ask for readwrite resources if the user wants them to reload in the case of an

external change.

1 files changed, 6 insertions, 4 deletions

diff --git a/kabc/plugins/dir/resourcedir.cpp b/kabc/plugins/dir/resourcedir.cpp
index 7825c6f..52863d5 100644
--- a/kabc/plugins/dir/resourcedir.cpp
+++ b/kabc/plugins/dir/resourcedir.cpp
@@ -1,362 +1,364 @@
 /*
     This file is part of libkabc.
     Copyright (c) 2002 Tobias Koenig <tokoe@kde.org>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     Library General Public License for more details.
 
     You should have received a copy of the GNU Library General Public License
     along with this library; see the file COPYING.LIB.  If not, write to
     the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
     Boston, MA 02111-1307, USA.
 */
 
 /*
 Enhanced Version of the file for platform independent KDE tools.
 Copyright (c) 2004 Ulf Schenk
 
 $Id$
 */
 
 
 #include <sys/types.h>
 #include <sys/stat.h>
 #ifndef _WIN32_
 #include <unistd.h>
 #endif
 
 #include <qregexp.h>
 #include <qtimer.h>
 #include <qwidget.h>
 
 #include <kapplication.h>
 #include <kconfig.h>
 #include <kdebug.h>
 //US #include <kgenericfactory.h>
 #include <kglobal.h>
 #include <klocale.h>
 #include <kstandarddirs.h>
 #include <kurlrequester.h>
+#include <kmessagebox.h>
 
 #include "addressbook.h"
 
 #include "formatfactory.h"
 
 #include "resourcedirconfig.h"
 #include "stdaddressbook.h"
 
 //US
 #include <qdir.h>
-//US #include "../../formats/vcardformatplugin2.h"
-//US #include "../../formats/binaryformat.h"
 
 #include "resourcedir.h"
 
 using namespace KABC;
 
 extern "C"
 #ifdef _WIN32_
 __declspec(dllexport) 
 #else
 {
 #endif
 
 //US  void *init_kabc_dir()
   void *init_microkabc_dir()
   {
     return new KRES::PluginFactory<ResourceDir,ResourceDirConfig>();
   }
 #ifndef _WIN32_
 }
 #endif
 
 ResourceDir::ResourceDir( const KConfig *config )
     : Resource( config )
 {
   QString path;
 
   KConfig *cfg = (KConfig *)config;
   if ( cfg ) {
 //US     path = config->readEntry( "FilePath" );
      path = cfg->readEntry( "FilePath", StdAddressBook::directoryName() );
 //US     mFormatName = config->readEntry( "FileFormat" );
      mFormatName = cfg->readEntry( "FileFormat", "vcard" );
   } else {
     path = StdAddressBook::directoryName();
     mFormatName = "vcard";
   }
 
 
   FormatFactory *factory = FormatFactory::self();
   mFormat = factory->format( mFormatName );
 
   if ( !mFormat ) {
     mFormatName = "vcard";
     mFormat = factory->format( mFormatName );
   }
 
 /*US  
 //US  qDebug("ResourceDir::ResourceDir initialized with format %s ", mFormatName.latin1());
   if (mFormatName == "vcard")
     mFormat = new VCardFormatPlugin2();
   else if (mFormatName == "binary")
     mFormat = new BinaryFormat();
   else
     qDebug("ResourceFile::init format unknown !!! %s ", mFormatName.latin1());
 */
   
   connect( &mDirWatch, SIGNAL( dirty(const QString&) ), SLOT( pathChanged() ) );
   connect( &mDirWatch, SIGNAL( created(const QString&) ), SLOT( pathChanged() ) );
   connect( &mDirWatch, SIGNAL( deleted(const QString&) ), SLOT( pathChanged() ) );
 
   setPath( path );
 }
 
 ResourceDir::~ResourceDir()
 {
   delete mFormat;
   mFormat = 0;
 }
 
 void ResourceDir::writeConfig( KConfig *config )
 { 
     config->setGroup( "Resource_" + identifier() ); 
   Resource::writeConfig( config );
 
   config->writeEntry( "FilePath", mPath );
   config->writeEntry( "FileFormat", mFormatName );
 }
 
 Ticket *ResourceDir::requestSaveTicket()
 {
   kdDebug(5700) << "ResourceDir::requestSaveTicket()" << endl;
 
   if ( !addressBook() ) return 0;
 
   if ( !lock( mPath ) ) {
     kdDebug(5700) << "ResourceDir::requestSaveTicket(): Unable to lock path '"
                   << mPath << "'" << endl;
     return 0;
   }
   return createTicket( this );
 }
 
 
 bool ResourceDir::doOpen()
 {
   QDir dir( mPath );
   if ( !dir.exists() ) { // no directory available
     return dir.mkdir( dir.path() );
   } else {
     QString testName = dir.entryList( QDir::Files )[0];
     if ( testName.isNull() || testName.isEmpty() ) // no file in directory
       return true;
 
     QFile file( mPath + "/" + testName );
     if ( file.open( IO_ReadOnly ) )
       return true;
 
     if ( file.size() == 0 )
       return true;
 
     bool ok = mFormat->checkFormat( &file );
     file.close();
     return ok;
   }
 }
 
 void ResourceDir::doClose()
 {
 }
 
 bool ResourceDir::load()
 {
   kdDebug(5700) << "ResourceDir::load(): '" << mPath << "'" << endl;
 
