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1 files changed, 155 insertions, 0 deletions

diff --git a/libjava/classpath/java/awt/event/ItemEvent.java b/libjava/classpath/java/awt/event/ItemEvent.java
new file mode 100644
index 000000000..467815b16
--- /dev/null
+++ b/libjava/classpath/java/awt/event/ItemEvent.java
@@ -0,0 +1,155 @@
+/* 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