
return returnValue;
|
},
|
|
/**
|
* Utility method to translate an axis value to pixel position.
|
* @param {Number} value A value in terms of axis units
|
* @param {Boolean} paneCoordinates Whether to return the pixel coordinate relative to the chart
|
* or just the axis/pane itself.
|
*/
|
toPixels: function (value, paneCoordinates) {
|
return this.translate(value, false, !this.horiz, null, true) + (paneCoordinates ? 0 : this.pos);
|
},
|
|
/*
|
* Utility method to translate a pixel position in to an axis value
|
* @param {Number} pixel The pixel value coordinate
|
* @param {Boolean} paneCoordiantes Whether the input pixel is relative to the chart or just the
|
* axis/pane itself.
|
*/
|
toValue: function (pixel, paneCoordinates) {
|
return this.translate(pixel - (paneCoordinates ? 0 : this.pos), true, !this.horiz, null, true);
|
},
|
|
/**
|
* Create the path for a plot line that goes from the given value on
|
* this axis, across the plot to the opposite side
|
* @param {Number} value
|
* @param {Number} lineWidth Used for calculation crisp line
|
* @param {Number] old Use old coordinates (for resizing and rescaling)
|
*/
|
getPlotLinePath: function (value, lineWidth, old, force, translatedValue) {
|
var axis = this,
|
chart = axis.chart,
|
axisLeft = axis.left,
|
axisTop = axis.top,
|
x1,
|
y1,
|
x2,
|
y2,
|
cHeight = (old && chart.oldChartHeight) || chart.chartHeight,
|
cWidth = (old && chart.oldChartWidth) || chart.chartWidth,
|
skip,
|
transB = axis.transB;
|
|
translatedValue = pick(translatedValue, axis.translate(value, null, null, old));
|
x1 = x2 = mathRound(translatedValue + transB);
|
y1 = y2 = mathRound(cHeight - translatedValue - transB);
|
|
if (isNaN(translatedValue)) { // no min or max
|
skip = true;
|
|
} else if (axis.horiz) {
|
y1 = axisTop;
|
y2 = cHeight - axis.bottom;
|
if (x1 < axisLeft || x1 > axisLeft + axis.width) {
|
skip = true;
|
}
|
} else {
|
x1 = axisLeft;
|
x2 = cWidth - axis.right;
|
|
if (y1 < axisTop || y1 > axisTop + axis.height) {
|
skip = true;
|
}
|
}
|
return skip && !force ?
|
null :
|
chart.renderer.crispLine([M, x1, y1, L, x2, y2], lineWidth || 1);
|
},
|
|
/**
|
* Set the tick positions of a linear axis to round values like whole tens or every five.
|
*/
|
getLinearTickPositions: function (tickInterval, min, max) {
|
var pos,
|
lastPos,
|
roundedMin = correctFloat(mathFloor(min / tickInterval) * tickInterval),
|
roundedMax = correctFloat(mathCeil(max / tickInterval) * tickInterval),
|
tickPositions = [];
|
|
// For single points, add a tick regardless of the relative position (#2662)
|
if (min === max && isNumber(min)) {
|
return [min];
|
}
|
|
// Populate the intermediate values
|
pos = roundedMin;
|
while (pos <= roundedMax) {
|
|
// Place the tick on the rounded value
|
tickPositions.push(pos);
|
|
// Always add the raw tickInterval, not the corrected one.
|
pos = correctFloat(pos + tickInterval);
|
|
// If the interval is not big enough in the current min - max range to actually increase
|
// the loop variable, we need to break out to prevent endless loop. Issue #619
|
if (pos === lastPos) {
|
break;
|
}
|
|
// Record the last value
|
lastPos = pos;
|
}
|
return tickPositions;
|
},
|
|
/**
|
* Return the minor tick positions. For logarithmic axes, reuse the same logic
|
* as for major ticks.
|
*/
|
getMinorTickPositions: function () {
|
var axis = this,
|
options = axis.options,
|
tickPositions = axis.tickPositions,
|
minorTickInterval = axis.minorTickInterval,
|
minorTickPositions = [],
|
pos,
|
i,
|
len;
|
|
if (axis.isLog) {
|
len = tickPositions.length;
|
for (i = 1; i < len; i++) {
|
minorTickPositions = minorTickPositions.concat(
|
axis.getLogTickPositions(minorTickInterval, tickPositions[i - 1], tickPositions[i], true)
|
);
|
}
|
} else if (axis.isDatetimeAxis && options.minorTickInterval === 'auto') { // #1314
|
minorTickPositions = minorTickPositions.concat(
|
axis.getTimeTicks(
|
axis.normalizeTimeTickInterval(minorTickInterval),
|
axis.min,
|
axis.max,
|
options.startOfWeek
|
)
|
);
|
if (minorTickPositions[0] < axis.min) {
|
minorTickPositions.shift();
|
}
|
} else {
|
for (pos = axis.min + (tickPositions[0] - axis.min) % minorTickInterval; pos <= axis.max; pos += minorTickInterval) {
|
minorTickPositions.push(pos);
|
}
|
}
|
return minorTickPositions;
|
},
|
|
/**
|
* Adjust the min and max for the minimum range. Keep in mind that the series data is
|
* not yet processed, so we don't have information on data cropping and grouping, or
|
* updated axis.pointRange or series.pointRange. The data can't be processed until
|
* we have finally established min and max.
|
*/
|
adjustForMinRange: function () {
|
var axis = this,
|
options = axis.options,
|
min = axis.min,
|
max = axis.max,
|
zoomOffset,
|
spaceAvailable = axis.dataMax - axis.dataMin >= axis.minRange,
|
closestDataRange,
|
i,
|
distance,
|
xData,
|
loopLength,
|
minArgs,
|
maxArgs;
|
|
// Set the automatic minimum range based on the closest point distance
|
if (axis.isXAxis && axis.minRange === UNDEFINED && !axis.isLog) {
|
|
if (defined(options.min) || defined(options.max)) {
|
axis.minRange = null; // don't do this again
|
|
} else {
|
|
// Find the closest distance between raw data points, as opposed to
|
// closestPointRange that applies to processed points (cropped and grouped)
|
each(axis.series, function (series) {
|
xData = series.xData;
|
loopLength = series.xIncrement ? 1 : xData.length - 1;
|
for (i = loopLength; i > 0; i--) {
|
distance = xData[i] - xData[i - 1];
|
if (closestDataRange === UNDEFINED || distance < closestDataRange) {
|
closestDataRange = distance;
|
}
|
}
|
});
|
axis.minRange = mathMin(closestDataRange * 5, axis.dataMax - axis.dataMin);
|
}
|
}
|
|
// if minRange is exceeded, adjust
|
if (max - min < axis.minRange) {
|
var minRange = axis.minRange;
|
zoomOffset = (minRange - max + min) / 2;
|
|
// if min and max options have been set, don't go beyond it
|
minArgs = [min - zoomOffset, pick(options.min, min - zoomOffset)];
|
if (spaceAvailable) { // if space is available, stay within the data range
|
minArgs[2] = axis.dataMin;
|
}
|
min = arrayMax(minArgs);
|
|
maxArgs = [min + minRange, pick(options.max, min + minRange)];
|
if (spaceAvailable) { // if space is availabe, stay within the data range
|
maxArgs[2] = axis.dataMax;
|
}
|
|
max = arrayMin(maxArgs);
|
|
// now if the max is adjusted, adjust the min back
|
if (max - min < minRange) {
|
minArgs[0] = max - minRange;
|
minArgs[1] = pick(options.min, max - minRange);
|
min = arrayMax(minArgs);
|
}
|
}
|
|
// Record modified extremes
|
axis.min = min;
|
axis.max = max;
|
},
|
|
/**
|
* Update translation information
|
*/
|
setAxisTranslation: function (saveOld) {
|
var axis = this,
|
range = axis.max - axis.min,
|
pointRange = axis.axisPointRange || 0,
|
closestPointRange,
|
minPointOffset = 0,
|
pointRangePadding = 0,
|
linkedParent = axis.linkedParent,
|
ordinalCorrection,
|
hasCategories = !!axis.categories,
|
transA = axis.transA;
|
|
// Adjust translation for padding. Y axis with categories need to go through the same (#1784).
|
if (axis.isXAxis || hasCategories || pointRange) {
|
if (linkedParent) {
|
minPointOffset = linkedParent.minPointOffset;
|
pointRangePadding = linkedParent.pointRangePadding;
|
|
} else {
|
each(axis.series, function (series) {
|
var seriesPointRange = hasCategories ? 1 : (axis.isXAxis ? series.pointRange : (axis.axisPointRange || 0)), // #2806
|
pointPlacement = series.options.pointPlacement,
|
seriesClosestPointRange = series.closestPointRange;
|
|
if (seriesPointRange > range) { // #1446
|
seriesPointRange = 0;
|
}
|
pointRange = mathMax(pointRange, seriesPointRange);
|
|
// minPointOffset is the value padding to the left of the axis in order to make
|
// room for points with a pointRange, typically columns. When the pointPlacement option
|
// is 'between' or 'on', this padding does not apply.
|
minPointOffset = mathMax(
|
minPointOffset,
|
isString(pointPlacement) ? 0 : seriesPointRange / 2
|
);
|
|
// Determine the total padding needed to the length of the axis to make room for the
|
// pointRange. If the series' pointPlacement is 'on', no padding is added.
|
pointRangePadding = mathMax(
|
pointRangePadding,
|
pointPlacement === 'on' ? 0 : seriesPointRange
|
);
|
|
// Set the closestPointRange
|
if (!series.noSharedTooltip && defined(seriesClosestPointRange)) {
|
closestPointRange = defined(closestPointRange) ?
|
mathMin(closestPointRange, seriesClosestPointRange) :
|
seriesClosestPointRange;
|
}
|
});
|
}
|
|
// Record minPointOffset and pointRangePadding
|
ordinalCorrection = axis.ordinalSlope && closestPointRange ? axis.ordinalSlope / closestPointRange : 1; // #988, #1853
|
axis.minPointOffset = minPointOffset = minPointOffset * ordinalCorrection;
|
axis.pointRangePadding = pointRangePadding = pointRangePadding * ordinalCorrection;
|
|
// pointRange means the width reserved for each point, like in a column chart
|
axis.pointRange = mathMin(pointRange, range);
|
|
// closestPointRange means the closest distance between points. In columns
|
// it is mostly equal to pointRange, but in lines pointRange is 0 while closestPointRange
|
// is some other value
|
axis.closestPointRange = closestPointRange;
|
}
|
|
// Secondary values
|
if (saveOld) {
|
axis.oldTransA = transA;
|
}
|
axis.translationSlope = axis.transA = transA = axis.len / ((range + pointRangePadding) || 1);
|
axis.transB = axis.horiz ? axis.left : axis.bottom; // translation addend
|
axis.minPixelPadding = transA * minPointOffset;
|
},
|
|
/**
|
* Set the tick positions to round values and optionally extend the extremes
|
* to the nearest tick
|
*/
|
setTickPositions: function (secondPass) {
|
var axis = this,
|
chart = axis.chart,
|
options = axis.options,
|
startOnTick = options.startOnTick,
|
endOnTick = options.endOnTick,
|
isLog = axis.isLog,
|
isDatetimeAxis = axis.isDatetimeAxis,
|
isXAxis = axis.isXAxis,
|
isLinked = axis.isLinked,
|
tickPositioner = axis.options.tickPositioner,
|
maxPadding = options.maxPadding,
|
minPadding = options.minPadding,
|
length,
|
linkedParentExtremes,
|
tickIntervalOption = options.tickInterval,
|
minTickIntervalOption = options.minTickInterval,
|
tickPixelIntervalOption = options.tickPixelInterval,
|
tickPositions,
|
keepTwoTicksOnly,
|
categories = axis.categories;
|
|
// linked axis gets the extremes from the parent axis
|
if (isLinked) {
|
axis.linkedParent = chart[axis.coll][options.linkedTo];
|
linkedParentExtremes = axis.linkedParent.getExtremes();
|
axis.min = pick(linkedParentExtremes.min, linkedParentExtremes.dataMin);
|
axis.max = pick(linkedParentExtremes.max, linkedParentExtremes.dataMax);
|
if (options.type !== axis.linkedParent.options.type) {
|
error(11, 1); // Can't link axes of different type
|
}
|
} else { // initial min and max from the extreme data values
|
axis.min = pick(axis.userMin, options.min, axis.dataMin);
|
axis.max = pick(axis.userMax, options.max, axis.dataMax);
|
}
|
|
if (isLog) {
|
if (!secondPass && mathMin(axis.min, pick(axis.dataMin, axis.min)) <= 0) { // #978
|
error(10, 1); // Can't plot negative values on log axis
|
}
|
axis.min = correctFloat(log2lin(axis.min)); // correctFloat cures #934
|
axis.max = correctFloat(log2lin(axis.max));
|
}
|
|
// handle zoomed range
|
if (axis.range && defined(axis.max)) {
|
axis.userMin = axis.min = mathMax(axis.min, axis.max - axis.range); // #618
|
axis.userMax = axis.max;
|
|
axis.range = null; // don't use it when running setExtremes
|
}
|
|
// Hook for adjusting this.min and this.max. Used by bubble series.
|
if (axis.beforePadding) {
|
axis.beforePadding();
|
}
|
|
// adjust min and max for the minimum range
|
axis.adjustForMinRange();
|
|
// Pad the values to get clear of the chart's edges. To avoid tickInterval taking the padding
|
// into account, we do this after computing tick interval (#1337).
|
if (!categories && !axis.axisPointRange && !axis.usePercentage && !isLinked && defined(axis.min) && defined(axis.max)) {
|
length = axis.max - axis.min;
|
if (length) {
|
if (!defined(options.min) && !defined(axis.userMin) && minPadding && (axis.dataMin < 0 || !axis.ignoreMinPadding)) {
|
axis.min -= length * minPadding;
|
}
|
if (!defined(options.max) && !defined(axis.userMax) && maxPadding && (axis.dataMax > 0 || !axis.ignoreMaxPadding)) {
|
axis.max += length * maxPadding;
|
}
|
}
|
}
|
|
// Stay within floor and ceiling
|
if (isNumber(options.floor)) {
|
axis.min = mathMax(axis.min, options.floor);
|
}
|
if (isNumber(options.ceiling)) {
|
axis.max = mathMin(axis.max, options.ceiling);
|
}
|
|
// get tickInterval
|
if (axis.min === axis.max || axis.min === undefined || axis.max === undefined) {
|
axis.tickInterval = 1;
|
} else if (isLinked && !tickIntervalOption &&
|
tickPixelIntervalOption === axis.linkedParent.options.tickPixelInterval) {
|
axis.tickInterval = axis.linkedParent.tickInterval;
|
} else {
|
axis.tickInterval = pick(
|
tickIntervalOption,
|
categories ? // for categoried axis, 1 is default, for linear axis use tickPix
|
1 :
|
// don't let it be more than the data range
|
(axis.max - axis.min) * tickPixelIntervalOption / mathMax(axis.len, tickPixelIntervalOption)
|
);
|
// For squished axes, set only two ticks
|
if (!defined(tickIntervalOption) && axis.len < tickPixelIntervalOption && !this.isRadial &&
|
!this.isLog && !categories && startOnTick && endOnTick) {
|
keepTwoTicksOnly = true;
|
axis.tickInterval /= 4; // tick extremes closer to the real values
|
}
|
}
|
|
// Now we're finished detecting min and max, crop and group series data. This
|
// is in turn needed in order to find tick positions in ordinal axes.
|
if (isXAxis && !secondPass) {
|
each(axis.series, function (series) {
|
series.processData(axis.min !== axis.oldMin || axis.max !== axis.oldMax);
|
});
|
}
|
|
// set the translation factor used in translate function
|
axis.setAxisTranslation(true);
|
|
// hook for ordinal axes and radial axes
|
if (axis.beforeSetTickPositions) {
|
axis.beforeSetTickPositions();
|
}
|
|
// hook for extensions, used in Highstock ordinal axes
|
if (axis.postProcessTickInterval) {
|
axis.tickInterval = axis.postProcessTickInterval(axis.tickInterval);
|
}
|
|
// In column-like charts, don't cramp in more ticks than there are points (#1943)
|
if (axis.pointRange) {
|
axis.tickInterval = mathMax(axis.pointRange, axis.tickInterval);
|
}
|
|
// Before normalizing the tick interval, handle minimum tick interval. This applies only if tickInterval is not defined.
|
if (!tickIntervalOption && axis.tickInterval < minTickIntervalOption) {
|
axis.tickInterval = minTickIntervalOption;
|
}
|
|
// for linear axes, get magnitude and normalize the interval
|
if (!isDatetimeAxis && !isLog) { // linear
|
if (!tickIntervalOption) {
|
axis.tickInterval = normalizeTickInterval(axis.tickInterval, null, getMagnitude(axis.tickInterval), options);
|
}
|
}
|
|
// get minorTickInterval
|
axis.minorTickInterval = options.minorTickInterval === 'auto' && axis.tickInterval ?
|
axis.tickInterval / 5 : options.minorTickInterval;
|
|
// find the tick positions
|
axis.tickPositions = tickPositions = options.tickPositions ?
|
[].concat(options.tickPositions) : // Work on a copy (#1565)
|
(tickPositioner && tickPositioner.apply(axis, [axis.min, axis.max]));
|
if (!tickPositions) {
|
|
// Too many ticks
|
if (!axis.ordinalPositions && (axis.max - axis.min) / axis.tickInterval > mathMax(2 * axis.len, 200)) {
|
error(19, true);
|
}
|
|
if (isDatetimeAxis) {
|
tickPositions = axis.getTimeTicks(
|
axis.normalizeTimeTickInterval(axis.tickInterval, options.units),
|
axis.min,
|
axis.max,
|
options.startOfWeek,
|
axis.ordinalPositions,
|
axis.closestPointRange,
|
true
|
);
|
} else if (isLog) {
|
tickPositions = axis.getLogTickPositions(axis.tickInterval, axis.min, axis.max);
|
} else {
|
tickPositions = axis.getLinearTickPositions(axis.tickInterval, axis.min, axis.max);
|
}
|
|
if (keepTwoTicksOnly) {
|
tickPositions.splice(1, tickPositions.length - 2);
|
}
|
|
axis.tickPositions = tickPositions;
|
}
|
|
if (!isLinked) {
|
|
// reset min/max or remove extremes based on start/end on tick
|
var roundedMin = tickPositions[0],
|
roundedMax = tickPositions[tickPositions.length - 1],
|
minPointOffset = axis.minPointOffset || 0,
|
singlePad;
|
|
// Prevent all ticks from being removed (#3195)
|
if (!startOnTick && !endOnTick && !categories && tickPositions.length === 2) {
|
tickPositions.splice(1, 0, (roundedMax + roundedMin) / 2);
|
}
|
|
if (startOnTick) {
|
axis.min = roundedMin;
|
} else if (axis.min - minPointOffset > roundedMin) {
|
tickPositions.shift();
|
}
|
|
if (endOnTick) {
|
axis.max = roundedMax;
|
} else if (axis.max + minPointOffset < roundedMax) {
|
tickPositions.pop();
|
}
|
|
// When there is only one point, or all points have the same value on this axis, then min
|
// and max are equal and tickPositions.length is 0 or 1. In this case, add some padding
|
// in order to center the point, but leave it with one tick. #1337.
|
if (tickPositions.length === 1) {
|
singlePad = mathAbs(axis.max) > 10e12 ? 1 : 0.001; // The lowest possible number to avoid extra padding on columns (#2619, #2846)
|
axis.min -= singlePad;
|
axis.max += singlePad;
|
}
|
}
|
},
|
|
/**
|
* Set the max ticks of either the x and y axis collection
|
*/
|
setMaxTicks: function () {
|
|
var chart = this.chart,
|
maxTicks = chart.maxTicks || {},
|
tickPositions = this.tickPositions,
|
key = this._maxTicksKey = [this.coll, this.pos, this.len].join('-');
|
|
if (!this.isLinked && !this.isDatetimeAxis && tickPositions && tickPositions.length > (maxTicks[key] || 0) && this.options.alignTicks !== false) {
|
maxTicks[key] = tickPositions.length;
|
}
|
chart.maxTicks = maxTicks;
|
},
|
|
/**
|
* When using multiple axes, adjust the number of ticks to match the highest
|
* number of ticks in that group
|
*/
|
adjustTickAmount: function () {
|
var axis = this,
|
chart = axis.chart,
|
key = axis._maxTicksKey,
|
tickPositions = axis.tickPositions,
|
maxTicks = chart.maxTicks;
|
|
if (maxTicks && maxTicks[key] && !axis.isDatetimeAxis && !axis.categories && !axis.isLinked &&
|
axis.options.alignTicks !== false && this.min !== UNDEFINED) {
|
var oldTickAmount = axis.tickAmount,
|
calculatedTickAmount = tickPositions.length,
|
tickAmount;
|
|
// set the axis-level tickAmount to use below
|
axis.tickAmount = tickAmount = maxTicks[key];
|
|
if (calculatedTickAmount < tickAmount) {
|
while (tickPositions.length < tickAmount) {
|
tickPositions.push(correctFloat(
|
tickPositions[tickPositions.length - 1] + axis.tickInterval
|
));
|
}
|
axis.transA *= (calculatedTickAmount - 1) / (tickAmount - 1);
|
axis.max = tickPositions[tickPositions.length - 1];
|
|
}
|
if (defined(oldTickAmount) && tickAmount !== oldTickAmount) {
|
axis.isDirty = true;
|
}
|
}
|
},
|
|
/**
|
* Set the scale based on data min and max, user set min and max or options
|
*
|
*/
|
setScale: function () {
|
var axis = this,
|
stacks = axis.stacks,
|
type,
|
i,
|
isDirtyData,
|
isDirtyAxisLength;
|
|
axis.oldMin = axis.min;
|
axis.oldMax = axis.max;
|
axis.oldAxisLength = axis.len;
|
|
// set the new axisLength
|
axis.setAxisSize();
|
//axisLength = horiz ? axisWidth : axisHeight;
|
isDirtyAxisLength = axis.len !== axis.oldAxisLength;
|
|
// is there new data?
|
each(axis.series, function (series) {
|
if (series.isDirtyData || series.isDirty ||
|
series.xAxis.isDirty) { // when x axis is dirty, we need new data extremes for y as well
|
isDirtyData = true;
|
}
|
});
|
|
// do we really need to go through all this?
|
if (isDirtyAxisLength || isDirtyData || axis.isLinked || axis.forceRedraw ||
|
axis.userMin !== axis.oldUserMin || axis.userMax !== axis.oldUserMax) {
|
|
// reset stacks
|
if (!axis.isXAxis) {
|
for (type in stacks) {
|
for (i in stacks[type]) {
|
stacks[type][i].total = null;
|
stacks[type][i].cum = 0;
|
}
|
}
|
}
|
|
axis.forceRedraw = false;
|
|
// get data extremes if needed
|
axis.getSeriesExtremes();
|
|
// get fixed positions based on tickInterval
|
axis.setTickPositions();
|
|
// record old values to decide whether a rescale is necessary later on (#540)
|
axis.oldUserMin = axis.userMin;
|
axis.oldUserMax = axis.userMax;
|
|
// Mark as dirty if it is not already set to dirty and extremes have changed. #595.
|
if (!axis.isDirty) {
|
axis.isDirty = isDirtyAxisLength || axis.min !== axis.oldMin || axis.max !== axis.oldMax;
|
}
|
} else if (!axis.isXAxis) {
|
if (axis.oldStacks) {
|
stacks = axis.stacks = axis.oldStacks;
|
}
|
|
// reset stacks
|
for (type in stacks) {
|
for (i in stacks[type]) {
|
stacks[type][i].cum = stacks[type][i].total;
|
}
|
}
|
}
|
|
// Set the maximum tick amount
|
axis.setMaxTicks();
|
},
|
|
/**
|
* Set the extremes and optionally redraw
|
* @param {Number} newMin
|
* @param {Number} newMax
|
* @param {Boolean} redraw
|
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation
|
* configuration
|
* @param {Object} eventArguments
|
*
|
*/
|
setExtremes: function (newMin, newMax, redraw, animation, eventArguments) {
|
var axis = this,
|
chart = axis.chart;
|
|
redraw = pick(redraw, true); // defaults to true
|
|
// Extend the arguments with min and max
|
eventArguments = extend(eventArguments, {
|
min: newMin,
|
max: newMax
|
});
|
|
// Fire the event
|
fireEvent(axis, 'setExtremes', eventArguments, function () { // the default event handler
|
|
axis.userMin = newMin;
|
axis.userMax = newMax;
|
axis.eventArgs = eventArguments;
|
|
// Mark for running afterSetExtremes
|
axis.isDirtyExtremes = true;
|
|
// redraw
|
if (redraw) {
|
chart.redraw(animation);
|
}
|
});
|
},
|
|
/**
|
* Overridable method for zooming chart. Pulled out in a separate method to allow overriding
|
* in stock charts.
|
*/
|
zoom: function (newMin, newMax) {
|
var dataMin = this.dataMin,
|
dataMax = this.dataMax,
|
options = this.options;
|
|
// Prevent pinch zooming out of range. Check for defined is for #1946. #1734.
|
if (!this.allowZoomOutside) {
|
if (defined(dataMin) && newMin <= mathMin(dataMin, pick(options.min, dataMin))) {
|
newMin = UNDEFINED;
|
}
|
if (defined(dataMax) && newMax >= mathMax(dataMax, pick(options.max, dataMax))) {
|
newMax = UNDEFINED;
|
}
|
}
|
|
// In full view, displaying the reset zoom button is not required
|
this.displayBtn = newMin !== UNDEFINED || newMax !== UNDEFINED;
|
|
// Do it
|
this.setExtremes(
|
newMin,
|
newMax,
|
false,
|
UNDEFINED,
|
{ trigger: 'zoom' }
|
);
|
return true;
|
},
|
|
/**
|
* Update the axis metrics
|
*/
|
setAxisSize: function () {
|
var chart = this.chart,
|
options = this.options,
|
offsetLeft = options.offsetLeft || 0,
|
offsetRight = options.offsetRight || 0,
|
horiz = this.horiz,
|
width = pick(options.width, chart.plotWidth - offsetLeft + offsetRight),
|
height = pick(options.height, chart.plotHeight),
|
top = pick(options.top, chart.plotTop),
|
left = pick(options.left, chart.plotLeft + offsetLeft),
|
percentRegex = /%$/;
|
|
// Check for percentage based input values
|
if (percentRegex.test(height)) {
|
height = parseInt(height, 10) / 100 * chart.plotHeight;
|
}
|
if (percentRegex.test(top)) {
|
top = parseInt(top, 10) / 100 * chart.plotHeight + chart.plotTop;
|
}
|
|
// Expose basic values to use in Series object and navigator
|
this.left = left;
|
this.top = top;
|
this.width = width;
|
this.height = height;
|
this.bottom = chart.chartHeight - height - top;
|
this.right = chart.chartWidth - width - left;
|
|
// Direction agnostic properties
|
this.len = mathMax(horiz ? width : height, 0); // mathMax fixes #905
|
this.pos = horiz ? left : top; // distance from SVG origin
|
},
|
|
/**
|
* Get the actual axis extremes
|
*/
|
getExtremes: function () {
|
var axis = this,
|
isLog = axis.isLog;
|
|
return {
|
min: isLog ? correctFloat(lin2log(axis.min)) : axis.min,
|
max: isLog ? correctFloat(lin2log(axis.max)) : axis.max,
|
dataMin: axis.dataMin,
|
dataMax: axis.dataMax,
|
userMin: axis.userMin,
|
userMax: axis.userMax
|
};
|
},
|
|
/**
|
* Get the zero plane either based on zero or on the min or max value.
|
* Used in bar and area plots
|
*/
|
getThreshold: function (threshold) {
|
var axis = this,
|
isLog = axis.isLog;
|
|
var realMin = isLog ? lin2log(axis.min) : axis.min,
|
realMax = isLog ? lin2log(axis.max) : axis.max;
|
|
if (realMin > threshold || threshold === null) {
|
threshold = realMin;
|
} else if (realMax < threshold) {
|
threshold = realMax;
|
}
|
|
return axis.translate(threshold, 0, 1, 0, 1);
|
},
|
|
/**
|
* Compute auto alignment for the axis label based on which side the axis is on
|
* and the given rotation for the label
|
*/
|
autoLabelAlign: function (rotation) {
|
var ret,
|
angle = (pick(rotation, 0) - (this.side * 90) + 720) % 360;
|
|
if (angle > 15 && angle < 165) {
|
ret = 'right';
|
} else if (angle > 195 && angle < 345) {
|
ret = 'left';
|
} else {
|
ret = 'center';
|
}
|
return ret;
|
},
|
|
/**
|
* Render the tick labels to a preliminary position to get their sizes
|
*/
|
getOffset: function () {
|
var axis = this,
|
chart = axis.chart,
|
renderer = chart.renderer,
|
options = axis.options,
|
tickPositions = axis.tickPositions,
|
ticks = axis.ticks,
|
horiz = axis.horiz,
|
side = axis.side,
|
invertedSide = chart.inverted ? [1, 0, 3, 2][side] : side,
|
hasData,
|
showAxis,
|
titleOffset = 0,
|
titleOffsetOption,
|
titleMargin = 0,
|
axisTitleOptions = options.title,
|
labelOptions = options.labels,
|
labelOffset = 0, // reset
|
labelOffsetPadded,
|
axisOffset = chart.axisOffset,
|
clipOffset = chart.clipOffset,
|
directionFactor = [-1, 1, 1, -1][side],
|
n,
|
i,
|
autoStaggerLines = 1,
|
maxStaggerLines = pick(labelOptions.maxStaggerLines, 5),
|
sortedPositions,
|
lastRight,
|
overlap,
|
pos,
|
bBox,
|
x,
|
w,
|
lineNo,
|
lineHeightCorrection;
|
|
// For reuse in Axis.render
|
axis.hasData = hasData = (axis.hasVisibleSeries || (defined(axis.min) && defined(axis.max) && !!tickPositions));
|
axis.showAxis = showAxis = hasData || pick(options.showEmpty, true);
|
|
// Set/reset staggerLines
|
axis.staggerLines = axis.horiz && labelOptions.staggerLines;
|
|
// Create the axisGroup and gridGroup elements on first iteration
|
if (!axis.axisGroup) {
|
axis.gridGroup = renderer.g('grid')
|
.attr({ zIndex: options.gridZIndex || 1 })
|
.add();
|
axis.axisGroup = renderer.g('axis')
|
.attr({ zIndex: options.zIndex || 2 })
|
.add();
|
axis.labelGroup = renderer.g('axis-labels')
|
.attr({ zIndex: labelOptions.zIndex || 7 })
|
.addClass(PREFIX + axis.coll.toLowerCase() + '-labels')
|
.add();
|
}
|
|
if (hasData || axis.isLinked) {
|
|
// Set the explicit or automatic label alignment
|
axis.labelAlign = pick(labelOptions.align || axis.autoLabelAlign(labelOptions.rotation));
|
|
// Generate ticks
|
each(tickPositions, function (pos) {
|
if (!ticks[pos]) {
|
ticks[pos] = new Tick(axis, pos);
|
} else {
|
ticks[pos].addLabel(); // update labels depending on tick interval
|
}
|
});
|
|
// Handle automatic stagger lines
|
if (axis.horiz && !axis.staggerLines && maxStaggerLines && !labelOptions.rotation) {
|
sortedPositions = axis.reversed ? [].concat(tickPositions).reverse() : tickPositions;
|
while (autoStaggerLines < maxStaggerLines) {
|
lastRight = [];
|
overlap = false;
|
|
for (i = 0; i < sortedPositions.length; i++) {
|
pos = sortedPositions[i];
|
bBox = ticks[pos].label && ticks[pos].label.getBBox();
|
w = bBox ? bBox.width : 0;
|
lineNo = i % autoStaggerLines;
|
|
if (w) {
|
x = axis.translate(pos); // don't handle log
|
if (lastRight[lineNo] !== UNDEFINED && x < lastRight[lineNo]) {
|
overlap = true;
|
}
|
lastRight[lineNo] = x + w;
|
}
|
}
|
if (overlap) {
|
autoStaggerLines++;
|
} else {
|
break;
|
}
|
}
|
|
if (autoStaggerLines > 1) {
|
axis.staggerLines = autoStaggerLines;
|
}
|
}
|
|
|
each(tickPositions, function (pos) {
|
// left side must be align: right and right side must have align: left for labels
|
if (side === 0 || side === 2 || { 1: 'left', 3: 'right' }[side] === axis.labelAlign) {
|
|
// get the highest offset
|
labelOffset = mathMax(
|
ticks[pos].getLabelSize(),
|
labelOffset
|
);
|
}
|
});
|
|
if (axis.staggerLines) {
|
labelOffset *= axis.staggerLines;
|
axis.labelOffset = labelOffset;
|
}
|
|
|
} else { // doesn't have data
|
for (n in ticks) {
|
ticks[n].destroy();
|
delete ticks[n];
|
}
|
}
|
|
if (axisTitleOptions && axisTitleOptions.text && axisTitleOptions.enabled !== false) {
|
if (!axis.axisTitle) {
|
axis.axisTitle = renderer.text(
|
axisTitleOptions.text,
|
0,
|
0,
|
axisTitleOptions.useHTML
|
)
|
.attr({
|
zIndex: 7,
|
rotation: axisTitleOptions.rotation || 0,
|
align:
|
axisTitleOptions.textAlign ||
|
{ low: 'left', middle: 'center', high: 'right' }[axisTitleOptions.align]
|
})
|
.addClass(PREFIX + this.coll.toLowerCase() + '-title')
|
.css(axisTitleOptions.style)
|
.add(axis.axisGroup);
|
axis.axisTitle.isNew = true;
|
}
|
|
if (showAxis) {
|
titleOffset = axis.axisTitle.getBBox()[horiz ? 'height' : 'width'];
|
titleOffsetOption = axisTitleOptions.offset;
|
titleMargin = defined(titleOffsetOption) ? 0 : pick(axisTitleOptions.margin, horiz ? 5 : 10);
|
}
|
|
// hide or show the title depending on whether showEmpty is set
|
axis.axisTitle[showAxis ? 'show' : 'hide']();
|
}
|
|
// handle automatic or user set offset
|
axis.offset = directionFactor * pick(options.offset, axisOffset[side]);
|
|
lineHeightCorrection = side === 2 ? axis.tickBaseline : 0;
|
labelOffsetPadded = labelOffset + titleMargin +
|
(labelOffset && (directionFactor * (horiz ? pick(labelOptions.y, axis.tickBaseline + 8) : labelOptions.x) - lineHeightCorrection));
|
axis.axisTitleMargin = pick(titleOffsetOption, labelOffsetPadded);
|
|
axisOffset[side] = mathMax(
|
axisOffset[side],
|
axis.axisTitleMargin + titleOffset + directionFactor * axis.offset,
|
labelOffsetPadded // #3027
|
);
|
clipOffset[invertedSide] = mathMax(clipOffset[invertedSide], mathFloor(options.lineWidth / 2) * 2);
|
},
|
|
/**
|
* Get the path for the axis line
|
*/
|
getLinePath: function (lineWidth) {
|
var chart = this.chart,
|
opposite = this.opposite,
|
offset = this.offset,
|
horiz = this.horiz,
|
lineLeft = this.left + (opposite ? this.width : 0) + offset,
|
lineTop = chart.chartHeight - this.bottom - (opposite ? this.height : 0) + offset;
|
|
if (opposite) {
|
lineWidth *= -1; // crispify the other way - #1480, #1687
|
}
|
|
return chart.renderer.crispLine([
|
M,
|
horiz ?
|
this.left :
|
lineLeft,
|
horiz ?
|
lineTop :
|
this.top,
|
L,
|
horiz ?
|
chart.chartWidth - this.right :
|
lineLeft,
|
horiz ?
|
lineTop :
|
chart.chartHeight - this.bottom
|
], lineWidth);
|
},
|
|
/**
|
* Position the title
|
*/
|
getTitlePosition: function () {
|
// compute anchor points for each of the title align options
|
var horiz = this.horiz,
|
axisLeft = this.left,
|
axisTop = this.top,
|
axisLength = this.len,
|
axisTitleOptions = this.options.title,
|
margin = horiz ? axisLeft : axisTop,
|
opposite = this.opposite,
|
offset = this.offset,
|
fontSize = pInt(axisTitleOptions.style.fontSize || 12),
|
|
// the position in the length direction of the axis
|
alongAxis = {
|
low: margin + (horiz ? 0 : axisLength),
|
middle: margin + axisLength / 2,
|
high: margin + (horiz ? axisLength : 0)
|
}[axisTitleOptions.align],
|
|
// the position in the perpendicular direction of the axis
|
offAxis = (horiz ? axisTop + this.height : axisLeft) +
|
(horiz ? 1 : -1) * // horizontal axis reverses the margin
|
(opposite ? -1 : 1) * // so does opposite axes
|
this.axisTitleMargin +
|
(this.side === 2 ? fontSize : 0);
|
|
return {
|
x: horiz ?
|
alongAxis :
|
offAxis + (opposite ? this.width : 0) + offset +
|
(axisTitleOptions.x || 0), // x
|
y: horiz ?
|
offAxis - (opposite ? this.height : 0) + offset :
|
alongAxis + (axisTitleOptions.y || 0) // y
|
};
|
},
|
|
/**
|
* Render the axis
|
*/
|
render: function () {
|
var axis = this,
|
horiz = axis.horiz,
|
reversed = axis.reversed,
|
chart = axis.chart,
|
renderer = chart.renderer,
|
options = axis.options,
|
isLog = axis.isLog,
|
isLinked = axis.isLinked,
|
tickPositions = axis.tickPositions,
|
sortedPositions,
|
axisTitle = axis.axisTitle,
|
ticks = axis.ticks,
|
minorTicks = axis.minorTicks,
|
alternateBands = axis.alternateBands,
|
stackLabelOptions = options.stackLabels,
|
alternateGridColor = options.alternateGridColor,
|
tickmarkOffset = axis.tickmarkOffset,
|
lineWidth = options.lineWidth,
|
linePath,
|
hasRendered = chart.hasRendered,
|
slideInTicks = hasRendered && defined(axis.oldMin) && !isNaN(axis.oldMin),
|
hasData = axis.hasData,
|
showAxis = axis.showAxis,
|
from,
|
overflow = options.labels.overflow,
|
justifyLabels = axis.justifyLabels = horiz && overflow !== false,
|
to;
|
|
// Reset
|
axis.labelEdge.length = 0;
|
axis.justifyToPlot = overflow === 'justify';
|
|
// Mark all elements inActive before we go over and mark the active ones
|
each([ticks, minorTicks, alternateBands], function (coll) {
|
var pos;
|
for (pos in coll) {
|
coll[pos].isActive = false;
|
}
|
});
|
|
// If the series has data draw the ticks. Else only the line and title
|
if (hasData || isLinked) {
|
|
// minor ticks
|
if (axis.minorTickInterval && !axis.categories) {
|
each(axis.getMinorTickPositions(), function (pos) {
|
if (!minorTicks[pos]) {
|
minorTicks[pos] = new Tick(axis, pos, 'minor');
|
}
|
|
// render new ticks in old position
|
if (slideInTicks && minorTicks[pos].isNew) {
|
minorTicks[pos].render(null, true);
|
}
|
|
minorTicks[pos].render(null, false, 1);
|
});
|
}
|
|
// Major ticks. Pull out the first item and render it last so that
|
// we can get the position of the neighbour label. #808.
|
if (tickPositions.length) { // #1300
|
sortedPositions = tickPositions.slice();
|
if ((horiz && reversed) || (!horiz && !reversed)) {
|
sortedPositions.reverse();
|
}
|
if (justifyLabels) {
|
sortedPositions = sortedPositions.slice(1).concat([sortedPositions[0]]);
|
}
|
each(sortedPositions, function (pos, i) {
|
|
// Reorganize the indices
|
if (justifyLabels) {
|
i = (i === sortedPositions.length - 1) ? 0 : i + 1;
|
}
|
|
// linked axes need an extra check to find out if
|
if (!isLinked || (pos >= axis.min && pos <= axis.max)) {
|
|
if (!ticks[pos]) {
|
ticks[pos] = new Tick(axis, pos);
|
}
|
|
// render new ticks in old position
|
if (slideInTicks && ticks[pos].isNew) {
|
ticks[pos].render(i, true, 0.1);
|
}
|
|
ticks[pos].render(i);
|
}
|
|
});
|
// In a categorized axis, the tick marks are displayed between labels. So
|
// we need to add a tick mark and grid line at the left edge of the X axis.
|
if (tickmarkOffset && axis.min === 0) {
|
if (!ticks[-1]) {
|
ticks[-1] = new Tick(axis, -1, null, true);
|
}
|
ticks[-1].render(-1);
|
}
|
|
}
|
|
// alternate grid color
|
if (alternateGridColor) {
|
each(tickPositions, function (pos, i) {
|
if (i % 2 === 0 && pos < axis.max) {
|
if (!alternateBands[pos]) {
|
alternateBands[pos] = new Highcharts.PlotLineOrBand(axis);
|
}
|
from = pos + tickmarkOffset; // #949
|
to = tickPositions[i + 1] !== UNDEFINED ? tickPositions[i + 1] + tickmarkOffset : axis.max;
|
alternateBands[pos].options = {
|
from: isLog ? lin2log(from) : from,
|
to: isLog ? lin2log(to) : to,
|
color: alternateGridColor
|
};
|
alternateBands[pos].render();
|
alternateBands[pos].isActive = true;
|
}
|
});
|
}
|
|
// custom plot lines and bands
|
if (!axis._addedPlotLB) { // only first time
|
each((options.plotLines || []).concat(options.plotBands || []), function (plotLineOptions) {
|
axis.addPlotBandOrLine(plotLineOptions);
|
});
|
axis._addedPlotLB = true;
|
}
|
|
} // end if hasData
|
|
// Remove inactive ticks
|
each([ticks, minorTicks, alternateBands], function (coll) {
|
var pos,
|
i,
|
forDestruction = [],
|
delay = globalAnimation ? globalAnimation.duration || 500 : 0,
|
destroyInactiveItems = function () {
|
i = forDestruction.length;
|
while (i--) {
|
// When resizing rapidly, the same items may be destroyed in different timeouts,
|
// or the may be reactivated
|
if (coll[forDestruction[i]] && !coll[forDestruction[i]].isActive) {
|
coll[forDestruction[i]].destroy();
|
delete coll[forDestruction[i]];
|
}
|
}
|
|
};
|
|
for (pos in coll) {
|
|
if (!coll[pos].isActive) {
|
// Render to zero opacity
|
coll[pos].render(pos, false, 0);
|
coll[pos].isActive = false;
|
forDestruction.push(pos);
|
}
|
}
|
|
// When the objects are finished fading out, destroy them
|
if (coll === alternateBands || !chart.hasRendered || !delay) {
|
destroyInactiveItems();
|
} else if (delay) {
|
setTimeout(destroyInactiveItems, delay);
|
}
|
});
|
|
// Static items. As the axis group is cleared on subsequent calls
|
// to render, these items are added outside the group.
