| /******************************************************************************* |
| * Copyright (c) 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 java.util.ArrayList; |
| |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.ICellModifier; |
| import org.eclipse.jface.viewers.ITreeContentProvider; |
| import org.eclipse.jface.viewers.StructuredViewer; |
| import org.eclipse.jface.viewers.TextCellEditor; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.jface.viewers.Viewer; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.TreeColumn; |
| |
| /** |
| * @since 3.3 |
| * |
| */ |
| public class Bug201002TreeViewerTest extends ViewerTestCase { |
| public class MyModel { |
| public MyModel parent; |
| |
| public ArrayList child = new ArrayList(); |
| |
| public int counter; |
| |
| public MyModel(int counter, MyModel parent) { |
| this.parent = parent; |
| this.counter = counter; |
| } |
| |
| public String toString() { |
| String rv = "Item "; |
| if (parent != null) { |
| rv = parent.toString() + "."; |
| } |
| |
| rv += counter; |
| |
| return rv; |
| } |
| } |
| /** |
| * @param name |
| */ |
| public Bug201002TreeViewerTest(String name) { |
| super(name); |
| // TODO Auto-generated constructor stub |
| } |
| |
| protected StructuredViewer createViewer(Composite parent) { |
| final TreeViewer treeViewer = new TreeViewer(parent, SWT.FULL_SELECTION); |
| |
| treeViewer.setContentProvider(new ITreeContentProvider() { |
| |
| public Object[] getElements(Object inputElement) { |
| return ((MyModel) inputElement).child.toArray(); |
| } |
| |
| public void dispose() { |
| |
| } |
| |
| public void inputChanged(Viewer viewer, Object oldInput, |
| Object newInput) { |
| |
| } |
| |
| public Object[] getChildren(Object parentElement) { |
| return getElements(parentElement); |
| } |
| |
| public Object getParent(Object element) { |
| if (element == null) { |
| return null; |
| } |
| |
| return ((MyModel) element).parent; |
| } |
| |
| public boolean hasChildren(Object element) { |
| return ((MyModel) element).child.size() > 0; |
| } |
| }); |
| |
| treeViewer.setCellEditors(new CellEditor[] { new TextCellEditor( |
| treeViewer.getTree()) }); |
| treeViewer.setColumnProperties(new String[] { "0" }); |
| treeViewer.setCellModifier(new ICellModifier() { |
| public boolean canModify(Object element, String property) { |
| return true; |
| } |
| |
| public Object getValue(Object element, String property) { |
| return ""; |
| } |
| |
| public void modify(Object element, String property, Object value) { |
| } |
| |
| }); |
| |
| new TreeColumn(treeViewer.getTree(), SWT.NONE).setWidth(200); |
| |
| return treeViewer; |
| } |
| |
| protected void setUpModel() { |
| // don't do anything here - we are not using the normal fModel and |
| // fRootElement |
| } |
| |
| protected void setInput() { |
| MyModel root = new MyModel(0, null); |
| root.counter = 0; |
| |
| MyModel tmp; |
| for (int i = 1; i < 100; i++) { |
| tmp = new MyModel(i, root); |
| root.child.add(tmp); |
| for (int j = 1; j < i; j++) { |
| tmp.child.add(new MyModel(j, tmp)); |
| } |
| } |
| |
| getTreeViewer().setInput(root); |
| } |
| |
| private TreeViewer getTreeViewer() { |
| return (TreeViewer) fViewer; |
| } |
| |
| public void testBug201002() { |
| getTreeViewer().getTree().setTopItem( |
| getTreeViewer().getTree().getItem(0)); |
| getTreeViewer().editElement(((MyModel)((MyModel)getTreeViewer().getInput()).child.get(90)).child.get(10), 0); |
| |
| // GTK-Issue where call to getTopItem() immediately |
| // afterwards will fail |
| while( getTreeViewer().getTree().getDisplay().readAndDispatch () ) { |
| |
| } |
| |
| assertEquals(true, |
| getTreeViewer().getTree().getTopItem() != getTreeViewer() |
| .getTree().getItem(0)); |
| } |
| |
| |
| } |