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/*****************************************************************************
* Copyright (c) 2010 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:
* Ansgar Radermacher (CEA LIST) ansgar.radermacher@cea.fr - Initial API and implementation
*****************************************************************************/
package org.eclipse.papyrus.uml.diagram.example.programmaticcreation;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.papyrus.infra.emf.utils.EMFHelper;
import org.eclipse.ui.PlatformUI;
/**
* Superclass for handlers. It converts a selection into an EObject
*/
public abstract class CmdHandler extends AbstractHandler {
/**
* Convert selected elements within model explorer or diagram to an eObject
*/
public void updateSelectedEObject() {
// Retrieve selected elements
IStructuredSelection selection = (IStructuredSelection)PlatformUI
.getWorkbench().getActiveWorkbenchWindow()
.getSelectionService().getSelection();
if(selection != null) {
selectedEObject = EMFHelper.getEObject(selection.getFirstElement());
}
}
/**
* Store the selected EObject. Accessible for subclasses
*/
protected EObject selectedEObject;
}
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