2005-01-24 Graydon Hoare <graydon@redhat.com>

	    Michael Koch  <konqueror@gmx.de>

	* javax/swing/LayoutFocusTraversalPolicy.java,
	javax/swing/SortingFocusTraversalPolicy.java:
	New classes.

1 files changed, 87 insertions, 0 deletions

diff --git a/javax/swing/LayoutFocusTraversalPolicy.java b/javax/swing/LayoutFocusTraversalPolicy.java
new file mode 100644
index 000000000..ab47a3c9f
--- /dev/null
+++ b/javax/swing/LayoutFocusTraversalPolicy.java
@@ -0,0 +1,87 @@
+/* LayoutFocusTraversalPolicy.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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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;
+
+import java.awt.Component;
+import java.io.Serializable;
+import java.util.Comparator;
+
+/**
+ * @author Graydon Hoare
+ * @author Michael Koch
+ * 
+ * @since 1.4
+ */
+public class LayoutFocusTraversalPolicy 
+  extends SortingFocusTraversalPolicy
+  implements Serializable
+{
+  private static class LayoutComparator
+    implements Comparator
+  {
+    public LayoutComparator()
+    {
+      // Do nothing here.
+    }
+    
+    public int compare(Object o1, Object o2)
+    {
+      Component comp1 = (Component) o1;
+      Component comp2 = (Component) o2;
+
+      int x1 = comp1.getX();
+      int y1 = comp1.getY();
+      int x2 = comp2.getX();
+      int y2 = comp2.getY();
+      
+      if (x1 == x2 && y1 == y2)
+	return 0;
+      
+      if ((y1 < y2) || ((y1 == y2) && (x1 < x2)))
+	return -1;
+
+      return 1;
+    }
+  }
+  
+  public LayoutFocusTraversalPolicy()
+  {
+    super(new LayoutComparator());
+  }
+}