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<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office">
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<head>
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<title>dojox.gfx: 100 draggable circles</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<style type="text/css">
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@import "../../../dojo/resources/dojo.css";
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@import "../../../dijit/tests/css/dijitTests.css";
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</style>
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<!--
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The next line should include Microsoft's Silverligth.js, if you plan to use the silverlight backend
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<script type="text/javascript" src="Silverlight.js"></script>
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-->
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<script type="text/javascript" src="../../../dojo/dojo.js"></script>
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<script type="text/javascript">
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dojo.require("dojox.gfx");
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dojo.require("dojox.gfx.move");
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var container = null;
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var container_position = null;
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var surface = null;
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var surface_size = null;
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function getRand(from, to){
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return Math.random() * (to - from) + from;
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}
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var skew_stat_factor = 15;
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function getRandSkewed(from, to){
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// let skew stats to smaller values
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var seed = 0;
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for(var i = 0; i < skew_stat_factor; ++i){
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seed += Math.random();
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}
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seed = 2 * Math.abs(seed / skew_stat_factor - 0.5);
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return seed * (to - from) + from;
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}
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function randColor(alpha){
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var red = Math.floor(getRand(0, 255));
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var green = Math.floor(getRand(0, 255));
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var blue = Math.floor(getRand(0, 255));
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var opacity = alpha ? getRand(0.1, 1) : 1;
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return [red, green, blue, opacity];
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}
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var gShapes = {}
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var gShapeCounter = 0;
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function makeCircleGrid(itemCount){
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var minR = 10, maxR = surface_size.width / 3;
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for(var j = 0; j < itemCount; ++j){
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var r = getRandSkewed(minR, maxR);
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var cx = getRand(r, surface_size.width - r);
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var cy = getRand(r, surface_size.height - r);
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var shape = surface.createCircle({cx: cx, cy: cy, r: r})
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.setFill(randColor(true))
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.setStroke({color: randColor(true), width: getRand(0, 3)})
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;
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new dojox.gfx.Moveable(shape);
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}
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}
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function initGfx(){
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container = dojo.byId("gfx_holder");
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container_position = dojo.coords(container, true);
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surface = dojox.gfx.createSurface(container, 500, 500);
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surface_size = {width: 500, height: 500};
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makeCircleGrid(100);
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// cancel text selection and text dragging
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dojo.connect(container, "ondragstart", dojo, "stopEvent");
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dojo.connect(container, "onselectstart", dojo, "stopEvent");
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}
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dojo.addOnLoad(initGfx);
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</script>
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<style type="text/css">
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.movable { cursor: pointer; }
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</style>
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</head>
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<body>
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<h1>dojox.gfx: 100 draggable circles</h1>
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<p>Warning: Canvas renderer doesn't implement event handling.</p>
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<div id="gfx_holder" style="width: 500px; height: 500px;"></div>
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</body>
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</html>
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