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comparison CADDSuite-1.5/data/OpenBabel/svgformat.script @ 7:bfab27640f5e draft

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CADDSuite version 1.5
author Marcel Schumann <schumann.marcel@gmail.com>
date Tue, 24 Jul 2012 11:13:59 -0400
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6:decca54699e3 7:bfab27640f5e
1 <script type="text/ecmascript">
2 <![CDATA[
3 addEventListener('DOMMouseScroll', wheel, false);
4 onmousewheel = wheel;
5 var svgEl = document.getElementById("topsvg");
6 var startx=0;
7 var starty=0;
8 function wheel(evt){
9 evt = evt ? evt : window.event;
10 var normal = evt.detail ? evt.detail * -1 : evt.wheelDelta / 40;
11 var vb = new Array(4);
12 var vbtext = svgEl.getAttributeNS(null,"viewBox");
13 vb = vbtext.split(" ");
14 var zoom = (normal<0)? 1.41 : 0.71;
15 //var dwidth = parseFloat(Math.max(vb[2],vb[3])) * (1-zoom);
16 vb[0] = parseFloat(vb[0]) + parseFloat(vb[2])*(1-zoom) * evt.clientX/innerWidth;
17 vb[1] = parseFloat(vb[1]) + parseFloat(vb[3])*(1-zoom) * evt.clientY/innerHeight;
18 vb[2] = parseFloat(vb[2]) * zoom;
19 vb[3] = parseFloat(vb[3]) * zoom;
20 svgEl.setAttributeNS(null, "viewBox", vb.join(" "));
21 if (evt.preventDefault)
22 evt.preventDefault(); // Don't scroll the page when zooming
23 }
24 onmousedown = function(evt) {
25 startx = evt.clientX;
26 starty = evt.clientY;
27 }
28 onmousemove=function(evt) {
29 if(startx!=0 && starty!=0
30 && ((evt.clientX - startx)*(evt.clientX - startx)+(evt.clientY - starty)*(evt.clientY - starty)>100))
31 {
32 var vbtext = svgEl.getAttributeNS(null,"viewBox");
33 vb = vbtext.split(" ");
34 var maxwh = Math.max(parseFloat(vb[2]),parseFloat(vb[3]));
35 vb[0] = parseFloat(vb[0]) - (evt.clientX - startx)*maxwh/innerWidth;
36 vb[1] = parseFloat(vb[1]) - (evt.clientY - starty)*maxwh/innerHeight;
37 svgEl.setAttributeNS(null, "viewBox", vb.join(" "));
38 startx = evt.clientX;
39 starty = evt.clientY;
40 }
41 }
42 onmouseup=function() {
43 startx=0;
44 starty=0;
45 }
46 ondblclick=function() {
47 location.reload();
48 }
49 ]]>
50 </script>