jQWidgets jqxTreeGrid排序事件

jQWidgets jqxTreeGrid排序事件

jQWidgets是一个JavaScript框架,用于为PC和移动设备制作基于Web的应用程序。它是一个非常强大的、优化的、与平台无关的、并被广泛支持的框架。jqxTreeGrid用于以树状结构表示数据。这个部件对于显示多列的分层数据、数据分页、排序和过滤、数据编辑、列大小调整、固定列、条件格式化、聚合和行选择都很有用。这些部件还可以从任何类型的数据源中读取和显示数据,如XML、JSON、Array、CSV或TSV。

当指定的jqxTreeGrid的排序顺序或排序列被改变时,排序事件被触发。

语法:

$('#treeGrid').on('sort', function (event) {
    var args = event.args;
    // column's data field.
    var sortcolumn = args.sortcolumn;  
    // sort order:
    // { 'ascending': true or false,
    //   'descending': true or false }
    var sortdirection = args.sortdirection;
});

链接的文件:从给出的链接中下载jQWidgets。在HTML文件中,找到下载文件夹中的脚本文件。

<link rel=”stylesheet” href=”jqwidgets/styles/jqx.base.css” type=”text/css” />
<script type=”text/javascript” src=”scripts/jquery.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxcore.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdata.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxbuttons.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxscrollbar.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxlistbox.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdropdownlist.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxdatatable.js”></script>

下面的例子说明了jQWidgets jqxTreeGrid排序事件。

示例:

<!DOCTYPE html>
<html lang="en">
  
<head>
    <link rel="stylesheet" href=
    "jqwidgets/styles/jqx.base.css" type="text/css"/>
    <script type="text/javascript" 
            src="scripts/jquery.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxcore.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxdata.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxbuttons.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxscrollbar.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxlistbox.js">
    </script>
    <script type="text/javascript"
            src="jqwidgets/jqxdropdownlist.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxdatatable.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxtreegrid.js">
    </script>
</head>
  
<body>
    <center>
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
        <h3>
            jQWidgets jqxTreeGrid sort Event
        </h3>
        <div id="jqxTreeGrid" style="margin: 25px;">
        </div>
        <div id="log"></div>
        <script type="text/javascript">
            (document).ready(function () {
                var A = [{
                    "ID": 1,
                    "Employee_Name": "Amit",
                    "Company": "GeeksforGeeks",
                    "Designation": "Content Writer",
                    "expanded": true,
                    A1: [{
                        "ID": 2,
                        "Employee_Name": "Sumit",
                        "Company": "Amazon",
                        "Designation": "Software Engineer",
                    }, {
                        "ID": 3,
                        "Employee_Name": "Vivek",
                        "Company": "Apple",
                        "Designation": "Product Manager",
                        "expanded": true,
                        A1: [{
                            "ID": 4,
                            "Employee_Name": "Soni",
                            "Company": "Flipkart",
                            "Designation": "HR",
                        }]
                    }]
                }];
  
                var Data_Source = {
                    dataFields: [{
                        name: 'ID'
                    }, {
                        name: 'Employee_Name'
                    }, {
                        name: 'Company'
                    }, {
                        name: 'Designation'
                    }, {
                        name: 'A1',
                        type: 'array'
                    }, {
                        name: 'expanded'
                    }],
                    hierarchy: {
                        root: 'A1'
                    },
                    id: 'ID',
                    localData: A
                };
  
                var Data = new
                    .jqx.dataAdapter(Data_Source);
  
                ("#jqxTreeGrid").jqxTreeGrid({
                    source: Data,
                    sortable: true,
                    ready: function () {
                        ("#jqxTreeGrid").jqxTreeGrid(
                            'expandRow', '1');
                        ("#jqxTreeGrid").jqxTreeGrid(
                            'expandRow', '3');
                    },
                    columns: [{
                        text: 'Employee_Name',
                        align: 'center',
                        dataField: 'Employee_Name',
                        width: 140
                    }, {
                        text: 'Company',
                        align: 'center',
                        dataField: 'Company',
                        width: 150
                    }, {
                        text: 'Designation',
                        align: 'center',
                        dataField: 'Designation',
                        width: 150
                    }]
  
                });
                ('#jqxTreeGrid').on('sort', function (event) {
                    var Arguments = event.args;
                    var Sort_Direction = Arguments.sortdirection;
                    var Column_Sorting = Arguments.sortcolumn;
                    var Sorting_Order = Sort_Direction.ascending ?
                        "Ascending" : "Descending";
                    $("#log").html(JSON.stringify("Sorting_Column: " +
                        Column_Sorting + ", Sorting_Order: "
                                                  + Sorting_Order))
                });
  
            });
        </script>
    </center>
</body>
  
</html>

输出:

jQWidgets jqxTreeGrid排序事件

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