// $Id: ChoiceId.java 3865 2012-10-16 14:21:29Z fabien $

import java.awt.*;
import java.util.*;
import java.sql.*;

/** a AWT Choice with an added integer id.
 * an additionnal list is maintained to store this information.
 * all operations are performed on both data structures.
 * @author Fabien Coelho <fabien@coelho.net>
 */
public class ChoiceId
  extends Choice
{
  // added ATTRIBUTE
  // keep track of item numbers here
  private java.util.List<Integer> ids;

  // CONSTRUCTORS
  /** build an empty ChoiceId. */
  public ChoiceId()
  {
    super();
    ids = new ArrayList<Integer>(); // indexed accesses are expected
  }

  /** build a ChoiceId from an sql query.
   * @param r result set to build from
   * @throws SQLException on sql errors (e.g. bad column type)
   * the result set shoud provide 2 columns:
   * the first one is used as the integer id, 
   * the second as the string item.
   */
  public ChoiceId(ResultSet r) throws SQLException
  {
    this();

	// À compléter exploitation du "ResultSet" pour construire le "ChoiceId"
	// - le "ResultSet" à deux colonnes (attributs) :
	//   1. entier
	//   2. texte
	// - on appelle addItemId avec chaque élément 
	//   en précisant son texte et son numéro
  }

  // NEW METHODS
  public void addItemId(String item, int id)
  {
    super.addItem(item);
    ids.add(new Integer(id));
  }

  public int getSelectedId()
  {
    return ((Integer) ids.get(super.getSelectedIndex())).intValue();
  }

  // INHERITED METHODS are redefined
  public void insert(String item, int index)
  {
    super.insert(item, index);
    ids.add(index, new Integer(-1));
  }

  public void add(String item)
  {
    this.addItemId(item, -1);
  }

  public void addItem(String item)
  {
    this.addItemId(item, -1);
  }

  public void remove(int position)
  {
    super.remove(position);
    ids.remove(position);
  }

  public void remove(String item)
  {
    for (int i=0; i<ids.size(); i++)
    {
      if (item.equals(getItem(i)))
      {
	remove(i);
	return; // done
      }
    }
  }

  public void removeAll()
  {
    super.removeAll();
    ids.clear();
  }
}