Re: Javascript createElement: bug in batik?

[Marcel Ruff]

Marcel Ruff wrote:
Hi,

i'm using Batik 1.5 on Linux with java 1.4.1
OK, it is resolved, this works:

   function doInit(evt) {
      var svgDoc = evt.target.ownerDocument;
      var svgNS = "http://www.w3.org/2000/svg";;
      var svgXLink = "http://www.w3.org/1999/xlink";;
      var svgRoot = svgDoc.getDocumentElement(); // get the root element (the svg 
element)
      var use = svgDoc.createElementNS(svgNS, "use");
      use.setAttributeNS(null, "id", "ZZ");
      use.setAttributeNS(svgXLink, "xlink:href", "#XX");
      svgRoot.appendChild(use);
   }
(it is described in the batik FAQ)

thanks

Marcel

In the <defs> section i have defined a rectangle
from which i want to create many instances with Javascript,
but nothing is displayed.
Showing the <def> directly with
  <use id="ZZ" xlink:href="#XX"/>

works fine.
Here is the failing code:
------------------------------------------
<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN"
"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd";>
<svg xmlns="http://www.w3.org/2000/svg"; 
xmlns:xlink="http://www.w3.org/1999/xlink";
     width="800" height="500" viewBox="0 0 800 500"
     onload="doInit(evt)">

<defs>
   <script type="text/ecmascript">
   <![CDATA[
   function doInit(evt) {
      var svgDoc = evt.target.ownerDocument;
      var svgTag = svgDoc.getFirstChild();
      var use = svgDoc.createElement("use");
      use.setAttribute("id", "ZZ");
      use.setAttributeNS("http://www.w3.org/1999/xlink";, "href", "#XX");
      svgTag.appendChild(use);
      // test:
      var el = svgDoc.getElementById("ZZ");
      alert("elem=" + use.getAttribute("id"));
      alert("elem=" + use.getAttribute("href"));
   }
  ]]>
  </script>
  <rect id="XX" x="10" y="10" width="20" height="100" style="fill:blue"/>
</defs>
    <!-- use id="ZZ" xlink:href="#XX"/ -->

</svg>
---------------------------------------------
Is this a bug in batik or do i make a mistake?

thanks for some help

Marcel





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