Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/uml/ui/foundation/core/UMLOperationMethodsListModel.java
// $Id: UMLOperationMethodsListModel.java 11516 2006-11-25 04:30:15Z tfmorris $
// Copyright (c) 2004-2006 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
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// California. The software program and documentation are supplied "AS
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// 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
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// UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,
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package org.argouml.uml.ui.foundation.core;

import java.util.Collection;

import org.argouml.model.Model;
import org.argouml.uml.ui.UMLModelElementListModel2;


/**
 * The model for the list of methods of an operation.
 *
 * @author thn@tigris.org
 */
public class UMLOperationMethodsListModel
    extends UMLModelElementListModel2 {

    /**
     * The constructor.
     */
    public UMLOperationMethodsListModel() {
        super("method");
    }

    /*
     * @see org.argouml.uml.ui.UMLModelElementListModel2#buildModelList()
     */
    protected void buildModelList() {
        if (getTarget() != null) {
            Collection methods = null;
            Object target = getTarget();
            if (Model.getFacade().isAOperation(target)) {
                methods = Model.getFacade().getMethods(target);
            }
            setAllElements(methods);
        }
    }

    /*
     * @see org.argouml.uml.ui.UMLModelElementListModel2#isValidElement(java.lang.Object)
     */
    protected boolean isValidElement(Object element) {
        Collection methods = null;
        Object target = getTarget();
        if (Model.getFacade().isAOperation(target)) {
            methods = Model.getFacade().getMethods(target);
        }
        return (methods != null) && methods.contains(element);
    }

    /**
     * The UID.
     */
    private static final long serialVersionUID = -6905298765859760688L;
}
