| //------------------------------------------------------------------------------ |
| // 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.Collection; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.eclipse.emf.common.command.AbstractCommand; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.util.EList; |
| 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.command.IResourceAwareCommand; |
| import org.eclipse.epf.library.edit.util.DescriptorPropUtil; |
| import org.eclipse.epf.library.edit.util.TngUtil; |
| import org.eclipse.epf.library.edit.util.WbePropUtil; |
| import org.eclipse.epf.uma.Activity; |
| import org.eclipse.epf.uma.BreakdownElement; |
| import org.eclipse.epf.uma.TaskDescriptor; |
| import org.eclipse.epf.uma.WorkBreakdownElement; |
| |
| |
| /** |
| * Command to move up the element in breakdown structure |
| * |
| * @author Shilpa Toraskar |
| * @since 1.0 |
| */ |
| public class MoveUpCommand extends AbstractCommand implements |
| IResourceAwareCommand { |
| private Activity activity; |
| |
| private Collection modifiedResources; |
| |
| private int elementLocation = 0; |
| |
| private int transferLocation = 0; |
| |
| private Object elementObj; |
| |
| private Collection eClasses; |
| |
| private boolean adjacent = false; |
| |
| private Map<WorkBreakdownElement, WorkBreakdownElement> globalPresentedAfterMap = new HashMap<WorkBreakdownElement, WorkBreakdownElement>(); |
| |
| /** |
| * |
| */ |
| public MoveUpCommand(Activity activity, Object elementObj, |
| Collection eClasses) { |
| super(); |
| this.activity = activity; |
| this.elementObj = elementObj; |
| this.eClasses = eClasses; |
| |
| this.modifiedResources = new HashSet(); |
| if (activity.eResource() != null) { |
| modifiedResources.add(activity.eResource()); |
| } |
| |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.Command#execute() |
| */ |
| public void execute() { |
| if (elementObj instanceof WorkBreakdownElement) { |
| boolean completelyDone = handleWbeGlobalMove(activity, |
| (WorkBreakdownElement) elementObj, true, globalPresentedAfterMap); |
| if (completelyDone) { |
| return; |
| } |
| } |
| |
| List allElements = activity.getBreakdownElements(); |
| |
| for (int i = 0; i < allElements.size(); i++) { |
| Object obj = allElements.get(i); |
| if (obj.equals(elementObj)) { |
| elementLocation = i; |
| break; |
| } |
| } |
| for (int i = elementLocation - 1; i >= 0; i--) { |
| Object obj = allElements.get(i); |
| if (TngUtil.isEClassInstanceOf(eClasses, obj)) { |
| transferLocation = i; |
| break; |
| } |
| } |
| |
| BreakdownElement prev = (BreakdownElement) allElements.get(transferLocation); |
| if(prev.getPresentedAfter() == elementObj) { |
| adjacent = true; |
| } |
| |
| redo(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.command.Command#redo() |
| */ |
| public void redo() { |
| if(adjacent) { |
| // swap "presented-after" element |
| // |
| BreakdownElement prev = (BreakdownElement) activity.getBreakdownElements().get(transferLocation); |
| BreakdownElement e = (BreakdownElement) elementObj; |
| prev.setPresentedAfter(e.getPresentedAfter()); |
| e.setPresentedAfter(prev); |
| } |
| ((EList) activity.getBreakdownElements()).move(transferLocation, |
| elementLocation); |
| |
| } |
| |
| //return true if move is completely done - no need to do local move |
| //return false if move is partially done - still need to do local move |
| public static boolean handleWbeGlobalMove(Activity act, WorkBreakdownElement wbe, boolean up, |
| Map<WorkBreakdownElement, WorkBreakdownElement> globalPresentedAfterMap ) { |
| if (wbe instanceof TaskDescriptor |
| && DescriptorPropUtil.getDesciptorPropUtil().getGreenParent( |
| (TaskDescriptor) wbe) != null) { |
| return true; //don't move for green customizing child |
| } |
| |
| AdapterFactory aFactory = TngAdapterFactory.INSTANCE |
| .getWBS_ComposedAdapterFactory(); |
| ItemProviderAdapter adapter = (ItemProviderAdapter) aFactory.adapt( |
