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+/*
+ * jQuery File Upload User Interface Plugin 9.5.1
+ * https://github.com/blueimp/jQuery-File-Upload
+ *
+ * Copyright 2010, Sebastian Tschan
+ * https://blueimp.net
+ *
+ * Licensed under the MIT license:
+ * http://www.opensource.org/licenses/MIT
+ */
+
+/* jshint nomen:false */
+/* global define, window */
+
+(function (factory) {
+ 'use strict';
+ if (typeof define === 'function' && define.amd) {
+ // Register as an anonymous AMD module:
+ define([
+ 'jquery',
+ 'tmpl',
+ './jquery.fileupload-image',
+ './jquery.fileupload-audio',
+ './jquery.fileupload-video',
+ './jquery.fileupload-validate'
+ ], factory);
+ } else {
+ // Browser globals:
+ factory(
+ window.jQuery,
+ window.tmpl
+ );
+ }
+}(function ($, tmpl) {
+ 'use strict';
+
+ $.blueimp.fileupload.prototype._specialOptions.push(
+ 'filesContainer',
+ 'uploadTemplateId',
+ 'downloadTemplateId'
+ );
+
+ // The UI version extends the file upload widget
+ // and adds complete user interface interaction:
+ $.widget('blueimp.fileupload', $.blueimp.fileupload, {
+
+ options: {
+ // By default, files added to the widget are uploaded as soon
+ // as the user clicks on the start buttons. To enable automatic
+ // uploads, set the following option to true:
+ autoUpload: false,
+ // The ID of the upload template:
+ uploadTemplateId: 'template-upload',
+ // The ID of the download template:
+ downloadTemplateId: 'template-download',
+ // The container for the list of files. If undefined, it is set to
+ // an element with class "files" inside of the widget element:
+ filesContainer: undefined,
+ // By default, files are appended to the files container.
+ // Set the following option to true, to prepend files instead:
+ prependFiles: false,
+ // The expected data type of the upload response, sets the dataType
+ // option of the $.ajax upload requests:
+ dataType: 'json',
+
+ // Function returning the current number of files,
+ // used by the maxNumberOfFiles validation:
+ getNumberOfFiles: function () {
+ return this.filesContainer.children()
+ .not('.processing').length;
+ },
+
+ // Callback to retrieve the list of files from the server response:
+ getFilesFromResponse: function (data) {
+ if (data.result && $.isArray(data.result.files)) {
+ return data.result.files;
+ }
+ return [];
+ },
+
+ // The add callback is invoked as soon as files are added to the fileupload
+ // widget (via file input selection, drag & drop or add API call).
+ // See the basic file upload widget for more information:
+ add: function (e, data) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ var $this = $(this),
+ that = $this.data('blueimp-fileupload') ||
+ $this.data('fileupload'),
+ options = that.options;
+ data.context = that._renderUpload(data.files)
+ .data('data', data)
+ .addClass('processing');
+ options.filesContainer[
+ options.prependFiles ? 'prepend' : 'append'
+ ](data.context);
+ that._forceReflow(data.context);
+ $.when(
+ that._transition(data.context),
+ data.process(function () {
+ return $this.fileupload('process', data);
+ })
+ ).always(function () {
+ data.context.each(function (index) {
+ $(this).find('.size').text(
+ that._formatFileSize(data.files[index].size)
+ );
+ }).removeClass('processing');
+ that._renderPreviews(data);
+ }).done(function () {
+ data.context.find('.start').prop('disabled', false);
+ if ((that._trigger('added', e, data) !== false) &&
+ (options.autoUpload || data.autoUpload) &&
+ data.autoUpload !== false) {
+ data.submit();
+ }
+ }).fail(function () {
+ if (data.files.error) {
+ data.context.each(function (index) {
+ var error = data.files[index].error;
+ if (error) {
+ $(this).find('.error').text(error);
+ }
+ });
+ }
+ });
+ },
+ // Callback for the start of each file upload request:
+ send: function (e, data) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ var that = $(this).data('blueimp-fileupload') ||
+ $(this).data('fileupload');
+ if (data.context && data.dataType &&
+ data.dataType.substr(0, 6) === 'iframe') {
+ // Iframe Transport does not support progress events.
