// $Id: PropPanelSubsystem.java,v 1.16 2004/09/22 17:27:45 mvw Exp $
// Copyright (c) 1996-2002 The Regents of the University of California. All
// Rights Reserved. Permission to use, copy, modify, and distribute this
// software and its documentation without fee, and without a written
// agreement is hereby granted, provided that the above copyright notice
// and this paragraph appear in all copies. This software program and
// documentation are copyrighted by The Regents of the University of
// California. The software program and documentation are supplied "AS
// IS", without any accompanying services from The Regents. The Regents
// does not warrant that the operation of the program will be
// uninterrupted or error-free. The end-user understands that the program
// was developed for research purposes and is advised not to rely
// exclusively on the program for any reason. IN NO EVENT SHALL THE
// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
// SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,
// ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF
// THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY
// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE
// PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF
// CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,
// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

package org.argouml.uml.ui.model_management;

import javax.swing.JList;
import javax.swing.JScrollPane;

import org.argouml.i18n.Translator;
import org.argouml.model.ModelFacade;
import org.argouml.model.uml.UmlFactory;
import org.argouml.ui.targetmanager.TargetManager;
import org.argouml.uml.ui.PropPanelButton;
import org.argouml.uml.ui.UMLLinkedList;
import org.argouml.uml.ui.foundation.core.UMLClassifierFeatureListModel;
import org.argouml.util.ConfigLoader;

/** A property panel for UML subsystems. */
public class PropPanelSubsystem extends PropPanelPackage {

    private JScrollPane featureScroll;

    private static UMLClassifierFeatureListModel featureListModel = 
        new UMLClassifierFeatureListModel();

    /**
     * The constructor.
     * 
     */
    public PropPanelSubsystem() {
        super("Subsystem", lookupIcon("Subsystem"), 
                ConfigLoader.getTabPropsOrientation());

        addField(Translator.localize("UMLMenu", "label.available-features"),
                getFeatureScroll());

        new PropPanelButton(this, getButtonPanel(), lookupIcon("NewOperation"), 
                Translator.localize(
                "UMLMenu", "button.new-operation"), "addOperation", null);
    }

  
    /**
     * Add a new operation to this classifier.
     */
    public void addOperation() {
        Object target = getTarget();
        if (ModelFacade.isAClassifier(target)) {
            Object/* MOperation */newOper = UmlFactory.getFactory().getCore()
                    .buildOperation(target);
            TargetManager.getInstance().setTarget(newOper);
        }
    }

    /**
     * Returns the featureScroll.
     * 
     * @return JScrollPane
     */
    public JScrollPane getFeatureScroll() {
        if (featureScroll == null) {
            JList list = new UMLLinkedList(featureListModel);
            featureScroll = new JScrollPane(list);
        }
        return featureScroll;
    }

} /* end class PropPanelSubsystem */