File indexing completed on 2025-01-05 04:25:25

 /****************************************************************************************
  * Copyright (c) 2011 Emmanuel Wagner <manu.wagner@sfr.fr>                              *
  *                                                                                      *
  * 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/>.                           *
  ****************************************************************************************/
 
 #define DEBUG_PREFIX "CoverGridApplet"
 
 #include "CoverGridApplet.h"
 
 #include "AlbumItem.h"
 #include "core/support/Amarok.h"
 #include "EngineController.h"
 #include "core/support/Debug.h"
 #include "context/ContextView.h"
 #include "core/collections/Collection.h"
 #include "core/meta/Meta.h"
 #include "core-impl/collections/support/CollectionManager.h"
 #include "playlist/PlaylistModelStack.h"
 #include "playlist/PlaylistController.h"
 
 #include <QAction>
 #include <KColorScheme>
 #include <KConfigDialog>
 #include <KGlobalSettings>
 #include <Plasma/ScrollWidget>
 #include "covermanager/CoverCache.h"
 #include <KStandardDirs>
 
 #include <QGraphicsLinearLayout>
 #include <QGraphicsProxyWidget>
 #include <QGraphicsSimpleTextItem>
 #include <QGraphicsWidget>
 #include <QLabel>
 #include <QPixmap>
 #include <QGraphicsPixmapItem>
 #include <QGraphicsGridLayout>
 
 CoverGridApplet::CoverGridApplet( QObject* parent, const QVariantList& args )
     : Context::Applet( parent, args )
 {
     DEBUG_BLOCK
 
     setHasConfigurationInterface( true );
 }
 
 void
 CoverGridApplet::init()
 {
     // Call the base implementation.
     Context::Applet::init();
     setBackgroundHints( Plasma::Applet::NoBackground );
 
     KConfigGroup config = Amarok::config( "CoverGrid Applet" );
     m_coversize = config.readEntry( "CoverSize", 70 );
 
     QGraphicsLinearLayout* lay = new QGraphicsLinearLayout( Qt::Vertical );
     setLayout( lay );
     m_scroll = new Plasma::ScrollWidget( this );
     m_scroll->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
     m_scroll->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOn );
     m_scroll->show();
 
     m_proxywidget = new QGraphicsProxyWidget( this ) ;
     m_layout = new QGraphicsGridLayout( m_proxywidget );
     m_layout->setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
 
     setSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding );
     // create a scroll Area
     m_scroll->setWidget( m_proxywidget );
     lay->addItem( m_scroll );
 
     Collections::Collection *coll = CollectionManager::instance()->primaryCollection();
     Collections::QueryMaker *qm = coll->queryMaker();
     qm->setAutoDelete( true );
     qm->setQueryType( Collections::QueryMaker::Album );
     qm->orderBy( Meta::valArtist );
 
     connect( qm, SIGNAL(newResultReady(Meta::AlbumList)),
              this, SLOT(slotAlbumQueryResult(Meta::AlbumList)) );
     qm->run();
 }
 
 CoverGridApplet::~CoverGridApplet()
 {
     delete m_proxywidget;
 }
 
 void CoverGridApplet::slotAlbumQueryResult( Meta::AlbumList albums ) //SLOT
 {
     DEBUG_BLOCK
 
     m_album_list = albums;
     prepareLayout();
 }
 
 void CoverGridApplet::createConfigurationInterface( KConfigDialog *parent )
 {
     KConfigGroup configuration = config();
     QWidget * const settings = new QWidget;
     ui_Settings.setupUi( settings );
     if( m_coversize )
         ui_Settings.coversizeSpin->setValue( m_coversize );
     parent->addPage( settings, i18n( "Covergrid Settings" ), "preferences-system" );
     connect( parent, SIGNAL(accepted()), this, SLOT(saveSettings()) );
 }
 bool
 CoverGridApplet::hasHeightForWidth() const
 {
     return false;
 }
 void CoverGridApplet::saveSettings()
 {
     m_coversize = ui_Settings.coversizeSpin->value();
     KConfigGroup config = Amarok::config( "CoverGrid Applet" );
     config.writeEntry( "CoverSize", m_coversize );
     prepareLayout();
 }
 void CoverGridApplet::prepareLayout()
 {
     int nb_prev = m_layout->count();
     for( int i = nb_prev - 1; i >= 0; i-- ) m_layout->removeAt( i );
     m_layout->invalidate();
 
     const int horizontal_size = boundingRect().width();
     int x_pos = 0;
     int y_pos = 0;
     int nb_albums =  m_album_list.size();
     int nbcolumns = horizontal_size / m_coversize;
     for( int index = 0; index < nb_albums; index++ )
     {
         Meta::AlbumPtr album = m_album_list[index];
         QPixmap pixmap;
         if( album->hasImage() )
         {
             pixmap = The::coverCache()->getCover( album, m_coversize );
         }
         else
         {
             pixmap = QPixmap( KStandardDirs::locate( "data", "amarok/images/nocover.png" ) );
             QImage image = pixmap.toImage();
             image = image.scaled( QSize( m_coversize, m_coversize ), Qt::KeepAspectRatio, Qt::SmoothTransformation );
             pixmap = QPixmap::fromImage( image );
         }
 
         QGraphicsProxyWidget* proxywidget = new QGraphicsProxyWidget( this ) ;
 
         AlbumItem *pixmap_widget = new AlbumItem( pixmap, album );
         proxywidget->setWidget( pixmap_widget );
         m_layout->addItem( proxywidget, y_pos, x_pos, 0 );
         x_pos ++;
 
         if( x_pos > nbcolumns )
         {
             x_pos = 0; y_pos++;
         }
     }
     m_layout->activate();
 }