+ // In lack of an indeterminate progress bar, we set
+ // the progress to 100%, showing the full animated bar:
+ data.context
+ .find('.progress').addClass(
+ !$.support.transition && 'progress-animated'
+ )
+ .attr('aria-valuenow', 100)
+ .children().first().css(
+ 'width',
+ '100%'
+ );
+ }
+ return that._trigger('sent', e, data);
+ },
+ // Callback for successful uploads:
+ done: function (e, data) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ var that = $(this).data('blueimp-fileupload') ||
+ $(this).data('fileupload'),
+ getFilesFromResponse = data.getFilesFromResponse ||
+ that.options.getFilesFromResponse,
+ files = getFilesFromResponse(data),
+ template,
+ deferred;
+ if (data.context) {
+ data.context.each(function (index) {
+ var file = files[index] ||
+ {error: 'Empty file upload result'};
+ deferred = that._addFinishedDeferreds();
+ that._transition($(this)).done(
+ function () {
+ var node = $(this);
+ template = that._renderDownload([file])
+ .replaceAll(node);
+ that._forceReflow(template);
+ that._transition(template).done(
+ function () {
+ data.context = $(this);
+ that._trigger('completed', e, data);
+ that._trigger('finished', e, data);
+ deferred.resolve();
+ }
+ );
+ }
+ );
+ });
+ } else {
+ template = that._renderDownload(files)[
+ that.options.prependFiles ? 'prependTo' : 'appendTo'
+ ](that.options.filesContainer);
+ that._forceReflow(template);
+ deferred = that._addFinishedDeferreds();
+ that._transition(template).done(
+ function () {
+ data.context = $(this);
+ that._trigger('completed', e, data);
+ that._trigger('finished', e, data);
+ deferred.resolve();
+ }
+ );
+ }
+ },
+ // Callback for failed (abort or error) uploads:
+ fail: function (e, data) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ var that = $(this).data('blueimp-fileupload') ||
+ $(this).data('fileupload'),
+ template,
+ deferred;
+ if (data.context) {
+ data.context.each(function (index) {
+ if (data.errorThrown !== 'abort') {
+ var file = data.files[index];
+ file.error = file.error || data.errorThrown ||
+ true;
+ deferred = that._addFinishedDeferreds();
+ that._transition($(this)).done(
+ function () {
+ var node = $(this);
+ template = that._renderDownload([file])
+ .replaceAll(node);
+ that._forceReflow(template);
+ that._transition(template).done(
+ function () {
+ data.context = $(this);
+ that._trigger('failed', e, data);
+ that._trigger('finished', e, data);
+ deferred.resolve();
+ }
+ );
+ }
+ );
+ } else {
+ deferred = that._addFinishedDeferreds();
+ that._transition($(this)).done(
+ function () {
+ $(this).remove();
+ that._trigger('failed', e, data);
+ that._trigger('finished', e, data);
+ deferred.resolve();
+ }
+ );
+ }
+ });
+ } else if (data.errorThrown !== 'abort') {
+ data.context = that._renderUpload(data.files)[
+ that.options.prependFiles ? 'prependTo' : 'appendTo'
+ ](that.options.filesContainer)
+ .data('data', data);
+ that._forceReflow(data.context);
+ deferred = that._addFinishedDeferreds();
+ that._transition(data.context).done(
+ function () {
+ data.context = $(this);
+ that._trigger('failed', e, data);
+ that._trigger('finished', e, data);
+ deferred.resolve();
+ }
+ );
+ } else {
+ that._trigger('failed', e, data);
+ that._trigger('finished', e, data);
+ that._addFinishedDeferreds().resolve();
+ }
+ },
+ // Callback for upload progress events:
+ progress: function (e, data) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ var progress = Math.floor(data.loaded / data.total * 100);
