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/jEdit/tags/jedit-4-3-pre5/org/gjt/sp/jedit/msg/EditPaneUpdate.java

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Java | 93 lines | 29 code | 13 blank | 51 comment | 2 complexity | 772d3df50020e74b8d9f2a14b7c3fd2b MD5 | raw file
 1/*
 2 * EditPaneUpdate.java - Edit pane update message
 3 * Copyright (C) 1999, 2000 Slava Pestov
 4 *
 5 * This program is free software; you can redistribute it and/or
 6 * modify it under the terms of the GNU General Public License
 7 * as published by the Free Software Foundation; either version 2
 8 * of the License, or any later version.
 9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
18 */
19
20package org.gjt.sp.jedit.msg;
21
22import org.gjt.sp.jedit.*;
23
24/**
25 * Message sent when an edit pane-related change occurs.
26 * @author Slava Pestov
27 * @version $Id: EditPaneUpdate.java 5518 2006-07-03 17:24:07Z ezust $
28 *
29 * @since jEdit 2.5pre1
30 */
31public class EditPaneUpdate extends EBMessage
32{
33	/**
34	 * Edit pane created.
35	 */
36	public static final Object CREATED = "CREATED";
37
38	/**
39	 * Edit pane destroyed.
40	 */
41	public static final Object DESTROYED = "DESTROYED";
42
43	/**
44	 * Edit pane buffer changed.
45	 */
46	public static final Object BUFFER_CHANGED = "BUFFER_CHANGED";
47
48	/**
49	 * Edit pane buffer about to change. Note: this could be an instance of BufferChanging class,
50	 * which also contains information about the new buffer that is about to be opened.
51	 * @since 4.3pre3
52	 */
53	public static final Object BUFFER_CHANGING = "BUFFER_CHANGING";
54	
55	/**
56	 * Creates a new edit pane update message.
57	 * @param editPane The edit pane
58	 * @param what What happened
59	 */
60	public EditPaneUpdate(EditPane editPane, Object what)
61	{
62		super(editPane);
63		if(what == null)
64			throw new NullPointerException("What must be non-null");
65
66		this.what = what;
67	}
68
69	/**
70	 * Returns what caused this edit pane update.
71	 */
72	public Object getWhat()
73	{
74		return what;
75	}
76
77	/**
78	 * Returns the edit pane involved.
79	 */
80	public EditPane getEditPane()
81	{
82		return (EditPane)getSource();
83	}
84
85	public String paramString()
86	{
87		return "what=" + what + "," + super.paramString();
88	}
89	
90	// private members
91	private Object what;
92
93}