|
// axis line
|
if (lineWidth) {
|
linePath = axis.getLinePath(lineWidth);
|
if (!axis.axisLine) {
|
axis.axisLine = renderer.path(linePath)
|
.attr({
|
stroke: options.lineColor,
|
'stroke-width': lineWidth,
|
zIndex: 7
|
})
|
.add(axis.axisGroup);
|
} else {
|
axis.axisLine.animate({ d: linePath });
|
}
|
|
// show or hide the line depending on options.showEmpty
|
axis.axisLine[showAxis ? 'show' : 'hide']();
|
}
|
|
if (axisTitle && showAxis) {
|
|
axisTitle[axisTitle.isNew ? 'attr' : 'animate'](
|
axis.getTitlePosition()
|
);
|
axisTitle.isNew = false;
|
}
|
|
// Stacked totals:
|
if (stackLabelOptions && stackLabelOptions.enabled) {
|
axis.renderStackTotals();
|
}
|
// End stacked totals
|
|
axis.isDirty = false;
|
},
|
|
/**
|
* Redraw the axis to reflect changes in the data or axis extremes
|
*/
|
redraw: function () {
|
|
// render the axis
|
this.render();
|
|
// move plot lines and bands
|
each(this.plotLinesAndBands, function (plotLine) {
|
plotLine.render();
|
});
|
|
// mark associated series as dirty and ready for redraw
|
each(this.series, function (series) {
|
series.isDirty = true;
|
});
|
|
},
|
|
/**
|
* Destroys an Axis instance.
|
*/
|
destroy: function (keepEvents) {
|
var axis = this,
|
stacks = axis.stacks,
|
stackKey,
|
plotLinesAndBands = axis.plotLinesAndBands,
|
i;
|
|
// Remove the events
|
if (!keepEvents) {
|
removeEvent(axis);
|
}
|
|
// Destroy each stack total
|
for (stackKey in stacks) {
|
destroyObjectProperties(stacks[stackKey]);
|
|
stacks[stackKey] = null;
|
}
|
|
// Destroy collections
|
each([axis.ticks, axis.minorTicks, axis.alternateBands], function (coll) {
|
destroyObjectProperties(coll);
|
});
|
i = plotLinesAndBands.length;
|
while (i--) { // #1975
|
plotLinesAndBands[i].destroy();
|
}
|
|
// Destroy local variables
|
each(['stackTotalGroup', 'axisLine', 'axisTitle', 'axisGroup', 'cross', 'gridGroup', 'labelGroup'], function (prop) {
|
if (axis[prop]) {
|
axis[prop] = axis[prop].destroy();
|
}
|
});
|
|
// Destroy crosshair
|
if (this.cross) {
|
this.cross.destroy();
|
}
|
},
|
|
/**
|
* Draw the crosshair
|
*/
|
drawCrosshair: function (e, point) {
|
if (!this.crosshair) { return; }// Do not draw crosshairs if you don't have too.
|
|
if ((defined(point) || !pick(this.crosshair.snap, true)) === false) {
|
this.hideCrosshair();
|
return;
|
}
|
|
var path,
|
options = this.crosshair,
|
animation = options.animation,
|
pos;
|
|
// Get the path
|
if (!pick(options.snap, true)) {
|
pos = (this.horiz ? e.chartX - this.pos : this.len - e.chartY + this.pos);
|
} else if (defined(point)) {
|
/*jslint eqeq: true*/
|
pos = (this.chart.inverted != this.horiz) ? point.plotX : this.len - point.plotY;
|
/*jslint eqeq: false*/
|
}
|
|
if (this.isRadial) {
|
path = this.getPlotLinePath(this.isXAxis ? point.x : pick(point.stackY, point.y));
|
} else {
|
path = this.getPlotLinePath(null, null, null, null, pos);
|
}
|
|
if (path === null) {
|
this.hideCrosshair();
|
return;
|
}
|
|
// Draw the cross
|
if (this.cross) {
|
this.cross
|
.attr({ visibility: VISIBLE })[animation ? 'animate' : 'attr']({ d: path }, animation);
|
} else {
|
var attribs = {
|
'stroke-width': options.width || 1,
|
stroke: options.color || '#C0C0C0',
|
zIndex: options.zIndex || 2
|
};
|
if (options.dashStyle) {
|
attribs.dashstyle = options.dashStyle;
|
}
|
this.cross = this.chart.renderer.path(path).attr(attribs).add();
|
}
|
},
|
|
/**
|
* Hide the crosshair.
|
*/
|
hideCrosshair: function () {
|
if (this.cross) {
|
this.cross.hide();
|
}
|
}
|
}; // end Axis
|
|
extend(Axis.prototype, AxisPlotLineOrBandExtension);
|
|
/**
|
* Set the tick positions to a time unit that makes sense, for example
|
* on the first of each month or on every Monday. Return an array
|
* with the time positions. Used in datetime axes as well as for grouping
|
* data on a datetime axis.
|
*
|
* @param {Object} normalizedInterval The interval in axis values (ms) and the count
|
* @param {Number} min The minimum in axis values
|
* @param {Number} max The maximum in axis values
|
* @param {Number} startOfWeek
|
*/
|
Axis.prototype.getTimeTicks = function (normalizedInterval, min, max, startOfWeek) {
|
var tickPositions = [],
|
i,
|
higherRanks = {},
|
useUTC = defaultOptions.global.useUTC,
|
minYear, // used in months and years as a basis for Date.UTC()
|
minDate = new Date(min - timezoneOffset),
|
interval = normalizedInterval.unitRange,
|
count = normalizedInterval.count;
|
|
if (defined(min)) { // #1300
|
if (interval >= timeUnits.second) { // second
|
minDate.setMilliseconds(0);
|
minDate.setSeconds(interval >= timeUnits.minute ? 0 :
|
count * mathFloor(minDate.getSeconds() / count));
|
}
|
|
if (interval >= timeUnits.minute) { // minute
|
minDate[setMinutes](interval >= timeUnits.hour ? 0 :
|
count * mathFloor(minDate[getMinutes]() / count));
|
}
|
|
if (interval >= timeUnits.hour) { // hour
|
minDate[setHours](interval >= timeUnits.day ? 0 :
|
count * mathFloor(minDate[getHours]() / count));
|
}
|
|
if (interval >= timeUnits.day) { // day
|
minDate[setDate](interval >= timeUnits.month ? 1 :
|
count * mathFloor(minDate[getDate]() / count));
|
}
|
|
if (interval >= timeUnits.month) { // month
|
minDate[setMonth](interval >= timeUnits.year ? 0 :
|
count * mathFloor(minDate[getMonth]() / count));
|
minYear = minDate[getFullYear]();
|
}
|
|
if (interval >= timeUnits.year) { // year
|
minYear -= minYear % count;
|
minDate[setFullYear](minYear);
|
}
|
|
// week is a special case that runs outside the hierarchy
|
if (interval === timeUnits.week) {
|
// get start of current week, independent of count
|
minDate[setDate](minDate[getDate]() - minDate[getDay]() +
|
pick(startOfWeek, 1));
|
}
|
|
|
// get tick positions
|
i = 1;
|
if (timezoneOffset) {
|
minDate = new Date(minDate.getTime() + timezoneOffset);
|
}
|
minYear = minDate[getFullYear]();
|
var time = minDate.getTime(),
|
minMonth = minDate[getMonth](),
|
minDateDate = minDate[getDate](),
|
localTimezoneOffset = useUTC ?
|
timezoneOffset :
|
(24 * 3600 * 1000 + minDate.getTimezoneOffset() * 60 * 1000) % (24 * 3600 * 1000); // #950
|
|
// iterate and add tick positions at appropriate values
|
while (time < max) {
|
tickPositions.push(time);
|
|
// if the interval is years, use Date.UTC to increase years
|
if (interval === timeUnits.year) {
|
time = makeTime(minYear + i * count, 0);
|
|
// if the interval is months, use Date.UTC to increase months
|
} else if (interval === timeUnits.month) {
|
time = makeTime(minYear, minMonth + i * count);
|
|
// if we're using global time, the interval is not fixed as it jumps
|
// one hour at the DST crossover
|
} else if (!useUTC && (interval === timeUnits.day || interval === timeUnits.week)) {
|
time = makeTime(minYear, minMonth, minDateDate +
|
i * count * (interval === timeUnits.day ? 1 : 7));
|
|
// else, the interval is fixed and we use simple addition
|
} else {
|
time += interval * count;
|
}
|
|
i++;
|
}
|
|
// push the last time
|
tickPositions.push(time);
|
|
|
// mark new days if the time is dividible by day (#1649, #1760)
|
each(grep(tickPositions, function (time) {
|
return interval <= timeUnits.hour && time % timeUnits.day === localTimezoneOffset;
|
}), function (time) {
|
higherRanks[time] = 'day';
|
});
|
}
|
|
|
// record information on the chosen unit - for dynamic label formatter
|
tickPositions.info = extend(normalizedInterval, {
|
higherRanks: higherRanks,
|
totalRange: interval * count
|
});
|
|
return tickPositions;
|
};
|
|
/**
|
* Get a normalized tick interval for dates. Returns a configuration object with
|
* unit range (interval), count and name. Used to prepare data for getTimeTicks.
|
* Previously this logic was part of getTimeTicks, but as getTimeTicks now runs
|
* of segments in stock charts, the normalizing logic was extracted in order to
|
* prevent it for running over again for each segment having the same interval.
|
* #662, #697.
|
*/
|
Axis.prototype.normalizeTimeTickInterval = function (tickInterval, unitsOption) {
|
var units = unitsOption || [[
|
'millisecond', // unit name
|
[1, 2, 5, 10, 20, 25, 50, 100, 200, 500] // allowed multiples
|
], [
|
'second',
|
[1, 2, 5, 10, 15, 30]
|
], [
|
'minute',
|
[1, 2, 5, 10, 15, 30]
|
], [
|
'hour',
|
[1, 2, 3, 4, 6, 8, 12]
|
], [
|
'day',
|
[1, 2]
|
], [
|
'week',
|
[1, 2]
|
], [
|
'month',
|
[1, 2, 3, 4, 6]
|
], [
|
'year',
|
null
|
]],
|
unit = units[units.length - 1], // default unit is years
|
interval = timeUnits[unit[0]],
|
multiples = unit[1],
|
count,
|
i;
|
|
// loop through the units to find the one that best fits the tickInterval
|
for (i = 0; i < units.length; i++) {
|
unit = units[i];
|
interval = timeUnits[unit[0]];
|
multiples = unit[1];
|
|
|
if (units[i + 1]) {
|
// lessThan is in the middle between the highest multiple and the next unit.
|
var lessThan = (interval * multiples[multiples.length - 1] +
|
timeUnits[units[i + 1][0]]) / 2;
|
|
// break and keep the current unit
|
if (tickInterval <= lessThan) {
|
break;
|
}
|
}
|
}
|
|
// prevent 2.5 years intervals, though 25, 250 etc. are allowed
|
if (interval === timeUnits.year && tickInterval < 5 * interval) {
|
multiples = [1, 2, 5];
|
}
|
|
// get the count
|
count = normalizeTickInterval(
|
tickInterval / interval,
|
multiples,
|
unit[0] === 'year' ? mathMax(getMagnitude(tickInterval / interval), 1) : 1 // #1913, #2360
|
);
|
|
return {
|
unitRange: interval,
|
count: count,
|
unitName: unit[0]
|
};
|
};/**
|
* Methods defined on the Axis prototype
|
*/
|
|
/**
|
* Set the tick positions of a logarithmic axis
|
*/
|
Axis.prototype.getLogTickPositions = function (interval, min, max, minor) {
|
var axis = this,
|
options = axis.options,
|
axisLength = axis.len,
|
// Since we use this method for both major and minor ticks,
|
// use a local variable and return the result
|
positions = [];
|
|
// Reset
|
if (!minor) {
|
axis._minorAutoInterval = null;
|
}
|
|
// First case: All ticks fall on whole logarithms: 1, 10, 100 etc.
|
if (interval >= 0.5) {
|
interval = mathRound(interval);
|
positions = axis.getLinearTickPositions(interval, min, max);
|
|
// Second case: We need intermediary ticks. For example
|
// 1, 2, 4, 6, 8, 10, 20, 40 etc.
|
} else if (interval >= 0.08) {
|
var roundedMin = mathFloor(min),
|
intermediate,
|
i,
|
j,
|
len,
|
pos,
|
lastPos,
|
break2;
|
|
if (interval > 0.3) {
|
intermediate = [1, 2, 4];
|
} else if (interval > 0.15) { // 0.2 equals five minor ticks per 1, 10, 100 etc
|
intermediate = [1, 2, 4, 6, 8];
|
} else { // 0.1 equals ten minor ticks per 1, 10, 100 etc
|
intermediate = [1, 2, 3, 4, 5, 6, 7, 8, 9];
|
}
|
|
for (i = roundedMin; i < max + 1 && !break2; i++) {
|
len = intermediate.length;
|
for (j = 0; j < len && !break2; j++) {
|
pos = log2lin(lin2log(i) * intermediate[j]);
|
if (pos > min && (!minor || lastPos <= max) && lastPos !== UNDEFINED) { // #1670, lastPos is #3113
|
positions.push(lastPos);
|
}
|
|
if (lastPos > max) {
|
break2 = true;
|
}
|
lastPos = pos;
|
}
|
}
|
|
// Third case: We are so deep in between whole logarithmic values that
|
// we might as well handle the tick positions like a linear axis. For
|
// example 1.01, 1.02, 1.03, 1.04.
|
} else {
|
var realMin = lin2log(min),
|
realMax = lin2log(max),
|
tickIntervalOption = options[minor ? 'minorTickInterval' : 'tickInterval'],
|
filteredTickIntervalOption = tickIntervalOption === 'auto' ? null : tickIntervalOption,
|
tickPixelIntervalOption = options.tickPixelInterval / (minor ? 5 : 1),
|
totalPixelLength = minor ? axisLength / axis.tickPositions.length : axisLength;
|
|
interval = pick(
|
filteredTickIntervalOption,
|
axis._minorAutoInterval,
|
(realMax - realMin) * tickPixelIntervalOption / (totalPixelLength || 1)
|
);
|
|
interval = normalizeTickInterval(
|
interval,
|
null,
|
getMagnitude(interval)
|
);
|
|
positions = map(axis.getLinearTickPositions(
|
interval,
|
realMin,
|
realMax
|
), log2lin);
|
|
if (!minor) {
|
axis._minorAutoInterval = interval / 5;
|
}
|
}
|
|
// Set the axis-level tickInterval variable
|
if (!minor) {
|
axis.tickInterval = interval;
|
}
|
return positions;
|
};/**
|
* The tooltip object
|
* @param {Object} chart The chart instance
|
* @param {Object} options Tooltip options
|
*/
|
var Tooltip = Highcharts.Tooltip = function () {
|
this.init.apply(this, arguments);
|
};
|
|
Tooltip.prototype = {
|
|
init: function (chart, options) {
|
|
var borderWidth = options.borderWidth,
|
style = options.style,
|
padding = pInt(style.padding);
|
|
// Save the chart and options
|
this.chart = chart;
|
this.options = options;
|
|
// Keep track of the current series
|
//this.currentSeries = UNDEFINED;
|
|
// List of crosshairs
|
this.crosshairs = [];
|
|
// Current values of x and y when animating
|
this.now = { x: 0, y: 0 };
|
|
// The tooltip is initially hidden
|
this.isHidden = true;
|
|
|
// create the label
|
this.label = chart.renderer.label('', 0, 0, options.shape || 'callout', null, null, options.useHTML, null, 'tooltip')
|
.attr({
|
padding: padding,
|
fill: options.backgroundColor,
|
'stroke-width': borderWidth,
|
r: options.borderRadius,
|
zIndex: 8
|
})
|
.css(style)
|
.css({ padding: 0 }) // Remove it from VML, the padding is applied as an attribute instead (#1117)
|
.add()
|
.attr({ y: -9999 }); // #2301, #2657
|
|
// When using canVG the shadow shows up as a gray circle
|
// even if the tooltip is hidden.
|
if (!useCanVG) {
|
this.label.shadow(options.shadow);
|
}
|
|
// Public property for getting the shared state.
|
this.shared = options.shared;
|
},
|
|
/**
|
* Destroy the tooltip and its elements.
|
*/
|
destroy: function () {
|
// Destroy and clear local variables
|
if (this.label) {
|
this.label = this.label.destroy();
|
}
|
clearTimeout(this.hideTimer);
|
clearTimeout(this.tooltipTimeout);
|
},
|
|
/**
|
* Provide a soft movement for the tooltip
|
*
|
* @param {Number} x
|
* @param {Number} y
|
* @private
|
*/
|
move: function (x, y, anchorX, anchorY) {
|
var tooltip = this,
|
now = tooltip.now,
|
animate = tooltip.options.animation !== false && !tooltip.isHidden &&
|
// When we get close to the target position, abort animation and land on the right place (#3056)
|
(mathAbs(x - now.x) > 1 || mathAbs(y - now.y) > 1),
|
skipAnchor = tooltip.followPointer || tooltip.len > 1;
|
|
// Get intermediate values for animation
|
extend(now, {
|
x: animate ? (2 * now.x + x) / 3 : x,
|
y: animate ? (now.y + y) / 2 : y,
|
anchorX: skipAnchor ? UNDEFINED : animate ? (2 * now.anchorX + anchorX) / 3 : anchorX,
|
anchorY: skipAnchor ? UNDEFINED : animate ? (now.anchorY + anchorY) / 2 : anchorY
|
});
|
|
// Move to the intermediate value
|
tooltip.label.attr(now);
|
|
|
// Run on next tick of the mouse tracker
|
if (animate) {
|
|
// Never allow two timeouts
|
clearTimeout(this.tooltipTimeout);
|
|
// Set the fixed interval ticking for the smooth tooltip
|
this.tooltipTimeout = setTimeout(function () {
|
// The interval function may still be running during destroy, so check that the chart is really there before calling.
|
if (tooltip) {
|
tooltip.move(x, y, anchorX, anchorY);
|
}
|
}, 32);
|
|
}
|
},
|
|
/**
|
* Hide the tooltip
|
*/
|
hide: function () {
|
var tooltip = this,
|
hoverPoints;
|
|
clearTimeout(this.hideTimer); // disallow duplicate timers (#1728, #1766)
|
if (!this.isHidden) {
|
hoverPoints = this.chart.hoverPoints;
|
|
this.hideTimer = setTimeout(function () {
|
tooltip.label.fadeOut();
|
tooltip.isHidden = true;
|
}, pick(this.options.hideDelay, 500));
|
|
// hide previous hoverPoints and set new
|
if (hoverPoints) {
|
each(hoverPoints, function (point) {
|
point.setState();
|
});
|
}
|
|
this.chart.hoverPoints = null;
|
}
|
},
|
|
/**
|
* Extendable method to get the anchor position of the tooltip
|
* from a point or set of points
|
*/
|
getAnchor: function (points, mouseEvent) {
|
var ret,
|
chart = this.chart,
|
inverted = chart.inverted,
|
plotTop = chart.plotTop,
|
plotX = 0,
|
plotY = 0,
|
yAxis;
|
|
points = splat(points);
|
|
// Pie uses a special tooltipPos
|
ret = points[0].tooltipPos;
|
|
// When tooltip follows mouse, relate the position to the mouse
|
if (this.followPointer && mouseEvent) {
|
if (mouseEvent.chartX === UNDEFINED) {
|
mouseEvent = chart.pointer.normalize(mouseEvent);
|
}
|
ret = [
|
mouseEvent.chartX - chart.plotLeft,
|
mouseEvent.chartY - plotTop
|
];
|
}
|
// When shared, use the average position
|
if (!ret) {
|
each(points, function (point) {
|
yAxis = point.series.yAxis;
|
plotX += point.plotX;
|
plotY += (point.plotLow ? (point.plotLow + point.plotHigh) / 2 : point.plotY) +
|
(!inverted && yAxis ? yAxis.top - plotTop : 0); // #1151
|
});
|
|
plotX /= points.length;
|
plotY /= points.length;
|
|
ret = [
|
inverted ? chart.plotWidth - plotY : plotX,
|
this.shared && !inverted && points.length > 1 && mouseEvent ?
|
mouseEvent.chartY - plotTop : // place shared tooltip next to the mouse (#424)
|
inverted ? chart.plotHeight - plotX : plotY
|
];
|
}
|
|
return map(ret, mathRound);
|
},
|
|
/**
|
* Place the tooltip in a chart without spilling over
|
* and not covering the point it self.
|
*/
|
getPosition: function (boxWidth, boxHeight, point) {
|
|
var chart = this.chart,
|
distance = this.distance,
|
ret = {},
|
swapped,
|
first = ['y', chart.chartHeight, boxHeight, point.plotY + chart.plotTop],
|
second = ['x', chart.chartWidth, boxWidth, point.plotX + chart.plotLeft],
|
// The far side is right or bottom
|
preferFarSide = point.ttBelow || (chart.inverted && !point.negative) || (!chart.inverted && point.negative),
|
/**
|
* Handle the preferred dimension. When the preferred dimension is tooltip
|
* on top or bottom of the point, it will look for space there.
|
*/
|
firstDimension = function (dim, outerSize, innerSize, point) {
|
var roomLeft = innerSize < point - distance,
|
roomRight = point + distance + innerSize < outerSize,
|
alignedLeft = point - distance - innerSize,
|
alignedRight = point + distance;
|
|
if (preferFarSide && roomRight) {
|
ret[dim] = alignedRight;
|
} else if (!preferFarSide && roomLeft) {
|
ret[dim] = alignedLeft;
|
} else if (roomLeft) {
|
ret[dim] = alignedLeft;
|
} else if (roomRight) {
|
ret[dim] = alignedRight;
|
} else {
|
return false;
|
}
|
},
|
/**
|
* Handle the secondary dimension. If the preferred dimension is tooltip
|
* on top or bottom of the point, the second dimension is to align the tooltip
|
* above the point, trying to align center but allowing left or right
|
* align within the chart box.
|
*/
|
secondDimension = function (dim, outerSize, innerSize, point) {
|
// Too close to the edge, return false and swap dimensions
|
if (point < distance || point > outerSize - distance) {
|
return false;
|
|
// Align left/top
|
} else if (point < innerSize / 2) {
|
ret[dim] = 1;
|
// Align right/bottom
|
} else if (point > outerSize - innerSize / 2) {
|
ret[dim] = outerSize - innerSize - 2;
|
// Align center
|
} else {
|
ret[dim] = point - innerSize / 2;
|
}
|
},
|
/**
|
* Swap the dimensions
|
*/
|
swap = function (count) {
|
var temp = first;
|
first = second;
|
second = temp;
|
swapped = count;
|
},
|
run = function () {
|
if (firstDimension.apply(0, first) !== false) {
|
if (secondDimension.apply(0, second) === false && !swapped) {
|
swap(true);
|
run();
|
}
|
} else if (!swapped) {
|
swap(true);
|
run();
|
} else {
|
ret.x = ret.y = 0;
|
}
|
};
|
|
// Under these conditions, prefer the tooltip on the side of the point
|
if (chart.inverted || this.len > 1) {
|
swap();
|
}
|
run();
|
|
return ret;
|
|
},
|
|
/**
|
* In case no user defined formatter is given, this will be used. Note that the context
|
* here is an object holding point, series, x, y etc.
|
*/
|
defaultFormatter: function (tooltip) {
|
var items = this.points || splat(this),
|
series = items[0].series,
|
s;
|
|
// build the header
|
s = [tooltip.tooltipHeaderFormatter(items[0])];
|
|
// build the values
|
each(items, function (item) {
|
series = item.series;
|
s.push((series.tooltipFormatter && series.tooltipFormatter(item)) ||
|
item.point.tooltipFormatter(series.tooltipOptions.pointFormat));
|
});
|
|
// footer
|
s.push(tooltip.options.footerFormat || '');
|
|
return s.join('');
|
},
|
|
/**
|
* Refresh the tooltip's text and position.
|
* @param {Object} point
|
*/
|
refresh: function (point, mouseEvent) {
|
var tooltip = this,
|
chart = tooltip.chart,
|
label = tooltip.label,
|
options = tooltip.options,
|
x,
|
y,
|
anchor,
|
textConfig = {},
|
text,
|
pointConfig = [],
|
formatter = options.formatter || tooltip.defaultFormatter,
|
hoverPoints = chart.hoverPoints,
|
borderColor,
|
shared = tooltip.shared,
|
currentSeries;
|
|
clearTimeout(this.hideTimer);
|
|
// get the reference point coordinates (pie charts use tooltipPos)
|
tooltip.followPointer = splat(point)[0].series.tooltipOptions.followPointer;
|
anchor = tooltip.getAnchor(point, mouseEvent);
|
x = anchor[0];
|
y = anchor[1];
|
|
// shared tooltip, array is sent over
|
if (shared && !(point.series && point.series.noSharedTooltip)) {
|
|
// hide previous hoverPoints and set new
|
|
chart.hoverPoints = point;
|
if (hoverPoints) {
|
each(hoverPoints, function (point) {
|
point.setState();
|
});
|
}
|
|
each(point, function (item) {
|
item.setState(HOVER_STATE);
|
|
pointConfig.push(item.getLabelConfig());
|
});
|
|
textConfig = {
|
x: point[0].category,
|
y: point[0].y
|
};
|
textConfig.points = pointConfig;
|
this.len = pointConfig.length;
|
point = point[0];
|
|
// single point tooltip
|
} else {
|
textConfig = point.getLabelConfig();
|
}
|
text = formatter.call(textConfig, tooltip);
|
|
// register the current series
|
currentSeries = point.series;
|
this.distance = pick(currentSeries.tooltipOptions.distance, 16);
|
|
// update the inner HTML
|
if (text === false) {
|
this.hide();
|
} else {
|
|
// show it
|
if (tooltip.isHidden) {
|
stop(label);
|
label.attr('opacity', 1).show();
|
}
|
|
// update text
|
label.attr({
|
text: text
|
});
|
|
// set the stroke color of the box
|
borderColor = options.borderColor || point.color || currentSeries.color || '#606060';
|
label.attr({
|
stroke: borderColor
|
});
|
|
tooltip.updatePosition({ plotX: x, plotY: y, negative: point.negative, ttBelow: point.ttBelow });
|
|
this.isHidden = false;
|
}
|
fireEvent(chart, 'tooltipRefresh', {
|
text: text,
|
x: x + chart.plotLeft,
|
y: y + chart.plotTop,
|
borderColor: borderColor
|
});
|
},
|
|
/**
|
* Find the new position and perform the move
|
*/
|
updatePosition: function (point) {
|
var chart = this.chart,
|
label = this.label,
|
pos = (this.options.positioner || this.getPosition).call(
|
this,
|
label.width,
|
label.height,
|
point
|
);
|
|
// do the move
|
this.move(
|
mathRound(pos.x),
|
mathRound(pos.y),
|
point.plotX + chart.plotLeft,
|
point.plotY + chart.plotTop
|
);
|
},
|
|
|
/**
|
* Format the header of the tooltip
|
*/
|
tooltipHeaderFormatter: function (point) {
|
var series = point.series,
|
tooltipOptions = series.tooltipOptions,
|
dateTimeLabelFormats = tooltipOptions.dateTimeLabelFormats,
|
xDateFormat = tooltipOptions.xDateFormat,
|
xAxis = series.xAxis,
|
isDateTime = xAxis && xAxis.options.type === 'datetime' && isNumber(point.key),
|
headerFormat = tooltipOptions.headerFormat,
|
closestPointRange = xAxis && xAxis.closestPointRange,
|
n;
|
|
// Guess the best date format based on the closest point distance (#568)
|
if (isDateTime && !xDateFormat) {
|
if (closestPointRange) {
|
for (n in timeUnits) {
|
if (timeUnits[n] >= closestPointRange ||
|
// If the point is placed every day at 23:59, we need to show
|
// the minutes as well. This logic only works for time units less than
|
// a day, since all higher time units are dividable by those. #2637.
|
(timeUnits[n] <= timeUnits.day && point.key % timeUnits[n] > 0)) {
|
xDateFormat = dateTimeLabelFormats[n];
|
break;
|
}
|
}
|
} else {
|
xDateFormat = dateTimeLabelFormats.day;
|
}
|
|
xDateFormat = xDateFormat || dateTimeLabelFormats.year; // #2546, 2581
|
|
}
|
|
// Insert the header date format if any
|
if (isDateTime && xDateFormat) {
|
headerFormat = headerFormat.replace('{point.key}', '{point.key:' + xDateFormat + '}');
|
}
|
|
return format(headerFormat, {
|
point: point,
|
series: series
|
});
|
}
|
};
|
|
var hoverChartIndex;
|
|
// Global flag for touch support
|
hasTouch = doc.documentElement.ontouchstart !== UNDEFINED;
|
|
/**
|
* The mouse tracker object. All methods starting with "on" are primary DOM event handlers.
|
* Subsequent methods should be named differently from what they are doing.
|
* @param {Object} chart The Chart instance
|
* @param {Object} options The root options object
|
*/
|
var Pointer = Highcharts.Pointer = function (chart, options) {
|
this.init(chart, options);
|
};
|
|
Pointer.prototype = {
|
/**
|
* Initialize Pointer
|
*/
|
init: function (chart, options) {
|
|
var chartOptions = options.chart,
|
chartEvents = chartOptions.events,
|
zoomType = useCanVG ? '' : chartOptions.zoomType,
|
inverted = chart.inverted,
|
zoomX,
|
zoomY;
|
|
// Store references
|
this.options = options;
|
this.chart = chart;
|
|
// Zoom status
|
this.zoomX = zoomX = /x/.test(zoomType);
|
this.zoomY = zoomY = /y/.test(zoomType);
|
this.zoomHor = (zoomX && !inverted) || (zoomY && inverted);
|
this.zoomVert = (zoomY && !inverted) || (zoomX && inverted);
|
this.hasZoom = zoomX || zoomY;
|
|
// Do we need to handle click on a touch device?
|
this.runChartClick = chartEvents && !!chartEvents.click;
|
|
this.pinchDown = [];
|
this.lastValidTouch = {};
|
|
if (Highcharts.Tooltip && options.tooltip.enabled) {
|
chart.tooltip = new Tooltip(chart, options.tooltip);
|
this.followTouchMove = options.tooltip.followTouchMove;
|
}
|
|
this.setDOMEvents();
|
},
|
|
/**
|
* Add crossbrowser support for chartX and chartY
|
* @param {Object} e The event object in standard browsers
|
*/
|
normalize: function (e, chartPosition) {
|
var chartX,
|
chartY,
|
ePos;
|
|
// common IE normalizing
|
e = e || window.event;
|
|
// Framework specific normalizing (#1165)
|
e = washMouseEvent(e);
|
|
// More IE normalizing, needs to go after washMouseEvent
|
if (!e.target) {
|
e.target = e.srcElement;
|
}
|
|
// iOS (#2757)
|
ePos = e.touches ? (e.touches.length ? e.touches.item(0) : e.changedTouches[0]) : e;
|
|
// Get mouse position
|
if (!chartPosition) {
|
this.chartPosition = chartPosition = offset(this.chart.container);
|
}
|
|
// chartX and chartY
|
if (ePos.pageX === UNDEFINED) { // IE < 9. #886.
|
chartX = mathMax(e.x, e.clientX - chartPosition.left); // #2005, #2129: the second case is
|
// for IE10 quirks mode within framesets
|
chartY = e.y;
|
} else {
|
chartX = ePos.pageX - chartPosition.left;
|
chartY = ePos.pageY - chartPosition.top;
|
}
|
|
return extend(e, {
|
chartX: mathRound(chartX),
|
chartY: mathRound(chartY)
|
});
|
},
|
|
/**
|
* Get the click position in terms of axis values.
|
*
|
* @param {Object} e A pointer event
|
*/
|
getCoordinates: function (e) {
|
var coordinates = {
|
xAxis: [],
|
yAxis: []
|
};
|
|
each(this.chart.axes, function (axis) {
|
coordinates[axis.isXAxis ? 'xAxis' : 'yAxis'].push({
|
axis: axis,
|
value: axis.toValue(e[axis.horiz ? 'chartX' : 'chartY'])
|
});
|
});
|
return coordinates;
|
},
|
|
/**
|
* Return the index in the tooltipPoints array, corresponding to pixel position in
|
* the plot area.
|
*/
|
getIndex: function (e) {
|
var chart = this.chart;
|
return chart.inverted ?
|
chart.plotHeight + chart.plotTop - e.chartY :
|
e.chartX - chart.plotLeft;
|
},
|
|
/**
|
* With line type charts with a single tracker, get the point closest to the mouse.
|
* Run Point.onMouseOver and display tooltip for the point or points.
|
*/
|
runPointActions: function (e) {
|
var pointer = this,
|
chart = pointer.chart,
|
series = chart.series,
|
tooltip = chart.tooltip,
|
followPointer,
|
point,
|
points,
|
hoverPoint = chart.hoverPoint,
|
hoverSeries = chart.hoverSeries,
|
i,
|
j,
|
distance = chart.chartWidth,
|
index = pointer.getIndex(e),
|
anchor;
|
|
// shared tooltip
|
if (tooltip && pointer.options.tooltip.shared && !(hoverSeries && hoverSeries.noSharedTooltip)) {
|
points = [];
|
|
// loop over all series and find the ones with points closest to the mouse
|
i = series.length;
|
for (j = 0; j < i; j++) {
|
if (series[j].visible &&
|
series[j].options.enableMouseTracking !== false &&
|
!series[j].noSharedTooltip && series[j].singularTooltips !== true && series[j].tooltipPoints.length) {
|
point = series[j].tooltipPoints[index];
|
if (point && point.series) { // not a dummy point, #1544
|
point._dist = mathAbs(index - point.clientX);
|
distance = mathMin(distance, point._dist);
|
points.push(point);
|
}
|
}
|
}
|
// remove furthest points
|
i = points.length;
|
while (i--) {
|
if (points[i]._dist > distance) {
|
points.splice(i, 1);
|
}
|
}
|
// refresh the tooltip if necessary
|
if (points.length && (points[0].clientX !== pointer.hoverX)) {
|
tooltip.refresh(points, e);
|
pointer.hoverX = points[0].clientX;
|
}
|
}
|
|
// Separate tooltip and general mouse events
|
followPointer = hoverSeries && hoverSeries.tooltipOptions.followPointer;
|
if (hoverSeries && hoverSeries.tracker && !followPointer) { // #2584, #2830
|
|
// get the point
|
point = hoverSeries.tooltipPoints[index];
|
|
// a new point is hovered, refresh the tooltip
|
if (point && point !== hoverPoint) {
|
|
// trigger the events
|
point.onMouseOver(e);
|
|
}
|
|
} else if (tooltip && followPointer && !tooltip.isHidden) {
|
anchor = tooltip.getAnchor([{}], e);
|
tooltip.updatePosition({ plotX: anchor[0], plotY: anchor[1] });
|
}
|
|
// Start the event listener to pick up the tooltip
|
if (tooltip && !pointer._onDocumentMouseMove) {
|
pointer._onDocumentMouseMove = function (e) {
|
if (charts[hoverChartIndex]) {
|
charts[hoverChartIndex].pointer.onDocumentMouseMove(e);
|
}
|
};
|
addEvent(doc, 'mousemove', pointer._onDocumentMouseMove);
|
}
|
|
// Draw independent crosshairs
|
each(chart.axes, function (axis) {
|
axis.drawCrosshair(e, pick(point, hoverPoint));
|
});
|
},
|
|
|
|
/**
|
* Reset the tracking by hiding the tooltip, the hover series state and the hover point
|
*
|
* @param allowMove {Boolean} Instead of destroying the tooltip altogether, allow moving it if possible
|
*/
|
reset: function (allowMove) {
|
var pointer = this,
|
chart = pointer.chart,
|
hoverSeries = chart.hoverSeries,
|
hoverPoint = chart.hoverPoint,
|
tooltip = chart.tooltip,
|
tooltipPoints = tooltip && tooltip.shared ? chart.hoverPoints : hoverPoint;
|
|
// Narrow in allowMove
|
allowMove = allowMove && tooltip && tooltipPoints;
|
|
// Check if the points have moved outside the plot area, #1003
|
if (allowMove && splat(tooltipPoints)[0].plotX === UNDEFINED) {
|
allowMove = false;
|
}
|
|
// Just move the tooltip, #349
|
if (allowMove) {
|
tooltip.refresh(tooltipPoints);
|
if (hoverPoint) { // #2500
|
hoverPoint.setState(hoverPoint.state, true);
|
}
|
|
// Full reset
|
} else {
|
|
if (hoverPoint) {
|
hoverPoint.onMouseOut();
|
}
|
|
if (hoverSeries) {
|
hoverSeries.onMouseOut();
|
}
|
|
if (tooltip) {
|
tooltip.hide();
|
}
|
|
if (pointer._onDocumentMouseMove) {
|
removeEvent(doc, 'mousemove', pointer._onDocumentMouseMove);
|
pointer._onDocumentMouseMove = null;
|
}
|
|
// Remove crosshairs
|
each(chart.axes, function (axis) {
|
axis.hideCrosshair();
|
});
|
|
pointer.hoverX = null;
|
|
}
|
},
|
|
/**
|
* Scale series groups to a certain scale and translation
|
*/
|
scaleGroups: function (attribs, clip) {
|
|
var chart = this.chart,
|
seriesAttribs;
|
|
// Scale each series
|
each(chart.series, function (series) {
|
seriesAttribs = attribs || series.getPlotBox(); // #1701
|
if (series.xAxis && series.xAxis.zoomEnabled) {
|
series.group.attr(seriesAttribs);
|
if (series.markerGroup) {
|
series.markerGroup.attr(seriesAttribs);
|
series.markerGroup.clip(clip ? chart.clipRect : null);
|
}
|
if (series.dataLabelsGroup) {
|
series.dataLabelsGroup.attr(seriesAttribs);
|
}
|
}
|
});
|
|
// Clip
|
chart.clipRect.attr(clip || chart.clipBox);
|
},
|
|
/**
|
* Start a drag operation
|
*/
|
dragStart: function (e) {
|
var chart = this.chart;
|
|
// Record the start position
|
chart.mouseIsDown = e.type;
|
chart.cancelClick = false;
|
chart.mouseDownX = this.mouseDownX = e.chartX;
|
chart.mouseDownY = this.mouseDownY = e.chartY;
|
},
|
|
/**
|
* Perform a drag operation in response to a mousemove event while the mouse is down
|
*/
|
drag: function (e) {
|
|
var chart = this.chart,
|
chartOptions = chart.options.chart,
|
chartX = e.chartX,
|
chartY = e.chartY,
|
zoomHor = this.zoomHor,
|
zoomVert = this.zoomVert,
|
plotLeft = chart.plotLeft,
|
plotTop = chart.plotTop,
|
plotWidth = chart.plotWidth,
|
plotHeight = chart.plotHeight,
|
clickedInside,
|
size,
|
mouseDownX = this.mouseDownX,
|
mouseDownY = this.mouseDownY,
|
panKey = chartOptions.panKey && e[chartOptions.panKey + 'Key'];
|
|
// If the mouse is outside the plot area, adjust to cooordinates
|
// inside to prevent the selection marker from going outside
|
if (chartX < plotLeft) {
|
chartX = plotLeft;
|
} else if (chartX > plotLeft + plotWidth) {
|
chartX = plotLeft + plotWidth;
|
}
|
|
if (chartY < plotTop) {
|
chartY = plotTop;
|
} else if (chartY > plotTop + plotHeight) {
|
chartY = plotTop + plotHeight;
|
}
|
|
// determine if the mouse has moved more than 10px
|
this.hasDragged = Math.sqrt(
|
Math.pow(mouseDownX - chartX, 2) +
|
Math.pow(mouseDownY - chartY, 2)
|
);
|
|
if (this.hasDragged > 10) {
|
clickedInside = chart.isInsidePlot(mouseDownX - plotLeft, mouseDownY - plotTop);
|
|
// make a selection
|
if (chart.hasCartesianSeries && (this.zoomX || this.zoomY) && clickedInside && !panKey) {
|
if (!this.selectionMarker) {
|
this.selectionMarker = chart.renderer.rect(
|
plotLeft,
|
plotTop,
|
zoomHor ? 1 : plotWidth,
|
zoomVert ? 1 : plotHeight,
|
0
|
)
|
.attr({
|
fill: chartOptions.selectionMarkerFill || 'rgba(69,114,167,0.25)',
|
zIndex: 7
|
})
|
.add();
|
}
|
}
|
|
// adjust the width of the selection marker
|
if (this.selectionMarker && zoomHor) {
|
size = chartX - mouseDownX;
|
this.selectionMarker.attr({
|
width: mathAbs(size),
|
x: (size > 0 ? 0 : size) + mouseDownX
|
});
|
}
|
// adjust the height of the selection marker
|
if (this.selectionMarker && zoomVert) {
|
size = chartY - mouseDownY;
|
this.selectionMarker.attr({
|
height: mathAbs(size),
|
y: (size > 0 ? 0 : size) + mouseDownY
|
});
|
}
|
|
// panning
|
if (clickedInside && !this.selectionMarker && chartOptions.panning) {
|
chart.pan(e, chartOptions.panning);
|
}
|
}
|
},
|
|
/**
|
* On mouse up or touch end across the entire document, drop the selection.
