Methods and Events

6 Mar 20188 minutes to read

Methods

redraw()

This methods redraws the entire sparkline. You can call redraw() whenever you update, add or remove points from the data source or whenever you want to refresh the UI.

  • HTML
    • <div id="container">
    <ej-sparkline></ej-sparkline>
</div>
<script>
    // Destroys range navigator
     $("#container").ejRangeNavigator("redraw");
</script>

    Events

    load

    The load event is fired before loading the sparkline.

  • HTML
    • <body ng-controller="SparkCtrl">
    <div id="container" >
        <ej-sparkline e-load=load></ej-sparkline>
    </div>
    <script>
      angular.module('SparkApp', ['ejangular'])
        .controller('SparkCtrl', function ($scope) {
                $scope.load="onLoad"
        });
        function onLoad(sender) {
            // do something
        }
    </script>
</body>

    loaded

    The loaded event is fired after sparkline in loaded.

  • HTML
    • <body ng-controller="SparkCtrl">
    <div id="container" >
        <ej-sparkline e-loaded=loaded></ej-sparkline>
    </div>
    <script>
      angular.module('SparkApp', ['ejangular'])
        .controller('SparkCtrl', function ($scope) {
                $scope.loaded="onLoaded"
        });
        function onLoaded(sender) {
            // do something
        }
    </script>
</body>

    tooltipInitialize

    Fires before rendering trackball tooltip. You can use tooltipInitialize event to customize the text displayed in trackball tooltip.

  • HTML
    • <body ng-controller="SparkCtrl">
    <div id="container" >
        <ej-sparkline e-tooltipinitialize="tooltip"></ej-sparkline>
    </div>
    <script>
      angular.module('SparkApp', ['ejangular'])
        .controller('SparkCtrl', function ($scope) {
                $scope.tooltip="onTooltipInitialize"
        });
        function onTooltipInitialize(sender) {
            // do something
        }
    </script>
</body>

    seriesRendering

    Fires before rendering a series. The seriesRendering event is fired for each series in Sparkline.

  • HTML
    • <body ng-controller="SparkCtrl">
    <div id="container" >
        <ej-sparkline e-seriesrendering="seriesRendering"></ej-sparkline>
    </div>
    <script>
      angular.module('SparkApp', ['ejangular'])
        .controller('SparkCtrl', function ($scope) {
                $scope.seriesRendering="onSeriesRender"
        });
        function onSeriesRender(sender) {
            // do something
        }
    </script>
</body>

    pointRegionMouseMove

    The pointRegionMouseMove event is fired when mouse is moved over a point.

  • HTML
    • <body ng-controller="SparkCtrl">
    <div id="container" >
        <ej-sparkline e-pointregionmousemove="regionMouseMove"></ej-sparkline>
    </div>
    <script>
      angular.module('SparkApp', ['ejangular'])
        .controller('SparkCtrl', function ($scope) {
                $scope.regionMouseMove="onRegionMouseMove"
        });
        function onRegionMouseMove(sender) {
            // do something
        }
    </script>
</body>

    pointRegionMouseClick

    The pointRegionMouseClick event is fired on clicking a point in sparkline. You can use this event to handle clicks made on points.

  • HTML
    • <body ng-controller="SparkCtrl">
    <div id="container" >
        <ej-sparkline e-pointregionmouseclick="regionMouseClick"></ej-sparkline>
    </div>
    <script>
      angular.module('SparkApp', ['ejangular'])
        .controller('SparkCtrl', function ($scope) {
                $scope.regionMouseClick="onRegionMouseClick"
        });
        function onRegionMouseClick(sender) {
            // do something
        }
    </script>
</body>

    sparklineMouseMove

    The sparklineMouseMove is fired on moving mouse over the sparkline.

  • HTML
    • <body ng-controller="SparkCtrl">
    <div id="container" >
        <ej-sparkline e-sparklinemousemove="sparklineMouseMove"></ej-sparkline>
    </div>
    <script>
      angular.module('SparkApp', ['ejangular'])
        .controller('SparkCtrl', function ($scope) {
                $scope.sparklineMouseMove="onSparklineMouseMove"
        });
        function onSparklineMouseMove(sender) {
            // do something
        }
    </script>
</body>

    sparklineMouseLeave

    The sparklineMouseLeave event is fired on moving mouse outside the sparkline.

  • HTML
    • <body ng-controller="SparkCtrl">
    <div id="container" >
        <ej-sparkline e-sparklinemouseleave="sparklineMouseLeave"></ej-sparkline>
    </div>
    <script>
      angular.module('SparkApp', ['ejangular'])
        .controller('SparkCtrl', function ($scope) {
                $scope.sparklineMouseLeave="onSparklineMouseLeave"
        });
        function onSparklineMouseLeave(sender) {
            // do something
        }
    </script>
</body>