TreeGrid with Footer

Show summary information on TreeGrid footer.

示例：

代码：

					
<table id="tg"></table>
<script type="text/javascript">
		$(function(){
			$('#tg').treegrid({
				title:'TreeGrid with Footer',
				iconCls:'icon-ok',
				width:700,
				height:250,
				rownumbers: true,
				animate:true,
				collapsible:true,
				fitColumns:true,
				url:'examples/treegrid/treegrid_data2.json',
				method: 'get',
				idField:'id',
				treeField:'name',
				showFooter:true,
				columns:[[
	                {title:'Task Name',field:'name',width:180},
					{field:'persons',title:'Persons',width:60,align:'right'},
					{field:'begin',title:'Begin Date',width:80},
					{field:'end',title:'End Date',width:80},
					{field:'progress',title:'Progress',width:120,
					    formatter:function(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 '';
					    	}
				    	}
					}
				]]
			});
		})
</script>