/**
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* @license Highcharts JS v3.0.6 (2013-10-04)
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* MooTools adapter
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*
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* (c) 2010-2013 Torstein Hønsi
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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 Fx, $, $extend, $each, $merge, Events, Event, DOMEvent */
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(function () {
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var win = window,
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doc = document,
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mooVersion = win.MooTools.version.substring(0, 3), // Get the first three characters of the version number
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legacy = mooVersion === '1.2' || mooVersion === '1.1', // 1.1 && 1.2 considered legacy, 1.3 is not.
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legacyEvent = legacy || mooVersion === '1.3', // In versions 1.1 - 1.3 the event class is named Event, in newer versions it is named DOMEvent.
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$extend = win.$extend || function () {
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return Object.append.apply(Object, arguments);
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};
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win.HighchartsAdapter = {
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/**
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* Initialize the adapter. This is run once as Highcharts is first run.
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* @param {Object} pathAnim The helper object to do animations across adapters.
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*/
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init: function (pathAnim) {
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var fxProto = Fx.prototype,
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fxStart = fxProto.start,
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morphProto = Fx.Morph.prototype,
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morphCompute = morphProto.compute;
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// override Fx.start to allow animation of SVG element wrappers
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/*jslint unparam: true*//* allow unused parameters in fx functions */
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fxProto.start = function (from, to) {
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var fx = this,
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elem = fx.element;
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// special for animating paths
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if (from.d) {
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//this.fromD = this.element.d.split(' ');
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fx.paths = pathAnim.init(
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elem,
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elem.d,
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fx.toD
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);
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}
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fxStart.apply(fx, arguments);
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return this; // chainable
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};
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// override Fx.step to allow animation of SVG element wrappers
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morphProto.compute = function (from, to, delta) {
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var fx = this,
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paths = fx.paths;
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if (paths) {
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fx.element.attr(
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'd',
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pathAnim.step(paths[0], paths[1], delta, fx.toD)
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);
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} else {
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return morphCompute.apply(fx, arguments);
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}
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};
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/*jslint unparam: false*/
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},
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/**
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* Run a general method on the framework, following jQuery syntax
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* @param {Object} el The HTML element
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* @param {String} method Which method to run on the wrapped element
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*/
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adapterRun: function (el, method) {
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// This currently works for getting inner width and height. If adding
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// more methods later, we need a conditional implementation for each.
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if (method === 'width' || method === 'height') {
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return parseInt($(el).getStyle(method), 10);
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}
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},
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/**
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* Downloads a script and executes a callback when done.
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* @param {String} scriptLocation
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* @param {Function} callback
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*/
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getScript: function (scriptLocation, callback) {
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// We cannot assume that Assets class from mootools-more is available so instead insert a script tag to download script.
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var head = doc.getElementsByTagName('head')[0];
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var script = doc.createElement('script');
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script.type = 'text/javascript';
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script.src = scriptLocation;
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script.onload = callback;
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head.appendChild(script);
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},
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/**
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* Animate a HTML element or SVG element wrapper
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* @param {Object} el
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* @param {Object} params
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* @param {Object} options jQuery-like animation options: duration, easing, callback
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*/
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animate: function (el, params, options) {
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var isSVGElement = el.attr,
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effect,
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complete = options && options.complete;
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if (isSVGElement && !el.setStyle) {
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// add setStyle and getStyle methods for internal use in Moo
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el.getStyle = el.attr;
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el.setStyle = function () { // property value is given as array in Moo - break it down
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var args = arguments;
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this.attr.call(this, args[0], args[1][0]);
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};
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// dirty hack to trick Moo into handling el as an element wrapper
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el.$family = function () { return true; };
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}
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// stop running animations
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win.HighchartsAdapter.stop(el);
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// define and run the effect
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effect = new Fx.Morph(
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isSVGElement ? el : $(el),
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$extend({
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transition: Fx.Transitions.Quad.easeInOut
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}, options)
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);
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// Make sure that the element reference is set when animating svg elements
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if (isSVGElement) {
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effect.element = el;
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}
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// special treatment for paths
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if (params.d) {
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effect.toD = params.d;
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}
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// jQuery-like events
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if (complete) {
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effect.addEvent('complete', complete);
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}
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// run
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effect.start(params);
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// record for use in stop method
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el.fx = effect;
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},
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/**
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* MooTool's each function
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*
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*/
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each: function (arr, fn) {
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return legacy ?
