--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/components/visual-panels/core/src/java/util/com/oracle/solaris/vp/util/swing/UnidirectionalScrollPane.java	Thu May 24 04:16:47 2012 -0400
@@ -0,0 +1,159 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved.
+ */
+
+package com.oracle.solaris.vp.util.swing;
+
+import java.awt.*;
+import javax.swing.*;
+
+@SuppressWarnings({"serial"})
+public class UnidirectionalScrollPane extends ExtScrollPane {
+    //
+    // Inner classes/enums
+    //
+
+    public enum Orientation {
+	HORIZONTAL, VERTICAL
+    }
+
+    protected static class ScrollablePanel extends JPanel
+	implements Scrollable {
+
+	//
+	// Instance data
+	//
+
+	private Orientation orientation;
+	private Component view;
+
+	//
+	// Constructors
+	//
+
+	public ScrollablePanel(Orientation orientation) {
+	    this.orientation = orientation;
+	    setLayout(new BorderLayout());
+	    setOpaque(false);
+	}
+
+	public ScrollablePanel(Orientation orientation, Component view) {
+	    this(orientation);
+	    setView(view);
+	}
+
+	//
+	// Scrollable methods
+	//
+
+	@Override
+	public Dimension getPreferredScrollableViewportSize() {
+	    return getPreferredSize();
+	}
+
+	@Override
+	public int getScrollableBlockIncrement(Rectangle visibleRect,
+	    int orientation, int direction) {
+	    if (view instanceof Scrollable) {
+		return ((Scrollable)view).getScrollableBlockIncrement(
+		    visibleRect, orientation, direction);
+	    }
+
+	    if (orientation == SwingConstants.VERTICAL) {
+		return visibleRect.height;
+	    }
+
+	    return visibleRect.width;
+	}
+
+	@Override
+	public boolean getScrollableTracksViewportHeight() {
+	    return orientation != Orientation.VERTICAL;
+	}
+
+	@Override
+	public boolean getScrollableTracksViewportWidth() {
+	    return orientation != Orientation.HORIZONTAL;
+	}
+
+	@Override
+	public int getScrollableUnitIncrement(Rectangle visibleRect,
+	    int orientation, int direction) {
+	    if (view instanceof Scrollable) {
+		return ((Scrollable)view).getScrollableUnitIncrement(
+		    visibleRect, orientation, direction);
+	    }
+	    return GUIUtil.getScrollableUnitIncrement();
+	}
+
+	//
+	// ScrollablePanel methods
+	//
+
+	public Component getView() {
+	    return view;
+	}
+
+	public void setView(Component view) {
+	    this.view = view;
+	    add(view, BorderLayout.CENTER);
+	}
+    }
+
+    //
+    // Instance data
+    //
+
+    private Orientation orientation;
+    private ScrollablePanel scrollablePanel;
+
+    //
+    // Constructors
+    //
+
+    public UnidirectionalScrollPane(Orientation orientation) {
+	this.orientation = orientation;
+	scrollablePanel = new ScrollablePanel(orientation);
+    }
+
+    public UnidirectionalScrollPane(Orientation orientation,
+	Component view) {
+	this(orientation);
+
+	// Stretch the view when the viewport is larger
+//	getViewport().setLayout(new SimpleViewportLayout(true));
+
+	setViewportView(view);
+    }
+
+    //
+    // JScollPane methods
+    //
+
+    @Override
+    public void setViewportView(Component view) {
+	scrollablePanel.setView(view);
+	super.setViewportView(scrollablePanel);
+    }
+}