| //------------------------------------------------------------------------------ |
| // 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.library.edit.process.command; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.List; |
| |
| import org.eclipse.epf.library.edit.util.TngUtil; |
| import org.eclipse.epf.uma.Descriptor; |
| import org.eclipse.epf.uma.Role; |
| import org.eclipse.epf.uma.RoleDescriptor; |
| import org.eclipse.epf.uma.Task; |
| import org.eclipse.epf.uma.TaskDescriptor; |
| import org.eclipse.epf.uma.UmaPackage; |
| import org.eclipse.epf.uma.WorkProduct; |
| import org.eclipse.epf.uma.WorkProductDescriptor; |
| |
| |
| /** |
| * Command for linking method element to descriptor |
| * |
| * @author Shilpa Toraskar |
| * @since 1.0 |
| */ |
| |
| public class LinkMethodElementCommand extends AddMethodElementCommand { |
| |
| private Descriptor desc; |
| |
| private Object obj; |
| |
| private List objects; |
| |
| private int featureID; |
| |
| private Collection modifiedResources; |
| |
| /** |
| * Assign role to task descriptor Used for both additionally performed by |
| * and assisted by |
| */ |
| public LinkMethodElementCommand(Descriptor desc, Object obj, int featureID) { |
| |
| super(TngUtil.getOwningProcess(desc)); |
| |
| this.desc = desc; |
| this.obj = obj; |
| this.featureID = featureID; |
| |
| if (obj != null) { |
| objects = new ArrayList(); |
| objects.add(obj); |
| } |
| this.modifiedResources = new HashSet(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.Command#execute() |
| */ |
| public void execute() { |
| |
| if (desc == null) |
| return; |
| |
| // add to default configuration if not there already |
| if (!super.addToDefaultConfiguration(objects)) |
| return; |
| |
| if (!objects.isEmpty()) |
| redo(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.Command#redo() |
| */ |
| public void redo() { |
| switch (featureID) { |
| case UmaPackage.TASK_DESCRIPTOR__TASK: |
| ((TaskDescriptor) desc).setTask((Task) obj); |
| break; |
| case UmaPackage.ROLE_DESCRIPTOR__ROLE: |
| ((RoleDescriptor) desc).setRole((Role) obj); |
| break; |
| case UmaPackage.WORK_PRODUCT_DESCRIPTOR__WORK_PRODUCT: |
| ((WorkProductDescriptor) desc).setWorkProduct((WorkProduct) obj); |
| break; |
| } |
| } |
| |
| public void undo() { |
| if (!objects.isEmpty()) { |
| // basically remove from configuration if anything was added |
| super.undo(); |
| |
| switch (featureID) { |
| case UmaPackage.TASK_DESCRIPTOR__TASK: |
| ((TaskDescriptor) desc).setTask(null); |
| break; |
| case UmaPackage.ROLE_DESCRIPTOR__ROLE: |
| ((RoleDescriptor) desc).setRole(null); |
| break; |
| case UmaPackage.WORK_PRODUCT_DESCRIPTOR__WORK_PRODUCT: |
| ((WorkProductDescriptor) desc).setWorkProduct(null); |
| break; |
| } |
| } |
| } |
| |
| protected boolean prepare() { |
| return true; |
| } |
| |
| public Collection getModifiedResources() { |
| if (desc.eResource() != null && !objects.isEmpty()) { |
| modifiedResources.add(desc.eResource()); |
| } |
| return modifiedResources; |
| } |
| } |