| /******************************************************************************* |
| * Copyright (c) 2006 Oracle Corporation 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: |
| * Oracle Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.common.ui.details; |
| |
| import org.eclipse.swt.widgets.Button; |
| |
| /** |
| * @author Michal Chmielewski (michal.chmielewski@oracle.com) |
| * @date Jul 27, 2007 |
| * |
| */ |
| |
| @SuppressWarnings("nls") |
| public class RadioButtonIValue implements IValue { |
| |
| /** |
| * The value key used to lookup the assigned value of |
| * a radio button via getData() on the widget. |
| */ |
| static public final String VALUE = "value"; |
| |
| /** Unset object value, equivalent to null */ |
| static public final Object UNSET_VALUE = new Object(); |
| |
| Button[] fWidgets; |
| |
| /** |
| * @param args |
| */ |
| public RadioButtonIValue ( Button ... args ) { |
| fWidgets = args; |
| } |
| |
| /** |
| * @see org.eclipse.bpel.common.ui.details.IValue#get() |
| */ |
| @SuppressWarnings("boxing") |
| public Object get() { |
| for(Button n : fWidgets) { |
| if (n.getSelection()) { |
| Object value = n.getData(VALUE); |
| return value == UNSET_VALUE ? null : value; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * @see org.eclipse.bpel.common.ui.details.IValue#set(java.lang.Object) |
| */ |
| @SuppressWarnings({ "nls", "boxing" }) |
| public void set ( Object object ) { |
| for (Button n : fWidgets) { |
| Object v = n.getData(VALUE); |
| n.setSelection( v.equals(object) || (v == UNSET_VALUE && object == null) ); |
| } |
| } |
| |
| |
| } |