| /******************************************************************************* |
| * Copyright (c) 2007, 2009 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 |
| * Matthew Hall - bug 213145, 195222 |
| *******************************************************************************/ |
| |
| package org.eclipse.jface.tests.internal.databinding.swt; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.eclipse.core.databinding.observable.IObservable; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.jface.databinding.conformance.delegate.AbstractObservableValueContractDelegate; |
| import org.eclipse.jface.databinding.conformance.swt.SWTMutableObservableValueContractTest; |
| import org.eclipse.jface.databinding.conformance.util.ValueChangeEventTracker; |
| import org.eclipse.jface.databinding.swt.DisplayRealm; |
| import org.eclipse.jface.databinding.swt.ISWTObservable; |
| import org.eclipse.jface.databinding.swt.WidgetProperties; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.CCombo; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import junit.framework.TestSuite; |
| |
| /** |
| * @since 3.2 |
| */ |
| public class CComboObservableValueSelectionTest { |
| private Delegate delegate; |
| |
| private CCombo combo; |
| |
| @Before |
| public void setUp() throws Exception { |
| delegate = new Delegate(); |
| delegate.setUp(); |
| combo = delegate.combo; |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| delegate.tearDown(); |
| } |
| |
| @Test |
| public void testSelection_NotifiesObservable() throws Exception { |
| IObservableValue observable = (IObservableValue) delegate |
| .createObservable(DisplayRealm.getRealm(Display.getDefault())); |
| |
| ValueChangeEventTracker listener = ValueChangeEventTracker |
| .observe(observable); |
| combo.select(0); |
| |
| assertEquals("Observable was not notified.", 1, listener.count); |
| } |
| |
| public static void addConformanceTest(TestSuite suite) { |
| suite.addTest(SWTMutableObservableValueContractTest.suite(new Delegate())); |
| } |
| |
| /* package */static class Delegate extends |
| AbstractObservableValueContractDelegate { |
| private Shell shell; |
| |
| /* package */CCombo combo; |
| |
| @Override |
| public void setUp() { |
| shell = new Shell(); |
| combo = new CCombo(shell, SWT.NONE); |
| combo.add("a"); |
| combo.add("b"); |
| } |
| |
| @Override |
| public void tearDown() { |
| shell.dispose(); |
| } |
| |
| @Override |
| public IObservableValue createObservableValue(Realm realm) { |
| return WidgetProperties.selection().observe(realm, combo); |
| } |
| |
| @Override |
| public void change(IObservable observable) { |
| IObservableValue ov = (IObservableValue) observable; |
| ov.setValue(createValue(ov)); |
| } |
| |
| @Override |
| public Object getValueType(IObservableValue observable) { |
| return String.class; |
| } |
| |
| @Override |
| public Object createValue(IObservableValue observable) { |
| CCombo combo = ((CCombo) ((ISWTObservable) observable).getWidget()); |
| switch (combo.getSelectionIndex()) { |
| case -1: |
| // fall thru |
| case 1: |
| return combo.getItem(0); |
| case 0: |
| return combo.getItem(1); |
| default: |
| throw new RuntimeException("Unexpected selection."); |
| } |
| } |
| } |
| } |