   QDir dir( mPath );
   QStringList files = dir.entryList( QDir::Files );
 
   QStringList::Iterator it;
   bool ok = true;
   for ( it = files.begin(); it != files.end(); ++it ) {
     QFile file( mPath + "/" + (*it) );
 
     if ( !file.open( IO_ReadOnly ) ) {
       addressBook()->error( i18n( "Unable to open file '%1' for reading" ).arg( file.name() ) );
       ok = false;
       continue;
     }
 
     if ( !mFormat->loadAll( addressBook(), this, &file ) )
       ok = false;
 
     file.close();
   }
 
   return ok;
 }
 
 bool ResourceDir::save( Ticket *ticket )
 {
   kdDebug(5700) << "ResourceDir::save(): '" << mPath << "'" << endl;
 
   AddressBook::Iterator it;
   bool ok = true;
 
   for ( it = addressBook()->begin(); it != addressBook()->end(); ++it ) {
     if ( (*it).resource() != this || !(*it).changed() )
       continue;
 
     QFile file( mPath + "/" + (*it).uid() );
     if ( !file.open( IO_WriteOnly ) ) {
       addressBook()->error( i18n( "Unable to open file '%1' for writing" ).arg( file.name() ) );
       continue;
     }
 
     mFormat->save( *it, &file );
 
     // mark as unchanged
     (*it).setChanged( false );
 
     file.close();
   }
 
   delete ticket;
   unlock( mPath );
 
   return ok;
 }
 
 bool ResourceDir::lock( const QString &path )
 {
   kdDebug(5700) << "ResourceDir::lock()" << endl;
 
   QString p = path;
 //US change the implementation how the lockfilename is getting created
 //US  p.replace( QRegExp("/"), "_" );
 //US  QString lockName = locateLocal( "data", "kabc/lock/" + p + ".lock" );
   KURL url(p);  
   QString lockName = locateLocal( "data", "kabc/lock/" + url.fileName() + ".lock" );
   
   
   kdDebug(5700) << "-- lock name: " << lockName << endl;
 
   if ( QFile::exists( lockName ) ) return false;
 
   QString lockUniqueName;
   lockUniqueName = p + KApplication::randomString( 8 );
 
   url = lockUniqueName;  
 //US  mLockUniqueName = locateLocal( "data", "kabc/lock/" + lockUniqueName );
   mLockUniqueName = locateLocal( "data", "kabc/lock/" + url.fileName() );
     
   kdDebug(5700) << "-- lock unique name: " << mLockUniqueName << endl;
 
   // Create unique file
   QFile file( mLockUniqueName );
   file.open( IO_WriteOnly );
   file.close();
 
   // Create lock file
   int result = 0;
 #ifndef _WIN32_
   result = ::link( QFile::encodeName( mLockUniqueName ),
                        QFile::encodeName( lockName ) );
 #endif
   if ( result == 0 ) {
     addressBook()->emitAddressBookLocked();
     return true;
   }
 
   // TODO: check stat
 
   return false;
 }
 
 void ResourceDir::unlock( const QString &path )
 {
   QString p = path;
 //US change the implementation how the lockfilename is getting created
 //US  p.replace( QRegExp( "/" ), "_" );
 //US  QString lockName = locate( "data", "kabc/lock/" + p + ".lock" );
   KURL url(p);  
   QString lockName = locate( "data", "kabc/lock/" + url.fileName() + ".lock" );
 
   ::unlink( QFile::encodeName( lockName ) );
   QFile::remove( mLockUniqueName );
   addressBook()->emitAddressBookUnlocked();
 }
 
 void ResourceDir::setPath( const QString &path )
 {
   mDirWatch.stopScan();
   mDirWatch.removeDir( mPath );
   
   mPath = path;
 
   mDirWatch.addDir( mPath, true );
   mDirWatch.startScan();
 
 //US simulate KDirWatch event  
 //US  pathChanged();
 
 }
 
 QString ResourceDir::path() const
 {
   return mPath;
 }
 
 void ResourceDir::setFormat( const QString &format )
 {
   mFormatName = format;
 
   if ( mFormat )
     delete mFormat;
 
   FormatFactory *factory = FormatFactory::self();
   mFormat = factory->format( mFormatName );
 /*US 
 qDebug("ResourceDir::setFormat initialized with format %s ", format.latin1());
   if (mFormatName == "vcard")
     mFormat = new VCardFormatPlugin2();
   else if (mFormatName == "binary")
     mFormat = new BinaryFormat();
   else
     qDebug("ResourceDir::setFormat format unknown !!! %s ", format.latin1());
 */
 
 }
 
 QString ResourceDir::format() const
 {
   return mFormatName;
 }
 
 void ResourceDir::pathChanged()
 {
   if ( !addressBook() )
     return;
 
-  load();
-  addressBook()->emitAddressBookChanged();
+  QString text( i18n( "Dir resource '%1'<br> has been changed by third party.<br>Do you want to reload?").arg( mPath ) );
+  if ( readOnly() || KMessageBox::questionYesNo( 0, text ) == KMessageBox::Yes ) {
+    load();
+    addressBook()->emitAddressBookChanged();
+  }
 }
 
 void ResourceDir::removeAddressee( const Addressee& addr )
 {
     QFile::remove( mPath + "/" + addr.uid() );
 }
 
 void ResourceDir::cleanUp()
 {
   unlock( mPath );
 }
 
 //US #include "resourcedir.moc"