| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.jsf.common.ui.internal.dialogfield; |
| |
| import org.eclipse.swt.events.VerifyEvent; |
| import org.eclipse.swt.events.VerifyListener; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.forms.widgets.FormToolkit; |
| |
| /** |
| * The text input only allows numbers |
| * |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class NumberDialogField extends StringDialogField { |
| public Control[] doFillIntoGrid(FormToolkit kit, Composite parent, |
| int nColumns) { |
| Control[] controls = super.doFillIntoGrid(kit, parent, nColumns); |
| |
| getTextControl(kit, parent).addVerifyListener(new VerifyListener() { |
| public void verifyText(VerifyEvent e) { |
| String str = ((Text) e.getSource()).getText(); |
| String newString = str.substring(0, e.start) + e.text |
| + str.substring(e.end, str.length()); |
| String regExpression = "^[1-9][0-9]*"; |
| e.doit = (newString.length() == 0 || newString |
| .matches(regExpression)); |
| } |
| }); |
| |
| return controls; |
| } |
| } |