| act, ITreeItemContentProvider.class); |
| |
| Collection<?> children = adapter.getChildren(act); |
| if (! (children instanceof List)) { |
| return false; |
| } |
| |
| WbePropUtil propUtil = WbePropUtil.getWbePropUtil(); |
| |
| boolean completelyDone = false; |
| List<?> childList = (List<?>) children; |
| |
| Set<BreakdownElement> localSet = new HashSet<BreakdownElement>(); |
| for (BreakdownElement be : act.getBreakdownElements()) { |
| if (be instanceof WorkBreakdownElement) { |
| if (be instanceof TaskDescriptor) { |
| if (DescriptorPropUtil.getDesciptorPropUtil() |
| .getGreenParent((TaskDescriptor) be) != null) { |
| continue; |
| } |
| } |
| WorkBreakdownElement w = (WorkBreakdownElement) be; |
| |
| localSet.add(w); |
| globalPresentedAfterMap.put(w, propUtil.getGlobalPresentedAfter(w)); |
| } |
| } |
| |
| if (localSet.isEmpty()) { |
| return false; |
| } |
| |
| WorkBreakdownElement globalPresentedAfter = act; |
| for (int i = 0; i < childList.size(); i++) { |
| Object child = childList.get(i); |
| if (child == wbe) { |
| Object newPrev = null; |
| if (up) { |
| if (i == 0) { |
| break; |
| } |
| |
| newPrev = i == 1 ? act : TngUtil.unwrap(childList.get(i - 2)); |
| Object prevItem = childList.get(i - 1); |
| Object nextItem = i + 1 < childList.size() ? childList |
| .get(i + 1) : null; |
| if (localSet.contains(prevItem)) { |
| propUtil.setGlobalPresentedAfter( |
| (WorkBreakdownElement) prevItem, wbe); |
| } else { |
| completelyDone = true; |
| } |
| if (nextItem != null && localSet.contains(nextItem)) { |
| WorkBreakdownElement nextWbe = (WorkBreakdownElement) nextItem; |
| prevItem = TngUtil.unwrap(prevItem); |
| if (prevItem instanceof WorkBreakdownElement) { |
| propUtil.setGlobalPresentedAfter(nextWbe, |
| (WorkBreakdownElement) prevItem); |
| } else { |
| propUtil.setGlobalPresentedAfter(nextWbe, null); |
| } |
| } |
| |
| } else { |
| if (i == childList.size() - 1) { |
| break; |
| } |
| |
| Object prevItem = i - 1 >= 0 ? childList.get(i - 1) : act; |
| newPrev = childList.get(i + 1); |
| if (localSet.contains(newPrev)) { |
| prevItem = TngUtil.unwrap(prevItem); |
| if (prevItem instanceof WorkBreakdownElement) { |
| propUtil.setGlobalPresentedAfter( |
| (WorkBreakdownElement) newPrev, |
| (WorkBreakdownElement) prevItem); |
| } else { |
| propUtil.setGlobalPresentedAfter( |
| (WorkBreakdownElement) newPrev, null); |
| } |
| } else { |
| completelyDone = true; |
| newPrev = TngUtil.unwrap(newPrev); |
| } |
| |
| Object newNextItem = i + 2 < childList.size() ? childList |
| .get(i + 2) : null; |
| if (localSet.contains(newNextItem)) { |
| propUtil.setGlobalPresentedAfter((WorkBreakdownElement) newNextItem, wbe); |
| } |
| |
| } |
| |
| if (newPrev instanceof WorkBreakdownElement) { |
| globalPresentedAfter = (WorkBreakdownElement) newPrev; |
| } |
| |
| break; |
| } |
| } |
| propUtil.setGlobalPresentedAfter(wbe, globalPresentedAfter); |
| |
| if (! act.getBreakdownElements().isEmpty()) { |
| ((EList) act.getBreakdownElements()).move(0, 0); //hmm ... cause notifying UI refresh |
| } |
| |
| return completelyDone; |
| } |
| |
| public void undo() { |
| ((EList) activity.getBreakdownElements()).move(elementLocation, |
| transferLocation); |
| if(adjacent) { |
| // restore "presented-after" element |
| // |
| BreakdownElement prev = (BreakdownElement) activity.getBreakdownElements().get(transferLocation); |
| BreakdownElement e = (BreakdownElement) elementObj; |
| e.setPresentedAfter(prev.getPresentedAfter()); |
| prev.setPresentedAfter(e); |
| } |
| |
| WbePropUtil propUtil = WbePropUtil.getWbePropUtil(); |
| if (!globalPresentedAfterMap.isEmpty()) { |
| for (Map.Entry<WorkBreakdownElement, WorkBreakdownElement> entry : globalPresentedAfterMap |
| .entrySet()) { |
| propUtil.setGlobalPresentedAfter(entry.getKey(), entry.getValue()); |
| } |
| } |
| } |
| |
| protected boolean prepare() { |
| return true; |
| } |
| |
| public Collection getModifiedResources() { |
| return modifiedResources; |
| } |
| } |