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jQWidgets jqxGrid groupcollapse Event

Last Updated : 29 Mar, 2023
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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 jqxGrid is used to illustrate a jQuery widget that shows data in tabular form. Moreover, it renders full support for connecting with data, as well as paging, grouping, sorting, filtering, and editing.

The groupcollapse Event is activated whenever a group of the displayed jqxGrid is collapsed.

Syntax:

$("Selector").on("groupcollapse", function (event) {

     // Arguments of the event
     var args = event.args;
   
     // Name of the collapsed group
     var group = args.group;
    
     // Level of the collapsed group
     var level = args.level;
    
     // Sub groups
     var subGroups = args.subgroups;
    
     // Sub rows
     var subRows = args.subrows;
});

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-1.11.1.min.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/jqxmenu.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxgrid.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxgrid.selection.js”></script>

Example: The below example illustrates the jqxGrid groupcollapse Event in jQWidgets.

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-1.11.1.min.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/jqxmenu.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxgrid.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxgrid.selection.js">
    </script>
</head>
  
<body>
    <center>
        <h1 style="color: green">
            GeeksforGeeks
        </h1>
        <h3>jQWidgets jqxGrid groupcollapse Event
        </h3>
        <br />
        <div id="jqxg"></div>
        <br />
        <div id="log"></div>
    </center>
  
    <script type="text/javascript">
        $(document).ready(function () {
            var d = new Array();
            var subjectNames =
                ["C++", "Scala", "Java", "C", "R", "JavaScript"];
  
            var pageNumber =
                ["7", "8", "12", "11", "10", "19"];
  
            for (var j = 0; j < 50; j++) {
                var r = {};
                r["subjectnames"] =
                    subjectNames[(Math.floor(
                        Math.random() * subjectNames.length))
                    ];
  
                r["pagenumber"] =
                    pageNumber[(Math.floor(
                        Math.random() * pageNumber.length))
                    ];
                d[j] = r;
  
            }
            var src = {
                localdata: d,
                datatype: "array",
            };
            var data_Adapter = new $.jqx.dataAdapter(src);
            $("#jqxg").jqxGrid({
                source: data_Adapter,
                groupable: true,
                groups: ['subjectnames'],
                theme: 'energyblue',
                height: "260px",
                width: "260px",
                columns: [
                    {
                        text: "Subject Name",
                        datafield: "subjectnames",
                        width: "120px",
                    },
                    {
                        text: "Page No.",
                        datafield: "pagenumber",
                        width: "120px",
                    },
                ],
            });
  
            $("#jqxg").on("groupcollapse", function (event) {
                $('#log').html("Collapsed group name: "
                       + event.args.group);
            });
        });
    </script>
</body>
  
</html>


Output:

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



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