| /******************************************************************************* |
| * Copyright (c) 2006 Ruediger Herrmann 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: |
| * Ruediger Herrmann <rherrmann@innoopract.com> - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jface.tests.viewers; |
| |
| import junit.framework.TestCase; |
| |
| import org.eclipse.core.runtime.ISafeRunnable; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.jface.util.ILogger; |
| import org.eclipse.jface.util.ISafeRunnableRunner; |
| import org.eclipse.jface.util.Policy; |
| import org.eclipse.jface.util.SafeRunnable; |
| import org.eclipse.jface.viewers.ArrayContentProvider; |
| import org.eclipse.jface.viewers.ComboViewer; |
| import org.eclipse.jface.viewers.IElementComparer; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| |
| public class ComboViewerComparerTest extends TestCase { |
| |
| private Shell shell; |
| |
| private StructuredViewer viewer; |
| |
| private static final class TestElement { |
| |
| private final String name; |
| |
| public TestElement(final String name) { |
| this.name = name; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| } |
| |
| public void testSetSelection() { |
| viewer.setContentProvider(new ArrayContentProvider()); |
| viewer.setComparer(new IElementComparer() { |
| public boolean equals(final Object element1, final Object element2) { |
| TestElement testElement1 = (TestElement) element1; |
| TestElement testElement2 = (TestElement) element2; |
| return testElement1.getName().equals(testElement2.getName()); |
| } |
| |
| public int hashCode(final Object element) { |
| TestElement testElement = (TestElement) element; |
| return testElement.getName().hashCode(); |
| } |
| }); |
| viewer.setInput(new TestElement[] { new TestElement("a"), |
| new TestElement("b") }); |
| // Select equal element with different identity |
| TestElement aElement = new TestElement("a"); |
| viewer.setSelection(new StructuredSelection(aElement)); |
| StructuredSelection sel = ((StructuredSelection) viewer.getSelection()); |
| assertEquals(false, sel.isEmpty()); |
| TestElement selectedElement = (TestElement) sel.getFirstElement(); |
| assertEquals(aElement.getName(), selectedElement.getName()); |
| } |
| |
| protected void setUp() { |
| Policy.setLog(new ILogger() { |
| public void log(IStatus status) { |
| fail(status.getMessage()); |
| } |
| }); |
| SafeRunnable.setRunner(new ISafeRunnableRunner() { |
| public void run(ISafeRunnable code) { |
| try { |
| code.run(); |
| } catch (Throwable th) { |
| throw new RuntimeException(th); |
| } |
| } |
| }); |
| Display display = Display.getCurrent(); |
| if (display == null) { |
| display = new Display(); |
| } |
| shell = new Shell(display); |
| shell.setSize(500, 500); |
| shell.setLayout(new FillLayout()); |
| viewer = createViewer(shell); |
| shell.open(); |
| } |
| |
| protected void tearDown() { |
| processEvents(); |
| viewer = null; |
| if (shell != null) { |
| shell.dispose(); |
| shell = null; |
| } |
| } |
| |
| protected StructuredViewer createViewer(final Shell parent) { |
| return new ComboViewer(parent, SWT.NONE); |
| } |
| |
| private void processEvents() { |
| if (shell != null && !shell.isDisposed()) { |
| Display display = shell.getDisplay(); |
| if (display != null) { |
| while (display.readAndDispatch()) { |
| // loop until there are no more events to dispatch |
| } |
| } |
| } |
| } |
| } |