Editable TreeGrid

Select one node and click edit button to perform editing.

示例：

代码：

					
<div style="margin:20px 0;">
	<a href="javascript:void(0)" class="easyui-linkbutton" onclick="edit()">Edit</a>
	<a href="javascript:void(0)" class="easyui-linkbutton" onclick="save()">Save</a>
	<a href="javascript:void(0)" class="easyui-linkbutton" onclick="cancel()">Cancel</a>
</div>
<table id="tg" class="easyui-treegrid" title="Editable TreeGrid" style="width:700px;height:250px"
			data-options="
				iconCls: 'icon-ok',
				rownumbers: true,
				animate: true,
				collapsible: true,
				fitColumns: true,
				url: 'examples/treegrid/treegrid_data2.json',
				method: 'get',
				idField: 'id',
				treeField: 'name',
				showFooter: true
			">
	<thead>
		<tr>
			<th data-options="field:'name',width:180,editor:'text'">Task Name</th>
			<th data-options="field:'persons',width:60,align:'right',editor:'numberbox'">Persons</th>
			<th data-options="field:'begin',width:80,editor:'datebox'">Begin Date</th>
			<th data-options="field:'end',width:80,editor:'datebox'">End Date</th>
			<th data-options="field:'progress',width:120,formatter:formatProgress,editor:'numberbox'">Progress</th>
		</tr>
	</thead>
</table>
<script type="text/javascript">
		function formatProgress(value){
	    	if (value){
		    	var s = '<div style="width:100%;border:1px solid #ccc">' +
		    			'<div style="width:' + value + '%;background:#cc0000;color:#fff">' + value + '%' + '</div>'
		    			'</div>';
		    	return s;
	    	} else {
		    	return '';
	    	}
		}
		var editingId;
		function edit(){
			if (editingId != undefined){
				$('#tg').treegrid('select', editingId);
				return;
			}
			var row = $('#tg').treegrid('getSelected');
			if (row){
				editingId = row.id
				$('#tg').treegrid('beginEdit', editingId);
			}
		}
		function save(){
			if (editingId != undefined){
				var t = $('#tg');
				t.treegrid('endEdit', editingId);
				editingId = undefined;
				var persons = 0;
				var rows = t.treegrid('getChildren');
				for(var i=0; i<rows.length; i++){
					var p = parseInt(rows[i].persons);
					if (!isNaN(p)){
						persons += p;
					}
				}
				var frow = t.treegrid('getFooterRows')[0];
				frow.persons = persons;
				t.treegrid('reloadFooter');
			}
		}
		function cancel(){
			if (editingId != undefined){
				$('#tg').treegrid('cancelEdit', editingId);
				editingId = undefined;
			}
		}
</script>