1 files changed, 141 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/ComponentInputMap.java b/libjava/classpath/javax/swing/ComponentInputMap.java
new file mode 100644
index 000000000..dc4d0bfd4
--- /dev/null
+++ b/libjava/classpath/javax/swing/ComponentInputMap.java
@@ -0,0 +1,141 @@
+/* ComponentInputMap.java --
+   Copyright (C) 2002, 2004  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 javax.swing;
+
+
+/**
+ * An {@link InputMap} that is associated with a particular {@link JComponent}.
+ * The component is notified when its <code>ComponentInputMap</code> changes.
+ *
+ * @author Andrew Selkirk
+ * @author Michael Koch
+ */
+public class ComponentInputMap extends InputMap
+{
+  /**
+   * The component to notify.
+   */
+  private JComponent component;
+
+  /**
+   * Creates <code>ComponentInputMap</code> object that notifies the given
+   * component about changes to it.
+   *
+   * @param comp the component to notify
+   *
+   * @exception IllegalArgumentException if comp is null
+   */
+  public ComponentInputMap(JComponent comp)
+  {
+    if (comp == null)
+      throw new IllegalArgumentException();
+
+    this.component = comp;
+  }
+
+  /**
+   * Puts a new entry into the <code>InputMap</code>.
+   * If actionMapKey is null an existing entry will be removed.
+   *
+   * @param keystroke the keystroke for the entry
+   * @param value the action.
+   */
+  public void put(KeyStroke keystroke, Object value)
+  {
+    super.put(keystroke, value);
+    if (component != null)
+      component.updateComponentInputMap(this);
+  }
+
+  /**
+   * Clears the <code>InputMap</code>.
+   */
+  public void clear()
+  {
+    super.clear();
+    if (component != null)
+      component.updateComponentInputMap(this);
+  }
+
+  /**
+   * Remove an entry from the <code>InputMap</code>.
+   *
+   * @param keystroke the key of the entry to remove
+   */
+  public void remove(KeyStroke keystroke)
+  {
+    super.remove(keystroke);
+    if (component != null)
+      component.updateComponentInputMap(this);
+  }
+
+  /**
+   * Sets a parent for this <code>ComponentInputMap</code>.
+   *
+   * @param parentMap the new parent
+   *
+   * @exception IllegalArgumentException if parentMap is not a
+   * <code>ComponentInputMap</code> or not associated with the same component
+   */
+  public void setParent(InputMap parentMap)
+  {
+    if (parentMap != null && !(parentMap instanceof ComponentInputMap))
+      throw new IllegalArgumentException("ComponentInputMaps can only have " +
+                                         "ComponentInputMaps for parents");
+
+    if (parentMap != null &&
+        ((ComponentInputMap) parentMap).getComponent() != component)
+      throw new
+        IllegalArgumentException("ComponentInputMaps' parents must " +
+                                 "be associated with the same JComponents");
+
+    super.setParent(parentMap);
+    if (component != null)
+      component.updateComponentInputMap(this);
+  }
+
+  /**
+   * Returns the component to notify about changes.
+   *
+   * @return a <code>JComponent</code> object
+   */
+  public JComponent getComponent()
+  {
+    return component;
+  }
+}