|
*/
|
drop: function (e) {
|
var chart = this.chart,
|
hasPinched = this.hasPinched;
|
|
if (this.selectionMarker) {
|
var selectionData = {
|
xAxis: [],
|
yAxis: [],
|
originalEvent: e.originalEvent || e
|
},
|
selectionBox = this.selectionMarker,
|
selectionLeft = selectionBox.attr ? selectionBox.attr('x') : selectionBox.x,
|
selectionTop = selectionBox.attr ? selectionBox.attr('y') : selectionBox.y,
|
selectionWidth = selectionBox.attr ? selectionBox.attr('width') : selectionBox.width,
|
selectionHeight = selectionBox.attr ? selectionBox.attr('height') : selectionBox.height,
|
runZoom;
|
|
// a selection has been made
|
if (this.hasDragged || hasPinched) {
|
|
// record each axis' min and max
|
each(chart.axes, function (axis) {
|
if (axis.zoomEnabled) {
|
var horiz = axis.horiz,
|
minPixelPadding = e.type === 'touchend' ? axis.minPixelPadding: 0, // #1207, #3075
|
selectionMin = axis.toValue((horiz ? selectionLeft : selectionTop) + minPixelPadding),
|
selectionMax = axis.toValue((horiz ? selectionLeft + selectionWidth : selectionTop + selectionHeight) - minPixelPadding);
|
|
if (!isNaN(selectionMin) && !isNaN(selectionMax)) { // #859
|
selectionData[axis.coll].push({
|
axis: axis,
|
min: mathMin(selectionMin, selectionMax), // for reversed axes,
|
max: mathMax(selectionMin, selectionMax)
|
});
|
runZoom = true;
|
}
|
}
|
});
|
if (runZoom) {
|
fireEvent(chart, 'selection', selectionData, function (args) {
|
chart.zoom(extend(args, hasPinched ? { animation: false } : null));
|
});
|
}
|
|
}
|
this.selectionMarker = this.selectionMarker.destroy();
|
|
// Reset scaling preview
|
if (hasPinched) {
|
this.scaleGroups();
|
}
|
}
|
|
// Reset all
|
if (chart) { // it may be destroyed on mouse up - #877
|
css(chart.container, { cursor: chart._cursor });
|
chart.cancelClick = this.hasDragged > 10; // #370
|
chart.mouseIsDown = this.hasDragged = this.hasPinched = false;
|
this.pinchDown = [];
|
}
|
},
|
|
onContainerMouseDown: function (e) {
|
|
e = this.normalize(e);
|
|
// issue #295, dragging not always working in Firefox
|
if (e.preventDefault) {
|
e.preventDefault();
|
}
|
|
this.dragStart(e);
|
},
|
|
|
|
onDocumentMouseUp: function (e) {
|
if (charts[hoverChartIndex]) {
|
charts[hoverChartIndex].pointer.drop(e);
|
}
|
},
|
|
/**
|
* Special handler for mouse move that will hide the tooltip when the mouse leaves the plotarea.
|
* Issue #149 workaround. The mouseleave event does not always fire.
|
*/
|
onDocumentMouseMove: function (e) {
|
var chart = this.chart,
|
chartPosition = this.chartPosition,
|
hoverSeries = chart.hoverSeries;
|
|
e = this.normalize(e, chartPosition);
|
|
// If we're outside, hide the tooltip
|
if (chartPosition && hoverSeries && !this.inClass(e.target, 'highcharts-tracker') &&
|
!chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
|
this.reset();
|
}
|
},
|
|
/**
|
* When mouse leaves the container, hide the tooltip.
|
*/
|
onContainerMouseLeave: function () {
|
var chart = charts[hoverChartIndex];
|
if (chart) {
|
chart.pointer.reset();
|
chart.pointer.chartPosition = null; // also reset the chart position, used in #149 fix
|
}
|
},
|
|
// The mousemove, touchmove and touchstart event handler
|
onContainerMouseMove: function (e) {
|
|
var chart = this.chart;
|
|
hoverChartIndex = chart.index;
|
|
e = this.normalize(e);
|
e.returnValue = false; // #2251, #3224
|
|
if (chart.mouseIsDown === 'mousedown') {
|
this.drag(e);
|
}
|
|
// Show the tooltip and run mouse over events (#977)
|
if ((this.inClass(e.target, 'highcharts-tracker') ||
|
chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) && !chart.openMenu) {
|
this.runPointActions(e);
|
}
|
},
|
|
/**
|
* Utility to detect whether an element has, or has a parent with, a specific
|
* class name. Used on detection of tracker objects and on deciding whether
|
* hovering the tooltip should cause the active series to mouse out.
|
*/
|
inClass: function (element, className) {
|
var elemClassName;
|
while (element) {
|
elemClassName = attr(element, 'class');
|
if (elemClassName) {
|
if (elemClassName.indexOf(className) !== -1) {
|
return true;
|
} else if (elemClassName.indexOf(PREFIX + 'container') !== -1) {
|
return false;
|
}
|
}
|
element = element.parentNode;
|
}
|
},
|
|
onTrackerMouseOut: function (e) {
|
var series = this.chart.hoverSeries,
|
relatedTarget = e.relatedTarget || e.toElement,
|
relatedSeries = relatedTarget && relatedTarget.point && relatedTarget.point.series; // #2499
|
|
if (series && !series.options.stickyTracking && !this.inClass(relatedTarget, PREFIX + 'tooltip') &&
|
relatedSeries !== series) {
|
series.onMouseOut();
|
}
|
},
|
|
onContainerClick: function (e) {
|
var chart = this.chart,
|
hoverPoint = chart.hoverPoint,
|
plotLeft = chart.plotLeft,
|
plotTop = chart.plotTop;
|
|
e = this.normalize(e);
|
e.cancelBubble = true; // IE specific
|
|
if (!chart.cancelClick) {
|
|
// On tracker click, fire the series and point events. #783, #1583
|
if (hoverPoint && this.inClass(e.target, PREFIX + 'tracker')) {
|
|
// the series click event
|
fireEvent(hoverPoint.series, 'click', extend(e, {
|
point: hoverPoint
|
}));
|
|
// the point click event
|
if (chart.hoverPoint) { // it may be destroyed (#1844)
|
hoverPoint.firePointEvent('click', e);
|
}
|
|
// When clicking outside a tracker, fire a chart event
|
} else {
|
extend(e, this.getCoordinates(e));
|
|
// fire a click event in the chart
|
if (chart.isInsidePlot(e.chartX - plotLeft, e.chartY - plotTop)) {
|
fireEvent(chart, 'click', e);
|
}
|
}
|
|
|
}
|
},
|
|
/**
|
* Set the JS DOM events on the container and document. This method should contain
|
* a one-to-one assignment between methods and their handlers. Any advanced logic should
|
* be moved to the handler reflecting the event's name.
|
*/
|
setDOMEvents: function () {
|
|
var pointer = this,
|
container = pointer.chart.container;
|
|
container.onmousedown = function (e) {
|
pointer.onContainerMouseDown(e);
|
};
|
container.onmousemove = function (e) {
|
pointer.onContainerMouseMove(e);
|
};
|
container.onclick = function (e) {
|
pointer.onContainerClick(e);
|
};
|
addEvent(container, 'mouseleave', pointer.onContainerMouseLeave);
|
if (chartCount === 1) {
|
addEvent(doc, 'mouseup', pointer.onDocumentMouseUp);
|
}
|
if (hasTouch) {
|
container.ontouchstart = function (e) {
|
pointer.onContainerTouchStart(e);
|
};
|
container.ontouchmove = function (e) {
|
pointer.onContainerTouchMove(e);
|
};
|
if (chartCount === 1) {
|
addEvent(doc, 'touchend', pointer.onDocumentTouchEnd);
|
}
|
}
|
|
},
|
|
/**
|
* Destroys the Pointer object and disconnects DOM events.
|
*/
|
destroy: function () {
|
var prop;
|
|
removeEvent(this.chart.container, 'mouseleave', this.onContainerMouseLeave);
|
if (!chartCount) {
|
removeEvent(doc, 'mouseup', this.onDocumentMouseUp);
|
removeEvent(doc, 'touchend', this.onDocumentTouchEnd);
|
}
|
|
// memory and CPU leak
|
clearInterval(this.tooltipTimeout);
|
|
for (prop in this) {
|
this[prop] = null;
|
}
|
}
|
};
|
|
|
/* Support for touch devices */
|
extend(Highcharts.Pointer.prototype, {
|
|
/**
|
* Run translation operations
|
*/
|
pinchTranslate: function (pinchDown, touches, transform, selectionMarker, clip, lastValidTouch) {
|
if (this.zoomHor || this.pinchHor) {
|
this.pinchTranslateDirection(true, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
|
}
|
if (this.zoomVert || this.pinchVert) {
|
this.pinchTranslateDirection(false, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
|
}
|
},
|
|
/**
|
* Run translation operations for each direction (horizontal and vertical) independently
|
*/
|
pinchTranslateDirection: function (horiz, pinchDown, touches, transform, selectionMarker, clip, lastValidTouch, forcedScale) {
|
var chart = this.chart,
|
xy = horiz ? 'x' : 'y',
|
XY = horiz ? 'X' : 'Y',
|
sChartXY = 'chart' + XY,
|
wh = horiz ? 'width' : 'height',
|
plotLeftTop = chart['plot' + (horiz ? 'Left' : 'Top')],
|
selectionWH,
|
selectionXY,
|
clipXY,
|
scale = forcedScale || 1,
|
inverted = chart.inverted,
|
bounds = chart.bounds[horiz ? 'h' : 'v'],
|
singleTouch = pinchDown.length === 1,
|
touch0Start = pinchDown[0][sChartXY],
|
touch0Now = touches[0][sChartXY],
|
touch1Start = !singleTouch && pinchDown[1][sChartXY],
|
touch1Now = !singleTouch && touches[1][sChartXY],
|
outOfBounds,
|
transformScale,
|
scaleKey,
|
setScale = function () {
|
if (!singleTouch && mathAbs(touch0Start - touch1Start) > 20) { // Don't zoom if fingers are too close on this axis
|
scale = forcedScale || mathAbs(touch0Now - touch1Now) / mathAbs(touch0Start - touch1Start);
|
}
|
|
clipXY = ((plotLeftTop - touch0Now) / scale) + touch0Start;
|
selectionWH = chart['plot' + (horiz ? 'Width' : 'Height')] / scale;
|
};
|
|
// Set the scale, first pass
|
setScale();
|
|
selectionXY = clipXY; // the clip position (x or y) is altered if out of bounds, the selection position is not
|
|
// Out of bounds
|
if (selectionXY < bounds.min) {
|
selectionXY = bounds.min;
|
outOfBounds = true;
|
} else if (selectionXY + selectionWH > bounds.max) {
|
selectionXY = bounds.max - selectionWH;
|
outOfBounds = true;
|
}
|
|
// Is the chart dragged off its bounds, determined by dataMin and dataMax?
|
if (outOfBounds) {
|
|
// Modify the touchNow position in order to create an elastic drag movement. This indicates
|
// to the user that the chart is responsive but can't be dragged further.
|
touch0Now -= 0.8 * (touch0Now - lastValidTouch[xy][0]);
|
if (!singleTouch) {
|
touch1Now -= 0.8 * (touch1Now - lastValidTouch[xy][1]);
|
}
|
|
// Set the scale, second pass to adapt to the modified touchNow positions
|
setScale();
|
|
} else {
|
lastValidTouch[xy] = [touch0Now, touch1Now];
|
}
|
|
// Set geometry for clipping, selection and transformation
|
if (!inverted) { // TODO: implement clipping for inverted charts
|
clip[xy] = clipXY - plotLeftTop;
|
clip[wh] = selectionWH;
|
}
|
scaleKey = inverted ? (horiz ? 'scaleY' : 'scaleX') : 'scale' + XY;
|
transformScale = inverted ? 1 / scale : scale;
|
|
selectionMarker[wh] = selectionWH;
|
selectionMarker[xy] = selectionXY;
|
transform[scaleKey] = scale;
|
transform['translate' + XY] = (transformScale * plotLeftTop) + (touch0Now - (transformScale * touch0Start));
|
},
|
|
/**
|
* Handle touch events with two touches
|
*/
|
pinch: function (e) {
|
|
var self = this,
|
chart = self.chart,
|
pinchDown = self.pinchDown,
|
followTouchMove = self.followTouchMove,
|
touches = e.touches,
|
touchesLength = touches.length,
|
lastValidTouch = self.lastValidTouch,
|
hasZoom = self.hasZoom,
|
selectionMarker = self.selectionMarker,
|
transform = {},
|
fireClickEvent = touchesLength === 1 && ((self.inClass(e.target, PREFIX + 'tracker') &&
|
chart.runTrackerClick) || chart.runChartClick),
|
clip = {};
|
|
// On touch devices, only proceed to trigger click if a handler is defined
|
if ((hasZoom || followTouchMove) && !fireClickEvent) {
|
e.preventDefault();
|
}
|
|
// Normalize each touch
|
map(touches, function (e) {
|
return self.normalize(e);
|
});
|
|
// Register the touch start position
|
if (e.type === 'touchstart') {
|
each(touches, function (e, i) {
|
pinchDown[i] = { chartX: e.chartX, chartY: e.chartY };
|
});
|
lastValidTouch.x = [pinchDown[0].chartX, pinchDown[1] && pinchDown[1].chartX];
|
lastValidTouch.y = [pinchDown[0].chartY, pinchDown[1] && pinchDown[1].chartY];
|
|
// Identify the data bounds in pixels
|
each(chart.axes, function (axis) {
|
if (axis.zoomEnabled) {
|
var bounds = chart.bounds[axis.horiz ? 'h' : 'v'],
|
minPixelPadding = axis.minPixelPadding,
|
min = axis.toPixels(pick(axis.options.min, axis.dataMin)),
|
max = axis.toPixels(pick(axis.options.max, axis.dataMax)),
|
absMin = mathMin(min, max),
|
absMax = mathMax(min, max);
|
|
// Store the bounds for use in the touchmove handler
|
bounds.min = mathMin(axis.pos, absMin - minPixelPadding);
|
bounds.max = mathMax(axis.pos + axis.len, absMax + minPixelPadding);
|
}
|
});
|
|
// Event type is touchmove, handle panning and pinching
|
} else if (pinchDown.length) { // can be 0 when releasing, if touchend fires first
|
|
|
// Set the marker
|
if (!selectionMarker) {
|
self.selectionMarker = selectionMarker = extend({
|
destroy: noop
|
}, chart.plotBox);
|
}
|
|
self.pinchTranslate(pinchDown, touches, transform, selectionMarker, clip, lastValidTouch);
|
|
self.hasPinched = hasZoom;
|
|
// Scale and translate the groups to provide visual feedback during pinching
|
self.scaleGroups(transform, clip);
|
|
// Optionally move the tooltip on touchmove
|
if (!hasZoom && followTouchMove && touchesLength === 1) {
|
this.runPointActions(self.normalize(e));
|
}
|
}
|
},
|
|
onContainerTouchStart: function (e) {
|
var chart = this.chart;
|
|
hoverChartIndex = chart.index;
|
|
if (e.touches.length === 1) {
|
|
e = this.normalize(e);
|
|
if (chart.isInsidePlot(e.chartX - chart.plotLeft, e.chartY - chart.plotTop)) {
|
|
// Run mouse events and display tooltip etc
|
this.runPointActions(e);
|
|
this.pinch(e);
|
|
} else {
|
// Hide the tooltip on touching outside the plot area (#1203)
|
this.reset();
|
}
|
|
} else if (e.touches.length === 2) {
|
this.pinch(e);
|
}
|
},
|
|
onContainerTouchMove: function (e) {
|
if (e.touches.length === 1 || e.touches.length === 2) {
|
this.pinch(e);
|
}
|
},
|
|
onDocumentTouchEnd: function (e) {
|
if (charts[hoverChartIndex]) {
|
charts[hoverChartIndex].pointer.drop(e);
|
}
|
}
|
|
});
|
if (win.PointerEvent || win.MSPointerEvent) {
|
|
// The touches object keeps track of the points being touched at all times
|
var touches = {},
|
hasPointerEvent = !!win.PointerEvent,
|
getWebkitTouches = function () {
|
var key, fake = [];
|
fake.item = function (i) { return this[i]; };
|
for (key in touches) {
|
if (touches.hasOwnProperty(key)) {
|
fake.push({
|
pageX: touches[key].pageX,
|
pageY: touches[key].pageY,
|
target: touches[key].target
|
});
|
}
|
}
|
return fake;
|
},
|
translateMSPointer = function (e, method, wktype, callback) {
|
var p;
|
e = e.originalEvent || e;
|
if ((e.pointerType === 'touch' || e.pointerType === e.MSPOINTER_TYPE_TOUCH) && charts[hoverChartIndex]) {
|
callback(e);
|
p = charts[hoverChartIndex].pointer;
|
p[method]({
|
type: wktype,
|
target: e.currentTarget,
|
preventDefault: noop,
|
touches: getWebkitTouches()
|
});
|
}
|
};
|
|
/**
|
* Extend the Pointer prototype with methods for each event handler and more
|
*/
|
extend(Pointer.prototype, {
|
onContainerPointerDown: function (e) {
|
translateMSPointer(e, 'onContainerTouchStart', 'touchstart', function (e) {
|
touches[e.pointerId] = { pageX: e.pageX, pageY: e.pageY, target: e.currentTarget };
|
});
|
},
|
onContainerPointerMove: function (e) {
|
translateMSPointer(e, 'onContainerTouchMove', 'touchmove', function (e) {
|
touches[e.pointerId] = { pageX: e.pageX, pageY: e.pageY };
|
if (!touches[e.pointerId].target) {
|
touches[e.pointerId].target = e.currentTarget;
|
}
|
});
|
},
|
onDocumentPointerUp: function (e) {
|
translateMSPointer(e, 'onContainerTouchEnd', 'touchend', function (e) {
|
delete touches[e.pointerId];
|
});
|
},
|
|
/**
|
* Add or remove the MS Pointer specific events
|
*/
|
batchMSEvents: function (fn) {
|
fn(this.chart.container, hasPointerEvent ? 'pointerdown' : 'MSPointerDown', this.onContainerPointerDown);
|
fn(this.chart.container, hasPointerEvent ? 'pointermove' : 'MSPointerMove', this.onContainerPointerMove);
|
fn(doc, hasPointerEvent ? 'pointerup' : 'MSPointerUp', this.onDocumentPointerUp);
|
}
|
});
|
|
// Disable default IE actions for pinch and such on chart element
|
wrap(Pointer.prototype, 'init', function (proceed, chart, options) {
|
proceed.call(this, chart, options);
|
if (this.hasZoom || this.followTouchMove) {
|
css(chart.container, {
|
'-ms-touch-action': NONE,
|
'touch-action': NONE
|
});
|
}
|
});
|
|
// Add IE specific touch events to chart
|
wrap(Pointer.prototype, 'setDOMEvents', function (proceed) {
|
proceed.apply(this);
|
if (this.hasZoom || this.followTouchMove) {
|
this.batchMSEvents(addEvent);
|
}
|
});
|
// Destroy MS events also
|
wrap(Pointer.prototype, 'destroy', function (proceed) {
|
this.batchMSEvents(removeEvent);
|
proceed.call(this);
|
});
|
}
|
/**
|
* The overview of the chart's series
|
*/
|
var Legend = Highcharts.Legend = function (chart, options) {
|
this.init(chart, options);
|
};
|
|
Legend.prototype = {
|
|
/**
|
* Initialize the legend
|
*/
|
init: function (chart, options) {
|
|
var legend = this,
|
itemStyle = options.itemStyle,
|
padding = pick(options.padding, 8),
|
itemMarginTop = options.itemMarginTop || 0;
|
|
this.options = options;
|
|
if (!options.enabled) {
|
return;
|
}
|
|
legend.itemStyle = itemStyle;
|
legend.itemHiddenStyle = merge(itemStyle, options.itemHiddenStyle);
|
legend.itemMarginTop = itemMarginTop;
|
legend.padding = padding;
|
legend.initialItemX = padding;
|
legend.initialItemY = padding - 5; // 5 is the number of pixels above the text
|
legend.maxItemWidth = 0;
|
legend.chart = chart;
|
legend.itemHeight = 0;
|
legend.lastLineHeight = 0;
|
legend.symbolWidth = pick(options.symbolWidth, 16);
|
legend.pages = [];
|
|
|
// Render it
|
legend.render();
|
|
// move checkboxes
|
addEvent(legend.chart, 'endResize', function () {
|
legend.positionCheckboxes();
|
});
|
|
},
|
|
/**
|
* Set the colors for the legend item
|
* @param {Object} item A Series or Point instance
|
* @param {Object} visible Dimmed or colored
|
*/
|
colorizeItem: function (item, visible) {
|
var legend = this,
|
options = legend.options,
|
legendItem = item.legendItem,
|
legendLine = item.legendLine,
|
legendSymbol = item.legendSymbol,
|
hiddenColor = legend.itemHiddenStyle.color,
|
textColor = visible ? options.itemStyle.color : hiddenColor,
|
symbolColor = visible ? (item.legendColor || item.color || '#CCC') : hiddenColor,
|
markerOptions = item.options && item.options.marker,
|
symbolAttr = { fill: symbolColor },
|
key,
|
val;
|
|
if (legendItem) {
|
legendItem.css({ fill: textColor, color: textColor }); // color for #1553, oldIE
|
}
|
if (legendLine) {
|
legendLine.attr({ stroke: symbolColor });
|
}
|
|
if (legendSymbol) {
|
|
// Apply marker options
|
if (markerOptions && legendSymbol.isMarker) { // #585
|
symbolAttr.stroke = symbolColor;
|
markerOptions = item.convertAttribs(markerOptions);
|
for (key in markerOptions) {
|
val = markerOptions[key];
|
if (val !== UNDEFINED) {
|
symbolAttr[key] = val;
|
}
|
}
|
}
|
|
legendSymbol.attr(symbolAttr);
|
}
|
},
|
|
/**
|
* Position the legend item
|
* @param {Object} item A Series or Point instance
|
*/
|
positionItem: function (item) {
|
var legend = this,
|
options = legend.options,
|
symbolPadding = options.symbolPadding,
|
ltr = !options.rtl,
|
legendItemPos = item._legendItemPos,
|
itemX = legendItemPos[0],
|
itemY = legendItemPos[1],
|
checkbox = item.checkbox;
|
|
if (item.legendGroup) {
|
item.legendGroup.translate(
|
ltr ? itemX : legend.legendWidth - itemX - 2 * symbolPadding - 4,
|
itemY
|
);
|
}
|
|
if (checkbox) {
|
checkbox.x = itemX;
|
checkbox.y = itemY;
|
}
|
},
|
|
/**
|
* Destroy a single legend item
|
* @param {Object} item The series or point
|
*/
|
destroyItem: function (item) {
|
var checkbox = item.checkbox;
|
|
// destroy SVG elements
|
each(['legendItem', 'legendLine', 'legendSymbol', 'legendGroup'], function (key) {
|
if (item[key]) {
|
item[key] = item[key].destroy();
|
}
|
});
|
|
if (checkbox) {
|
discardElement(item.checkbox);
|
}
|
},
|
|
/**
|
* Destroys the legend.
|
*/
|
destroy: function () {
|
var legend = this,
|
legendGroup = legend.group,
|
box = legend.box;
|
|
if (box) {
|
legend.box = box.destroy();
|
}
|
|
if (legendGroup) {
|
legend.group = legendGroup.destroy();
|
}
|
},
|
|
/**
|
* Position the checkboxes after the width is determined
|
*/
|
positionCheckboxes: function (scrollOffset) {
|
var alignAttr = this.group.alignAttr,
|
translateY,
|
clipHeight = this.clipHeight || this.legendHeight;
|
|
if (alignAttr) {
|
translateY = alignAttr.translateY;
|
each(this.allItems, function (item) {
|
var checkbox = item.checkbox,
|
top;
|
|
if (checkbox) {
|
top = (translateY + checkbox.y + (scrollOffset || 0) + 3);
|
css(checkbox, {
|
left: (alignAttr.translateX + item.checkboxOffset + checkbox.x - 20) + PX,
|
top: top + PX,
|
display: top > translateY - 6 && top < translateY + clipHeight - 6 ? '' : NONE
|
});
|
}
|
});
|
}
|
},
|
|
/**
|
* Render the legend title on top of the legend
|
*/
|
renderTitle: function () {
|
var options = this.options,
|
padding = this.padding,
|
titleOptions = options.title,
|
titleHeight = 0,
|
bBox;
|
|
if (titleOptions.text) {
|
if (!this.title) {
|
this.title = this.chart.renderer.label(titleOptions.text, padding - 3, padding - 4, null, null, null, null, null, 'legend-title')
|
.attr({ zIndex: 1 })
|
.css(titleOptions.style)
|
.add(this.group);
|
}
|
bBox = this.title.getBBox();
|
titleHeight = bBox.height;
|
this.offsetWidth = bBox.width; // #1717
|
this.contentGroup.attr({ translateY: titleHeight });
|
}
|
this.titleHeight = titleHeight;
|
},
|
|
/**
|
* Render a single specific legend item
|
* @param {Object} item A series or point
|
*/
|
renderItem: function (item) {
|
var legend = this,
|
chart = legend.chart,
|
renderer = chart.renderer,
|
options = legend.options,
|
horizontal = options.layout === 'horizontal',
|
symbolWidth = legend.symbolWidth,
|
symbolPadding = options.symbolPadding,
|
itemStyle = legend.itemStyle,
|
itemHiddenStyle = legend.itemHiddenStyle,
|
padding = legend.padding,
|
itemDistance = horizontal ? pick(options.itemDistance, 20) : 0,
|
ltr = !options.rtl,
|
itemHeight,
|
widthOption = options.width,
|
itemMarginBottom = options.itemMarginBottom || 0,
|
itemMarginTop = legend.itemMarginTop,
|
initialItemX = legend.initialItemX,
|
bBox,
|
itemWidth,
|
li = item.legendItem,
|
series = item.series && item.series.drawLegendSymbol ? item.series : item,
|
seriesOptions = series.options,
|
showCheckbox = legend.createCheckboxForItem && seriesOptions && seriesOptions.showCheckbox,
|
useHTML = options.useHTML;
|
|
if (!li) { // generate it once, later move it
|
|
// Generate the group box
|
// A group to hold the symbol and text. Text is to be appended in Legend class.
|
item.legendGroup = renderer.g('legend-item')
|
.attr({ zIndex: 1 })
|
.add(legend.scrollGroup);
|
|
// Generate the list item text and add it to the group
|
item.legendItem = li = renderer.text(
|
options.labelFormat ? format(options.labelFormat, item) : options.labelFormatter.call(item),
|
ltr ? symbolWidth + symbolPadding : -symbolPadding,
|
legend.baseline || 0,
|
useHTML
|
)
|
.css(merge(item.visible ? itemStyle : itemHiddenStyle)) // merge to prevent modifying original (#1021)
|
.attr({
|
align: ltr ? 'left' : 'right',
|
zIndex: 2
|
})
|
.add(item.legendGroup);
|
|
// Get the baseline for the first item - the font size is equal for all
|
if (!legend.baseline) {
|
legend.baseline = renderer.fontMetrics(itemStyle.fontSize, li).f + 3 + itemMarginTop;
|
li.attr('y', legend.baseline);
|
}
|
|
// Draw the legend symbol inside the group box
|
series.drawLegendSymbol(legend, item);
|
|
if (legend.setItemEvents) {
|
legend.setItemEvents(item, li, useHTML, itemStyle, itemHiddenStyle);
|
}
|
|
// Colorize the items
|
legend.colorizeItem(item, item.visible);
|
|
// add the HTML checkbox on top
|
if (showCheckbox) {
|
legend.createCheckboxForItem(item);
|
}
|
}
|
|
// calculate the positions for the next line
|
bBox = li.getBBox();
|
|
itemWidth = item.checkboxOffset =
|
options.itemWidth ||
|
item.legendItemWidth ||
|
symbolWidth + symbolPadding + bBox.width + itemDistance + (showCheckbox ? 20 : 0);
|
legend.itemHeight = itemHeight = mathRound(item.legendItemHeight || bBox.height);
|
|
// if the item exceeds the width, start a new line
|
if (horizontal && legend.itemX - initialItemX + itemWidth >
|
(widthOption || (chart.chartWidth - 2 * padding - initialItemX - options.x))) {
|
legend.itemX = initialItemX;
|
legend.itemY += itemMarginTop + legend.lastLineHeight + itemMarginBottom;
|
legend.lastLineHeight = 0; // reset for next line
|
}
|
|
// If the item exceeds the height, start a new column
|
/*if (!horizontal && legend.itemY + options.y + itemHeight > chart.chartHeight - spacingTop - spacingBottom) {
|
legend.itemY = legend.initialItemY;
|
legend.itemX += legend.maxItemWidth;
|
legend.maxItemWidth = 0;
|
}*/
|
|
// Set the edge positions
|
legend.maxItemWidth = mathMax(legend.maxItemWidth, itemWidth);
|
legend.lastItemY = itemMarginTop + legend.itemY + itemMarginBottom;
|
legend.lastLineHeight = mathMax(itemHeight, legend.lastLineHeight); // #915
|
|
// cache the position of the newly generated or reordered items
|
item._legendItemPos = [legend.itemX, legend.itemY];
|
|
// advance
|
if (horizontal) {
|
legend.itemX += itemWidth;
|
|
} else {
|
legend.itemY += itemMarginTop + itemHeight + itemMarginBottom;
|
legend.lastLineHeight = itemHeight;
|
}
|
|
// the width of the widest item
|
legend.offsetWidth = widthOption || mathMax(
|
(horizontal ? legend.itemX - initialItemX - itemDistance : itemWidth) + padding,
|
legend.offsetWidth
|
);
|
},
|
|
/**
|
* Get all items, which is one item per series for normal series and one item per point
|
* for pie series.
|
*/
|
getAllItems: function () {
|
var allItems = [];
|
each(this.chart.series, function (series) {
|
var seriesOptions = series.options;
|
|
// Handle showInLegend. If the series is linked to another series, defaults to false.
|
if (!pick(seriesOptions.showInLegend, !defined(seriesOptions.linkedTo) ? UNDEFINED : false, true)) {
|
return;
|
}
|
|
// use points or series for the legend item depending on legendType
|
allItems = allItems.concat(
|
series.legendItems ||
|
(seriesOptions.legendType === 'point' ?
|
series.data :
|
series)
|
);
|
});
|
return allItems;
|
},
|
|
/**
|
* Render the legend. This method can be called both before and after
|
* chart.render. If called after, it will only rearrange items instead
|
* of creating new ones.
|
*/
|
render: function () {
|
var legend = this,
|
chart = legend.chart,
|
renderer = chart.renderer,
|
legendGroup = legend.group,
|
allItems,
|
display,
|
legendWidth,
|
legendHeight,
|
box = legend.box,
|
options = legend.options,
|
padding = legend.padding,
|
legendBorderWidth = options.borderWidth,
|
legendBackgroundColor = options.backgroundColor;
|
|
legend.itemX = legend.initialItemX;
|
legend.itemY = legend.initialItemY;
|
legend.offsetWidth = 0;
|
legend.lastItemY = 0;
|
|
if (!legendGroup) {
|
legend.group = legendGroup = renderer.g('legend')
|
.attr({ zIndex: 7 })
|
.add();
|
legend.contentGroup = renderer.g()
|
.attr({ zIndex: 1 }) // above background
|
.add(legendGroup);
|
legend.scrollGroup = renderer.g()
|
.add(legend.contentGroup);
|
}
|
|
legend.renderTitle();
|
|
// add each series or point
|
allItems = legend.getAllItems();
|
|
// sort by legendIndex
|
stableSort(allItems, function (a, b) {
|
return ((a.options && a.options.legendIndex) || 0) - ((b.options && b.options.legendIndex) || 0);
|
});
|
|
// reversed legend
|
if (options.reversed) {
|
allItems.reverse();
|
}
|
|
legend.allItems = allItems;
|
legend.display = display = !!allItems.length;
|
|
// render the items
|
each(allItems, function (item) {
|
legend.renderItem(item);
|
});
|
|
// Draw the border
|
legendWidth = options.width || legend.offsetWidth;
|
legendHeight = legend.lastItemY + legend.lastLineHeight + legend.titleHeight;
|
|
|
legendHeight = legend.handleOverflow(legendHeight);
|
|
if (legendBorderWidth || legendBackgroundColor) {
|
legendWidth += padding;
|
legendHeight += padding;
|
|
if (!box) {
|
legend.box = box = renderer.rect(
|
0,
|
0,
|
legendWidth,
|
legendHeight,
|
options.borderRadius,
|
legendBorderWidth || 0
|
).attr({
|
stroke: options.borderColor,
|
'stroke-width': legendBorderWidth || 0,
|
fill: legendBackgroundColor || NONE
|
})
|
.add(legendGroup)
|
.shadow(options.shadow);
|
box.isNew = true;
|
|
} else if (legendWidth > 0 && legendHeight > 0) {
|
box[box.isNew ? 'attr' : 'animate'](
|
box.crisp({ width: legendWidth, height: legendHeight })
|
);
|
box.isNew = false;
|
}
|
|
// hide the border if no items
|
box[display ? 'show' : 'hide']();
|
}
|
|
legend.legendWidth = legendWidth;
|
legend.legendHeight = legendHeight;
|
|
// Now that the legend width and height are established, put the items in the
|
// final position
|
each(allItems, function (item) {
|
legend.positionItem(item);
|
});
|
|
// 1.x compatibility: positioning based on style
|
/*var props = ['left', 'right', 'top', 'bottom'],
|
prop,
|
i = 4;
|
while (i--) {
|
prop = props[i];
|
if (options.style[prop] && options.style[prop] !== 'auto') {
|
options[i < 2 ? 'align' : 'verticalAlign'] = prop;
|
options[i < 2 ? 'x' : 'y'] = pInt(options.style[prop]) * (i % 2 ? -1 : 1);
|
}
|
}*/
|
|
if (display) {
|
legendGroup.align(extend({
|
width: legendWidth,
|
height: legendHeight
|
}, options), true, 'spacingBox');
|
}
|
|
if (!chart.isResizing) {
|
this.positionCheckboxes();
|
}
|
},
|
|
/**
|
* Set up the overflow handling by adding navigation with up and down arrows below the
|
* legend.
|
*/
|
handleOverflow: function (legendHeight) {
|
var legend = this,
|
chart = this.chart,
|
renderer = chart.renderer,
|
options = this.options,
|
optionsY = options.y,
|
alignTop = options.verticalAlign === 'top',
|
spaceHeight = chart.spacingBox.height + (alignTop ? -optionsY : optionsY) - this.padding,
|
maxHeight = options.maxHeight,
|
clipHeight,
|
clipRect = this.clipRect,
|
navOptions = options.navigation,
|
animation = pick(navOptions.animation, true),
|
arrowSize = navOptions.arrowSize || 12,
|
nav = this.nav,
|
pages = this.pages,
|
lastY,
|
allItems = this.allItems;
|
|
// Adjust the height
|
if (options.layout === 'horizontal') {
|
spaceHeight /= 2;
|
}
|
if (maxHeight) {
|
spaceHeight = mathMin(spaceHeight, maxHeight);
|
}
|
|
// Reset the legend height and adjust the clipping rectangle
|
pages.length = 0;
|
if (legendHeight > spaceHeight && !options.useHTML) {
|
|
this.clipHeight = clipHeight = mathMax(spaceHeight - 20 - this.titleHeight - this.padding, 0);
|
this.currentPage = pick(this.currentPage, 1);
|
this.fullHeight = legendHeight;
|
|
// Fill pages with Y positions so that the top of each a legend item defines
|
// the scroll top for each page (#2098)
|
each(allItems, function (item, i) {
|
var y = item._legendItemPos[1],
|
h = mathRound(item.legendItem.getBBox().height),
|
len = pages.length;
|
|
if (!len || (y - pages[len - 1] > clipHeight && (lastY || y) !== pages[len - 1])) {
|
pages.push(lastY || y);
|
len++;
|
}
|
|
if (i === allItems.length - 1 && y + h - pages[len - 1] > clipHeight) {
|
pages.push(y);
|
}
|
if (y !== lastY) {
|
lastY = y;
|
}
|
});
|
|
// Only apply clipping if needed. Clipping causes blurred legend in PDF export (#1787)
|
if (!clipRect) {
|
clipRect = legend.clipRect = renderer.clipRect(0, this.padding, 9999, 0);
|
legend.contentGroup.clip(clipRect);
|
}
|
clipRect.attr({
|
height: clipHeight
|
});
|
|
// Add navigation elements
|
if (!nav) {
|
this.nav = nav = renderer.g().attr({ zIndex: 1 }).add(this.group);
|
this.up = renderer.symbol('triangle', 0, 0, arrowSize, arrowSize)
|
.on('click', function () {
|
legend.scroll(-1, animation);
|
})
|
.add(nav);
|
this.pager = renderer.text('', 15, 10)
|
.css(navOptions.style)
|
.add(nav);
|
this.down = renderer.symbol('triangle-down', 0, 0, arrowSize, arrowSize)
|
.on('click', function () {
|
legend.scroll(1, animation);
|
})
|
.add(nav);
|
}
|
|
// Set initial position
|
legend.scroll(0);
|
|
legendHeight = spaceHeight;
|
|
} else if (nav) {
|
clipRect.attr({
|
height: chart.chartHeight
|
});
|
nav.hide();
|
this.scrollGroup.attr({
|
translateY: 1
|
});
|
this.clipHeight = 0; // #1379
|
}
|
|
return legendHeight;
|
},
|
|
/**
|
* Scroll the legend by a number of pages
|
* @param {Object} scrollBy
|
* @param {Object} animation
|
*/
|
scroll: function (scrollBy, animation) {
|
var pages = this.pages,
|
pageCount = pages.length,
|
currentPage = this.currentPage + scrollBy,
|
clipHeight = this.clipHeight,
|
navOptions = this.options.navigation,
|
activeColor = navOptions.activeColor,
|
inactiveColor = navOptions.inactiveColor,
|
pager = this.pager,
|
padding = this.padding,
|
scrollOffset;
|
|
// When resizing while looking at the last page
|
if (currentPage > pageCount) {
|
currentPage = pageCount;
|
}
|
|
if (currentPage > 0) {
|
|
if (animation !== UNDEFINED) {
|
setAnimation(animation, this.chart);
|
}
|
|
this.nav.attr({
|
translateX: padding,
|
translateY: clipHeight + this.padding + 7 + this.titleHeight,
|
visibility: VISIBLE
|
});
|
this.up.attr({
|
fill: currentPage === 1 ? inactiveColor : activeColor
|
})
|
.css({
|
cursor: currentPage === 1 ? 'default' : 'pointer'
|
});
|
pager.attr({
|
text: currentPage + '/' + pageCount
|
});
|
this.down.attr({
|
x: 18 + this.pager.getBBox().width, // adjust to text width
|
fill: currentPage === pageCount ? inactiveColor : activeColor
|
})
|
.css({
|
cursor: currentPage === pageCount ? 'default' : 'pointer'
|
});
|
|
scrollOffset = -pages[currentPage - 1] + this.initialItemY;
|
|
this.scrollGroup.animate({
|
translateY: scrollOffset
|
});
|
|
this.currentPage = currentPage;
|
this.positionCheckboxes(scrollOffset);
|
}
|
|
}
|
|
};
|
|
/*
|
* LegendSymbolMixin
|
*/
|
|
var LegendSymbolMixin = Highcharts.LegendSymbolMixin = {
|
|
/**
|
* Get the series' symbol in the legend
|
*
|
* @param {Object} legend The legend object
|
* @param {Object} item The series (this) or point
|
*/
|
drawRectangle: function (legend, item) {
|
var symbolHeight = legend.options.symbolHeight || 12;
|
|
item.legendSymbol = this.chart.renderer.rect(
|
0,
|
legend.baseline - 5 - (symbolHeight / 2),
|
legend.symbolWidth,
|
symbolHeight,
|
legend.options.symbolRadius || 0
|
).attr({
|
zIndex: 3
|
}).add(item.legendGroup);
|
|
},
|
|
/**
|
* Get the series' symbol in the legend. This method should be overridable to create custom
|
* symbols through Highcharts.seriesTypes[type].prototype.drawLegendSymbols.
|
*
|
* @param {Object} legend The legend object
|
*/
|
drawLineMarker: function (legend) {
|
|
var options = this.options,
|
markerOptions = options.marker,
|
radius,
|
legendOptions = legend.options,
|
legendSymbol,
|
symbolWidth = legend.symbolWidth,
|
renderer = this.chart.renderer,
|
legendItemGroup = this.legendGroup,
|
verticalCenter = legend.baseline - mathRound(renderer.fontMetrics(legendOptions.itemStyle.fontSize, this.legendItem).b * 0.3),
|
attr;
|
|
// Draw the line
|
if (options.lineWidth) {
|
attr = {
|
'stroke-width': options.lineWidth
|
};
|
if (options.dashStyle) {
|
attr.dashstyle = options.dashStyle;
|
}
|
this.legendLine = renderer.path([
|
M,
|
0,
|
verticalCenter,
|
L,
|
symbolWidth,
|
verticalCenter
|
])
|
.attr(attr)
|
.add(legendItemGroup);
|
}
|
|
// Draw the marker
|
if (markerOptions && markerOptions.enabled !== false) {
|
radius = markerOptions.radius;
|
this.legendSymbol = legendSymbol = renderer.symbol(
|
this.symbol,
|
(symbolWidth / 2) - radius,
|
verticalCenter - radius,
|
2 * radius,
|
2 * radius
|
)
|
.add(legendItemGroup);
|
legendSymbol.isMarker = true;
|
}
|
}
|
};
|
|
// Workaround for #2030, horizontal legend items not displaying in IE11 Preview,
|
// and for #2580, a similar drawing flaw in Firefox 26.
|
// TODO: Explore if there's a general cause for this. The problem may be related
|
// to nested group elements, as the legend item texts are within 4 group elements.