+ if (data.context) {
+ data.context.each(function () {
+ $(this).find('.progress')
+ .attr('aria-valuenow', progress)
+ .children().first().css(
+ 'width',
+ progress + '%'
+ );
+ });
+ }
+ },
+ // Callback for global upload progress events:
+ progressall: function (e, data) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ var $this = $(this),
+ progress = Math.floor(data.loaded / data.total * 100),
+ globalProgressNode = $this.find('.fileupload-progress'),
+ extendedProgressNode = globalProgressNode
+ .find('.progress-extended');
+ if (extendedProgressNode.length) {
+ extendedProgressNode.html(
+ ($this.data('blueimp-fileupload') || $this.data('fileupload'))
+ ._renderExtendedProgress(data)
+ );
+ }
+ globalProgressNode
+ .find('.progress')
+ .attr('aria-valuenow', progress)
+ .children().first().css(
+ 'width',
+ progress + '%'
+ );
+ },
+ // Callback for uploads start, equivalent to the global ajaxStart event:
+ start: function (e) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ var that = $(this).data('blueimp-fileupload') ||
+ $(this).data('fileupload');
+ that._resetFinishedDeferreds();
+ that._transition($(this).find('.fileupload-progress')).done(
+ function () {
+ that._trigger('started', e);
+ }
+ );
+ },
+ // Callback for uploads stop, equivalent to the global ajaxStop event:
+ stop: function (e) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ var that = $(this).data('blueimp-fileupload') ||
+ $(this).data('fileupload'),
+ deferred = that._addFinishedDeferreds();
+ $.when.apply($, that._getFinishedDeferreds())
+ .done(function () {
+ that._trigger('stopped', e);
+ });
+ that._transition($(this).find('.fileupload-progress')).done(
+ function () {
+ $(this).find('.progress')
+ .attr('aria-valuenow', '0')
+ .children().first().css('width', '0%');
+ $(this).find('.progress-extended').html(' ');
+ deferred.resolve();
+ }
+ );
+ },
+ processstart: function (e) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ $(this).addClass('fileupload-processing');
+ },
+ processstop: function (e) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ $(this).removeClass('fileupload-processing');
+ },
+ // Callback for file deletion:
+ destroy: function (e, data) {
+ if (e.isDefaultPrevented()) {
+ return false;
+ }
+ var that = $(this).data('blueimp-fileupload') ||
+ $(this).data('fileupload'),
+ removeNode = function () {
+ that._transition(data.context).done(
+ function () {
+ $(this).remove();
+ that._trigger('destroyed', e, data);
+ }
+ );
+ };
+ if (data.url) {
+ data.dataType = data.dataType || that.options.dataType;
+ $.ajax(data).done(removeNode).fail(function () {
+ that._trigger('destroyfailed', e, data);
+ });
+ } else {
+ removeNode();
+ }
+ }
+ },
+
+ _resetFinishedDeferreds: function () {
+ this._finishedUploads = [];
+ },
+
+ _addFinishedDeferreds: function (deferred) {
+ if (!deferred) {
+ deferred = $.Deferred();
+ }
+ this._finishedUploads.push(deferred);
+ return deferred;
+ },
+
+ _getFinishedDeferreds: function () {
+ return this._finishedUploads;
+ },
+
+ // Link handler, that allows to download files
+ // by drag & drop of the links to the desktop:
+ _enableDragToDesktop: function () {
+ var link = $(this),
+ url = link.prop('href'),
+ name = link.prop('download'),
+ type = 'application/octet-stream';
+ link.bind('dragstart', function (e) {
+ try {
+ e.originalEvent.dataTransfer.setData(
+ 'DownloadURL',
+ [type, name, url].join(':')
+ );
+ } catch (ignore) {}
