/*
 * Copyright (C) 1999-2006 <a href="mailto:adrian.paschke@gmx.de">Adrian Paschke</a>
 * 
 * The RBSLM Environment is part of the Rule Based Service Level Agreement (RBSLA)
 * framework, available at 
 * <a href=" http://ibis.in.tum.de/staff/paschke/rbsla/index.htm">RBSLA</a>
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package rbsla.environment.view;

import java.util.Hashtable;

import javax.swing.JComponent;

/**
 * Interface for all viewer.
 */
public interface Viewer
{
    
    /**
     * Is called to get the names of the Properties valid for the specific 
     * viewer.
     * 
     * @return
     */
    
    public Hashtable getViewerPropertieNames();
    /**
     * Get the individual content pane of the Viewer. This method is always
     * called first, before dataChanged().
     * 
     * @param viewProperties
     * @return
     */
    public JComponent getContentPane(Hashtable viewProperties);

    /**
     * If date is changed in the modell, this method is informed about this
     * update. The Viewer can also decide to show some debugText, generated
     * from the logic avaluation.
     * 
     * @param result
     * @param debugText
     */
    public void dataChanged(String result, String debugText) throws Throwable;

}