| /******************************************************************************* |
| * 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.commands; |
| |
| import java.util.List; |
| |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jst.pagedesigner.dom.EditModelQuery; |
| import org.eclipse.jst.pagedesigner.dom.EditValidateUtil; |
| import org.eclipse.jst.pagedesigner.parts.DocumentEditPart; |
| import org.eclipse.jst.pagedesigner.parts.SubNodeEditPart; |
| import org.eclipse.jst.pagedesigner.validation.caret.Target; |
| import org.eclipse.jst.pagedesigner.viewer.DesignPosition; |
| import org.eclipse.jst.pagedesigner.viewer.DesignRange; |
| import org.eclipse.jst.pagedesigner.viewer.IHTMLGraphicalViewer; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.Text; |
| |
| /** |
| * A command to switch the selection |
| * |
| */ |
| public class SwitchSelectionCommand extends Command { |
| IHTMLGraphicalViewer _viewer; |
| |
| /** |
| * @param viewer |
| */ |
| public SwitchSelectionCommand(IHTMLGraphicalViewer viewer) { |
| _viewer = viewer; |
| } |
| |
| public void execute() { |
| if (_viewer.isInRangeMode()) { |
| ISelection selection = _viewer.getSelection(); |
| if (selection instanceof DesignRange) { |
| DesignPosition posStart = ((DesignRange) selection) |
| .getStartPosition(); |
| DesignPosition posEnd = ((DesignRange) selection) |
| .getEndPosition(); |
| if (EditValidateUtil.validPosition(posStart) |
| && EditValidateUtil.validPosition(posEnd)) { |
| Node ancestor = EditModelQuery.getInstance() |
| .getCommonAncestor(posStart.getContainerNode(), |
| posEnd.getContainerNode()); |
| if (ancestor instanceof Text) { |
| ancestor = ancestor.getParentNode(); |
| } |
| if (ancestor instanceof Element) { |
| EditPart part = Target.resolvePart(ancestor); |
| if (part instanceof SubNodeEditPart) { |
| _viewer.select(part); |
| } |
| } |
| } |
| } |
| } else { |
| List parts = _viewer.getSelectedEditParts(); |
| if (parts.size() > 0) { |
| EditPart parent = ((EditPart) parts.get(0)).getParent(); |
| if (!(parent instanceof DocumentEditPart)) { |
| _viewer.select(parent); |
| } |
| } |
| } |
| } |
| } |