| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. 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: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.tools; |
| |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.tools.DragEditPartsTracker; |
| import org.eclipse.jst.pagedesigner.range.RangeUtil; |
| import org.eclipse.jst.pagedesigner.viewer.DesignRange; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| |
| /** |
| * When user press right mouse to do selection, if the selected node is inside |
| * current range selection, then don't change selection. This is for better |
| * context menu support. |
| * |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class ObjectModeDragTracker extends DragEditPartsTracker { |
| /** |
| * @param sourceEditPart |
| */ |
| public ObjectModeDragTracker(EditPart sourceEditPart) { |
| super(sourceEditPart); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.gef.tools.SelectEditPartTracker#handleButtonDown(int) |
| */ |
| protected boolean handleButtonDown(int button) { |
| if (button == 3 && isInState(STATE_INITIAL)) { |
| EditPart sourcePart = this.getSourceEditPart(); |
| IHTMLGraphicalViewer viewer = (IHTMLGraphicalViewer) sourcePart |
| .getViewer(); |
| if (viewer != null && viewer.isInRangeMode()) { |
| DesignRange range = viewer.getRangeSelection(); |
| if (range != null && range.isValid()) { |
| if (RangeUtil.intersect(range, sourcePart)) { |
| return true; |
| } |
| } |
| } |
| } |
| return super.handleButtonDown(button); |
| } |
| } |