1 files changed, 159 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/plaf/metal/MetalScrollPaneUI.java b/libjava/classpath/javax/swing/plaf/metal/MetalScrollPaneUI.java
new file mode 100644
index 000000000..09a47c300
--- /dev/null
+++ b/libjava/classpath/javax/swing/plaf/metal/MetalScrollPaneUI.java
@@ -0,0 +1,159 @@
+/* MetalScrollPaneUI.java
+   Copyright (C) 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 javax.swing.plaf.metal;
+
+import java.beans.PropertyChangeListener;
+
+import javax.swing.JComponent;
+import javax.swing.JScrollBar;
+import javax.swing.JScrollPane;
+import javax.swing.plaf.ComponentUI;
+import javax.swing.plaf.basic.BasicScrollPaneUI;
+
+/**
+ * A UI delegate for the {@link JScrollPane} component.
+ */
+public class MetalScrollPaneUI
+  extends BasicScrollPaneUI
+{
+  /**
+   * Constructs a new instance of <code>MetalScrollPaneUI</code>.
+   */
+  public MetalScrollPaneUI()
+  {
+    super();
+  }
+
+  /**
+   * Returns a shared instance of <code>MetalScrollPaneUI</code>.
+   *
+   * @param component the component for which we return an UI instance
+   *
+   * @return A shared instance of <code>MetalScrollPaneUI</code>.
+   */
+  public static ComponentUI createUI(JComponent component)
+  {
+    return new MetalScrollPaneUI();
+  }
+
+  /**
+   * Configures the specified component appropriate for the look and feel.
+   * This method is invoked when the ComponentUI instance is being installed
+   * as the UI delegate on the specified component. This method should
+   * completely configure the component for the look and feel,
+   * including the following:
+   * 1. Install any default property values for color, fonts, borders,
+   * icons, opacity, etc. on the component. Whenever possible, property
+   * values initialized by the client program should not be overridden.
+   * 2. Install a LayoutManager on the component if necessary.
+   * 3. Create/add any required sub-components to the component.
+   * 4. Create/install event listeners on the component.
+   * 5. Create/install a PropertyChangeListener on the component in order
+   * to detect and respond to component property changes appropriately.
+   * 6. Install keyboard UI (mnemonics, traversal, etc.) on the component.
+   * 7. Initialize any appropriate instance data.
+   *
+   * @param c - the component to install the ui on
+   */
+  public void installUI(JComponent c)
+  {
+    super.installUI(c);
+    JScrollBar hsb = scrollpane.getHorizontalScrollBar();
+    hsb.putClientProperty(MetalScrollBarUI.FREE_STANDING_PROP, Boolean.FALSE);
+    JScrollBar vsb = scrollpane.getVerticalScrollBar();
+    vsb.putClientProperty(MetalScrollBarUI.FREE_STANDING_PROP, Boolean.FALSE);
+  }
+
+  /**
+   * Reverses configuration which was done on the specified component
+   * during installUI. This method is invoked when this UIComponent
+   * instance is being removed as the UI delegate for the specified
+   * component. This method should undo the configuration performed in
+   * installUI, being careful to leave the JComponent instance in a
+   * clean state (no extraneous listeners, look-and-feel-specific property
+   *  objects, etc.). This should include the following:
+   *  1. Remove any UI-set borders from the component.
+   *  2. Remove any UI-set layout managers on the component.
+   *  3. Remove any UI-added sub-components from the component.
+   *  4. Remove any UI-added event/property listeners from the component.
+   *  5. Remove any UI-installed keyboard UI from the component.
+   *  6. Nullify any allocated instance data objects to allow for GC.
+   *
+   *  @param c - the component to uninstall the ui on
+   */
+  public void uninstallUI(JComponent c)
+  {
+    JScrollBar hsb = scrollpane.getHorizontalScrollBar();
+    hsb.putClientProperty(MetalScrollBarUI.FREE_STANDING_PROP, null);
+    JScrollBar vsb = scrollpane.getVerticalScrollBar();
+    vsb.putClientProperty(MetalScrollBarUI.FREE_STANDING_PROP, null);
+    super.uninstallUI(c);
+  }
+
+  /**
+   * Installs listeners on scrollPane
+   *
+   * @param scrollPane - the component to install the listeners on
+   */
+  public void installListeners(JScrollPane scrollPane)
+  {
+    super.installListeners(scrollPane);
+  }
+
+  /**
+   * Uninstalls listeners on scrollPane
+   *
+   * @param scrollPane - the component to uninstall the listeners on
+   */
+  public void uninstallListeners(JScrollPane scrollPane)
+  {
+    super.uninstallListeners(scrollPane);
+  }
+
+  /**
+   * TODO
+   *
+   * @return TODO
+   */
+  protected PropertyChangeListener createScrollBarSwapListener()
+  {
+    // FIXME: Anything else to do here?
+    return super.createPropertyChangeListener();
+  }
+}