| /******************************************************************************* |
| * Copyright (c) 2005 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 |
| *******************************************************************************/ |
| package org.eclipse.jface.tests.databinding.scenarios; |
| |
| import org.eclipse.jface.databinding.Property; |
| import org.eclipse.jface.databinding.viewers.ViewersProperties; |
| import org.eclipse.jface.examples.databinding.model.Adventure; |
| import org.eclipse.jface.examples.databinding.model.Catalog; |
| import org.eclipse.jface.examples.databinding.model.SampleData; |
| import org.eclipse.jface.viewers.ComboViewer; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Combo; |
| |
| /** |
| * To run the tests in this class, right-click and select "Run As JUnit Plug-in |
| * Test". This will also start an Eclipse instance. To clean up the launch |
| * configuration, open up its "Main" tab and select "[No Application] - Headless |
| * Mode" as the application to run. |
| */ |
| |
| public class ComboViewerScenario extends ScenariosTestCase { |
| |
| private Catalog catalog; |
| private Combo combo; |
| private ComboViewer comboViewer; |
| |
| protected void setUp() throws Exception { |
| super.setUp(); |
| // do any setup work here |
| combo = new Combo(getComposite(), SWT.READ_ONLY | SWT.DROP_DOWN); |
| comboViewer = new ComboViewer(combo); |
| catalog = SampleData.CATALOG_2005; // Lodging source |
| } |
| |
| protected void tearDown() throws Exception { |
| combo.dispose(); |
| combo = null; |
| comboViewer = null; |
| super.tearDown(); |
| } |
| |
| public void testScenario01() { |
| // Bind the catalog's lodgings to the combo |
| getDbc().bind( |
| comboViewer, |
| new Property(catalog, "lodgings"),null); |
| // Verify that the combo's items are the lodgings |
| for (int i = 0; i < catalog.getLodgings().length; i++) { |
| assertEquals(catalog.getLodgings()[i],comboViewer.getElementAt(i)); |
| } |
| // Verify that the String being shown in the combo viewer is the "toString" of the combo viewer |
| String[] lodgingStrings = new String[catalog.getLodgings().length]; |
| for (int i = 0; i < catalog.getLodgings().length; i++) { |
| lodgingStrings[i] = catalog.getLodgings()[i].toString(); |
| } |
| assertArrayEquals(lodgingStrings,combo.getItems()); |
| |
| // Verify that the combo has no selected item |
| assertEquals(null,((IStructuredSelection)comboViewer.getSelection()).getFirstElement()); |
| |
| // Now bind the selection of the combo to the "defaultLodging" property of an adventure |
| final Adventure adventure = SampleData.WINTER_HOLIDAY; |
| getDbc().bind( |
| new Property(comboViewer,ViewersProperties.SINGLE_SELECTION), |
| new Property(adventure, "defaultLodging"), |
| null); |
| |
| // Verify that the combo selection is the default lodging |
| assertEquals(((IStructuredSelection)comboViewer.getSelection()).getFirstElement(),adventure.getDefaultLodging()); |
| |
| // Change the model and verify that the combo selection changes |
| adventure.setDefaultLodging(SampleData.CAMP_GROUND); |
| assertEquals(adventure.getDefaultLodging(),SampleData.CAMP_GROUND); |
| assertEquals(((IStructuredSelection)comboViewer.getSelection()).getFirstElement(),adventure.getDefaultLodging()); |
| |
| // Change the combo selection and verify that the model changes |
| comboViewer.getCombo().select(3); |
| assertEquals(((IStructuredSelection)comboViewer.getSelection()).getFirstElement(),adventure.getDefaultLodging()); |
| |
| // Change the model on a non-UI thread and verify that the combo selection changes |
| invokeNonUI(new Runnable(){ |
| public void run(){ |
| adventure.setDefaultLodging(SampleData.YOUTH_HOSTEL); |
| } |
| }); |
| spinEventLoop(0); |
| assertEquals(((IStructuredSelection)comboViewer.getSelection()).getFirstElement(),adventure.getDefaultLodging()); |
| } |
| } |