docs/source/ListLoader.html

   1 <html>\r
   2 <head>\r
   3   <title>The source code</title>\r
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   8     <pre class="prettyprint lang-js">ListLoader = function(config){\r
   9         Ext.apply(this, config);\r
  10 };\r
  11 \r
  12 Ext.extend(ListLoader, Ext.util.Observable, {\r
  13         keyAttribute: 'id',\r
  14         keyField: 'parentId',\r
  15         \r
  16         load: function(node, callback){\r
  17                 var key = this.keyField;\r
  18                 var v = node.attributes[this.keyAttribute];\r
  19                 var rs = this.store.queryBy(function(r){\r
  20                         return r.data[key] === v;\r
  21                 });\r
  22                 node.beginUpdate();\r
  23         for (var i = 0, d = rs.items, len = d.length; i < len; i++) {\r
  24                         var n = this.createNode(d[i]);\r
  25                         if (n) {\r
  26                                 node.appendChild(n);\r
  27                         }\r
  28                 }\r
  29                 node.endUpdate();\r
  30                 if(typeof callback == "function"){\r
  31             callback(this, node);\r
  32         }\r
  33         },\r
  34         \r
  35         createNode : function(record){\r
  36                 var d = record.data, n;\r
  37                 if(d.isFolder){\r
  38                         n = new Ext.tree.AsyncTreeNode({\r
  39                                 loader: this,\r
  40                                 id: record.id,\r
  41                                 text: d.listName,\r
  42                                 leaf: false,\r
  43                                 iconCls: 'icon-folder',\r
  44                                 editable: true,\r
  45                                 expanded: true,\r
  46                                 isFolder: true\r
  47                         });\r
  48                 }else{\r
  49                         n = new Ext.tree.TreeNode({\r
  50                                 id: record.id,\r
  51                                 text: d.listName,\r
  52                                 leaf: true,\r
  53                                 iconCls: 'icon-list',\r
  54                                 editable: true\r
  55                         });\r
  56                 }\r
  57                 return n;\r
  58         }\r
  59 });</pre>    \r
  60 </body>\r
  61 </html>