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jQWidgets jqxTreeGrid columnResized Event

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  • Last Updated : 07 Oct, 2021

jQWidgets is a JavaScript framework for making web-based applications for PC and mobile devices. It is a very powerful, optimized, platform-independent, and widely supported framework. The jqxTreeGrid is used for representing data in a tree-like structure. This widget is useful for displaying multi-column of hierarchical data, data paging, sorting and filtering, data editing, column resizing, fixed columns, conditional formatting, aggregates, and rows selection. These widgets also read and display the data from any type of data sources such as XML, JSON, Array, CSV, or TSV.

The columnResized event is used to trigger when any column of the specified jqxTreeGrid is resized.

Syntax:

$('#treeGrid').on('columnResized',  function (event)
{
 // Argument of the Event
 var args = event.args;
 // Data field name
 var dataField = args.dataField;
 // Old width
 var oldWidth = args.oldWidth;
 // New width
 var newWidth = args.newWidth;
});

Linked Files: Download jQWidgets from the given link. In the HTML file, locate the script files in the downloaded folder.

<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>

Example: The below example illustrates the jQWidgets jqxTreeGrid columnResized event.

HTML




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

Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxtreegrid/jquery-treegrid-api.htm?search=


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