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/jEdit/tags/jedit-4-3-pre5/org/gjt/sp/jedit/buffer/BufferAdapter.java

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Java | 124 lines | 16 code | 8 blank | 100 comment | 0 complexity | bdd5e8c74a920b550ecfcfb62dc92173 MD5 | raw file
  1/*
  2 * BufferAdapter.java - Buffer listener adapter
  3 * :tabSize=8:indentSize=8:noTabs=false:
  4 * :folding=explicit:collapseFolds=1:
  5 *
  6 * Copyright (C) 2001, 2005 Slava Pestov
  7 *
  8 * This program is free software; you can redistribute it and/or
  9 * modify it under the terms of the GNU General Public License
 10 * as published by the Free Software Foundation; either version 2
 11 * of the License, or any later version.
 12 *
 13 * This program is distributed in the hope that it will be useful,
 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 16 * GNU General Public License for more details.
 17 *
 18 * You should have received a copy of the GNU General Public License
 19 * along with this program; if not, write to the Free Software
 20 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 21 */
 22
 23package org.gjt.sp.jedit.buffer;
 24
 25/**
 26 * An adapter you can subclass to avoid having to implement all the methods
 27 * of the {@link BufferListener} interface.
 28 * @author Slava Pestov
 29 * @version $Id: BufferAdapter.java 5339 2006-01-25 23:12:07Z spestov $
 30 * @since jEdit 4.3pre3
 31 */
 32public abstract class BufferAdapter implements BufferListener
 33{
 34	//{{{ foldLevelChanged() method
 35	/**
 36	 * Called when line fold levels change.
 37	 * @param buffer The buffer in question
 38	 * @param start The start line number
 39	 * @param end The end line number
 40	 * @since jEdit 4.3pre3
 41	 */
 42	public void foldLevelChanged(JEditBuffer buffer, int start, int end)
 43	{
 44	} //}}}
 45
 46	//{{{ contentInserted() method
 47	/**
 48	 * Called when text is inserted into the buffer.
 49	 * @param buffer The buffer in question
 50	 * @param startLine The first line
 51	 * @param offset The start offset, from the beginning of the buffer
 52	 * @param numLines The number of lines inserted
 53	 * @param length The number of characters inserted
 54	 * @since jEdit 4.3pre3
 55	 */
 56	public void contentInserted(JEditBuffer buffer, int startLine, int offset,
 57		int numLines, int length) {}
 58	//}}}
 59
 60	//{{{ preContentRemoved() method
 61	/**
 62	 * Called when text is about to be removed from the buffer, but is
 63	 * still present.
 64	 * @param buffer The buffer in question
 65	 * @param startLine The first line
 66	 * @param offset The start offset, from the beginning of the buffer
 67	 * @param numLines The number of lines to be removed
 68	 * @param length The number of characters to be removed
 69	 * @since jEdit 4.3pre3
 70	 */
 71	public void preContentRemoved(JEditBuffer buffer, int startLine, int offset,
 72		int numLines, int length) {}
 73	//}}}
 74
 75	//{{{ contentRemoved() method
 76	/**
 77	 * Called when text is removed from the buffer.
 78	 * @param buffer The buffer in question
 79	 * @param startLine The first line
 80	 * @param offset The start offset, from the beginning of the buffer
 81	 * @param numLines The number of lines removed
 82	 * @param length The number of characters removed
 83	 * @since jEdit 4.3pre3
 84	 */
 85	public void contentRemoved(JEditBuffer buffer, int startLine, int offset,
 86		int numLines, int length) {}
 87	//}}}
 88
 89	//{{{ transactionComplete() method
 90	/**
 91	 * Called after an undo or compound edit has finished. The text area
 92	 * uses this event to queue up and collapse cleanup operations so they
 93	 * are only run once during a long transaction (such as a "Replace All"
 94	 * operation.)
 95	 *
 96	 * @param buffer The buffer in question
 97	 * @since jEdit 4.3pre3
 98	 */
 99	public void transactionComplete(JEditBuffer buffer) {}
100	//}}}
101
102	//{{{ foldHandlerChanged() method
103	/**
104	 * Called to notify the text area that folds need to be collapsed if
105	 * the "collapseFolds" property is set. This method is called after the
106	 * buffer has been loaded, and also if the user changes the fold
107	 * handler.
108	 *
109	 * @param buffer The buffer in question
110	 * @since jEdit 4.3pre3
111	 */
112	public void foldHandlerChanged(JEditBuffer buffer) {}
113	//}}}
114
115	//{{{ foldHandlerChanged() method
116	/**
117	 * Called to notify the text area that the buffer has been reloaded.
118	 *
119	 * @param buffer The buffer in question
120	 * @since jEdit 4.3pre3
121	 */
122	public void bufferLoaded(JEditBuffer buffer) {}
123	//}}}
124}