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

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Java | 94 lines | 55 code | 10 blank | 29 comment | 20 complexity | 31c77d07ab9c56ccce6d07bb5b00eed0 MD5 | raw file
 1/*
 2 * SettingsReloader.java - Utility class reloads macros and modes when necessary
 3 * :tabSize=8:indentSize=8:noTabs=false:
 4 * :folding=explicit:collapseFolds=1:
 5 *
 6 * Copyright (C) 2001, 2003 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;
24
25//{{{ Imports
26import java.io.File;
27import org.gjt.sp.jedit.io.VFS;
28import org.gjt.sp.jedit.io.VFSManager;
29import org.gjt.sp.jedit.msg.VFSUpdate;
30import org.gjt.sp.jedit.search.*;
31//}}}
32
33class SettingsReloader implements EBComponent
34{
35	//{{{ handleMessage() method
36	public void handleMessage(EBMessage msg)
37	{
38		if(msg instanceof VFSUpdate)
39		{
40			VFSUpdate vmsg = (VFSUpdate)msg;
41			maybeReload(vmsg.getPath());
42		}
43	} //}}}
44
45	//{{{ maybeReload() method
46	private void maybeReload(String path)
47	{
48		String jEditHome = jEdit.getJEditHome();
49		String settingsDirectory = jEdit.getSettingsDirectory();
50
51		if(!MiscUtilities.isURL(path))
52			path = MiscUtilities.resolveSymlinks(path);
53
54		// On Windows and MacOS, path names are case insensitive
55		if((VFSManager.getVFSForPath(path).getCapabilities()
56			& VFS.CASE_INSENSITIVE_CAP) != 0)
57		{
58			path = path.toLowerCase();
59			jEditHome = jEditHome.toLowerCase();
60			settingsDirectory = settingsDirectory.toLowerCase();
61		}
62
63		// XXX: does this really belong here?
64		SearchFileSet fileset = SearchAndReplace.getSearchFileSet();
65		if(fileset instanceof DirectoryListSet)
66		{
67			DirectoryListSet dirset = (DirectoryListSet)fileset;
68			String dir = MiscUtilities.resolveSymlinks(
69				dirset.getDirectory());
70			if(path.startsWith(dir))
71				dirset.invalidateCachedList();
72		}
73
74		if(jEditHome != null && path.startsWith(jEditHome))
75			path = path.substring(jEditHome.length());
76		else if(settingsDirectory != null && path.startsWith(settingsDirectory))
77			path = path.substring(settingsDirectory.length());
78		else
79		{
80			// not in settings directory or jEdit home directory.
81			// no need to reload anything.
82			return;
83		}
84
85		if(path.startsWith(File.separator) || path.startsWith("/"))
86			path = path.substring(1);
87
88		if(path.startsWith("macros"))
89			Macros.loadMacros();
90		else if(path.startsWith("modes") && (path.endsWith(".xml")
91			|| path.endsWith("catalog")))
92			jEdit.reloadModes();
93	} //}}}
94}