Ignite UI API Reference

ui.igChartLegend

ui.igChartLegend_image

The igChartLegend control is a jQuery UI widget that displays the name of a series or its elements represented in chart plot area. Further information regarding the classes, options, events, methods and themes of this API are available under the associated tabs above.

The following code snippet demonstrates how to initialize the igChartLegend control.

For details on how to reference the required scripts and themes for the igChartLegend control read, Using JavaScript Resources in Ignite UI and Styling and Theming Ignite UI.

Code Sample

<!doctype html>
<html>
<head>
    <title>Ignite UI igChartLegend</title>
    <!-- Infragistics Combined CSS -->
    <link href="css/themes/infragistics/infragistics.theme.css" rel="stylesheet" type="text/css" />
    <link href="css/structure/infragistics.css" rel="stylesheet" type="text/css" />
    <!-- jQuery Core -->
    <script src="js/jquery.js" type="text/javascript"></script>
    <!-- jQuery UI -->
    <script src="js/jquery-ui.js" type="text/javascript"></script>
    <!-- Infragistics Combined Scripts -->
    <script src="js/infragistics.core.js" type="text/javascript"></script>
	  <script src="js/infragistics.dv.js" type="text/javascript"></script>

    <script type="text/javascript">
        $(function () {
            var data = [
                  { "DateString": "1/2/2010", "Open": 1000, "High": 1019.75, "Low": 967.75, "Close": 995 },
                  { "DateString": "1/2/2010", "Open": 995, "High": 1016.75, "Low": 975, "Close": 1004 },
                  { "DateString": "1/2/2010", "Open": 925.5, "High": 1000.25, "Low": 912.75, "Close": 999.25 },
                  { "DateString": "1/2/2010", "Open": 940.25, "High": 1040.25, "Low": 920.75, "Close": 975.25 },
                  { "DateString": "1/2/2010", "Open": 1020.5, "High": 1060.25, "Low": 999.75, "Close": 1050.25 }
              ];

            $("#chart").igDataChart({
                width: "500px",
                height: "250px",
                dataSource: data,
                axes: [{
                    name: "xAxis",
                    type: "categoryX",
                    label: "Label",
                    labelVisibility: "collapsed"
                }, {
                    name: "yAxis",
                    type: "numericY",
                    labelVisibility: "collapsed"
                }],
                series: [{
                    name: "series",
                    dataSource: data,
                    title: "Price Series",
                    type: "financial",
                    xAxis: "xAxis",
                    yAxis: "yAxis",
                    openMemberPath: "Open",
                    highMemberPath: "High",
                    lowMemberPath: "Low",
                    closeMemberPath: "Close",
                    trendLineBrush: "rgba(68, 172, 214, .8)",
                    trendLineType: "exponentialAverage",
                    legend: {
                        element: "legend"
                    }
                }],
                horizontalZoomable: true,
                verticalZoomable: true,
                windowResponse: "immediate"
            });
        });
    </script>
</head>
<body>
    <table>
        <tr>
            <td>
                <div id="chart"></div>
            </td>
            <td>
                <div id="legend"></div>
            </td>
        </tr>
    </table>
</body>
</html>

Related Samples

Related Topics

Dependencies

jquery-1.4.4.js
jquery.ui.core.js
jquery.ui.widget.js
infragistics.util.js
infragistics.dv.core.js
infragistics.chart_funnelchart.js

Inherits

  • height

    Type:
    number
    Default:
    null

    The height of the legend. It can be set as a number in pixels, string (px) or percentage (%).

    Code Sample

    // Initialize
$(".selector").igChartLegend({
    height: "100px"
});
        
// Get
var height = $(".selector").igChartLegend("option", "height");
        
// Set
$(".selector").igChartLegend("option", "height", "100px");

  • theme

    Type:
    string
    Default:
    c

    The swatch used to style this widget.

    Code Sample

    // Initialize
$(".selector").igChartLegend({
    theme: "metro"
});
  
// Get
var theme = $(".selector").igChartLegend("option", "theme");

  • type

    Type:
    enumeration
    Default:
    legend

    Type of the legend.

    Members

    • item
    • Type:string
    • Specify the legend as item legend. It displays a legend item for each pie in the igPieChart control.
    • legend
    • Type:string
    • Specify the legend as legend. It is supported by all types of series in the igDataChart control.
    • scale
    • Type:string
    • Specify the legend as a scale legend. It displays a color/size scale for the bubble series.

    Code Sample

    // Initialize
$(".selector").igChartLegend({
    type: "item"
});
        
// Get
var type = $(".selector").igChartLegend("option", "type");
        
// Set
$(".selector").igChartLegend("option", "type", "item");

  • width

    Type:
    number
    Default:
    null

    The width of the legend. It can be set as a number in pixels, string (px) or percentage (%).

    Code Sample

    // Initialize
$(".selector").igChartLegend({
    width: "250px"
});
        
// Get
var width = $(".selector").igChartLegend("option", "width");
        
// Set
$(".selector").igChartLegend("option", "width", "250px");

For more information on how to interact with the Ignite UI controls' events, refer to
Using Events in Ignite UI.

Note: Calling API methods programmatically does not raise events related to their operation unless specifically stated otherwise by the corresponding API documentation; those events are only raised by their respective user interaction.

