Subj : Re: Implementing Java Interfaces NOT using Rhino
To   : netscape.public.mozilla.jseng
From : Martin Honnen
Date : Thu Jul 15 2004 08:20 pm



Keno Albrecht wrote:

> Hm, I see what you mean, but if I try the following example, I get the 
> error "There is no Java method javax.swing.JButton.addActionListener 
> that matches JavaScript argument types (object). Candidate methods with 
> the same name are: void addActionListener(java.awt.event.ActionListener)
> 
> var actionListener = {
>   actionPerformed: function() {
>     java.lang.System.out.println("Say Cheese");
>   }
> }
> 
> var frame = new Packages.javax.swing.JFrame();
> var button = new Packages.javax.swing.JButton("No Cheese, Gromit");
> button.addActionListener(actionListener);
> frame.getContentPane().add(button);
> frame.setVisible(true);
> 
> Do I have to cast the "actionListener" (how?) before passing it to 
> addActionListener? Something else wrong :-)?

I don't think that works with Spidermonkey, with Rhino there is 
JavaAdapter as explained in
   http://www.mozilla.org/rhino/ScriptingJava.html
but I don't think anything like that is implemented in the C engine.

-- 

	Martin Honnen
	http://JavaScript.FAQTs.com/

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