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/*****************************************************************************
* Copyright (c) 2014 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.uml.developper.mde.handler;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.transaction.TransactionalEditingDomain;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.papyrus.editor.PapyrusMultiDiagramEditor;
import org.eclipse.papyrus.infra.core.editor.IMultiDiagramEditor;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.papyrus.infra.emf.utils.ServiceUtilsForHandlers;
import org.eclipse.ui.ISelectionService;
import org.eclipse.ui.PlatformUI;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Package;
/**
* Abstract handler in order to connect to papyrus
*
*/
public abstract class IDMAbstractHandler extends AbstractHandler {
protected TransactionalEditingDomain transactionalEditingDomain = null;
protected PapyrusMultiDiagramEditor papyrusEditor;
public static HashMap<Element, Element> elt2DocElt = new HashMap<Element, Element>();
public static HashMap<Package, Package> Toc2DocElt = new HashMap<Package, Package>();
/**
* get the root package
*
* @param elem
* @return the root package
*/
public Package getToPackage(Element elem) {
Package tmp = elem.getNearestPackage();
while (tmp.getOwner() != null && (tmp.getOwner() instanceof Package)) {
tmp = (Package) tmp.getOwner();
}
return tmp;
}
// @Override
@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
try {
papyrusEditor = (PapyrusMultiDiagramEditor) ServiceUtilsForHandlers.getInstance().getService(IMultiDiagramEditor.class, event);
transactionalEditingDomain = ServiceUtilsForHandlers.getInstance().getService(org.eclipse.emf.transaction.TransactionalEditingDomain.class, event);
} catch (Exception e) {
System.err.println("impossible to get the Transactional Editing Domain " + e); //$NON-NLS-1$
}
return null;
}
/**
* getSelected element in the diagram or in hte model explorer
*
* @return Element or null
*/
protected Element getSelection() {
ISelectionService selectionService = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getSelectionService();
ISelection selection = selectionService.getSelection();
if (selection instanceof IStructuredSelection) {
Object selectedobject = ((IStructuredSelection) selection).getFirstElement();
EObject selectedElement = EMFHelper.getEObject(selectedobject);
if (selectedElement instanceof Element) {
return (Element) 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();
EObject selectedElement = EMFHelper.getEObject(currentSelection);
if (selectedElement instanceof Element) {
selectedSet.add((Element) selectedElement);
}
}
}
return selectedSet;
}
}
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