|
if (/Trident\/7\.0/.test(userAgent) || isFirefox) {
|
wrap(Legend.prototype, 'positionItem', function (proceed, item) {
|
var legend = this,
|
runPositionItem = function () { // If chart destroyed in sync, this is undefined (#2030)
|
if (item._legendItemPos) {
|
proceed.call(legend, item);
|
}
|
};
|
|
// Do it now, for export and to get checkbox placement
|
runPositionItem();
|
|
// Do it after to work around the core issue
|
setTimeout(runPositionItem);
|
});
|
}
|
/**
|
* The chart class
|
* @param {Object} options
|
* @param {Function} callback Function to run when the chart has loaded
|
*/
|
function Chart() {
|
this.init.apply(this, arguments);
|
}
|
|
Chart.prototype = {
|
|
/**
|
* Initialize the chart
|
*/
|
init: function (userOptions, callback) {
|
|
// Handle regular options
|
var options,
|
seriesOptions = userOptions.series; // skip merging data points to increase performance
|
|
userOptions.series = null;
|
options = merge(defaultOptions, userOptions); // do the merge
|
options.series = userOptions.series = seriesOptions; // set back the series data
|
this.userOptions = userOptions;
|
|
var optionsChart = options.chart;
|
|
// Create margin & spacing array
|
this.margin = this.splashArray('margin', optionsChart);
|
this.spacing = this.splashArray('spacing', optionsChart);
|
|
var chartEvents = optionsChart.events;
|
|
//this.runChartClick = chartEvents && !!chartEvents.click;
|
this.bounds = { h: {}, v: {} }; // Pixel data bounds for touch zoom
|
|
this.callback = callback;
|
this.isResizing = 0;
|
this.options = options;
|
//chartTitleOptions = UNDEFINED;
|
//chartSubtitleOptions = UNDEFINED;
|
|
this.axes = [];
|
this.series = [];
|
this.hasCartesianSeries = optionsChart.showAxes;
|
//this.axisOffset = UNDEFINED;
|
//this.maxTicks = UNDEFINED; // handle the greatest amount of ticks on grouped axes
|
//this.inverted = UNDEFINED;
|
//this.loadingShown = UNDEFINED;
|
//this.container = UNDEFINED;
|
//this.chartWidth = UNDEFINED;
|
//this.chartHeight = UNDEFINED;
|
//this.marginRight = UNDEFINED;
|
//this.marginBottom = UNDEFINED;
|
//this.containerWidth = UNDEFINED;
|
//this.containerHeight = UNDEFINED;
|
//this.oldChartWidth = UNDEFINED;
|
//this.oldChartHeight = UNDEFINED;
|
|
//this.renderTo = UNDEFINED;
|
//this.renderToClone = UNDEFINED;
|
|
//this.spacingBox = UNDEFINED
|
|
//this.legend = UNDEFINED;
|
|
// Elements
|
//this.chartBackground = UNDEFINED;
|
//this.plotBackground = UNDEFINED;
|
//this.plotBGImage = UNDEFINED;
|
//this.plotBorder = UNDEFINED;
|
//this.loadingDiv = UNDEFINED;
|
//this.loadingSpan = UNDEFINED;
|
|
var chart = this,
|
eventType;
|
|
// Add the chart to the global lookup
|
chart.index = charts.length;
|
charts.push(chart);
|
chartCount++;
|
|
// Set up auto resize
|
if (optionsChart.reflow !== false) {
|
addEvent(chart, 'load', function () {
|
chart.initReflow();
|
});
|
}
|
|
// Chart event handlers
|
if (chartEvents) {
|
for (eventType in chartEvents) {
|
addEvent(chart, eventType, chartEvents[eventType]);
|
}
|
}
|
|
chart.xAxis = [];
|
chart.yAxis = [];
|
|
// Expose methods and variables
|
chart.animation = useCanVG ? false : pick(optionsChart.animation, true);
|
chart.pointCount = chart.colorCounter = chart.symbolCounter = 0;
|
|
chart.firstRender();
|
},
|
|
/**
|
* Initialize an individual series, called internally before render time
|
*/
|
initSeries: function (options) {
|
var chart = this,
|
optionsChart = chart.options.chart,
|
type = options.type || optionsChart.type || optionsChart.defaultSeriesType,
|
series,
|
constr = seriesTypes[type];
|
|
// No such series type
|
if (!constr) {
|
error(17, true);
|
}
|
|
series = new constr();
|
series.init(this, options);
|
return series;
|
},
|
|
/**
|
* Check whether a given point is within the plot area
|
*
|
* @param {Number} plotX Pixel x relative to the plot area
|
* @param {Number} plotY Pixel y relative to the plot area
|
* @param {Boolean} inverted Whether the chart is inverted
|
*/
|
isInsidePlot: function (plotX, plotY, inverted) {
|
var x = inverted ? plotY : plotX,
|
y = inverted ? plotX : plotY;
|
|
return x >= 0 &&
|
x <= this.plotWidth &&
|
y >= 0 &&
|
y <= this.plotHeight;
|
},
|
|
/**
|
* Adjust all axes tick amounts
|
*/
|
adjustTickAmounts: function () {
|
if (this.options.chart.alignTicks !== false) {
|
each(this.axes, function (axis) {
|
axis.adjustTickAmount();
|
});
|
}
|
this.maxTicks = null;
|
},
|
|
/**
|
* Redraw legend, axes or series based on updated data
|
*
|
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation
|
* configuration
|
*/
|
redraw: function (animation) {
|
var chart = this,
|
axes = chart.axes,
|
series = chart.series,
|
pointer = chart.pointer,
|
legend = chart.legend,
|
redrawLegend = chart.isDirtyLegend,
|
hasStackedSeries,
|
hasDirtyStacks,
|
hasCartesianSeries = chart.hasCartesianSeries,
|
isDirtyBox = chart.isDirtyBox, // todo: check if it has actually changed?
|
seriesLength = series.length,
|
i = seriesLength,
|
serie,
|
renderer = chart.renderer,
|
isHiddenChart = renderer.isHidden(),
|
afterRedraw = [];
|
|
setAnimation(animation, chart);
|
|
if (isHiddenChart) {
|
chart.cloneRenderTo();
|
}
|
|
// Adjust title layout (reflow multiline text)
|
chart.layOutTitles();
|
|
// link stacked series
|
while (i--) {
|
serie = series[i];
|
|
if (serie.options.stacking) {
|
hasStackedSeries = true;
|
|
if (serie.isDirty) {
|
hasDirtyStacks = true;
|
break;
|
}
|
}
|
}
|
if (hasDirtyStacks) { // mark others as dirty
|
i = seriesLength;
|
while (i--) {
|
serie = series[i];
|
if (serie.options.stacking) {
|
serie.isDirty = true;
|
}
|
}
|
}
|
|
// handle updated data in the series
|
each(series, function (serie) {
|
if (serie.isDirty) { // prepare the data so axis can read it
|
if (serie.options.legendType === 'point') {
|
redrawLegend = true;
|
}
|
}
|
});
|
|
// handle added or removed series
|
if (redrawLegend && legend.options.enabled) { // series or pie points are added or removed
|
// draw legend graphics
|
legend.render();
|
|
chart.isDirtyLegend = false;
|
}
|
|
// reset stacks
|
if (hasStackedSeries) {
|
chart.getStacks();
|
}
|
|
|
if (hasCartesianSeries) {
|
if (!chart.isResizing) {
|
|
// reset maxTicks
|
chart.maxTicks = null;
|
|
// set axes scales
|
each(axes, function (axis) {
|
axis.setScale();
|
});
|
}
|
|
chart.adjustTickAmounts();
|
}
|
|
chart.getMargins(); // #3098
|
|
if (hasCartesianSeries) {
|
// If one axis is dirty, all axes must be redrawn (#792, #2169)
|
each(axes, function (axis) {
|
if (axis.isDirty) {
|
isDirtyBox = true;
|
}
|
});
|
|
// redraw axes
|
each(axes, function (axis) {
|
|
// Fire 'afterSetExtremes' only if extremes are set
|
if (axis.isDirtyExtremes) { // #821
|
axis.isDirtyExtremes = false;
|
afterRedraw.push(function () { // prevent a recursive call to chart.redraw() (#1119)
|
fireEvent(axis, 'afterSetExtremes', extend(axis.eventArgs, axis.getExtremes())); // #747, #751
|
delete axis.eventArgs;
|
});
|
}
|
|
if (isDirtyBox || hasStackedSeries) {
|
axis.redraw();
|
}
|
});
|
}
|
|
// the plot areas size has changed
|
if (isDirtyBox) {
|
chart.drawChartBox();
|
}
|
|
|
// redraw affected series
|
each(series, function (serie) {
|
if (serie.isDirty && serie.visible &&
|
(!serie.isCartesian || serie.xAxis)) { // issue #153
|
serie.redraw();
|
}
|
});
|
|
// move tooltip or reset
|
if (pointer) {
|
pointer.reset(true);
|
}
|
|
// redraw if canvas
|
renderer.draw();
|
|
// fire the event
|
fireEvent(chart, 'redraw'); // jQuery breaks this when calling it from addEvent. Overwrites chart.redraw
|
|
if (isHiddenChart) {
|
chart.cloneRenderTo(true);
|
}
|
|
// Fire callbacks that are put on hold until after the redraw
|
each(afterRedraw, function (callback) {
|
callback.call();
|
});
|
},
|
|
/**
|
* Get an axis, series or point object by id.
|
* @param id {String} The id as given in the configuration options
|
*/
|
get: function (id) {
|
var chart = this,
|
axes = chart.axes,
|
series = chart.series;
|
|
var i,
|
j,
|
points;
|
|
// search axes
|
for (i = 0; i < axes.length; i++) {
|
if (axes[i].options.id === id) {
|
return axes[i];
|
}
|
}
|
|
// search series
|
for (i = 0; i < series.length; i++) {
|
if (series[i].options.id === id) {
|
return series[i];
|
}
|
}
|
|
// search points
|
for (i = 0; i < series.length; i++) {
|
points = series[i].points || [];
|
for (j = 0; j < points.length; j++) {
|
if (points[j].id === id) {
|
return points[j];
|
}
|
}
|
}
|
return null;
|
},
|
|
/**
|
* Create the Axis instances based on the config options
|
*/
|
getAxes: function () {
|
var chart = this,
|
options = this.options,
|
xAxisOptions = options.xAxis = splat(options.xAxis || {}),
|
yAxisOptions = options.yAxis = splat(options.yAxis || {}),
|
optionsArray,
|
axis;
|
|
// make sure the options are arrays and add some members
|
each(xAxisOptions, function (axis, i) {
|
axis.index = i;
|
axis.isX = true;
|
});
|
|
each(yAxisOptions, function (axis, i) {
|
axis.index = i;
|
});
|
|
// concatenate all axis options into one array
|
optionsArray = xAxisOptions.concat(yAxisOptions);
|
|
each(optionsArray, function (axisOptions) {
|
axis = new Axis(chart, axisOptions);
|
});
|
|
chart.adjustTickAmounts();
|
},
|
|
|
/**
|
* Get the currently selected points from all series
|
*/
|
getSelectedPoints: function () {
|
var points = [];
|
each(this.series, function (serie) {
|
points = points.concat(grep(serie.points || [], function (point) {
|
return point.selected;
|
}));
|
});
|
return points;
|
},
|
|
/**
|
* Get the currently selected series
|
*/
|
getSelectedSeries: function () {
|
return grep(this.series, function (serie) {
|
return serie.selected;
|
});
|
},
|
|
/**
|
* Generate stacks for each series and calculate stacks total values
|
*/
|
getStacks: function () {
|
var chart = this;
|
|
// reset stacks for each yAxis
|
each(chart.yAxis, function (axis) {
|
if (axis.stacks && axis.hasVisibleSeries) {
|
axis.oldStacks = axis.stacks;
|
}
|
});
|
|
each(chart.series, function (series) {
|
if (series.options.stacking && (series.visible === true || chart.options.chart.ignoreHiddenSeries === false)) {
|
series.stackKey = series.type + pick(series.options.stack, '');
|
}
|
});
|
},
|
|
/**
|
* Show the title and subtitle of the chart
|
*
|
* @param titleOptions {Object} New title options
|
* @param subtitleOptions {Object} New subtitle options
|
*
|
*/
|
setTitle: function (titleOptions, subtitleOptions, redraw) {
|
var chart = this,
|
options = chart.options,
|
chartTitleOptions,
|
chartSubtitleOptions;
|
|
chartTitleOptions = options.title = merge(options.title, titleOptions);
|
chartSubtitleOptions = options.subtitle = merge(options.subtitle, subtitleOptions);
|
|
// add title and subtitle
|
each([
|
['title', titleOptions, chartTitleOptions],
|
['subtitle', subtitleOptions, chartSubtitleOptions]
|
], function (arr) {
|
var name = arr[0],
|
title = chart[name],
|
titleOptions = arr[1],
|
chartTitleOptions = arr[2];
|
|
if (title && titleOptions) {
|
chart[name] = title = title.destroy(); // remove old
|
}
|
|
if (chartTitleOptions && chartTitleOptions.text && !title) {
|
chart[name] = chart.renderer.text(
|
chartTitleOptions.text,
|
0,
|
0,
|
chartTitleOptions.useHTML
|
)
|
.attr({
|
align: chartTitleOptions.align,
|
'class': PREFIX + name,
|
zIndex: chartTitleOptions.zIndex || 4
|
})
|
.css(chartTitleOptions.style)
|
.add();
|
}
|
});
|
chart.layOutTitles(redraw);
|
},
|
|
/**
|
* Lay out the chart titles and cache the full offset height for use in getMargins
|
*/
|
layOutTitles: function (redraw) {
|
var titleOffset = 0,
|
title = this.title,
|
subtitle = this.subtitle,
|
options = this.options,
|
titleOptions = options.title,
|
subtitleOptions = options.subtitle,
|
requiresDirtyBox,
|
renderer = this.renderer,
|
autoWidth = this.spacingBox.width - 44; // 44 makes room for default context button
|
|
if (title) {
|
title
|
.css({ width: (titleOptions.width || autoWidth) + PX })
|
.align(extend({
|
y: renderer.fontMetrics(titleOptions.style.fontSize, title).b - 3
|
}, titleOptions), false, 'spacingBox');
|
|
if (!titleOptions.floating && !titleOptions.verticalAlign) {
|
titleOffset = title.getBBox().height;
|
}
|
}
|
if (subtitle) {
|
subtitle
|
.css({ width: (subtitleOptions.width || autoWidth) + PX })
|
.align(extend({
|
y: titleOffset + (titleOptions.margin - 13) + renderer.fontMetrics(titleOptions.style.fontSize, subtitle).b
|
}, subtitleOptions), false, 'spacingBox');
|
|
if (!subtitleOptions.floating && !subtitleOptions.verticalAlign) {
|
titleOffset = mathCeil(titleOffset + subtitle.getBBox().height);
|
}
|
}
|
|
requiresDirtyBox = this.titleOffset !== titleOffset;
|
this.titleOffset = titleOffset; // used in getMargins
|
|
if (!this.isDirtyBox && requiresDirtyBox) {
|
this.isDirtyBox = requiresDirtyBox;
|
// Redraw if necessary (#2719, #2744)
|
if (this.hasRendered && pick(redraw, true) && this.isDirtyBox) {
|
this.redraw();
|
}
|
}
|
},
|
|
/**
|
* Get chart width and height according to options and container size
|
*/
|
getChartSize: function () {
|
var chart = this,
|
optionsChart = chart.options.chart,
|
widthOption = optionsChart.width,
|
heightOption = optionsChart.height,
|
renderTo = chart.renderToClone || chart.renderTo;
|
|
// get inner width and height from jQuery (#824)
|
if (!defined(widthOption)) {
|
chart.containerWidth = adapterRun(renderTo, 'width');
|
}
|
if (!defined(heightOption)) {
|
chart.containerHeight = adapterRun(renderTo, 'height');
|
}
|
|
chart.chartWidth = mathMax(0, widthOption || chart.containerWidth || 600); // #1393, 1460
|
chart.chartHeight = mathMax(0, pick(heightOption,
|
// the offsetHeight of an empty container is 0 in standard browsers, but 19 in IE7:
|
chart.containerHeight > 19 ? chart.containerHeight : 400));
|
},
|
|
/**
|
* Create a clone of the chart's renderTo div and place it outside the viewport to allow
|
* size computation on chart.render and chart.redraw
|
*/
|
cloneRenderTo: function (revert) {
|
var clone = this.renderToClone,
|
container = this.container;
|
|
// Destroy the clone and bring the container back to the real renderTo div
|
if (revert) {
|
if (clone) {
|
this.renderTo.appendChild(container);
|
discardElement(clone);
|
delete this.renderToClone;
|
}
|
|
// Set up the clone
|
} else {
|
if (container && container.parentNode === this.renderTo) {
|
this.renderTo.removeChild(container); // do not clone this
|
}
|
this.renderToClone = clone = this.renderTo.cloneNode(0);
|
css(clone, {
|
position: ABSOLUTE,
|
top: '-9999px',
|
display: 'block' // #833
|
});
|
if (clone.style.setProperty) { // #2631
|
clone.style.setProperty('display', 'block', 'important');
|
}
|
doc.body.appendChild(clone);
|
if (container) {
|
clone.appendChild(container);
|
}
|
}
|
},
|
|
/**
|
* Get the containing element, determine the size and create the inner container
|
* div to hold the chart
|
*/
|
getContainer: function () {
|
var chart = this,
|
container,
|
optionsChart = chart.options.chart,
|
chartWidth,
|
chartHeight,
|
renderTo,
|
indexAttrName = 'data-highcharts-chart',
|
oldChartIndex,
|
containerId;
|
|
chart.renderTo = renderTo = optionsChart.renderTo;
|
containerId = PREFIX + idCounter++;
|
|
if (isString(renderTo)) {
|
chart.renderTo = renderTo = doc.getElementById(renderTo);
|
}
|
|
// Display an error if the renderTo is wrong
|
if (!renderTo) {
|
error(13, true);
|
}
|
|
// If the container already holds a chart, destroy it. The check for hasRendered is there
|
// because web pages that are saved to disk from the browser, will preserve the data-highcharts-chart
|
// attribute and the SVG contents, but not an interactive chart. So in this case,
|
// charts[oldChartIndex] will point to the wrong chart if any (#2609).
|
oldChartIndex = pInt(attr(renderTo, indexAttrName));
|
if (!isNaN(oldChartIndex) && charts[oldChartIndex] && charts[oldChartIndex].hasRendered) {
|
charts[oldChartIndex].destroy();
|
}
|
|
// Make a reference to the chart from the div
|
attr(renderTo, indexAttrName, chart.index);
|
|
// remove previous chart
|
renderTo.innerHTML = '';
|
|
// If the container doesn't have an offsetWidth, it has or is a child of a node
|
// that has display:none. We need to temporarily move it out to a visible
|
// state to determine the size, else the legend and tooltips won't render
|
// properly. The allowClone option is used in sparklines as a micro optimization,
|
// saving about 1-2 ms each chart.
|
if (!optionsChart.skipClone && !renderTo.offsetWidth) {
|
chart.cloneRenderTo();
|
}
|
|
// get the width and height
|
chart.getChartSize();
|
chartWidth = chart.chartWidth;
|
chartHeight = chart.chartHeight;
|
|
// create the inner container
|
chart.container = container = createElement(DIV, {
|
className: PREFIX + 'container' +
|
(optionsChart.className ? ' ' + optionsChart.className : ''),
|
id: containerId
|
}, extend({
|
position: RELATIVE,
|
overflow: HIDDEN, // needed for context menu (avoid scrollbars) and
|
// content overflow in IE
|
width: chartWidth + PX,
|
height: chartHeight + PX,
|
textAlign: 'left',
|
lineHeight: 'normal', // #427
|
zIndex: 0, // #1072
|
'-webkit-tap-highlight-color': 'rgba(0,0,0,0)'
|
}, optionsChart.style),
|
chart.renderToClone || renderTo
|
);
|
|
// cache the cursor (#1650)
|
chart._cursor = container.style.cursor;
|
|
// Initialize the renderer
|
chart.renderer =
|
optionsChart.forExport ? // force SVG, used for SVG export
|
new SVGRenderer(container, chartWidth, chartHeight, optionsChart.style, true) :
|
new Renderer(container, chartWidth, chartHeight, optionsChart.style);
|
|
if (useCanVG) {
|
// If we need canvg library, extend and configure the renderer
|
// to get the tracker for translating mouse events
|
chart.renderer.create(chart, container, chartWidth, chartHeight);
|
}
|
},
|
|
/**
|
* Calculate margins by rendering axis labels in a preliminary position. Title,
|
* subtitle and legend have already been rendered at this stage, but will be
|
* moved into their final positions
|
*/
|
getMargins: function () {
|
var chart = this,
|
spacing = chart.spacing,
|
axisOffset,
|
legend = chart.legend,
|
margin = chart.margin,
|
legendOptions = chart.options.legend,
|
legendMargin = pick(legendOptions.margin, 20),
|
legendX = legendOptions.x,
|
legendY = legendOptions.y,
|
align = legendOptions.align,
|
verticalAlign = legendOptions.verticalAlign,
|
titleOffset = chart.titleOffset;
|
|
chart.resetMargins();
|
axisOffset = chart.axisOffset;
|
|
// Adjust for title and subtitle
|
if (titleOffset && !defined(margin[0])) {
|
chart.plotTop = mathMax(chart.plotTop, titleOffset + chart.options.title.margin + spacing[0]);
|
}
|
|
// Adjust for legend
|
if (legend.display && !legendOptions.floating) {
|
if (align === 'right') { // horizontal alignment handled first
|
if (!defined(margin[1])) {
|
chart.marginRight = mathMax(
|
chart.marginRight,
|
legend.legendWidth - legendX + legendMargin + spacing[1]
|
);
|
}
|
} else if (align === 'left') {
|
if (!defined(margin[3])) {
|
chart.plotLeft = mathMax(
|
chart.plotLeft,
|
legend.legendWidth + legendX + legendMargin + spacing[3]
|
);
|
}
|
|
} else if (verticalAlign === 'top') {
|
if (!defined(margin[0])) {
|
chart.plotTop = mathMax(
|
chart.plotTop,
|
legend.legendHeight + legendY + legendMargin + spacing[0]
|
);
|
}
|
|
} else if (verticalAlign === 'bottom') {
|
if (!defined(margin[2])) {
|
chart.marginBottom = mathMax(
|
chart.marginBottom,
|
legend.legendHeight - legendY + legendMargin + spacing[2]
|
);
|
}
|
}
|
}
|
|
// adjust for scroller
|
if (chart.extraBottomMargin) {
|
chart.marginBottom += chart.extraBottomMargin;
|
}
|
if (chart.extraTopMargin) {
|
chart.plotTop += chart.extraTopMargin;
|
}
|
|
// pre-render axes to get labels offset width
|
if (chart.hasCartesianSeries) {
|
each(chart.axes, function (axis) {
|
axis.getOffset();
|
});
|
}
|
|
if (!defined(margin[3])) {
|
chart.plotLeft += axisOffset[3];
|
}
|
if (!defined(margin[0])) {
|
chart.plotTop += axisOffset[0];
|
}
|
if (!defined(margin[2])) {
|
chart.marginBottom += axisOffset[2];
|
}
|
if (!defined(margin[1])) {
|
chart.marginRight += axisOffset[1];
|
}
|
|
chart.setChartSize();
|
|
},
|
|
/**
|
* Resize the chart to its container if size is not explicitly set
|
*/
|
reflow: function (e) {
|
var chart = this,
|
optionsChart = chart.options.chart,
|
renderTo = chart.renderTo,
|
width = optionsChart.width || adapterRun(renderTo, 'width'),
|
height = optionsChart.height || adapterRun(renderTo, 'height'),
|
target = e ? e.target : win, // #805 - MooTools doesn't supply e
|
doReflow = function () {
|
if (chart.container) { // It may have been destroyed in the meantime (#1257)
|
chart.setSize(width, height, false);
|
chart.hasUserSize = null;
|
}
|
};
|
|
// Width and height checks for display:none. Target is doc in IE8 and Opera,
|
// win in Firefox, Chrome and IE9.
|
if (!chart.hasUserSize && width && height && (target === win || target === doc)) {
|
if (width !== chart.containerWidth || height !== chart.containerHeight) {
|
clearTimeout(chart.reflowTimeout);
|
if (e) { // Called from window.resize
|
chart.reflowTimeout = setTimeout(doReflow, 100);
|
} else { // Called directly (#2224)
|
doReflow();
|
}
|
}
|
chart.containerWidth = width;
|
chart.containerHeight = height;
|
}
|
},
|
|
/**
|
* Add the event handlers necessary for auto resizing
|
*/
|
initReflow: function () {
|
var chart = this,
|
reflow = function (e) {
|
chart.reflow(e);
|
};
|
|
|
addEvent(win, 'resize', reflow);
|
addEvent(chart, 'destroy', function () {
|
removeEvent(win, 'resize', reflow);
|
});
|
},
|
|
/**
|
* Resize the chart to a given width and height
|
* @param {Number} width
|
* @param {Number} height
|
* @param {Object|Boolean} animation
|
*/
|
setSize: function (width, height, animation) {
|
var chart = this,
|
chartWidth,
|
chartHeight,
|
fireEndResize;
|
|
// Handle the isResizing counter
|
chart.isResizing += 1;
|
fireEndResize = function () {
|
if (chart) {
|
fireEvent(chart, 'endResize', null, function () {
|
chart.isResizing -= 1;
|
});
|
}
|
};
|
|
// set the animation for the current process
|
setAnimation(animation, chart);
|
|
chart.oldChartHeight = chart.chartHeight;
|
chart.oldChartWidth = chart.chartWidth;
|
if (defined(width)) {
|
chart.chartWidth = chartWidth = mathMax(0, mathRound(width));
|
chart.hasUserSize = !!chartWidth;
|
}
|
if (defined(height)) {
|
chart.chartHeight = chartHeight = mathMax(0, mathRound(height));
|
}
|
|
// Resize the container with the global animation applied if enabled (#2503)
|
(globalAnimation ? animate : css)(chart.container, {
|
width: chartWidth + PX,
|
height: chartHeight + PX
|
}, globalAnimation);
|
|
chart.setChartSize(true);
|
chart.renderer.setSize(chartWidth, chartHeight, animation);
|
|
// handle axes
|
chart.maxTicks = null;
|
each(chart.axes, function (axis) {
|
axis.isDirty = true;
|
axis.setScale();
|
});
|
|
// make sure non-cartesian series are also handled
|
each(chart.series, function (serie) {
|
serie.isDirty = true;
|
});
|
|
chart.isDirtyLegend = true; // force legend redraw
|
chart.isDirtyBox = true; // force redraw of plot and chart border
|
|
chart.layOutTitles(); // #2857
|
chart.getMargins();
|
|
chart.redraw(animation);
|
|
|
chart.oldChartHeight = null;
|
fireEvent(chart, 'resize');
|
|
// fire endResize and set isResizing back
|
// If animation is disabled, fire without delay
|
if (globalAnimation === false) {
|
fireEndResize();
|
} else { // else set a timeout with the animation duration
|
setTimeout(fireEndResize, (globalAnimation && globalAnimation.duration) || 500);
|
}
|
},
|
|
/**
|
* Set the public chart properties. This is done before and after the pre-render
|
* to determine margin sizes
|
*/
|
setChartSize: function (skipAxes) {
|
var chart = this,
|
inverted = chart.inverted,
|
renderer = chart.renderer,
|
chartWidth = chart.chartWidth,
|
chartHeight = chart.chartHeight,
|
optionsChart = chart.options.chart,
|
spacing = chart.spacing,
|
clipOffset = chart.clipOffset,
|
clipX,
|
clipY,
|
plotLeft,
|
plotTop,
|
plotWidth,
|
plotHeight,
|
plotBorderWidth;
|
|
chart.plotLeft = plotLeft = mathRound(chart.plotLeft);
|
chart.plotTop = plotTop = mathRound(chart.plotTop);
|
chart.plotWidth = plotWidth = mathMax(0, mathRound(chartWidth - plotLeft - chart.marginRight));
|
chart.plotHeight = plotHeight = mathMax(0, mathRound(chartHeight - plotTop - chart.marginBottom));
|
|
chart.plotSizeX = inverted ? plotHeight : plotWidth;
|
chart.plotSizeY = inverted ? plotWidth : plotHeight;
|
|
chart.plotBorderWidth = optionsChart.plotBorderWidth || 0;
|
|
// Set boxes used for alignment
|
chart.spacingBox = renderer.spacingBox = {
|
x: spacing[3],
|
y: spacing[0],
|
width: chartWidth - spacing[3] - spacing[1],
|
height: chartHeight - spacing[0] - spacing[2]
|
};
|
chart.plotBox = renderer.plotBox = {
|
x: plotLeft,
|
y: plotTop,
|
width: plotWidth,
|
height: plotHeight
|
};
|
|
plotBorderWidth = 2 * mathFloor(chart.plotBorderWidth / 2);
|
clipX = mathCeil(mathMax(plotBorderWidth, clipOffset[3]) / 2);
|
clipY = mathCeil(mathMax(plotBorderWidth, clipOffset[0]) / 2);
|
chart.clipBox = {
|
x: clipX,
|
y: clipY,
|
width: mathFloor(chart.plotSizeX - mathMax(plotBorderWidth, clipOffset[1]) / 2 - clipX),
|
height: mathMax(0, mathFloor(chart.plotSizeY - mathMax(plotBorderWidth, clipOffset[2]) / 2 - clipY))
|
};
|
|
if (!skipAxes) {
|
each(chart.axes, function (axis) {
|
axis.setAxisSize();
|
axis.setAxisTranslation();
|
});
|
}
|
},
|
|
/**
|
* Initial margins before auto size margins are applied
|
*/
|
resetMargins: function () {
|
var chart = this,
|
spacing = chart.spacing,
|
margin = chart.margin;
|
|
chart.plotTop = pick(margin[0], spacing[0]);
|
chart.marginRight = pick(margin[1], spacing[1]);
|
chart.marginBottom = pick(margin[2], spacing[2]);
|
chart.plotLeft = pick(margin[3], spacing[3]);
|
chart.axisOffset = [0, 0, 0, 0]; // top, right, bottom, left
|
chart.clipOffset = [0, 0, 0, 0];
|
},
|
|
/**
|
* Draw the borders and backgrounds for chart and plot area
|
*/
|
drawChartBox: function () {
|
var chart = this,
|
optionsChart = chart.options.chart,
|
renderer = chart.renderer,
|
chartWidth = chart.chartWidth,
|
chartHeight = chart.chartHeight,
|
chartBackground = chart.chartBackground,
|
plotBackground = chart.plotBackground,
|
plotBorder = chart.plotBorder,
|
plotBGImage = chart.plotBGImage,
|
chartBorderWidth = optionsChart.borderWidth || 0,
|
chartBackgroundColor = optionsChart.backgroundColor,
|
plotBackgroundColor = optionsChart.plotBackgroundColor,
|
plotBackgroundImage = optionsChart.plotBackgroundImage,
|
plotBorderWidth = optionsChart.plotBorderWidth || 0,
|
mgn,
|
bgAttr,
|
plotLeft = chart.plotLeft,
|
plotTop = chart.plotTop,
|
plotWidth = chart.plotWidth,
|
plotHeight = chart.plotHeight,
|
plotBox = chart.plotBox,
|
clipRect = chart.clipRect,
|
clipBox = chart.clipBox;
|
|
// Chart area
|
mgn = chartBorderWidth + (optionsChart.shadow ? 8 : 0);
|
|
if (chartBorderWidth || chartBackgroundColor) {
|
if (!chartBackground) {
|
|
bgAttr = {
|
fill: chartBackgroundColor || NONE
|
};
|
if (chartBorderWidth) { // #980
|
bgAttr.stroke = optionsChart.borderColor;
|
bgAttr['stroke-width'] = chartBorderWidth;
|
}
|
chart.chartBackground = renderer.rect(mgn / 2, mgn / 2, chartWidth - mgn, chartHeight - mgn,
|
optionsChart.borderRadius, chartBorderWidth)
|
.attr(bgAttr)
|
.addClass(PREFIX + 'background')
|
.add()
|
.shadow(optionsChart.shadow);
|
|
} else { // resize
|
chartBackground.animate(
|
chartBackground.crisp({ width: chartWidth - mgn, height: chartHeight - mgn })
|
);
|
}
|
}
|
|
|
// Plot background
|
if (plotBackgroundColor) {
|
if (!plotBackground) {
|
chart.plotBackground = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0)
|
.attr({
|
fill: plotBackgroundColor
|
})
|
.add()
|
.shadow(optionsChart.plotShadow);
|
} else {
|
plotBackground.animate(plotBox);
|
}
|
}
|
if (plotBackgroundImage) {
|
if (!plotBGImage) {
|
chart.plotBGImage = renderer.image(plotBackgroundImage, plotLeft, plotTop, plotWidth, plotHeight)
|
.add();
|
} else {
|
plotBGImage.animate(plotBox);
|
}
|
}
|
|
// Plot clip
|
if (!clipRect) {
|
chart.clipRect = renderer.clipRect(clipBox);
|
} else {
|
clipRect.animate({
|
width: clipBox.width,
|
height: clipBox.height
|
});
|
}
|
|
// Plot area border
|
if (plotBorderWidth) {
|
if (!plotBorder) {
|
chart.plotBorder = renderer.rect(plotLeft, plotTop, plotWidth, plotHeight, 0, -plotBorderWidth)
|
.attr({
|
stroke: optionsChart.plotBorderColor,
|
'stroke-width': plotBorderWidth,
|
fill: NONE,
|
zIndex: 1
|
})
|
.add();
|
} else {
|
plotBorder.animate(
|
plotBorder.crisp({ x: plotLeft, y: plotTop, width: plotWidth, height: plotHeight })
|
);
|
}
|
}
|
|
// reset
|
chart.isDirtyBox = false;
|
},
|
|
/**
|
* Detect whether a certain chart property is needed based on inspecting its options
|
* and series. This mainly applies to the chart.invert property, and in extensions to
|
* the chart.angular and chart.polar properties.
|
*/
|
propFromSeries: function () {
|
var chart = this,
|
optionsChart = chart.options.chart,
|
klass,
|
seriesOptions = chart.options.series,
|
i,
|
value;
|
|
|
each(['inverted', 'angular', 'polar'], function (key) {
|
|
// The default series type's class
|
klass = seriesTypes[optionsChart.type || optionsChart.defaultSeriesType];
|
|
// Get the value from available chart-wide properties
|
value = (
|
chart[key] || // 1. it is set before
|
optionsChart[key] || // 2. it is set in the options
|
(klass && klass.prototype[key]) // 3. it's default series class requires it
|
);
|
|
// 4. Check if any the chart's series require it
|
i = seriesOptions && seriesOptions.length;
|
while (!value && i--) {
|
klass = seriesTypes[seriesOptions[i].type];
|
if (klass && klass.prototype[key]) {
|
value = true;
|
}
|
}
|
|
// Set the chart property
|
chart[key] = value;
|
});
|
|
},
|
|
/**
|
* Link two or more series together. This is done initially from Chart.render,
|
* and after Chart.addSeries and Series.remove.
|
*/
|
linkSeries: function () {
|
var chart = this,
|
chartSeries = chart.series;
|
|
// Reset links
|
each(chartSeries, function (series) {
|
series.linkedSeries.length = 0;
|
});
|
|
// Apply new links
|
each(chartSeries, function (series) {
|
var linkedTo = series.options.linkedTo;
|
if (isString(linkedTo)) {
|
if (linkedTo === ':previous') {
|
linkedTo = chart.series[series.index - 1];
|
} else {
|
linkedTo = chart.get(linkedTo);
|
}
|
if (linkedTo) {
|
linkedTo.linkedSeries.push(series);
|
series.linkedParent = linkedTo;
|
}
|
}
|
});
|
},
|
|
/**
|
* Render series for the chart
|
*/
|
renderSeries: function () {
|
each(this.series, function (serie) {
|
serie.translate();
|
if (serie.setTooltipPoints) {
|
serie.setTooltipPoints();
|
}
|
serie.render();
|
});
|
},
|
|
/**
|
* Render labels for the chart
|
*/
|
renderLabels: function () {
|
var chart = this,
|
labels = chart.options.labels;
|
if (labels.items) {
|
each(labels.items, function (label) {
|
var style = extend(labels.style, label.style),
|
x = pInt(style.left) + chart.plotLeft,
|
y = pInt(style.top) + chart.plotTop + 12;
|
|
// delete to prevent rewriting in IE
|
delete style.left;
|
delete style.top;
|
|
chart.renderer.text(
|
label.html,
|
x,
|
y
|
)
|
.attr({ zIndex: 2 })
|
.css(style)
|
.add();
|
|
});
|
}
|
},
|
|
/**
|
* Render all graphics for the chart
|
*/
|
render: function () {
|
var chart = this,
|
axes = chart.axes,
|
renderer = chart.renderer,
|
options = chart.options;
|
|
// Title
|
chart.setTitle();
|
|
|
// Legend
|
chart.legend = new Legend(chart, options.legend);
|
|
chart.getStacks(); // render stacks
|
|
// Get margins by pre-rendering axes
|
// set axes scales
|
each(axes, function (axis) {
|
axis.setScale();
|
});
|
|
chart.getMargins();
|
|
chart.maxTicks = null; // reset for second pass
|
each(axes, function (axis) {
|
axis.setTickPositions(true); // update to reflect the new margins
|
axis.setMaxTicks();
|
});
|
chart.adjustTickAmounts();
|
chart.getMargins(); // second pass to check for new labels
|
|
|
// Draw the borders and backgrounds
|
chart.drawChartBox();
|
|
|
// Axes
|
if (chart.hasCartesianSeries) {
|
each(axes, function (axis) {
|
axis.render();
|
});
|
}
|
|
// The series
|
if (!chart.seriesGroup) {
|
chart.seriesGroup = renderer.g('series-group')
|
.attr({ zIndex: 3 })
|
.add();
|
}
|
chart.renderSeries();
|
|
// Labels
|
chart.renderLabels();
|
|
// Credits
|
chart.showCredits(options.credits);
|
|
// Set flag
|
chart.hasRendered = true;
|
|
},
|
|
/**
|
* Show chart credits based on config options
|
*/
|
showCredits: function (credits) {
|
if (credits.enabled && !this.credits) {
|
this.credits = this.renderer.text(
|
credits.text,
|
0,
|
0
|
)
|
.on('click', function () {
|
if (credits.href) {
|
location.href = credits.href;
|
}
|
})
|
.attr({
|
align: credits.position.align,
|
zIndex: 8
|
})
|
.css(credits.style)
|
.add()
|
.align(credits.position);
|
}
|
},
|
|
/**
|
* Clean up memory usage
|
*/
|
destroy: function () {
|
var chart = this,
|
axes = chart.axes,
|
series = chart.series,
|
container = chart.container,
|
i,
|
parentNode = container && container.parentNode;
|
|
// fire the chart.destoy event
|
fireEvent(chart, 'destroy');
|
|
// Delete the chart from charts lookup array
|
charts[chart.index] = UNDEFINED;
|
chartCount--;
|
chart.renderTo.removeAttribute('data-highcharts-chart');
|
|
// remove events
|
removeEvent(chart);
|
|
// ==== Destroy collections:
|
// Destroy axes
|
i = axes.length;
|
while (i--) {
|
axes[i] = axes[i].destroy();
|
}
|
|
// Destroy each series
|
i = series.length;
|
while (i--) {
|
series[i] = series[i].destroy();
|
}
|
|
// ==== Destroy chart properties:
|
each(['title', 'subtitle', 'chartBackground', 'plotBackground', 'plotBGImage',
|
'plotBorder', 'seriesGroup', 'clipRect', 'credits', 'pointer', 'scroller',
|
'rangeSelector', 'legend', 'resetZoomButton', 'tooltip', 'renderer'], function (name) {
|
var prop = chart[name];
|
|
if (prop && prop.destroy) {
|
chart[name] = prop.destroy();
|
}
|
});
|
|
// remove container and all SVG
|
if (container) { // can break in IE when destroyed before finished loading
|
container.innerHTML = '';
|
removeEvent(container);
|
if (parentNode) {
|
discardElement(container);
|
}
|
|
}
|
|
// clean it all up
|
for (i in chart) {
|
delete chart[i];
|
}
|
|
},
|
|
|
/**
|
* VML namespaces can't be added until after complete. Listening
|
* for Perini's doScroll hack is not enough.
|
*/
|
isReadyToRender: function () {
|
var chart = this;
|
|
// Note: in spite of JSLint's complaints, win == win.top is required
|
/*jslint eqeq: true*/
|
if ((!hasSVG && (win == win.top && doc.readyState !== 'complete')) || (useCanVG && !win.canvg)) {
|
/*jslint eqeq: false*/
|
if (useCanVG) {
|
// Delay rendering until canvg library is downloaded and ready
|
CanVGController.push(function () { chart.firstRender(); }, chart.options.global.canvasToolsURL);
|
} else {
|
doc.attachEvent('onreadystatechange', function () {
|
doc.detachEvent('onreadystatechange', chart.firstRender);
|
if (doc.readyState === 'complete') {
|
chart.firstRender();
|
}
|
});
|
}
|
return false;
|
}
|
return true;
|
},
|
|
/**
|
* Prepare for first rendering after all data are loaded
|
*/
|
firstRender: function () {
|
var chart = this,
|
options = chart.options,
|
callback = chart.callback;
|
|
// Check whether the chart is ready to render
|
if (!chart.isReadyToRender()) {
|
return;
|
}
|
|
// Create the container
|
chart.getContainer();
|
|
// Run an early event after the container and renderer are established
|
fireEvent(chart, 'init');
|
|
|
chart.resetMargins();
|
chart.setChartSize();
|
|
// Set the common chart properties (mainly invert) from the given series
|
chart.propFromSeries();
|
|
// get axes
|
chart.getAxes();
|
|
// Initialize the series
|
each(options.series || [], function (serieOptions) {
|
chart.initSeries(serieOptions);
|
});
|
|
chart.linkSeries();
|
|
// Run an event after axes and series are initialized, but before render. At this stage,
|
// the series data is indexed and cached in the xData and yData arrays, so we can access
|
// those before rendering. Used in Highstock.
