/*!
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* Jasny Bootstrap v4.0.0 (http://jasny.github.io/bootstrap)
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* Copyright 2012-2014 Arnold Daniels
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* Licensed under Apache-2.0 (https://github.com/jasny/bootstrap/blob/master/LICENSE)
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*/
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+function ($) { "use strict";
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var isIE = window.navigator.appName == 'Microsoft Internet Explorer'
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// FILEUPLOAD PUBLIC CLASS DEFINITION
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// =================================
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var Fileinput = function (element, options) {
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this.$element = $(element)
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this.options = $.extend({}, Fileinput.DEFAULTS, options)
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this.$input = this.$element.find(':file')
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if (this.$input.length === 0) return
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this.name = this.$input.attr('name') || options.name
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this.$hidden = this.$element.find('input[type=hidden][name="' + this.name + '"]')
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if (this.$hidden.length === 0) {
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this.$hidden = $('<input type="hidden">').insertBefore(this.$input)
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}
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this.$preview = this.$element.find('.fileinput-preview')
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var height = this.$preview.css('height')
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if (this.$preview.css('display') !== 'inline' && height !== '0px' && height !== 'none') {
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this.$preview.css('line-height', height)
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}
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this.original = {
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exists: this.$element.hasClass('fileinput-exists'),
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preview: this.$preview.html(),
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hiddenVal: this.$hidden.val()
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}
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this.listen()
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this.reset()
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}
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Fileinput.DEFAULTS = {
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clearName: true
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}
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Fileinput.prototype.listen = function() {
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this.$input.on('change.bs.fileinput', $.proxy(this.change, this))
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$(this.$input[0].form).on('reset.bs.fileinput', $.proxy(this.reset, this))
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this.$element.find('[data-trigger="fileinput"]').on('click.bs.fileinput', $.proxy(this.trigger, this))
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this.$element.find('[data-dismiss="fileinput"]').on('click.bs.fileinput', $.proxy(this.clear, this))
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},
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Fileinput.prototype.verifySizes = function(files) {
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if (typeof this.options.maxSize === 'undefined') return true
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var max = parseFloat(this.options.maxSize)
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if (max !== this.options.maxSize) return true
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for (var i = 0; i < files.length; i++) {
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var size = typeof files[i].size !== 'undefined' ? files[i].size : null
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if (size === null) continue
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size = size / 1000 / 1000 /* convert from bytes to MB */
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if (size > max) return false
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}
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return true
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}
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Fileinput.prototype.change = function(e) {
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var files = e.target.files === undefined ? (e.target && e.target.value ? [{ name: e.target.value.replace(/^.+\\/, '')}] : []) : e.target.files
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e.stopPropagation()
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if (files.length === 0) {
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this.clear()
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this.$element.trigger('clear.bs.fileinput')
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return
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}
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if (!this.verifySizes(files)) {
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this.$element.trigger('max_size.bs.fileinput')
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this.clear()
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this.$element.trigger('clear.bs.fileinput')
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return
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}
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this.$hidden.val('')
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this.$hidden.attr('name', '')
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this.$input.attr('name', this.name)
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var file = files[0]
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if (this.$preview.length > 0 && (typeof file.type !== "undefined" ? file.type.match(/^image\/(gif|png|jpeg|svg\+xml)$/) : file.name.match(/\.(gif|png|jpe?g|svg)$/i)) && typeof FileReader !== "undefined") {
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var Fileinput = this
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var reader = new FileReader()
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var preview = this.$preview
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var element = this.$element
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reader.onload = function(re) {
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var $img = $('<img>')
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$img[0].src = re.target.result
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files[0].result = re.target.result
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element.find('.fileinput-filename').text(file.name)
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// if parent has max-height, using `(max-)height: 100%` on child doesn't take padding and border into account
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if (preview.css('max-height') != 'none') {
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var mh = parseInt(preview.css('max-height'), 10) || 0
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var pt = parseInt(preview.css('padding-top'), 10) || 0
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var pb = parseInt(preview.css('padding-bottom'), 10) || 0
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var bt = parseInt(preview.css('border-top'), 10) || 0
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var bb = parseInt(preview.css('border-bottom'), 10) || 0
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$img.css('max-height', mh - pt - pb - bt - bb)
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}
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preview.html($img)
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if (Fileinput.options.exif) {
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//Fix image tranformation if this is possible
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Fileinput.setImageTransform($img, file);
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}
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element.addClass('fileinput-exists').removeClass('fileinput-new')
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element.trigger('change.bs.fileinput', files)
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}
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reader.readAsDataURL(file)
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} else {
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var text = file.name
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var $nameView = this.$element.find('.fileinput-filename')
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if (files.length > 1) {
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text = $.map(files, function(file) {
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return file.name;
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}).join(', ')
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}
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$nameView.text(text)
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this.$preview.text(file.name)
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this.$element.addClass('fileinput-exists').removeClass('fileinput-new')
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this.$element.trigger('change.bs.fileinput')
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}
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},
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Fileinput.prototype.setImageTransform = function($img, file) {
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var Fileinput = this;
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var reader = new FileReader();
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reader.onload = function(me) {
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var transform = false;
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var view = new DataView(reader.result);
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var exif = Fileinput.getImageExif(view);
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if (exif) {
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Fileinput.resetOrientation($img, exif);
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}
