Hallo!
Ich verwende D3 um use-Elemente im SVG Canvas mit der Maus zu verschieben. Leider klappt es nicht. Hat jemand eine Idee was hier falsch ist? Danke im Voraus
<html>
<head>
<meta charset="utf-8">
<title>Test</title>
<script type="text/javascript" src="http://d3js.org/d3.v2.min.js"></script>
</head>
<body>
<style>
circle{
fill: #FF1100;
stroke: #00CCCC;
}
</style>
<svg viewBox = "0 0 1000 1000"
xmlns="http://www.w3.org/2000/svg"
xmlns:xlink="http://www.w3.org/1999/xlink">
<defs>
<symbol id="test1">
<circle r="8" cy="8" cx="8">
</symbol>
<symbol id="test2">
<circle r="4" cy="8" cx="8">
</symbol>
</defs>
<use id="a20" x = "200" y = "150" xlink:href = "#test1"/>
<use id="a20" x = "200" y = "250" xlink:href = "#test2"/>
</svg>
<script type="text/javascript">
var element= null;
//****
d3.selectAll("use")
.on("mousedown", function(){element=this;})
.on("mouseup", function(){element = null;});
d3.selectAll("svg")
.on("mousemove", function(){ if (element!=null)
{
var mouse=d3.svg.mouse(this);
d3.select(this).attr("x", mouse[1]);
d3.select(this).attr("y", mouse[2]);
}});
</script>
</body>
</html>