| //------------------------------------------------------------------------------ |
| // 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.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.emf.common.command.AbstractCommand; |
| import org.eclipse.emf.edit.provider.ITreeItemContentProvider; |
| import org.eclipse.epf.library.edit.ICommandListener; |
| import org.eclipse.epf.library.edit.Providers; |
| import org.eclipse.epf.library.edit.command.IResourceAwareCommand; |
| import org.eclipse.epf.library.edit.process.BreakdownElementWrapperItemProvider; |
| import org.eclipse.epf.library.edit.util.TngUtil; |
| import org.eclipse.epf.uma.Activity; |
| import org.eclipse.epf.uma.BreakdownElement; |
| import org.eclipse.epf.uma.Process; |
| |
| |
| /** |
| * @author Phong Nguyen Le - Oct 10, 2005 |
| * @since 1.0 |
| */ |
| public abstract class VaryActivityCommand extends AbstractCommand implements |
| IResourceAwareCommand { |
| |
| protected BreakdownElementWrapperItemProvider wrapper; |
| |
| private Process proc; |
| |
| protected List createdActivities; |
| |
| public Activity superActivity; |
| |
| public VaryActivityCommand(BreakdownElementWrapperItemProvider wrapper) { |
| this.wrapper = wrapper; |
| proc = (Process) wrapper.getTopItem(); |
| } |
| |
| public BreakdownElementWrapperItemProvider getWrapper() { |
| return wrapper; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.ibm.library.edit.command.IResourceAwareCommand#getModifiedResources() |
| */ |
| public Collection getModifiedResources() { |
| if (proc.eResource() != null) { |
| return Collections.singletonList(proc.eResource()); |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.AbstractCommand#prepare() |
| */ |
| protected boolean prepare() { |
| return true; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.Command#execute() |
| */ |
| public void execute() { |
| if (createdActivities == null) { |
| createdActivities = new ArrayList(); |
| } else { |
| createdActivities.clear(); |
| } |
| |
| doVary(); |
| |
| List listeners = Providers |
| .getCommandListeners(VaryActivityCommand.class); |
| if (listeners != null) { |
| for (Iterator iter = listeners.iterator(); iter.hasNext();) { |
| ICommandListener listener = (ICommandListener) iter.next(); |
| listener.notifyExecuted(this); |
| } |
| } |
| } |
| |
| protected abstract void doVary(); |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.Command#redo() |
| */ |
| public void redo() { |
| // find the new wrapper |
| // |
| Object owner = wrapper.getOwner(); |
| ITreeItemContentProvider ip = (ITreeItemContentProvider) wrapper.getAdapterFactory().adapt(owner, ITreeItemContentProvider.class); |
| for (Iterator iter = ip.getChildren(owner).iterator(); iter.hasNext();) { |
| Object child = iter.next(); |
| if(child instanceof BreakdownElementWrapperItemProvider && |
| ((BreakdownElementWrapperItemProvider)child).getValue() == wrapper.getValue()) { |
| wrapper = (BreakdownElementWrapperItemProvider) child; |
| break; |
| } |
| } |
| |
| execute(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.AbstractCommand#undo() |
| */ |
| public void undo() { |
| List listeners = Providers |
| .getCommandListeners(VaryActivityCommand.class); |
| if (listeners != null) { |
| for (Iterator iter = listeners.iterator(); iter.hasNext();) { |
| ICommandListener listener = (ICommandListener) iter.next(); |
| listener.preUndo(this); |
| } |
| } |
| |
| if (!createdActivities.isEmpty()) { |
| restoreOrder(); |
| Activity act = (Activity) createdActivities.get(0); |
| superActivity = act.getSuperActivities(); |
| act.setSuperActivities(null); |
| createdActivities.clear(); |
| } |
| |
| if (listeners != null) { |
| for (Iterator iter = listeners.iterator(); iter.hasNext();) { |
| ICommandListener listener = (ICommandListener) iter.next(); |
| listener.postUndo(this); |
| } |
| } |
| } |
| |
| /** |
| * Restores the order of the siblings of the wrapper |
| */ |
| protected void restoreOrder() { |
| Activity variedAct = (Activity) createdActivities.get(createdActivities.size() - 1); |
| BreakdownElement be = (BreakdownElement) TngUtil.unwrap(wrapper); |
| BreakdownElement prev = variedAct.getPresentedBefore(); |
| if(prev != null && proc == TngUtil.getOwningProcess(prev)) { |
| prev.setPresentedAfter(be); |
| } |
| BreakdownElement next = variedAct.getPresentedAfter(); |
| if(next != null && proc == TngUtil.getOwningProcess(next)) { |
| next.setPresentedBefore(be); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.AbstractCommand#getResult() |
| */ |
| public Collection getResult() { |
| return createdActivities; |
| } |
| } |