Name: jtC48319 Date: 06/23/98


"actionPerformed" function is not called while
using ActionListener Interface for a modal
dialog box. Here is a sample code which works
well for non-modal and doesn't for a modal.
In this program, Clicking "Ok" should close
the dialog box. It doesn't happens so, but
the same happens well if it is a non-modal
dialog box. I tried to debug it. The function
actionPerformed was not called if it is a modal
dialog box.

import java.awt.*;
import java.awt.event.*;

class displayMsg extends Dialog implements WindowListener, ActionListener
{
String Message;
private Dialog x;
displayMsg( Frame frame, String Msg, String Title )
{
super( frame, Title, true ); // false works while true doesn't
setLayout( new FlowLayout( FlowLayout.CENTER, 50, 50 ) );
Button Ok;
Message = new String( Msg );
Ok = new Button( " Ok " );
add( Ok );
setSize( 300, 100 );
setResizable( false );
show();
addWindowListener( this );
Ok.addActionListener( this );
x = this;
}
public void paint( Graphics g )
{
g.drawString( Message, 35, 50 );
}
public void windowClosing(WindowEvent x)
{
if( x.getID() == WindowEvent.WINDOW_CLOSING )
dispose();
}
public void windowClosed(WindowEvent x){}
public void windowDeactivated(WindowEvent x){}
        public void windowActivated(WindowEvent x){}
public void windowDeiconified(WindowEvent x){}
public void windowIconified(WindowEvent x){}
public void windowOpened(WindowEvent y){}
public void actionPerformed( ActionEvent e )
{
System.out.println( "Inside action" );
if( e.getActionCommand().equals( " Ok " ) ) CmOk();
}
public void CmOk()
{
System.out.println( "Inside Ok" );
x.dispose();
}
public static void main( String args[] )
{
Frame MyFrm = new Frame();
MyFrm.setSize( 300, 300 );
MyFrm.show();
new displayMsg( MyFrm, "Check", "FYI" );
}
}
(Review ID: 34058)
======================================================================