CrClassWithoutComponent.java

/* $Id$
 *****************************************************************************
 * Copyright (c) 2009 Contributors - see below
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    tfmorris
 *****************************************************************************
 *
 * Some portions of this file was previously release using the BSD License:
 */

// Copyright (c) 1996-2006 The Regents of the University of California. All
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// software and its documentation without fee, and without a written
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package org.argouml.uml.cognitive.critics;

import java.util.Iterator;
import java.util.List;

import org.argouml.cognitive.Designer;
import org.argouml.cognitive.ListSet;
import org.argouml.cognitive.ToDoItem;
import org.argouml.model.Model;
import org.argouml.uml.cognitive.UMLDecision;
import org.argouml.uml.cognitive.UMLToDoItem;
import org.argouml.uml.diagram.deployment.ui.UMLDeploymentDiagram;
import org.argouml.uml.diagram.static_structure.ui.FigClass;

/**
 * A critic to detect when a class in a deployment-diagram
 * is not inside a component
 *
 * @author 5eichler
 */
public class CrClassWithoutComponent extends CrUML {

    /**
     * The constructor.
     */
    public CrClassWithoutComponent() {
        setupHeadAndDesc();
	addSupportedDecision(UMLDecision.PATTERNS);
    }

    /*
     * @see org.argouml.uml.cognitive.critics.CrUML#predicate2(
     *      java.lang.Object, org.argouml.cognitive.Designer)
     */
    @Override
    public boolean predicate2(Object dm, Designer dsgr) {
	if (!(dm instanceof UMLDeploymentDiagram)) {
	    return NO_PROBLEM;
	}
	UMLDeploymentDiagram dd = (UMLDeploymentDiagram) dm;
	ListSet offs = computeOffenders(dd);
	if (offs == null) {
	    return NO_PROBLEM;
	}
	return PROBLEM_FOUND;
    }

    /*
     * @see org.argouml.cognitive.critics.Critic#toDoItem( java.lang.Object,
     *      org.argouml.cognitive.Designer)
     */
    @Override
    public ToDoItem toDoItem(Object dm, Designer dsgr) {
	UMLDeploymentDiagram dd = (UMLDeploymentDiagram) dm;
	ListSet offs = computeOffenders(dd);
	return new UMLToDoItem(this, offs, dsgr);
    }

    /*
     * @see org.argouml.cognitive.Poster#stillValid(
     *      org.argouml.cognitive.ToDoItem, org.argouml.cognitive.Designer)
     */
    @Override
    public boolean stillValid(ToDoItem i, Designer dsgr) {
	if (!isActive()) {
	    return false;
	}
	ListSet offs = i.getOffenders();
	UMLDeploymentDiagram dd = (UMLDeploymentDiagram) offs.get(0);
	//if (!predicate(dm, dsgr)) return false;
	ListSet newOffs = computeOffenders(dd);
	boolean res = offs.equals(newOffs);
	return res;
    }

    /**
     * If there are classes that are not inside a component
     * the returned ListSet is not null. Then in the ListSet
     * are the UMLDeploymentDiagram and all FigClasses with no
     * enclosing FigComponent
     *
     * @param dd the deployment diagram
     * @return the set of effenders
     */
    public ListSet computeOffenders(UMLDeploymentDiagram dd) {
	List figs = dd.getLayer().getContents();
	ListSet offs = null;
	Iterator figIter = figs.iterator();
	while (figIter.hasNext()) {
	    Object obj = figIter.next();
	    if (!(obj instanceof FigClass)) {
	        continue;
	    }
	    FigClass fc = (FigClass) obj;
	    if (fc.getEnclosingFig() == null
		|| (!(Model.getFacade().isAComponent(fc.getEnclosingFig()
		                                        .getOwner())))) {
		if (offs == null) {
		    offs = new ListSet();
		    offs.add(dd);
		}
		offs.add(fc);
	    }
	}
	return offs;
    }

}