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/*
* Copyright (c) 2013 Eike Stepper (Berlin, Germany) 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:
* Christian W. Damus (CEA LIST) - initial API and implementation
*/
package org.eclipse.emf.cdo.security.internal.ui.actions;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.actions.BaseSelectionListenerAction;
/**
* @author Christian W. Damus (CEA LIST)
*/
public class SelectionListenerAction extends BaseSelectionListenerAction
{
private EObject selectedObject;
public SelectionListenerAction(String text)
{
super(text);
}
public SelectionListenerAction(String text, ImageDescriptor imageDescriptor)
{
this(text);
setImageDescriptor(imageDescriptor);
}
@Override
protected boolean updateSelection(IStructuredSelection selection)
{
boolean result = !selection.isEmpty();
if (result)
{
Object first = selection.getFirstElement();
result = first instanceof EObject;
if (result)
{
selectedObject = (EObject)first;
}
}
return super.updateSelection(selection) && result;
}
protected EObject getSelectedObject()
{
return selectedObject;
}
}
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