Re: TextField

From:
"Fred Kleinschmidt" <fred.l.kleinmschmidt@boeing.com>
Newsgroups:
comp.lang.java.programmer
Date:
Fri, 3 Nov 2006 21:00:27 GMT
Message-ID:
<J86ACq.L99@news.boeing.com>
"man4*.*" <no@no.com> wrote in message news:eifvkb$j3s$1@news1.carnet.hr...

THX, I've modified you're code a litle bit and found what I was looking
for..

So, I'm new in swing (new also in Java :-) ) and I was wondering....
I'm creating one let's call it aplication, with few buttons, TexFields,
RadioButt., comboBox...
right now, I'm creating classes for each component like:

class T1A implements ActionListener {
  public void actionPerformed(ActionEvent e) {
   tf1.setText(tf2.getText() );
  }
}

and calling it with tt2.addActionListener(new T1A());

and now I have to code at least 10 new classes, is there any other way?
at the moment I'm learning, and I'm coding each line, not using any GUI
builder...and that's a
lot of code to write.. ;-)


You don't even need any new classes.
Just have the class that you are writing (the one that contains
all the buttons, texts, etc.) implement ActionListener.
Then for each button:
    button.addActionListener(this);
and create an actionPerformed() method in your class
that checks the source:

 public void actionPerformed(ActionEvent e) {
     Object obj = e.getSource();
     if ( obj == button ) {
          // do something
     }
    else if ( obj == button2 ) {
        // etc.
    }
}
--
Fred L. Kleinschmidt
Boeing Associate Technical Fellow
Technical Architect, Software Reuse Project

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