|
fireEvent(chart, 'beforeRender');
|
|
// depends on inverted and on margins being set
|
if (Highcharts.Pointer) {
|
chart.pointer = new Pointer(chart, options);
|
}
|
|
chart.render();
|
|
// add canvas
|
chart.renderer.draw();
|
// run callbacks
|
if (callback) {
|
callback.apply(chart, [chart]);
|
}
|
each(chart.callbacks, function (fn) {
|
fn.apply(chart, [chart]);
|
});
|
|
|
// If the chart was rendered outside the top container, put it back in
|
chart.cloneRenderTo(true);
|
|
fireEvent(chart, 'load');
|
|
},
|
|
/**
|
* Creates arrays for spacing and margin from given options.
|
*/
|
splashArray: function (target, options) {
|
var oVar = options[target],
|
tArray = isObject(oVar) ? oVar : [oVar, oVar, oVar, oVar];
|
|
return [pick(options[target + 'Top'], tArray[0]),
|
pick(options[target + 'Right'], tArray[1]),
|
pick(options[target + 'Bottom'], tArray[2]),
|
pick(options[target + 'Left'], tArray[3])];
|
}
|
}; // end Chart
|
|
// Hook for exporting module
|
Chart.prototype.callbacks = [];
|
|
var CenteredSeriesMixin = Highcharts.CenteredSeriesMixin = {
|
/**
|
* Get the center of the pie based on the size and center options relative to the
|
* plot area. Borrowed by the polar and gauge series types.
|
*/
|
getCenter: function () {
|
|
var options = this.options,
|
chart = this.chart,
|
slicingRoom = 2 * (options.slicedOffset || 0),
|
handleSlicingRoom,
|
plotWidth = chart.plotWidth - 2 * slicingRoom,
|
plotHeight = chart.plotHeight - 2 * slicingRoom,
|
centerOption = options.center,
|
positions = [pick(centerOption[0], '50%'), pick(centerOption[1], '50%'), options.size || '100%', options.innerSize || 0],
|
smallestSize = mathMin(plotWidth, plotHeight),
|
isPercent;
|
|
return map(positions, function (length, i) {
|
isPercent = /%$/.test(length);
|
handleSlicingRoom = i < 2 || (i === 2 && isPercent);
|
return (isPercent ?
|
// i == 0: centerX, relative to width
|
// i == 1: centerY, relative to height
|
// i == 2: size, relative to smallestSize
|
// i == 4: innerSize, relative to smallestSize
|
[plotWidth, plotHeight, smallestSize, smallestSize][i] *
|
pInt(length) / 100 :
|
length) + (handleSlicingRoom ? slicingRoom : 0);
|
});
|
}
|
};
|
|
/**
|
* The Point object and prototype. Inheritable and used as base for PiePoint
|
*/
|
var Point = function () {};
|
Point.prototype = {
|
|
/**
|
* Initialize the point
|
* @param {Object} series The series object containing this point
|
* @param {Object} options The data in either number, array or object format
|
*/
|
init: function (series, options, x) {
|
|
var point = this,
|
colors;
|
point.series = series;
|
point.applyOptions(options, x);
|
point.pointAttr = {};
|
|
if (series.options.colorByPoint) {
|
colors = series.options.colors || series.chart.options.colors;
|
point.color = point.color || colors[series.colorCounter++];
|
// loop back to zero
|
if (series.colorCounter === colors.length) {
|
series.colorCounter = 0;
|
}
|
}
|
|
series.chart.pointCount++;
|
return point;
|
},
|
/**
|
* Apply the options containing the x and y data and possible some extra properties.
|
* This is called on point init or from point.update.
|
*
|
* @param {Object} options
|
*/
|
applyOptions: function (options, x) {
|
var point = this,
|
series = point.series,
|
pointValKey = series.options.pointValKey || series.pointValKey;
|
|
options = Point.prototype.optionsToObject.call(this, options);
|
|
// copy options directly to point
|
extend(point, options);
|
point.options = point.options ? extend(point.options, options) : options;
|
|
// For higher dimension series types. For instance, for ranges, point.y is mapped to point.low.
|
if (pointValKey) {
|
point.y = point[pointValKey];
|
}
|
|
// If no x is set by now, get auto incremented value. All points must have an
|
// x value, however the y value can be null to create a gap in the series
|
if (point.x === UNDEFINED && series) {
|
point.x = x === UNDEFINED ? series.autoIncrement() : x;
|
}
|
|
return point;
|
},
|
|
/**
|
* Transform number or array configs into objects
|
*/
|
optionsToObject: function (options) {
|
var ret = {},
|
series = this.series,
|
pointArrayMap = series.pointArrayMap || ['y'],
|
valueCount = pointArrayMap.length,
|
firstItemType,
|
i = 0,
|
j = 0;
|
|
if (typeof options === 'number' || options === null) {
|
ret[pointArrayMap[0]] = options;
|
|
} else if (isArray(options)) {
|
// with leading x value
|
if (options.length > valueCount) {
|
firstItemType = typeof options[0];
|
if (firstItemType === 'string') {
|
ret.name = options[0];
|
} else if (firstItemType === 'number') {
|
ret.x = options[0];
|
}
|
i++;
|
}
|
while (j < valueCount) {
|
ret[pointArrayMap[j++]] = options[i++];
|
}
|
} else if (typeof options === 'object') {
|
ret = options;
|
|
// This is the fastest way to detect if there are individual point dataLabels that need
|
// to be considered in drawDataLabels. These can only occur in object configs.
|
if (options.dataLabels) {
|
series._hasPointLabels = true;
|
}
|
|
// Same approach as above for markers
|
if (options.marker) {
|
series._hasPointMarkers = true;
|
}
|
}
|
return ret;
|
},
|
|
/**
|
* Destroy a point to clear memory. Its reference still stays in series.data.
|
*/
|
destroy: function () {
|
var point = this,
|
series = point.series,
|
chart = series.chart,
|
hoverPoints = chart.hoverPoints,
|
prop;
|
|
chart.pointCount--;
|
|
if (hoverPoints) {
|
point.setState();
|
erase(hoverPoints, point);
|
if (!hoverPoints.length) {
|
chart.hoverPoints = null;
|
}
|
|
}
|
if (point === chart.hoverPoint) {
|
point.onMouseOut();
|
}
|
|
// remove all events
|
if (point.graphic || point.dataLabel) { // removeEvent and destroyElements are performance expensive
|
removeEvent(point);
|
point.destroyElements();
|
}
|
|
if (point.legendItem) { // pies have legend items
|
chart.legend.destroyItem(point);
|
}
|
|
for (prop in point) {
|
point[prop] = null;
|
}
|
|
|
},
|
|
/**
|
* Destroy SVG elements associated with the point
|
*/
|
destroyElements: function () {
|
var point = this,
|
props = ['graphic', 'dataLabel', 'dataLabelUpper', 'group', 'connector', 'shadowGroup'],
|
prop,
|
i = 6;
|
while (i--) {
|
prop = props[i];
|
if (point[prop]) {
|
point[prop] = point[prop].destroy();
|
}
|
}
|
},
|
|
/**
|
* Return the configuration hash needed for the data label and tooltip formatters
|
*/
|
getLabelConfig: function () {
|
var point = this;
|
return {
|
x: point.category,
|
y: point.y,
|
key: point.name || point.category,
|
series: point.series,
|
point: point,
|
percentage: point.percentage,
|
total: point.total || point.stackTotal
|
};
|
},
|
|
/**
|
* Extendable method for formatting each point's tooltip line
|
*
|
* @return {String} A string to be concatenated in to the common tooltip text
|
*/
|
tooltipFormatter: function (pointFormat) {
|
|
// Insert options for valueDecimals, valuePrefix, and valueSuffix
|
var series = this.series,
|
seriesTooltipOptions = series.tooltipOptions,
|
valueDecimals = pick(seriesTooltipOptions.valueDecimals, ''),
|
valuePrefix = seriesTooltipOptions.valuePrefix || '',
|
valueSuffix = seriesTooltipOptions.valueSuffix || '';
|
|
// Loop over the point array map and replace unformatted values with sprintf formatting markup
|
each(series.pointArrayMap || ['y'], function (key) {
|
key = '{point.' + key; // without the closing bracket
|
if (valuePrefix || valueSuffix) {
|
pointFormat = pointFormat.replace(key + '}', valuePrefix + key + '}' + valueSuffix);
|
}
|
pointFormat = pointFormat.replace(key + '}', key + ':,.' + valueDecimals + 'f}');
|
});
|
|
return format(pointFormat, {
|
point: this,
|
series: this.series
|
});
|
},
|
|
/**
|
* Fire an event on the Point object. Must not be renamed to fireEvent, as this
|
* causes a name clash in MooTools
|
* @param {String} eventType
|
* @param {Object} eventArgs Additional event arguments
|
* @param {Function} defaultFunction Default event handler
|
*/
|
firePointEvent: function (eventType, eventArgs, defaultFunction) {
|
var point = this,
|
series = this.series,
|
seriesOptions = series.options;
|
|
// load event handlers on demand to save time on mouseover/out
|
if (seriesOptions.point.events[eventType] || (point.options && point.options.events && point.options.events[eventType])) {
|
this.importEvents();
|
}
|
|
// add default handler if in selection mode
|
if (eventType === 'click' && seriesOptions.allowPointSelect) {
|
defaultFunction = function (event) {
|
// Control key is for Windows, meta (= Cmd key) for Mac, Shift for Opera
|
point.select(null, event.ctrlKey || event.metaKey || event.shiftKey);
|
};
|
}
|
|
fireEvent(this, eventType, eventArgs, defaultFunction);
|
}
|
};/**
|
* @classDescription The base function which all other series types inherit from. The data in the series is stored
|
* in various arrays.
|
*
|
* - First, series.options.data contains all the original config options for
|
* each point whether added by options or methods like series.addPoint.
|
* - Next, series.data contains those values converted to points, but in case the series data length
|
* exceeds the cropThreshold, or if the data is grouped, series.data doesn't contain all the points. It
|
* only contains the points that have been created on demand.
|
* - Then there's series.points that contains all currently visible point objects. In case of cropping,
|
* the cropped-away points are not part of this array. The series.points array starts at series.cropStart
|
* compared to series.data and series.options.data. If however the series data is grouped, these can't
|
* be correlated one to one.
|
* - series.xData and series.processedXData contain clean x values, equivalent to series.data and series.points.
|
* - series.yData and series.processedYData contain clean x values, equivalent to series.data and series.points.
|
*
|
* @param {Object} chart
|
* @param {Object} options
|
*/
|
var Series = function () {};
|
|
Series.prototype = {
|
|
isCartesian: true,
|
type: 'line',
|
pointClass: Point,
|
sorted: true, // requires the data to be sorted
|
requireSorting: true,
|
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
|
stroke: 'lineColor',
|
'stroke-width': 'lineWidth',
|
fill: 'fillColor',
|
r: 'radius'
|
},
|
axisTypes: ['xAxis', 'yAxis'],
|
colorCounter: 0,
|
parallelArrays: ['x', 'y'], // each point's x and y values are stored in this.xData and this.yData
|
init: function (chart, options) {
|
var series = this,
|
eventType,
|
events,
|
chartSeries = chart.series,
|
sortByIndex = function (a, b) {
|
return pick(a.options.index, a._i) - pick(b.options.index, b._i);
|
};
|
|
series.chart = chart;
|
series.options = options = series.setOptions(options); // merge with plotOptions
|
series.linkedSeries = [];
|
|
// bind the axes
|
series.bindAxes();
|
|
// set some variables
|
extend(series, {
|
name: options.name,
|
state: NORMAL_STATE,
|
pointAttr: {},
|
visible: options.visible !== false, // true by default
|
selected: options.selected === true // false by default
|
});
|
|
// special
|
if (useCanVG) {
|
options.animation = false;
|
}
|
|
// register event listeners
|
events = options.events;
|
for (eventType in events) {
|
addEvent(series, eventType, events[eventType]);
|
}
|
if (
|
(events && events.click) ||
|
(options.point && options.point.events && options.point.events.click) ||
|
options.allowPointSelect
|
) {
|
chart.runTrackerClick = true;
|
}
|
|
series.getColor();
|
series.getSymbol();
|
|
// Set the data
|
each(series.parallelArrays, function (key) {
|
series[key + 'Data'] = [];
|
});
|
series.setData(options.data, false);
|
|
// Mark cartesian
|
if (series.isCartesian) {
|
chart.hasCartesianSeries = true;
|
}
|
|
// Register it in the chart
|
chartSeries.push(series);
|
series._i = chartSeries.length - 1;
|
|
// Sort series according to index option (#248, #1123, #2456)
|
stableSort(chartSeries, sortByIndex);
|
if (this.yAxis) {
|
stableSort(this.yAxis.series, sortByIndex);
|
}
|
|
each(chartSeries, function (series, i) {
|
series.index = i;
|
series.name = series.name || 'Series ' + (i + 1);
|
});
|
|
},
|
|
/**
|
* Set the xAxis and yAxis properties of cartesian series, and register the series
|
* in the axis.series array
|
*/
|
bindAxes: function () {
|
var series = this,
|
seriesOptions = series.options,
|
chart = series.chart,
|
axisOptions;
|
|
each(series.axisTypes || [], function (AXIS) { // repeat for xAxis and yAxis
|
|
each(chart[AXIS], function (axis) { // loop through the chart's axis objects
|
axisOptions = axis.options;
|
|
// apply if the series xAxis or yAxis option mathches the number of the
|
// axis, or if undefined, use the first axis
|
if ((seriesOptions[AXIS] === axisOptions.index) ||
|
(seriesOptions[AXIS] !== UNDEFINED && seriesOptions[AXIS] === axisOptions.id) ||
|
(seriesOptions[AXIS] === UNDEFINED && axisOptions.index === 0)) {
|
|
// register this series in the axis.series lookup
|
axis.series.push(series);
|
|
// set this series.xAxis or series.yAxis reference
|
series[AXIS] = axis;
|
|
// mark dirty for redraw
|
axis.isDirty = true;
|
}
|
});
|
|
// The series needs an X and an Y axis
|
if (!series[AXIS] && series.optionalAxis !== AXIS) {
|
error(18, true);
|
}
|
|
});
|
},
|
|
/**
|
* For simple series types like line and column, the data values are held in arrays like
|
* xData and yData for quick lookup to find extremes and more. For multidimensional series
|
* like bubble and map, this can be extended with arrays like zData and valueData by
|
* adding to the series.parallelArrays array.
|
*/
|
updateParallelArrays: function (point, i) {
|
var series = point.series,
|
args = arguments,
|
fn = typeof i === 'number' ?
|
// Insert the value in the given position
|
function (key) {
|
var val = key === 'y' && series.toYData ? series.toYData(point) : point[key];
|
series[key + 'Data'][i] = val;
|
} :
|
// Apply the method specified in i with the following arguments as arguments
|
function (key) {
|
Array.prototype[i].apply(series[key + 'Data'], Array.prototype.slice.call(args, 2));
|
};
|
|
each(series.parallelArrays, fn);
|
},
|
|
/**
|
* Return an auto incremented x value based on the pointStart and pointInterval options.
|
* This is only used if an x value is not given for the point that calls autoIncrement.
|
*/
|
autoIncrement: function () {
|
var series = this,
|
options = series.options,
|
xIncrement = series.xIncrement;
|
|
xIncrement = pick(xIncrement, options.pointStart, 0);
|
|
series.pointInterval = pick(series.pointInterval, options.pointInterval, 1);
|
|
series.xIncrement = xIncrement + series.pointInterval;
|
return xIncrement;
|
},
|
|
/**
|
* Divide the series data into segments divided by null values.
|
*/
|
getSegments: function () {
|
var series = this,
|
lastNull = -1,
|
segments = [],
|
i,
|
points = series.points,
|
pointsLength = points.length;
|
|
if (pointsLength) { // no action required for []
|
|
// if connect nulls, just remove null points
|
if (series.options.connectNulls) {
|
i = pointsLength;
|
while (i--) {
|
if (points[i].y === null) {
|
points.splice(i, 1);
|
}
|
}
|
if (points.length) {
|
segments = [points];
|
}
|
|
// else, split on null points
|
} else {
|
each(points, function (point, i) {
|
if (point.y === null) {
|
if (i > lastNull + 1) {
|
segments.push(points.slice(lastNull + 1, i));
|
}
|
lastNull = i;
|
} else if (i === pointsLength - 1) { // last value
|
segments.push(points.slice(lastNull + 1, i + 1));
|
}
|
});
|
}
|
}
|
|
// register it
|
series.segments = segments;
|
},
|
|
/**
|
* Set the series options by merging from the options tree
|
* @param {Object} itemOptions
|
*/
|
setOptions: function (itemOptions) {
|
var chart = this.chart,
|
chartOptions = chart.options,
|
plotOptions = chartOptions.plotOptions,
|
userOptions = chart.userOptions || {},
|
userPlotOptions = userOptions.plotOptions || {},
|
typeOptions = plotOptions[this.type],
|
options;
|
|
this.userOptions = itemOptions;
|
|
options = merge(
|
typeOptions,
|
plotOptions.series,
|
itemOptions
|
);
|
|
// The tooltip options are merged between global and series specific options
|
this.tooltipOptions = merge(
|
defaultOptions.tooltip,
|
defaultOptions.plotOptions[this.type].tooltip,
|
userOptions.tooltip,
|
userPlotOptions.series && userPlotOptions.series.tooltip,
|
userPlotOptions[this.type] && userPlotOptions[this.type].tooltip,
|
itemOptions.tooltip
|
);
|
|
// Delete marker object if not allowed (#1125)
|
if (typeOptions.marker === null) {
|
delete options.marker;
|
}
|
|
return options;
|
|
},
|
|
getCyclic: function (prop, value, defaults) {
|
var i,
|
userOptions = this.userOptions,
|
indexName = '_' + prop + 'Index',
|
counterName = prop + 'Counter';
|
|
if (!value) {
|
if (defined(userOptions[indexName])) { // after Series.update()
|
i = userOptions[indexName];
|
} else {
|
userOptions[indexName] = i = this.chart[counterName] % defaults.length;
|
this.chart[counterName] += 1;
|
}
|
value = defaults[i];
|
}
|
this[prop] = value;
|
},
|
|
/**
|
* Get the series' color
|
*/
|
getColor: function () {
|
if (!this.options.colorByPoint) {
|
this.getCyclic('color', this.options.color || defaultPlotOptions[this.type].color, this.chart.options.colors);
|
}
|
},
|
/**
|
* Get the series' symbol
|
*/
|
getSymbol: function () {
|
var seriesMarkerOption = this.options.marker;
|
|
this.getCyclic('symbol', seriesMarkerOption.symbol, this.chart.options.symbols);
|
|
// don't substract radius in image symbols (#604)
|
if (/^url/.test(this.symbol)) {
|
seriesMarkerOption.radius = 0;
|
}
|
},
|
|
drawLegendSymbol: LegendSymbolMixin.drawLineMarker,
|
|
/**
|
* Replace the series data with a new set of data
|
* @param {Object} data
|
* @param {Object} redraw
|
*/
|
setData: function (data, redraw, animation, updatePoints) {
|
var series = this,
|
oldData = series.points,
|
oldDataLength = (oldData && oldData.length) || 0,
|
dataLength,
|
options = series.options,
|
chart = series.chart,
|
firstPoint = null,
|
xAxis = series.xAxis,
|
hasCategories = xAxis && !!xAxis.categories,
|
tooltipPoints = series.tooltipPoints,
|
i,
|
turboThreshold = options.turboThreshold,
|
pt,
|
xData = this.xData,
|
yData = this.yData,
|
pointArrayMap = series.pointArrayMap,
|
valueCount = pointArrayMap && pointArrayMap.length;
|
|
data = data || [];
|
dataLength = data.length;
|
redraw = pick(redraw, true);
|
|
// If the point count is the same as is was, just run Point.update which is
|
// cheaper, allows animation, and keeps references to points.
|
if (updatePoints !== false && dataLength && oldDataLength === dataLength && !series.cropped && !series.hasGroupedData) {
|
each(data, function (point, i) {
|
oldData[i].update(point, false);
|
});
|
|
} else {
|
|
// Reset properties
|
series.xIncrement = null;
|
series.pointRange = hasCategories ? 1 : options.pointRange;
|
|
series.colorCounter = 0; // for series with colorByPoint (#1547)
|
|
// Update parallel arrays
|
each(this.parallelArrays, function (key) {
|
series[key + 'Data'].length = 0;
|
});
|
|
// In turbo mode, only one- or twodimensional arrays of numbers are allowed. The
|
// first value is tested, and we assume that all the rest are defined the same
|
// way. Although the 'for' loops are similar, they are repeated inside each
|
// if-else conditional for max performance.
|
if (turboThreshold && dataLength > turboThreshold) {
|
|
// find the first non-null point
|
i = 0;
|
while (firstPoint === null && i < dataLength) {
|
firstPoint = data[i];
|
i++;
|
}
|
|
|
if (isNumber(firstPoint)) { // assume all points are numbers
|
var x = pick(options.pointStart, 0),
|
pointInterval = pick(options.pointInterval, 1);
|
|
for (i = 0; i < dataLength; i++) {
|
xData[i] = x;
|
yData[i] = data[i];
|
x += pointInterval;
|
}
|
series.xIncrement = x;
|
} else if (isArray(firstPoint)) { // assume all points are arrays
|
if (valueCount) { // [x, low, high] or [x, o, h, l, c]
|
for (i = 0; i < dataLength; i++) {
|
pt = data[i];
|
xData[i] = pt[0];
|
yData[i] = pt.slice(1, valueCount + 1);
|
}
|
} else { // [x, y]
|
for (i = 0; i < dataLength; i++) {
|
pt = data[i];
|
xData[i] = pt[0];
|
yData[i] = pt[1];
|
}
|
}
|
} else {
|
error(12); // Highcharts expects configs to be numbers or arrays in turbo mode
|
}
|
} else {
|
for (i = 0; i < dataLength; i++) {
|
if (data[i] !== UNDEFINED) { // stray commas in oldIE
|
pt = { series: series };
|
series.pointClass.prototype.applyOptions.apply(pt, [data[i]]);
|
series.updateParallelArrays(pt, i);
|
if (hasCategories && pt.name) {
|
xAxis.names[pt.x] = pt.name; // #2046
|
}
|
}
|
}
|
}
|
|
// Forgetting to cast strings to numbers is a common caveat when handling CSV or JSON
|
if (isString(yData[0])) {
|
error(14, true);
|
}
|
|
series.data = [];
|
series.options.data = data;
|
//series.zData = zData;
|
|
// destroy old points
|
i = oldDataLength;
|
while (i--) {
|
if (oldData[i] && oldData[i].destroy) {
|
oldData[i].destroy();
|
}
|
}
|
if (tooltipPoints) { // #2594
|
tooltipPoints.length = 0;
|
}
|
|
// reset minRange (#878)
|
if (xAxis) {
|
xAxis.minRange = xAxis.userMinRange;
|
}
|
|
// redraw
|
series.isDirty = series.isDirtyData = chart.isDirtyBox = true;
|
animation = false;
|
}
|
|
if (redraw) {
|
chart.redraw(animation);
|
}
|
},
|
|
/**
|
* Process the data by cropping away unused data points if the series is longer
|
* than the crop threshold. This saves computing time for lage series.
|
*/
|
processData: function (force) {
|
var series = this,
|
processedXData = series.xData, // copied during slice operation below
|
processedYData = series.yData,
|
dataLength = processedXData.length,
|
croppedData,
|
cropStart = 0,
|
cropped,
|
distance,
|
closestPointRange,
|
xAxis = series.xAxis,
|
i, // loop variable
|
options = series.options,
|
cropThreshold = options.cropThreshold,
|
activePointCount = 0,
|
isCartesian = series.isCartesian,
|
xExtremes,
|
min,
|
max;
|
|
// If the series data or axes haven't changed, don't go through this. Return false to pass
|
// the message on to override methods like in data grouping.
|
if (isCartesian && !series.isDirty && !xAxis.isDirty && !series.yAxis.isDirty && !force) {
|
return false;
|
}
|
|
|
// optionally filter out points outside the plot area
|
if (isCartesian && series.sorted && (!cropThreshold || dataLength > cropThreshold || series.forceCrop)) {
|
|
xExtremes = xAxis.getExtremes(); // corrected for log axis (#3053)
|
min = xExtremes.min;
|
max = xExtremes.max;
|
|
// it's outside current extremes
|
if (processedXData[dataLength - 1] < min || processedXData[0] > max) {
|
processedXData = [];
|
processedYData = [];
|
|
// only crop if it's actually spilling out
|
} else if (processedXData[0] < min || processedXData[dataLength - 1] > max) {
|
croppedData = this.cropData(series.xData, series.yData, min, max);
|
processedXData = croppedData.xData;
|
processedYData = croppedData.yData;
|
cropStart = croppedData.start;
|
cropped = true;
|
activePointCount = processedXData.length;
|
}
|
}
|
|
|
// Find the closest distance between processed points
|
for (i = processedXData.length - 1; i >= 0; i--) {
|
distance = processedXData[i] - processedXData[i - 1];
|
|
if (!cropped && processedXData[i] > min && processedXData[i] < max) {
|
activePointCount++;
|
}
|
if (distance > 0 && (closestPointRange === UNDEFINED || distance < closestPointRange)) {
|
closestPointRange = distance;
|
|
// Unsorted data is not supported by the line tooltip, as well as data grouping and
|
// navigation in Stock charts (#725) and width calculation of columns (#1900)
|
} else if (distance < 0 && series.requireSorting) {
|
error(15);
|
}
|
}
|
|
// Record the properties
|
series.cropped = cropped; // undefined or true
|
series.cropStart = cropStart;
|
series.processedXData = processedXData;
|
series.processedYData = processedYData;
|
series.activePointCount = activePointCount;
|
|
if (options.pointRange === null) { // null means auto, as for columns, candlesticks and OHLC
|
series.pointRange = closestPointRange || 1;
|
}
|
series.closestPointRange = closestPointRange;
|
|
},
|
|
/**
|
* Iterate over xData and crop values between min and max. Returns object containing crop start/end
|
* cropped xData with corresponding part of yData, dataMin and dataMax within the cropped range
|
*/
|
cropData: function (xData, yData, min, max) {
|
var dataLength = xData.length,
|
cropStart = 0,
|
cropEnd = dataLength,
|
cropShoulder = pick(this.cropShoulder, 1), // line-type series need one point outside
|
i;
|
|
// iterate up to find slice start
|
for (i = 0; i < dataLength; i++) {
|
if (xData[i] >= min) {
|
cropStart = mathMax(0, i - cropShoulder);
|
break;
|
}
|
}
|
|
// proceed to find slice end
|
for (; i < dataLength; i++) {
|
if (xData[i] > max) {
|
cropEnd = i + cropShoulder;
|
break;
|
}
|
}
|
|
return {
|
xData: xData.slice(cropStart, cropEnd),
|
yData: yData.slice(cropStart, cropEnd),
|
start: cropStart,
|
end: cropEnd
|
};
|
},
|
|
|
/**
|
* Generate the data point after the data has been processed by cropping away
|
* unused points and optionally grouped in Highcharts Stock.
|
*/
|
generatePoints: function () {
|
var series = this,
|
options = series.options,
|
dataOptions = options.data,
|
data = series.data,
|
dataLength,
|
processedXData = series.processedXData,
|
processedYData = series.processedYData,
|
pointClass = series.pointClass,
|
processedDataLength = processedXData.length,
|
cropStart = series.cropStart || 0,
|
cursor,
|
hasGroupedData = series.hasGroupedData,
|
point,
|
points = [],
|
i;
|
|
if (!data && !hasGroupedData) {
|
var arr = [];
|
arr.length = dataOptions.length;
|
data = series.data = arr;
|
}
|
|
for (i = 0; i < processedDataLength; i++) {
|
cursor = cropStart + i;
|
if (!hasGroupedData) {
|
if (data[cursor]) {
|
point = data[cursor];
|
} else if (dataOptions[cursor] !== UNDEFINED) { // #970
|
data[cursor] = point = (new pointClass()).init(series, dataOptions[cursor], processedXData[i]);
|
}
|
points[i] = point;
|
} else {
|
// splat the y data in case of ohlc data array
|
points[i] = (new pointClass()).init(series, [processedXData[i]].concat(splat(processedYData[i])));
|
}
|
}
|
|
// Hide cropped-away points - this only runs when the number of points is above cropThreshold, or when
|
// swithching view from non-grouped data to grouped data (#637)
|
if (data && (processedDataLength !== (dataLength = data.length) || hasGroupedData)) {
|
for (i = 0; i < dataLength; i++) {
|
if (i === cropStart && !hasGroupedData) { // when has grouped data, clear all points
|
i += processedDataLength;
|
}
|
if (data[i]) {
|
data[i].destroyElements();
|
data[i].plotX = UNDEFINED; // #1003
|
}
|
}
|
}
|
|
series.data = data;
|
series.points = points;
|
},
|
|
/**
|
* Calculate Y extremes for visible data
|
*/
|
getExtremes: function (yData) {
|
var xAxis = this.xAxis,
|
yAxis = this.yAxis,
|
xData = this.processedXData,
|
yDataLength,
|
activeYData = [],
|
activeCounter = 0,
|
xExtremes = xAxis.getExtremes(), // #2117, need to compensate for log X axis
|
xMin = xExtremes.min,
|
xMax = xExtremes.max,
|
validValue,
|
withinRange,
|
dataMin,
|
dataMax,
|
x,
|
y,
|
i,
|
j;
|
|
yData = yData || this.stackedYData || this.processedYData;
|
yDataLength = yData.length;
|
|
for (i = 0; i < yDataLength; i++) {
|
|
x = xData[i];
|
y = yData[i];
|
|
// For points within the visible range, including the first point outside the
|
// visible range, consider y extremes
|
validValue = y !== null && y !== UNDEFINED && (!yAxis.isLog || (y.length || y > 0));
|
withinRange = this.getExtremesFromAll || this.cropped || ((xData[i + 1] || x) >= xMin &&
|
(xData[i - 1] || x) <= xMax);
|
|
if (validValue && withinRange) {
|
|
j = y.length;
|
if (j) { // array, like ohlc or range data
|
while (j--) {
|
if (y[j] !== null) {
|
activeYData[activeCounter++] = y[j];
|
}
|
}
|
} else {
|
activeYData[activeCounter++] = y;
|
}
|
}
|
}
|
this.dataMin = pick(dataMin, arrayMin(activeYData));
|
this.dataMax = pick(dataMax, arrayMax(activeYData));
|
},
|
|
/**
|
* Translate data points from raw data values to chart specific positioning data
|
* needed later in drawPoints, drawGraph and drawTracker.
|
*/
|
translate: function () {
|
if (!this.processedXData) { // hidden series
|
this.processData();
|
}
|
this.generatePoints();
|
var series = this,
|
options = series.options,
|
stacking = options.stacking,
|
xAxis = series.xAxis,
|
categories = xAxis.categories,
|
yAxis = series.yAxis,
|
points = series.points,
|
dataLength = points.length,
|
hasModifyValue = !!series.modifyValue,
|
i,
|
pointPlacement = options.pointPlacement,
|
dynamicallyPlaced = pointPlacement === 'between' || isNumber(pointPlacement),
|
threshold = options.threshold;
|
|
// Translate each point
|
for (i = 0; i < dataLength; i++) {
|
var point = points[i],
|
xValue = point.x,
|
yValue = point.y,
|
yBottom = point.low,
|
stack = stacking && yAxis.stacks[(series.negStacks && yValue < threshold ? '-' : '') + series.stackKey],
|
pointStack,
|
stackValues;
|
|
// Discard disallowed y values for log axes
|
if (yAxis.isLog && yValue <= 0) {
|
point.y = yValue = null;
|
}
|
|
// Get the plotX translation
|
point.plotX = xAxis.translate(xValue, 0, 0, 0, 1, pointPlacement, this.type === 'flags'); // Math.round fixes #591
|
|
|
// Calculate the bottom y value for stacked series
|
if (stacking && series.visible && stack && stack[xValue]) {
|
|
pointStack = stack[xValue];
|
stackValues = pointStack.points[series.index + ',' + i];
|
yBottom = stackValues[0];
|
yValue = stackValues[1];
|
|
if (yBottom === 0) {
|
yBottom = pick(threshold, yAxis.min);
|
}
|
if (yAxis.isLog && yBottom <= 0) { // #1200, #1232
|
yBottom = null;
|
}
|
|
point.total = point.stackTotal = pointStack.total;
|
point.percentage = pointStack.total && (point.y / pointStack.total * 100);
|
point.stackY = yValue;
|
|
// Place the stack label
|
pointStack.setOffset(series.pointXOffset || 0, series.barW || 0);
|
|
}
|
|
// Set translated yBottom or remove it
|
point.yBottom = defined(yBottom) ?
|
yAxis.translate(yBottom, 0, 1, 0, 1) :
|
null;
|
|
// general hook, used for Highstock compare mode
|
if (hasModifyValue) {
|
yValue = series.modifyValue(yValue, point);
|
}
|
|
// Set the the plotY value, reset it for redraws
|
point.plotY = (typeof yValue === 'number' && yValue !== Infinity) ?
|
//mathRound(yAxis.translate(yValue, 0, 1, 0, 1) * 10) / 10 : // Math.round fixes #591
|
yAxis.translate(yValue, 0, 1, 0, 1) :
|
UNDEFINED;
|
|
// Set client related positions for mouse tracking
|
point.clientX = dynamicallyPlaced ? xAxis.translate(xValue, 0, 0, 0, 1) : point.plotX; // #1514
|
|
point.negative = point.y < (threshold || 0);
|
|
// some API data
|
point.category = categories && categories[point.x] !== UNDEFINED ?
|
categories[point.x] : point.x;
|
|
}
|
|
// now that we have the cropped data, build the segments
|
series.getSegments();
|
},
|
|
/**
|
* Animate in the series
|
*/
|
animate: function (init) {
|
var series = this,
|
chart = series.chart,
|
renderer = chart.renderer,
|
clipRect,
|
markerClipRect,
|
animation = series.options.animation,
|
clipBox = series.clipBox || chart.clipBox,
|
inverted = chart.inverted,
|
sharedClipKey;
|
|
// Animation option is set to true
|
if (animation && !isObject(animation)) {
|
animation = defaultPlotOptions[series.type].animation;
|
}
|
sharedClipKey = ['_sharedClip', animation.duration, animation.easing, clipBox.height].join(',');
|
|
// Initialize the animation. Set up the clipping rectangle.
|
if (init) {
|
|
// If a clipping rectangle with the same properties is currently present in the chart, use that.
|
clipRect = chart[sharedClipKey];
|
markerClipRect = chart[sharedClipKey + 'm'];
|
if (!clipRect) {
|
chart[sharedClipKey] = clipRect = renderer.clipRect(
|
extend(clipBox, { width: 0 })
|
);
|
|
chart[sharedClipKey + 'm'] = markerClipRect = renderer.clipRect(
|
-99, // include the width of the first marker
|
inverted ? -chart.plotLeft : -chart.plotTop,
|
99,
|
inverted ? chart.chartWidth : chart.chartHeight
|
);
|
}
|
series.group.clip(clipRect);
|
series.markerGroup.clip(markerClipRect);
|
series.sharedClipKey = sharedClipKey;
|
|
// Run the animation
|
} else {
|
clipRect = chart[sharedClipKey];
|
if (clipRect) {
|
clipRect.animate({
|
width: chart.plotSizeX
|
}, animation);
|
}
|
if (chart[sharedClipKey + 'm']) {
|
chart[sharedClipKey + 'm'].animate({
|
width: chart.plotSizeX + 99
|
}, animation);
|
}
|
|
// Delete this function to allow it only once
|
series.animate = null;
|
|
}
|
},
|
|
/**
|
* This runs after animation to land on the final plot clipping
|
*/
|
afterAnimate: function () {
|
var chart = this.chart,
|
sharedClipKey = this.sharedClipKey,
|
group = this.group,
|
clipBox = this.clipBox;
|
|
if (group && this.options.clip !== false) {
|
if (!sharedClipKey || !clipBox) {
|
group.clip(clipBox ? chart.renderer.clipRect(clipBox) : chart.clipRect);
|
}
|
this.markerGroup.clip(); // no clip
|
}
|
|
fireEvent(this, 'afterAnimate');
|
|
// Remove the shared clipping rectancgle when all series are shown
|
setTimeout(function () {
|
if (sharedClipKey && chart[sharedClipKey]) {
|
if (!clipBox) {
|
chart[sharedClipKey] = chart[sharedClipKey].destroy();
|
}
|
if (chart[sharedClipKey + 'm']) {
|
chart[sharedClipKey + 'm'] = chart[sharedClipKey + 'm'].destroy();
|
}
|
}
|
}, 100);
|
},
|
|
/**
|
* Draw the markers
|
*/
|
drawPoints: function () {
|
var series = this,
|
pointAttr,
|
points = series.points,
|
chart = series.chart,
|
plotX,
|
plotY,
|
i,
|
point,
|
radius,
|
symbol,
|
isImage,
|
graphic,
|
options = series.options,
|
seriesMarkerOptions = options.marker,
|
seriesPointAttr = series.pointAttr[''],
|
pointMarkerOptions,
|
enabled,
|
isInside,
|
markerGroup = series.markerGroup,
|
globallyEnabled = pick(
|
seriesMarkerOptions.enabled,
|
series.activePointCount < (0.5 * series.xAxis.len / seriesMarkerOptions.radius)
|
);
|
|
if (seriesMarkerOptions.enabled !== false || series._hasPointMarkers) {
|
|
i = points.length;
|
while (i--) {
|
point = points[i];
|
plotX = mathFloor(point.plotX); // #1843
|
plotY = point.plotY;
|
graphic = point.graphic;
|
pointMarkerOptions = point.marker || {};
|
enabled = (globallyEnabled && pointMarkerOptions.enabled === UNDEFINED) || pointMarkerOptions.enabled;
|
isInside = chart.isInsidePlot(mathRound(plotX), plotY, chart.inverted); // #1858
|
|
// only draw the point if y is defined
|
if (enabled && plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {
|
|
// shortcuts
|
pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE] || seriesPointAttr;
|
radius = pointAttr.r;
|
symbol = pick(pointMarkerOptions.symbol, series.symbol);
|
isImage = symbol.indexOf('url') === 0;
|
|
if (graphic) { // update
|
graphic[isInside ? 'show' : 'hide'](true) // Since the marker group isn't clipped, each individual marker must be toggled
|
.animate(extend({
|
x: plotX - radius,
|
y: plotY - radius
|
}, graphic.symbolName ? { // don't apply to image symbols #507
|
width: 2 * radius,
|
height: 2 * radius
|
} : {}));
|
} else if (isInside && (radius > 0 || isImage)) {
|
point.graphic = graphic = chart.renderer.symbol(
|
symbol,
|
plotX - radius,
|
plotY - radius,
|
2 * radius,
|
2 * radius
|
)
|
.attr(pointAttr)
|
.add(markerGroup);
|
}
|
|
} else if (graphic) {
|
point.graphic = graphic.destroy(); // #1269
|
}
|
}
|
}
|
|
},
|
|
/**
|
* Convert state properties from API naming conventions to SVG attributes
|
*
|
* @param {Object} options API options object
|
* @param {Object} base1 SVG attribute object to inherit from
|
* @param {Object} base2 Second level SVG attribute object to inherit from
|
*/
|
convertAttribs: function (options, base1, base2, base3) {
|
var conversion = this.pointAttrToOptions,
|
attr,
|
option,
|
obj = {};
|
|
options = options || {};
|
base1 = base1 || {};
|
base2 = base2 || {};
|
base3 = base3 || {};
|
|
for (attr in conversion) {
|
option = conversion[attr];
|
obj[attr] = pick(options[option], base1[attr], base2[attr], base3[attr]);
|
}
|
return obj;
|
},
|
|
/**
|
* Get the state attributes. Each series type has its own set of attributes
|
* that are allowed to change on a point's state change. Series wide attributes are stored for
|
* all series, and additionally point specific attributes are stored for all
|
* points with individual marker options. If such options are not defined for the point,
|
* a reference to the series wide attributes is stored in point.pointAttr.
