| /******************************************************************************* |
| * Copyright (c) 2006, 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 |
| *******************************************************************************/ |
| |
| package org.eclipse.jface.tests.viewers; |
| |
| import org.eclipse.jface.viewers.ILabelProviderListener; |
| import org.eclipse.jface.viewers.ISelectionChangedListener; |
| import org.eclipse.jface.viewers.ITableLabelProvider; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.LabelProvider; |
| import org.eclipse.jface.viewers.SelectionChangedEvent; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.TreePathViewerSorter; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.jface.viewers.ViewerSorter; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.widgets.Composite; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class SimpleTreeViewerTest extends ViewerTestCase { |
| |
| private TreeViewer treeViewer; |
| |
| /** |
| * @param name |
| */ |
| public SimpleTreeViewerTest(String name) { |
| super(name); |
| } |
| |
| protected StructuredViewer createViewer(Composite parent) { |
| treeViewer = new TreeViewer(parent); |
| treeViewer.setContentProvider(new TestModelContentProvider()); |
| return treeViewer; |
| } |
| |
| public void testSetTreePathViewerSorterOnNullInput() { |
| treeViewer.setInput(null); |
| treeViewer.setSorter(new TreePathViewerSorter()); |
| } |
| |
| public void testNullLabel() { |
| treeViewer.setLabelProvider(new ITableLabelProvider(){ |
| |
| public Image getColumnImage(Object element, int columnIndex) { |
| return null; |
| } |
| |
| public String getColumnText(Object element, int columnIndex) { |
| return null; |
| } |
| |
| public void addListener(ILabelProviderListener listener) { |
| } |
| |
| public void dispose() { |
| } |
| |
| public boolean isLabelProperty(Object element, String property) { |
| return false; |
| } |
| |
| public void removeListener(ILabelProviderListener listener) { |
| }}); |
| } |
| |
| static class MyViewerSorter extends ViewerSorter { |
| boolean inverted = false; |
| |
| public int compare(Viewer viewer, Object e1, Object e2) { |
| if (inverted) { |
| return super.compare(viewer, e2, e1); |
| } |
| return super.compare(viewer, e1, e2); |
| } |
| } |
| |
| public void testBug184441() { |
| MyViewerSorter sorter = new MyViewerSorter(); |
| treeViewer.setSorter(sorter); |
| ITreeContentProvider contentProvider = (ITreeContentProvider) treeViewer |
| .getContentProvider(); |
| Object firstRoot = contentProvider.getElements(treeViewer.getInput())[0]; |
| Object childOfFirstRoot = contentProvider.getChildren(firstRoot)[0]; |
| treeViewer.setSelection(new StructuredSelection(childOfFirstRoot), true); |
| final ISelectionChangedListener listener = new ISelectionChangedListener() { |
| public void selectionChanged(SelectionChangedEvent event) { |
| fail(); |
| } |
| }; |
| treeViewer.addSelectionChangedListener(listener); |
| sorter.inverted = true; |
| treeViewer.refresh(); |
| treeViewer.removeSelectionChangedListener(listener); |
| } |
| |
| public void testBug184712() { |
| class TableAndTreeLabelProvider extends LabelProvider implements ITableLabelProvider { |
| public Image getColumnImage(Object element, int columnIndex) { |
| return null; |
| } |
| public String getColumnText(Object element, int columnIndex) { |
| return "wrong"; |
| } |
| public String getText(Object element) { |
| return "right"; |
| } |
| } |
| treeViewer.setLabelProvider(new TableAndTreeLabelProvider()); |
| assertEquals("right", treeViewer.getTree().getItem(0).getText()); |
| } |
| } |