| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 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 implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.authoring.gef.commands; |
| |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.epf.authoring.ui.AuthoringUIResources; |
| import org.eclipse.epf.diagram.model.Diagram; |
| import org.eclipse.epf.diagram.model.NamedNode; |
| import org.eclipse.epf.diagram.model.Node; |
| |
| /** |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| public class CreateNodeCommand extends DiagramModifyCommand { |
| |
| private Point loc; |
| |
| private Node node; |
| |
| private Diagram diagram; |
| |
| private static final String LABEL = AuthoringUIResources.gef_createNodeCommand_label; |
| |
| public CreateNodeCommand(Node newObject, Diagram parent, Point location) { |
| super(LABEL); |
| node = newObject; |
| diagram = parent; |
| loc = location.getCopy(); |
| setDiagram(parent); |
| } |
| |
| public void undo() { |
| node.setLocation(null); |
| node.setDiagram(null); |
| diagram.getNodes().remove(node); |
| } |
| |
| /** |
| * @see org.eclipse.epf.authoring.gef.commands.DiagramModifyCommand#doExecute() |
| */ |
| protected void doExecute() { |
| node.setLocation(loc); |
| node.setDiagram(diagram); |
| if (node instanceof NamedNode) { |
| diagram.setDefaultName((NamedNode) node); |
| } |
| diagram.getNodes().add(node); |
| } |
| |
| public boolean canExecute() { |
| if (diagram instanceof Diagram) { |
| if (diagram.isReadOnly()) { |
| return false; |
| } |
| } |
| return super.canExecute(); |
| } |
| |
| } |