1 files changed, 98 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/text/NavigationFilter.java b/libjava/classpath/javax/swing/text/NavigationFilter.java
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+++ b/libjava/classpath/javax/swing/text/NavigationFilter.java
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+/* NavigationFilter.java --
+   Copyright (C) 2003, 2004 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.text;
+
+public class NavigationFilter
+{
+  public abstract static class FilterBypass
+  {
+    public FilterBypass()
+    {
+      // Do nothing here.
+    }
+
+    public abstract Caret getCaret();
+    public abstract void moveDot(int dot, Position.Bias bias);
+    public abstract void setDot(int dot, Position.Bias bias);
+  }
+
+  public NavigationFilter()
+  {
+    // Do nothing here.
+  }
+
+  public void moveDot(NavigationFilter.FilterBypass fb, int dot,
+                      Position.Bias bias)
+  {
+    fb.moveDot(dot, bias);
+  }
+
+  public void setDot(NavigationFilter.FilterBypass fb, int dot,
+                     Position.Bias bias)
+  {
+    fb.setDot(dot, bias);
+  }
+
+  /**
+   * Returns the next visual position in the specified direction at which one
+   * would place a caret. The default implementation forwards to the text
+   * component's root view. Subclasses may wish to restrict that more.
+   *
+   * @param c the text component
+   * @param pos the current model position
+   * @param bias the bias of <code>pos</code>
+   * @param dir the direction, one of {@link javax.swing.SwingConstants#NORTH},
+   *        {@link javax.swing.SwingConstants#SOUTH},
+   *        {@link javax.swing.SwingConstants#WEST} or
+   *        {@link javax.swing.SwingConstants#EAST}
+   * @param retBias the bias of the returned position
+   *
+   * @return the next model location to place the caret
+   *
+   * @throws BadLocationException when <code>pos</code> is not a valid model
+   *         position
+   */
+  public int getNextVisualPositionFrom(JTextComponent c, int pos,
+                                       Position.Bias bias, int dir,
+                                       Position.Bias[] retBias)
+    throws BadLocationException
+  {
+    return c.getUI().getNextVisualPositionFrom(c, pos, bias, dir, retBias);
+  }
+}