606 lines
15 KiB
JavaScript
606 lines
15 KiB
JavaScript
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webshims.ready('jme-base DOM', function(){
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"use strict";
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var webshims = window.webshims;
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var $ = webshims.$;
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var jme = $.jme;
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var listId = 0;
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var btnStructure = '<button class="{%class%}" type="button" aria-label="{%text%}"></button>';
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function PlaylistList(data){
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this._data = data;
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this.lists = {};
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this.on('showcontrolschange', this._updateControlsClass);
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}
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$.extend(PlaylistList.prototype, {
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on: function(){
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$.fn.on.apply($(this), arguments);
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},
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off: function(){
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$.fn.off.apply($(this), arguments);
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},
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_getListId: function(list){
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var id;
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if(typeof list == 'string'){
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id = list;
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} else {
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id = list.id;
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}
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return id;
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},
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_updateControlsClass: function(){
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this._data.player[this.getShowcontrolsList() ? 'addClass' : 'removeClass']('has-playlist');
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},
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add: function(list, opts){
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list = new Playlist(list, this, opts);
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if(!list.id){
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listId++;
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list.id = 'list-'+listId;
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}
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this.lists[list.id] = list;
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if(list.options.showcontrols){
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this._data.player.addClass('has-playlist');
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}
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return list;
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},
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remove: function(list){
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var id = this._getListId(list);
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if(this.lists[id]){
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this.lists[id]._remove();
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delete this.lists[id];
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}
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if(!this.getShowcontrolsList()){
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this._data.player.removeClass('has-playlist');
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}
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},
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getAutoplayList: function(){
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var clist = null;
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$.each(this.lists, function(id, list){
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if(list.options.autoplay){
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clist = list;
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return false;
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}
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});
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return clist;
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},
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getShowcontrolsList: function(){
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var clist = null;
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$.each(this.lists, function(id, list){
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if(list.options.showcontrols){
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clist = list;
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return false;
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}
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});
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return clist;
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}
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});
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function Playlist(list, parent, opts){
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this.list = list || [];
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this.playlists = parent;
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this.media = parent._data.media;
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this.player = parent._data.player;
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this.options = $.extend(true, {}, Playlist.defaults, opts);
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this.options.itemTmpl = this.options.itemTmpl.trim();
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this.deferred = $.Deferred();
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this._selectedIndex = -1;
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this._selectedItem = null;
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this.$rendered = null;
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this._detectListType();
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this.autoplay(this.options.autoplay);
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this.deferred.done(function(){
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this._addEvents(this);
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if(this.options.defaultSelected == 'auto' && !this.media.jmeProp('srces').length){
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this.options.defaultSelected = 0;
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}
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if(this.list[this.options.defaultSelected]){
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this.selectedIndex(this.options.defaultSelected);
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}
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this._fire('addlist');
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});
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}
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Playlist.getText = function($elem){
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return $elem.attr('content') || ($elem.text() || '').trim();
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};
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Playlist.getUrl = function($elem){
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return $elem.attr('content') || $elem.attr('url') || $elem.attr('href') || $elem.attr('src') || ($elem.text() || '').trim();
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};
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Playlist.defaults = {
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loop: false,
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autoplay: false,
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defaultSelected: 'auto',
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addItemEvents: true,
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showcontrols: true,
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ajax: {},
