import javax.swing.*;
import javax.swing.event.*;

import java.util.*;

class TemperatureModel
 extends DefaultBoundedRangeModel
 implements ComboBoxModel
{
  protected Vector listeners = new Vector();
  protected Vector data = new Vector();

  protected int selectedIndex = -1;

  public void setValue(int value)
  {
    super.setValue(value);

    ListDataEvent e = new ListDataEvent(this,ListDataEvent.CONTENTS_CHANGED,getMinimum(),getMaximum());
    for (int i=0; i<listeners.size(); i++)
    {
      ListDataListener l = (ListDataListener) listeners.elementAt(i);
      l.contentsChanged(e);
    }
  }
  
  public int getSize()
  {
    return(super.getMaximum() - super.getMinimum() + 1);
  }
  
  public Object getElementAt(int index)
  {
    return(new Integer(super.getMinimum() + index));
  }
  
  public void addListDataListener(ListDataListener l)
  {
    listeners.addElement(l);
  }

  public void removeListDataListener(ListDataListener l)
  {
    listeners.removeElement(l);
  }
  
  public Object getSelectedItem()
  {
    return(new Integer(super.getValue()));
  }

  public void setSelectedItem(Object anItem)
  {
    Integer i = (Integer) anItem;
    super.setValue(i.intValue());
  }
}