<html> <head> <title>Set Annotation List as JSON or XML</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> <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"); // Here we will store annotations defined in the configuration file in JSON and as an XML string. var annotationsJSON = null; var annotationsXML = null; // Enabling disabled buttons when chart has rendered and save JSON and XML configuration of annotations chart.onChartDraw = function () { annotationsJSON = chart.getAnnotationListAsJSON(); annotationsXML = chart.getAnnotationListAsXML(); document.getElementById("btnOnePointAnnotStart").removeAttribute("disabled"); document.getElementById("btnTwoPointsAnnotStart").removeAttribute("disabled"); document.getElementById("btnThreePointsAnnotStart").removeAttribute("disabled"); document.getElementById("btnRemoveAll").removeAttribute("disabled"); document.getElementById("btnResetByJSON").removeAttribute("disabled"); document.getElementById("btnResetByXML").removeAttribute("disabled"); } // Enable StopDrawingAnnotation button when any annotation drawing has started chart.onAnnotationDrawingStart = function (id) { document.getElementById("btnStopDrawing").removeAttribute("disabled"); } // Disable StopDrawingAnnotation button when annotation drawing successfully finished chart.onAnnotationDrawingFinish = function (id) { document.getElementById("btnStopDrawing").setAttribute("disabled", "disabled"); } // Enable btnRemoveSelectedAnnotation button when any annotation has been selected chart.onAnnotationSelect = function (id) { document.getElementById("btnRemoveSelected").removeAttribute("disabled"); } // Disable btnRemoveSelectedAnnotation button when no annotation is selected. // This event also fires when the selected annotation has been removed, so we don't // need to duplicate this disabling code to the removeSelectedAnnotation() function. chart.onAnnotationDeselect = function (id) { document.getElementById("btnRemoveSelected").setAttribute("disabled", "disabled"); } // All available one-anchor-point annotations var onePointAnnotations = [ "VerticalLine", "HorizontalLine", "Arrow", "Label" ]; // All available two-anchor-points annotations var twoPointAnnotations = [ "Line", "FibonacciFan", "FibonacciArc", "FibonacciRetracement", "FibonacciTimezones", "InfiniteLine", "Ray", "Rectangle", "Ellipse" ]; // All available three-anchor-points annotations var threePointAnnotations = [ "Triangle", "TrendChannel", "AndrewsPitchfork" ]; // Start drawing random one-anchor-point annotation function startOnePointAnnotation() { chart.startDrawingAnnotation(onePointAnnotations[Math.floor(Math.random() * onePointAnnotations.length)]); } // Start drawing random two-anchor-points annotation function startTwoPointsAnnotation() { chart.startDrawingAnnotation(twoPointAnnotations[Math.floor(Math.random() * twoPointAnnotations.length)]); } // Start drawing random three-anchor-points annotation function startThreePointsAnnotation() { chart.startDrawingAnnotation(threePointAnnotations[Math.floor(Math.random() * threePointAnnotations.length)]); } // Stop drawing annotation function stopDrawing() { chart.stopDrawingAnnotation(); document.getElementById("btnStopDrawing").setAttribute("disabled", "disabled"); } // Removes selected annotation function removeSelected() { var id = chart.getSelectedAnnotationId() chart.removeAnnotation(id); } // Removes all annotations from the chart function removeAll() { chart.removeAllAnnotations(); } // Reset all changes made to annotations by replacing them with previously saved JSON function resetAnnotationsByJSON() { chart.setAnnotationList(annotationsJSON); } // Reset all changes made to annotations by replacing them with previously saved XML function resetAnnotationsByXML() { chart.setAnnotationList(annotationsXML); } </script> <!-- table 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; } table.settings tr td input { width: 100%; } #chartContainer { width: 800px; height: 550px; float: left; } #log { width: 700px; height: 300; background-color: #FEFEFE; border-width: 1px; border-color: #C9C6C2; border-style: solid; } </style> </head> <body> <div id="chartContainer"><!