Added centerComponent().

git-svn-id: https://samskivert.googlecode.com/svn/trunk@737 6335cc39-0255-0410-8fd6-9bcaacd3b74c

projects/samskivert/src/java/com/samskivert/swing/util/SwingUtil.java

@@ -1,5 +1,5 @@
 //
-// $Id: SwingUtil.java,v 1.6 2002/03/26 19:32:16 mdb Exp $
+// $Id: SwingUtil.java,v 1.7 2002/05/13 17:40:15 shaper Exp $
 //
 // samskivert library - useful routines for java programs
 // Copyright (C) 2001 Michael Bayne
@@ -41,6 +41,16 @@ public class SwingUtil
                          width, height);
     }
 
+    /**
+     * Centers component <code>b</code> within component <code>a</code>.
+     */
+    public static void centerComponent (Component a, Component b)
+    {
+        Dimension asize = a.getSize(), bsize = b.getSize();
+        b.setLocation((asize.width - bsize.width) / 2,
+                      (asize.height - bsize.height) / 2);
+    }
+
     /**
      * Draw a string centered within a rectangle.  The string is drawn
      * using the graphics context's current font and color.