|
*/
|
getAttribs: function () {
|
var series = this,
|
seriesOptions = series.options,
|
normalOptions = defaultPlotOptions[series.type].marker ? seriesOptions.marker : seriesOptions,
|
stateOptions = normalOptions.states,
|
stateOptionsHover = stateOptions[HOVER_STATE],
|
pointStateOptionsHover,
|
seriesColor = series.color,
|
normalDefaults = {
|
stroke: seriesColor,
|
fill: seriesColor
|
},
|
points = series.points || [], // #927
|
i,
|
point,
|
seriesPointAttr = [],
|
pointAttr,
|
pointAttrToOptions = series.pointAttrToOptions,
|
hasPointSpecificOptions = series.hasPointSpecificOptions,
|
negativeColor = seriesOptions.negativeColor,
|
defaultLineColor = normalOptions.lineColor,
|
defaultFillColor = normalOptions.fillColor,
|
turboThreshold = seriesOptions.turboThreshold,
|
attr,
|
key;
|
|
// series type specific modifications
|
if (seriesOptions.marker) { // line, spline, area, areaspline, scatter
|
|
// if no hover radius is given, default to normal radius + 2
|
stateOptionsHover.radius = stateOptionsHover.radius || normalOptions.radius + stateOptionsHover.radiusPlus;
|
stateOptionsHover.lineWidth = stateOptionsHover.lineWidth || normalOptions.lineWidth + stateOptionsHover.lineWidthPlus;
|
|
} else { // column, bar, pie
|
|
// if no hover color is given, brighten the normal color
|
stateOptionsHover.color = stateOptionsHover.color ||
|
Color(stateOptionsHover.color || seriesColor)
|
.brighten(stateOptionsHover.brightness).get();
|
}
|
|
// general point attributes for the series normal state
|
seriesPointAttr[NORMAL_STATE] = series.convertAttribs(normalOptions, normalDefaults);
|
|
// HOVER_STATE and SELECT_STATE states inherit from normal state except the default radius
|
each([HOVER_STATE, SELECT_STATE], function (state) {
|
seriesPointAttr[state] =
|
series.convertAttribs(stateOptions[state], seriesPointAttr[NORMAL_STATE]);
|
});
|
|
// set it
|
series.pointAttr = seriesPointAttr;
|
|
|
// Generate the point-specific attribute collections if specific point
|
// options are given. If not, create a referance to the series wide point
|
// attributes
|
i = points.length;
|
if (!turboThreshold || i < turboThreshold || hasPointSpecificOptions) {
|
while (i--) {
|
point = points[i];
|
normalOptions = (point.options && point.options.marker) || point.options;
|
if (normalOptions && normalOptions.enabled === false) {
|
normalOptions.radius = 0;
|
}
|
|
if (point.negative && negativeColor) {
|
point.color = point.fillColor = negativeColor;
|
}
|
|
hasPointSpecificOptions = seriesOptions.colorByPoint || point.color; // #868
|
|
// check if the point has specific visual options
|
if (point.options) {
|
for (key in pointAttrToOptions) {
|
if (defined(normalOptions[pointAttrToOptions[key]])) {
|
hasPointSpecificOptions = true;
|
}
|
}
|
}
|
|
// a specific marker config object is defined for the individual point:
|
// create it's own attribute collection
|
if (hasPointSpecificOptions) {
|
normalOptions = normalOptions || {};
|
pointAttr = [];
|
stateOptions = normalOptions.states || {}; // reassign for individual point
|
pointStateOptionsHover = stateOptions[HOVER_STATE] = stateOptions[HOVER_STATE] || {};
|
|
// Handle colors for column and pies
|
if (!seriesOptions.marker) { // column, bar, point
|
// If no hover color is given, brighten the normal color. #1619, #2579
|
pointStateOptionsHover.color = pointStateOptionsHover.color || (!point.options.color && stateOptionsHover.color) ||
|
Color(point.color)
|
.brighten(pointStateOptionsHover.brightness || stateOptionsHover.brightness)
|
.get();
|
}
|
|
// normal point state inherits series wide normal state
|
attr = { color: point.color }; // #868
|
if (!defaultFillColor) { // Individual point color or negative color markers (#2219)
|
attr.fillColor = point.color;
|
}
|
if (!defaultLineColor) {
|
attr.lineColor = point.color; // Bubbles take point color, line markers use white
|
}
|
pointAttr[NORMAL_STATE] = series.convertAttribs(extend(attr, normalOptions), seriesPointAttr[NORMAL_STATE]);
|
|
// inherit from point normal and series hover
|
pointAttr[HOVER_STATE] = series.convertAttribs(
|
stateOptions[HOVER_STATE],
|
seriesPointAttr[HOVER_STATE],
|
pointAttr[NORMAL_STATE]
|
);
|
|
// inherit from point normal and series hover
|
pointAttr[SELECT_STATE] = series.convertAttribs(
|
stateOptions[SELECT_STATE],
|
seriesPointAttr[SELECT_STATE],
|
pointAttr[NORMAL_STATE]
|
);
|
|
|
// no marker config object is created: copy a reference to the series-wide
|
// attribute collection
|
} else {
|
pointAttr = seriesPointAttr;
|
}
|
|
point.pointAttr = pointAttr;
|
}
|
}
|
},
|
|
/**
|
* Clear DOM objects and free up memory
|
*/
|
destroy: function () {
|
var series = this,
|
chart = series.chart,
|
issue134 = /AppleWebKit\/533/.test(userAgent),
|
destroy,
|
i,
|
data = series.data || [],
|
point,
|
prop,
|
axis;
|
|
// add event hook
|
fireEvent(series, 'destroy');
|
|
// remove all events
|
removeEvent(series);
|
|
// erase from axes
|
each(series.axisTypes || [], function (AXIS) {
|
axis = series[AXIS];
|
if (axis) {
|
erase(axis.series, series);
|
axis.isDirty = axis.forceRedraw = true;
|
}
|
});
|
|
// remove legend items
|
if (series.legendItem) {
|
series.chart.legend.destroyItem(series);
|
}
|
|
// destroy all points with their elements
|
i = data.length;
|
while (i--) {
|
point = data[i];
|
if (point && point.destroy) {
|
point.destroy();
|
}
|
}
|
series.points = null;
|
|
// Clear the animation timeout if we are destroying the series during initial animation
|
clearTimeout(series.animationTimeout);
|
|
// destroy all SVGElements associated to the series
|
each(['area', 'graph', 'dataLabelsGroup', 'group', 'markerGroup', 'tracker',
|
'graphNeg', 'areaNeg', 'posClip', 'negClip'], function (prop) {
|
if (series[prop]) {
|
|
// issue 134 workaround
|
destroy = issue134 && prop === 'group' ?
|
'hide' :
|
'destroy';
|
|
series[prop][destroy]();
|
}
|
});
|
|
// remove from hoverSeries
|
if (chart.hoverSeries === series) {
|
chart.hoverSeries = null;
|
}
|
erase(chart.series, series);
|
|
// clear all members
|
for (prop in series) {
|
delete series[prop];
|
}
|
},
|
|
/**
|
* Return the graph path of a segment
|
*/
|
getSegmentPath: function (segment) {
|
var series = this,
|
segmentPath = [],
|
step = series.options.step;
|
|
// build the segment line
|
each(segment, function (point, i) {
|
|
var plotX = point.plotX,
|
plotY = point.plotY,
|
lastPoint;
|
|
if (series.getPointSpline) { // generate the spline as defined in the SplineSeries object
|
segmentPath.push.apply(segmentPath, series.getPointSpline(segment, point, i));
|
|
} else {
|
|
// moveTo or lineTo
|
segmentPath.push(i ? L : M);
|
|
// step line?
|
if (step && i) {
|
lastPoint = segment[i - 1];
|
if (step === 'right') {
|
segmentPath.push(
|
lastPoint.plotX,
|
plotY
|
);
|
|
} else if (step === 'center') {
|
segmentPath.push(
|
(lastPoint.plotX + plotX) / 2,
|
lastPoint.plotY,
|
(lastPoint.plotX + plotX) / 2,
|
plotY
|
);
|
|
} else {
|
segmentPath.push(
|
plotX,
|
lastPoint.plotY
|
);
|
}
|
}
|
|
// normal line to next point
|
segmentPath.push(
|
point.plotX,
|
point.plotY
|
);
|
}
|
});
|
|
return segmentPath;
|
},
|
|
/**
|
* Get the graph path
|
*/
|
getGraphPath: function () {
|
var series = this,
|
graphPath = [],
|
segmentPath,
|
singlePoints = []; // used in drawTracker
|
|
// Divide into segments and build graph and area paths
|
each(series.segments, function (segment) {
|
|
segmentPath = series.getSegmentPath(segment);
|
|
// add the segment to the graph, or a single point for tracking
|
if (segment.length > 1) {
|
graphPath = graphPath.concat(segmentPath);
|
} else {
|
singlePoints.push(segment[0]);
|
}
|
});
|
|
// Record it for use in drawGraph and drawTracker, and return graphPath
|
series.singlePoints = singlePoints;
|
series.graphPath = graphPath;
|
|
return graphPath;
|
|
},
|
|
/**
|
* Draw the actual graph
|
*/
|
drawGraph: function () {
|
var series = this,
|
options = this.options,
|
props = [['graph', options.lineColor || this.color]],
|
lineWidth = options.lineWidth,
|
dashStyle = options.dashStyle,
|
roundCap = options.linecap !== 'square',
|
graphPath = this.getGraphPath(),
|
negativeColor = options.negativeColor;
|
|
if (negativeColor) {
|
props.push(['graphNeg', negativeColor]);
|
}
|
|
// draw the graph
|
each(props, function (prop, i) {
|
var graphKey = prop[0],
|
graph = series[graphKey],
|
attribs;
|
|
if (graph) {
|
stop(graph); // cancel running animations, #459
|
graph.animate({ d: graphPath });
|
|
} else if (lineWidth && graphPath.length) { // #1487
|
attribs = {
|
stroke: prop[1],
|
'stroke-width': lineWidth,
|
fill: NONE,
|
zIndex: 1 // #1069
|
};
|
if (dashStyle) {
|
attribs.dashstyle = dashStyle;
|
} else if (roundCap) {
|
attribs['stroke-linecap'] = attribs['stroke-linejoin'] = 'round';
|
}
|
|
series[graphKey] = series.chart.renderer.path(graphPath)
|
.attr(attribs)
|
.add(series.group)
|
.shadow(!i && options.shadow);
|
}
|
});
|
},
|
|
/**
|
* Clip the graphs into the positive and negative coloured graphs
|
*/
|
clipNeg: function () {
|
var options = this.options,
|
chart = this.chart,
|
renderer = chart.renderer,
|
negativeColor = options.negativeColor || options.negativeFillColor,
|
translatedThreshold,
|
posAttr,
|
negAttr,
|
graph = this.graph,
|
area = this.area,
|
posClip = this.posClip,
|
negClip = this.negClip,
|
chartWidth = chart.chartWidth,
|
chartHeight = chart.chartHeight,
|
chartSizeMax = mathMax(chartWidth, chartHeight),
|
yAxis = this.yAxis,
|
above,
|
below;
|
|
if (negativeColor && (graph || area)) {
|
translatedThreshold = mathRound(yAxis.toPixels(options.threshold || 0, true));
|
if (translatedThreshold < 0) {
|
chartSizeMax -= translatedThreshold; // #2534
|
}
|
above = {
|
x: 0,
|
y: 0,
|
width: chartSizeMax,
|
height: translatedThreshold
|
};
|
below = {
|
x: 0,
|
y: translatedThreshold,
|
width: chartSizeMax,
|
height: chartSizeMax
|
};
|
|
if (chart.inverted) {
|
|
above.height = below.y = chart.plotWidth - translatedThreshold;
|
if (renderer.isVML) {
|
above = {
|
x: chart.plotWidth - translatedThreshold - chart.plotLeft,
|
y: 0,
|
width: chartWidth,
|
height: chartHeight
|
};
|
below = {
|
x: translatedThreshold + chart.plotLeft - chartWidth,
|
y: 0,
|
width: chart.plotLeft + translatedThreshold,
|
height: chartWidth
|
};
|
}
|
}
|
|
if (yAxis.reversed) {
|
posAttr = below;
|
negAttr = above;
|
} else {
|
posAttr = above;
|
negAttr = below;
|
}
|
|
if (posClip) { // update
|
posClip.animate(posAttr);
|
negClip.animate(negAttr);
|
} else {
|
|
this.posClip = posClip = renderer.clipRect(posAttr);
|
this.negClip = negClip = renderer.clipRect(negAttr);
|
|
if (graph && this.graphNeg) {
|
graph.clip(posClip);
|
this.graphNeg.clip(negClip);
|
}
|
|
if (area) {
|
area.clip(posClip);
|
this.areaNeg.clip(negClip);
|
}
|
}
|
}
|
},
|
|
/**
|
* Initialize and perform group inversion on series.group and series.markerGroup
|
*/
|
invertGroups: function () {
|
var series = this,
|
chart = series.chart;
|
|
// Pie, go away (#1736)
|
if (!series.xAxis) {
|
return;
|
}
|
|
// A fixed size is needed for inversion to work
|
function setInvert() {
|
var size = {
|
width: series.yAxis.len,
|
height: series.xAxis.len
|
};
|
|
each(['group', 'markerGroup'], function (groupName) {
|
if (series[groupName]) {
|
series[groupName].attr(size).invert();
|
}
|
});
|
}
|
|
addEvent(chart, 'resize', setInvert); // do it on resize
|
addEvent(series, 'destroy', function () {
|
removeEvent(chart, 'resize', setInvert);
|
});
|
|
// Do it now
|
setInvert(); // do it now
|
|
// On subsequent render and redraw, just do setInvert without setting up events again
|
series.invertGroups = setInvert;
|
},
|
|
/**
|
* General abstraction for creating plot groups like series.group, series.dataLabelsGroup and
|
* series.markerGroup. On subsequent calls, the group will only be adjusted to the updated plot size.
|
*/
|
plotGroup: function (prop, name, visibility, zIndex, parent) {
|
var group = this[prop],
|
isNew = !group;
|
|
// Generate it on first call
|
if (isNew) {
|
this[prop] = group = this.chart.renderer.g(name)
|
.attr({
|
visibility: visibility,
|
zIndex: zIndex || 0.1 // IE8 needs this
|
})
|
.add(parent);
|
}
|
// Place it on first and subsequent (redraw) calls
|
group[isNew ? 'attr' : 'animate'](this.getPlotBox());
|
return group;
|
},
|
|
/**
|
* Get the translation and scale for the plot area of this series
|
*/
|
getPlotBox: function () {
|
var chart = this.chart,
|
xAxis = this.xAxis,
|
yAxis = this.yAxis;
|
|
// Swap axes for inverted (#2339)
|
if (chart.inverted) {
|
xAxis = yAxis;
|
yAxis = this.xAxis;
|
}
|
return {
|
translateX: xAxis ? xAxis.left : chart.plotLeft,
|
translateY: yAxis ? yAxis.top : chart.plotTop,
|
scaleX: 1, // #1623
|
scaleY: 1
|
};
|
},
|
|
/**
|
* Render the graph and markers
|
*/
|
render: function () {
|
var series = this,
|
chart = series.chart,
|
group,
|
options = series.options,
|
animation = options.animation,
|
// Animation doesn't work in IE8 quirks when the group div is hidden,
|
// and looks bad in other oldIE
|
animDuration = (animation && !!series.animate && chart.renderer.isSVG && pick(animation.duration, 500)) || 0,
|
visibility = series.visible ? VISIBLE : HIDDEN,
|
zIndex = options.zIndex,
|
hasRendered = series.hasRendered,
|
chartSeriesGroup = chart.seriesGroup;
|
|
// the group
|
group = series.plotGroup(
|
'group',
|
'series',
|
visibility,
|
zIndex,
|
chartSeriesGroup
|
);
|
|
series.markerGroup = series.plotGroup(
|
'markerGroup',
|
'markers',
|
visibility,
|
zIndex,
|
chartSeriesGroup
|
);
|
|
// initiate the animation
|
if (animDuration) {
|
series.animate(true);
|
}
|
|
// cache attributes for shapes
|
series.getAttribs();
|
|
// SVGRenderer needs to know this before drawing elements (#1089, #1795)
|
group.inverted = series.isCartesian ? chart.inverted : false;
|
|
// draw the graph if any
|
if (series.drawGraph) {
|
series.drawGraph();
|
series.clipNeg();
|
}
|
|
// draw the data labels (inn pies they go before the points)
|
if (series.drawDataLabels) {
|
series.drawDataLabels();
|
}
|
|
// draw the points
|
if (series.visible) {
|
series.drawPoints();
|
}
|
|
|
// draw the mouse tracking area
|
if (series.drawTracker && series.options.enableMouseTracking !== false) {
|
series.drawTracker();
|
}
|
|
// Handle inverted series and tracker groups
|
if (chart.inverted) {
|
series.invertGroups();
|
}
|
|
// Initial clipping, must be defined after inverting groups for VML
|
if (options.clip !== false && !series.sharedClipKey && !hasRendered) {
|
group.clip(chart.clipRect);
|
}
|
|
// Run the animation
|
if (animDuration) {
|
series.animate();
|
}
|
|
// Call the afterAnimate function on animation complete (but don't overwrite the animation.complete option
|
// which should be available to the user).
|
if (!hasRendered) {
|
if (animDuration) {
|
series.animationTimeout = setTimeout(function () {
|
series.afterAnimate();
|
}, animDuration);
|
} else {
|
series.afterAnimate();
|
}
|
}
|
|
series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
|
// (See #322) series.isDirty = series.isDirtyData = false; // means data is in accordance with what you see
|
series.hasRendered = true;
|
},
|
|
/**
|
* Redraw the series after an update in the axes.
|
*/
|
redraw: function () {
|
var series = this,
|
chart = series.chart,
|
wasDirtyData = series.isDirtyData, // cache it here as it is set to false in render, but used after
|
group = series.group,
|
xAxis = series.xAxis,
|
yAxis = series.yAxis;
|
|
// reposition on resize
|
if (group) {
|
if (chart.inverted) {
|
group.attr({
|
width: chart.plotWidth,
|
height: chart.plotHeight
|
});
|
}
|
|
group.animate({
|
translateX: pick(xAxis && xAxis.left, chart.plotLeft),
|
translateY: pick(yAxis && yAxis.top, chart.plotTop)
|
});
|
}
|
|
series.translate();
|
if (series.setTooltipPoints) {
|
series.setTooltipPoints(true);
|
}
|
series.render();
|
|
if (wasDirtyData) {
|
fireEvent(series, 'updatedData');
|
}
|
}
|
}; // end Series prototype
|
|
/**
|
* The class for stack items
|
*/
|
function StackItem(axis, options, isNegative, x, stackOption) {
|
|
var inverted = axis.chart.inverted;
|
|
this.axis = axis;
|
|
// Tells if the stack is negative
|
this.isNegative = isNegative;
|
|
// Save the options to be able to style the label
|
this.options = options;
|
|
// Save the x value to be able to position the label later
|
this.x = x;
|
|
// Initialize total value
|
this.total = null;
|
|
// This will keep each points' extremes stored by series.index and point index
|
this.points = {};
|
|
// Save the stack option on the series configuration object, and whether to treat it as percent
|
this.stack = stackOption;
|
|
// The align options and text align varies on whether the stack is negative and
|
// if the chart is inverted or not.
|
// First test the user supplied value, then use the dynamic.
|
this.alignOptions = {
|
align: options.align || (inverted ? (isNegative ? 'left' : 'right') : 'center'),
|
verticalAlign: options.verticalAlign || (inverted ? 'middle' : (isNegative ? 'bottom' : 'top')),
|
y: pick(options.y, inverted ? 4 : (isNegative ? 14 : -6)),
|
x: pick(options.x, inverted ? (isNegative ? -6 : 6) : 0)
|
};
|
|
this.textAlign = options.textAlign || (inverted ? (isNegative ? 'right' : 'left') : 'center');
|
}
|
|
StackItem.prototype = {
|
destroy: function () {
|
destroyObjectProperties(this, this.axis);
|
},
|
|
/**
|
* Renders the stack total label and adds it to the stack label group.
|
*/
|
render: function (group) {
|
var options = this.options,
|
formatOption = options.format,
|
str = formatOption ?
|
format(formatOption, this) :
|
options.formatter.call(this); // format the text in the label
|
|
// Change the text to reflect the new total and set visibility to hidden in case the serie is hidden
|
if (this.label) {
|
this.label.attr({text: str, visibility: HIDDEN});
|
// Create new label
|
} else {
|
this.label =
|
this.axis.chart.renderer.text(str, null, null, options.useHTML) // dummy positions, actual position updated with setOffset method in columnseries
|
.css(options.style) // apply style
|
.attr({
|
align: this.textAlign, // fix the text-anchor
|
rotation: options.rotation, // rotation
|
visibility: HIDDEN // hidden until setOffset is called
|
})
|
.add(group); // add to the labels-group
|
}
|
},
|
|
/**
|
* Sets the offset that the stack has from the x value and repositions the label.
|
*/
|
setOffset: function (xOffset, xWidth) {
|
var stackItem = this,
|
axis = stackItem.axis,
|
chart = axis.chart,
|
inverted = chart.inverted,
|
neg = this.isNegative, // special treatment is needed for negative stacks
|
y = axis.translate(axis.usePercentage ? 100 : this.total, 0, 0, 0, 1), // stack value translated mapped to chart coordinates
|
yZero = axis.translate(0), // stack origin
|
h = mathAbs(y - yZero), // stack height
|
x = chart.xAxis[0].translate(this.x) + xOffset, // stack x position
|
plotHeight = chart.plotHeight,
|
stackBox = { // this is the box for the complete stack
|
x: inverted ? (neg ? y : y - h) : x,
|
y: inverted ? plotHeight - x - xWidth : (neg ? (plotHeight - y - h) : plotHeight - y),
|
width: inverted ? h : xWidth,
|
height: inverted ? xWidth : h
|
},
|
label = this.label,
|
alignAttr;
|
|
if (label) {
|
label.align(this.alignOptions, null, stackBox); // align the label to the box
|
|
// Set visibility (#678)
|
alignAttr = label.alignAttr;
|
label[this.options.crop === false || chart.isInsidePlot(alignAttr.x, alignAttr.y) ? 'show' : 'hide'](true);
|
}
|
}
|
};
|
|
|
// Stacking methods defined on the Axis prototype
|
|
/**
|
* Build the stacks from top down
|
*/
|
Axis.prototype.buildStacks = function () {
|
var series = this.series,
|
reversedStacks = pick(this.options.reversedStacks, true),
|
i = series.length;
|
if (!this.isXAxis) {
|
this.usePercentage = false;
|
while (i--) {
|
series[reversedStacks ? i : series.length - i - 1].setStackedPoints();
|
}
|
// Loop up again to compute percent stack
|
if (this.usePercentage) {
|
for (i = 0; i < series.length; i++) {
|
series[i].setPercentStacks();
|
}
|
}
|
}
|
};
|
|
Axis.prototype.renderStackTotals = function () {
|
var axis = this,
|
chart = axis.chart,
|
renderer = chart.renderer,
|
stacks = axis.stacks,
|
stackKey,
|
oneStack,
|
stackCategory,
|
stackTotalGroup = axis.stackTotalGroup;
|
|
// Create a separate group for the stack total labels
|
if (!stackTotalGroup) {
|
axis.stackTotalGroup = stackTotalGroup =
|
renderer.g('stack-labels')
|
.attr({
|
visibility: VISIBLE,
|
zIndex: 6
|
})
|
.add();
|
}
|
|
// plotLeft/Top will change when y axis gets wider so we need to translate the
|
// stackTotalGroup at every render call. See bug #506 and #516
|
stackTotalGroup.translate(chart.plotLeft, chart.plotTop);
|
|
// Render each stack total
|
for (stackKey in stacks) {
|
oneStack = stacks[stackKey];
|
for (stackCategory in oneStack) {
|
oneStack[stackCategory].render(stackTotalGroup);
|
}
|
}
|
};
|
|
|
// Stacking methods defnied for Series prototype
|
|
/**
|
* Adds series' points value to corresponding stack
|
*/
|
Series.prototype.setStackedPoints = function () {
|
if (!this.options.stacking || (this.visible !== true && this.chart.options.chart.ignoreHiddenSeries !== false)) {
|
return;
|
}
|
|
var series = this,
|
xData = series.processedXData,
|
yData = series.processedYData,
|
stackedYData = [],
|
yDataLength = yData.length,
|
seriesOptions = series.options,
|
threshold = seriesOptions.threshold,
|
stackOption = seriesOptions.stack,
|
stacking = seriesOptions.stacking,
|
stackKey = series.stackKey,
|
negKey = '-' + stackKey,
|
negStacks = series.negStacks,
|
yAxis = series.yAxis,
|
stacks = yAxis.stacks,
|
oldStacks = yAxis.oldStacks,
|
isNegative,
|
stack,
|
other,
|
key,
|
pointKey,
|
i,
|
x,
|
y;
|
|
// loop over the non-null y values and read them into a local array
|
for (i = 0; i < yDataLength; i++) {
|
x = xData[i];
|
y = yData[i];
|
pointKey = series.index + ',' + i;
|
|
// Read stacked values into a stack based on the x value,
|
// the sign of y and the stack key. Stacking is also handled for null values (#739)
|
isNegative = negStacks && y < threshold;
|
key = isNegative ? negKey : stackKey;
|
|
// Create empty object for this stack if it doesn't exist yet
|
if (!stacks[key]) {
|
stacks[key] = {};
|
}
|
|
// Initialize StackItem for this x
|
if (!stacks[key][x]) {
|
if (oldStacks[key] && oldStacks[key][x]) {
|
stacks[key][x] = oldStacks[key][x];
|
stacks[key][x].total = null;
|
} else {
|
stacks[key][x] = new StackItem(yAxis, yAxis.options.stackLabels, isNegative, x, stackOption);
|
}
|
}
|
|
// If the StackItem doesn't exist, create it first
|
stack = stacks[key][x];
|
stack.points[pointKey] = [stack.cum || 0];
|
|
// Add value to the stack total
|
if (stacking === 'percent') {
|
|
// Percent stacked column, totals are the same for the positive and negative stacks
|
other = isNegative ? stackKey : negKey;
|
if (negStacks && stacks[other] && stacks[other][x]) {
|
other = stacks[other][x];
|
stack.total = other.total = mathMax(other.total, stack.total) + mathAbs(y) || 0;
|
|
// Percent stacked areas
|
} else {
|
stack.total = correctFloat(stack.total + (mathAbs(y) || 0));
|
}
|
} else {
|
stack.total = correctFloat(stack.total + (y || 0));
|
}
|
|
stack.cum = (stack.cum || 0) + (y || 0);
|
|
stack.points[pointKey].push(stack.cum);
|
stackedYData[i] = stack.cum;
|
|
}
|
|
if (stacking === 'percent') {
|
yAxis.usePercentage = true;
|
}
|
|
this.stackedYData = stackedYData; // To be used in getExtremes
|
|
// Reset old stacks
|
yAxis.oldStacks = {};
|
};
|
|
/**
|
* Iterate over all stacks and compute the absolute values to percent
|
*/
|
Series.prototype.setPercentStacks = function () {
|
var series = this,
|
stackKey = series.stackKey,
|
stacks = series.yAxis.stacks,
|
processedXData = series.processedXData;
|
|
each([stackKey, '-' + stackKey], function (key) {
|
var i = processedXData.length,
|
x,
|
stack,
|
pointExtremes,
|
totalFactor;
|
|
while (i--) {
|
x = processedXData[i];
|
stack = stacks[key] && stacks[key][x];
|
pointExtremes = stack && stack.points[series.index + ',' + i];
|
if (pointExtremes) {
|
totalFactor = stack.total ? 100 / stack.total : 0;
|
pointExtremes[0] = correctFloat(pointExtremes[0] * totalFactor); // Y bottom value
|
pointExtremes[1] = correctFloat(pointExtremes[1] * totalFactor); // Y value
|
series.stackedYData[i] = pointExtremes[1];
|
}
|
}
|
});
|
};
|
|
// Extend the Chart prototype for dynamic methods
|
extend(Chart.prototype, {
|
|
/**
|
* Add a series dynamically after time
|
*
|
* @param {Object} options The config options
|
* @param {Boolean} redraw Whether to redraw the chart after adding. Defaults to true.
|
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation
|
* configuration
|
*
|
* @return {Object} series The newly created series object
|
*/
|
addSeries: function (options, redraw, animation) {
|
var series,
|
chart = this;
|
|
if (options) {
|
redraw = pick(redraw, true); // defaults to true
|
|
fireEvent(chart, 'addSeries', { options: options }, function () {
|
series = chart.initSeries(options);
|
|
chart.isDirtyLegend = true; // the series array is out of sync with the display
|
chart.linkSeries();
|
if (redraw) {
|
chart.redraw(animation);
|
}
|
});
|
}
|
|
return series;
|
},
|
|
/**
|
* Add an axis to the chart
|
* @param {Object} options The axis option
|
* @param {Boolean} isX Whether it is an X axis or a value axis
|
*/
|
addAxis: function (options, isX, redraw, animation) {
|
var key = isX ? 'xAxis' : 'yAxis',
|
chartOptions = this.options,
|
axis;
|
|
/*jslint unused: false*/
|
axis = new Axis(this, merge(options, {
|
index: this[key].length,
|
isX: isX
|
}));
|
/*jslint unused: true*/
|
|
// Push the new axis options to the chart options
|
chartOptions[key] = splat(chartOptions[key] || {});
|
chartOptions[key].push(options);
|
|
if (pick(redraw, true)) {
|
this.redraw(animation);
|
}
|
},
|
|
/**
|
* Dim the chart and show a loading text or symbol
|
* @param {String} str An optional text to show in the loading label instead of the default one
|
*/
|
showLoading: function (str) {
|
var chart = this,
|
options = chart.options,
|
loadingDiv = chart.loadingDiv,
|
loadingOptions = options.loading,
|
setLoadingSize = function () {
|
if (loadingDiv) {
|
css(loadingDiv, {
|
left: chart.plotLeft + PX,
|
top: chart.plotTop + PX,
|
width: chart.plotWidth + PX,
|
height: chart.plotHeight + PX
|
});
|
}
|
};
|
|
// create the layer at the first call
|
if (!loadingDiv) {
|
chart.loadingDiv = loadingDiv = createElement(DIV, {
|
className: PREFIX + 'loading'
|
}, extend(loadingOptions.style, {
|
zIndex: 10,
|
display: NONE
|
}), chart.container);
|
|
chart.loadingSpan = createElement(
|
'span',
|
null,
|
loadingOptions.labelStyle,
|
loadingDiv
|
);
|
addEvent(chart, 'redraw', setLoadingSize); // #1080
|
}
|
|
// update text
|
chart.loadingSpan.innerHTML = str || options.lang.loading;
|
|
// show it
|
if (!chart.loadingShown) {
|
css(loadingDiv, {
|
opacity: 0,
|
display: ''
|
});
|
animate(loadingDiv, {
|
opacity: loadingOptions.style.opacity
|
}, {
|
duration: loadingOptions.showDuration || 0
|
});
|
chart.loadingShown = true;
|
}
|
setLoadingSize();
|
},
|
|
/**
|
* Hide the loading layer
|
*/
|
hideLoading: function () {
|
var options = this.options,
|
loadingDiv = this.loadingDiv;
|
|
if (loadingDiv) {
|
animate(loadingDiv, {
|
opacity: 0
|
}, {
|
duration: options.loading.hideDuration || 100,
|
complete: function () {
|
css(loadingDiv, { display: NONE });
|
}
|
});
|
}
|
this.loadingShown = false;
|
}
|
});
|
|
// extend the Point prototype for dynamic methods
|
extend(Point.prototype, {
|
/**
|
* Update the point with new options (typically x/y data) and optionally redraw the series.
|
*
|
* @param {Object} options Point options as defined in the series.data array
|
* @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
|
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation
|
* configuration
|
*
|
*/
|
update: function (options, redraw, animation) {
|
var point = this,
|
series = point.series,
|
graphic = point.graphic,
|
i,
|
data = series.data,
|
chart = series.chart,
|
seriesOptions = series.options;
|
|
redraw = pick(redraw, true);
|
|
// fire the event with a default handler of doing the update
|
point.firePointEvent('update', { options: options }, function () {
|
|
point.applyOptions(options);
|
|
// update visuals
|
if (isObject(options)) {
|
series.getAttribs();
|
if (graphic) {
|
if (options && options.marker && options.marker.symbol) {
|
point.graphic = graphic.destroy();
|
} else {
|
graphic.attr(point.pointAttr[point.state || '']);
|
}
|
}
|
if (options && options.dataLabels && point.dataLabel) { // #2468
|
point.dataLabel = point.dataLabel.destroy();
|
}
|
}
|
|
// record changes in the parallel arrays
|
i = inArray(point, data);
|
series.updateParallelArrays(point, i);
|
|
seriesOptions.data[i] = point.options;
|
|
// redraw
|
series.isDirty = series.isDirtyData = true;
|
if (!series.fixedBox && series.hasCartesianSeries) { // #1906, #2320
|
chart.isDirtyBox = true;
|
}
|
|
if (seriesOptions.legendType === 'point') { // #1831, #1885
|
chart.legend.destroyItem(point);
|
}
|
if (redraw) {
|
chart.redraw(animation);
|
}
|
});
|
},
|
|
/**
|
* Remove a point and optionally redraw the series and if necessary the axes
|
* @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
|
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation
|
* configuration
|
*/
|
remove: function (redraw, animation) {
|
var point = this,
|
series = point.series,
|
points = series.points,
|
chart = series.chart,
|
i,
|
data = series.data;
|
|
setAnimation(animation, chart);
|
redraw = pick(redraw, true);
|
|
// fire the event with a default handler of removing the point
|
point.firePointEvent('remove', null, function () {
|
|
// splice all the parallel arrays
|
i = inArray(point, data);
|
if (data.length === points.length) {
|
points.splice(i, 1);
|
}
|
data.splice(i, 1);
|
series.options.data.splice(i, 1);
|
series.updateParallelArrays(point, 'splice', i, 1);
|
|
point.destroy();
|
|
// redraw
|
series.isDirty = true;
|
series.isDirtyData = true;
|
if (redraw) {
|
chart.redraw();
|
}
|
});
|
}
|
});
|
|
// Extend the series prototype for dynamic methods
|
extend(Series.prototype, {
|
/**
|
* Add a point dynamically after chart load time
|
* @param {Object} options Point options as given in series.data
|
* @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
|
* @param {Boolean} shift If shift is true, a point is shifted off the start
|
* of the series as one is appended to the end.
|
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation
|
* configuration
|
*/
|
addPoint: function (options, redraw, shift, animation) {
|
var series = this,
|
seriesOptions = series.options,
|
data = series.data,
|
graph = series.graph,
|
area = series.area,
|
chart = series.chart,
|
names = series.xAxis && series.xAxis.names,
|
currentShift = (graph && graph.shift) || 0,
|
dataOptions = seriesOptions.data,
|
point,
|
isInTheMiddle,
|
xData = series.xData,
|
x,
|
i;
|
|
setAnimation(animation, chart);
|
|
// Make graph animate sideways
|
if (shift) {
|
each([graph, area, series.graphNeg, series.areaNeg], function (shape) {
|
if (shape) {
|
shape.shift = currentShift + 1;
|
}
|
});
|
}
|
if (area) {
|
area.isArea = true; // needed in animation, both with and without shift
|
}
|
|
// Optional redraw, defaults to true
|
redraw = pick(redraw, true);
|
|
// Get options and push the point to xData, yData and series.options. In series.generatePoints
|
// the Point instance will be created on demand and pushed to the series.data array.
|
point = { series: series };
|
series.pointClass.prototype.applyOptions.apply(point, [options]);
|
x = point.x;
|
|
// Get the insertion point
|
i = xData.length;
|
if (series.requireSorting && x < xData[i - 1]) {
|
isInTheMiddle = true;
|
while (i && xData[i - 1] > x) {
|
i--;
|
}
|
}
|
|
series.updateParallelArrays(point, 'splice', i, 0, 0); // insert undefined item
|
series.updateParallelArrays(point, i); // update it
|
|
if (names) {
|
names[x] = point.name;
|
}
|
dataOptions.splice(i, 0, options);
|
|
if (isInTheMiddle) {
|
series.data.splice(i, 0, null);
|
series.processData();
|
}
|
|
// Generate points to be added to the legend (#1329)
|
if (seriesOptions.legendType === 'point') {
|
series.generatePoints();
|
}
|
|
// Shift the first point off the parallel arrays
|
// todo: consider series.removePoint(i) method
|
if (shift) {
|
if (data[0] && data[0].remove) {
|
data[0].remove(false);
|
} else {
|
data.shift();
|
series.updateParallelArrays(point, 'shift');
|
|
dataOptions.shift();
|
}
|
}
|
|
// redraw
|
series.isDirty = true;
|
series.isDirtyData = true;
|
if (redraw) {
|
series.getAttribs(); // #1937
|
chart.redraw();
|
}
|
},
|
|
/**
|
* Remove a series and optionally redraw the chart
|
*
|
* @param {Boolean} redraw Whether to redraw the chart or wait for an explicit call
|
* @param {Boolean|Object} animation Whether to apply animation, and optionally animation
|
* configuration
|
*/
|
|
remove: function (redraw, animation) {
|
var series = this,
|
chart = series.chart;
|
redraw = pick(redraw, true);
|
|
if (!series.isRemoving) { /* prevent triggering native event in jQuery
|
(calling the remove function from the remove event) */
|
series.isRemoving = true;
|
|
// fire the event with a default handler of removing the point
|
fireEvent(series, 'remove', null, function () {
|
|
|
// destroy elements
|
series.destroy();
|
|
|
// redraw
|
chart.isDirtyLegend = chart.isDirtyBox = true;
|
chart.linkSeries();
|
|
if (redraw) {
|
chart.redraw(animation);
|
}
|
});
|
|
}
|
series.isRemoving = false;
|
},
|
|
/**
|
* Update the series with a new set of options
|
*/
|
update: function (newOptions, redraw) {
|
var series = this,
|
chart = this.chart,
|
// must use user options when changing type because this.options is merged
|
// in with type specific plotOptions
|
oldOptions = this.userOptions,
|
oldType = this.type,
|
proto = seriesTypes[oldType].prototype,
|
preserve = ['group', 'markerGroup', 'dataLabelsGroup'],
|
n;
|
|
// Make sure groups are not destroyed (#3094)
|
each(preserve, function (prop) {
|
preserve[prop] = series[prop];
|
delete series[prop];
|
});
|
|
// Do the merge, with some forced options
|
newOptions = merge(oldOptions, {
|
animation: false,
|
index: this.index,
|
pointStart: this.xData[0] // when updating after addPoint
|
}, { data: this.options.data }, newOptions);
|
|
// Destroy the series and reinsert methods from the type prototype
|
this.remove(false);
|
for (n in proto) { // Overwrite series-type specific methods (#2270)
|
if (proto.hasOwnProperty(n)) {
|
this[n] = UNDEFINED;
|
}
|
}
|
extend(this, seriesTypes[newOptions.type || oldType].prototype);
|
|
// Re-register groups (#3094)
|
each(preserve, function (prop) {
|
series[prop] = preserve[prop];
|
});
|
|
|
this.init(chart, newOptions);
|
chart.linkSeries(); // Links are lost in this.remove (#3028)
|
if (pick(redraw, true)) {
|
chart.redraw(false);
|
}
|
}
|
});
|
|
// Extend the Axis.prototype for dynamic methods
|
extend(Axis.prototype, {
|
|
/**
|
* Update the axis with a new options structure
|
*/
|
update: function (newOptions, redraw) {
|
var chart = this.chart;
|
|
newOptions = chart.options[this.coll][this.options.index] = merge(this.userOptions, newOptions);
|
|
this.destroy(true);
|
this._addedPlotLB = UNDEFINED; // #1611, #2887
|
|
this.init(chart, extend(newOptions, { events: UNDEFINED }));
|
|
chart.isDirtyBox = true;
|
if (pick(redraw, true)) {
|
chart.redraw();
|
}
|
},
|
|
/**
|
* Remove the axis from the chart
|
*/
|
remove: function (redraw) {
|
var chart = this.chart,
|
key = this.coll, // xAxis or yAxis
|
axisSeries = this.series,
|
i = axisSeries.length;
|
|
// Remove associated series (#2687)
|
while (i--) {
|
if (axisSeries[i]) {
|
axisSeries[i].remove(false);
|
}
|
}
|
|
// Remove the axis
|
erase(chart.axes, this);
|
erase(chart[key], this);
|
chart.options[key].splice(this.options.index, 1);
|
each(chart[key], function (axis, i) { // Re-index, #1706
|
axis.options.index = i;
|
});
|
this.destroy();
|
chart.isDirtyBox = true;
|
|
if (pick(redraw, true)) {
|
chart.redraw();
|
}
|
},
|
|
/**
|
* Update the axis title by options
|
*/
|
setTitle: function (newTitleOptions, redraw) {
|
this.update({ title: newTitleOptions }, redraw);
|
},
|
|
/**
|
* Set new axis categories and optionally redraw
|
* @param {Array} categories
|
* @param {Boolean} redraw
|
*/
|
setCategories: function (categories, redraw) {
|
this.update({ categories: categories }, redraw);
|
}
|
|
});
|
|
|
/**
|
* LineSeries object
|
*/
|
var LineSeries = extendClass(Series);
|
seriesTypes.line = LineSeries;
|
|
/**
|
* Set the default options for area
|
*/
|
defaultPlotOptions.area = merge(defaultSeriesOptions, {
|
threshold: 0
|
// trackByArea: false,
|
// lineColor: null, // overrides color, but lets fillColor be unaltered
|
// fillOpacity: 0.75,
|
// fillColor: null
|
});
|
|
/**
|
* AreaSeries object
|
*/
|
var AreaSeries = extendClass(Series, {
|
type: 'area',
|
/**
|
* For stacks, don't split segments on null values. Instead, draw null values with
|
* no marker. Also insert dummy points for any X position that exists in other series
|
* in the stack.
|
*/
|
getSegments: function () {
|
var series = this,
|
segments = [],
|
segment = [],
|
keys = [],
|
xAxis = this.xAxis,
|
yAxis = this.yAxis,
|
stack = yAxis.stacks[this.stackKey],
|
pointMap = {},
|
plotX,
|
plotY,
|
points = this.points,
|
connectNulls = this.options.connectNulls,
|
i,
|
x;
|
|
if (this.options.stacking && !this.cropped) { // cropped causes artefacts in Stock, and perf issue
|
// Create a map where we can quickly look up the points by their X value.
|
for (i = 0; i < points.length; i++) {
|
pointMap[points[i].x] = points[i];
|
}
|
|
// Sort the keys (#1651)
|
for (x in stack) {
|
if (stack[x].total !== null) { // nulled after switching between grouping and not (#1651, #2336)
|
keys.push(+x);
|
}
|
}
|
keys.sort(function (a, b) {
|
return a - b;
|
});
|
|
each(keys, function (x) {
|
var y = 0,
|
stackPoint;
|
|
if (connectNulls && (!pointMap[x] || pointMap[x].y === null)) { // #1836
|
return;
|
|
// The point exists, push it to the segment
|
} else if (pointMap[x]) {
|
segment.push(pointMap[x]);
|
|
// There is no point for this X value in this series, so we
|
// insert a dummy point in order for the areas to be drawn
|
// correctly.
|
} else {
|
|
// Loop down the stack to find the series below this one that has
|
// a value (#1991)
|
for (i = series.index; i <= yAxis.series.length; i++) {
|
stackPoint = stack[x].points[i + ',' + x];
|
if (stackPoint) {
|
y = stackPoint[1];
|
break;
|
}
|
}
|
|
plotX = xAxis.translate(x);
|
plotY = yAxis.toPixels(y, true);
|
segment.push({
|
y: null,
|
plotX: plotX,
|
clientX: plotX,
|
plotY: plotY,
|
yBottom: plotY,
|
onMouseOver: noop
|
});
|
}
|
});
|
|
if (segment.length) {
|
segments.push(segment);
|
}
|
|
} else {
|
Series.prototype.getSegments.call(this);
|
segments = this.segments;
|
}
|
|
this.segments = segments;
|
},
|
|
/**
|
* Extend the base Series getSegmentPath method by adding the path for the area.
|
* This path is pushed to the series.areaPath property.
