| /****************************************************************************** |
| * Copyright (c) 2004, 2006 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.gmf.runtime.diagram.ui.internal.ruler.commands; |
| |
| import org.eclipse.core.commands.ExecutionException; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.emf.common.util.EMap; |
| import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| import org.eclipse.gmf.runtime.common.core.command.CommandResult; |
| import org.eclipse.gmf.runtime.diagram.ui.l10n.DiagramUIMessages; |
| import org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand; |
| import org.eclipse.gmf.runtime.notation.Guide; |
| import org.eclipse.gmf.runtime.notation.GuideStyle; |
| |
| /** |
| * This command is used to delete guidelines |
| * |
| * @author jschofie |
| */ |
| public class DeleteGuideCommand extends AbstractTransactionalCommand { |
| |
| private Guide theGuide; |
| |
| /** |
| * Command used to Delete a guide. |
| * @param editingDomain |
| * the editing domain through which model changes are made |
| * @param guide the guide to be deleted |
| */ |
| public DeleteGuideCommand(TransactionalEditingDomain editingDomain, Guide guide) { |
| super(editingDomain, DiagramUIMessages.Command_deleteGuide, |
| getWorkspaceFiles(guide)); |
| theGuide = guide; |
| } |
| |
| protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) |
| throws ExecutionException { |
| |
| // Clear the attached editparts |
| EMap guideMap = theGuide.getNodeMap(); |
| guideMap.clear(); |
| |
| // Remove the guide from it's container |
| GuideStyle container = (GuideStyle)theGuide.eContainer(); |
| container.getHorizontalGuides().remove(theGuide); |
| container.getVerticalGuides().remove(theGuide); |
| |
| theGuide = null; |
| return CommandResult.newOKCommandResult(); |
| } |
| } |