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TModelComboBox.java

/*
*  Name:      TModelComboBox.java
*  Author:    Rafael Jesus Alcantara Perez
*  Summary:   Combo-box for model instances
*  Date:      $Date: 2003/10/06 12:45:11 $
*  Revision:  $Revision: 1.9 $
*
*  Copyright (C) 2003  Rafael Jesus Alcantara Perez <rafa@dedalo-ing.com>
*
*  This program is free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  This program is distributed in the hope that it will be useful,
*  but WITHOUT ANY WARRANTY; without even the implied warranty of
*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
*  GNU General Public License for more details.
*
*  You should have received a copy of the GNU General Public License
*  along with this program; if not, write to the Free Software
*  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
*  MA 02111-1307, USA.
*/

package org.mpcl.nui;

import java.util.Observable;
import java.util.Observer;
import javax.swing.JComboBox;


public class TModelComboBox extends JComboBox implements Observer
{

  private TAbstractModelToComboBoxAdapter   tModelToComboBoxAdapter;


  //
  //  C O N S T R U C T O R S
  //

  private void readFromModel()
  {
    int   iOldSelectedIndex = getSelectedIndex();
    int   iSize             = tModelToComboBoxAdapter.size();

    removeAllItems();
    for (int I = 0; ( I < iSize ) ;++I)
    {
      addItem (tModelToComboBoxAdapter.getText (I));
    }
    if ( iOldSelectedIndex >= 0 )
    {
      setSelectedIndex (Math.min (iSize - 1, iOldSelectedIndex));
    }
  }


  //
  //  C O N S T R U C T O R S
  //

  public TModelComboBox (TAbstractModelToComboBoxAdapter tMODEL_TO_COMBO_BOX_ADAPTER)
  {
    super();
    tModelToComboBoxAdapter = tMODEL_TO_COMBO_BOX_ADAPTER;
    tModelToComboBoxAdapter.addObserver (this);
    readFromModel();
  }

  public void setSelectedCode (Integer tCODE)
  {
    Integer   tCurrentCode;

    for (int I = 0; ( I < tModelToComboBoxAdapter.size() ) ;++I)
    {
      tCurrentCode = tModelToComboBoxAdapter.getCode (I);
      if ( ( tCODE == tCurrentCode ) || tCODE.equals (tCurrentCode) )
      {
        setSelectedIndex (I);
        break;
      }
    }
  }

  public void setSelectedCode (int iCODE)
  {
    setSelectedCode (new Integer (iCODE));
  }

  public void update (Observable tOBSERVABLE, Object tARGUMENT)
  {
    readFromModel();
  }


  //
  //  S E L E C T O R S
  //

  public Integer getSelectedCode()
  {
    return tModelToComboBoxAdapter.getCode (getSelectedIndex());
  }

}  // class TModelComboBox

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