| /******************************************************************************* |
| * Copyright (c) 2004, 2005 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.jsf.facesconfig.ui.pageflow.editpolicy; |
| |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.gef.EditPart; |
| import org.eclipse.gef.EditPolicy; |
| import org.eclipse.gef.Request; |
| import org.eclipse.gef.commands.Command; |
| import org.eclipse.gef.editpolicies.ResizableEditPolicy; |
| import org.eclipse.gef.editpolicies.XYLayoutEditPolicy; |
| import org.eclipse.gef.requests.CreateRequest; |
| import org.eclipse.jst.jsf.facesconfig.ui.pageflow.PageflowMessages; |
| import org.eclipse.jst.jsf.facesconfig.ui.pageflow.command.AddNodeCommand; |
| import org.eclipse.jst.jsf.facesconfig.ui.pageflow.command.CreateNodeCommand; |
| import org.eclipse.jst.jsf.facesconfig.ui.pageflow.command.SetConstraintCommand; |
| import org.eclipse.jst.jsf.facesconfig.ui.pageflow.editpart.PageflowNodeEditPart; |
| import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.Pageflow; |
| import org.eclipse.jst.jsf.facesconfig.ui.pageflow.model.PageflowNode; |
| |
| /** |
| * Customize the layout policy for page flows |
| * |
| */ |
| public class PageflowXYLayoutEditPolicy extends XYLayoutEditPolicy { |
| /* |
| * (non-Javadoc) |
| * |
| * @see XYLayoutEditPolicy#createAddCommand() |
| */ |
| protected Command createAddCommand(EditPart childEditPart, Object constraint) { |
| PageflowNode part = (PageflowNode) childEditPart.getModel(); |
| Rectangle rect = (Rectangle) constraint; |
| |
| AddNodeCommand add = new AddNodeCommand(); |
| add.setParent((Pageflow) getHost().getModel()); |
| add.setChild(part); |
| add.setLabel(PageflowMessages.PageflowXYLayoutEditPolicy_Add); |
| add.setDebugLabel("PageFlowXYEP add subpart"); //$NON-NLS-1$ |
| |
| SetConstraintCommand setConstraint = new SetConstraintCommand(); |
| |
| setConstraint.setLocation(rect); |
| setConstraint.setPart(part); |
| setConstraint.setLabel(PageflowMessages.PageflowXYLayoutEditPolicy_Add); |
| setConstraint.setDebugLabel("PageFlowXYEP setConstraint"); //$NON-NLS-1$ |
| return add.chain(setConstraint); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see XYLayoutEditPolicy#createChangeConstraintCommand() |
| */ |
| protected Command createChangeConstraintCommand(EditPart child, |
| Object constraint) { |
| SetConstraintCommand locationCommand = new SetConstraintCommand(); |
| locationCommand.setPart((PageflowNode) child.getModel()); |
| locationCommand.setLocation((Rectangle) constraint); |
| return locationCommand; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see XYLayoutEditPolicy#createChildEditPolicy() |
| */ |
| protected EditPolicy createChildEditPolicy(EditPart child) { |
| if (child instanceof PageflowNodeEditPart) { |
| return new PageflowNodeSelectionEditPolicy(); |
| } |
| |
| return new ResizableEditPolicy(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see XYLayoutEditPolicy#getCreateCommand() |
| */ |
| protected Command getCreateCommand(CreateRequest request) { |
| CreateNodeCommand create = new CreateNodeCommand(); |
| create.setParent((Pageflow) getHost().getModel()); |
| create.setChild((PageflowNode) request.getNewObject()); |
| Rectangle constraint = (Rectangle) getConstraintFor(request); |
| create.setLocation(constraint); |
| create.setLabel(PageflowMessages.PageflowXYLayoutEditPolicy_Add); |
| return create; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see XYLayoutEditPolicy#getDeleteDependantCommand() |
| */ |
| protected Command getDeleteDependantCommand(Request request) { |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see XYLayoutEditPolicy#getOrphanChildrenCommand() |
| */ |
| protected Command getOrphanChildrenCommand(Request request) { |
| return null; |
| } |
| } |