| /***************************************************************************** |
| * Copyright (c) 2014, 2017 CEA LIST. |
| * |
| * |
| * 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: |
| * Patrick Tessier (CEA LIST) patrick.tessier@cea.fr - Initial API and implementation |
| * |
| *****************************************************************************/ |
| package org.eclipse.papyrus.revision.tool.handlers; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.commands.AbstractHandler; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.ISelectionService; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.uml2.uml.Element; |
| |
| /** |
| *This is an abstract handler that can be used by other handlers. it provides methods to get list of selected elements. |
| * |
| */ |
| public abstract class RevisionAbstractHandler extends AbstractHandler { |
| |
| /** |
| * the constructor |
| */ |
| public RevisionAbstractHandler() { |
| super(); |
| } |
| /** |
| * getSelected element in the diagram or in hte model explorer |
| * @return Element or null |
| */ |
| protected Element getSelection(){ |
| org.eclipse.uml2.uml.Element selectedElement =null; |
| ISelectionService selectionService = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService(); |
| ISelection selection = selectionService.getSelection(); |
| |
| if(selection instanceof IStructuredSelection) { |
| Object selectedobject = ((IStructuredSelection)selection).getFirstElement(); |
| if (selectedobject instanceof org.eclipse.uml2.uml.Element){ |
| selectedElement=(Element)selectedobject; |
| } |
| |
| return selectedElement; |
| } |
| return null; |
| } |
| /** |
| * getSelected element in the diagram or in hte model explorer |
| * @return Element or null |
| */ |
| protected ArrayList<Element> getSelectionSet(){ |
| ArrayList<Element> selectedSet =new ArrayList<Element>(); |
| ISelectionService selectionService = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService(); |
| ISelection selection = selectionService.getSelection(); |
| |
| //look for papyrus |
| |
| if(selection instanceof IStructuredSelection) { |
| @SuppressWarnings("rawtypes") |
| Iterator selectedobjectIteractor = ((IStructuredSelection)selection).iterator(); |
| while (selectedobjectIteractor.hasNext()) { |
| Object currentSelection = selectedobjectIteractor.next(); |
| if (currentSelection instanceof org.eclipse.uml2.uml.Element){ |
| selectedSet.add((Element)currentSelection); |
| } |
| } |
| |
| |
| } |
| return selectedSet; |
| } |
| } |