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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Client Side Pagination in TreeGrid - jQuery EasyUI Demo</title>
<link rel="stylesheet" type="text/css" href="../../themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="../../themes/icon.css">
<link rel="stylesheet" type="text/css" href="../demo.css">
<script type="text/javascript" src="../../jquery.min.js"></script>
<script type="text/javascript" src="../../jquery.easyui.min.js"></script>
</head>
<body>
<h2>Client Side Pagination in TreeGrid</h2>
<div class="demo-info">
<div class="demo-tip icon-tip"></div>
<div>This sample shows how to implement client side pagination in TreeGrid.</div>
</div>
<div style="margin:10px 0;"></div>
<table id="tg" class="easyui-treegrid" title="Client Side Pagination" style="width:700px;height:250px"
data-options="
iconCls: 'icon-ok',
rownumbers: true,
animate: true,
collapsible: true,
fitColumns: true,
url: '../treegrid/treegrid_data2.json',
idField: 'id',
treeField: 'name',
loadFilter: pagerFilter,
pagination: true,
pageSize: 2,
pageList: [2,5,10]
">
<thead>
<tr>
<th data-options="field:'name',width:180">Task Name</th>
<th data-options="field:'persons',width:60,align:'right'">Persons</th>
<th data-options="field:'begin',width:80">Begin Date</th>
<th data-options="field:'end',width:80">End Date</th>
<th data-options="field:'progress',width:120,formatter:formatProgress">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 '';
}
}
function pagerFilter(data){
if ($.isArray(data)){ // is array
data = {
total: data.length,
rows: data
}
}
var dg = $(this);
var state = dg.data('treegrid');
var opts = dg.treegrid('options');
var pager = dg.treegrid('getPager');
pager.pagination({
onSelectPage:function(pageNum, pageSize){
opts.pageNumber = pageNum;
opts.pageSize = pageSize;
pager.pagination('refresh',{
pageNumber:pageNum,
pageSize:pageSize
});
dg.treegrid('loadData',data);
}
});
if (!data.topRows){
data.topRows = [];
data.childRows = [];
for(var i=0; i<data.rows.length; i++){
var row = data.rows[i];
row._parentId ? data.childRows.push(row) : data.topRows.push(row);
}
data.total = (data.topRows.length);
}
var start = (opts.pageNumber-1)*parseInt(opts.pageSize);
var end = start + parseInt(opts.pageSize);
data.rows = $.extend(true,[],data.topRows.slice(start, end).concat(data.childRows));
return data;
}
</script>
</body>
</html>