| VerifyEvent and keycode MacOSX [message #57749] |
Sat, 31 May 2003 19:14 |
Eclipse User |
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Originally posted by: pdrolet.mac.com
Hi,
I have been trying to do some validation of inputs in Text control. I
want that only numbers be allowed. I add a VerifyLister to the control
Here is the code of the listener:
/*
* Created on 2003-04-25
*
* To change the template for this generated file go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
package ca.infodata.fmedx.listeners;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.VerifyEvent;
import org.eclipse.swt.events.VerifyListener;
import org.apache.commons.validator.*;
/**
* @author pdrolet
*
* To change the template for this generated type comment go to
* Window>Preferences>Java>Code Generation>Code and Comments
*/
public class NumberVerifyListener implements VerifyListener{
static boolean lDone = false;
private static final NumberVerifyListener instance = new
NumberVerifyListener();
// protected NumberVerifyListener(){
// }
/*
* @see
org.eclipse.swt.events.VerifyListener#verifyText(org.eclipse .swt.events.VerifyEvent)
*/
public void verifyText(VerifyEvent e) {
System.out.println("e.text = "+e.text);
System.out.println("e.keyCode = "+String.valueOf((e.keyCode)));
if (!GenericValidator.matchRegexp(e.text,"[0-9]") && !(e.keyCode==SWT.BS)) {
e.doit=false;
}
}
public static VerifyListener getInstance() {
return instance;
}
}
But the keyCode returns 0 all the time. It doe not care which key is
pressed! So if the user wants to delete (with backspace), it does not
work. For example, if I press the 1 key, the console gets:
e.text = 1
e.keyCode = 0
With backspace, it is:
e.text =
e.keyCode = 0
Is-it a bug or I simply do not know how to program this?
Thanks for your input.
Patrice Drolet
--
Patrice Drolet
Logiciels INFO-DATA inc.
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