net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/wizards/html/NumVerifyListener.java

   1 /*
   2  * $Id: NumVerifyListener.java,v 1.3 2006-10-21 23:18:43 pombredanne Exp $
   3  * Copyright Narushima Hironori. All rights reserved.
   4  */
   5 package net.sourceforge.phpeclipse.wizards.html;
   6
   7 import java.util.regex.Pattern;
   8
   9 import org.eclipse.swt.SWT;
  10 import org.eclipse.swt.events.VerifyEvent;
  11 import org.eclipse.swt.events.VerifyListener;
  12
  13 public class NumVerifyListener implements VerifyListener {
  14
  15         Pattern numPattern = Pattern.compile("^\\d+$");
  16
  17         public void verifyText(VerifyEvent ev) {
  18                 ev.doit = numPattern.matcher(ev.text).matches()
  19                                 || ev.keyCode == SWT.DEL || ev.character == SWT.BS;
  20         }
  21 }