<html> <head> <title>Selecting event markers using JavaScript</title> <meta http-equiv="content-type" content="text/html;charset=utf-8"/> <script type="text/javascript" language="javascript" src="./../js/AnyChartStock.js?v=1.9.0r9317"></script> <!-- chart size settings --> <style type="text/css"> #chartContainer { width: 800px; height: 550px; float: left; } </style> <script type="text/javascript" language="javascript"> // Creating new chart object. var chart = new AnyChartStock("./../swf/AnyChartStock.swf?v=1.9.0r9317", "./../swf/Preloader.swf?v=1.9.0r9317"); // Setting XML config file. chart.setXMLFile("config.xml"); // Writing the flash object into the page DOM. chart.write("chartContainer"); // function to select event marker on the chart function selectEventMarker() { // find what to select var groups = document.getElementsByName("targetMarker"); var targetMarker = null; for (var i = 0;i<groups.length;i++) { if (groups[i].checked) { targetMarker = groups[i]; break; } } if (targetMarker == null) return; // get id of event marker var val = targetMarker.value; if (val == "None") chart.resetEventMarkerSelection("idMainChart"); // val = None stands for deselect else chart.selectEventMarker("K", val); // select event marker on the chart by id } // select event marker event chart.onEventMarkerSelect = function(info) { // set checked var groups = document.getElementsByName("targetMarker"); for (var i = 0;i<groups.length;i++) groups[i].checked = groups[i].id == info.id; }; //--------------------------------------------------------------------------------------------------- // Enable html controls //--------------------------------------------------------------------------------------------------- chart.onChartDraw = function() { var groups = document.getElementsByName("targetMarker"); for (var i = 0;i<groups.length;i++) groups[i].removeAttribute("disabled"); chart.onChartDraw = null; } </script> <!-- style settings --> <style type="text/css"> table.settings { border-style: solid; border-width: 1px; border-color: #D0CDC9; } table.settings tr th { font:normal 60% Verdana; background-color: #DCD9D5; font-weight:bold; padding-bottom:5px; padding-top:5px; padding-left:10px; padding-right:10px; text-align:left; } table.settings tr td { background-color: #F8F4F0; font:normal 70% Verdana; padding-bottom:2px; padding-top:2px; padding-left:10px; padding-right:10px; text-align:left; } </style> </head> <body> <table> <tr> <td> <table class="settings"> <tr> <th>Select event marker on the chart or via option selector:</th> </tr> <tr><td><div id="chartContainer"><!-- Chart Container --></div></td></tr> </table> </td> <td valign="top"> <table class="settings"> <tr><th colspan="2">Select event marker:</th></tr> <tr> <td width="20"><input type="radio" disabled="disabled" checked="true" value="None" name="targetMarker" onclick="selectEventMarker()" id="None" /></td> <td><label for="None"><strong>None</strong></label></td> </tr> <tr> <td><input type="radio" value="A" disabled="disabled" name="targetMarker" onclick="selectEventMarker()" id="A"/></td> <td><label for="A"><strong>A</strong></label></td> </tr> <tr> <td><input type="radio" value="B" disabled="disabled" name="targetMarker" onclick="selectEventMarker()" id="B" /></td> <td><label for="B"><strong>B</strong></label></td> </tr> <tr> <td><input type="radio" value="C" disabled="disabled" name="targetMarker" onclick="selectEventMarker()" id="C" /></td> <td><label for="C"><strong>C</strong></label></td> </tr> <tr> <td><input type="radio" value="D" disabled="disabled" name="targetMarker" onclick="selectEventMarker()" id="D" /></td> <td><label for="D"><strong>D</strong></label></td> </tr> <tr> <td><input type="radio" value="E" disabled="disabled" name="targetMarker" onclick="selectEventMarker()" id="E" /></td> <td><label for="E"><strong>E</strong></label></td> </tr> </table> </td> </tr> </table> </body> </html>
Sample Description
How to use this sample?
Use option selector to the right of the chart to select event markers on the chart or select markers on the chart - option selector is instantly updated.
How it works
This sample handles onEventMarkerSelect event to update option selector and show what event marker is selected and selectEventMarker method to select proper event marker on the chart (and resetEventMarkerSelection to clear the selection).
You can read more about event markers in Event Markers section and find full list of available events and handling guide in Events Handling article.
AnyChartStock JavaScript API
This sample uses the following methods, properties and events from AnyChartStock JavaScript API:
Item | Type | Description |
---|---|---|
resetEventMarkerSelection | Method | Resets event marker selection in a specified chart. |
selectEventMarker | Method | Selects an event marker by its id and its group id. |
setXMLFile | Method | Sets chart XML configuration file path. |
write | Method | Adds the chart to HTML DOM as a child of the specified container. |
onChartDraw | Event | This event is dispatched when the AnyChart Stock is drawn. |
onEventMarkerSelect | Event | This event is dispatched when an event marker is selected. |
Prerequisites
This section lists all configuration, data and auxiliary files required for this sample.
Configuration file
CSV files
SWF files
- AnyChartStock.swf - AnyChart Stock component.
- Preloader.swf - AnyChart Stock helper component that loads the main component (AnyChartStock.swf) and displays loading progress.
JavaScript Libraries
- AnyChartStock.js - A JavaScript library that is shipped with AnyChart Stock component. It is used to embed the component into HTML DOM and to comunicate with the Flash part.
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