// $Id: FigLink.java 8914 2005-09-26 10:46:53Z bobtarling $
// Copyright (c) 1996-2005 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
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// UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

package org.argouml.uml.diagram.static_structure.ui;

import java.awt.Color;

import org.argouml.model.Model;
import org.argouml.uml.diagram.ui.FigEdgeModelElement;
import org.tigris.gef.presentation.Fig;

/**
 * Class to display graphics for a UML Link in a diagram.
 *
 */
public class FigLink extends FigEdgeModelElement {

    ////////////////////////////////////////////////////////////////
    // constructors

    /**
     * Constructor.
     */
    public FigLink() {
	getFig().setLineColor(Color.black);
	setBetweenNearestPoints(true);
    }

    /**
     * Constructor that hooks the Fig to a UML element.
     *
     * @param edge the UML element
     */
    public FigLink(Object edge) {
	this();
	setOwner(edge);
    }

    /**
     * TODO: should edit something...
     *
     * @see org.argouml.uml.diagram.ui.FigEdgeModelElement#canEdit(org.tigris.gef.presentation.Fig)
     */
    protected boolean canEdit(Fig f) { return false; }


    /**
     * @see org.argouml.uml.diagram.ui.FigEdgeModelElement#getDestination()
     */
    protected Object getDestination() {
        if (getOwner() != null) {
            return Model.getCommonBehaviorHelper()
		.getDestination(/*(MLink)*/ getOwner());
        }
        return null;
    }

    /**
     * @see org.argouml.uml.diagram.ui.FigEdgeModelElement#getSource()
     */
    protected Object getSource() {
        if (getOwner() != null) {
            return Model.getCommonBehaviorHelper()
		.getSource(/*(MLink)*/ getOwner());
        }
        return null;
    }

} /* end class FigLink */
