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- ListLoader = function(config){
- Ext.apply(this, config);
- };
- Ext.extend(ListLoader, Ext.util.Observable, {
- keyAttribute: 'parentId',
- keyField: 'testId',
- load: function(node, callback){
- var key = this.keyField;
- var v = node.attributes[this.keyAttribute];
- var rs = this.store.queryBy(function(r){
- air.trace("key =" + key);
- air.trace("value = " + v);
- return r.data[key] === v;
- });
- node.beginUpdate();
- for (var i = 0, d = rs.items, len = d.length; i < len; i++) {
- var n = this.createNode(d[i]);
- if (n) {
- node.appendChild(n);
- }
- }
- node.endUpdate();
- if(typeof callback == "function"){
- callback(this, node);
- }
- },
- createNode : function(record){
- var d = record.data, n;
- inspect(record);
- if(d.isFolder){
- n = new Ext.tree.AsyncTreeNode({
- loader: this,
- id: record.id,
- text: d.ListName,
- parentId: d.id,
- leaf: false,
- iconCls: 'icon-folder',
- editable: true,
- expanded: true,
- isFolder: true
- });
- }else{
- n = new Ext.tree.TreeNode({
- id: record.id,
- text: d.ListName,
- parentId: d.id,
- leaf: true,
- iconCls: 'icon-list',
- editable: true
- });
- }
- return n;
- }
- });
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