Re: Keyboard Navigation Code - XPathEvaluate - need help

Thanks martin

That helped - the code is working and I manage to make it work with XUl

Thanks a lot!

Adys

"Martin Honnen" <[email protected]> wrote in message 
news:[email protected]...
>
>
> Ady Shimony wrote:
>
>
>> My XUL looks like this
>>
>> <?xml version="1.0" encoding="UTF-8"?>
>> <?xml-stylesheet href="/css/default_PC.css" type="text/css"?>
>> <window width="602" height="452" style="background: #FFFFFF;" 
>> xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" 
>> title="Screen2" UserEdit="yes" align="left">
>> <stack>
>> <button id="Button1" width="80" height="28" left="44" top="41" 
>> style="background: #5F6BA7;border-color: #6E7AB0;" label="My 
>> Button"></button>
>> <button id="Button2" width="80" height="28" left="155" top="40" 
>> style="background: #5F6BA7;border-color: #6E7AB0;" label="My 
>> Button"></button>
>> <button id="Button3" width="80" height="28" left="249" top="37" 
>> style="background: #5F6BA7;border-color: #6E7AB0;" label="My 
>> Button"></button>
>> </stack>
>> </window>
>>
>> I don't understand how to make the resolver undertand ?
>
> Here is a working example, the prefix 'xul' is bound to the XUL namespace 
> so that in XPath expression you can use 'xul:xulelementname' e.g. 
> 'xul:button' to access XUL elements:
>
> <?xml version="1.0" encoding="UTF-8"?>
> <window width="602" height="452" style="background: #FFFFFF;"
> xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
> xmlns:xhtml="http://www.w3.org/1999/xhtml"
> title="Screen2" align="left">
> <script type="text/javascript">
> <![CDATA[
> function testXPathEvaluation () {
>   var resolver = document.createNSResolver(document.documentElement);
>   var xpathResult = document.evaluate(
>     '//xul:button | //xhtml:input',
>     document,
>     function lookupNamespaceURI (prefix) {
>       var nsURI = null;
>       switch (prefix) {
>         case 'xul':
>           nsURI = 
> 'http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul';
>           break;
>         default:
>           nsURI = resolver.lookupNamespaceURI(prefix);
>           break;
>       }
>       return nsURI;
>     },
>     XPathResult.ORDERED_NODE_ITERATOR_TYPE,
>     null
>   );
>   var result = '';
>   var node;
>   while ((node = xpathResult.iterateNext())) {
>     result += 'nodeType: ' + node.nodeType + '; nodeName: ' + 
> node.nodeName + '\r\n';
>   }
>   alert(result);
> }
> ]]>
> </script>
> <stack>
> <button id="Button1" width="80" height="28" left="44" top="41"
> style="background: #5F6BA7;border-color: #6E7AB0;" label="My 
> Button"></button>
> <button id="Button2" width="80" height="28" left="155" top="40"
> style="background: #5F6BA7;border-color: #6E7AB0;" label="My 
> Button"></button>
> <button id="Button3" width="80" height="28" left="249" top="37"
> style="background: #5F6BA7;border-color: #6E7AB0;" label="My 
> Button"></button>
> <xhtml:input type="button" value="html click button" 
> onclick="testXPathEvaluation();"/>
> </stack>
> </window>
>
> As said the problem with XPath (XPath 1.0) is that any XPath expression 
> trying to access elements in the default namespace (e.g. <element 
> xmlns="http://example.com/whatever">) needs to use a prefix bound to that 
> namespace.
>
> -- 
>
> Martin Honnen
> http://JavaScript.FAQTs.com/