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Open JFrame from JFrame

Posted on 2004-04-17
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Last Modified: 2008-02-26
Hi
How do I open a new frame by clickingon a menu item in the first main frame? I tried it but something must be wrong since nothing happens when i click on the menu item anymore
I'm sure this is simple for you experts but it's urgent
thanks
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Question by:Samooramad
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7 Comments
 
LVL 86

Expert Comment

by:CEHJ
ID: 10849175
In the menu item event handler:


addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
            otherFrame.show();
      }
});
0
 

Author Comment

by:Samooramad
ID: 10849206
I'm not sure if that is the problem. The made the secondary frame into a class and declared it with something like:

secframeclass newframe = new secframeclass();

is that wrong?
0
 
LVL 86

Expert Comment

by:CEHJ
ID: 10849213
>>is that wrong?

No - not necessarily. Obviously you need to set the size before you show it.
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Author Comment

by:Samooramad
ID: 10849228
so i still need to call it with show?
could you give me an example?
0
 
LVL 86

Accepted Solution

by:
CEHJ earned 2000 total points
ID: 10849317
Something like:


public class F extends JFrame {
      JFrame otherFrame;
      JPanel buttonPanel;


      private void setGui() {
            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            // Create other frame
            otherFrame = new JFrame("Hello");
            otherFrame.setSize(100, 100);
            buttonPanel = new JPanel();
            JButton bnShowFrame = new JButton("Show/hide frame");
            buttonPanel.add(bnShowFrame);
            bnShowFrame.addActionListener(
                  new ActionListener() {
                        public void actionPerformed(ActionEvent e) {
                              otherFrame.setVisible(!otherFrame.isVisible());
                        }
                  });
            getContentPane().add(buttonPanel, BorderLayout.CENTER);
      }


      public static void main(String[] args) {
            F f = new F();
            f.setGui();
            f.pack();
            f.setVisible(true);
      }
}

0
 

Author Comment

by:Samooramad
ID: 10849382
thaaaaaaaaaaaaaaaaaaaaaaaank you
that was quick and great!!!!
0
 
LVL 86

Expert Comment

by:CEHJ
ID: 10849408
8-)
0

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