| /* 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); |
| } |
| } |