Show Details

  • legendItemMouseEnter

    Cancellable:
    false

    Occurs when the left mouse pointer enters an element of this legend.
    Function takes arguments evt and ui.
    Use ui.legend to get reference to current legend object.
    Use ui.chart to get reference to chart owner object.
    Use ui.series to get reference to current series owner object.
    Use ui.actualItemBrush to get legend item brush.
    Use ui.actualSeriesBrush to get series owner brush.
    Use ui.item to get reference to chart item related to event.

    Code Sample

    // Delegate
$(document).delegate(".selector", "igchartlegendlegenditemmouseenter", function (evt, ui) {
    // Get reference to the current legend object.
    ui.legend;
    
    // Get reference to the chart owner object.
    ui.chart;
    
    // Get reference to tge current series owner object.
    ui.series;
    
    // Get legend item brush.
    ui.actualItemBrush;
    
    // Get series owner brush.
    ui.actualSeriesBrush;
});
 
// Initialize
$(".selector").igChartLegend({
    legendItemMouseEnter: function (evt, ui) {

    }
});

  • legendItemMouseLeave

    Cancellable:
    false

    Occurs when the left mouse pointer leaves an element of this legend.
    Function takes arguments evt and ui.
    Use ui.legend to get reference to current legend object.
    Use ui.chart to get reference to chart owner object.
    Use ui.series to get reference to current series owner object.
    Use ui.actualItemBrush to get legend item brush.
    Use ui.actualSeriesBrush to get series owner brush.
    Use ui.item to get reference to chart item related to event.

    Code Sample

    // Delegate
$(document).delegate(".selector", "igchartlegendlegenditemmouseleave", function (evt, ui) {
    // Get reference to the current legend object.
    ui.legend;
    
    // Get reference to the chart owner object.
    ui.chart;
    
    // Get reference to tge current series owner object.
    ui.series;
    
    // Get legend item brush.
    ui.actualItemBrush;
    
    // Get series owner brush.
    ui.actualSeriesBrush;
});
 
// Initialize
$(".selector").igChartLegend({
    legendItemMouseLeave: function (evt, ui) {

    }
});

  • legendItemMouseLeftButtonDown

    Cancellable:
    false

    Occurs when the left mouse button is pressed while the mouse pointer is over an element of this legend.
    Function takes arguments evt and ui.
    Use ui.legend to get reference to current legend object.
    Use ui.chart to get reference to chart owner object.
    Use ui.series to get reference to current series owner object.
    Use ui.actualItemBrush to get legend item brush.
    Use ui.actualSeriesBrush to get series owner brush.
    Use ui.item to get reference to chart item related to event.

    Code Sample

    // Delegate
$(document).delegate(".selector", "igchartlegendlegenditemmouseleftbuttondown", function (evt, ui) {
    // Get reference to the current legend object.
    ui.legend;
    
    // Get reference to the chart owner object.
    ui.chart;
    
    // Get reference to tge current series owner object.
    ui.series;
    
    // Get legend item brush.
    ui.actualItemBrush;
    
    // Get series owner brush.
    ui.actualSeriesBrush;
});
 
// Initialize
$(".selector").igChartLegend({
    legendItemMouseLeftButtonDown: function (evt, ui) {

    }
});

  • legendItemMouseLeftButtonUp

    Cancellable:
    false

    Occurs when the left mouse button is released while the mouse pointer is over an element of this legend.
    Function takes arguments evt and ui.
    Use ui.legend to get reference to current legend object.
    Use ui.chart to get reference to chart owner object.
    Use ui.series to get reference to current series owner object.
    Use ui.actualItemBrush to get legend item brush.
    Use ui.actualSeriesBrush to get series owner brush.
    Use ui.item to get reference to chart item related to event.

    Code Sample

    // Delegate
$(document).delegate(".selector", "igchartlegendlegenditemmouseleftbuttonup", function (evt, ui) {
    // Get reference to the current legend object.
    ui.legend;
    
    // Get reference to the chart owner object.
    ui.chart;
    
    // Get reference to tge current series owner object.
    ui.series;
    
    // Get legend item brush.
    ui.actualItemBrush;
    
    // Get series owner brush.
    ui.actualSeriesBrush;
});
 
// Initialize
$(".selector").igChartLegend({
    legendItemMouseLeftButtonUp: function (evt, ui) {

    }
});

  • destroy

    .igChartLegend( "destroy" );

    Destroys the widget.

    Code Sample

    	  $(".selector").igChartLegend("destroy");

  • id

    .igChartLegend( "id" );
    Return Type:
    string

    Returns the ID of the DOM element holding the legend.

    Code Sample

    	  var parentDivId = $(".selector").igChartLegend("id");

  • widget

    .igChartLegend( "widget" );

    Returns the element holding the legend.

    Code Sample

     var parentDiv = $(".selector").igChartLegend("widget");

  • ui-corner-all ui-widget-content ui-chart-legend

    Classes applied on the parent element.

  • ui-chart-legend-item

    Class applied on the legend item tr element.

  • ui-chart-legend-item-badge

    Class applied on the legend item badge td element.

  • ui-chart-legend-items-list

    Class applied on the legend items table element.

  • ui-chart-legend-item-text

    Class applied on the legend item text td element.

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