| /******************************************************************************* |
| * 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.examples.flow.policies; |
| |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gef.commands.CompoundCommand; |
| import org.eclipse.gef.editpolicies.AbstractEditPolicy; |
| import org.eclipse.gef.editpolicies.ContainerEditPolicy; |
| import org.eclipse.gef.examples.flow.model.Activity; |
| import org.eclipse.gef.examples.flow.model.StructuredActivity; |
| import org.eclipse.gef.examples.flow.model.commands.AddAndAssignSourceCommand; |
| import org.eclipse.gef.examples.flow.model.commands.CreateAndAssignSourceCommand; |
| import org.eclipse.gef.requests.CreateRequest; |
| import org.eclipse.gef.requests.GroupRequest; |
| |
| /** |
| * @author Daniel Lee |
| */ |
| public class ActivitySourceEditPolicy extends ContainerEditPolicy { |
| |
| /** |
| * @see org.eclipse.gef.editpolicies.ContainerEditPolicy#getAddCommand(org.eclipse.gef.requests.GroupRequest) |
| */ |
| protected Command getAddCommand(GroupRequest request) { |
| CompoundCommand cmd = new CompoundCommand(); |
| for (int i = 0; i < request.getEditParts().size(); i++) { |
| AddAndAssignSourceCommand add = new AddAndAssignSourceCommand(); |
| add.setParent((StructuredActivity) getHost().getParent().getModel()); |
| add.setSource((Activity) getHost().getModel()); |
| add.setChild(((Activity) ((EditPart) request.getEditParts().get(i)) |
| .getModel())); |
| cmd.add(add); |
| } |
| return cmd; |
| } |
| |
| /** |
| * @see ContainerEditPolicy#getCreateCommand(org.eclipse.gef.requests.CreateRequest) |
| */ |
| protected Command getCreateCommand(CreateRequest request) { |
| CreateAndAssignSourceCommand cmd = new CreateAndAssignSourceCommand(); |
| cmd.setParent((StructuredActivity) getHost().getParent().getModel()); |
| cmd.setChild((Activity) request.getNewObject()); |
| cmd.setSource((Activity) getHost().getModel()); |
| return cmd; |
| } |
| |
| /** |
| * @see AbstractEditPolicy#getTargetEditPart(org.eclipse.gef.Request) |
| */ |
| public EditPart getTargetEditPart(Request request) { |
| if (REQ_CREATE.equals(request.getType())) |
| return getHost(); |
| if (REQ_ADD.equals(request.getType())) |
| return getHost(); |
| if (REQ_MOVE.equals(request.getType())) |
| return getHost(); |
| return super.getTargetEditPart(request); |
| } |
| |
| } |