| //------------------------------------------------------------------------------ |
| // 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.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.edit.provider.ITreeItemContentProvider; |
| import org.eclipse.emf.edit.provider.ItemProviderAdapter; |
| import org.eclipse.epf.library.edit.TngAdapterFactory; |
| import org.eclipse.epf.library.edit.ui.ReferenceSelection; |
| import org.eclipse.epf.library.edit.util.ProcessUtil; |
| import org.eclipse.epf.uma.Activity; |
| import org.eclipse.epf.uma.Descriptor; |
| import org.eclipse.epf.uma.TaskDescriptor; |
| |
| |
| /** |
| * Delete Task descriptor |
| * |
| * @author Shilpa Toraskar |
| * @since 1.0 |
| */ |
| public class DeleteTaskDescriptor extends RemoveUnusedDescriptorsCommand { |
| private Activity activity; |
| |
| private TaskDescriptor taskDesc; |
| |
| private Collection modifiedResources; |
| |
| private List notUsedReferences = new ArrayList(); |
| |
| private boolean forceRemoveUnusedReferences; |
| |
| /** |
| * |
| */ |
| public DeleteTaskDescriptor(TaskDescriptor taskDesc) { |
| super(); |
| |
| this.taskDesc = taskDesc; |
| |
| AdapterFactory aFactory = TngAdapterFactory.INSTANCE |
| .getWBS_ComposedAdapterFactory(); |
| ItemProviderAdapter adapter = (ItemProviderAdapter) aFactory.adapt( |
| taskDesc, ITreeItemContentProvider.class); |
| Object parent = adapter.getParent(taskDesc); |
| if (parent instanceof Activity) { |
| this.activity = (Activity) parent; |
| } |
| |
| this.modifiedResources = new HashSet(); |
| if (activity.eResource() != null) { |
| modifiedResources.add(activity.eResource()); |
| } |
| if (taskDesc.eResource() != null) { |
| modifiedResources.add(taskDesc.eResource()); |
| } |
| } |
| |
| public DeleteTaskDescriptor(TaskDescriptor taskDesc, |
| boolean forceRemoveUnusedReferences) { |
| this(taskDesc); |
| this.forceRemoveUnusedReferences = forceRemoveUnusedReferences; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.Command#execute() |
| */ |
| public void execute() { |
| Set refList = new HashSet(); |
| |
| // get TaskDescriptor relationships references |
| refList.addAll(taskDesc.getAdditionallyPerformedBy()); |
| refList.addAll(taskDesc.getAssistedBy()); |
| refList.addAll(taskDesc.getPerformedPrimarilyBy()); |
| refList.addAll(taskDesc.getMandatoryInput()); |
| refList.addAll(taskDesc.getExternalInput()); |
| refList.addAll(taskDesc.getOptionalInput()); |
| refList.addAll(taskDesc.getOutput()); |
| |
| for (Iterator itor = refList.iterator(); itor.hasNext();) { |
| Object object = itor.next(); |
| |
| // check all it's references |
| if (object instanceof Descriptor) { |
| if (!ProcessUtil.checkDescriptorReferences(taskDesc, |
| (Descriptor) object)) { |
| if (activity.getBreakdownElements().contains(object)) // check |
| // for |
| // local |
| // descriptor |
| notUsedReferences.add(object); |
| } |
| } |
| } |
| |
| if (!(notUsedReferences.isEmpty())) { |
| try { |
| Object[] refToBeDeleted = forceRemoveUnusedReferences ? notUsedReferences |
| .toArray() |
| : ReferenceSelection.getReferences(notUsedReferences, |
| taskDesc); |
| |
| delete(refToBeDeleted); |
| } |
| catch(OperationCanceledException e) { |
| aborted = true; |
| } |
| } |
| |
| // clear out all taskdescriptor relationship |
| clear(taskDesc.getAdditionallyPerformedBy()); |
| clear(taskDesc.getAssistedBy()); |
| clear(taskDesc.getMandatoryInput()); |
| clear(taskDesc.getExternalInput()); |
| clear(taskDesc.getOptionalInput()); |
| clear(taskDesc.getOutput()); |
| clear(taskDesc.getPerformedPrimarilyBy()); |
| |
| redo(); |
| } |
| |
| private void clear(List list) { |
| try { |
| if ((list != null) && (list.size() > 0)) { |
| list.clear(); |
| } |
| } catch (Exception ex) { |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.Command#redo() |
| */ |
| public void redo() { |
| |
| } |
| |
| public void undo() { |
| |
| } |
| |
| protected boolean prepare() { |
| return true; |
| } |
| |
| public Collection getModifiedResources() { |
| |
| return modifiedResources; |
| } |
| } |