| /******************************************************************************* |
| * Copyright (c) 2016 RCP Vision (http://www.rcp-vision.com) 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: |
| * Lorenzo Bettini - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.emf.parsley.ui.provider; |
| |
| import org.eclipse.emf.edit.command.SetCommand; |
| |
| /** |
| * Specialization for a combo that also provides a null element for unset a |
| * reference. |
| * |
| * @author Lorenzo Bettini - initial API and implementation |
| * |
| */ |
| public class ComboViewerLabelProvider extends DelegatingColumnLabelProvider { |
| |
| @Override |
| public String getText(Object element) { |
| if (element == SetCommand.UNSET_VALUE) { |
| return ""; |
| } |
| return super.getText(element); |
| } |
| } |
