// $Id: WizManyNames.java,v 1.11 2004/09/18 17:13:23 mvw Exp $
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// software and its documentation without fee, and without a written
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// File: WizManyNames.java
// Classes: WizManyNames
// Original Author: jrobbins@ics.uci.edu
// $Id: WizManyNames.java,v 1.11 2004/09/18 17:13:23 mvw Exp $

package org.argouml.uml.cognitive.critics;

import java.util.Vector;
import javax.swing.JPanel;
import org.apache.log4j.Logger;

import org.argouml.cognitive.ui.WizStepManyTextFields;
import org.argouml.i18n.Translator;
import org.argouml.kernel.Wizard;
import org.argouml.model.ModelFacade;

/** A non-modal wizard to help the user change the name of a
 *  MModelElement to a better name. */

public class WizManyNames extends Wizard {
    private static final Logger LOG = Logger.getLogger(WizManyNames.class);
					      
    private String instructions =
	"Please change the name of the offending model element.";
    private String label = Translator.localize("UMLMenu", "label.name");
    private Vector mes = null;
							  
    private WizStepManyTextFields step1 = null;
							      
    /**
     * The constructor.
     * 
     */
    public WizManyNames() { }
								  
    /**
     * @see org.argouml.kernel.Wizard#getNumSteps()
     */
    public int getNumSteps() { return 1; }
								      
    /**
     * @param m the offenders
     */
    public void setMEs(Vector m) { mes = m; }
									  
    /**
     * @param s set the new instructions
     */
    public void setInstructions(String s) { instructions = s; }
									      
    /** 
     * Create a new panel for the given step.
     * 
     * @see org.argouml.kernel.Wizard#makePanel(int)
     */
    public JPanel makePanel(int newStep) {
	switch (newStep) {
	case 1:
	    if (step1 == null) {
		Vector names = new Vector();
		int size = mes.size();
		for (int i = 0; i < size; i++) {
		    Object me = /*(MModelElement)*/ mes.elementAt(i);
		    names.addElement(ModelFacade.getName(me));
		}
		step1 = new WizStepManyTextFields(this, instructions, names);
	    }
	    return step1;
	}
	return null;
    }

    /** 
     * Take action at the completion of a step. For example, when the
     * given step is 0, do nothing; and when the given step is 1, do
     * the first action.  Argo non-modal wizards should take action as
     * they do along, as soon as possible, they should not wait until
     * the final step.
     * 
     * @see org.argouml.kernel.Wizard#doAction(int)
     */
    public void doAction(int oldStep) {
	LOG.debug("doAction " + oldStep);
	switch (oldStep) {
	case 1:
	    Vector newNames = null;
	    if (step1 != null) newNames = step1.getStrings();
	    try {
		int size = mes.size();
		for (int i = 0; i < size; i++) {
		    Object me = /*(MModelElement)*/ mes.elementAt(i);
		    ModelFacade.setName(me, (String) newNames.elementAt(i));
		}
	    }
	    catch (Exception pve) {
		LOG.error("could not set name", pve);
	    }
	}
    }
} /* end class WizManyNames */