File indexing completed on 2024-05-19 04:48:39

 /****************************************************************************************
  * Copyright (c) 2008-2012 Soren Harward <stharward@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.                                                                             *
  *                                                                                      *
  * 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/>.                           *
  ****************************************************************************************/
 
 #include "APGCategory.h"
 
 #include "amarokconfig.h"
 #include "playlistgenerator/ConstraintSolver.h"
 #include "playlistgenerator/PresetModel.h"
 #include "widgets/PrettyTreeView.h"
 
 #include <QIcon>
 #include <KLocalizedString>
 #include <QStandardPaths>
 
 #include <QAction>
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QModelIndex>
 #include <QToolBar>
 
 PlaylistBrowserNS::APGCategory::APGCategory( QWidget* )
     : BrowserCategory ( QStringLiteral("APG"), nullptr )
 {
     m_qualityFactor = AmarokConfig::qualityFactorAPG();
 
     setPrettyName( i18n( "Automated Playlist Generator" ) );
     setShortDescription( i18n("Create playlists by specifying criteria") );
     setIcon( QIcon::fromTheme( QStringLiteral("playlist-generator") ) );
 
     // set background
     if( AmarokConfig::showBrowserBackgroundImage() )
         setBackgroundImage( imagePath() );
 
     setLongDescription( i18n("Create playlists by specifying criteria") );
 
     setContentsMargins( 0, 0, 0, 0 );
 
     APG::PresetModel* presetmodel = APG::PresetModel::instance();
     connect( presetmodel, &APG::PresetModel::lock, this, &APGCategory::setDisabled );
 
     /* Create the toolbar -- Qt's Designer doesn't let us put a toolbar
      * anywhere except in a MainWindow, so we've got to create it by hand here. */
     QToolBar* toolBar_Actions = new QToolBar( this );
     toolBar_Actions->setMovable( false );
     toolBar_Actions->setFloatable( false );
     toolBar_Actions->setIconSize( QSize( 22, 22 ) );
     toolBar_Actions->setSizePolicy( QSizePolicy::MinimumExpanding, QSizePolicy::Preferred );
 
     QAction* a;
     a = toolBar_Actions->addAction( QIcon::fromTheme( QStringLiteral("list-add-amarok") ), i18n("Add new preset") );
     connect( a, &QAction::triggered, presetmodel, &APG::PresetModel::addNew );
 
     a = toolBar_Actions->addAction( QIcon::fromTheme( QStringLiteral("document-properties-amarok") ), i18n("Edit selected preset") );
     a->setEnabled( false );
     connect( a, &QAction::triggered, presetmodel, &APG::PresetModel::edit );
     connect( this, &APGCategory::validIndexSelected, a, &QAction::setEnabled );
 
     a = toolBar_Actions->addAction( QIcon::fromTheme( QStringLiteral("list-remove-amarok") ), i18n("Delete selected preset") );
     a->setEnabled( false );
     connect( a, &QAction::triggered, presetmodel, &APG::PresetModel::removeActive );
     connect( this, &APGCategory::validIndexSelected, a, &QAction::setEnabled );
 
     a = toolBar_Actions->addAction( QIcon::fromTheme( QStringLiteral("document-import-amarok") ), i18n("Import a new preset") );
     a->setEnabled( true );
     connect( a, &QAction::triggered, presetmodel, &APG::PresetModel::import );
 
     a = toolBar_Actions->addAction( QIcon::fromTheme( QStringLiteral("document-export-amarok") ), i18n("Export the selected preset") );
     a->setEnabled( false );
     connect( a, &QAction::triggered, presetmodel, &APG::PresetModel::exportActive );
     connect( this, &APGCategory::validIndexSelected, a, &QAction::setEnabled );
 
     toolBar_Actions->addSeparator();
 
     a = toolBar_Actions->addAction( QIcon::fromTheme( QStringLiteral("go-next-amarok") ), i18n("Run APG with selected preset") );
     a->setEnabled( false );
     connect( a, &QAction::triggered, this, &APGCategory::runGenerator );
     connect( this, &APGCategory::validIndexSelected, a, &QAction::setEnabled );
 
     /* Create the preset list view */
     QLabel* label_Title = new QLabel( i18n("APG Presets"), this );
     label_Title->setAlignment( Qt::AlignCenter );
 
     Amarok::PrettyTreeView* listView = new Amarok::PrettyTreeView( this );
     listView->setHeaderHidden( true );
     listView->setRootIsDecorated( false );
     listView->setModel( presetmodel );
     listView->setSelectionMode( QAbstractItemView::SingleSelection );
     listView->setFrameShape( QFrame::NoFrame );
     listView->setAutoFillBackground( false );
     connect( listView->selectionModel(), &QItemSelectionModel::currentChanged, this, &APGCategory::activeChanged );
     connect( listView, &Amarok::PrettyTreeView::doubleClicked, presetmodel, &APG::PresetModel::editPreset );
 
     // Speed/Quality tradeoff slider
     QLabel* label_Tradeoff = new QLabel( i18n("Generator Optimization"), this );
     label_Tradeoff->setAlignment( Qt::AlignCenter );
 
     QFrame* qual_Frame = new QFrame( this );
     QLabel* label_Speed = new QLabel( i18n("Speed"), qual_Frame );
     QSlider* qual_Slider = new QSlider( Qt::Horizontal, qual_Frame );
     qual_Slider->setRange( 0, APG::ConstraintSolver::QUALITY_RANGE );
     qual_Slider->setValue( m_qualityFactor );
     connect( qual_Slider, &QSlider::sliderMoved, this, &APGCategory::setQualityFactor );
     QLabel* label_Quality = new QLabel( i18n("Accuracy"), qual_Frame );
 
     QLayout* qf_Layout = new QHBoxLayout( qual_Frame );
     qf_Layout->addWidget( label_Speed );
     qf_Layout->addWidget( qual_Slider );
     qf_Layout->addWidget( label_Quality );
     qual_Frame->setLayout( qf_Layout );
 
     QMetaObject::connectSlotsByName( this );
 }
 
 PlaylistBrowserNS::APGCategory::~APGCategory()
 {
     APG::PresetModel::destroy();
     AmarokConfig::setQualityFactorAPG( m_qualityFactor );
     AmarokConfig::self()->save();
 }
 
 void
 PlaylistBrowserNS::APGCategory::activeChanged( const QModelIndex& index )
 {
     APG::PresetModel::instance()->setActivePreset( index );
     Q_EMIT validIndexSelected( index.isValid() );
 }
 
 void
 PlaylistBrowserNS::APGCategory::setQualityFactor( int f )
 {
     m_qualityFactor = f;
 }
 
 void
 PlaylistBrowserNS::APGCategory::runGenerator()
 {
     APG::PresetModel::instance()->savePresetsToXmlDefault();
     APG::PresetModel::instance()->runGenerator( m_qualityFactor );
 }