michael@0: <?xml version="1.0"?>
michael@0: <?xml-stylesheet href="svg.css" type="text/css"?>
michael@0: <!DOCTYPE svg SYSTEM "SVG-20000202.dtd" > 
michael@0: <!--<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 10 January 2000//EN" --> 
michael@0: <!--  "http://www.w3.org/Graphics/SVG/SVG-19991203.dtd"> --> 
michael@0: <svg xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.svg" 
michael@0:      xmlns:html="http://www.w3.org/1999/xhtml">
michael@0: 
michael@0:   <html:script>
michael@0: <![CDATA[
michael@0: 
michael@0: var gIsInit  = false;
michael@0: var barXPnts = new Array();
michael@0: var barYPnts = new Array();
michael@0: 
michael@0: var nodes = new Array();
michael@0: var gBarMax   = 200;
michael@0: var gHeight   = 80;
michael@0: var gBarCount = 10;
michael@0: var gBarDir   = 1;
michael@0: var gGo       = true;
michael@0: 
michael@0: function init()
michael@0: {
michael@0:   dump("----------------\n");
michael@0:   nodes[0] = findNode(document.documentElement, "bar21");
michael@0:   nodes[1] = findNode(document.documentElement, "bar22");
michael@0:   nodes[2] = findNode(document.documentElement, "bar23");
michael@0:   nodes[3] = findNode(document.documentElement, "bargrid21");
michael@0:   nodes[4] = findNode(document.documentElement, "bargrid22");
michael@0:   nodes[5] = findNode(document.documentElement, "bargrid23");
michael@0:   dump("----------------\n");
michael@0:   gGo = true;
michael@0:   setTimeout("moveit()", 100);
michael@0: }
michael@0: function stop()
michael@0: {
michael@0:   gGo = false;
michael@0: }
michael@0: function ChangeBar(name, height)
michael@0: {
michael@0:   today = new Date();
michael@0:   stime = today.getMilliseconds();
michael@0:   dump("----------------\n");
michael@0:   str = name+"1";
michael@0:   node = findNode(document.documentElement, str); 
michael@0:   //node = document.getElementById(str);
michael@0:   today = new Date();
michael@0:   etime = today.getMilliseconds();
michael@0:   dump("1----------------"+(etime-stime)+"\n");
michael@0:   attr = document.createAttribute("points"); 
michael@0:   attr.value = "30 " + height + " 30 210 50 210 50 " + height;
michael@0:   node.attributes.setNamedItem(attr); 
michael@0:   today = new Date();
michael@0:   stime = today.getMilliseconds();
michael@0:   dump("2----------------"+(stime-etime)+"\n");
michael@0: 
michael@0:   str = name+"2";
michael@0:   node = findNode(document.documentElement, str); 
michael@0:   dump("3----------------\n");
michael@0:   attr.value = "30 " + height + " 50 " + height + " 60 " + (height-10) + " 40 " + (height-10);
michael@0:   node.attributes.setNamedItem(attr); 
michael@0:   dump("4----------------\n");
michael@0: 
michael@0:   str = name+"3";
michael@0:   node = findNode(document.documentElement, str); 
michael@0:   dump("5----------------\n");
michael@0:   attr.value = "50 " + height + " 60 " + (height-10) + " 60 200 50 210";
michael@0:   node.attributes.setNamedItem(attr); 
michael@0:   dump("=================\n");
michael@0: }
michael@0: 
michael@0: function ChangeBarWithNodes(node1, node2, node3, height)
michael@0: {
michael@0:   attr = document.createAttribute("points"); 
michael@0:   attr.value = "30 " + height + " 30 210 50 210 50 " + height;
michael@0:   node1.attributes.setNamedItem(attr); 
michael@0: 
michael@0:   attr.value = "30 " + height + " 50 " + height + " 60 " + (height-10) + " 40 " + (height-10);
michael@0:   node2.attributes.setNamedItem(attr); 
michael@0: 
michael@0:   attr.value = "50 " + height + " 60 " + (height-10) + " 60 200 50 210";
michael@0:   node3.attributes.setNamedItem(attr); 
michael@0: }
michael@0: 
michael@0: function moveit()
michael@0: {
michael@0:   //ChangeBar("bar2", 150);
michael@0:   //ChangeBar("bargrid2", 150);
michael@0: 
michael@0:   ChangeBarWithNodes(nodes[0], nodes[1], nodes[2], gHeight);
michael@0:   ChangeBarWithNodes(nodes[3], nodes[4], nodes[5], gHeight);
michael@0: 
michael@0:   gHeight += gBarDir;
michael@0:   gBarCount--;
michael@0:   //dump("gHeight: "+gHeight+"   gBarCount: "+gBarCount+"  gBarDir: "+gBarDir+"\n");
michael@0:   if (gHeight > gBarMax || gHeight < 1) {
michael@0:     gBarDir *= -1;
michael@0:     gBarCount = (Math.random() * 15)+3;
michael@0:     //dump("Changining directions: "+gBarDir+"\n");
michael@0:     if (gHeight > gBarMax) {
michael@0:       gHeight = gBarMax;
michael@0:     } else {
michael@0:       gHeight = 1;
michael@0:     }
michael@0:   } else {
michael@0:     if (gBarCount < 1) {
michael@0:       gBarDir *= -1;
michael@0:       gBarCount = (Math.random() * 15)+3;
michael@0:       //dump("----> "+gBarCount+"\n");
michael@0:     }
michael@0:   }
michael@0:   if (gGo) {
michael@0:     setTimeout("moveit()", 100);
michael@0:   }
michael@0: 
michael@0: }
michael@0: 
michael@0: function findNode(node, nodename)
michael@0: {
michael@0:   var type = node.nodeType;
michael@0:   if (type == Node.ELEMENT_NODE) {
michael@0: 
michael@0:       // open tag
michael@0:       //dump("\<" + node.tagName);
michael@0: 
michael@0:       // dump the attributes if any
