list.java

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/*
 *  MicroEmulator
 *  Copyright (C) 2001 Bartek Teodorczyk <[e-mail]>
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Contributor(s):
 *    3GLab
 */
 
package javax.microedition.lcdui;


public class List extends Screen implements Choice
{

  public static final Command SELECT_COMMAND = new Command("", Command.SCREEN, 0);
  
  ChoiceGroup choiceGroup;
  
  
  public List(String title, int listType)
  {
  	super(title);
  	
		choiceGroup = new ChoiceGroup(null, listType);
		choiceGroup.setOwner(this);
		choiceGroup.setFocus(true);
  }
  
  
	public List(String title, int listType, String[] stringElements, Image[] imageElements)
	{
    super(title);
    
    choiceGroup = new ChoiceGroup(null, listType, stringElements, imageElements);
    choiceGroup.setOwner(this);
		choiceGroup.setFocus(true);
	}
						

  public int append(String stringPart, Image imagePart) 
  {
    return choiceGroup.append(stringPart, imagePart);
  }
    

  public void delete(int elementNum) 
  {
    choiceGroup.delete(elementNum);
  }
    

  public Image getImage(int elementNum) 
  {
    return choiceGroup.getImage(elementNum);
  }
    

  public int getSelectedFlags(boolean[] selectedArray_return) 
  {
    return choiceGroup.getSelectedFlags(selectedArray_return);
  }
    

  public int getSelectedIndex() 
  {
    return choiceGroup.getSelectedIndex();
  }
    
  
  public String getString(int elementNum) 
  {
    return choiceGroup.getString(elementNum);
  }
    
  
  public void insert(int elementNum, String stringPart, Image imagePart) 
  {
    choiceGroup.insert(elementNum, stringPart, imagePart);
  }
    
  
  public boolean isSelected(int elementNum) 
  {
    return choiceGroup.isSelected(elementNum);
  }
    
  
  public void set(int elementNum, String stringPart, Image imagePart) {
    choiceGroup.set(elementNum, stringPart, imagePart);    
  }
    
  
  public void setSelectedFlags(boolean[] selectedArray) 
  {
    choiceGroup.setSelectedFlags(selectedArray);    
  }
    
  
  public void setSelectedIndex(int elementNum, boolean selected) 
  {
    choiceGroup.setSelectedIndex(elementNum, selected);    
  }
    
  
  void keyPressed(int keyCode)
  {
    if(Display.getGameAction(keyCode) == Canvas.FIRE 
        && choiceGroup.select() && super.listener != null
        && choiceGroup.choiceType == Choice.IMPLICIT) {
      super.listener.commandAction(SELECT_COMMAND, this);
    } else {
      super.keyPressed(keyCode);
    }
  }

  
  int paintContent(Graphics g)
  {
    return choiceGroup.paint(g);
  }
  
  
  public int size() 
  {
    return choiceGroup.size();
  }

  
  int traverse(int gameKeyCode, int top, int bottom)
  {
		int traverse = choiceGroup.traverse(gameKeyCode, top, bottom, true);
		if (traverse == Item.OUTOFITEM) {
			return 0;
		} else {
	    return traverse;
		}
  }
  
}