code: //==============================================================================
  //	
  //	Copyright (c) 2002-
  //	Authors:
  //	* Andrew Hinton <ug60axh@cs.bham.ac.uk> (University of Birmingham)
  //	
  //------------------------------------------------------------------------------
  //	
  //	This file is part of PRISM.
  //	
  //	PRISM 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.
  //	
  //	PRISM 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 PRISM; if not, write to the Free Software Foundation,
  //	Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  //	
  //==============================================================================
  
  package settings;
  
  import java.util.*;
  
  /**
   * DefaultSettingOwners do not have a class and therefore can not be multiple
   */
  public class DefaultSettingOwner extends Observable implements SettingOwner
  {
  	private String name;
  	private int id;
  	private SettingDisplay display;
  	private ArrayList<Setting> settings;
  
  	/** Creates a new instance of DefaultSettingOwner */
  	public DefaultSettingOwner(String name, int id)
  	{
  		this.name = name;
  		this.id = id;
  		display = null;
  		settings = new ArrayList<Setting>();
  	}
  
  	public int compareTo(Object o)
  	{
  		if (o instanceof SettingOwner) {
  			SettingOwner po = (SettingOwner) o;
  			if (getSettingOwnerID() < po.getSettingOwnerID())
  				return -1;
  			else if (getSettingOwnerID() > po.getSettingOwnerID())
  				return 1;
  			else
  				return 0;
  		} else
  			return 0;
  	}
  
  	public SettingDisplay getDisplay()
  	{
  		return display;
  	}
  
  	public int getNumSettings()
  	{
  		return settings.size();
  	}
  
  	public Setting getSetting(int index)
  	{
  		return settings.get(index);
  	}
  
  	public String getSettingOwnerClassName()
  	{
  		return "";
  	}
  
  	public int getSettingOwnerID()
  	{
  		return id;
  	}
  
  	public String getSettingOwnerName()
  	{
  		return name;
  	}
  
  	public void notifySettingChanged(Setting setting)
  	{
  		setChanged();
  		notifyObservers(setting);
  	}
  
  	public void setDisplay(SettingDisplay display)
  	{
  		this.display = display;
  	}
  
  	public void addSetting(Setting s)
  	{
  		settings.add(s);
  	}
  
  	public Setting getFromKey(String key)
  	{
  		for (int i = 0; i < getNumSettings(); i++) {
  			if (getSetting(i).equals(key))
  				return getSetting(i);
  		}
  		return null;
  	}
  }
  