|
*/
|
getSegmentPath: function (segment) {
|
|
var segmentPath = Series.prototype.getSegmentPath.call(this, segment), // call base method
|
areaSegmentPath = [].concat(segmentPath), // work on a copy for the area path
|
i,
|
options = this.options,
|
segLength = segmentPath.length,
|
translatedThreshold = this.yAxis.getThreshold(options.threshold), // #2181
|
yBottom;
|
|
if (segLength === 3) { // for animation from 1 to two points
|
areaSegmentPath.push(L, segmentPath[1], segmentPath[2]);
|
}
|
if (options.stacking && !this.closedStacks) {
|
|
// Follow stack back. Todo: implement areaspline. A general solution could be to
|
// reverse the entire graphPath of the previous series, though may be hard with
|
// splines and with series with different extremes
|
for (i = segment.length - 1; i >= 0; i--) {
|
|
yBottom = pick(segment[i].yBottom, translatedThreshold);
|
|
// step line?
|
if (i < segment.length - 1 && options.step) {
|
areaSegmentPath.push(segment[i + 1].plotX, yBottom);
|
}
|
|
areaSegmentPath.push(segment[i].plotX, yBottom);
|
}
|
|
} else { // follow zero line back
|
this.closeSegment(areaSegmentPath, segment, translatedThreshold);
|
}
|
this.areaPath = this.areaPath.concat(areaSegmentPath);
|
return segmentPath;
|
},
|
|
/**
|
* Extendable method to close the segment path of an area. This is overridden in polar
|
* charts.
|
*/
|
closeSegment: function (path, segment, translatedThreshold) {
|
path.push(
|
L,
|
segment[segment.length - 1].plotX,
|
translatedThreshold,
|
L,
|
segment[0].plotX,
|
translatedThreshold
|
);
|
},
|
|
/**
|
* Draw the graph and the underlying area. This method calls the Series base
|
* function and adds the area. The areaPath is calculated in the getSegmentPath
|
* method called from Series.prototype.drawGraph.
|
*/
|
drawGraph: function () {
|
|
// Define or reset areaPath
|
this.areaPath = [];
|
|
// Call the base method
|
Series.prototype.drawGraph.apply(this);
|
|
// Define local variables
|
var series = this,
|
areaPath = this.areaPath,
|
options = this.options,
|
negativeColor = options.negativeColor,
|
negativeFillColor = options.negativeFillColor,
|
props = [['area', this.color, options.fillColor]]; // area name, main color, fill color
|
|
if (negativeColor || negativeFillColor) {
|
props.push(['areaNeg', negativeColor, negativeFillColor]);
|
}
|
|
each(props, function (prop) {
|
var areaKey = prop[0],
|
area = series[areaKey];
|
|
// Create or update the area
|
if (area) { // update
|
area.animate({ d: areaPath });
|
|
} else { // create
|
series[areaKey] = series.chart.renderer.path(areaPath)
|
.attr({
|
fill: pick(
|
prop[2],
|
Color(prop[1]).setOpacity(pick(options.fillOpacity, 0.75)).get()
|
),
|
zIndex: 0 // #1069
|
}).add(series.group);
|
}
|
});
|
},
|
|
drawLegendSymbol: LegendSymbolMixin.drawRectangle
|
});
|
|
seriesTypes.area = AreaSeries;
|
/**
|
* Set the default options for spline
|
*/
|
defaultPlotOptions.spline = merge(defaultSeriesOptions);
|
|
/**
|
* SplineSeries object
|
*/
|
var SplineSeries = extendClass(Series, {
|
type: 'spline',
|
|
/**
|
* Get the spline segment from a given point's previous neighbour to the given point
|
*/
|
getPointSpline: function (segment, point, i) {
|
var smoothing = 1.5, // 1 means control points midway between points, 2 means 1/3 from the point, 3 is 1/4 etc
|
denom = smoothing + 1,
|
plotX = point.plotX,
|
plotY = point.plotY,
|
lastPoint = segment[i - 1],
|
nextPoint = segment[i + 1],
|
leftContX,
|
leftContY,
|
rightContX,
|
rightContY,
|
ret;
|
|
// find control points
|
if (lastPoint && nextPoint) {
|
|
var lastX = lastPoint.plotX,
|
lastY = lastPoint.plotY,
|
nextX = nextPoint.plotX,
|
nextY = nextPoint.plotY,
|
correction;
|
|
leftContX = (smoothing * plotX + lastX) / denom;
|
leftContY = (smoothing * plotY + lastY) / denom;
|
rightContX = (smoothing * plotX + nextX) / denom;
|
rightContY = (smoothing * plotY + nextY) / denom;
|
|
// have the two control points make a straight line through main point
|
correction = ((rightContY - leftContY) * (rightContX - plotX)) /
|
(rightContX - leftContX) + plotY - rightContY;
|
|
leftContY += correction;
|
rightContY += correction;
|
|
// to prevent false extremes, check that control points are between
|
// neighbouring points' y values
|
if (leftContY > lastY && leftContY > plotY) {
|
leftContY = mathMax(lastY, plotY);
|
rightContY = 2 * plotY - leftContY; // mirror of left control point
|
} else if (leftContY < lastY && leftContY < plotY) {
|
leftContY = mathMin(lastY, plotY);
|
rightContY = 2 * plotY - leftContY;
|
}
|
if (rightContY > nextY && rightContY > plotY) {
|
rightContY = mathMax(nextY, plotY);
|
leftContY = 2 * plotY - rightContY;
|
} else if (rightContY < nextY && rightContY < plotY) {
|
rightContY = mathMin(nextY, plotY);
|
leftContY = 2 * plotY - rightContY;
|
}
|
|
// record for drawing in next point
|
point.rightContX = rightContX;
|
point.rightContY = rightContY;
|
|
}
|
|
// Visualize control points for debugging
|
/*
|
if (leftContX) {
|
this.chart.renderer.circle(leftContX + this.chart.plotLeft, leftContY + this.chart.plotTop, 2)
|
.attr({
|
stroke: 'red',
|
'stroke-width': 1,
|
fill: 'none'
|
})
|
.add();
|
this.chart.renderer.path(['M', leftContX + this.chart.plotLeft, leftContY + this.chart.plotTop,
|
'L', plotX + this.chart.plotLeft, plotY + this.chart.plotTop])
|
.attr({
|
stroke: 'red',
|
'stroke-width': 1
|
})
|
.add();
|
this.chart.renderer.circle(rightContX + this.chart.plotLeft, rightContY + this.chart.plotTop, 2)
|
.attr({
|
stroke: 'green',
|
'stroke-width': 1,
|
fill: 'none'
|
})
|
.add();
|
this.chart.renderer.path(['M', rightContX + this.chart.plotLeft, rightContY + this.chart.plotTop,
|
'L', plotX + this.chart.plotLeft, plotY + this.chart.plotTop])
|
.attr({
|
stroke: 'green',
|
'stroke-width': 1
|
})
|
.add();
|
}
|
*/
|
|
// moveTo or lineTo
|
if (!i) {
|
ret = [M, plotX, plotY];
|
} else { // curve from last point to this
|
ret = [
|
'C',
|
lastPoint.rightContX || lastPoint.plotX,
|
lastPoint.rightContY || lastPoint.plotY,
|
leftContX || plotX,
|
leftContY || plotY,
|
plotX,
|
plotY
|
];
|
lastPoint.rightContX = lastPoint.rightContY = null; // reset for updating series later
|
}
|
return ret;
|
}
|
});
|
seriesTypes.spline = SplineSeries;
|
|
/**
|
* Set the default options for areaspline
|
*/
|
defaultPlotOptions.areaspline = merge(defaultPlotOptions.area);
|
|
/**
|
* AreaSplineSeries object
|
*/
|
var areaProto = AreaSeries.prototype,
|
AreaSplineSeries = extendClass(SplineSeries, {
|
type: 'areaspline',
|
closedStacks: true, // instead of following the previous graph back, follow the threshold back
|
|
// Mix in methods from the area series
|
getSegmentPath: areaProto.getSegmentPath,
|
closeSegment: areaProto.closeSegment,
|
drawGraph: areaProto.drawGraph,
|
drawLegendSymbol: LegendSymbolMixin.drawRectangle
|
});
|
|
seriesTypes.areaspline = AreaSplineSeries;
|
|
/**
|
* Set the default options for column
|
*/
|
defaultPlotOptions.column = merge(defaultSeriesOptions, {
|
borderColor: '#FFFFFF',
|
//borderWidth: 1,
|
borderRadius: 0,
|
//colorByPoint: undefined,
|
groupPadding: 0.2,
|
//grouping: true,
|
marker: null, // point options are specified in the base options
|
pointPadding: 0.1,
|
//pointWidth: null,
|
minPointLength: 0,
|
cropThreshold: 50, // when there are more points, they will not animate out of the chart on xAxis.setExtremes
|
pointRange: null, // null means auto, meaning 1 in a categorized axis and least distance between points if not categories
|
states: {
|
hover: {
|
brightness: 0.1,
|
shadow: false,
|
halo: false
|
},
|
select: {
|
color: '#C0C0C0',
|
borderColor: '#000000',
|
shadow: false
|
}
|
},
|
dataLabels: {
|
align: null, // auto
|
verticalAlign: null, // auto
|
y: null
|
},
|
stickyTracking: false,
|
tooltip: {
|
distance: 6
|
},
|
threshold: 0
|
});
|
|
/**
|
* ColumnSeries object
|
*/
|
var ColumnSeries = extendClass(Series, {
|
type: 'column',
|
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
|
stroke: 'borderColor',
|
fill: 'color',
|
r: 'borderRadius'
|
},
|
cropShoulder: 0,
|
trackerGroups: ['group', 'dataLabelsGroup'],
|
negStacks: true, // use separate negative stacks, unlike area stacks where a negative
|
// point is substracted from previous (#1910)
|
|
/**
|
* Initialize the series
|
*/
|
init: function () {
|
Series.prototype.init.apply(this, arguments);
|
|
var series = this,
|
chart = series.chart;
|
|
// if the series is added dynamically, force redraw of other
|
// series affected by a new column
|
if (chart.hasRendered) {
|
each(chart.series, function (otherSeries) {
|
if (otherSeries.type === series.type) {
|
otherSeries.isDirty = true;
|
}
|
});
|
}
|
},
|
|
/**
|
* Return the width and x offset of the columns adjusted for grouping, groupPadding, pointPadding,
|
* pointWidth etc.
|
*/
|
getColumnMetrics: function () {
|
|
var series = this,
|
options = series.options,
|
xAxis = series.xAxis,
|
yAxis = series.yAxis,
|
reversedXAxis = xAxis.reversed,
|
stackKey,
|
stackGroups = {},
|
columnIndex,
|
columnCount = 0;
|
|
// Get the total number of column type series.
|
// This is called on every series. Consider moving this logic to a
|
// chart.orderStacks() function and call it on init, addSeries and removeSeries
|
if (options.grouping === false) {
|
columnCount = 1;
|
} else {
|
each(series.chart.series, function (otherSeries) {
|
var otherOptions = otherSeries.options,
|
otherYAxis = otherSeries.yAxis;
|
if (otherSeries.type === series.type && otherSeries.visible &&
|
yAxis.len === otherYAxis.len && yAxis.pos === otherYAxis.pos) { // #642, #2086
|
if (otherOptions.stacking) {
|
stackKey = otherSeries.stackKey;
|
if (stackGroups[stackKey] === UNDEFINED) {
|
stackGroups[stackKey] = columnCount++;
|
}
|
columnIndex = stackGroups[stackKey];
|
} else if (otherOptions.grouping !== false) { // #1162
|
columnIndex = columnCount++;
|
}
|
otherSeries.columnIndex = columnIndex;
|
}
|
});
|
}
|
|
var categoryWidth = mathMin(
|
mathAbs(xAxis.transA) * (xAxis.ordinalSlope || options.pointRange || xAxis.closestPointRange || xAxis.tickInterval || 1), // #2610
|
xAxis.len // #1535
|
),
|
groupPadding = categoryWidth * options.groupPadding,
|
groupWidth = categoryWidth - 2 * groupPadding,
|
pointOffsetWidth = groupWidth / columnCount,
|
optionPointWidth = options.pointWidth,
|
pointPadding = defined(optionPointWidth) ? (pointOffsetWidth - optionPointWidth) / 2 :
|
pointOffsetWidth * options.pointPadding,
|
pointWidth = pick(optionPointWidth, pointOffsetWidth - 2 * pointPadding), // exact point width, used in polar charts
|
colIndex = (reversedXAxis ?
|
columnCount - (series.columnIndex || 0) : // #1251
|
series.columnIndex) || 0,
|
pointXOffset = pointPadding + (groupPadding + colIndex *
|
pointOffsetWidth - (categoryWidth / 2)) *
|
(reversedXAxis ? -1 : 1);
|
|
// Save it for reading in linked series (Error bars particularly)
|
return (series.columnMetrics = {
|
width: pointWidth,
|
offset: pointXOffset
|
});
|
|
},
|
|
/**
|
* Translate each point to the plot area coordinate system and find shape positions
|
*/
|
translate: function () {
|
var series = this,
|
chart = series.chart,
|
options = series.options,
|
borderWidth = series.borderWidth = pick(
|
options.borderWidth,
|
series.activePointCount > 0.5 * series.xAxis.len ? 0 : 1
|
),
|
yAxis = series.yAxis,
|
threshold = options.threshold,
|
translatedThreshold = series.translatedThreshold = yAxis.getThreshold(threshold),
|
minPointLength = pick(options.minPointLength, 5),
|
metrics = series.getColumnMetrics(),
|
pointWidth = metrics.width,
|
seriesBarW = series.barW = mathMax(pointWidth, 1 + 2 * borderWidth), // postprocessed for border width
|
pointXOffset = series.pointXOffset = metrics.offset,
|
xCrisp = -(borderWidth % 2 ? 0.5 : 0),
|
yCrisp = borderWidth % 2 ? 0.5 : 1;
|
|
if (chart.renderer.isVML && chart.inverted) {
|
yCrisp += 1;
|
}
|
|
// When the pointPadding is 0, we want the columns to be packed tightly, so we allow individual
|
// columns to have individual sizes. When pointPadding is greater, we strive for equal-width
|
// columns (#2694).
|
if (options.pointPadding) {
|
seriesBarW = mathCeil(seriesBarW);
|
}
|
|
Series.prototype.translate.apply(series);
|
|
// Record the new values
|
each(series.points, function (point) {
|
var yBottom = pick(point.yBottom, translatedThreshold),
|
plotY = mathMin(mathMax(-999 - yBottom, point.plotY), yAxis.len + 999 + yBottom), // Don't draw too far outside plot area (#1303, #2241)
|
barX = point.plotX + pointXOffset,
|
barW = seriesBarW,
|
barY = mathMin(plotY, yBottom),
|
right,
|
bottom,
|
fromTop,
|
barH = mathMax(plotY, yBottom) - barY;
|
|
// Handle options.minPointLength
|
if (mathAbs(barH) < minPointLength) {
|
if (minPointLength) {
|
barH = minPointLength;
|
barY =
|
mathRound(mathAbs(barY - translatedThreshold) > minPointLength ? // stacked
|
yBottom - minPointLength : // keep position
|
translatedThreshold - (yAxis.translate(point.y, 0, 1, 0, 1) <= translatedThreshold ? minPointLength : 0)); // use exact yAxis.translation (#1485)
|
}
|
}
|
|
// Cache for access in polar
|
point.barX = barX;
|
point.pointWidth = pointWidth;
|
|
// Fix the tooltip on center of grouped columns (#1216)
|
point.tooltipPos = chart.inverted ? [yAxis.len - plotY, series.xAxis.len - barX - barW / 2] : [barX + barW / 2, plotY];
|
|
// Round off to obtain crisp edges and avoid overlapping with neighbours (#2694)
|
right = mathRound(barX + barW) + xCrisp;
|
barX = mathRound(barX) + xCrisp;
|
barW = right - barX;
|
|
fromTop = mathAbs(barY) < 0.5;
|
bottom = mathRound(barY + barH) + yCrisp;
|
barY = mathRound(barY) + yCrisp;
|
barH = bottom - barY;
|
|
// Top edges are exceptions
|
if (fromTop) {
|
barY -= 1;
|
barH += 1;
|
}
|
|
// Register shape type and arguments to be used in drawPoints
|
point.shapeType = 'rect';
|
point.shapeArgs = {
|
x: barX,
|
y: barY,
|
width: barW,
|
height: barH
|
};
|
|
});
|
|
},
|
|
getSymbol: noop,
|
|
/**
|
* Use a solid rectangle like the area series types
|
*/
|
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
|
|
|
/**
|
* Columns have no graph
|
*/
|
drawGraph: noop,
|
|
/**
|
* Draw the columns. For bars, the series.group is rotated, so the same coordinates
|
* apply for columns and bars. This method is inherited by scatter series.
|
*
|
*/
|
drawPoints: function () {
|
var series = this,
|
chart = this.chart,
|
options = series.options,
|
renderer = chart.renderer,
|
animationLimit = options.animationLimit || 250,
|
shapeArgs,
|
pointAttr;
|
|
// draw the columns
|
each(series.points, function (point) {
|
var plotY = point.plotY,
|
graphic = point.graphic,
|
borderAttr;
|
|
if (plotY !== UNDEFINED && !isNaN(plotY) && point.y !== null) {
|
shapeArgs = point.shapeArgs;
|
|
borderAttr = defined(series.borderWidth) ? {
|
'stroke-width': series.borderWidth
|
} : {};
|
|
pointAttr = point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE] || series.pointAttr[NORMAL_STATE];
|
|
if (graphic) { // update
|
stop(graphic);
|
graphic.attr(borderAttr)[chart.pointCount < animationLimit ? 'animate' : 'attr'](merge(shapeArgs));
|
|
} else {
|
point.graphic = graphic = renderer[point.shapeType](shapeArgs)
|
.attr(pointAttr)
|
.attr(borderAttr)
|
.add(series.group)
|
.shadow(options.shadow, null, options.stacking && !options.borderRadius);
|
}
|
|
} else if (graphic) {
|
point.graphic = graphic.destroy(); // #1269
|
}
|
});
|
},
|
|
/**
|
* Animate the column heights one by one from zero
|
* @param {Boolean} init Whether to initialize the animation or run it
|
*/
|
animate: function (init) {
|
var series = this,
|
yAxis = this.yAxis,
|
options = series.options,
|
inverted = this.chart.inverted,
|
attr = {},
|
translatedThreshold;
|
|
if (hasSVG) { // VML is too slow anyway
|
if (init) {
|
attr.scaleY = 0.001;
|
translatedThreshold = mathMin(yAxis.pos + yAxis.len, mathMax(yAxis.pos, yAxis.toPixels(options.threshold)));
|
if (inverted) {
|
attr.translateX = translatedThreshold - yAxis.len;
|
} else {
|
attr.translateY = translatedThreshold;
|
}
|
series.group.attr(attr);
|
|
} else { // run the animation
|
|
attr.scaleY = 1;
|
attr[inverted ? 'translateX' : 'translateY'] = yAxis.pos;
|
series.group.animate(attr, series.options.animation);
|
|
// delete this function to allow it only once
|
series.animate = null;
|
}
|
}
|
},
|
|
/**
|
* Remove this series from the chart
|
*/
|
remove: function () {
|
var series = this,
|
chart = series.chart;
|
|
// column and bar series affects other series of the same type
|
// as they are either stacked or grouped
|
if (chart.hasRendered) {
|
each(chart.series, function (otherSeries) {
|
if (otherSeries.type === series.type) {
|
otherSeries.isDirty = true;
|
}
|
});
|
}
|
|
Series.prototype.remove.apply(series, arguments);
|
}
|
});
|
seriesTypes.column = ColumnSeries;
|
/**
|
* Set the default options for bar
|
*/
|
defaultPlotOptions.bar = merge(defaultPlotOptions.column);
|
/**
|
* The Bar series class
|
*/
|
var BarSeries = extendClass(ColumnSeries, {
|
type: 'bar',
|
inverted: true
|
});
|
seriesTypes.bar = BarSeries;
|
|
/**
|
* Set the default options for scatter
|
*/
|
defaultPlotOptions.scatter = merge(defaultSeriesOptions, {
|
lineWidth: 0,
|
tooltip: {
|
headerFormat: '<span style="color:{series.color}">\u25CF</span> <span style="font-size: 10px;"> {series.name}</span><br/>',
|
pointFormat: 'x: <b>{point.x}</b><br/>y: <b>{point.y}</b><br/>'
|
},
|
stickyTracking: false
|
});
|
|
/**
|
* The scatter series class
|
*/
|
var ScatterSeries = extendClass(Series, {
|
type: 'scatter',
|
sorted: false,
|
requireSorting: false,
|
noSharedTooltip: true,
|
trackerGroups: ['markerGroup', 'dataLabelsGroup'],
|
takeOrdinalPosition: false, // #2342
|
singularTooltips: true,
|
drawGraph: function () {
|
if (this.options.lineWidth) {
|
Series.prototype.drawGraph.call(this);
|
}
|
}
|
});
|
|
seriesTypes.scatter = ScatterSeries;
|
|
/**
|
* Set the default options for pie
|
*/
|
defaultPlotOptions.pie = merge(defaultSeriesOptions, {
|
borderColor: '#FFFFFF',
|
borderWidth: 1,
|
center: [null, null],
|
clip: false,
|
colorByPoint: true, // always true for pies
|
dataLabels: {
|
// align: null,
|
// connectorWidth: 1,
|
// connectorColor: point.color,
|
// connectorPadding: 5,
|
distance: 30,
|
enabled: true,
|
formatter: function () { // #2945
|
return this.point.name;
|
}
|
// softConnector: true,
|
//y: 0
|
},
|
ignoreHiddenPoint: true,
|
//innerSize: 0,
|
legendType: 'point',
|
marker: null, // point options are specified in the base options
|
size: null,
|
showInLegend: false,
|
slicedOffset: 10,
|
states: {
|
hover: {
|
brightness: 0.1,
|
shadow: false
|
}
|
},
|
stickyTracking: false,
|
tooltip: {
|
followPointer: true
|
}
|
});
|
|
/**
|
* Extended point object for pies
|
*/
|
var PiePoint = extendClass(Point, {
|
/**
|
* Initiate the pie slice
|
*/
|
init: function () {
|
|
Point.prototype.init.apply(this, arguments);
|
|
var point = this,
|
toggleSlice;
|
|
// Disallow negative values (#1530)
|
if (point.y < 0) {
|
point.y = null;
|
}
|
|
//visible: options.visible !== false,
|
extend(point, {
|
visible: point.visible !== false,
|
name: pick(point.name, 'Slice')
|
});
|
|
// add event listener for select
|
toggleSlice = function (e) {
|
point.slice(e.type === 'select');
|
};
|
addEvent(point, 'select', toggleSlice);
|
addEvent(point, 'unselect', toggleSlice);
|
|
return point;
|
},
|
|
/**
|
* Toggle the visibility of the pie slice
|
* @param {Boolean} vis Whether to show the slice or not. If undefined, the
|
* visibility is toggled
|
*/
|
setVisible: function (vis) {
|
var point = this,
|
series = point.series,
|
chart = series.chart;
|
|
// if called without an argument, toggle visibility
|
point.visible = point.options.visible = vis = vis === UNDEFINED ? !point.visible : vis;
|
series.options.data[inArray(point, series.data)] = point.options; // update userOptions.data
|
|
// Show and hide associated elements
|
each(['graphic', 'dataLabel', 'connector', 'shadowGroup'], function (key) {
|
if (point[key]) {
|
point[key][vis ? 'show' : 'hide'](true);
|
}
|
});
|
|
if (point.legendItem) {
|
chart.legend.colorizeItem(point, vis);
|
}
|
|
// Handle ignore hidden slices
|
if (!series.isDirty && series.options.ignoreHiddenPoint) {
|
series.isDirty = true;
|
chart.redraw();
|
}
|
},
|
|
/**
|
* Set or toggle whether the slice is cut out from the pie
|
* @param {Boolean} sliced When undefined, the slice state is toggled
|
* @param {Boolean} redraw Whether to redraw the chart. True by default.
|
*/
|
slice: function (sliced, redraw, animation) {
|
var point = this,
|
series = point.series,
|
chart = series.chart,
|
translation;
|
|
setAnimation(animation, chart);
|
|
// redraw is true by default
|
redraw = pick(redraw, true);
|
|
// if called without an argument, toggle
|
point.sliced = point.options.sliced = sliced = defined(sliced) ? sliced : !point.sliced;
|
series.options.data[inArray(point, series.data)] = point.options; // update userOptions.data
|
|
translation = sliced ? point.slicedTranslation : {
|
translateX: 0,
|
translateY: 0
|
};
|
|
point.graphic.animate(translation);
|
|
if (point.shadowGroup) {
|
point.shadowGroup.animate(translation);
|
}
|
|
},
|
|
haloPath: function (size) {
|
var shapeArgs = this.shapeArgs,
|
chart = this.series.chart;
|
|
return this.sliced || !this.visible ? [] : this.series.chart.renderer.symbols.arc(chart.plotLeft + shapeArgs.x, chart.plotTop + shapeArgs.y, shapeArgs.r + size, shapeArgs.r + size, {
|
innerR: this.shapeArgs.r,
|
start: shapeArgs.start,
|
end: shapeArgs.end
|
});
|
}
|
});
|
|
/**
|
* The Pie series class
|
*/
|
var PieSeries = {
|
type: 'pie',
|
isCartesian: false,
|
pointClass: PiePoint,
|
requireSorting: false,
|
noSharedTooltip: true,
|
trackerGroups: ['group', 'dataLabelsGroup'],
|
axisTypes: [],
|
pointAttrToOptions: { // mapping between SVG attributes and the corresponding options
|
stroke: 'borderColor',
|
'stroke-width': 'borderWidth',
|
fill: 'color'
|
},
|
singularTooltips: true,
|
|
/**
|
* Pies have one color each point
|
*/
|
getColor: noop,
|
|
/**
|
* Animate the pies in
|
*/
|
animate: function (init) {
|
var series = this,
|
points = series.points,
|
startAngleRad = series.startAngleRad;
|
|
if (!init) {
|
each(points, function (point) {
|
var graphic = point.graphic,
|
args = point.shapeArgs;
|
|
if (graphic) {
|
// start values
|
graphic.attr({
|
r: series.center[3] / 2, // animate from inner radius (#779)
|
start: startAngleRad,
|
end: startAngleRad
|
});
|
|
// animate
|
graphic.animate({
|
r: args.r,
|
start: args.start,
|
end: args.end
|
}, series.options.animation);
|
}
|
});
|
|
// delete this function to allow it only once
|
series.animate = null;
|
}
|
},
|
|
/**
|
* Extend the basic setData method by running processData and generatePoints immediately,
|
* in order to access the points from the legend.
|
*/
|
setData: function (data, redraw, animation, updatePoints) {
|
Series.prototype.setData.call(this, data, false, animation, updatePoints);
|
this.processData();
|
this.generatePoints();
|
if (pick(redraw, true)) {
|
this.chart.redraw(animation);
|
}
|
},
|
|
/**
|
* Extend the generatePoints method by adding total and percentage properties to each point
|
*/
|
generatePoints: function () {
|
var i,
|
total = 0,
|
points,
|
len,
|
point,
|
ignoreHiddenPoint = this.options.ignoreHiddenPoint;
|
|
Series.prototype.generatePoints.call(this);
|
|
// Populate local vars
|
points = this.points;
|
len = points.length;
|
|
// Get the total sum
|
for (i = 0; i < len; i++) {
|
point = points[i];
|
total += (ignoreHiddenPoint && !point.visible) ? 0 : point.y;
|
}
|
this.total = total;
|
|
// Set each point's properties
|
for (i = 0; i < len; i++) {
|
point = points[i];
|
point.percentage = total > 0 ? (point.y / total) * 100 : 0;
|
point.total = total;
|
}
|
|
},
|
|
/**
|
* Do translation for pie slices
|
*/
|
translate: function (positions) {
|
this.generatePoints();
|
|
var series = this,
|
cumulative = 0,
|
precision = 1000, // issue #172
|
options = series.options,
|
slicedOffset = options.slicedOffset,
|
connectorOffset = slicedOffset + options.borderWidth,
|
start,
|
end,
|
angle,
|
startAngle = options.startAngle || 0,
|
startAngleRad = series.startAngleRad = mathPI / 180 * (startAngle - 90),
|
endAngleRad = series.endAngleRad = mathPI / 180 * ((pick(options.endAngle, startAngle + 360)) - 90),
|
circ = endAngleRad - startAngleRad, //2 * mathPI,
|
points = series.points,
|
radiusX, // the x component of the radius vector for a given point
|
radiusY,
|
labelDistance = options.dataLabels.distance,
|
ignoreHiddenPoint = options.ignoreHiddenPoint,
|
i,
|
len = points.length,
|
point;
|
|
// Get positions - either an integer or a percentage string must be given.
|
// If positions are passed as a parameter, we're in a recursive loop for adjusting
|
// space for data labels.
|
if (!positions) {
|
series.center = positions = series.getCenter();
|
}
|
|
// utility for getting the x value from a given y, used for anticollision logic in data labels
|
series.getX = function (y, left) {
|
|
angle = math.asin(mathMin((y - positions[1]) / (positions[2] / 2 + labelDistance), 1));
|
|
return positions[0] +
|
(left ? -1 : 1) *
|
(mathCos(angle) * (positions[2] / 2 + labelDistance));
|
};
|
|
// Calculate the geometry for each point
|
for (i = 0; i < len; i++) {
|
|
point = points[i];
|
|
// set start and end angle
|
start = startAngleRad + (cumulative * circ);
|
if (!ignoreHiddenPoint || point.visible) {
|
cumulative += point.percentage / 100;
|
}
|
end = startAngleRad + (cumulative * circ);
|
|
// set the shape
|
point.shapeType = 'arc';
|
point.shapeArgs = {
|
x: positions[0],
|
y: positions[1],
|
r: positions[2] / 2,
|
innerR: positions[3] / 2,
|
start: mathRound(start * precision) / precision,
|
end: mathRound(end * precision) / precision
|
};
|
|
// The angle must stay within -90 and 270 (#2645)
|
angle = (end + start) / 2;
|
if (angle > 1.5 * mathPI) {
|
angle -= 2 * mathPI;
|
} else if (angle < -mathPI / 2) {
|
angle += 2 * mathPI;
|
}
|
|
// Center for the sliced out slice
|
point.slicedTranslation = {
|
translateX: mathRound(mathCos(angle) * slicedOffset),
|
translateY: mathRound(mathSin(angle) * slicedOffset)
|
};
|
|
// set the anchor point for tooltips
|
radiusX = mathCos(angle) * positions[2] / 2;
|
radiusY = mathSin(angle) * positions[2] / 2;
|
point.tooltipPos = [
|
positions[0] + radiusX * 0.7,
|
positions[1] + radiusY * 0.7
|
];
|
|
point.half = angle < -mathPI / 2 || angle > mathPI / 2 ? 1 : 0;
|
point.angle = angle;
|
|
// set the anchor point for data labels
|
connectorOffset = mathMin(connectorOffset, labelDistance / 2); // #1678
|
point.labelPos = [
|
positions[0] + radiusX + mathCos(angle) * labelDistance, // first break of connector
|
positions[1] + radiusY + mathSin(angle) * labelDistance, // a/a
|
positions[0] + radiusX + mathCos(angle) * connectorOffset, // second break, right outside pie
|
positions[1] + radiusY + mathSin(angle) * connectorOffset, // a/a
|
positions[0] + radiusX, // landing point for connector
|
positions[1] + radiusY, // a/a
|
labelDistance < 0 ? // alignment
|
'center' :
|
point.half ? 'right' : 'left', // alignment
|
angle // center angle
|
];
|
|
}
|
},
|
|
drawGraph: null,
|
|
/**
|
* Draw the data points
|
*/
|
drawPoints: function () {
|
var series = this,
|
chart = series.chart,
|
renderer = chart.renderer,
|
groupTranslation,
|
//center,
|
graphic,
|
//group,
|
shadow = series.options.shadow,
|
shadowGroup,
|
shapeArgs;
|
|
if (shadow && !series.shadowGroup) {
|
series.shadowGroup = renderer.g('shadow')
|
.add(series.group);
|
}
|
|
// draw the slices
|
each(series.points, function (point) {
|
graphic = point.graphic;
|
shapeArgs = point.shapeArgs;
|
shadowGroup = point.shadowGroup;
|
|
// put the shadow behind all points
|
if (shadow && !shadowGroup) {
|
shadowGroup = point.shadowGroup = renderer.g('shadow')
|
.add(series.shadowGroup);
|
}
|
|
// if the point is sliced, use special translation, else use plot area traslation
|
groupTranslation = point.sliced ? point.slicedTranslation : {
|
translateX: 0,
|
translateY: 0
|
};
|
|
//group.translate(groupTranslation[0], groupTranslation[1]);
|
if (shadowGroup) {
|
shadowGroup.attr(groupTranslation);
|
}
|
|
// draw the slice
|
if (graphic) {
|
graphic.animate(extend(shapeArgs, groupTranslation));
|
} else {
|
point.graphic = graphic = renderer[point.shapeType](shapeArgs)
|
.setRadialReference(series.center)
|
.attr(
|
point.pointAttr[point.selected ? SELECT_STATE : NORMAL_STATE]
|
)
|
.attr({
|
'stroke-linejoin': 'round'
|
//zIndex: 1 // #2722 (reversed)
|
})
|
.attr(groupTranslation)
|
.add(series.group)
|
.shadow(shadow, shadowGroup);
|
}
|
|
// detect point specific visibility (#2430)
|
if (point.visible !== undefined) {
|
point.setVisible(point.visible);
|
}
|
|
});
|
|
},
|
|
/**
|
* Utility for sorting data labels
|
*/
|
sortByAngle: function (points, sign) {
|
points.sort(function (a, b) {
|
return a.angle !== undefined && (b.angle - a.angle) * sign;
|
});
|
},
|
|
/**
|
* Use a simple symbol from LegendSymbolMixin
|
*/
|
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
|
|
/**
|
* Use the getCenter method from drawLegendSymbol
|
*/
|
getCenter: CenteredSeriesMixin.getCenter,
|
|
/**
|
* Pies don't have point marker symbols
|
*/
|
getSymbol: noop
|
|
};
|
PieSeries = extendClass(Series, PieSeries);
|
seriesTypes.pie = PieSeries;
|
|
/**
|
* Draw the data labels
|
*/
|
Series.prototype.drawDataLabels = function () {
|
|
var series = this,
|
seriesOptions = series.options,
|
cursor = seriesOptions.cursor,
|
options = seriesOptions.dataLabels,
|
points = series.points,
|
pointOptions,
|
generalOptions,
|
str,
|
dataLabelsGroup;
|
|
if (options.enabled || series._hasPointLabels) {
|
|
// Process default alignment of data labels for columns
|
if (series.dlProcessOptions) {
|
series.dlProcessOptions(options);
|
}
|
|
// Create a separate group for the data labels to avoid rotation
|
dataLabelsGroup = series.plotGroup(
|
'dataLabelsGroup',
|
'data-labels',
|
options.defer ? HIDDEN : VISIBLE,
|
options.zIndex || 6
|
);
|
|
if (!series.hasRendered && pick(options.defer, true)) {
|
dataLabelsGroup.attr({ opacity: 0 });
|
addEvent(series, 'afterAnimate', function () {
|
if (series.visible) { // #3023, #3024
|
dataLabelsGroup.show();
|
}
|
dataLabelsGroup[seriesOptions.animation ? 'animate' : 'attr']({ opacity: 1 }, { duration: 200 });
|
});
|
}
|
|
// Make the labels for each point
|
generalOptions = options;
|
each(points, function (point) {
|
|
var enabled,
|
dataLabel = point.dataLabel,
|
labelConfig,
|
attr,
|
name,
|
rotation,
|
connector = point.connector,
|
isNew = true;
|
|
// Determine if each data label is enabled
|
pointOptions = point.options && point.options.dataLabels;
|
enabled = pick(pointOptions && pointOptions.enabled, generalOptions.enabled); // #2282
|
|
|
// If the point is outside the plot area, destroy it. #678, #820
|
if (dataLabel && !enabled) {
|
point.dataLabel = dataLabel.destroy();
|
|
// Individual labels are disabled if the are explicitly disabled
|
// in the point options, or if they fall outside the plot area.
|
} else if (enabled) {
|
|
// Create individual options structure that can be extended without
|
// affecting others
|
options = merge(generalOptions, pointOptions);
|
|
rotation = options.rotation;
|
|
// Get the string
|
labelConfig = point.getLabelConfig();
|
str = options.format ?
|
format(options.format, labelConfig) :
|
options.formatter.call(labelConfig, options);
|
|
// Determine the color
|
options.style.color = pick(options.color, options.style.color, series.color, 'black');
|
|
|
// update existing label
|
if (dataLabel) {
|
|
if (defined(str)) {
|
dataLabel
|
.attr({
|
text: str
|
});
|
isNew = false;
|
|
} else { // #1437 - the label is shown conditionally
|
point.dataLabel = dataLabel = dataLabel.destroy();
|
if (connector) {
|
point.connector = connector.destroy();
|
}
|
}
|
|
// create new label
|
} else if (defined(str)) {
|
attr = {
|
//align: align,
|
fill: options.backgroundColor,
|
stroke: options.borderColor,
|
'stroke-width': options.borderWidth,
|
r: options.borderRadius || 0,
|
rotation: rotation,
|
padding: options.padding,
|
zIndex: 1
|
};
|
// Remove unused attributes (#947)
|
for (name in attr) {
|
if (attr[name] === UNDEFINED) {
|
delete attr[name];
|
}
|
}
|
|
dataLabel = point.dataLabel = series.chart.renderer[rotation ? 'text' : 'label']( // labels don't support rotation
|
str,
|
0,
|
-999,
|
null,
|
null,
|
null,
|
options.useHTML
|
)
|
.attr(attr)
|
.css(extend(options.style, cursor && { cursor: cursor }))
|
.add(dataLabelsGroup)
|
.shadow(options.shadow);
|
|
}
|
|
if (dataLabel) {
|
// Now the data label is created and placed at 0,0, so we need to align it
|
series.alignDataLabel(point, dataLabel, options, null, isNew);
|
}
|
}
|
});
|
}
|
};
|
|
/**
|
* Align each individual data label
|
*/
|
Series.prototype.alignDataLabel = function (point, dataLabel, options, alignTo, isNew) {
|
var chart = this.chart,
|
inverted = chart.inverted,
|
plotX = pick(point.plotX, -999),
|
plotY = pick(point.plotY, -999),
|
bBox = dataLabel.getBBox(),
|
// Math.round for rounding errors (#2683), alignTo to allow column labels (#2700)
|
visible = this.visible && (point.series.forceDL || chart.isInsidePlot(plotX, mathRound(plotY), inverted) ||
|
(alignTo && chart.isInsidePlot(plotX, inverted ? alignTo.x + 1 : alignTo.y + alignTo.height - 1, inverted))),
|
alignAttr; // the final position;
|
|
if (visible) {
|
|
// The alignment box is a singular point
|
alignTo = extend({
|
x: inverted ? chart.plotWidth - plotY : plotX,
|
y: mathRound(inverted ? chart.plotHeight - plotX : plotY),
|
width: 0,
|
height: 0
|
}, alignTo);
|
|
// Add the text size for alignment calculation
|
extend(options, {
|
width: bBox.width,
|
height: bBox.height
|
});
|
|
// Allow a hook for changing alignment in the last moment, then do the alignment
|
if (options.rotation) { // Fancy box alignment isn't supported for rotated text
|
dataLabel[isNew ? 'attr' : 'animate']({
|
x: alignTo.x + options.x + alignTo.width / 2,
|
y: alignTo.y + options.y + alignTo.height / 2
|
})
|
.attr({ // #3003
|
align: options.align
|
});
|
} else {
|
dataLabel.align(options, null, alignTo);
|
alignAttr = dataLabel.alignAttr;
|
|
// Handle justify or crop
|
if (pick(options.overflow, 'justify') === 'justify') {
|
this.justifyDataLabel(dataLabel, options, alignAttr, bBox, alignTo, isNew);
|
|
} else if (pick(options.crop, true)) {
|
// Now check that the data label is within the plot area
|
visible = chart.isInsidePlot(alignAttr.x, alignAttr.y) && chart.isInsidePlot(alignAttr.x + bBox.width, alignAttr.y + bBox.height);
|
|
}
|
}
|
}
|
|
// Show or hide based on the final aligned position
|
if (!visible) {
|
dataLabel.attr({ y: -999 });
|
dataLabel.placed = false; // don't animate back in
|
}
|
|
};
|
|
/**
|
* If data labels fall partly outside the plot area, align them back in, in a way that
|
* doesn't hide the point.