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itemTmpl: '<li class="list-item">' +
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'<% if(typeof poster == "string" && poster) {%><img src="<%=poster%>" /><% }%>' +
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'<h3><%=title%></h3>' +
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'<% if(typeof description == "string" && description) {%><div class="item-description"><%=description%></div><% }%>' +
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'</li>',
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renderer: function(item, template){
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return $.jme.tmpl(template, item);
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},
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mapDom: function(element){
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return {
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title: Playlist.getText($('[itemprop="name"], h1, h2, h3, h4, h5, h6, a', element)),
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srces: $('[itemprop="contentUrl"], a[type^="video"], a[type^="audio"]', element).map(function(){
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var tmp;
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var src = {src: Playlist.getUrl($(this))};
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if(this.nodeName.toLowerCase() == 'a'){
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tmp = $.prop(this, 'type');
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} else {
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tmp = Playlist.getText($('[itemprop="encodingFormat"]', element));
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}
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if(tmp){
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src.type = tmp;
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}
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tmp = $.attr(this, 'data-media');
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if(tmp){
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src.media = tmp;
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}
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return src;
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}).get(),
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tracks: $('a[type="text/vtt"]').map(mapTrackUrl).get(),
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poster: Playlist.getUrl($('[itemprop="thumbnailUrl"], a[type^="image"], img', element)) || null,
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description: Playlist.getText($('[itemprop="description"], .item-description, p', element)) || null
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};
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},
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mapUrl: function(opts, callback){
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$.ajax($.extend(opts, {
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success: function(data){
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var list;
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if($.isArray(data)){
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list = data;
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} else if(data.responseData && data.responseData.feed){
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data = data.responseData.feed;
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list = (data.entries || []).map(mapJsonFeed);
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} else {
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list = [];
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$('item', data).each(function(){
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var srces = $('enclosure, media\\:content', this)
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.filter('[type^="video"], [type^="audio"]')
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.map(mapUrl)
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.get()
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;
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if(srces.length){
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list.push({
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title: $('title', this).html(),
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srces: srces,
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publishedDate: $('pubDate', this).html() || null,
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description: $('description', this).text() || null,
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poster: Playlist.getUrl($('itunes\\:image, media\\:thumbnail, enclosure[type^="image"], media\\:content[type^="image"]', this)) || null,
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author: $('itunes\\:author', this).html() || null,
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duration: $('itunes\\:duration', this).html() || null,
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tracks: $('media\\:subTitle', this).map(mapTrackUrl).get() || null
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});
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}
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});
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}
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if(list != data){
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list.fullData = data;
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}
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callback(list);
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}
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}));
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}
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};
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function mapJsonFeed(item){
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item.description = item.description || item.content;
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item.srces = [];
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(item.mediaGroups || []).forEach(function(mediagroup){
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(mediagroup.contents || []).forEach(function(itemSrc){
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itemSrc.src = itemSrc.src || itemSrc.url;
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item.srces.push(itemSrc);
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});
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});
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return item;
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}
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function mapTrackUrl(){
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return {
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src: $.attr(this, 'href'),
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srclang: $.attr(this, 'lang'),
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label: $.attr(this, 'data-label')
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};
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}
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function mapUrl(){
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return {
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src: $.attr(this, 'url') || $.attr(this, 'href'),
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type: $.attr(this, 'type')
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};
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}
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function filterNode(){
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return this.nodeType == 1;
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}
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$.extend(Playlist.prototype, {
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on: function(){
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$.fn.on.apply($(this), arguments);
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},
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off: function(){
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$.fn.off.apply($(this), arguments);
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},
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_detectListType: function(){
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var fullData;
