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

 /****************************************************************************************
  * Copyright (c) 2008 Daniel Caleb Jones <danielcjones@gmail.com>                       *
  * Copyright (c) 2009 Mark Kretschmann <kretschmann@kde.org>                            *
  * Copyright (c) 2010,2011 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/>.                           *
  ****************************************************************************************/
 
 #include "DynamicBiasDialog.h"
 
 #include "core/support/Debug.h"
 #include "dynamic/Bias.h"
 #include "dynamic/BiasFactory.h"
 
 #include <QComboBox>
 #include <KLocalizedString>
 
 #include <QDialogButtonBox>
 #include <QGridLayout>
 #include <QHBoxLayout>
 #include <QLabel>
 
 PlaylistBrowserNS::BiasDialog::BiasDialog( const Dynamic::BiasPtr &bias, QWidget* parent )
     : QDialog( parent )
     , m_mainLayout( nullptr )
     , m_biasLayout( nullptr )
     , m_descriptionLabel( nullptr )
     , m_biasWidget( nullptr )
     , m_origBias( bias )
     , m_bias( bias->clone() ) // m_bias is a clone
 {
     setWindowTitle( i18nc( "Bias dialog window title", "Edit bias" ) );
     m_mainLayout = new QVBoxLayout( this );
 
 
     // -- the bias selection combo
     QLabel* selectionLabel = new QLabel( i18nc("Bias selection label in bias view.", "Match Type:" ) );
     m_biasSelection = new QComboBox();
     QHBoxLayout *selectionLayout = new QHBoxLayout();
     selectionLabel->setBuddy( m_biasSelection );
     selectionLayout->addWidget( selectionLabel );
     selectionLayout->addWidget( m_biasSelection );
     selectionLayout->addStretch( 1 );
     m_mainLayout->addLayout( selectionLayout );
 
     // -- bias itself
     m_descriptionLabel = new QLabel( QLatin1String("") );
     m_descriptionLabel->setWordWrap( true );
     m_mainLayout->addWidget( m_descriptionLabel );
 
     m_biasLayout = new QVBoxLayout();
     m_mainLayout->addLayout( m_biasLayout );
 
     // -- button box
     QDialogButtonBox* buttonBox = new QDialogButtonBox( QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this );
     m_mainLayout->addWidget( buttonBox );
 
     factoriesChanged();
     biasReplaced( Dynamic::BiasPtr(), m_bias );
 
     connect( Dynamic::BiasFactory::instance(), &Dynamic::BiasFactory::changed,
              this, &PlaylistBrowserNS::BiasDialog::factoriesChanged );
     connect( m_biasSelection, QOverload<int>::of(&QComboBox::activated),
              this, &PlaylistBrowserNS::BiasDialog::selectionChanged );
     connect(buttonBox, &QDialogButtonBox::accepted,
             this, &PlaylistBrowserNS::BiasDialog::accept);
     connect(buttonBox, &QDialogButtonBox::rejected,
             this, &PlaylistBrowserNS::BiasDialog::reject);
 }
 
 void PlaylistBrowserNS::BiasDialog::accept()
 {
     // use the newly edited bias
     m_origBias->replace( m_bias ); // tell the old bias it has just been replaced
     QDialog::accept();
 }
 
 void PlaylistBrowserNS::BiasDialog::reject()
 {
     // do nothing.
     QDialog::reject();
 }
 
 PlaylistBrowserNS::BiasDialog::~BiasDialog()
 { }
 
 void
 PlaylistBrowserNS::BiasDialog::factoriesChanged()
 {
     m_biasSelection->clear();
 
     disconnect( Dynamic::BiasFactory::instance(), &Dynamic::BiasFactory::changed,
                 this, &PlaylistBrowserNS::BiasDialog::factoriesChanged );
 
     // -- add all the bias types to the list
     bool factoryFound = false;
     QList<Dynamic::AbstractBiasFactory*> factories = Dynamic::BiasFactory::factories();
     for( int i = 0; i <  factories.count(); i++ )
     {
         Dynamic::AbstractBiasFactory* factory = factories.at( i );
         m_biasSelection->addItem( factory->i18nName(), QVariant( factory->name() ) );
 
         // -- set the current index if we have found our own factory
         if( m_bias && factory->name() == m_bias->name() )
         {
             factoryFound = true;
             m_biasSelection->setCurrentIndex( i );
             m_descriptionLabel->setText( factory->i18nDescription() );
         }
     }
 
     // -- In cases of replacement bias
     if( !factoryFound )
     {
         m_biasSelection->addItem( m_bias->name() );
         m_biasSelection->setCurrentIndex( m_biasSelection->count() - 1 );
         m_descriptionLabel->setText( i18n( "This bias is a replacement for another bias\n"
                                          "which is currently not loaded or deactivated.\n"
                                          "The original bias name was %1.", m_bias->name() ) );
     }
 
     connect( Dynamic::BiasFactory::instance(), &Dynamic::BiasFactory::changed,
              this, &PlaylistBrowserNS::BiasDialog::factoriesChanged );
 }
 
 void
 PlaylistBrowserNS::BiasDialog::selectionChanged( int index )
 {
     DEBUG_BLOCK;
     Q_ASSERT( m_biasSelection );
 
     QString biasName = m_biasSelection->itemData( index ).toString();
 
     Dynamic::BiasPtr oldBias( m_bias );
     Dynamic::BiasPtr newBias( Dynamic::BiasFactory::fromName( biasName ) );
     if( !newBias )
     {
         warning() << "Could not create bias with name:"<<biasName;
         return;
     }
 
     debug() << "replace bias" << oldBias->toString() << "with" << newBias->toString();
     m_bias->replace( newBias ); // tell the old bias it has just been replaced
     debug() << "replaced";
 
     // -- if the new bias is AndBias, try to add the old biase(s) into it
     Dynamic::AndBias *oldABias = qobject_cast<Dynamic::AndBias*>(oldBias.data());
     Dynamic::AndBias *newABias = qobject_cast<Dynamic::AndBias*>(newBias.data());
     if( newABias ) {
         if( oldABias ) {
             for( int i = 0; i < oldABias->biases().count(); i++ )
             {
                 newABias->appendBias( oldABias->biases()[i] );
             }
         }
         else
         {
             newABias->appendBias( oldBias );
         }
     }
 }
 
 void
 PlaylistBrowserNS::BiasDialog::biasReplaced( const Dynamic::BiasPtr &oldBias, Dynamic::BiasPtr newBias )
 {
     Q_UNUSED( oldBias );
 
     if( m_biasWidget )
     {
         m_biasLayout->removeWidget( m_biasWidget );
         m_biasWidget->deleteLater();
         m_biasWidget = nullptr;
     }
 
     m_bias = newBias;
     if( !newBias )
         return;
 
     connect( newBias.data(), &Dynamic::AbstractBias::replaced,
              this, &PlaylistBrowserNS::BiasDialog::biasReplaced );
 
     m_biasWidget = newBias->widget( nullptr );
     if( !m_biasWidget )
         m_biasWidget = new QLabel( i18n("This bias has no settings.") );
     m_biasLayout->addWidget( m_biasWidget );
 
     factoriesChanged(); // update the bias description and select the new combo entry
 }