hopefully last modifications of resource based export/import functionality

for opie, qtopia and sharpdtm

1 files changed, 6 insertions, 24 deletions

diff --git a/kabc/plugins/sharpdtm/resourcesharpdtm.cpp b/kabc/plugins/sharpdtm/resourcesharpdtm.cpp
index 14f272d..70c3718 100644
--- a/kabc/plugins/sharpdtm/resourcesharpdtm.cpp
+++ b/kabc/plugins/sharpdtm/resourcesharpdtm.cpp
@@ -60,296 +60,278 @@ extern "C"
 {
   void *init_microkabc_sharpdtm()
   {
     return new KRES::PluginFactory<ResourceSharpDTM,ResourceSharpDTMConfig,SyncPrefWidget>();
   }
 }
 
 ResourceSharpDTM::ResourceSharpDTM( const KConfig *config, bool syncable  )
   : Resource( config, syncable ), mConverter (0)
 {
   // we can not choose the filename. Therefore use the default to display
 
   QString fileName = SlZDataBase::addressbookFileName();
   init( fileName );
 }
 
 ResourceSharpDTM::ResourceSharpDTM( const QString &fileName, bool syncable  )
   : Resource( 0, syncable )
 {
   init( fileName );
 }
 
 void ResourceSharpDTM::init( const QString &fileName )
 {
 
   connect( &mDirWatch, SIGNAL( dirty(const QString&) ), SLOT( fileChanged() ) );
   connect( &mDirWatch, SIGNAL( created(const QString&) ), SLOT( fileChanged() ) );
   connect( &mDirWatch, SIGNAL( deleted(const QString&) ), SLOT( fileChanged() ) );
 
   setFileName( fileName );
 }
 
 ResourceSharpDTM::~ResourceSharpDTM()
 {
   if (mConverter != 0)
     delete mConverter;
 
   if(mAccess != 0)
     delete mAccess;
 }
 
 void ResourceSharpDTM::writeConfig( KConfig *config )
 {
   Resource::writeConfig( config );
 }
 
 Ticket *ResourceSharpDTM::requestSaveTicket()
 {
   kdDebug(5700) << "ResourceSharpDTM::requestSaveTicket()" << endl;
 
   qDebug("ResourceSharpDTM::requestSaveTicket: %s", fileName().latin1());
 
   if ( !addressBook() ) return 0;
 
   if ( !lock( fileName() ) ) {
     kdDebug(5700) << "ResourceSharpDTM::requestSaveTicket(): Unable to lock file '"
                   << fileName() << "'" << endl;
     return 0;
   }
   return createTicket( this );
 }
 
 
 bool ResourceSharpDTM::doOpen()
 {
   qDebug("ResourceSharpDTM::doOpen: %s", fileName().latin1());
 
   // the last parameter in the SlZDataBase constructor means "readonly"
   mAccess = new SlZDataBase(fileName(),
                         SlZDataBase::addressbookItems(),
                         NULL, true);
 
   if ( !mAccess ) {
     qDebug("Unable to load file() %s", fileName().latin1());
     return false;
   }
 
   if (mConverter == 0)
   {
     mConverter = new SharpDTMConverter();
     bool res = mConverter->init();
     if ( !res )
     {
 	  QString msg("Unable to initialize sharp converter. Most likely a problem with the category file");
 
       qDebug(msg);
       delete mAccess;
       mAccess = 0;
       return false;
     }
   }
 
  return true;
 }
 
 void ResourceSharpDTM::doClose()
 {
   qDebug("ResourceSharpDTM::doClose: %s", fileName().latin1());
 
   if(mAccess)
   {
     delete mAccess;
     mAccess = 0;
   }
   // it seems so, that deletion of access deletes backend as well
   //delete backend;
 
   return;
 }
 
 bool ResourceSharpDTM::load()
 {
   qDebug("ResourceSharpDTM::load: %s", fileName().latin1());
 
   bool res = false;
 
   CardId id;
 
   for (bool res=mAccess->first(); res == true; res=mAccess->next())
   {
     id = mAccess->cardId();
 
