| /******************************************************************************* |
| * Copyright (c) 2005, 2012 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.bpel.ui.editparts.policies; |
| |
| import java.util.List; |
| |
| import org.eclipse.bpel.model.Flow; |
| import org.eclipse.bpel.ui.commands.SetConstraintCommand; |
| import org.eclipse.bpel.ui.editparts.FlowEditPart; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gef.editpolicies.AbstractEditPolicy; |
| import org.eclipse.gef.requests.ChangeBoundsRequest; |
| |
| |
| /** |
| * Edit Policy which handles the resizing of a child flow |
| */ |
| public class FlowResizeEditPolicy extends AbstractEditPolicy { |
| |
| @Override |
| public Command getCommand(Request request) { |
| if (REQ_RESIZE.equals(request.getType())) |
| return getResizeFlowCommand((ChangeBoundsRequest)request); |
| return super.getCommand(request); |
| } |
| protected Command getResizeFlowCommand(ChangeBoundsRequest request) { |
| List children = request.getEditParts(); |
| // We only know how to resize a single edit part |
| if (children.size() != 1) return null; |
| FlowEditPart child = (FlowEditPart)children.get(0); |
| Rectangle rect = child.getFigure().getBounds(); |
| Rectangle newRect = request.getTransformedRectangle(rect); |
| return new SetConstraintCommand((Flow)child.getModel(), null, newRect.getSize()); |
| } |
| } |