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if(typeof this.list == 'string'){
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this._createListFromUrl();
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return;
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}
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if(this.list.nodeName || (this.list.length > 0 && this.list[0].nodeName)){
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this._createListFromDom();
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} else if(this.list.responseData && this.list.responseData.feed){
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fullData = this.list.responseData.feed;
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this.list = (fullData.entries || []).map(mapJsonFeed);
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this.list.fullData = fullData;
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}
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this.deferred.resolveWith(this);
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},
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_createListFromUrl: function(){
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var that = this;
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this.options.ajax.url = this.list;
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this.options.mapUrl(this.options.ajax, function(list){
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that.list = list;
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that.deferred.resolveWith(that);
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});
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},
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_createListFromDom: function(){
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var that = this;
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this.$rendered = $(this.list).eq(0);
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this.list = [];
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if(this.$rendered){
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this._addDomList();
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this.list = this.$rendered.children().map(function(){
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return that._createItemFromDom(this);
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}).get();
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}
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},
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_createItemFromDom: function(dom){
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var item = this.options.mapDom(dom);
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this._addItemData(item, dom);
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return item;
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},
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_fire: function(evt, extra){
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var evt = $.Event(evt);
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$(this).triggerHandler(evt, extra);
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$(this.playlists).triggerHandler(evt, $.merge([{list: this}], extra || []));
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if(this.$rendered){
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this.$rendered.triggerHandler(evt, extra);
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}
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},
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_addDomList: function(){
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this.$rendered
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.attr({
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'data-autoplay': this.options.autoplay,
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'data-loop': this.options.loop
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})
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.addClass('media-playlist')
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.data('playlist', this)
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;
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},
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_addItemData: function(item, dom){
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var that = this;
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item.$item = $(dom).data('itemData', item);
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if(item == this._selectedItem){
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item.$item.addClass('selected-item');
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}
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if(this.options.addItemEvents){
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item.$item.on('click.playlist', function(e){
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if(that.options.addItemEvents){
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that.playItem(item, e);
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return false;
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}
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});
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}
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},
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_addEvents: function(that){
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var o = that.options;
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var onEnded = function(e){
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if(o.autoplay){
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that.playNext(e);
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}
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};
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this.media.on('ended', onEnded);
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this._remove = function(){
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that.media.off('ended', onEnded);
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that.autoplay(false);
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if(that.$rendered){
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that.$rendered.remove();
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}
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that._fire('removelist');
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};
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},
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_remove: function(){
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this._fire('removelist');
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},
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render: function(callback){
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if(this.$rendered){
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callback(this.$rendered, this.player, this);
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} else {
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this.deferred.done(function(){
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var nodeName;
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var that = this;
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var items = [];
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if(!this.$rendered){
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$.each(this.list, function(i, item){
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var domItem = $($.parseHTML(that.options.renderer(item, that.options.itemTmpl))).filter(filterNode)[0];
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that._addItemData(item, domItem);
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items.push(domItem);
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});
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nodeName = (items[0] && items[0].nodeName || '').toLowerCase();
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switch (nodeName){
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case 'li':
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this.$rendered = $.parseHTML('<ul />');
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break;
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case 'option':
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this.$rendered = $.parseHTML('<select />');
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break;
