// $Id: GoalsDialog.java,v 1.9 2004/09/05 13:18:07 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.

package org.argouml.cognitive.ui;

import java.awt.Dimension;
import java.awt.Frame;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;

import javax.swing.BorderFactory;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JSlider;
import javax.swing.SwingConstants;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

import org.argouml.cognitive.Designer;
import org.argouml.cognitive.Goal;
import org.argouml.cognitive.GoalModel;
import org.argouml.i18n.Translator;
import org.argouml.ui.ArgoDialog;


/**
 * The dialog to set the user's goals.
 *
 */
public class GoalsDialog extends ArgoDialog implements ChangeListener
{
    ////////////////////////////////////////////////////////////////
    // constants
    private final int width = 320;
    private final int height = 400;
  
    ////////////////////////////////////////////////////////////////
    // instance variables
    private JPanel  mainPanel = new JPanel();
    private Hashtable slidersToDecisions = new Hashtable();
    private Hashtable slidersToDigits = new Hashtable();

    ////////////////////////////////////////////////////////////////
    // constructors

    /**
     * The constructor.
     * 
     * @param parent the parent frame
     */
    public GoalsDialog(Frame parent) {
	super(parent, Translator.localize("dialog.title.design-goals"), false);

	initMainPanel();

	JScrollPane scroll = new JScrollPane(mainPanel);
	scroll.setPreferredSize(new Dimension(width, height));
        
	setContent(scroll);
    }


    private void initMainPanel() {
	GoalModel gm = Designer.theDesigner().getGoalModel();
	Vector goals = gm.getGoals();

	GridBagLayout gb = new GridBagLayout();
	mainPanel.setLayout(gb);
	mainPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));

	GridBagConstraints c = new GridBagConstraints();
	c.fill = GridBagConstraints.BOTH;
	c.weightx = 1.0;
	c.weighty = 0.0;
	c.ipadx = 3; c.ipady = 3;


    
	//     c.gridy = 0;
	//     c.gridx = 0;
	//     JLabel priLabel = new JLabel("Priority:");
	//     gb.setConstraints(priLabel, c);
	//     _mainPanel.add(priLabel);

	//     c.gridy = 0;
	//     c.gridx = 1;
	//     JLabel offLabel = new JLabel("Off");
	//     gb.setConstraints(offLabel, c);
	//     _mainPanel.add(offLabel);

	//     c.gridy = 0;
	//     c.gridx = 2;
	//     JLabel lowLabel = new JLabel("Low");
	//     gb.setConstraints(lowLabel, c);
	//     _mainPanel.add(lowLabel);

	//     c.gridy = 0;
	//     c.gridx = 3;
	//     JLabel twoLabel = new JLabel("ad");
	//     gb.setConstraints(twoLabel, c);
	//     _mainPanel.add(twoLabel);

	//     c.gridy = 0;
	//     c.gridx = 4;
	//     JLabel threeLabel = new JLabel("asd");
	//     gb.setConstraints(threeLabel, c);
	//     _mainPanel.add(threeLabel);

	//     c.gridy = 0;
	//     c.gridx = 5;
	//     JLabel fourLabel = new JLabel("asd");
	//     gb.setConstraints(fourLabel, c);
	//     _mainPanel.add(fourLabel);

	//     c.gridy = 0;
	//     c.gridx = 6;
	//     JLabel highLabel = new JLabel("High");
	//     gb.setConstraints(highLabel, c);
	//     _mainPanel.add(highLabel);


	c.gridy = 1;
	Enumeration elems = goals.elements();
	while (elems.hasMoreElements()) {
	    Goal d = (Goal) elems.nextElement();
	    JLabel decLabel = new JLabel(d.getName());
	    JLabel valueLabel = new JLabel("    " + d.getPriority());
	    JSlider decSlide = new JSlider(SwingConstants.HORIZONTAL,
					   0, 5, d.getPriority());
	    decSlide.setPaintTicks(true);
	    decSlide.setPaintLabels(true);
	    decSlide.addChangeListener(this);
	    Dimension origSize = decSlide.getPreferredSize();
	    Dimension smallSize =
		new Dimension(origSize.width / 2, origSize.height);
	    decSlide.setSize(smallSize);
	    decSlide.setPreferredSize(smallSize);

	    slidersToDecisions.put(decSlide, d);
	    slidersToDigits.put(decSlide, valueLabel);

	    c.gridx = 0;
	    c.gridwidth = 1;
	    c.weightx = 0.0;
	    c.ipadx = 3;
	    gb.setConstraints(decLabel, c);
	    mainPanel.add(decLabel);

	    c.gridx = 1;
	    c.gridwidth = 1;
	    c.weightx = 0.0;
	    c.ipadx = 0;
	    gb.setConstraints(valueLabel, c);
	    mainPanel.add(valueLabel);

	    c.gridx = 2;
	    c.gridwidth = 6;
	    c.weightx = 1.0;
	    gb.setConstraints(decSlide, c);
	    mainPanel.add(decSlide);

	    c.gridy++;
	}
    }
  
    ////////////////////////////////////////////////////////////////
    // event handlers
  
    /**
     * @see javax.swing.event.ChangeListener#stateChanged(javax.swing.event.ChangeEvent)
     */
    public void stateChanged(ChangeEvent ce) {
	JSlider srcSlider = (JSlider) ce.getSource();
	Goal d = (Goal) slidersToDecisions.get(srcSlider);
	JLabel valLab = (JLabel) slidersToDigits.get(srcSlider);
	int pri = srcSlider.getValue();
	d.setPriority(pri);
	if (pri == 0) valLab.setText(Translator.localize("label.off"));
	else valLab.setText("    " + pri);
    }
  
} /* end class DesignIssuesDialog */



////////////////////////////////////////////////////////////////