File indexing completed on 2024-05-19 04:49:41

 /****************************************************************************************
  * Copyright (c) 2011 Ralf Engels <ralf-engels@gmx.de>                                      *
  *                                                                                      *
  * 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) version 3 or        *
  * any later version accepted by the membership of KDE e.V. (or its successor approved  *
  * by the membership of KDE e.V.), which shall act as a proxy defined in Section 14 of  *
  * version 3 of the license.                                                            *
  *                                                                                      *
  * This program 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         *
  * this program.  If not, see <http://www.gnu.org/licenses/>.                           *
  ****************************************************************************************/
 
 #define DEBUG_PREFIX "SearchQueryBias"
 
 #include "SearchQueryBias.h"
 
 #include "core/collections/Collection.h"
 #include "core/collections/QueryMaker.h"
 #include "core/support/Debug.h"
 #include "core-impl/collections/support/CollectionManager.h"
 #include "core-impl/collections/support/TextualQueryFilter.h"
 #include "dynamic/TrackSet.h"
 
 #include <QLineEdit>
 
 #include <QLabel>
 #include <QCheckBox>
 #include <QHBoxLayout>
 #include <QVBoxLayout>
 #include <QXmlStreamReader>
 #include <QXmlStreamWriter>
 
 
 QString
 Dynamic::SearchQueryBiasFactory::i18nName() const
 { return i18nc("Name of the \"SearchQuery\" bias", "Search"); }
 
 QString
 Dynamic::SearchQueryBiasFactory::name() const
 { return Dynamic::SearchQueryBias::sName(); }
 
 QString
 Dynamic::SearchQueryBiasFactory::i18nDescription() const
 { return i18nc("Description of the \"SearchQuery\" bias",
                "The \"SearchQuery\" bias adds tracks that are\n"
                "found by a search query. It uses the same search\n"
                "query as the collection browser."); }
 
 Dynamic::BiasPtr
 Dynamic::SearchQueryBiasFactory::createBias()
 { return Dynamic::BiasPtr( new Dynamic::SearchQueryBias() ); }
 
 // ----- SearchQueryBias --------
 
 Dynamic::SearchQueryBias::SearchQueryBias( const QString &filter )
     : SimpleMatchBias()
     , m_filter( filter )
 { }
 
 void
 Dynamic::SearchQueryBias::fromXml( QXmlStreamReader *reader )
 {
     DEBUG_BLOCK;
 
     while (!reader->atEnd()) {
         reader->readNext();
 
         if( reader->isStartElement() )
         {
             QStringRef name = reader->name();
             if( name == "filter" )
                 m_filter = reader->readElementText(QXmlStreamReader::SkipChildElements);
             else
             {
                 debug()<<"Unexpected xml start element"<<reader->name()<<"in input";
                 reader->skipCurrentElement();
             }
         }
         else if( reader->isEndElement() )
         {
             break;
         }
     }
 }
 
 void
 Dynamic::SearchQueryBias::toXml( QXmlStreamWriter *writer ) const
 {
     writer->writeTextElement( QStringLiteral("filter"), m_filter );
 }
 
 QString
 Dynamic::SearchQueryBias::sName()
 {
     return QStringLiteral( "searchQueryBias" );
 }
 
 QString
 Dynamic::SearchQueryBias::name() const
 {
     return Dynamic::SearchQueryBias::sName();
 }
 
 QString
 Dynamic::SearchQueryBias::toString() const
 {
     if( m_filter.isEmpty() )
         return i18nc("Random bias representation",
                      "Random tracks");
     else
         return i18nc("SearchQuery bias representation",
                      "Search for: %1", m_filter );
 }
 
 QWidget*
 Dynamic::SearchQueryBias::widget( QWidget* parent )
 {
     QWidget *widget = new QWidget( parent );
     QVBoxLayout *layout = new QVBoxLayout( widget );
 
     QLineEdit *edit = new QLineEdit( m_filter );
     layout->addWidget( edit );
 
     connect( edit, &QLineEdit::textChanged,
              this, &SearchQueryBias::setFilter );
 
     return widget;
 }
 
 QString
 Dynamic::SearchQueryBias::filter() const
 {
     return m_filter;
 }
 
 void
 Dynamic::SearchQueryBias::setFilter( const QString &filter )
 {
     DEBUG_BLOCK;
     if( filter == m_filter )
         return;
 
     m_filter = filter;
     invalidate();
     Q_EMIT changed( BiasPtr(this) );
 }
 
 void
 Dynamic::SearchQueryBias::newQuery()
 {
     DEBUG_BLOCK;
 
     // ok, I need a new query maker
     m_qm.reset( CollectionManager::instance()->queryMaker() );
     Collections::addTextualFilter( m_qm.data(), m_filter );
     m_qm->setQueryType( Collections::QueryMaker::Custom );
     m_qm->addReturnValue( Meta::valUniqueId );
 
     connect( m_qm.data(), &Collections::QueryMaker::newResultReady,
              this, &SearchQueryBias::updateReady, Qt::QueuedConnection );
     connect( m_qm.data(), &Collections::QueryMaker::queryDone,
              this, &SearchQueryBias::updateFinished, Qt::QueuedConnection );
     m_qm.data()->run();
 }