| /******************************************************************************* |
| * Copyright (c) 2018 Red Hat 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: |
| * Red Hat - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.swt.tests.gtk.snippets; |
| |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Event; |
| import org.eclipse.swt.widgets.Listener; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Tree; |
| import org.eclipse.swt.widgets.TreeItem; |
| |
| public class Bug182598_TreeAssertionFailed { |
| public static void main(String[] args) { |
| |
| final Display display = new Display(); |
| Shell shell = new Shell(display); |
| final Tree tree = new Tree(shell, SWT.VIRTUAL); |
| tree.setItemCount(2); |
| tree.setSelection(tree.getItem(1)); |
| tree.clearAll(true); |
| tree.addListener(SWT.SetData, new Listener() { |
| @Override |
| public void handleEvent(Event event) { |
| TreeItem item = (TreeItem) event.item; |
| if (item.getParentItem() == null) { |
| item.setText("item - " + event.index); |
| } else { |
| TreeItem parent = item.getParentItem(); |
| int parentIndex = tree.indexOf(parent); |
| item.setText("child " + parentIndex + "/" + event.index); |
| } |
| if (event.index == 1) { |
| Thread.dumpStack(); |
| tree.setItemCount(1); |
| } |
| } |
| }); |
| shell.setSize(250, 150); |
| tree.setBounds(10, 10, 200, 100); |
| shell.open(); |
| while (!shell.isDisposed()) { |
| if (!display.readAndDispatch()) { |
| display.sleep(); |
| } |
| } |
| display.dispose(); |
| } |
| |
| |
| } |
