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tdepim/libkcal/resourcelocal.cpp

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/*
This file is part of libkcal.
Copyright (c) 1998 Preston Brown <pbrown@kde.org>
Copyright (c) 2001,2003 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.
*/
#include <typeinfo>
#include <stdlib.h>
#include <tqdatetime.h>
#include <tqstring.h>
#include <tqptrlist.h>
#include <kdebug.h>
#include <klocale.h>
#include <kurl.h>
#include <kstandarddirs.h>
#include "vcaldrag.h"
#include "vcalformat.h"
#include "icalformat.h"
#include "exceptions.h"
#include "incidence.h"
#include "event.h"
#include "todo.h"
#include "journal.h"
#include "filestorage.h"
#include <tderesources/configwidget.h>
#include "resourcelocalconfig.h"
#include "resourcelocal.h"
using namespace KCal;
class ResourceLocal::Private
{
public:
TQDateTime mLastModified;
};
ResourceLocal::ResourceLocal( const TDEConfig* config )
: ResourceCached( config ), mLock( 0 )
{
if ( config ) {
TQString url = config->readPathEntry( "CalendarURL" );
mURL = KURL( url );
TQString format = config->readEntry( "Format" );
if ( format == "ical" )
mFormat = new ICalFormat();
else if ( format == "vcal" )
mFormat = new VCalFormat();
else {
mFormat = new ICalFormat();
}
} else {
mURL = KURL();
mFormat = new ICalFormat();
}
init();
}
ResourceLocal::ResourceLocal( const TQString& fileName )
: ResourceCached( 0 )
{
mURL = KURL( fileName );
mFormat = new ICalFormat();
init();
}
void ResourceLocal::writeConfig( TDEConfig* config )
{
kdDebug(5800) << "ResourceLocal::writeConfig()" << endl;
ResourceCalendar::writeConfig( config );
config->writePathEntry( "CalendarURL", mURL.prettyURL() );
TQString typeID = typeid( *mFormat ).name();
if ( typeid( *mFormat ) == typeid( ICalFormat ) )
config->writeEntry( "Format", "ical" );
else if ( typeid( *mFormat ) == typeid( VCalFormat ) ) // if ( typeID == "ICalFormat" )
config->writeEntry( "Format", "vcal" );
else
kdDebug(5800) << "ERROR: Unknown format type" << endl;
}
void ResourceLocal::init()
{
d = new ResourceLocal::Private;
setType( "file" );
setSavePolicy( SaveDelayed );
connect( &mDirWatch, TQT_SIGNAL( dirty( const TQString & ) ),
TQT_SLOT( reload() ) );
connect( &mDirWatch, TQT_SIGNAL( created( const TQString & ) ),
TQT_SLOT( reload() ) );
connect( &mDirWatch, TQT_SIGNAL( deleted( const TQString & ) ),
TQT_SLOT( reload() ) );
mLock = new KABC::Lock( mURL.path() );
mDirWatch.addFile( mURL.path() );
mDirWatch.startScan();
}
ResourceLocal::~ResourceLocal()
{
mDirWatch.stopScan();
close();
delete mLock;
delete d;
}
TQDateTime ResourceLocal::readLastModified()
{
TQFileInfo fi( mURL.path() );
return fi.lastModified();
}
bool ResourceLocal::doLoad()
{
bool success;
if ( !KStandardDirs::exists( mURL.path() ) ) {
kdDebug(5800) << "ResourceLocal::load(): File doesn't exist yet." << endl;
// Save the empty calendar, so the calendar file will be created.
success = doSave();
} else {
success = mCalendar.load( mURL.path() );
if ( success ) d->mLastModified = readLastModified();
}
return success;
}
bool ResourceLocal::doSave()
{
bool success = mCalendar.save( mURL.path() );
d->mLastModified = readLastModified();
return success;
}
KABC::Lock *ResourceLocal::lock()
{
return mLock;
}
bool ResourceLocal::doReload()
{
kdDebug(5800) << "ResourceLocal::doReload()" << endl;
if ( !isOpen() ) return false;
if ( d->mLastModified == readLastModified() ) {
kdDebug(5800) << "ResourceLocal::reload(): file not modified since last read."
<< endl;
return false;
}
mCalendar.close();
mCalendar.load( mURL.path() );
return true;
}
void ResourceLocal::reload()
{
if ( doReload() )
emit resourceChanged( this );
}
void ResourceLocal::dump() const
{
ResourceCalendar::dump();
kdDebug(5800) << " Url: " << mURL.url() << endl;
}
TQString ResourceLocal::fileName() const
{
return mURL.path();
}
bool ResourceLocal::setFileName( const TQString &fileName )
{
bool open = isOpen();
if ( open ) close();
delete mLock;
mDirWatch.stopScan();
mDirWatch.removeFile( mURL.path() );
mURL = KURL( fileName );
mLock = new KABC::Lock( mURL.path() );
mDirWatch.addFile( mURL.path() );
mDirWatch.startScan();
return true;
}
bool ResourceLocal::setValue( const TQString &key, const TQString &value )
{
if ( key == "File" ) {
return setFileName( value );
} else return false;
}
#include "resourcelocal.moc"