-- Chart container --></div> <table class="settings"> <tr> <th>Available Action</th> </tr> <tr> <td><input id="btnOnePointAnnotStart" type="button" value="Add one-anchor-point annotation" onclick="startOnePointAnnotation();" disabled="disabled" autocomplete="off"/></td> </tr> <tr> <td><input id="btnTwoPointsAnnotStart" type="button" value="Add two-anchor-points annotation" onclick="startTwoPointsAnnotation();" disabled="disabled" autocomplete="off"/></td> </tr> <tr> <td><input id="btnThreePointsAnnotStart" type="button" value="Add three-anchor-points annotation" onclick="startThreePointsAnnotation();" disabled="disabled" autocomplete="off"/></td> </tr> <tr> <td><input id="btnStopDrawing" type="button" value="Stop drawing annotations" onclick="stopDrawing();" disabled="disabled" autocomplete="off"/></td> </tr> <tr> <td><input id="btnRemoveSelected" type="button" value="Remove selected annotation" onclick="removeSelected();" disabled="disabled" autocomplete="off"/></td> </tr> <tr> <td><input id="btnRemoveAll" type="button" value="Remove all annotations" onclick="removeAll();" disabled="disabled" autocomplete="off"/></td> </tr> <tr> <td><input id="btnResetByJSON" type="button" value="Reset annotations using JSON" onclick="resetAnnotationsByJSON();" disabled="disabled" autocomplete="off"/></td> </tr> <tr> <td><input id="btnResetByXML" type="button" value="Reset annotations using XML" onclick="resetAnnotationsByXML();" disabled="disabled" autocomplete="off"/></td> </tr> </table> </body> </html>
Sample Description
How to use this sample?
Click "Add one-anchor-point annotation", "Add two-anchor-points annotation" or "Add three-anchor-points annotation" to start drawing mode. To abort drawing, remove selected or all click "Stop drawing annotations", "Remove selected annotation" or "Remove all annotations" respectively.
Click "Reset annotations using JSON" or "Reset annotations using XML"button to replace the current set of annotations with initial, which are stored and set in JSON or XML.
How it works
When page chart renders onChartDraw event is fired and at this point script saves annotations hard-coded in chart in JSON and XML (just for demo purposes, you don't have to do both in real application). Later, when "Reset annotations using JSON" or "Reset annotations using XML" buttons are pressed this saved data is used to set initial annotations again
When "Add one-anchor-point annotation", "Add two-anchor-points annotation" or "Add three-anchor-points annotation" button are pressed, startDrawingAnnotation() method makes chart enter drawing mode. removeAnnotation() and removeAllAnnotation() methods are used to remove annotations, stopDrawingAnnotation() to abort drawing.
When "Reset annotations using JSON" and "Reset annotations using XML"buttons are pressed, setAnnotationList() method puts saved annotations into the chart, this saved list replaces all annotations in the chart.
AnyChartStock JavaScript API
This sample uses the following methods, properties and events from AnyChartStock JavaScript API:
Item | Type | Description |
---|---|---|
getAnnotationListAsJSON | Method | Returns an array with objects of annotation type, which contains all annotations in all charts. |
getAnnotationListAsXML | Method | Returns an XML string with all annotations. XML of annotations is formatted as <annotation_list> node. |
getSelectedAnnotationId | Method | Returns id of the selected annotation. |
removeAllAnnotations | Method | Removes all annotations from all charts. |
removeAnnotation | Method | Removes an annotation from the chart. |
setAnnotationList | Method | Sets new annotation list to the chart, replacing all that are on the charts at the moment. Can be called only after onChartDraw event is fired. |
setXMLFile | Method | Sets chart XML configuration file path. |
startDrawingAnnotation | Method | Starts drawing annotation of a given type. |
stopDrawingAnnotation | Method | Ends drawing mode started by startDrawingAnnotation() method. |
write | Method | Adds the chart to HTML DOM as a child of the specified container. |
onAnnotationDeselect | Event | This event is dispatched when an annotation looses focus. |
onAnnotationDrawingFinish | Event | This event is dispatched when an annotation drawing initiated by startDrawingAnnotation() finishes. |
onAnnotationDrawingStart | Event | This event is dispatched when startDrawingAnnotation() methods is used and drawing has successfully started. |
onAnnotationSelect | Event | This event is dispatched when an annotation is selected. |
onChartDraw | Event | This event is dispatched when the AnyChart Stock is drawn. |
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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