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default:
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this.$rendered = $.parseHTML('<div />');
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break;
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}
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this.$rendered = $(this.$rendered).html(items);
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this._addDomList();
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}
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callback(this.$rendered, this.player, this);
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});
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}
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},
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/*
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addItem: function(item, pos){
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},
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removeItem: function(item){
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},
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*/
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_loadItem: function(item){
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var media = this.media;
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media.attr('poster', item.poster || '');
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$('track', media).remove();
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$.each(item.tracks || [], function(i, track){
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$('<track />').attr(track).appendTo(media);
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});
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if(!item.srces){
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item.srces = item;
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}
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media.jmeProp('srces', item.srces);
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},
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|
|
_getItem: function(item){
|
||
|
|
if(item && (item.nodeName || item.jquery || typeof item == 'string')){
|
||
|
|
item = $(item).data('itemData');
|
||
|
|
}
|
||
|
|
return item;
|
||
|
|
},
|
||
|
|
playItem: function(item, e){
|
||
|
|
var media;
|
||
|
|
this.selectedItem(item, e);
|
||
|
|
if(item){
|
||
|
|
media = this.media.play();
|
||
|
|
setTimeout(function(){
|
||
|
|
media.play();
|
||
|
|
}, 9);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
selectedIndex: function(index, e){
|
||
|
|
if(arguments.length){
|
||
|
|
this.selectedItem(this.list[index], e);
|
||
|
|
} else {
|
||
|
|
return this._selectedIndex;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
|
||
|
|
selectedItem: function(item, e){
|
||
|
|
var oldItem, found;
|
||
|
|
|
||
|
|
if(arguments.length){
|
||
|
|
found = -1;
|
||
|
|
item = this._getItem(item);
|
||
|
|
if(item){
|
||
|
|
$.each(this.list, function(i){
|
||
|
|
if(item == this){
|
||
|
|
found = i;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
if(found >= 0){
|
||
|
|
this._loadItem(this.list[found]);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(found != this._selectedIndex){
|
||
|
|
oldItem = this._selectedItem || null;
|
||
|
|
if(oldItem && oldItem.$item){
|
||
|
|
oldItem.$item.removeClass('selected-item');
|
||
|
|
}
|
||
|
|
this._selectedItem = this.list[found] || null;
|
||
|
|
this._selectedIndex = found;
|
||
|
|
if(this._selectedItem && this._selectedItem.$item){
|
||
|
|
this._selectedItem.$item.addClass('selected-item');
|
||
|
|
}
|
||
|
|
if(oldItem !== this._selectedItem){
|
||
|
|
this._fire('itemchange', [{oldItem: oldItem, from: e || null}]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
} else {
|
||
|
|
return this._selectedItem;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
playNext: function(){
|
||
|
|
var item = this.getNext();
|
||
|
|
if(item){
|
||
|
|
this.playItem(item);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
playPrev: function(){
|
||
|
|
var item = this.getPrev();
|
||
|
|
if(item){
|
||
|
|
this.playItem(item);
|
||
|
|
}
|
||
|
|
},
|
||
|
|
getNext: function(){
|
||
|
|
var index = this._selectedIndex + 1;
|
||
|
|
return this.list[index] || (this.options.loop ? this.list[0] : null);
|
||
|
|
},
|
||
|
|
getPrev: function(){
|
||
|
|
var index = this._selectedIndex - 1;
|
||
|
|
return this.list[index] || (this.options.loop ? this.list[this.list.length - 1] : null);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
[{name: 'autoplay', fn: 'getAutoplayList'}, {name: 'showcontrols', fn: 'getShowcontrolsList'}, {name: 'loop'}].forEach(function(desc){
|
||
|
|
Playlist.prototype[desc.name] = function(value){
|
||
|
|
var curList;
|
||
|
|
if(arguments.length){
|
||
|
|
value = !!value;
|
||
|
|
|
||
|
|
if(value && desc.fn){
|
||
|
|
curList = this.playlists[desc.fn]();
|
||
|
|
if(curList && curList != this){
|
||
|
|
curList[desc.name](false);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(this.options[desc.name] != value){
|
||
|
|
this.options[desc.name] = value;
|
||
|
|
if(this.$rendered){
|
||
|
|
this.$rendered.attr('data-'+desc.name, value);
|
||
|
|
}
|
||
|
|
this._fire(desc.name+'change');
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
return this.options[desc.name];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
jme.defineProp('playlists', {
|
||
|
|
writable: false,
|
||
|
|
get: function(elem){
|
||
|
|
var data = $.jme.data(elem);
|
||
|
|
|
||
|
|
if(elem != data.player[0]){return null;}
|
||
|
|
if(!data.playlists){
|
||
|
|
data.playlists = new PlaylistList(data);
|
||
|
|
}
|
||
|
|
return data.playlists;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
jme.defineMethod('addPlaylist', function(list, options){
|
||
|
|
var playlists = $.jme.prop(this, 'playlists');
|
||
|
|
if(playlists && playlists.add){
|
||
|
|
return playlists.add(list, options);
|
||
|
|
}
|
||
|
|
return null;
|
||
|
|
});
|
||
|
|
|
||
|
|
[
|
||
|
|
{name: 'playlist-prev', text: 'previous', get: 'getPrev', play: 'playPrev'},
|
||
|
|
{name: 'playlist-next', text: 'next', get: 'getNext', play: 'playNext'}
|
||
|
|
]
|
||
|
|
.forEach(function(desc){
|
||
|
|
$.jme.registerPlugin(desc.name, {
|
||
|
|
structure: btnStructure,
|
||
|
|
text: desc.text,
|
||
|
|
_create: function(control, media, base){
|
||
|
|
var cList;
|
||
|
|
var playlists = base.jmeProp('playlists');
|
||
|
|
|
||
|
|
function itemChange(){
|
||
|
|
var item = cList[desc.get]();
|
||
|
|
if(item){
|
||
|
|
control.prop({'disabled': false, title: item.title});
|
||
|
|
} else {
|
||
|
|
control.prop({'disabled': true, title: ''});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function listchange(){
|
||
|
|
var newClist = playlists.getShowcontrolsList();
|
||
|
|
if(newClist != cList){
|
||
|
|
if(cList){
|
||
|
|
cList.off('itemchange', itemChange);
|
||
|
|
}
|
||
|
|
cList = newClist;
|
||
|
|
if(cList){
|
||
|
|
cList.on('itemchange', itemChange);
|
||
|
|
itemChange();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
control.on('click', function(){
|
||
|
|
if(cList){
|
||
|
|
cList[desc.play]();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
playlists.on({
|
||
|
|
'addlist removelist showcontrolschange':listchange
|
||
|
|
});
|
||
|
|
listchange();
|
||
|
|
}
|
||
|
|
});
|
||
|
|
})
|
||
|
|
;
|
||
|
|
|
||
|
|
|
||
|
|
// Simple JavaScript Templating
|
||
|
|
(function() {
|
||
|
|
var cache = {};
|
||
|
|
$.jme.tmpl = function tmpl(str, data) {
|
||
|
|
// Figure out if we're getting a template, or if we need to
|
||
|
|
// load the template - and be sure to cache the result.
|
||
|
|
if(!cache[str]){
|
||
|
|
cache[str] = new Function("obj",
|
||
|
|
"var p=[],print=function(){p.push.apply(p,arguments);};" +
|
||
|
|
|
||
|
|
// Introduce the data as local variables using with(){}
|
||
|
|
"with(obj){p.push('" +
|
||
|
|
|
||
|
|
// Convert the template into pure JavaScript
|
||
|
|
str.replace(/[\r\t\n]/g, " ")
|
||
|
|
.replace(/'(?=[^%]*%>)/g,"\t")
|
||
|
|
.split("'").join("\\'")
|
||
|
|
.split("\t").join("'")
|
||
|
|
.replace(/<%=(.+?)%>/g, "',$1,'")
|
||
|
|
.split("<%").join("');")
|
||
|
|
.split("%>").join("p.push('")
|
||
|
|
+ "');}return p.join('');");
|
||
|
|
}
|
||
|
|
|
||
|
|
// Provide some basic currying to the user
|
||
|
|
return data ? cache[str](data) : cache[str];
|
||
|
|
};
|
||
|
|
})();
|
||
|
|
$.jme.Playlist = Playlist;
|
||
|
|
webshims.isReady('playlist', true);
|
||
|
|
});
|