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-/* ItemEvent.java -- event for item state changes
- Copyright (C) 1999, 2002, 2005 Free Software Foundation, Inc.
-
-This file is part of GNU Classpath.
-
-GNU Classpath 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, or (at your option)
-any later version.
-
-GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
-Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301 USA.
-
-Linking this library statically or dynamically with other modules is
-making a combined work based on this library. Thus, the terms and
-conditions of the GNU General Public License cover the whole
-combination.
-
-As a special exception, the copyright holders of this library give you
-permission to link this library with independent modules to produce an
-executable, regardless of the license terms of these independent
-modules, and to copy and distribute the resulting executable under
-terms of your choice, provided that you also meet, for each linked
-independent module, the terms and conditions of the license of that
-module. An independent module is a module which is not derived from
-or based on this library. If you modify this library, you may extend
-this exception to your version of the library, but you are not
-obligated to do so. If you do not wish to do so, delete this
-exception statement from your version. */
-
-
-package java.awt.event;
-
-import java.awt.AWTEvent;
-import java.awt.ItemSelectable;
-
-/**
- * This event is generated when a selection item changes state. This is an
- * abstraction that distills a large number of individual mouse or keyboard
- * events into a simpler "item selected" and "item deselected" events.
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- * @see ItemSelectable
- * @see ItemListener
- * @since 1.1
- * @status updated to 1.4
- */
-public class ItemEvent extends AWTEvent
-{
- /**
- * Compatible with JDK 1.1+.
- */
- private static final long serialVersionUID = -608708132447206933L;
-
- /** This is the first id in the event id range used by this class. */
- public static final int ITEM_FIRST = 701;
-
- /** This is the last id in the event id range used by this class. */
- public static final int ITEM_LAST = 701;
-
- /** This event id indicates a state change occurred. */
- public static final int ITEM_STATE_CHANGED = 701;
-
- /** This type indicates that the item was selected. */
- public static final int SELECTED = 1;
-
- /** This type indicates that the item was deselected. */
- public static final int DESELECTED = 2;
-
- /**
- * The item affected by this event.
- *
- * @serial the item of the selection
- */
- private final Object item;
-
- /**
- * The state change direction, one of {@link #SELECTED} or
- * {@link #DESELECTED}.
- *
- * @serial the selection state
- */
- private final int stateChange;
-
- /**
- * Initializes a new instance of <code>ItemEvent</code> with the specified
- * source, id, and state change constant. Note that an invalid id leads to
- * unspecified results.
- *
- * @param source the source of the event
- * @param id the event id
- * @param item the item affected by the state change
- * @param stateChange one of {@link #SELECTED} or {@link #DESELECTED}
- */
- public ItemEvent(ItemSelectable source, int id, Object item, int stateChange)
- {
- super(source, id);
- this.item = item;
- this.stateChange = stateChange;
- }
-
- /**
- * This method returns the event source as an <code>ItemSelectable</code>.
- *
- * @return the event source as an <code>ItemSelected</code>
- * @throws ClassCastException if source is changed to a non-ItemSelectable
- */
- public ItemSelectable getItemSelectable()
- {
- return (ItemSelectable) source;
- }
-
- /**
- * Returns the item affected by this state change.
- *
- * @return the item affected by this state change
- */
- public Object getItem()
- {
- return item;
- }
-
- /**
- * Returns the type of state change, either {@link #SELECTED} or
- * {@link #DESELECTED}.
- *
- * @return the type of state change
- */
- public int getStateChange()
- {
- return stateChange;
- }
-
- /**
- * Returns a string identifying this event. This is in the format:
- * <code>"ITEM_STATE_CHANGED,item=" + item + ",stateChange="
- * + (getStateChange() == DESELECTED ? "DESELECTED" : "SELECTED")</code>.
- *
- * @return a string identifying this event
- */
- public String paramString()
- {
- return (id == ITEM_STATE_CHANGED ? "ITEM_STATE_CHANGED,item="
- : "unknown type,item=") + item + ",stateChange="
- + (stateChange == SELECTED ? "SELECTED"
- : stateChange == DESELECTED ? "DESELECTED" : "unknown type");
- }
-} // class ItemEvent
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