| //------------------------------------------------------------------------------ |
| // 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.Command; |
| import org.eclipse.emf.common.command.CompoundCommand; |
| import org.eclipse.emf.common.command.IdentityCommand; |
| import org.eclipse.emf.common.command.UnexecutableCommand; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.command.DragAndDropCommand; |
| import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; |
| import org.eclipse.emf.edit.domain.EditingDomain; |
| import org.eclipse.epf.library.edit.command.IResourceAwareCommand; |
| import org.eclipse.epf.library.edit.command.ResourceAwareCompoundCommand; |
| import org.eclipse.epf.library.edit.ui.ExposedAdapterFactoryContentProvider; |
| import org.eclipse.epf.library.edit.util.ExposedAdapterFactory; |
| import org.eclipse.epf.library.edit.util.TngUtil; |
| import org.eclipse.jface.viewers.Viewer; |
| |
| import com.ibm.uma.Activity; |
| import com.ibm.uma.BreakdownElement; |
| import com.ibm.uma.CapabilityPattern; |
| import com.ibm.uma.DeliveryProcess; |
| import com.ibm.uma.Process; |
| import com.ibm.uma.ProcessComponent; |
| |
| /** |
| * Abstract drag and drop command for process authoring |
| * |
| * @author Phong Nguyen Le |
| * @author Shilpa Toraskar |
| * @since 1.0 |
| */ |
| public abstract class BSDragAndDropCommand extends DragAndDropCommand implements |
| IResourceAwareCommand { |
| |
| /** |
| * @param domain |
| * @param owner |
| * @param location |
| * @param operations |
| * @param operation |
| * @param collection |
| */ |
| public BSDragAndDropCommand(EditingDomain domain, Object owner, |
| float location, int operations, int operation, Collection collection) { |
| super(domain, owner, location, operations, operation, collection); |
| } |
| |
| protected boolean prepareDropCopyOn() { |
| return prepareDropLinkOn(); |
| } |
| |
| protected boolean prepareDropLinkOn() { |
| dragCommand = IdentityCommand.INSTANCE; |
| dropCommand = UnexecutableCommand.INSTANCE; |
| |
| ArrayList list = new ArrayList(); |
| ArrayList actList = new ArrayList(); |
| for (Iterator iter = collection.iterator(); iter.hasNext();) { |
| Object obj = iter.next(); |
| obj = TngUtil.unwrap(obj); |
| if (TngUtil.isLocked((EObject) owner)) |
| return false; |
| if (accept(obj)) { |
| list.add(obj); |
| } |
| // else if(obj instanceof Process) { |
| // // disallow drop a process as an activity |
| // } |
| else if (obj instanceof Activity) { |
| Process srcProc = TngUtil |
| .getOwningProcess((BreakdownElement) obj); |
| Process targetProc = TngUtil |
| .getOwningProcess((BreakdownElement) owner); |
| |
| if (!(srcProc instanceof DeliveryProcess && targetProc instanceof CapabilityPattern)) { |
| actList.add(obj); |
| } |
| } |
| } |
| |
| boolean result; |
| if (list.isEmpty() && actList.isEmpty()) { |
| result = false; |
| } else { |
| CompoundCommand cmd = new ResourceAwareCompoundCommand(); |
| if (!list.isEmpty()) { |
| cmd.append(createDropCommand(owner, list)); |
| } |
| if (!actList.isEmpty()) { |
| cmd.append(new ActivityDropCommand((Activity) owner, actList, |
| getTargetViewer())); |
| } |
| dropCommand = cmd; |
| result = dropCommand.canExecute(); |
| } |
| return result; |
| } |
| |
| private Viewer getTargetViewer() { |
| if (domain instanceof AdapterFactoryEditingDomain) { |
| Process proc = TngUtil.getOwningProcess((BreakdownElement) owner); |
| AdapterFactory adapterFactory = ((AdapterFactoryEditingDomain) domain) |
| .getAdapterFactory(); |
| if (adapterFactory instanceof ExposedAdapterFactory) { |
| for (Iterator iter = Collections.unmodifiableList( |
| ((ExposedAdapterFactory) adapterFactory) |
| .getChangeListeners()).iterator(); iter |
| .hasNext();) { |
| Object listener = iter.next(); |
| if (listener instanceof ExposedAdapterFactoryContentProvider) { |
| Viewer viewer = ((ExposedAdapterFactoryContentProvider) listener) |
| .getViewer(); |
| if (viewer.getInput() instanceof ProcessComponent |
| && ((ProcessComponent) viewer.getInput()) |
| .getProcess() == proc) |
| return viewer; |
| } |
| } |
| } |
| } |
| return null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.ibm.library.edit.command.IResourceAwareCommand#getModifiedResources() |
| */ |
| public Collection getModifiedResources() { |
| if (dropCommand instanceof IResourceAwareCommand) { |
| return ((IResourceAwareCommand) dropCommand).getModifiedResources(); |
| } |
| return Collections.EMPTY_LIST; |
| } |
| |
| protected abstract boolean accept(Object obj); |
| |
| protected abstract Command createDropCommand(Object owner, List dropSrc); |
| |
| } |