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/***************************************************************************
* Copyright (C) 2003-2005 by *
* Cyril Bosselut (bosselut@b1project.com) *
* Jason Kivlighn (jkivlighn@gmail.com) *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
***************************************************************************/
#include "baseexporter.h"
#include <ntqfile.h>
#include <ntqfileinfo.h>
#include <tdeaboutdata.h>
#include <kdebug.h>
#include <tdelocale.h>
#include <tdeglobal.h>
#include <tdemessagebox.h>
#include <ktar.h>
#include <kstandarddirs.h>
#include "backends/recipedb.h"
BaseExporter::BaseExporter( const TQString& _filename, const TQString &format ) :
file( 0 ),
tar_file( 0 ),
filename( _filename ),
m_progress_dlg( 0 ),
compress(false)
{
//automatically append extension
TQString extension = format.right( format.length()-2 );
if ( filename.right( extension.length() ) != extension )
filename += "." + extension;
}
BaseExporter::~BaseExporter()
{
delete file;
delete tar_file;
}
int BaseExporter::headerFlags() const
{
return RecipeDB::None;
}
void BaseExporter::setCompressed( bool b )
{
compress = b;
}
void BaseExporter::exporter( const TQValueList<int> &ids, RecipeDB *database, KProgressDialog *progress_dlg )
{
m_progress_dlg = progress_dlg;
if ( createFile() )
saveToFile( ids, database );
else
kdDebug() << "no output file has been selected for export." << endl;
}
void BaseExporter::exporter( int id, RecipeDB *database, KProgressDialog *progress_dlg )
{
TQValueList<int> single_recipe_list;
single_recipe_list << id ;
exporter( single_recipe_list, database, progress_dlg );
}
void BaseExporter::writeStream( TQTextStream &stream, const RecipeList &recipe_list )
{
stream << createHeader(recipe_list);
stream << createContent(recipe_list);
stream << createFooter();
}
bool BaseExporter::createFile()
{
if ( file )
return true;
if ( !filename.isEmpty() ) {
if ( compress ) {
tar_file = new KTar( filename, "application/x-gzip" );
TQFileInfo fi( filename );
file = new TQFile( locateLocal( "tmp",fi.fileName()+"ml" ) );
}
else
file = new TQFile(filename);
return (file != 0);
}
else
return false;
}
TQString BaseExporter::fileName() const
{
return filename;
}
void BaseExporter::saveToFile( const TQValueList<int> &ids, RecipeDB *database )
{
if ( file->open( IO_WriteOnly ) ) {
if ( m_progress_dlg )
m_progress_dlg->progressBar()->setTotalSteps( ids.count()/progressInterval() );
TQValueList<int> ids_copy = ids;
TQTextStream stream( file );
stream.setEncoding( TQTextStream::UnicodeUTF8 );
RecipeList recipe_list;
if ( headerFlags() != RecipeDB::None ) {
database->loadRecipes( &recipe_list, headerFlags(), ids );
}
stream << createHeader( recipe_list );
recipe_list.clear();
for ( uint i = 0; i < ids.count(); i += progressInterval() ) {
TQValueList<int> sub_list;
for ( int sub_i = 0; sub_i < progressInterval(); ++sub_i ) {
if ( ids_copy.count() == 0 ) break;
sub_list << *ids_copy.begin();
ids_copy.remove( ids_copy.begin() );
}
RecipeList recipe_list;
database->loadRecipes( &recipe_list, supportedItems(), sub_list );
TQString content = createContent( recipe_list );
if ( !content.isEmpty() )
stream << content;
if ( m_progress_dlg && m_progress_dlg->wasCancelled() )
break;
if ( m_progress_dlg ) {
m_progress_dlg->progressBar()->advance( progressInterval() );
kapp->processEvents();
}
}
stream << createFooter();
if ( tar_file && tar_file->open( IO_WriteOnly ) ) {
//close, which flushes the buffer, and then open for reading
file->close();
file->open( IO_ReadOnly );
TQFileInfo fi( file->name() );
TQByteArray data = file->readAll();
tar_file->writeFile( fi.fileName(), fi.owner(), fi.group(), data.size(), data );
tar_file->close();
}
file->close();
}
}
TQString BaseExporter::krecipes_version() const
{
TDEInstance * this_instance = TDEGlobal::instance();
if ( this_instance && this_instance->aboutData() )
return this_instance->aboutData() ->version();
return TQString::null; //Oh, well. We couldn't get the version.
}
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