Allow width and height tracking to be set.

git-svn-id: https://samskivert.googlecode.com/svn/trunk@924 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/src/java/com/samskivert/swing/ScrollablePanel.java

@@ -1,5 +1,5 @@
 //
-// $Id: ScrollablePanel.java,v 1.2 2002/02/28 16:31:11 mdb Exp $
+// $Id: ScrollablePanel.java,v 1.3 2002/11/12 05:52:03 mdb Exp $
 
 package com.samskivert.swing;
 
@@ -56,6 +56,24 @@ public class ScrollablePanel extends JPanel
     {
     }
 
+    /**
+     * Instructs this panel to not scroll in the horizontal direction but
+     * to set its viewport's horizontal size when it is sized.
+     */
+    public void setTracksViewportWidth (boolean tracksWidth)
+    {
+        _tracksWidth = tracksWidth;
+    }
+
+    /**
+     * Instructs this panel to not scroll in the vertical direction but to
+     * set its viewport's vertical size when it is sized.
+     */
+    public void setTracksViewportHeight (boolean tracksHeight)
+    {
+        _tracksHeight = tracksHeight;
+    }
+
     // documentation inherited from interface
     public Dimension getPreferredScrollableViewportSize ()
     {
@@ -119,15 +137,18 @@ public class ScrollablePanel extends JPanel
     // documentation inherited from interface
     public boolean getScrollableTracksViewportWidth ()
     {
-        return false;
+        return _tracksWidth;
     }
 
     // documentation inherited from interface
     public boolean getScrollableTracksViewportHeight ()
     {
-        return false;
+        return _tracksHeight;
     }
 
+    protected boolean _tracksWidth = false;
+    protected boolean _tracksHeight = false;
+
     /** The number of pixels to scroll if we can't find a component to
      * scroll into view or if we're scrolling horizontally. */
     protected static final int DEFAULT_SCROLL_AMOUNT = 10;