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+2 A:

There are a few problems :

First of all in main.css you define a class okcancelbuttons yet in main.xul you refer to a labeledbutton class. The class can be called the same as the binding.

Secondly main.xml is just not valid xml (simplest way to validate is to load it up in firefox and it'll spit out errors). It needs xmlns attributes for each namespaces you use. In this case the "main" namespace, xbl and xul. They should be defined in the missing <bindings> element around the <binding> element.

It'll end up like this :

main.xml

<?xml version="1.0"?>
<bindings xmlns="http://www.mozilla.org/xbl"
          xmlns:xbl="http://www.mozilla.org/xbl"
          xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"&gt;
 <binding id="labeledbutton">
  <content>
    <xul:label xbl:inherits="value=title"/>
    <xul:label xbl:inherits="value"/>
  </content>
  <implementation>
    <method name="showTitle">
      <parameter name="state"/>
      <body>
        if (state) document.getAnonymousNodes(this)[0].
          setAttribute("style","visibility: visible");
        else document.getAnonymousNodes(this)[0].
          setAttribute("style","visibility: collapse");
      </body>
    </method>
  </implementation>
 </binding>
</bindings>

lithorus 2010-09-12 19:05:35

Cool! The example should be clear like this. Thanks!

Tom Brito 2010-09-13 15:01:53

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