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The source code// $Id: UMLMutableGraphSupport.java,v 1.12 2004/09/28 11:12:20 bobtarling Exp $ // Copyright (c) 1996-2004 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.diagram; import org.argouml.model.ModelFacade; import org.argouml.model.uml.UmlFactory; import org.argouml.model.uml.UmlException; import org.argouml.model.uml.UmlHelper; import java.util.Hashtable; import java.util.List; import java.util.Vector; import org.apache.log4j.Logger; import org.tigris.gef.base.Editor; import org.tigris.gef.base.Globals; import org.tigris.gef.base.Mode; import org.tigris.gef.base.ModeManager; import org.tigris.gef.graph.MutableGraphSupport; /** * UMLMutableGraphSupport is a helper class which extends * MutableGraphSupport to provide additional helper and common methods * for UML Diagrams. * * @author mkl@tigris.org * @since November 14, 2002, 10:20 PM */ public abstract class UMLMutableGraphSupport extends MutableGraphSupport { private static final Logger LOG = Logger.getLogger(UMLMutableGraphSupport.class); /** contains all the nodes in the graphmodel/diagram. */ private Vector nodes = new Vector(); /** constains all the edges in the graphmodel/diagram. */ private Vector edges = new Vector(); /** constructor. * @see org.tigris.gef.graph.MutableGraphSupport */ public UMLMutableGraphSupport() { super(); } /** get all the nodes from the graphmodel/diagram * @see org.tigris.gef.graph.MutableGraphSupport#getNodes() * @return Vector of nodes in the graphmodel/diagram */ public List getNodes() { return nodes; } /** get all the edges from the graphmodel/diagram * @return Vector of edges in the graphmodel/diagram */ public List getEdges() { return edges; } /** * @see org.tigris.gef.graph.MutableGraphModel#containsNode(java.lang.Object) */ public boolean containsNode(Object node) { return nodes.contains(node); } /** * @param edge the candidate edge * @return true if it is contained */ public boolean constainsEdge(Object edge) { return edges.contains(edge); } /** remove a node from the diagram and notify GEF * @param node node to remove */ public void removeNode(Object node) { if (!containsNode(node)) return; nodes.removeElement(node); fireNodeRemoved(node); } /** remove an edge from the graphmodel and notify GEF * @param edge edge to remove */ public void removeEdge(Object edge) { if (!containsEdge(edge)) return; edges.removeElement(edge); fireEdgeRemoved(edge); } /** * Assume that anything can be connected to anything unless overridden * in a subclass. * * @see org.tigris.gef.graph.MutableGraphModel#canConnect(java.lang.Object, * java.lang.Object) */ public boolean canConnect(Object fromP, Object toP) { return true; } /** The connect method without specifying a connection * type is unavailable by default * * @see org.tigris.gef.graph.MutableGraphModel#connect(java.lang.Object, * java.lang.Object) */ public Object connect(Object fromPort, Object toPort) { throw new UnsupportedOperationException("The connect method is " + "not supported"); } /** * @return the namespace of the diagram */ public abstract Object getNamespace(); /** Contruct and add a new edge of the given kind and connect * the given ports. * * @param fromPort The originating port to connect * * @param toPort The destination port to connect * * @param edgeClass The NSUML type of edge to create. * * @return The type of edge created (the same as * |
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