resourcelocal.cpp
00001 /* 00002 This file is part of libkcal. 00003 00004 Copyright (c) 1998 Preston Brown <pbrown@kde.org> 00005 Copyright (c) 2001,2003 Cornelius Schumacher <schumacher@kde.org> 00006 00007 This library is free software; you can redistribute it and/or 00008 modify it under the terms of the GNU Library General Public 00009 License as published by the Free Software Foundation; either 00010 version 2 of the License, or (at your option) any later version. 00011 00012 This library is distributed in the hope that it will be useful, 00013 but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 Library General Public License for more details. 00016 00017 You should have received a copy of the GNU Library General Public License 00018 along with this library; see the file COPYING.LIB. If not, write to 00019 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00020 Boston, MA 02110-1301, USA. 00021 */ 00022 00023 #include <typeinfo> 00024 #include <stdlib.h> 00025 00026 #include <tqdatetime.h> 00027 #include <tqstring.h> 00028 #include <tqptrlist.h> 00029 00030 #include <kdebug.h> 00031 #include <tdelocale.h> 00032 #include <kurl.h> 00033 #include <kstandarddirs.h> 00034 00035 #include "vcaldrag.h" 00036 #include "vcalformat.h" 00037 #include "icalformat.h" 00038 #include "exceptions.h" 00039 #include "incidence.h" 00040 #include "event.h" 00041 #include "todo.h" 00042 #include "journal.h" 00043 #include "filestorage.h" 00044 00045 #include <tderesources/configwidget.h> 00046 00047 #include "resourcelocalconfig.h" 00048 00049 #include "resourcelocal.h" 00050 00051 using namespace KCal; 00052 00053 class ResourceLocal::Private 00054 { 00055 public: 00056 TQDateTime mLastModified; 00057 }; 00058 00059 ResourceLocal::ResourceLocal( const TDEConfig* config ) 00060 : ResourceCached( config ), mLock( 0 ) 00061 { 00062 if ( config ) { 00063 TQString url = config->readPathEntry( "CalendarURL" ); 00064 mURL = KURL( url ); 00065 00066 TQString format = config->readEntry( "Format" ); 00067 if ( format == "ical" ) 00068 mFormat = new ICalFormat(); 00069 else if ( format == "vcal" ) 00070 mFormat = new VCalFormat(); 00071 else { 00072 mFormat = new ICalFormat(); 00073 } 00074 } else { 00075 mURL = KURL(); 00076 mFormat = new ICalFormat(); 00077 } 00078 init(); 00079 } 00080 00081 ResourceLocal::ResourceLocal( const TQString& fileName ) 00082 : ResourceCached( 0 ) 00083 { 00084 mURL = KURL( fileName ); 00085 mFormat = new ICalFormat(); 00086 init(); 00087 } 00088 00089 00090 void ResourceLocal::writeConfig( TDEConfig* config ) 00091 { 00092 kdDebug(5800) << "ResourceLocal::writeConfig()" << endl; 00093 00094 ResourceCalendar::writeConfig( config ); 00095 config->writePathEntry( "CalendarURL", mURL.prettyURL() ); 00096 TQString typeID = typeid( *mFormat ).name(); 00097 00098 if ( typeid( *mFormat ) == typeid( ICalFormat ) ) 00099 config->writeEntry( "Format", "ical" ); 00100 else if ( typeid( *mFormat ) == typeid( VCalFormat ) ) // if ( typeID == "ICalFormat" ) 00101 config->writeEntry( "Format", "vcal" ); 00102 else 00103 kdDebug(5800) << "ERROR: Unknown format type" << endl; 00104 } 00105 00106 void ResourceLocal::init() 00107 { 00108 d = new ResourceLocal::Private; 00109 00110 setType( "file" ); 00111 00112 setSavePolicy( SaveDelayed ); 00113 00114 connect( &mDirWatch, TQT_SIGNAL( dirty( const TQString & ) ), 00115 TQT_SLOT( reload() ) ); 00116 connect( &mDirWatch, TQT_SIGNAL( created( const TQString & ) ), 00117 TQT_SLOT( reload() ) ); 00118 connect( &mDirWatch, TQT_SIGNAL( deleted( const TQString & ) ), 00119 TQT_SLOT( reload() ) ); 00120 00121 mLock = new TDEABC::Lock( mURL.path() ); 00122 00123 mDirWatch.addFile( mURL.path() ); 00124 mDirWatch.startScan(); 00125 } 00126 00127 00128 ResourceLocal::~ResourceLocal() 00129 { 00130 mDirWatch.stopScan(); 00131 00132 close(); 00133 00134 delete mLock; 00135 00136 delete d; 00137 } 00138 00139 TQDateTime ResourceLocal::readLastModified() 00140 { 00141 TQFileInfo fi( mURL.path() ); 00142 return fi.lastModified(); 00143 } 00144 00145 bool ResourceLocal::doLoad() 00146 { 00147 bool success; 00148 00149 if ( !TDEStandardDirs::exists( mURL.path() ) ) { 00150 kdDebug(5800) << "ResourceLocal::load(): File doesn't exist yet." << endl; 00151 // Save the empty calendar, so the calendar file will be created. 00152 success = doSave(); 00153 } else { 00154 success = mCalendar.load( mURL.path() ); 00155 if ( success ) d->mLastModified = readLastModified(); 00156 } 00157 00158 return success; 00159 } 00160 00161 bool ResourceLocal::doSave() 00162 { 00163 bool success = mCalendar.save( mURL.path() ); 00164 d->mLastModified = readLastModified(); 00165 00166 return success; 00167 } 00168 00169 TDEABC::Lock *ResourceLocal::lock() 00170 { 00171 return mLock; 00172 } 00173 00174 bool ResourceLocal::doReload() 00175 { 00176 kdDebug(5800) << "ResourceLocal::doReload()" << endl; 00177 00178 if ( !isOpen() ) return false; 00179 00180 if ( d->mLastModified == readLastModified() ) { 00181 kdDebug(5800) << "ResourceLocal::reload(): file not modified since last read." 00182 << endl; 00183 return false; 00184 } 00185 00186 mCalendar.close(); 00187 mCalendar.load( mURL.path() ); 00188 return true; 00189 } 00190 00191 void ResourceLocal::reload() 00192 { 00193 if ( doReload() ) 00194 emit resourceChanged( this ); 00195 } 00196 00197 void ResourceLocal::dump() const 00198 { 00199 ResourceCalendar::dump(); 00200 kdDebug(5800) << " Url: " << mURL.url() << endl; 00201 } 00202 00203 TQString ResourceLocal::fileName() const 00204 { 00205 return mURL.path(); 00206 } 00207 00208 bool ResourceLocal::setFileName( const TQString &fileName ) 00209 { 00210 bool open = isOpen(); 00211 if ( open ) close(); 00212 delete mLock; 00213 mDirWatch.stopScan(); 00214 mDirWatch.removeFile( mURL.path() ); 00215 mURL = KURL( fileName ); 00216 mLock = new TDEABC::Lock( mURL.path() ); 00217 mDirWatch.addFile( mURL.path() ); 00218 mDirWatch.startScan(); 00219 return true; 00220 } 00221 00222 bool ResourceLocal::setValue( const TQString &key, const TQString &value ) 00223 { 00224 if ( key == "File" ) { 00225 return setFileName( value ); 00226 } else return false; 00227 } 00228 00229 00230 00231 #include "resourcelocal.moc"