Re: swing example

On 14 Apr 2004, at 11:26, steb wrote:

> Thanks again James for your answer, and sorry as I had replaced the 
> wrong
> groovy jar. It should have worked fine from the beginning.
> The exception coming from the line
>     display = textField(
> preferredSize:[200,30],horizontalAlignment:SwingConstants.CENTER )
> just arises from the fact that there is no preferredSize(int,int) 
> defined
> for JComponent
>     so display = textField( preferredSize: new
> Dimension(200,30),horizontalAlignment:SwingConstants.CENTER )
> runs without any trouble.
> ---
> Hereafter is a simple Swing code, adapted from the very first example 
> of the
> book "Jython essentials" without using groovy.swing.SwingBuilder. 
> What's the
> best way to invoke the function buttonPressed as the line (1) 
> generates an
> Exception? and so how to refresh the JTextField?
>
> Thanks again for your help.
> Stéphane
>
>         import javax.swing.*
>         import java.awt.*
>
>         def exit(event){
>                 System.exit(0)
>         }
>
>         def createButton(name){
>                 jbtn = new JButton(name)
>                 //?? doesn't work (generates a
> java.lang.IncompatibleClassChangeError)
>                 jbtn.actionPerformed = buttonPressed //(1)

Hmmm I'm not sure why that doesn't work. Certainly this will

	jbtn.actionPerformed = { buttonPressed(it) }

Would you mind creating a JIRA issue about this bug?

>                 return jbtn
>         }
>
>         def buttonPressed(event){
>                 //*** following line works fine when called from btn1
>                 println event.source.text
>
>                 //?? doesn't work at all
>                 jtxtField.text = event.source.text
>         }

does jtxtField exist?

James
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