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how to implement confirm box using java.awt

15 New Member
hi,
i am new to java.Can annybody tell me how to implement confirm box using java.awt package.
i tried by extending dialog class with 2 buttons (buttonSave and buttonDiscard) on dialog box but as ActionEventList ener has void return type i could not implement it.
Can anybody tell me any other method.

thanks in advance
Apr 15 '07 #1
2 2580
JosAH
11,448 Recognized Expert MVP
hi,
i am new to java.Can annybody tell me how to implement confirm box using java.awt package.
i tried by extending dialog class with 2 buttons (buttonSave and buttonDiscard) on dialog box but as ActionEventList ener has void return type i could not implement it.
Can anybody tell me any other method.

thanks in advance
Your ActionListeners could set a boolean member variable to false or true,
depending on which button was clicked. Add a nice convenience method to
your class (which extends the Dialog class) that basically does just this:
Expand|Select|Wrap|Line Numbers
  1. private boolean confirmed= false; // set by the ActionListeners
  2. ...
  3. public boolean isConfirmed() {
  4.    this.setVisible(true); // this thread will be suspended by the modal dialog.
  5.    return confirmed;
  6. }
In your calling code you just have to do this:
Expand|Select|Wrap|Line Numbers
  1. if ((new YourDialog(...)).isConfirmed())
  2.    // user pressed the confirm/ok/save whatever button
Your constructor initializes the entire YourDialog object but doesn't set it
visible yet; that's the task of the isConfirmed() method.

kind regards,

Jos
Apr 15 '07 #2
Mayur1234
15 New Member
thanks friend.
it solved the problem. The solution is really good.
Apr 15 '07 #3

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