1 /** @fileoverview Highlights widget dor Janelas Virtuais/Tela Social 2 @version 1.0 3 4 @author Marcio Galli <mgalli@taboca.com> 5 @author Rafael Sartori <faelsartori@gmail.com> 6 @author Matheus Martins Teixeira <a href="mailto:mteixeira@grad.icmc.usp.br"><mteixeira@grad.icmc.usp.br></a> 7 */ 8 /* ***** BEGIN LICENSE BLOCK ***** 9 * Version: MPL 1.1/GPL 2.0/LGPL 2.1 10 * 11 * The contents of this file are subject to the Mozilla Public License Version 12 * 1.1 (the "License"); you may not use this file except in compliance with 13 * the License. You may obtain a copy of the License at 14 * http://www.mozilla.org/MPL/ 15 * 16 * Software distributed under the License is distributed on an "AS IS" basis, 17 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 18 * for the specific language governing rights and limitations under the 19 * License. 20 * 21 * The Original Code is TelaSocial 22 * 23 * The Initial Developer of the Original Code is Taboca TelaSocial. 24 * Portions created by the Initial Developer are Copyright (C) 2010 25 * the Initial Developer. All Rights Reserved. 26 * 27 * Contributor(s): 28 * Marcio Galli <mgalli@taboca.com> 29 * Rafael Sartori <faelsartori@gmail.com> 30 * Matheus Teixeira <teixeira.mdk@gmail.com> 31 * 32 * Alternatively, the contents of this file may be used under the terms of 33 * either the GNU General Public License Version 2 or later (the "GPL"), or 34 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), 35 * in which case the provisions of the GPL or the LGPL are applicable instead 36 * of those above. If you wish to allow use of your version of this file only 37 * under the terms of either the GPL or the LGPL, and not to allow others to 38 * use your version of this file under the terms of the MPL, indicate your 39 * decision by deleting the provisions above and replace them with the notice 40 * and other provisions required by the GPL or the LGPL. If you do not delete 41 * the provisions above, a recipient may use your version of this file under 42 * the terms of any one of the MPL, the GPL or the LGPL. 43 * 44 * ***** END LICENSE BLOCK ***** */ 45 46 /** 47 Objeto com as funções para o widget highlights 48 @class 49 @name highlights 50 */ 51 var highlights = { 52 /** 53 Url para o rss do widget 54 @type String 55 */ 56 feedURL : ICMC_DESTAQUES, 57 /** 58 JSON retornado pela requisição dos itens 59 @type JSON 60 */ 61 feed : null, 62 /** 63 Fila com as noticias a serem exibidas 64 @type Array 65 */ 66 queue : null, 67 /** 68 URl do gerador de QRCodes 69 @type String 70 */ 71 urlQR : "https://chart.googleapis.com/chart?cht=qr&chs=220x220&chld=L|1&chl=", 72 /** 73 Objeto container do widget 74 @type Dom Object 75 */ 76 container : null, 77 /** 78 Inicializa o widget highlights 79 @public 80 @function 81 */ 82 init : function() { 83 this.queue = new Array(); 84 this.feed = new google.feeds.Feed(this.feedURL); 85 this.feed.setResultFormat(google.feeds.Feed.XML_FORMAT); 86 this.feed.setNumEntries(10); 87 }, 88 /** 89 Inicia o widget 90 @public 91 @function 92 */ 93 start : function() { 94 this.container = $('<div>').addClass('mainWrapper').appendTo('#container'); 95 96 setTimeout(function() { 97 highlights.loadFeed(); 98 }, 100); 99 }, 100 /** 101 Atualiza a lista de itens do rss para o widget. 102 O método {@link highlights.start} chama está função 103 @private 104 @function 105 */ 106 loadFeed : function() { 107 this.feed.load(function(e) { 108 highlights.createQueue(e) 109 }); 110 }, 111 /** 112 Cria a fila de noticias 113 O método {@link highlights.loadFeed} chama está função 114 @param {JSON Object} e Json com os dados carregados 115 @private 116 @function 117 */ 118 createQueue : function(e) { 119 highlights.z = 1000; 120 $(e.xmlDocument).find('item').each(function() { 121 var title = $(this).find('title').text(); 122 var link = $(this).find('link').text(); 123 highlights.queue.push({ 124 title : title, 125 link : link 126 }); 127 }); 128 highlights.counter = highlights.queue.length * 30; 129 highlights.container.html(''); 130 setTimeout(function() { 131 highlights.render() 132 }, 100); 133 }, 134 z : 1000, 135 /** 136 Renderiza os objetos no container do widget. 137 Após processar os itens, o método {@link highlights.createQueue} chama está função 138 @private 139 @function 140 */ 141 render : function() { 142 if(highlights.queue.length > 0) { 143 var obj = highlights.queue.pop(); 144 145 var title = $('<span>').addClass('title').html("Sala de Imprensa") 146 var description = $('<span>').addClass('description').html(obj.title); 147 var qrcode = $('<img>').attr('src', highlights.urlQR + obj.link).width(240); 148 var texts = $('<table>').append($('<tr>').append($('<td>').append(title).append(description)).append($('<td>').append(qrcode).attr('width', '240px'))); 149 $('<div>').addClass('item').css('z-index', highlights.z--).append(texts).appendTo(highlights.container); 150 setTimeout(function() { 151 highlights.render(); 152 }, 100); 153 } else { 154 highlights.swap(); 155 } 156 }, 157 counter : 0, 158 /** 159 Função auxiliar na renderização. Faz o efeito de transição entre as notícias. 160 @private 161 @function 162 */ 163 swap : function() { 164 if(highlights.counter > 0) { 165 $($(highlights.container).find('.item')[0]).fadeOut(1000, function() { 166 $(this).remove().appendTo(highlights.container).show().css('z-index', highlights.z--); 167 highlights.counter--; 168 setTimeout(function() { 169 highlights.swap(); 170 }, 7000); 171 }); 172 } else { 173 highlights.loadFeed(); 174 } 175 } 176 }