/*
 * $Id: NumVerifyListener.java,v 1.2 2005-05-06 00:57:33 stefanbjarni Exp $
 * Copyright Narushima Hironori. All rights reserved.
 */
package net.sourceforge.phpeclipse.wizards.html;

import java.util.regex.Pattern;

import org.eclipse.swt.SWT;
import org.eclipse.swt.events.VerifyEvent;
import org.eclipse.swt.events.VerifyListener;

public class NumVerifyListener implements VerifyListener {
	
	Pattern numPattern = Pattern.compile("^\\d+$");
	
	public void verifyText(VerifyEvent ev) {
		ev.doit = numPattern.matcher( ev.text ).matches() || ev.keyCode == SWT.DEL || ev.character == SWT.BS;
	}
}