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tdelibs/kabc/plugins/file/resourcefile.h

163 lines
3.7 KiB

/*
This file is part of libkabc.
Copyright (c) 2001 Cornelius Schumacher <schumacher@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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KABC_RESOURCEFILE_H
#define KABC_RESOURCEFILE_H
#include <kconfig.h>
#include <kdirwatch.h>
#include <sys/types.h>
#include <kabc/resource.h>
namespace KABC {
class FormatPlugin;
class ResourceConfigWidget;
class Lock;
/**
This resource allows access to a local file.
*/
class KABC_EXPORT ResourceFile : public Resource
{
Q_OBJECT
public:
/**
Constructor.
@param cfg The config object where custom resource settings are stored.
*/
ResourceFile( const TDEConfig *cfg );
/**
Construct file resource on file @arg fileName using format @arg formatName.
*/
ResourceFile( const TQString &fileName, const TQString &formatName = "vcard" );
/**
Destructor.
*/
~ResourceFile();
/**
Writes the config back.
*/
virtual void writeConfig( TDEConfig *cfg );
/**
Tries to open the file and checks for the proper format.
This method should be called before load().
*/
virtual bool doOpen();
/**
Closes the file again.
*/
virtual void doClose();
/**
Requests a save ticket, that is used by save()
*/
virtual Ticket *requestSaveTicket();
virtual void releaseSaveTicket( Ticket* );
/**
Loads all addressees from file to the address book.
Returns true if all addressees could be loaded otherwise false.
*/
virtual bool load();
virtual bool asyncLoad();
/**
Saves all addresses from address book to file.
Returns true if all addressees could be saved otherwise false.
@param ticket The ticket returned by requestSaveTicket()
*/
virtual bool save( Ticket *ticket );
virtual bool asyncSave( Ticket *ticket );
/**
Set name of file to be used for saving.
*/
void setFileName( const TQString & );
/**
Return name of file used for loading and saving the address book.
*/
TQString fileName() const;
/**
Sets a new format by name.
*/
void setFormat( const TQString &name );
/**
Returns the format name.
*/
TQString format() const;
/**
Remove a addressee from its source.
This method is mainly called by KABC::AddressBook.
*/
virtual void removeAddressee( const Addressee& addr );
private slots:
void emitLoadingFinished();
void emitLoadingError();
void emitSavingFinished();
void emitSavingError();
protected slots:
void fileChanged();
protected:
void init( const TQString &fileName, const TQString &format );
bool lock( const TQString &fileName );
void unlock( const TQString &fileName );
private:
TQString mFileName;
TQString mFormatName;
FormatPlugin *mFormat;
Lock *mLock;
KDirWatch mDirWatch;
bool mAsynchronous;
class ResourceFilePrivate;
ResourceFilePrivate *d;
};
}
#endif