/*******************************************************************************
 * Copyright (c) 2009, 2010 Progress Software Corporation.
 * 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
 ******************************************************************************/

package org.fusesource.tools.messaging.ui;

import java.util.List;

import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.fusesource.tools.core.message.Message;
import org.fusesource.tools.messaging.IConstants;

public class TableContentProvider implements IStructuredContentProvider {

    @SuppressWarnings("unchecked")
    public Object[] getElements(Object inputElement) {
        if (inputElement instanceof List) {
            List queuedMsgs = (List) inputElement;
            return queuedMsgs.size() > 0 ? queuedMsgs.toArray() : IConstants.NO_CHILDREN;
        } else if (inputElement instanceof Message) {
            return new Object[] { inputElement };
        }
        return IConstants.NO_CHILDREN;
    }

    public void dispose() {
    }

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