|
*/
|
Series.prototype.justifyDataLabel = function (dataLabel, options, alignAttr, bBox, alignTo, isNew) {
|
var chart = this.chart,
|
align = options.align,
|
verticalAlign = options.verticalAlign,
|
off,
|
justified;
|
|
// Off left
|
off = alignAttr.x;
|
if (off < 0) {
|
if (align === 'right') {
|
options.align = 'left';
|
} else {
|
options.x = -off;
|
}
|
justified = true;
|
}
|
|
// Off right
|
off = alignAttr.x + bBox.width;
|
if (off > chart.plotWidth) {
|
if (align === 'left') {
|
options.align = 'right';
|
} else {
|
options.x = chart.plotWidth - off;
|
}
|
justified = true;
|
}
|
|
// Off top
|
off = alignAttr.y;
|
if (off < 0) {
|
if (verticalAlign === 'bottom') {
|
options.verticalAlign = 'top';
|
} else {
|
options.y = -off;
|
}
|
justified = true;
|
}
|
|
// Off bottom
|
off = alignAttr.y + bBox.height;
|
if (off > chart.plotHeight) {
|
if (verticalAlign === 'top') {
|
options.verticalAlign = 'bottom';
|
} else {
|
options.y = chart.plotHeight - off;
|
}
|
justified = true;
|
}
|
|
if (justified) {
|
dataLabel.placed = !isNew;
|
dataLabel.align(options, null, alignTo);
|
}
|
};
|
|
/**
|
* Override the base drawDataLabels method by pie specific functionality
|
*/
|
if (seriesTypes.pie) {
|
seriesTypes.pie.prototype.drawDataLabels = function () {
|
var series = this,
|
data = series.data,
|
point,
|
chart = series.chart,
|
options = series.options.dataLabels,
|
connectorPadding = pick(options.connectorPadding, 10),
|
connectorWidth = pick(options.connectorWidth, 1),
|
plotWidth = chart.plotWidth,
|
plotHeight = chart.plotHeight,
|
connector,
|
connectorPath,
|
softConnector = pick(options.softConnector, true),
|
distanceOption = options.distance,
|
seriesCenter = series.center,
|
radius = seriesCenter[2] / 2,
|
centerY = seriesCenter[1],
|
outside = distanceOption > 0,
|
dataLabel,
|
dataLabelWidth,
|
labelPos,
|
labelHeight,
|
halves = [// divide the points into right and left halves for anti collision
|
[], // right
|
[] // left
|
],
|
x,
|
y,
|
visibility,
|
rankArr,
|
i,
|
j,
|
overflow = [0, 0, 0, 0], // top, right, bottom, left
|
sort = function (a, b) {
|
return b.y - a.y;
|
};
|
|
// get out if not enabled
|
if (!series.visible || (!options.enabled && !series._hasPointLabels)) {
|
return;
|
}
|
|
// run parent method
|
Series.prototype.drawDataLabels.apply(series);
|
|
// arrange points for detection collision
|
each(data, function (point) {
|
if (point.dataLabel && point.visible) { // #407, #2510
|
halves[point.half].push(point);
|
}
|
});
|
|
/* Loop over the points in each half, starting from the top and bottom
|
* of the pie to detect overlapping labels.
|
*/
|
i = 2;
|
while (i--) {
|
|
var slots = [],
|
slotsLength,
|
usedSlots = [],
|
points = halves[i],
|
pos,
|
bottom,
|
length = points.length,
|
slotIndex;
|
|
if (!length) {
|
continue;
|
}
|
|
// Sort by angle
|
series.sortByAngle(points, i - 0.5);
|
|
// Assume equal label heights on either hemisphere (#2630)
|
j = labelHeight = 0;
|
while (!labelHeight && points[j]) { // #1569
|
labelHeight = points[j] && points[j].dataLabel && (points[j].dataLabel.getBBox().height || 21); // 21 is for #968
|
j++;
|
}
|
|
// Only do anti-collision when we are outside the pie and have connectors (#856)
|
if (distanceOption > 0) {
|
|
// Build the slots
|
bottom = mathMin(centerY + radius + distanceOption, chart.plotHeight);
|
for (pos = mathMax(0, centerY - radius - distanceOption); pos <= bottom; pos += labelHeight) {
|
slots.push(pos);
|
}
|
slotsLength = slots.length;
|
|
|
/* Visualize the slots
|
if (!series.slotElements) {
|
series.slotElements = [];
|
}
|
if (i === 1) {
|
series.slotElements.forEach(function (elem) {
|
elem.destroy();
|
});
|
series.slotElements.length = 0;
|
}
|
|
slots.forEach(function (pos, no) {
|
var slotX = series.getX(pos, i) + chart.plotLeft - (i ? 100 : 0),
|
slotY = pos + chart.plotTop;
|
|
if (!isNaN(slotX)) {
|
series.slotElements.push(chart.renderer.rect(slotX, slotY - 7, 100, labelHeight, 1)
|
.attr({
|
'stroke-width': 1,
|
stroke: 'silver',
|
fill: 'rgba(0,0,255,0.1)'
|
})
|
.add());
|
series.slotElements.push(chart.renderer.text('Slot '+ no, slotX, slotY + 4)
|
.attr({
|
fill: 'silver'
|
}).add());
|
}
|
});
|
// */
|
|
// if there are more values than available slots, remove lowest values
|
if (length > slotsLength) {
|
// create an array for sorting and ranking the points within each quarter
|
rankArr = [].concat(points);
|
rankArr.sort(sort);
|
j = length;
|
while (j--) {
|
rankArr[j].rank = j;
|
}
|
j = length;
|
while (j--) {
|
if (points[j].rank >= slotsLength) {
|
points.splice(j, 1);
|
}
|
}
|
length = points.length;
|
}
|
|
// The label goes to the nearest open slot, but not closer to the edge than
|
// the label's index.
|
for (j = 0; j < length; j++) {
|
|
point = points[j];
|
labelPos = point.labelPos;
|
|
var closest = 9999,
|
distance,
|
slotI;
|
|
// find the closest slot index
|
for (slotI = 0; slotI < slotsLength; slotI++) {
|
distance = mathAbs(slots[slotI] - labelPos[1]);
|
if (distance < closest) {
|
closest = distance;
|
slotIndex = slotI;
|
}
|
}
|
|
// if that slot index is closer to the edges of the slots, move it
|
// to the closest appropriate slot
|
if (slotIndex < j && slots[j] !== null) { // cluster at the top
|
slotIndex = j;
|
} else if (slotsLength < length - j + slotIndex && slots[j] !== null) { // cluster at the bottom
|
slotIndex = slotsLength - length + j;
|
while (slots[slotIndex] === null) { // make sure it is not taken
|
slotIndex++;
|
}
|
} else {
|
// Slot is taken, find next free slot below. In the next run, the next slice will find the
|
// slot above these, because it is the closest one
|
while (slots[slotIndex] === null) { // make sure it is not taken
|
slotIndex++;
|
}
|
}
|
|
usedSlots.push({ i: slotIndex, y: slots[slotIndex] });
|
slots[slotIndex] = null; // mark as taken
|
}
|
// sort them in order to fill in from the top
|
usedSlots.sort(sort);
|
}
|
|
// now the used slots are sorted, fill them up sequentially
|
for (j = 0; j < length; j++) {
|
|
var slot, naturalY;
|
|
point = points[j];
|
labelPos = point.labelPos;
|
dataLabel = point.dataLabel;
|
visibility = point.visible === false ? HIDDEN : VISIBLE;
|
naturalY = labelPos[1];
|
|
if (distanceOption > 0) {
|
slot = usedSlots.pop();
|
slotIndex = slot.i;
|
|
// if the slot next to currrent slot is free, the y value is allowed
|
// to fall back to the natural position
|
y = slot.y;
|
if ((naturalY > y && slots[slotIndex + 1] !== null) ||
|
(naturalY < y && slots[slotIndex - 1] !== null)) {
|
y = mathMin(mathMax(0, naturalY), chart.plotHeight);
|
}
|
|
} else {
|
y = naturalY;
|
}
|
|
// get the x - use the natural x position for first and last slot, to prevent the top
|
// and botton slice connectors from touching each other on either side
|
x = options.justify ?
|
seriesCenter[0] + (i ? -1 : 1) * (radius + distanceOption) :
|
series.getX(y === centerY - radius - distanceOption || y === centerY + radius + distanceOption ? naturalY : y, i);
|
|
|
// Record the placement and visibility
|
dataLabel._attr = {
|
visibility: visibility,
|
align: labelPos[6]
|
};
|
dataLabel._pos = {
|
x: x + options.x +
|
({ left: connectorPadding, right: -connectorPadding }[labelPos[6]] || 0),
|
y: y + options.y - 10 // 10 is for the baseline (label vs text)
|
};
|
dataLabel.connX = x;
|
dataLabel.connY = y;
|
|
|
// Detect overflowing data labels
|
if (this.options.size === null) {
|
dataLabelWidth = dataLabel.width;
|
// Overflow left
|
if (x - dataLabelWidth < connectorPadding) {
|
overflow[3] = mathMax(mathRound(dataLabelWidth - x + connectorPadding), overflow[3]);
|
|
// Overflow right
|
} else if (x + dataLabelWidth > plotWidth - connectorPadding) {
|
overflow[1] = mathMax(mathRound(x + dataLabelWidth - plotWidth + connectorPadding), overflow[1]);
|
}
|
|
// Overflow top
|
if (y - labelHeight / 2 < 0) {
|
overflow[0] = mathMax(mathRound(-y + labelHeight / 2), overflow[0]);
|
|
// Overflow left
|
} else if (y + labelHeight / 2 > plotHeight) {
|
overflow[2] = mathMax(mathRound(y + labelHeight / 2 - plotHeight), overflow[2]);
|
}
|
}
|
} // for each point
|
} // for each half
|
|
// Do not apply the final placement and draw the connectors until we have verified
|
// that labels are not spilling over.
|
if (arrayMax(overflow) === 0 || this.verifyDataLabelOverflow(overflow)) {
|
|
// Place the labels in the final position
|
this.placeDataLabels();
|
|
// Draw the connectors
|
if (outside && connectorWidth) {
|
each(this.points, function (point) {
|
connector = point.connector;
|
labelPos = point.labelPos;
|
dataLabel = point.dataLabel;
|
|
if (dataLabel && dataLabel._pos) {
|
visibility = dataLabel._attr.visibility;
|
x = dataLabel.connX;
|
y = dataLabel.connY;
|
connectorPath = softConnector ? [
|
M,
|
x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
|
'C',
|
x, y, // first break, next to the label
|
2 * labelPos[2] - labelPos[4], 2 * labelPos[3] - labelPos[5],
|
labelPos[2], labelPos[3], // second break
|
L,
|
labelPos[4], labelPos[5] // base
|
] : [
|
M,
|
x + (labelPos[6] === 'left' ? 5 : -5), y, // end of the string at the label
|
L,
|
labelPos[2], labelPos[3], // second break
|
L,
|
labelPos[4], labelPos[5] // base
|
];
|
|
if (connector) {
|
connector.animate({ d: connectorPath });
|
connector.attr('visibility', visibility);
|
|
} else {
|
point.connector = connector = series.chart.renderer.path(connectorPath).attr({
|
'stroke-width': connectorWidth,
|
stroke: options.connectorColor || point.color || '#606060',
|
visibility: visibility
|
//zIndex: 0 // #2722 (reversed)
|
})
|
.add(series.dataLabelsGroup);
|
}
|
} else if (connector) {
|
point.connector = connector.destroy();
|
}
|
});
|
}
|
}
|
};
|
/**
|
* Perform the final placement of the data labels after we have verified that they
|
* fall within the plot area.
|
*/
|
seriesTypes.pie.prototype.placeDataLabels = function () {
|
each(this.points, function (point) {
|
var dataLabel = point.dataLabel,
|
_pos;
|
|
if (dataLabel) {
|
_pos = dataLabel._pos;
|
if (_pos) {
|
dataLabel.attr(dataLabel._attr);
|
dataLabel[dataLabel.moved ? 'animate' : 'attr'](_pos);
|
dataLabel.moved = true;
|
} else if (dataLabel) {
|
dataLabel.attr({ y: -999 });
|
}
|
}
|
});
|
};
|
|
seriesTypes.pie.prototype.alignDataLabel = noop;
|
|
/**
|
* Verify whether the data labels are allowed to draw, or we should run more translation and data
|
* label positioning to keep them inside the plot area. Returns true when data labels are ready
|
* to draw.
|
*/
|
seriesTypes.pie.prototype.verifyDataLabelOverflow = function (overflow) {
|
|
var center = this.center,
|
options = this.options,
|
centerOption = options.center,
|
minSize = options.minSize || 80,
|
newSize = minSize,
|
ret;
|
|
// Handle horizontal size and center
|
if (centerOption[0] !== null) { // Fixed center
|
newSize = mathMax(center[2] - mathMax(overflow[1], overflow[3]), minSize);
|
|
} else { // Auto center
|
newSize = mathMax(
|
center[2] - overflow[1] - overflow[3], // horizontal overflow
|
minSize
|
);
|
center[0] += (overflow[3] - overflow[1]) / 2; // horizontal center
|
}
|
|
// Handle vertical size and center
|
if (centerOption[1] !== null) { // Fixed center
|
newSize = mathMax(mathMin(newSize, center[2] - mathMax(overflow[0], overflow[2])), minSize);
|
|
} else { // Auto center
|
newSize = mathMax(
|
mathMin(
|
newSize,
|
center[2] - overflow[0] - overflow[2] // vertical overflow
|
),
|
minSize
|
);
|
center[1] += (overflow[0] - overflow[2]) / 2; // vertical center
|
}
|
|
// If the size must be decreased, we need to run translate and drawDataLabels again
|
if (newSize < center[2]) {
|
center[2] = newSize;
|
this.translate(center);
|
each(this.points, function (point) {
|
if (point.dataLabel) {
|
point.dataLabel._pos = null; // reset
|
}
|
});
|
|
if (this.drawDataLabels) {
|
this.drawDataLabels();
|
}
|
// Else, return true to indicate that the pie and its labels is within the plot area
|
} else {
|
ret = true;
|
}
|
return ret;
|
};
|
}
|
|
if (seriesTypes.column) {
|
|
/**
|
* Override the basic data label alignment by adjusting for the position of the column
|
*/
|
seriesTypes.column.prototype.alignDataLabel = function (point, dataLabel, options, alignTo, isNew) {
|
var chart = this.chart,
|
inverted = chart.inverted,
|
dlBox = point.dlBox || point.shapeArgs, // data label box for alignment
|
below = point.below || (point.plotY > pick(this.translatedThreshold, chart.plotSizeY)),
|
inside = pick(options.inside, !!this.options.stacking); // draw it inside the box?
|
|
// Align to the column itself, or the top of it
|
if (dlBox) { // Area range uses this method but not alignTo
|
alignTo = merge(dlBox);
|
|
if (inverted) {
|
alignTo = {
|
x: chart.plotWidth - alignTo.y - alignTo.height,
|
y: chart.plotHeight - alignTo.x - alignTo.width,
|
width: alignTo.height,
|
height: alignTo.width
|
};
|
}
|
|
// Compute the alignment box
|
if (!inside) {
|
if (inverted) {
|
alignTo.x += below ? 0 : alignTo.width;
|
alignTo.width = 0;
|
} else {
|
alignTo.y += below ? alignTo.height : 0;
|
alignTo.height = 0;
|
}
|
}
|
}
|
|
|
// When alignment is undefined (typically columns and bars), display the individual
|
// point below or above the point depending on the threshold
|
options.align = pick(
|
options.align,
|
!inverted || inside ? 'center' : below ? 'right' : 'left'
|
);
|
options.verticalAlign = pick(
|
options.verticalAlign,
|
inverted || inside ? 'middle' : below ? 'top' : 'bottom'
|
);
|
|
// Call the parent method
|
Series.prototype.alignDataLabel.call(this, point, dataLabel, options, alignTo, isNew);
|
};
|
}
|
|
|
|
/**
|
* TrackerMixin for points and graphs
|
*/
|
|
var TrackerMixin = Highcharts.TrackerMixin = {
|
|
drawTrackerPoint: function () {
|
var series = this,
|
chart = series.chart,
|
pointer = chart.pointer,
|
cursor = series.options.cursor,
|
css = cursor && { cursor: cursor },
|
onMouseOver = function (e) {
|
var target = e.target,
|
point;
|
|
if (chart.hoverSeries !== series) {
|
series.onMouseOver();
|
}
|
|
while (target && !point) {
|
point = target.point;
|
target = target.parentNode;
|
}
|
|
if (point !== UNDEFINED && point !== chart.hoverPoint) { // undefined on graph in scatterchart
|
point.onMouseOver(e);
|
}
|
};
|
|
// Add reference to the point
|
each(series.points, function (point) {
|
if (point.graphic) {
|
point.graphic.element.point = point;
|
}
|
if (point.dataLabel) {
|
point.dataLabel.element.point = point;
|
}
|
});
|
|
// Add the event listeners, we need to do this only once
|
if (!series._hasTracking) {
|
each(series.trackerGroups, function (key) {
|
if (series[key]) { // we don't always have dataLabelsGroup
|
series[key]
|
.addClass(PREFIX + 'tracker')
|
.on('mouseover', onMouseOver)
|
.on('mouseout', function (e) { pointer.onTrackerMouseOut(e); })
|
.css(css);
|
if (hasTouch) {
|
series[key].on('touchstart', onMouseOver);
|
}
|
}
|
});
|
series._hasTracking = true;
|
}
|
},
|
|
/**
|
* Draw the tracker object that sits above all data labels and markers to
|
* track mouse events on the graph or points. For the line type charts
|
* the tracker uses the same graphPath, but with a greater stroke width
|
* for better control.
|
*/
|
drawTrackerGraph: function () {
|
var series = this,
|
options = series.options,
|
trackByArea = options.trackByArea,
|
trackerPath = [].concat(trackByArea ? series.areaPath : series.graphPath),
|
trackerPathLength = trackerPath.length,
|
chart = series.chart,
|
pointer = chart.pointer,
|
renderer = chart.renderer,
|
snap = chart.options.tooltip.snap,
|
tracker = series.tracker,
|
cursor = options.cursor,
|
css = cursor && { cursor: cursor },
|
singlePoints = series.singlePoints,
|
singlePoint,
|
i,
|
onMouseOver = function () {
|
if (chart.hoverSeries !== series) {
|
series.onMouseOver();
|
}
|
},
|
/*
|
* Empirical lowest possible opacities for TRACKER_FILL for an element to stay invisible but clickable
|
* IE6: 0.002
|
* IE7: 0.002
|
* IE8: 0.002
|
* IE9: 0.00000000001 (unlimited)
|
* IE10: 0.0001 (exporting only)
|
* FF: 0.00000000001 (unlimited)
|
* Chrome: 0.000001
|
* Safari: 0.000001
|
* Opera: 0.00000000001 (unlimited)
|
*/
|
TRACKER_FILL = 'rgba(192,192,192,' + (hasSVG ? 0.0001 : 0.002) + ')';
|
|
// Extend end points. A better way would be to use round linecaps,
|
// but those are not clickable in VML.
|
if (trackerPathLength && !trackByArea) {
|
i = trackerPathLength + 1;
|
while (i--) {
|
if (trackerPath[i] === M) { // extend left side
|
trackerPath.splice(i + 1, 0, trackerPath[i + 1] - snap, trackerPath[i + 2], L);
|
}
|
if ((i && trackerPath[i] === M) || i === trackerPathLength) { // extend right side
|
trackerPath.splice(i, 0, L, trackerPath[i - 2] + snap, trackerPath[i - 1]);
|
}
|
}
|
}
|
|
// handle single points
|
for (i = 0; i < singlePoints.length; i++) {
|
singlePoint = singlePoints[i];
|
trackerPath.push(M, singlePoint.plotX - snap, singlePoint.plotY,
|
L, singlePoint.plotX + snap, singlePoint.plotY);
|
}
|
|
// draw the tracker
|
if (tracker) {
|
tracker.attr({ d: trackerPath });
|
} else { // create
|
|
series.tracker = renderer.path(trackerPath)
|
.attr({
|
'stroke-linejoin': 'round', // #1225
|
visibility: series.visible ? VISIBLE : HIDDEN,
|
stroke: TRACKER_FILL,
|
fill: trackByArea ? TRACKER_FILL : NONE,
|
'stroke-width' : options.lineWidth + (trackByArea ? 0 : 2 * snap),
|
zIndex: 2
|
})
|
.add(series.group);
|
|
// The tracker is added to the series group, which is clipped, but is covered
|
// by the marker group. So the marker group also needs to capture events.
|
each([series.tracker, series.markerGroup], function (tracker) {
|
tracker.addClass(PREFIX + 'tracker')
|
.on('mouseover', onMouseOver)
|
.on('mouseout', function (e) { pointer.onTrackerMouseOut(e); })
|
.css(css);
|
|
if (hasTouch) {
|
tracker.on('touchstart', onMouseOver);
|
}
|
});
|
}
|
}
|
};
|
/* End TrackerMixin */
|
|
|
/**
|
* Add tracking event listener to the series group, so the point graphics
|
* themselves act as trackers
|
*/
|
|
if (seriesTypes.column) {
|
ColumnSeries.prototype.drawTracker = TrackerMixin.drawTrackerPoint;
|
}
|
|
if (seriesTypes.pie) {
|
seriesTypes.pie.prototype.drawTracker = TrackerMixin.drawTrackerPoint;
|
}
|
|
if (seriesTypes.scatter) {
|
ScatterSeries.prototype.drawTracker = TrackerMixin.drawTrackerPoint;
|
}
|
|
/*
|
* Extend Legend for item events
|
*/
|
extend(Legend.prototype, {
|
|
setItemEvents: function (item, legendItem, useHTML, itemStyle, itemHiddenStyle) {
|
var legend = this;
|
// Set the events on the item group, or in case of useHTML, the item itself (#1249)
|
(useHTML ? legendItem : item.legendGroup).on('mouseover', function () {
|
item.setState(HOVER_STATE);
|
legendItem.css(legend.options.itemHoverStyle);
|
})
|
.on('mouseout', function () {
|
legendItem.css(item.visible ? itemStyle : itemHiddenStyle);
|
item.setState();
|
})
|
.on('click', function (event) {
|
var strLegendItemClick = 'legendItemClick',
|
fnLegendItemClick = function () {
|
item.setVisible();
|
};
|
|
// Pass over the click/touch event. #4.
|
event = {
|
browserEvent: event
|
};
|
|
// click the name or symbol
|
if (item.firePointEvent) { // point
|
item.firePointEvent(strLegendItemClick, event, fnLegendItemClick);
|
} else {
|
fireEvent(item, strLegendItemClick, event, fnLegendItemClick);
|
}
|
});
|
},
|
|
createCheckboxForItem: function (item) {
|
var legend = this;
|
|
item.checkbox = createElement('input', {
|
type: 'checkbox',
|
checked: item.selected,
|
defaultChecked: item.selected // required by IE7
|
}, legend.options.itemCheckboxStyle, legend.chart.container);
|
|
addEvent(item.checkbox, 'click', function (event) {
|
var target = event.target;
|
fireEvent(item, 'checkboxClick', {
|
checked: target.checked
|
},
|
function () {
|
item.select();
|
}
|
);
|
});
|
}
|
});
|
|
/*
|
* Add pointer cursor to legend itemstyle in defaultOptions
|
*/
|
defaultOptions.legend.itemStyle.cursor = 'pointer';
|
|
|
/*
|
* Extend the Chart object with interaction
|
*/
|
|
extend(Chart.prototype, {
|
/**
|
* Display the zoom button
|
*/
|
showResetZoom: function () {
|
var chart = this,
|
lang = defaultOptions.lang,
|
btnOptions = chart.options.chart.resetZoomButton,
|
theme = btnOptions.theme,
|
states = theme.states,
|
alignTo = btnOptions.relativeTo === 'chart' ? null : 'plotBox';
|
|
this.resetZoomButton = chart.renderer.button(lang.resetZoom, null, null, function () { chart.zoomOut(); }, theme, states && states.hover)
|
.attr({
|
align: btnOptions.position.align,
|
title: lang.resetZoomTitle
|
})
|
.add()
|
.align(btnOptions.position, false, alignTo);
|
|
},
|
|
/**
|
* Zoom out to 1:1
|
*/
|
zoomOut: function () {
|
var chart = this;
|
fireEvent(chart, 'selection', { resetSelection: true }, function () {
|
chart.zoom();
|
});
|
},
|
|
/**
|
* Zoom into a given portion of the chart given by axis coordinates
|
* @param {Object} event
|
*/
|
zoom: function (event) {
|
var chart = this,
|
hasZoomed,
|
pointer = chart.pointer,
|
displayButton = false,
|
resetZoomButton;
|
|
// If zoom is called with no arguments, reset the axes
|
if (!event || event.resetSelection) {
|
each(chart.axes, function (axis) {
|
hasZoomed = axis.zoom();
|
});
|
} else { // else, zoom in on all axes
|
each(event.xAxis.concat(event.yAxis), function (axisData) {
|
var axis = axisData.axis,
|
isXAxis = axis.isXAxis;
|
|
// don't zoom more than minRange
|
if (pointer[isXAxis ? 'zoomX' : 'zoomY'] || pointer[isXAxis ? 'pinchX' : 'pinchY']) {
|
hasZoomed = axis.zoom(axisData.min, axisData.max);
|
if (axis.displayBtn) {
|
displayButton = true;
|
}
|
}
|
});
|
}
|
|
// Show or hide the Reset zoom button
|
resetZoomButton = chart.resetZoomButton;
|
if (displayButton && !resetZoomButton) {
|
chart.showResetZoom();
|
} else if (!displayButton && isObject(resetZoomButton)) {
|
chart.resetZoomButton = resetZoomButton.destroy();
|
}
|
|
|
// Redraw
|
if (hasZoomed) {
|
chart.redraw(
|
pick(chart.options.chart.animation, event && event.animation, chart.pointCount < 100) // animation
|
);
|
}
|
},
|
|
/**
|
* Pan the chart by dragging the mouse across the pane. This function is called
|
* on mouse move, and the distance to pan is computed from chartX compared to
|
* the first chartX position in the dragging operation.
|
*/
|
pan: function (e, panning) {
|
|
var chart = this,
|
hoverPoints = chart.hoverPoints,
|
doRedraw;
|
|
// remove active points for shared tooltip
|
if (hoverPoints) {
|
each(hoverPoints, function (point) {
|
point.setState();
|
});
|
}
|
|
each(panning === 'xy' ? [1, 0] : [1], function (isX) { // xy is used in maps
|
var mousePos = e[isX ? 'chartX' : 'chartY'],
|
axis = chart[isX ? 'xAxis' : 'yAxis'][0],
|
startPos = chart[isX ? 'mouseDownX' : 'mouseDownY'],
|
halfPointRange = (axis.pointRange || 0) / 2,
|
extremes = axis.getExtremes(),
|
newMin = axis.toValue(startPos - mousePos, true) + halfPointRange,
|
newMax = axis.toValue(startPos + chart[isX ? 'plotWidth' : 'plotHeight'] - mousePos, true) - halfPointRange;
|
|
if (axis.series.length && newMin > mathMin(extremes.dataMin, extremes.min) && newMax < mathMax(extremes.dataMax, extremes.max)) {
|
axis.setExtremes(newMin, newMax, false, false, { trigger: 'pan' });
|
doRedraw = true;
|
}
|
|
chart[isX ? 'mouseDownX' : 'mouseDownY'] = mousePos; // set new reference for next run
|
});
|
|
if (doRedraw) {
|
chart.redraw(false);
|
}
|
css(chart.container, { cursor: 'move' });
|
}
|
});
|
|
/*
|
* Extend the Point object with interaction
|
*/
|
extend(Point.prototype, {
|
/**
|
* Toggle the selection status of a point
|
* @param {Boolean} selected Whether to select or unselect the point.
|
* @param {Boolean} accumulate Whether to add to the previous selection. By default,
|
* this happens if the control key (Cmd on Mac) was pressed during clicking.
|
*/
|
select: function (selected, accumulate) {
|
var point = this,
|
series = point.series,
|
chart = series.chart;
|
|
selected = pick(selected, !point.selected);
|
|
// fire the event with the defalut handler
|
point.firePointEvent(selected ? 'select' : 'unselect', { accumulate: accumulate }, function () {
|
point.selected = point.options.selected = selected;
|
series.options.data[inArray(point, series.data)] = point.options;
|
|
point.setState(selected && SELECT_STATE);
|
|
// unselect all other points unless Ctrl or Cmd + click
|
if (!accumulate) {
|
each(chart.getSelectedPoints(), function (loopPoint) {
|
if (loopPoint.selected && loopPoint !== point) {
|
loopPoint.selected = loopPoint.options.selected = false;
|
series.options.data[inArray(loopPoint, series.data)] = loopPoint.options;
|
loopPoint.setState(NORMAL_STATE);
|
loopPoint.firePointEvent('unselect');
|
}
|
});
|
}
|
});
|
},
|
|
/**
|
* Runs on mouse over the point
|
*/
|
onMouseOver: function (e) {
|
var point = this,
|
series = point.series,
|
chart = series.chart,
|
tooltip = chart.tooltip,
|
hoverPoint = chart.hoverPoint;
|
|
// set normal state to previous series
|
if (hoverPoint && hoverPoint !== point) {
|
hoverPoint.onMouseOut();
|
}
|
|
// trigger the event
|
point.firePointEvent('mouseOver');
|
|
// update the tooltip
|
if (tooltip && (!tooltip.shared || series.noSharedTooltip)) {
|
tooltip.refresh(point, e);
|
}
|
|
// hover this
|
point.setState(HOVER_STATE);
|
chart.hoverPoint = point;
|
},
|
|
/**
|
* Runs on mouse out from the point
|
*/
|
onMouseOut: function () {
|
var chart = this.series.chart,
|
hoverPoints = chart.hoverPoints;
|
|
this.firePointEvent('mouseOut');
|
|
if (!hoverPoints || inArray(this, hoverPoints) === -1) { // #887, #2240
|
this.setState();
|
chart.hoverPoint = null;
|
}
|
},
|
|
/**
|
* Import events from the series' and point's options. Only do it on
|
* demand, to save processing time on hovering.
|
*/
|
importEvents: function () {
|
if (!this.hasImportedEvents) {
|
var point = this,
|
options = merge(point.series.options.point, point.options),
|
events = options.events,
|
eventType;
|
|
point.events = events;
|
|
for (eventType in events) {
|
addEvent(point, eventType, events[eventType]);
|
}
|
this.hasImportedEvents = true;
|
|
}
|
},
|
|
/**
|
* Set the point's state
|
* @param {String} state
|
*/
|
setState: function (state, move) {
|
var point = this,
|
plotX = point.plotX,
|
plotY = point.plotY,
|
series = point.series,
|
stateOptions = series.options.states,
|
markerOptions = defaultPlotOptions[series.type].marker && series.options.marker,
|
normalDisabled = markerOptions && !markerOptions.enabled,
|
markerStateOptions = markerOptions && markerOptions.states[state],
|
stateDisabled = markerStateOptions && markerStateOptions.enabled === false,
|
stateMarkerGraphic = series.stateMarkerGraphic,
|
pointMarker = point.marker || {},
|
chart = series.chart,
|
radius,
|
halo = series.halo,
|
haloOptions,
|
newSymbol,
|
pointAttr;
|
|
state = state || NORMAL_STATE; // empty string
|
pointAttr = point.pointAttr[state] || series.pointAttr[state];
|
|
if (
|
// already has this state
|
(state === point.state && !move) ||
|
// selected points don't respond to hover
|
(point.selected && state !== SELECT_STATE) ||
|
// series' state options is disabled
|
(stateOptions[state] && stateOptions[state].enabled === false) ||
|
// general point marker's state options is disabled
|
(state && (stateDisabled || (normalDisabled && markerStateOptions.enabled === false))) ||
|
// individual point marker's state options is disabled
|
(state && pointMarker.states && pointMarker.states[state] && pointMarker.states[state].enabled === false) // #1610
|
|
) {
|
return;
|
}
|
|
// apply hover styles to the existing point
|
if (point.graphic) {
|
radius = markerOptions && point.graphic.symbolName && pointAttr.r;
|
point.graphic.attr(merge(
|
pointAttr,
|
radius ? { // new symbol attributes (#507, #612)
|
x: plotX - radius,
|
y: plotY - radius,
|
width: 2 * radius,
|
height: 2 * radius
|
} : {}
|
));
|
|
// Zooming in from a range with no markers to a range with markers
|
if (stateMarkerGraphic) {
|
stateMarkerGraphic.hide();
|
}
|
} else {
|
// if a graphic is not applied to each point in the normal state, create a shared
|
// graphic for the hover state
|
if (state && markerStateOptions) {
|
radius = markerStateOptions.radius;
|
newSymbol = pointMarker.symbol || series.symbol;
|
|
// If the point has another symbol than the previous one, throw away the
|
// state marker graphic and force a new one (#1459)
|
if (stateMarkerGraphic && stateMarkerGraphic.currentSymbol !== newSymbol) {
|
stateMarkerGraphic = stateMarkerGraphic.destroy();
|
}
|
|
// Add a new state marker graphic
|
if (!stateMarkerGraphic) {
|
if (newSymbol) {
|
series.stateMarkerGraphic = stateMarkerGraphic = chart.renderer.symbol(
|
newSymbol,
|
plotX - radius,
|
plotY - radius,
|
2 * radius,
|
2 * radius
|
)
|
.attr(pointAttr)
|
.add(series.markerGroup);
|
stateMarkerGraphic.currentSymbol = newSymbol;
|
}
|
|
// Move the existing graphic
|
} else {
|
stateMarkerGraphic[move ? 'animate' : 'attr']({ // #1054
|
x: plotX - radius,
|
y: plotY - radius
|
});
|
}
|
}
|
|
if (stateMarkerGraphic) {
|
stateMarkerGraphic[state && chart.isInsidePlot(plotX, plotY, chart.inverted) ? 'show' : 'hide'](); // #2450
|
}
|
}
|
|
// Show me your halo
|
haloOptions = stateOptions[state] && stateOptions[state].halo;
|
if (haloOptions && haloOptions.size) {
|
if (!halo) {
|
series.halo = halo = chart.renderer.path()
|
.add(series.seriesGroup);
|
}
|
halo.attr(extend({
|
fill: Color(point.color || series.color).setOpacity(haloOptions.opacity).get()
|
}, haloOptions.attributes))[move ? 'animate' : 'attr']({
|
d: point.haloPath(haloOptions.size)
|
});
|
} else if (halo) {
|
halo.attr({ d: [] });
|
}
|
|
point.state = state;
|
},
|
|
haloPath: function (size) {
|
var series = this.series,
|
chart = series.chart,
|
plotBox = series.getPlotBox(),
|
inverted = chart.inverted;
|
|
return chart.renderer.symbols.circle(
|
plotBox.translateX + (inverted ? series.yAxis.len - this.plotY : this.plotX) - size,
|
plotBox.translateY + (inverted ? series.xAxis.len - this.plotX : this.plotY) - size,
|
size * 2,
|
size * 2
|
);
|
}
|
});
|
|
/*
|
* Extend the Series object with interaction
|
*/
|
|
extend(Series.prototype, {
|
/**
|
* Series mouse over handler
|
*/
|
onMouseOver: function () {
|
var series = this,
|
chart = series.chart,
|
hoverSeries = chart.hoverSeries;
|
|
// set normal state to previous series
|
if (hoverSeries && hoverSeries !== series) {
|
hoverSeries.onMouseOut();
|
}
|
|
// trigger the event, but to save processing time,
|
// only if defined
|
if (series.options.events.mouseOver) {
|
fireEvent(series, 'mouseOver');
|
}
|
|
// hover this
|
series.setState(HOVER_STATE);
|
chart.hoverSeries = series;
|
},
|
|
/**
|
* Series mouse out handler
|
*/
|
onMouseOut: function () {
|
// trigger the event only if listeners exist
|
var series = this,
|
options = series.options,
|
chart = series.chart,
|
tooltip = chart.tooltip,
|
hoverPoint = chart.hoverPoint;
|
|
// trigger mouse out on the point, which must be in this series
|
if (hoverPoint) {
|
hoverPoint.onMouseOut();
|
}
|
|
// fire the mouse out event
|
if (series && options.events.mouseOut) {
|
fireEvent(series, 'mouseOut');
|
}
|
|
|
// hide the tooltip
|
if (tooltip && !options.stickyTracking && (!tooltip.shared || series.noSharedTooltip)) {
|
tooltip.hide();
|
}
|
|
// set normal state
|
series.setState();
|
chart.hoverSeries = null;
|
},
|
|
/**
|
* Set the state of the graph
|
*/
|
setState: function (state) {
|
var series = this,
|
options = series.options,
|
graph = series.graph,
|
graphNeg = series.graphNeg,
|
stateOptions = options.states,
|
lineWidth = options.lineWidth,
|
attribs;
|
|
state = state || NORMAL_STATE;
|
|
if (series.state !== state) {
|
series.state = state;
|
|
if (stateOptions[state] && stateOptions[state].enabled === false) {
|
return;
|
}
|
|
if (state) {
|
lineWidth = stateOptions[state].lineWidth || lineWidth + (stateOptions[state].lineWidthPlus || 0);
|
}
|
|
if (graph && !graph.dashstyle) { // hover is turned off for dashed lines in VML
|
attribs = {
|
'stroke-width': lineWidth
|
};
|
// use attr because animate will cause any other animation on the graph to stop
|
graph.attr(attribs);
|
if (graphNeg) {
|
graphNeg.attr(attribs);
|
}
|
}
|
}
|
},
|
|
/**
|
* Set the visibility of the graph
|
*
|
* @param vis {Boolean} True to show the series, false to hide. If UNDEFINED,
|
* the visibility is toggled.
|
*/
|
setVisible: function (vis, redraw) {
|
var series = this,
|
chart = series.chart,
|
legendItem = series.legendItem,
|
showOrHide,
|
ignoreHiddenSeries = chart.options.chart.ignoreHiddenSeries,
|
oldVisibility = series.visible;
|
|
// if called without an argument, toggle visibility
|
series.visible = vis = series.userOptions.visible = vis === UNDEFINED ? !oldVisibility : vis;
|
showOrHide = vis ? 'show' : 'hide';
|
|
// show or hide elements
|
each(['group', 'dataLabelsGroup', 'markerGroup', 'tracker'], function (key) {
|
if (series[key]) {
|
series[key][showOrHide]();
|
}
|
});
|
|
|
// hide tooltip (#1361)
|
if (chart.hoverSeries === series) {
|
series.onMouseOut();
|
}
|
|
|
if (legendItem) {
|
chart.legend.colorizeItem(series, vis);
|
}
|
|
|
// rescale or adapt to resized chart
|
series.isDirty = true;
|
// in a stack, all other series are affected
|
if (series.options.stacking) {
|
each(chart.series, function (otherSeries) {
|
if (otherSeries.options.stacking && otherSeries.visible) {
|
otherSeries.isDirty = true;
|
}
|
});
|
}
|
|
// show or hide linked series
|
each(series.linkedSeries, function (otherSeries) {
|
otherSeries.setVisible(vis, false);
|
});
|
|
if (ignoreHiddenSeries) {
|
chart.isDirtyBox = true;
|
}
|
if (redraw !== false) {
|
chart.redraw();
|
}
|
|
fireEvent(series, showOrHide);
|
},
|
|
/**
|
* Memorize tooltip texts and positions
|
*/
|
setTooltipPoints: function (renew) {
|
var series = this,
|
points = [],
|
pointsLength,
|
low,
|
high,
|
xAxis = series.xAxis,
|
xExtremes = xAxis && xAxis.getExtremes(),
|
axisLength = xAxis ? (xAxis.tooltipLen || xAxis.len) : series.chart.plotSizeX, // tooltipLen and tooltipPosName used in polar
|
point,
|
pointX,
|
nextPoint,
|
i,
|
tooltipPoints = []; // a lookup array for each pixel in the x dimension
|
|
// don't waste resources if tracker is disabled
|
if (series.options.enableMouseTracking === false || series.singularTooltips) {
|
return;
|
}
|
|
// renew
|
if (renew) {
|
series.tooltipPoints = null;
|
}
|
|
// concat segments to overcome null values
|
each(series.segments || series.points, function (segment) {
|
points = points.concat(segment);
|
});
|
|
// Reverse the points in case the X axis is reversed
|
if (xAxis && xAxis.reversed) {
|
points = points.reverse();
|
}
|
|
// Polar needs additional shaping
|
if (series.orderTooltipPoints) {
|
series.orderTooltipPoints(points);
|
}
|
|
// Assign each pixel position to the nearest point
|
pointsLength = points.length;
|
for (i = 0; i < pointsLength; i++) {
|
point = points[i];
|
pointX = point.x;
|
if (pointX >= xExtremes.min && pointX <= xExtremes.max) { // #1149
|
nextPoint = points[i + 1];
|
|
// Set this range's low to the last range's high plus one
|
low = high === UNDEFINED ? 0 : high + 1;
|
// Now find the new high
|
high = points[i + 1] ?
|
mathMin(mathMax(0, mathFloor( // #2070
|
(point.clientX + (nextPoint ? (nextPoint.wrappedClientX || nextPoint.clientX) : axisLength)) / 2
|
)), axisLength) :
|
axisLength;
|
|
while (low >= 0 && low <= high) {
|
tooltipPoints[low++] = point;
|
}
|
}
|
}
|
series.tooltipPoints = tooltipPoints;
|
},
|
|
/**
|
* Show the graph
|
*/
|
show: function () {
|
this.setVisible(true);
|
},
|
|
/**
|
* Hide the graph
|
*/
|
hide: function () {
|
this.setVisible(false);
|
},
|
|
|
/**
|
* Set the selected state of the graph
|
*
|
* @param selected {Boolean} True to select the series, false to unselect. If
|
* UNDEFINED, the selection state is toggled.
|
*/
|
select: function (selected) {
|
var series = this;
|
// if called without an argument, toggle
|
series.selected = selected = (selected === UNDEFINED) ? !series.selected : selected;
|
|
if (series.checkbox) {
|
series.checkbox.checked = selected;
|
}
|
|
fireEvent(series, selected ? 'select' : 'unselect');
|
},
|
|
drawTracker: TrackerMixin.drawTrackerGraph
|
});
|
// global variables
|
extend(Highcharts, {
|
|
// Constructors
|
Axis: Axis,
|
Chart: Chart,
|
Color: Color,
|
Point: Point,
|
Tick: Tick,
|
Renderer: Renderer,
|
Series: Series,
|
SVGElement: SVGElement,
|
SVGRenderer: SVGRenderer,
|
|
// Various
|
arrayMin: arrayMin,
|
arrayMax: arrayMax,
|
charts: charts,
|
dateFormat: dateFormat,
|
format: format,
|
pathAnim: pathAnim,
|
getOptions: getOptions,
|
hasBidiBug: hasBidiBug,
|
isTouchDevice: isTouchDevice,
|
numberFormat: numberFormat,
|
seriesTypes: seriesTypes,
|
setOptions: setOptions,
|
addEvent: addEvent,
|
removeEvent: removeEvent,
|
createElement: createElement,
|
discardElement: discardElement,
|
css: css,
|
each: each,
|
extend: extend,
|
map: map,
|
merge: merge,
|
pick: pick,
|
splat: splat,
|
extendClass: extendClass,
|
pInt: pInt,
|
wrap: wrap,
|
svg: hasSVG,
|
canvas: useCanVG,
|
vml: !hasSVG && !useCanVG,
|
product: PRODUCT,
|
version: VERSION
|
});
|
|
}());
|
