Hi all ... I am new to easyUI treegrid. I am trying to create treegrid with client side pagination and client side filtering. I have written following code as shown below. here client pagination is working but filter is not working. I have downloaded recent 'datagrid-filter.js' . please help me ! thanks in advance!
<!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="css/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="css/themes/icon.css">
<link rel="stylesheet" type="text/css" href="css/demo.css">
<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/jquery.easyui.min.js"></script>
<script type="text/javascript" src="datagrid-filter.js"></script>
</head>
<body>
<h2>Client Side Pagination in TreeGrid</h2>
<p>This sample shows how to implement client side pagination in TreeGrid.</p>
<div style="margin:20px 0;"></div>
<table id="tg" title="Client Side Pagination" style="width:700px;height:250px"
data-options="
iconCls: 'icon-ok',
rownumbers: true,
animate: true,
collapsible: true,
fitColumns: true,
url: 'treegrid_data2.json',
method: 'get',
idField: 'id',
treeField: 'name',
pagination: true,
remoteFilter: false,
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>
</tr>
</thead>
</table>
<script type="text/javascript">
(function($){
function pagerFilter(data){
if ($.isArray(data)){ // is array
data = {
total: data.length,
rows: data
}
}
var target = this;
var tg = $(target);
var state = tg.data('treegrid');
var opts = tg.treegrid('options');
if (!state.allRows){
state.allRows = data.rows;
}
if (!opts.remoteSort && opts.sortName){
var names = opts.sortName.split(',');
var orders = opts.sortOrder.split(',');
state.allRows.sort(function(r1,r2){
var r = 0;
for(var i=0; i<names.length; i++){
var sn = names
;
var so = orders;
var col = $(target).treegrid('getColumnOption', sn);
var sortFunc = col.sorter || function(a,b){
return a==b ? 0 : (a>b?1:-1);
};
r = sortFunc(r1[sn], r2[sn]) * (so=='asc'?1:-1);
if (r != 0){
return r;
}
}
return r;
});
}
var topRows = [];
var childRows = [];
$.map(state.allRows, function(row){
row._parentId ? childRows.push(row) : topRows.push(row);
row.children = null;
});
data.total = topRows.length;
var pager = tg.treegrid('getPager');
pager.pagination('refresh', {
total: data.total,
pageNumber: opts.pageNumber
});
opts.pageNumber = pager.pagination('options').pageNumber || 1;
var start = (opts.pageNumber-1)*parseInt(opts.pageSize);
var end = start + parseInt(opts.pageSize);
data.rows = topRows.slice(start, end).concat(childRows);
return data;
}
var appendMethod = $.fn.treegrid.methods.append;
var removeMethod = $.fn.treegrid.methods.remove;
var loadDataMethod = $.fn.treegrid.methods.loadData;
$.extend($.fn.treegrid.methods, {
clientPaging: function(jq){
return jq.each(function(){
var tg = $(this);
var state = tg.data('treegrid');
var opts = state.options;
opts.loadFilter = pagerFilter;
var onBeforeLoad = opts.onBeforeLoad;
opts.onBeforeLoad = function(row,param){
state.allRows = null;
return onBeforeLoad.call(this, row, param);
}
var pager = tg.treegrid('getPager');
pager.pagination({
onSelectPage:function(pageNum, pageSize){
opts.pageNumber = pageNum;
opts.pageSize = pageSize;
pager.pagination('refresh',{
pageNumber:pageNum,
pageSize:pageSize
});
tg.treegrid('loadData',state.allRows);
}
});
tg.treegrid('loadData', state.data);
if (opts.url){
tg.treegrid('reload');
}
});
},
loadData: function(jq, data){
jq.each(function(){
$(this).data('treegrid').allRows = null;
});
return loadDataMethod.call($.fn.treegrid.methods, jq, data);
},
append: function(jq, param){
return jq.each(function(){
var state = $(this).data('treegrid');
if (state.options.loadFilter == pagerFilter){
$.map(param.data, function(row){
row._parentId = row._parentId || param.parent;
state.allRows.push(row);
});
$(this).treegrid('loadData', state.allRows);
} else {
appendMethod.call($.fn.treegrid.methods, $(this), param);
}
})
},
remove: function(jq, id){
return jq.each(function(){
if ($(this).treegrid('find', id)){
removeMethod.call($.fn.treegrid.methods, $(this), id);
}
var state = $(this).data('treegrid');
if (state.options.loadFilter == pagerFilter){
for(var i=0; i<state.allRows.length; i++){
if (state.allRows[state.options.idField] == id){
state.allRows.splice(i,1);
break;
}
}
$(this).treegrid('loadData', state.allRows);
}
})
},
getAllRows: function(jq){
return jq.data('treegrid').allRows;
}
});
})(jQuery);
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(){
///////////////////////////////////////////////////////////////////////
$('#tg').treegrid().treegrid('clientPaging');
/////////////////////////////////////////////////////////////////////////
$('#tg').treegrid('enableFilter', [{
field:'name',
type:'validatebox',
op:['contains']
}]);
////////////////////////////////////////////////////////////////////////
})
</script>
</body>
</html>