+ });
+ },
+
+ _formatFileSize: function (bytes) {
+ if (typeof bytes !== 'number') {
+ return '';
+ }
+ if (bytes >= 1000000000) {
+ return (bytes / 1000000000).toFixed(2) + ' GB';
+ }
+ if (bytes >= 1000000) {
+ return (bytes / 1000000).toFixed(2) + ' MB';
+ }
+ return (bytes / 1000).toFixed(2) + ' KB';
+ },
+
+ _formatBitrate: function (bits) {
+ if (typeof bits !== 'number') {
+ return '';
+ }
+ if (bits >= 1000000000) {
+ return (bits / 1000000000).toFixed(2) + ' Gbit/s';
+ }
+ if (bits >= 1000000) {
+ return (bits / 1000000).toFixed(2) + ' Mbit/s';
+ }
+ if (bits >= 1000) {
+ return (bits / 1000).toFixed(2) + ' kbit/s';
+ }
+ return bits.toFixed(2) + ' bit/s';
+ },
+
+ _formatTime: function (seconds) {
+ var date = new Date(seconds * 1000),
+ days = Math.floor(seconds / 86400);
+ days = days ? days + 'd ' : '';
+ return days +
+ ('0' + date.getUTCHours()).slice(-2) + ':' +
+ ('0' + date.getUTCMinutes()).slice(-2) + ':' +
+ ('0' + date.getUTCSeconds()).slice(-2);
+ },
+
+ _formatPercentage: function (floatValue) {
+ return (floatValue * 100).toFixed(2) + ' %';
+ },
+
+ _renderExtendedProgress: function (data) {
+ return this._formatBitrate(data.bitrate) + ' | ' +
+ this._formatTime(
+ (data.total - data.loaded) * 8 / data.bitrate
+ ) + ' | ' +
+ this._formatPercentage(
+ data.loaded / data.total
+ ) + ' | ' +
+ this._formatFileSize(data.loaded) + ' / ' +
+ this._formatFileSize(data.total);
+ },
+
+ _renderTemplate: function (func, files) {
+ if (!func) {
+ return $();
+ }
+ var result = func({
+ files: files,
+ formatFileSize: this._formatFileSize,
+ options: this.options
+ });
+ if (result instanceof $) {
+ return result;
+ }
+ return $(this.options.templatesContainer).html(result).children();
+ },
+
+ _renderPreviews: function (data) {
+ data.context.find('.preview').each(function (index, elm) {
+ $(elm).append(data.files[index].preview);
+ });
+ },
+
+ _renderUpload: function (files) {
+ return this._renderTemplate(
+ this.options.uploadTemplate,
+ files
+ );
+ },
+
+ _renderDownload: function (files) {
+ return this._renderTemplate(
+ this.options.downloadTemplate,
+ files
+ ).find('a[download]').each(this._enableDragToDesktop).end();
+ },
+
+ _startHandler: function (e) {
+ e.preventDefault();
+ var button = $(e.currentTarget),
+ template = button.closest('.template-upload'),
+ data = template.data('data');
+ button.prop('disabled', true);
+ if (data && data.submit) {
+ data.submit();
+ }
+ },
+
+ _cancelHandler: function (e) {
+ e.preventDefault();
+ var template = $(e.currentTarget)
+ .closest('.template-upload,.template-download'),
+ data = template.data('data') || {};
+ data.context = data.context || template;
+ if (data.abort) {
+ data.abort();
+ } else {
+ data.errorThrown = 'abort';
+ this._trigger('fail', e, data);
+ }
+ },
+
+ _deleteHandler: function (e) {
+ e.preventDefault();
+ var button = $(e.currentTarget);
+ this._trigger('destroy', e, $.extend({
+ context: button.closest('.template-download'),
+ type: 'DELETE'
+ }, button.data()));
+ },
+
+ _forceReflow: function (node) {
+ return $.support.transition && node.length &&
+ node[0].offsetWidth;
+ },
+
+ _transition: function (node) {
+ var dfd = $.Deferred();
+ if ($.support.transition && node.hasClass('fade') && node.is(':visible')) {
+ node.bind(
+ $.support.transition.end,
+ function (e) {
+ // Make sure we don't respond to other transitions events
+ // in the container element, e.g. from button elements:
+ if (e.target === node[0]) {
