| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2007 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.authoring.ui.actions; |
| |
| import java.util.Collection; |
| |
| import org.eclipse.emf.common.command.Command; |
| import org.eclipse.emf.common.command.UnexecutableCommand; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain; |
| import org.eclipse.emf.edit.domain.IEditingDomainProvider; |
| import org.eclipse.emf.edit.provider.ITreeItemContentProvider; |
| import org.eclipse.emf.edit.ui.action.CommandActionHandler; |
| import org.eclipse.epf.authoring.ui.editors.ProcessEditor; |
| import org.eclipse.epf.library.edit.process.IBSItemProvider; |
| import org.eclipse.epf.uma.Activity; |
| import org.eclipse.epf.uma.BreakdownElement; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.swt.custom.BusyIndicator; |
| import org.eclipse.ui.IWorkbenchPart; |
| |
| /** |
| * Moves breakdown element in a process tree. |
| * |
| * @author Phong Nguyen Le |
| * @since 1.2 |
| */ |
| public abstract class AbstractMoveAction extends |
| CommandActionHandler implements IWorkbenchPartAction, IModifyingAction { |
| |
| protected ProcessEditor editor; |
| |
| /** |
| * Creates an instance |
| * @param text |
| */ |
| public AbstractMoveAction(String text) { |
| super(null, text); |
| } |
| |
| protected boolean accept(IStructuredSelection selection) { |
| // support move only one activity for now |
| // |
| if(selection.size() == 1) { |
| Object e = selection.getFirstElement(); |
| ITreeItemContentProvider ip = (ITreeItemContentProvider) getItemProvider(e); |
| return e instanceof BreakdownElement && ip != null && ip.getParent(e) instanceof Activity; |
| } |
| |
| return false; |
| } |
| |
| /** |
| * @see org.eclipse.emf.edit.ui.action.CommandActionHandler#updateSelection(org.eclipse.jface.viewers.IStructuredSelection) |
| */ |
| public boolean updateSelection(IStructuredSelection selection) { |
| // support move only one activity for now |
| // |
| if(accept(selection)) { |
| return super.updateSelection(selection); |
| } |
| return false; |
| } |
| |
| protected IBSItemProvider getItemProvider(Object element) { |
| if(domain instanceof AdapterFactoryEditingDomain) { |
| AdapterFactory adapterFactory = ((AdapterFactoryEditingDomain)domain).getAdapterFactory(); |
| Object ip = adapterFactory.adapt(element, ITreeItemContentProvider.class); |
| if(ip instanceof IBSItemProvider) { |
| return (IBSItemProvider) ip; |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * @see org.eclipse.emf.edit.ui.action.CommandActionHandler#createCommand(java.util.Collection) |
| */ |
| @SuppressWarnings("unchecked") |
| public Command createCommand(Collection<?> selection) { |
| Object element = selection.iterator().next(); |
| IBSItemProvider ip = getItemProvider(element); |
| if(ip != null) { |
| Object parent = ((ITreeItemContentProvider)ip).getParent(element); |
| if ((parent != null) && (parent instanceof Activity)) { |
| return createMoveCommand((Activity)parent, element, ip.getEClasses()); |
| } |
| } |
| return UnexecutableCommand.INSTANCE; |
| |
| } |
| |
| protected abstract Command createMoveCommand(Activity act, Object element, Collection<EClass> eClasses); |
| |
| /** |
| * @see org.eclipse.epf.authoring.ui.actions.IWorkbenchPartAction#setActiveWorkbenchPart(org.eclipse.ui.IWorkbenchPart) |
| */ |
| public void setActiveWorkbenchPart(IWorkbenchPart workbenchPart) { |
| if(workbenchPart instanceof IEditingDomainProvider) { |
| domain = ((IEditingDomainProvider)workbenchPart).getEditingDomain(); |
| } |
| if(workbenchPart instanceof ProcessEditor) { |
| editor = (ProcessEditor) workbenchPart; |
| } |
| else if(workbenchPart == null) { |
| editor = null; |
| } |
| } |
| |
| private void superRun() { |
| super.run(); |
| } |
| |
| /** |
| * @see org.eclipse.emf.edit.ui.action.CommandActionHandler#run() |
| */ |
| public void run() { |
| BusyIndicator.showWhile(editor.getEditorSite() |
| .getShell().getDisplay(), new Runnable() { |
| |
| public void run() { |
| superRun(); |
| } |
| |
| }); |
| } |
| |
| } |