// $Id: CrMissingClassName.java,v 1.12 2004/09/21 19:03:25 mvw Exp $
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// software and its documentation without fee, and without a written
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// File: CrMissingClassName.java
// Classes: CrMissingClassName
// Original Author: jrobbins@ics.uci.edu
// $Id: CrMissingClassName.java,v 1.12 2004/09/21 19:03:25 mvw Exp $

package org.argouml.uml.cognitive.critics;

import javax.swing.Icon;
import org.argouml.cognitive.Designer;
import org.argouml.cognitive.ToDoItem;
import org.argouml.cognitive.critics.Critic;
import org.argouml.kernel.Wizard;
import org.argouml.model.ModelFacade;
/** Well-formedness rule [1] for MNamespace. See page 33 of UML 1.1
 *  Semantics. OMG document ad/97-08-04. 
 */
public class CrMissingClassName extends CrUML {

    /**
     * The constructor.
     * 
     */
    public CrMissingClassName() {
	setHeadline("Choose a Name");
	addSupportedDecision(CrUML.DEC_NAMING);
	setKnowledgeTypes(Critic.KT_COMPLETENESS, Critic.KT_SYNTAX);
	addTrigger("name");
    }

    /**
     * @see org.argouml.uml.cognitive.critics.CrUML#predicate2(
     * java.lang.Object, org.argouml.cognitive.Designer)
     */
    public boolean predicate2(Object dm, Designer dsgr) {
	if (!(ModelFacade.isAModelElement(dm))) return NO_PROBLEM;
	Object e = /*(MModelElement)*/ dm;
	String myName = ModelFacade.getName(e);
	if (myName == null || myName.equals("") || myName.length() == 0)
	    return PROBLEM_FOUND;
	return NO_PROBLEM;
    }

    /**
     * @see org.argouml.cognitive.Poster#getClarifier()
     */
    public Icon getClarifier() {
	return ClClassName.getTheInstance();
    }

    /**
     * @see org.argouml.cognitive.critics.Critic#initWizard(org.argouml.kernel.Wizard)
     */
    public void initWizard(Wizard w) {
	if (w instanceof WizMEName) {
	    ToDoItem item = w.getToDoItem();
	    Object me = /*(MModelElement)*/ item.getOffenders().elementAt(0);
	    String ins = "Set the name of this class.";
	    String sug = "ClassName";
	    int count = 1;
	    if (ModelFacade.getNamespace(me) != null)
		count = ModelFacade
		    .getOwnedElements(ModelFacade.getNamespace(me)).size();
	    sug = ModelFacade.getUMLClassName(me) + (count + 1);
	    ((WizMEName) w).setInstructions(ins);
	    ((WizMEName) w).setSuggestion(sug);
	}
    }
    
    /**
     * @see org.argouml.cognitive.critics.Critic#getWizardClass(org.argouml.cognitive.ToDoItem)
     */
    public Class getWizardClass(ToDoItem item) { return WizMEName.class; }

} /* end class CrMissingClassName.java */