dojox
Version:
Dojo eXtensions, a rollup of many useful sub-projects and varying states of maturity – from very stable and robust, to alpha and experimental. See individual projects contain README files for details.
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HTML
<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" >
<head>
<title>Testing surface.destroy()</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
@import "../../../../dojo/resources/dojo.css";
@import "../../../../dijit/tests/css/dijitTests.css";
</style>
<!-- SVGWEB { -->
<meta name="svg.render.forceflash" content="true"/>
<script src="svgweb/src/svg.js" data-path="svgweb/src"></script>
<script src="../../../../dojo/dojo.js" data-dojo-config="isDebug:true,forceGfxRenderer:'svg'" type="text/javascript"></script>
<!-- } -->
<script type="text/javascript">
dojo.require("dojox.gfx");
surface = null;
makeShapes = function(){
if(surface){
surface.destroy();
surface = null;
var t = dojo.byId("test").innerHTML;
if(t){
console.error("Garbage detected: " + t);
}else{
console.log("The parent node was cleaned up properly.");
}
}
surface = dojox.gfx.createSurface("test", 500, 500);
/* SVGWEB { */
surface.whenLoaded(function() {
var path = surface.createPath("");
// form concentric circles
var center = {x: 250, y: 250};
for(var r = 200; r > 0; r -= 30){
// make two 180 degree arcs to form a circle
var start = {x: center.x, y: center.y - r};
var end = {x: center.x, y: center.y + r};
path.moveTo(start).arcTo(r, r, 0, true, true, end).arcTo(r, r, 0, true, true, start).closePath();
}
// set visual attributes
path.setFill("red").setStroke("black");
});
/* } */
};
dojo.addOnLoad(makeShapes);
</script>
</head>
<body>
<h1>Testing surface.destroy()</h1>
<p><button onclick="makeShapes();">Regenerate</button></p>
<p><em>See the firebug log for detailed reports.</em></p>
<div id="test" style="width: 500px; height: 500px;"></div>
<p>That's all Folks!</p>
</body>
</html>