kio Library API Documentation

krecentdirs.cpp

00001 /* -*- c++ -*- 00002 * Copyright (C)2000 Waldo Bastian <bastian@kde.org> 00003 * 00004 * All rights reserved. 00005 * 00006 * Redistribution and use in source and binary forms, with or without 00007 * modification, are permitted provided that the following conditions 00008 * are met: 00009 * 1. Redistributions of source code must retain the above copyright 00010 * notice, this list of conditions and the following disclaimer. 00011 * 2. Redistributions in binary form must reproduce the above copyright 00012 * notice, this list of conditions and the following disclaimer in the 00013 * documentation and/or other materials provided with the distribution. 00014 * 00015 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 00016 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00017 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00018 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00019 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00020 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00021 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00022 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00023 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00024 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00025 * SUCH DAMAGE. 00026 * 00027 */ 00028 #include <krecentdirs.h> 00029 #include <ksimpleconfig.h> 00030 #include <kstandarddirs.h> 00031 #include <kglobalsettings.h> 00032 00033 #define MAX_DIR_HISTORY 3 00034 00035 static void recentdirs_done(KConfig *config) 00036 { 00037 if (config == KGlobal::config()) 00038 { 00039 config->sync(); 00040 } 00041 else 00042 { 00043 delete config; 00044 } 00045 } 00046 00047 static KConfig *recentdirs_readList(QString &key, QStringList &result, bool readOnly) 00048 { 00049 KConfig *config; 00050 if ((key.length() < 2) || (key[0] != ':')) 00051 key = ":default"; 00052 if (key[1] == ':') 00053 { 00054 key = key.mid(2); 00055 config = new KSimpleConfig(QString::fromLatin1("krecentdirsrc"), readOnly); 00056 } 00057 else 00058 { 00059 key = key.mid(1); 00060 config = KGlobal::config(); 00061 config->setGroup(QString::fromLatin1("Recent Dirs")); 00062 } 00063 00064 result=config->readPathListEntry(key); 00065 if (result.isEmpty()) 00066 { 00067 result.append(KGlobalSettings::documentPath()); 00068 } 00069 return config; 00070 } 00071 00072 QStringList KRecentDirs::list(const QString &fileClass) 00073 { 00074 QString key = fileClass; 00075 QStringList result; 00076 recentdirs_done(recentdirs_readList(key, result, true)); 00077 return result; 00078 } 00079 00080 QString KRecentDirs::dir(const QString &fileClass) 00081 { 00082 QStringList result = list(fileClass); 00083 return result[0]; 00084 } 00085 00086 void KRecentDirs::add(const QString &fileClass, const QString &directory) 00087 { 00088 QString key = fileClass; 00089 QStringList result; 00090 KConfig *config = recentdirs_readList(key, result, false); 00091 // make sure the dir is first in history 00092 result.remove(directory); 00093 result.prepend(directory); 00094 while(result.count() > MAX_DIR_HISTORY) 00095 result.remove(result.fromLast()); 00096 config->writePathEntry(key, result); 00097 recentdirs_done(config); 00098 } 00099
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This file is part of the documentation for kio Library Version 3.2.3.
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