| extending an extended JFrame [message #610339] |
Fri, 19 August 2005 13:55 |
Eclipse User |
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Originally posted by: codedragon.runbox.com
I am trying to extend a class that is an extension of JFrame. The VE seems
to insist that FooFrameExtended defines its own content pane. I am trying
to define a code Frame class that extends JFrame that my future programs
will use. What am I doing wrong?
Damon Jacobsen
example using Eclipse 3.1.0 and Visual Editor 1.1.0 :
public class FooFrame extends JFrame {
private JPanel jContentPanel = null;
public FooFrame() {
initialize();
}
private void initialize() {
this.setSize(new java.awt.Dimension(300, 200));
this.setContentPane(getJContentPanel());
}
private JPanel getJContentPanel() {
if (jContentPanel == null) {
jContentPanel = new JPanel();
}
return jContentPanel;
}
}
public class FooFrameExtended extends FooFrame {
private JPanel jPanel = null;
FooFrameExtended()
{
super();
initialize();
}
private void initialize()
{
this.getContentPane().add(getJPanel());
}
/**
* This method initializes jPanel
*
* @return javax.swing.JPanel
*/
private JPanel getJPanel() {
if (jPanel == null) {
jPanel = new JPanel();
}
return jPanel;
}
}
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