+ node.unbind($.support.transition.end);
+ dfd.resolveWith(node);
+ }
+ }
+ ).toggleClass('in');
+ } else {
+ node.toggleClass('in');
+ dfd.resolveWith(node);
+ }
+ return dfd;
+ },
+
+ _initButtonBarEventHandlers: function () {
+ var fileUploadButtonBar = this.element.find('.fileupload-buttonbar'),
+ filesList = this.options.filesContainer;
+ this._on(fileUploadButtonBar.find('.start'), {
+ click: function (e) {
+ e.preventDefault();
+ filesList.find('.start').click();
+ }
+ });
+ this._on(fileUploadButtonBar.find('.cancel'), {
+ click: function (e) {
+ e.preventDefault();
+ filesList.find('.cancel').click();
+ }
+ });
+ this._on(fileUploadButtonBar.find('.delete'), {
+ click: function (e) {
+ e.preventDefault();
+ filesList.find('.toggle:checked')
+ .closest('.template-download')
+ .find('.delete').click();
+ fileUploadButtonBar.find('.toggle')
+ .prop('checked', false);
+ }
+ });
+ this._on(fileUploadButtonBar.find('.toggle'), {
+ change: function (e) {
+ filesList.find('.toggle').prop(
+ 'checked',
+ $(e.currentTarget).is(':checked')
+ );
+ }
+ });
+ },
+
+ _destroyButtonBarEventHandlers: function () {
+ this._off(
+ this.element.find('.fileupload-buttonbar')
+ .find('.start, .cancel, .delete'),
+ 'click'
+ );
+ this._off(
+ this.element.find('.fileupload-buttonbar .toggle'),
+ 'change.'
+ );
+ },
+
+ _initEventHandlers: function () {
+ this._super();
+ this._on(this.options.filesContainer, {
+ 'click .start': this._startHandler,
+ 'click .cancel': this._cancelHandler,
+ 'click .delete': this._deleteHandler
+ });
+ this._initButtonBarEventHandlers();
+ },
+
+ _destroyEventHandlers: function () {
+ this._destroyButtonBarEventHandlers();
+ this._off(this.options.filesContainer, 'click');
+ this._super();
+ },
+
+ _enableFileInputButton: function () {
+ this.element.find('.fileinput-button input')
+ .prop('disabled', false)
+ .parent().removeClass('disabled');
+ },
+
+ _disableFileInputButton: function () {
+ this.element.find('.fileinput-button input')
+ .prop('disabled', true)
+ .parent().addClass('disabled');
+ },
+
+ _initTemplates: function () {
+ var options = this.options;
+ options.templatesContainer = this.document[0].createElement(
+ options.filesContainer.prop('nodeName')
+ );
+ if (tmpl) {
+ if (options.uploadTemplateId) {
+ options.uploadTemplate = tmpl(options.uploadTemplateId);
+ }
+ if (options.downloadTemplateId) {
+ options.downloadTemplate = tmpl(options.downloadTemplateId);
+ }
+ }
+ },
+
+ _initFilesContainer: function () {
+ var options = this.options;
+ if (options.filesContainer === undefined) {
+ options.filesContainer = this.element.find('.files');
+ } else if (!(options.filesContainer instanceof $)) {
+ options.filesContainer = $(options.filesContainer);
+ }
+ },
+
+ _initSpecialOptions: function () {
+ this._super();
+ this._initFilesContainer();
+ this._initTemplates();
+ },
+
+ _create: function () {
+ this._super();
+ this._resetFinishedDeferreds();
+ if (!$.support.fileInput) {
+ this._disableFileInputButton();
+ }
+ },
+
+ enable: function () {
+ var wasDisabled = false;
+ if (this.options.disabled) {
+ wasDisabled = true;
+ }
+ this._super();
+ if (wasDisabled) {
+ this.element.find('input, button').prop('disabled', false);
+ this._enableFileInputButton();
+ }
+ },
+
+ disable: function () {
+ if (!this.options.disabled) {
+ this.element.find('input, button').prop('disabled', true);
+ this._disableFileInputButton();
+ }
+ this._super();
+ }
+
+ });
+
+}));