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>dojox.gfx: 2 draggable circles</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>
<script type="text/javascript" src="../../../dojo/dojo.js"></script>
<script type="text/javascript">
dojo.require("dojox.gfx");
dojo.require("dojox.gfx.move");
var container = null,
surface = null,
surface_size = null;
function makeCircles(){
// our geometry
var x1 = 100, y1 = 100, x2 = 400, y2 = 400, r = 50;
// our shapes
var line = surface.createLine({x1: x1, y1: y1, x2: x2, y2: y2}).setStroke("red"),
circle1 = surface.createCircle({cx: x1, cy: y1, r: r}).setStroke("red").setFill("white"),
circle2 = surface.createCircle({cx: x2, cy: y2, r: r}).setStroke("red").setFill("white");
// circle movers
var m1 = new dojox.gfx.Moveable(circle1),
m2 = new dojox.gfx.Moveable(circle2);
// custom event processing
dojo.connect(m1, "onMoved", function(mover, shift){
var o = line.getShape();
line.setShape({x1: o.x1 + shift.dx, y1: o.y1 + shift.dy, x2: o.x2, y2: o.y2});
});
dojo.connect(m2, "onMoved", function(mover, shift){
var o = line.getShape();
line.setShape({x1: o.x1, y1: o.y1, x2: o.x2 + shift.dx, y2: o.y2 + shift.dy});
});
}
function initGfx(){
container = dojo.byId("gfx_holder");
surface = dojox.gfx.createSurface(container, 500, 500);
surface_size = {width: 500, height: 500};
makeCircles();
// cancel text selection and text dragging
dojo.connect(container, "ondragstart", dojo, "stopEvent");
dojo.connect(container, "onselectstart", dojo, "stopEvent");
}
dojo.addOnLoad(initGfx);
</script>
<style type="text/css">
.movable { cursor: pointer; }
</style>
</head>
<body>
<h1>dojox.gfx: 2 draggable circles</h1>
<p>Warning: Canvas renderer doesn't implement event handling.</p>
<div id="gfx_holder" style="width: 500px; height: 500px;"></div>
</body>
</html>