| /* GapContent.java -- |
| Copyright (C) 2002, 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., 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.text; |
| |
| import java.io.Serializable; |
| |
| // too lazy to make a real gapcontent. |
| // lets just use a stringbuffer instead. |
| import javax.swing.undo.UndoableEdit; |
| |
| public class GapContent |
| implements AbstractDocument.Content, Serializable |
| { |
| private static final long serialVersionUID = 8374645204155842629L; |
| |
| StringBuffer buf = new StringBuffer(); |
| |
| public GapContent() |
| { |
| this(10); |
| } |
| |
| public GapContent(int size) |
| { |
| buf.append("\n"); |
| } |
| |
| public Position createPosition(final int offset) throws BadLocationException |
| { |
| return new Position() |
| { |
| int off = offset; |
| |
| public int getOffset() |
| { |
| return off; |
| } |
| }; |
| } |
| |
| public int length() |
| { |
| return buf.length(); |
| } |
| |
| public UndoableEdit insertString(int where, String str) |
| throws BadLocationException |
| { |
| buf.insert(where, str); |
| return null; |
| } |
| |
| public UndoableEdit remove(int where, int nitems) |
| throws BadLocationException |
| { |
| buf.delete(where, where + nitems); |
| return null; |
| } |
| |
| public String getString(int where, int len) throws BadLocationException |
| { |
| return buf.substring(where, where+len); |
| } |
| |
| public void getChars(int where, int len, Segment txt) |
| throws BadLocationException |
| { |
| txt.array = new char[len]; |
| |
| System.arraycopy(buf.toString().toCharArray(), where, txt.array, 0, len); |
| |
| txt.count = len; |
| txt.offset = 0; |
| } |
| } |