jQWidgets jqxTreeGrid columnReordered事件

jQWidgets jqxTreeGrid columnReordered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的任何列的顺序被改变时,columnReordered事件被触发。

语法:

$('#treeGrid').on('columnReordered',  function (event)
{
  // Argument of the Event
  var args = event.args;
  // Data field name
  var dataField = args.dataField;
  // Old index
  var oldIndex = args.oldIndex;
  // New index
  var newIndex = args.newIndex;
});

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>

例子:下面的例子说明了jQWidgets jqxTreeGrid columnReordered事件。

<!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 columnReordered 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,
            columnsReorder: 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("columnReordered", function (event) {
            var Arguments = event.args;
            var Data_Field = Arguments.dataField;
            $("#log").html(
              JSON.stringify("The reordered column name is : "
                + Data_Field)
            );
          });
        });
      </script>
    </center>
  </body>
</html>

输出:

jQWidgets jqxTreeGrid columnReordered事件

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