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/*
* Copyright (C) 2009, 2010, 2011 Nicolas Bonnefon and other contributors
*
* This file is part of glogg.
*
* glogg 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 3 of the License, or
* (at your option) any later version.
*
* glogg 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with glogg. If not, see <http://www.gnu.org/licenses/>.
*/
// This file implements class SavedSearch
#include <QSettings>
#include "log.h"
#include "savedsearches.h"
const int SavedSearches::SAVEDSEARCHES_VERSION = 1;
const int SavedSearches::maxNumberOfRecentSearches = 50;
SavedSearches::SavedSearches() : savedSearches_()
{
qRegisterMetaTypeStreamOperators<SavedSearches>( "SavedSearches" );
}
void SavedSearches::addRecent( const QString& text )
{
// We're not interested in blank lines
if ( text.isEmpty() )
return;
// Remove any copy of the about to be added text
savedSearches_.removeAll( text );
// Add at the front
savedSearches_.push_front( text );
// Trim the list if it's too long
while (savedSearches_.size() > maxNumberOfRecentSearches)
savedSearches_.pop_back();
}
QStringList SavedSearches::recentSearches() const
{
return savedSearches_;
}
//
// Operators for serialization
//
QDataStream& operator<<( QDataStream& out, const SavedSearches& object )
{
LOG(logDEBUG) << "<<operator from SavedSearches";
out << object.savedSearches_;
return out;
}
QDataStream& operator>>( QDataStream& in, SavedSearches& object )
{
LOG(logDEBUG) << ">>operator from SavedSearches";
in >> object.savedSearches_;
return in;
}
//
// Persistable virtual functions implementation
//
void SavedSearches::saveToStorage( QSettings& settings ) const
{
LOG(logDEBUG) << "SavedSearches::saveToStorage";
settings.beginGroup( "SavedSearches" );
// Remove everything in case the array is shorter than the previous one
settings.remove("");
settings.setValue( "version", SAVEDSEARCHES_VERSION );
settings.beginWriteArray( "searchHistory" );
for (int i = 0; i < savedSearches_.size(); ++i) {
settings.setArrayIndex( i );
settings.setValue( "string", savedSearches_.at( i ) );
}
settings.endArray();
settings.endGroup();
}
void SavedSearches::retrieveFromStorage( QSettings& settings )
{
LOG(logDEBUG) << "SavedSearches::retrieveFromStorage";
savedSearches_.clear();
if ( settings.contains( "SavedSearches/version" ) ) {
// Unserialise the "new style" stored history
settings.beginGroup( "SavedSearches" );
if ( settings.value( "version" ) == SAVEDSEARCHES_VERSION ) {
int size = settings.beginReadArray( "searchHistory" );
for (int i = 0; i < size; ++i) {
settings.setArrayIndex(i);
QString search = settings.value( "string" ).toString();
savedSearches_.append( search );
}
settings.endArray();
}
else {
LOG(logERROR) << "Unknown version of FilterSet, ignoring it...";
}
settings.endGroup();
}
else {
LOG(logWARNING) << "Trying to import legacy (<=0.8.2) saved searches...";
SavedSearches tmp_saved_searches =
settings.value( "savedSearches" ).value<SavedSearches>();
*this = tmp_saved_searches;
LOG(logWARNING) << "...imported searches: "
<< savedSearches_.count() << " elements";
// Remove the old key once migration is done
settings.remove( "savedSearches" );
// And replace it with the new one
saveToStorage( settings );
settings.sync();
}
}
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