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jQWidgets jqxTreeMap headerHeight Property

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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 jqxTreeMap is used for showing the hierarchical data set of nested rectangles. Here each and every branch of the tree is represented as a rectangle, which is then tiled with smaller rectangles that represent sub-branches. Here the rectangle of the leaf node has an area proportional to a specified dimension on the data.

The headerHeight property is used for setting or getting the height of the parent sector’s header of the specified jqxTreeMap. This property accepts numeric values.

Syntax:

  • For setting the headerHeight property:

    $('#jqxTreeMap').jqxTreeMap({ headerHeight: 23 });  
  •  

  • For getting the headerHeight property:

    var headerHeight = $('#jqxTreeMap').jqxTreeMap('headerHeight'); 

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/jqxtooltip.js”></script>
<script type=”text/javascript” src=”jqwidgets/jqxtreemap.js”></script>
<script type=”text/javascript” src=”scripts/gettheme.js”></script>

Example: The below example illustrates the jQWidgets jqxTreeMap headerHeight property. In the below example, the value for the headerHeight property has been set to 23.

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/jqxtooltip.js">
    </script>
    <script type="text/javascript" 
            src="jqwidgets/jqxtreemap.js">
    </script>
    <script type="text/javascript" 
            src="scripts/gettheme.js">
    </script>
</head>
  
<body>
    <center>
        <h1 style="color: green;">
            GeeksforGeeks
        </h1>
        <h3>
            jQWidgets jqxTreeMap headerHeight Property
        </h3>
        <div id="Tree_Map"></div>
        <input type="button" style="margin: 28px;" 
               id="button_for_headerHeight" 
               value="Value of the headerHeight property"/>
        <div id="log"></div>
        <script type="text/javascript">
            $(document).ready(function () {
                var Data_of_TreeMap = [{
                    label: 'GeeksforGeeks',
                    value: 70,
                    color: '#ff0300'
                }, {
                    label: 'is a',
                    value: 10,
                    parent: 'GeeksforGeeks',
                    color: '#ff5400'
                }, {
                    label: 'Computer Science',
                    value: 30,
                    parent: 'GeeksforGeeks',
                    color: '#008000'
                }, {
                    label: 'Portal.',
                    value: 15,
                    parent: 'GeeksforGeeks',
                    color: '#7fbf00'
                }
                ];
                $('#Tree_Map').jqxTreeMap({
                    width: 390,
                    height: 100,
                    source: Data_of_TreeMap,
                    headerHeight: 23
                });
                $("#button_for_headerHeight").jqxButton({
                    width: 250
                });
                $("#button_for_headerHeight").click(
                    function () {
                        var headerHeight_Value = 
                            $('#Tree_Map').
                            jqxTreeMap('headerHeight');
                        $("#log").html((
                          headerHeight_Value));
                    });
            });
        </script>
    </center>
</body>
  
</html>


Output:

Reference: https://www.jqwidgets.com/jquery-widgets-documentation/documentation/jqxtreemap/jquery-treemap-api.htm



Last Updated : 05 Nov, 2021
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