/* * k5nCal - Java Swing Desktop Calendar App * Copyright (C) 2005-2007 Craig Knudsen, craig@k5n.us * * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */package us.k5n.k5ncal;import java.awt.Color;import java.util.Vector;import javax.swing.JList;/** * A simple class that represents a dual-state list item. Because any item that * supports toString() can be a JList item, this is pretty simple class. *  * @author Craig Knudsen, craig@k5n.us * @version $Id: ListItem.java,v 1.1 2007/12/19 21:16:00 cknudsen Exp $ */// TODO: add support for tooltips for each itempublic class ListItem {	/** nothing selected state */	public static final int STATE_OFF = 1;	/** positive match state */	public static final int STATE_YES = 2;	/** the current state of the item */	public int state;	Object o;	/** Vector of JList objects that this ListItem is a member of */	private Vector jlists = null;	Color background = null, foreground = null;	/**	 * Construct a ListItem for the specified DataFieldDescription	 * 	 * @param dfd	 *          The DataFieldDescription to represent as a ListItem	 */	public ListItem(Object o) {		this.o = o;		this.state = STATE_OFF;		setState ( STATE_OFF );		jlists = new Vector ();	}	/**	 * Cycle the item to its next state. This should be called each time the user	 * generates a mouse click on this item.	 */	public void nextState () {		switch ( state ) {			case STATE_OFF:				state = STATE_YES;				break;			case STATE_YES:				state = STATE_OFF;				break;		}		setState ( state );	}	/**	 * Set the current state of the ListItem	 * 	 * @param state	 *          The new state (STATE_YES or STATE_OFF)	 */	public void setState ( final int state ) {		this.state = state;	}	/**	 * Get the current state (STATE_YES or STATE_OFF)	 * 	 * @return the current state (STATE_YES or STATE_OFF)	 */	public int getState () {		return state;	}	/**	 * Get the String representation of this ListItem. This will be the name of	 * DataFieldDescription since JList uses the toString method to generate	 * labels for items in a JList.	 */	public String toString () {		return o.toString ();	}	public Object getObject () {		return o;	}	public Color getBackground () {		return background;	}	public void setBackground ( Color background ) {		this.background = background;	}	public Color getForeground () {		return foreground;	}	public void setForeground ( Color foreground ) {		this.foreground = foreground;	}	/**	 * Add a JList that this ListItem is a member of.	 * 	 * @param list	 *          The JList	 */	public void addJList ( JList list ) {		jlists.addElement ( list );	}	/**	 * Send a repaint request to all JList components that this ListItem is a	 * member of.	 */	public void repaintLists () {		for ( int i = 0; i < jlists.size (); i++ ) {			JList list = (JList) jlists.elementAt ( i );			list.repaint ();		}	}}