| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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 |
| * Jens Lukowski/Innoopract - initial renaming/restructuring |
| * |
| *******************************************************************************/ |
| package org.eclipse.wst.sse.ui.internal.selection; |
| |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.Region; |
| import org.eclipse.ui.texteditor.IUpdate; |
| import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; |
| import org.eclipse.wst.sse.ui.StructuredTextEditor; |
| import org.eclipse.wst.sse.ui.internal.SSEUIMessages; |
| import org.w3c.dom.Node; |
| |
| public class StructureSelectHistoryAction extends StructureSelectAction implements IUpdate { |
| public StructureSelectHistoryAction(StructuredTextEditor editor) { |
| super(editor); |
| setText(SSEUIMessages.StructureSelectHistory_label); //$NON-NLS-1$ |
| setToolTipText(SSEUIMessages.StructureSelectHistory_tooltip); //$NON-NLS-1$ |
| setDescription(SSEUIMessages.StructureSelectHistory_description); //$NON-NLS-1$ |
| |
| update(); |
| } |
| |
| protected IndexedRegion getCursorIndexedRegion() { |
| return null; |
| } |
| |
| protected Region getNewSelectionRegion(Node node, Region region) { |
| return null; |
| } |
| |
| public void run() { |
| IRegion old = fHistory.getLast(); |
| if (old != null) { |
| try { |
| fHistory.ignoreSelectionChanges(); |
| fEditor.selectAndReveal(old.getOffset(), old.getLength()); |
| } finally { |
| fHistory.listenToSelectionChanges(); |
| } |
| } |
| } |
| |
| public void update() { |
| setEnabled(!fHistory.isEmpty()); |
| } |
| } |