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The source code// $Id: CrNodesOverlap.java,v 1.12 2004/09/21 19:03:31 mvw Exp $ // Copyright (c) 1996-99 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. // File: CrNodesOverlap.java // Classes: CrNodesOverlap // Original Author: jrobbins@ics.uci.edu // $Id: CrNodesOverlap.java,v 1.12 2004/09/21 19:03:31 mvw Exp $ package org.argouml.cognitive.critics; import java.awt.Rectangle; import java.util.Vector; import org.argouml.cognitive.Designer; import org.argouml.cognitive.ToDoItem; import org.argouml.uml.cognitive.critics.CrUML; import org.argouml.uml.diagram.deployment.ui.FigObject; import org.argouml.uml.diagram.deployment.ui.UMLDeploymentDiagram; import org.argouml.uml.diagram.sequence.ui.UMLSequenceDiagram; import org.argouml.uml.diagram.static_structure.ui.FigClass; import org.argouml.uml.diagram.static_structure.ui.FigInterface; import org.argouml.uml.diagram.ui.FigNodeModelElement; import org.tigris.gef.base.Diagram; import org.tigris.gef.presentation.FigNode; import org.tigris.gef.util.VectorSet; /** A critic to detect when a class can never have instances (of * itself of any subclasses). */ public class CrNodesOverlap extends CrUML { /** * The constructor. * */ public CrNodesOverlap() { // TODO: {name} is not expanded for diagram objects setHeadline("Clean Up Diagram"); addSupportedDecision(CrUML.DEC_CLASS_SELECTION); addSupportedDecision(CrUML.DEC_EXPECTED_USAGE); addSupportedDecision(CrUML.DEC_STATE_MACHINES); setKnowledgeTypes(Critic.KT_PRESENTATION); } //////////////////////////////////////////////////////////////// // critiquing API /** * @see org.argouml.uml.cognitive.critics.CrUML#predicate2( * java.lang.Object, org.argouml.cognitive.Designer) */ public boolean predicate2(Object dm, Designer dsgr) { if (!(dm instanceof Diagram)) return NO_PROBLEM; Diagram d = (Diagram) dm; // fixes bug #669. Sequencediagrams always overlap, so there is // always a problem if (dm instanceof UMLSequenceDiagram) return NO_PROBLEM; VectorSet offs = computeOffenders(d); if (offs == null) return NO_PROBLEM; return PROBLEM_FOUND; } /** * @see org.argouml.cognitive.critics.Critic#toDoItem(java.lang.Object, * org.argouml.cognitive.Designer) */ public ToDoItem toDoItem(Object dm, Designer dsgr) { Diagram d = (Diagram) dm; VectorSet offs = computeOffenders(d); return new ToDoItem(this, offs, dsgr); } /** * @see org.argouml.cognitive.Poster#stillValid( * org.argouml.cognitive.ToDoItem, org.argouml.cognitive.Designer) */ public boolean stillValid(ToDoItem i, Designer dsgr) { if (!isActive()) return false; VectorSet offs = i.getOffenders(); Diagram d = (Diagram) offs.firstElement(); //if (!predicate(dm, dsgr)) return false; VectorSet newOffs = computeOffenders(d); boolean res = offs.equals(newOffs); return res; } /** * @param d the diagram * @return the set of offenders */ public VectorSet computeOffenders(Diagram d) { //TODO: algorithm is n^2 in number of nodes Vector figs = new Vector(d.getLayer().getContents(null)); int numFigs = figs.size(); int numRects = 0; VectorSet offs = null; for (int i = 0; i < numFigs - 1; i++) { Object oi = figs.elementAt(i); if (!(oi instanceof FigNode)) continue; FigNode fni = (FigNode) oi; Rectangle boundsi = fni.getBounds(); for (int j = i + 1; j < numFigs; j++) { Object oj = figs.elementAt(j); if (!(oj instanceof FigNode)) continue; FigNode fnj = (FigNode) oj; if (fnj.intersects(boundsi)) { if (!(d instanceof UMLDeploymentDiagram)) { if (fni instanceof FigNodeModelElement) { if (((FigNodeModelElement) fni).getEnclosingFig() == fnj) continue; } if (fnj instanceof FigNodeModelElement) { if (((FigNodeModelElement) fnj).getEnclosingFig() == fni) continue; } } // In DeploymentDiagrams the situation is not the // same as in other diagrams only classes, // interfaces and objects can intersect each other // while they are not the EnclosingFig, so you // have to prouve only these elements. else { if ((!((fni instanceof FigClass) || (fni instanceof FigInterface) || (fni instanceof FigObject))) || (!((fnj instanceof FigClass) || (fnj instanceof FigInterface) || (fnj instanceof FigObject)))) continue; } if (offs == null) { offs = new VectorSet(); offs.addElement(d); } offs.addElement(fni); offs.addElement(fnj); break; } } } return offs; } } /* end class CrNodesOverlap */ |
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