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$each(arr, fn) :
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Array.each(arr, fn);
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},
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/**
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* Map an array
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* @param {Array} arr
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* @param {Function} fn
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*/
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map: function (arr, fn) {
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return arr.map(fn);
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},
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/**
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* Grep or filter an array
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* @param {Array} arr
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* @param {Function} fn
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*/
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grep: function (arr, fn) {
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return arr.filter(fn);
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},
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/**
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* Return the index of an item in an array, or -1 if not matched
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*/
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inArray: function (item, arr, from) {
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return arr ? arr.indexOf(item, from) : -1;
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},
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/**
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* Get the offset of an element relative to the top left corner of the web page
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*/
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offset: function (el) {
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var offsets = el.getPosition(); // #1496
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return {
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left: offsets.x,
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top: offsets.y
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};
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},
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/**
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* Extends an object with Events, if its not done
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*/
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extendWithEvents: function (el) {
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// if the addEvent method is not defined, el is a custom Highcharts object
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// like series or point
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if (!el.addEvent) {
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if (el.nodeName) {
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el = $(el); // a dynamically generated node
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} else {
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$extend(el, new Events()); // a custom object
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}
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}
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},
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/**
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* Add an event listener
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* @param {Object} el HTML element or custom object
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* @param {String} type Event type
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* @param {Function} fn Event handler
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*/
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addEvent: function (el, type, fn) {
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if (typeof type === 'string') { // chart broke due to el being string, type function
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if (type === 'unload') { // Moo self destructs before custom unload events
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type = 'beforeunload';
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}
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win.HighchartsAdapter.extendWithEvents(el);
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el.addEvent(type, fn);
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}
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},
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removeEvent: function (el, type, fn) {
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if (typeof el === 'string') {
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// el.removeEvents below apperantly calls this method again. Do not quite understand why, so for now just bail out.
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return;
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}
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if (el.addEvent) { // If el doesn't have an addEvent method, there are no events to remove
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if (type) {
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if (type === 'unload') { // Moo self destructs before custom unload events
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type = 'beforeunload';
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}
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if (fn) {
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el.removeEvent(type, fn);
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} else if (el.removeEvents) { // #958
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el.removeEvents(type);
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}
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} else {
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el.removeEvents();
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}
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}
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},
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fireEvent: function (el, event, eventArguments, defaultFunction) {
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var eventArgs = {
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type: event,
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target: el
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};
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// create an event object that keeps all functions
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event = legacyEvent ? new Event(eventArgs) : new DOMEvent(eventArgs);
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event = $extend(event, eventArguments);
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// When running an event on the Chart.prototype, MooTools nests the target in event.event
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if (!event.target && event.event) {
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event.target = event.event.target;
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}
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// override the preventDefault function to be able to use
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// this for custom events
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event.preventDefault = function () {
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defaultFunction = null;
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};
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// if fireEvent is not available on the object, there hasn't been added
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// any events to it above
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if (el.fireEvent) {
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el.fireEvent(event.type, event);
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}
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// fire the default if it is passed and it is not prevented above
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if (defaultFunction) {
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defaultFunction(event);
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}
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},
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/**
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* Set back e.pageX and e.pageY that MooTools has abstracted away. #1165, #1346.
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*/
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washMouseEvent: function (e) {
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if (e.page) {
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e.pageX = e.page.x;
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e.pageY = e.page.y;
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}
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return e;
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},
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/**
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* Stop running animations on the object
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*/
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stop: function (el) {
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if (el.fx) {
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el.fx.cancel();
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}
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}
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};
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}());
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