jquery easy ui 学习 (9)Pagination in TreeGrid 分页

<!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>
    <p>This sample shows how to implement client side pagination in TreeGrid.</p>
    <div style="margin:20px 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_data2.json',
                method: 'get',
                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>
json 文件
{"total":7,"rows":[
    {"id":1,"name":"All Tasks","begin":"3/4/2010","end":"3/20/2010","progress":60,"iconCls":"icon-ok"},
    {"id":2,"name":"Designing","begin":"3/4/2010","end":"3/10/2010","progress":100,"_parentId":1,"state":"closed"},
    {"id":21,"name":"Database","persons":2,"begin":"3/4/2010","end":"3/6/2010","progress":100,"_parentId":2},
    {"id":22,"name":"UML","persons":1,"begin":"3/7/2010","end":"3/8/2010","progress":100,"_parentId":2},
    {"id":23,"name":"Export Document","persons":1,"begin":"3/9/2010","end":"3/10/2010","progress":100,"_parentId":2},
    {"id":3,"name":"Coding","persons":2,"begin":"3/11/2010","end":"3/18/2010","progress":80},
    {"id":4,"name":"Testing","persons":1,"begin":"3/19/2010","end":"3/20/2010","progress":20}
],"footer":[
    {"name":"Total Persons:","persons":7,"iconCls":"icon-sum"}
]}

 

 

posted @ 2014-04-24 17:44  timelesszhuang  阅读(1461)  评论(0编辑  收藏  举报