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/*
* Copyright (c) 2004 - 2012 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:
* Martin Fluegge - initial API and implementation
*/
package org.eclipse.emf.cdo.dawn.ui.handlers;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.handlers.HandlerUtil;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
/**
* @author Martin Fluegge
* @since 2.0
*/
public abstract class SelectionHandler extends AbstractHandler
{
protected List<Object> getSelectedObjects(ExecutionEvent event)
{
List<Object> objects = new ArrayList<Object>();
ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getSelection();
if (selection != null & selection instanceof IStructuredSelection)
{
IStructuredSelection structuredSelection = (IStructuredSelection)selection;
for (@SuppressWarnings("unchecked")
Iterator<Object> iterator = structuredSelection.iterator(); iterator.hasNext();)
{
Object element = iterator.next();
objects.add(element);
}
}
return objects;
}
}
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