     KABC::Addressee addressee;
 
     res = mConverter->sharpToAddressee( id, mAccess, addressee );
 
     if ( !addressee.isEmpty() && res )
     {
       addressee.setResource( this );
       addressBook()->insertAddressee( addressee );
     }
   }
 
   return true;
 }
 
 bool ResourceSharpDTM::save( Ticket *ticket )
 {
   qDebug("ResourceSharpDTM::save: %s", fileName().latin1());
 
 
   KABC::AddressBook::Iterator it;
   bool res;
 
   for ( it = addressBook()->begin(); it != addressBook()->end(); ++it ) {
     CardId id = 0;	// 0 means new card
     KABC::Addressee addressee = (*it);
 
     res = mAccess->startEditCard(id);
     if (res == true)
     {
       res = mConverter->addresseeToSharp( *it, mAccess, id  );
       if (res == true)
       {
         res = mAccess->finishEditCard(&id);
         if (res == false)
           qDebug("Unable to append Contact: %s", addressee.formattedName().latin1());
       }
       else
       {
         qDebug("Unable to convert Addressee: %s", addressee.formattedName().latin1());
         mAccess->cancelEditCard();
       }
     }
     else
     {
       qDebug("Unable to add new card. Addressee: %s", addressee.formattedName().latin1());
     }
 
   }
 
 //US  mAccess->save();
 
   delete ticket;
   unlock( fileName() );
 
   return true;
 }
 
 bool ResourceSharpDTM::lock( const QString &lockfileName )
 {
   qDebug("ResourceSharpDTM::lock: %s", fileName().latin1());
 
   kdDebug(5700) << "ResourceSharpDTM::lock()" << endl;
 
   QString fn = lockfileName;
 
   KURL url(fn);
   QString lockName = locateLocal( "data", "kabc/lock/" + url.fileName() + ".lock" );
 
   kdDebug(5700) << "-- lock name: " << lockName << endl;
 
-  if (QFile::exists( lockName )) return false;
+  if (QFile::exists( lockName ))
+  {
+    qDebug("ResourceSharpDTM::lock: lockfile %s already exists. (Delete it before continuing if nobody else is accessing the resourcefile %s)", lockName.latin1(), fileName());
+    return false;
+  }
+
 
   QString lockUniqueName;
   lockUniqueName = fn + 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 ResourceSharpDTM::unlock( const QString &fileName )
 {
   qDebug("ResourceSharpDTM::unlock() %s", fileName.latin1());
 
   QString fn = fileName;
   KURL url(fn);
   QString lockName = locateLocal( "data", "kabc/lock/" + url.fileName() + ".lock" );
 
   QFile::remove( lockName );
   QFile::remove( mLockUniqueName );
   addressBook()->emitAddressBookUnlocked();
 }
 
 void ResourceSharpDTM::setFileName( const QString &newFileName )
 {
   mDirWatch.stopScan();
   mDirWatch.removeFile( fileName() );
 
   Resource::setFileName( newFileName );
 
   mDirWatch.addFile( fileName() );
   mDirWatch.startScan();
 
 }
 
 void ResourceSharpDTM::fileChanged()
 {
   // There is a small theoretical chance that KDirWatch calls us before
   // we are fully constructed
   if (!addressBook())
     return;
 
   QString text( i18n( "Sharp DTM resource '%1'<br> has been changed by third party.<br>Do you want to reload?").arg( fileName() ) );
   if ( readOnly() || KMessageBox::questionYesNo( 0, text ) == KMessageBox::Yes ) {
     load();
     addressBook()->emitAddressBookChanged();
   }
 }
 
 void ResourceSharpDTM::removeAddressee( const Addressee &addr )
 {
 }
 
 void ResourceSharpDTM::cleanUp()
 {
   unlock( fileName() );
 }
 
-/**
- * This method returns the number of elements that are currently in the resource.
- */
-int ResourceSharpDTM::count() const
-{
-  if (mAccess != 0)
-	return mAccess->count();
-  else
-    return 0;
-}
-
-
-/**
- * This method removes all elements from the resource!! (Not from the addressbook)
- */
-bool ResourceSharpDTM::clear()
-{
-  if (mAccess != 0)
-    return mAccess->deleteCard(0, SlZDataBase::AllCard );
-  else
-	return false;
-}
-