| /******************************************************************************* |
| * Copyright (c) 2005, 2007 IBM 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: |
| * IBM Corporation - initial API and implementation |
| * Brad Reynolds - bug 164653 |
| * Ashley Cambrell - bug 198904 |
| *******************************************************************************/ |
| package org.eclipse.jface.internal.databinding.internal.swt; |
| |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.swt.custom.CCombo; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.SelectionListener; |
| |
| /** |
| * @since 1.0 |
| * |
| */ |
| public class CComboSingleSelectionObservableValue extends |
| SingleSelectionObservableValue { |
| |
| private SelectionListener selectionListener; |
| |
| /** |
| * @param combo |
| */ |
| public CComboSingleSelectionObservableValue(CCombo combo) { |
| super(combo); |
| } |
| |
| /** |
| * @param realm |
| * @param combo |
| */ |
| public CComboSingleSelectionObservableValue(Realm realm, CCombo combo) { |
| super(realm, combo); |
| } |
| |
| private CCombo getCCombo() { |
| return (CCombo) getWidget(); |
| } |
| |
| protected void doAddSelectionListener(final Runnable runnable) { |
| selectionListener = new SelectionListener() { |
| public void widgetDefaultSelected(SelectionEvent e) { |
| runnable.run(); |
| } |
| |
| public void widgetSelected(SelectionEvent e) { |
| runnable.run(); |
| } |
| }; |
| getCCombo().addSelectionListener(selectionListener); |
| } |
| |
| protected int doGetSelectionIndex() { |
| return getCCombo().getSelectionIndex(); |
| } |
| |
| protected void doSetSelectionIndex(int index) { |
| getCCombo().setText(getCCombo().getItem(index)); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.databinding.observable.value.AbstractObservableValue#dispose() |
| */ |
| public synchronized void dispose() { |
| super.dispose(); |
| if (selectionListener != null && !getCCombo().isDisposed()) { |
| getCCombo().removeSelectionListener(selectionListener); |
| } |
| |
| } |
| } |