Ptidej-v5.2-master/POM Tests/data/ArgoUML_0.28/src/org/argouml/uml/cognitive/critics/CrNodeInstanceInsideElement.java
// $Id: CrNodeInstanceInsideElement.java 12950 2007-07-01 08:10:04Z tfmorris $
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package org.argouml.uml.cognitive.critics;

import java.util.Collection;

import org.argouml.cognitive.Designer;
import org.argouml.cognitive.ListSet;
import org.argouml.cognitive.ToDoItem;
import org.argouml.uml.cognitive.UMLDecision;
import org.argouml.uml.cognitive.UMLToDoItem;
import org.argouml.uml.diagram.deployment.ui.FigNodeInstance;
import org.argouml.uml.diagram.deployment.ui.UMLDeploymentDiagram;

/**
 * A critic to detect when there are node-instances that
 * are inside another element
 *
 * @author jrobbins
 */
public class CrNodeInstanceInsideElement extends CrUML {

    /**
     * The constructor.
     *
     */
    public CrNodeInstanceInsideElement() {
        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 node-instances that have an enclosing Fig
     * the returned vector-set is not null. Then in the vector-set
     * are the UMLDeploymentDiagram and all FigMNodeInstances with an
     * enclosing Fig
     *
     * @param dd the diagram to check
     * @return the set of offenders
     */
    public ListSet computeOffenders(UMLDeploymentDiagram dd) {
	Collection figs = dd.getLayer().getContents();
	ListSet offs = null;
        for (Object obj : figs) {
	    if (!(obj instanceof FigNodeInstance)) {
                continue;
            }
	    FigNodeInstance fn = (FigNodeInstance) obj;
	    if (fn.getEnclosingFig() != null) {
		if (offs == null) {
		    offs = new ListSet();
		    offs.add(dd);
		}
		offs.add(fn);
	    }
	}
	return offs;
    }
}