michael@0:       attributes = node.attributes;
michael@0:       if (null != attributes) {
michael@0:         var countAttrs = attributes.length;
michael@0:         var index = 0;
michael@0:         while(index < countAttrs) {
michael@0:           att = attributes[index];
michael@0:           if (null != att) {
michael@0:             //dump(" " + att.name + "=" + att.value+" ["+nodename+"]\n");
michael@0:             if (att.name == "id" && att.value == nodename) {
michael@0:               //dump("Found it!\n");
michael@0:               return node;
michael@0:             }
michael@0:           }
michael@0:           index++;
michael@0:         }
michael@0:       }
michael@0: 
michael@0:       // recursively dump the children
michael@0:       if (node.hasChildNodes()) {
michael@0: 	      // close tag
michael@0:         //dump(">");
michael@0: 
michael@0:         // get the children
michael@0:         var children = node.childNodes;
michael@0:         var length = children.length;
michael@0:         var count = 0;
michael@0:         while(count < length) {
michael@0:           child = children[count];
michael@0:           fndNode = findNode(child, nodename);
michael@0:           if (fndNode != null) {
michael@0:             return fndNode;
michael@0:           }
michael@0:           count++;
michael@0:         }
michael@0:         //dump("</" + node.tagName + ">");
michael@0:       } else {
michael@0: 	      // close tag
michael@0:         //dump("/>");
michael@0:       }
michael@0: 
michael@0:       
michael@0:   }
michael@0:   // if it's a piece of text just dump the text
michael@0:   else if (type == Node.TEXT_NODE) {
michael@0:       //dump(node.data);
michael@0:   }
michael@0:   return null;
michael@0: }
michael@0: 
michael@0: ]]>
michael@0:   </html:script>	
michael@0: 
michael@0:   <g>
michael@0:     <polyline x="55" y="10" id="bg" points="20 0 220 0 220 200 20 200"/> 
michael@0:     <polyline x="55" y="10" id="bg" points="20 0 20 200 0 220 0 20 0 20  20 0"/> 
michael@0:     <polyline x="55" y="10" id="bg" points="20 200 220 200 200 220 0 220"/> 
michael@0: 
michael@0:     <polyline x="55" y="10" id="grid" points="20 0 220 0 220 200 20 200"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="20 0 20 200 0 220 0 20 0 20"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="20 200 220 200 200 220 0 220"/> 
michael@0: 
michael@0:     <polyline x="55" y="10" id="grid" points="20  220 40  200  40   0"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="40  220 60  200  60   0"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="60  220 80  200  80   0"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="80  220 100 200  100  0"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="100 220 120 200  120  0"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="120 220 140 200  140  0"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="140 220 160 200  160  0"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="160 220 180 200  180  0"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="180 220 200 200  200  0"/> 
michael@0: 
michael@0:     <polygon x="55" y="10" id="bar1" points="30 60 30 210 50 210 50 60"/> 
michael@0:     <polygon x="55" y="10" id="bar1" points="30 60 50 60 60 50 40 50"/> 
michael@0:     <polygon x="55" y="10" id="bar1" points="50 60 60 50 60 200 50 210"/> 
michael@0: 
michael@0:     <polyline x="55" y="10" id="grid" points="30 60 30 210 50 210 50 60"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="30 60 50 60 60 50 40 50"/> 
michael@0:     <polyline x="55" y="10" id="grid" points="50 60 60 50 60 200 50 210"/> 
michael@0: 
michael@0: 
michael@0:     <polygon x="95" y="10" id="bar21" points="30 80 30 210 50 210 50 80"/> 
michael@0:     <polygon x="95" y="10" id="bar22" points="30 80 50 80  60 70  40 70"/> 
michael@0:     <polygon x="95" y="10" id="bar23" points="50 80 60 70  60 200 50 210"/> 
michael@0: 
michael@0:     <polyline x="95" y="10" id="bargrid21" points="30 80 30 210 50 210 50 80"/> 
michael@0:     <polyline x="95" y="10" id="bargrid22" points="30 80 50 80  60 70  40 70"/> 
michael@0:     <polyline x="95" y="10" id="bargrid23" points="50 80 60 70  60 200 50 210"/> 
michael@0: 
michael@0:     <polygon x="400" y="20" id="rect" points="10 10 50 10 50 50"/> 
michael@0:     <polygon x="400" y="75" id="poly" points="10 10 50 10 50 50 45 70 32 32 80 20"/> 
michael@0:     <polyline x="400" y="150" id="poly" points="10 10 50 10 50 50 45 70 32 32 80 20"/> 
michael@0: 
michael@0:   </g>
michael@0:   <foreignobject>
michael@0:     <html:div style="position:absolute;top:5px;left:385px;">Simple Polygons</html:div>
michael@0:     <html:div style="position:absolute;top:240px;left:115px;">A Simple Graph</html:div>
michael@0:     <html:input type="button" style="position:absolute;top:260px;left:350px;" onclick="init();" value="Start"/>
michael@0:     <html:input type="button" style="position:absolute;top:260px;left:390px;" onclick="stop();" value="Stop"/>
michael@0:   </foreignobject>
michael@0: </svg>