| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.gef.internal.ui.palette; |
| |
| import org.eclipse.swt.events.KeyEvent; |
| |
| import org.eclipse.swt.SWT; |
| |
| import org.eclipse.gef.tools.SelectionTool; |
| import org.eclipse.gef.ui.palette.PaletteViewer; |
| |
| /** |
| * Selection Tool to be used in the Palette. |
| */ |
| public class PaletteSelectionTool extends SelectionTool { |
| |
| private PaletteViewer getPaletteViewer() { |
| return (PaletteViewer) getCurrentViewer(); |
| } |
| |
| private boolean handleAbort(KeyEvent e) { |
| if (e.keyCode == SWT.ESC) { |
| return (getPaletteViewer().getPaletteRoot().getDefaultEntry() != null); |
| } |
| return false; |
| } |
| |
| protected boolean handleKeyDown(KeyEvent e) { |
| if (handleAbort(e)) { |
| loadDefaultTool(); |
| return true; |
| } |
| return super.handleKeyDown(e); |
| } |
| |
| private void loadDefaultTool() { |
| getPaletteViewer().setActiveTool( |
| getPaletteViewer().getPaletteRoot().getDefaultEntry()); |
| } |
| |
| } |