ElementSelectionDialogContentProvider.java

/*******************************************************************************
 * Copyright (c) 2010-2012, Tamas Szabo, Istvan Rath and Daniel Varro
 * 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:
 *   Tamas Szabo - initial API and implementation
 *******************************************************************************/
package org.eclipse.incquery.tooling.ui.wizards.internal;

import java.util.Collection;

import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;

/**
 * @author Tamas Szabo
 * 
 */
public class ElementSelectionDialogContentProvider implements IStructuredContentProvider {

    @Override
    public void dispose() {

    }

    @Override
    public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {

    }

    @Override
    public Object[] getElements(Object inputElement) {
        if (inputElement instanceof Object[]) {
            return (Object[]) inputElement;
        } else if (inputElement instanceof Collection<?>) {
            return ((Collection<?>) inputElement).toArray();
        }
        return null;
    }

}