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}
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reader.readAsArrayBuffer(file);
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}
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Fileinput.prototype.getImageExif = function(view) {
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if (view.getUint16(0, false) != 0xFFD8) {
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return -2;
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}
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var length = view.byteLength, offset = 2;
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while (offset < length) {
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var marker = view.getUint16(offset, false);
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offset += 2;
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if (marker == 0xFFE1) {
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if (view.getUint32(offset += 2, false) != 0x45786966) {
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return -1;
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}
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var little = view.getUint16(offset += 6, false) == 0x4949;
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offset += view.getUint32(offset + 4, little);
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var tags = view.getUint16(offset, little);
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offset += 2;
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for (var i = 0; i < tags; i++) {
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if (view.getUint16(offset + (i * 12), little) == 0x0112) {
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return view.getUint16(offset + (i * 12) + 8, little);
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}
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}
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}
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else if ((marker & 0xFF00) != 0xFF00){
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break;
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} else {
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offset += view.getUint16(offset, false);
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}
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}
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return -1;
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}
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Fileinput.prototype.resetOrientation = function($img, transform) {
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var img = new Image();
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img.onload = function() {
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var width = img.width,
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height = img.height,
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canvas = document.createElement('canvas'),
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ctx = canvas.getContext("2d");
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// set proper canvas dimensions before transform & export
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if ([5,6,7,8].indexOf(transform) > -1) {
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canvas.width = height;
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canvas.height = width;
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} else {
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canvas.width = width;
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canvas.height = height;
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}
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// transform context before drawing image
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switch (transform) {
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case 2: ctx.transform(-1, 0, 0, 1, width, 0); break;
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case 3: ctx.transform(-1, 0, 0, -1, width, height ); break;
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case 4: ctx.transform(1, 0, 0, -1, 0, height ); break;
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case 5: ctx.transform(0, 1, 1, 0, 0, 0); break;
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case 6: ctx.transform(0, 1, -1, 0, height , 0); break;
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case 7: ctx.transform(0, -1, -1, 0, height , width); break;
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case 8: ctx.transform(0, -1, 1, 0, 0, width); break;
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default: ctx.transform(1, 0, 0, 1, 0, 0);
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}
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// draw image
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ctx.drawImage(img, 0, 0);
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// export base64
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$img.attr('src', canvas.toDataURL());
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};
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img.src = $img.attr('src');
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};
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Fileinput.prototype.clear = function(e) {
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if (e) e.preventDefault()
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this.$hidden.val('')
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this.$hidden.attr('name', this.name)
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if (this.options.clearName) this.$input.attr('name', '')
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//ie8+ doesn't support changing the value of input with type=file so clone instead
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if (isIE) {
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var inputClone = this.$input.clone(true);
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this.$input.after(inputClone);
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this.$input.remove();
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this.$input = inputClone;
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} else {
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this.$input.val('')
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}
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this.$preview.html('')
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this.$element.find('.fileinput-filename').text('')
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this.$element.addClass('fileinput-new').removeClass('fileinput-exists')
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if (e !== undefined) {
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this.$input.trigger('change')
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this.$element.trigger('clear.bs.fileinput')
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}
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},
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Fileinput.prototype.reset = function() {
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this.clear()
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this.$hidden.val(this.original.hiddenVal)
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this.$preview.html(this.original.preview)
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this.$element.find('.fileinput-filename').text('')
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if (this.original.exists) this.$element.addClass('fileinput-exists').removeClass('fileinput-new')
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else this.$element.addClass('fileinput-new').removeClass('fileinput-exists')
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this.$element.trigger('reseted.bs.fileinput')
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},
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Fileinput.prototype.trigger = function(e) {
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this.$input.trigger('click')
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e.preventDefault()
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}
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// FILEUPLOAD PLUGIN DEFINITION
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// ===========================
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var old = $.fn.fileinput
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$.fn.fileinput = function (options) {
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return this.each(function () {
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var $this = $(this),
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data = $this.data('bs.fileinput')
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if (!data) $this.data('bs.fileinput', (data = new Fileinput(this, options)))
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if (typeof options == 'string') data[options]()
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})
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}
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$.fn.fileinput.Constructor = Fileinput
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// FILEINPUT NO CONFLICT
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// ====================
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$.fn.fileinput.noConflict = function () {
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$.fn.fileinput = old
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return this
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}
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// FILEUPLOAD DATA-API
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// ==================
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$(document).on('click.fileinput.data-api', '[data-provides="fileinput"]', function (e) {
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var $this = $(this)
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if ($this.data('bs.fileinput')) return
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$this.fileinput($this.data())
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var $target = $(e.target).closest('[data-dismiss="fileinput"],[data-trigger="fileinput"]');
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if ($target.length > 0) {
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e.preventDefault()
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$target.trigger('click.bs.fileinput')
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}
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})
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}(window.jQuery);
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