?? listitem.java
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/* * 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 (); } }}
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