001    /**
002     * planningtool - A Planning Tool with Critiquing Support.
003     * 
004     * Copyright (C) 2006 olale
005    
006     * This program is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU General Public License
008     * as published by the Free Software Foundation; either version 2
009     * of the License, or (at your option) any later version.
010    
011     * This program is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014     * GNU General Public License for more details.
015    
016     * You should have received a copy of the GNU General Public License
017     * along with this program; if not, write to the Free Software
018     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019    
020     * Contact information: 
021     * E-mail: olale@ida.liu.se
022     *         olale@lysator.liu.se
023     */
024    package se.liu.ida.critiquer.gui.graph;
025    
026    import org.tigris.gef.graph.GraphModel;
027    import org.tigris.gef.graph.presentation.NetPort;
028    
029    public class ChildPort extends AbstractActivityPort {
030    
031            /**
032         * 
033         */
034            private static final long serialVersionUID = 1L;
035    
036            public ChildPort(ActivityNode activityNode) {
037                    super(activityNode);
038                    // TODO Auto-generated constructor stub
039            }
040    
041            /*
042         * (non-Javadoc)
043         * 
044         * @see org.tigris.gef.graph.presentation.NetPort#canConnectTo(org.tigris.gef.graph.GraphModel,
045         *      java.lang.Object)
046         */
047            @Override
048            public boolean canConnectTo(GraphModel gm, Object anotherPort) {
049                    boolean canConnect = super.canConnectTo(gm, anotherPort);
050                    /*
051             * Additional constraints regarding which tasks may be subtasks of other
052             * tasks?
053             */
054                    if (anotherPort instanceof ParentPort) {
055                            ParentPort parentPort = (ParentPort) anotherPort;
056                            canConnect &= getActivityNode().getActivity().canBeChildOf(parentPort.getActivityNode().getActivity());
057                    } else {
058                            canConnect = false;
059                    }
060                    return canConnect;
061    
062            }
063    
064            @Override
065            protected Class defaultEdgeClass(NetPort otherPort) {
066                    try {
067                            return Class.forName("se.liu.ida.critiquer.gui.graph.InheritanceEdge");
068                    } catch (java.lang.ClassNotFoundException ignore) {
069                            return null;
070                    }
071            }
072    
073    }