git.sesse.net Git - vlc/blob - modules/gui/qt4/components/playlist/standardpanel.cpp

   1 /*****************************************************************************
   2  * standardpanel.cpp : The "standard" playlist panel : just a treeview
   3  ****************************************************************************
   4  * Copyright © 2000-2010 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Clément Stenac <zorglub@videolan.org>
   8  *          Jean-Baptiste Kempf <jb@videolan.org>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License as published by
  12  * the Free Software Foundation; either version 2 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  * GNU General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU General Public License
  21  * along with this program; if not, write to the Free Software
  22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #ifdef HAVE_CONFIG_H
  26 # include "config.h"
  27 #endif
  28
  29 #include "components/playlist/standardpanel.hpp"
  30
  31 #include "components/playlist/vlc_model.hpp"      /* VLCModel */
  32 #include "components/playlist/playlist_model.hpp" /* PLModel */
  33 #include "components/playlist/ml_model.hpp"       /* MLModel */
  34 #include "components/playlist/views.hpp"          /* 3 views */
  35 #include "components/playlist/selector.hpp"       /* PLSelector */
  36 #include "util/customwidgets.hpp"                 /* PixmapAnimator */
  37 #include "menus.hpp"                              /* Popup */
  38 #include "input_manager.hpp"                      /* THEMIM */
  39 #include "dialogs_provider.hpp"                   /* THEDP */
  40 #include "recents.hpp"                            /* RecentMRL */
  41 #include "dialogs/playlist.hpp"                   /* Playlist Dialog */
  42 #include "dialogs/mediainfo.hpp"                  /* MediaInfoDialog */
  43 #include "util/qt_dirs.hpp"
  44
  45 #include <vlc_services_discovery.h>               /* SD_CMD_SEARCH */
  46 #include <vlc_intf_strings.h>                     /* POP_ */
  47
  48 #define I_NEW_DIR \
  49     I_DIR_OR_FOLDER( N_("Create Directory"), N_( "Create Folder" ) )
  50 #define I_NEW_DIR_NAME \
  51     I_DIR_OR_FOLDER( N_( "Enter name for new directory:" ), \
  52                      N_( "Enter name for new folder:" ) )
  53
  54 #define I_RENAME_DIR \
  55     I_DIR_OR_FOLDER( N_("Rename Directory"), N_( "Rename Folder" ) )
  56 #define I_RENAME_DIR_NAME \
  57     I_DIR_OR_FOLDER( N_( "Enter a new name for the directory:" ), \
  58                      N_( "Enter a new name for the folder:" ) )
  59
  60 #include <QHeaderView>
  61 #include <QMenu>
  62 #include <QKeyEvent>
  63 #include <QWheelEvent>
  64 #include <QStackedLayout>
  65 #include <QSignalMapper>
  66 #include <QSettings>
  67 #include <QStylePainter>
  68 #include <QInputDialog>
  69 #include <QDesktopServices>
  70 #include <QUrl>
  71 #include <QFont>
  72
  73 #include <assert.h>
  74
  75 /* local helper */
  76 inline QModelIndex popupIndex( QAbstractItemView *view );
  77
  78 StandardPLPanel::StandardPLPanel( PlaylistWidget *_parent,
  79                                   intf_thread_t *_p_intf,
  80                                   playlist_item_t *p_root,
  81                                   PLSelector *_p_selector,
  82                                   VLCProxyModel *_p_model )
  83                 : QWidget( _parent ),
  84                   model( _p_model ),
  85                   p_intf( _p_intf ),
  86                   p_selector( _p_selector )
  87 {
  88     viewStack = new QStackedLayout( this );
  89     viewStack->setSpacing( 0 ); viewStack->setMargin( 0 );
  90     setMinimumWidth( 300 );
  91
  92     iconView    = NULL;
  93     treeView    = NULL;
  94     listView    = NULL;
  95     picFlowView = NULL;
  96
  97     currentRootIndexPLId  = -1;
  98     lastActivatedPLItemId     = -1;
  99
 100     QList<QString> frames;
 101     frames << ":/util/wait1";
 102     frames << ":/util/wait2";
 103     frames << ":/util/wait3";
 104     frames << ":/util/wait4";
 105     spinnerAnimation = new PixmapAnimator( this, frames );
 106     CONNECT( spinnerAnimation, pixmapReady( const QPixmap & ), this, updateViewport() );
 107
 108     /* Saved Settings */
 109     int i_savedViewMode = getSettings()->value( "Playlist/view-mode", TREE_VIEW ).toInt();
 110     i_zoom = getSettings()->value( "Playlist/zoom", 0 ).toInt();
 111
 112     showView( i_savedViewMode );
 113
 114     DCONNECT( THEMIM, leafBecameParent( int ),
 115               this, browseInto( int ) );
 116
 117     CONNECT( model->sigs, currentIndexChanged( const QModelIndex& ),
 118              this, handleExpansion( const QModelIndex& ) );
 119     CONNECT( model->sigs, rootIndexChanged(), this, browseInto() );
 120
 121     setRootItem( p_root, false );
 122 }
 123
 124 StandardPLPanel::~StandardPLPanel()
 125 {
 126     getSettings()->beginGroup("Playlist");
 127     if( treeView )
 128         getSettings()->setValue( "headerStateV2", treeView->header()->saveState() );
 129     getSettings()->setValue( "view-mode", currentViewIndex() );
 130     getSettings()->setValue( "zoom", i_zoom );
 131     getSettings()->endGroup();
 132 }
 133
 134 /* Unused anymore, but might be useful, like in right-click menu */
 135 void StandardPLPanel::gotoPlayingItem()
 136 {
 137     currentView->scrollTo( model->currentIndex() );
 138 }
 139
 140 void StandardPLPanel::handleExpansion( const QModelIndex& index )
 141 {
 142     assert( currentView );
 143     if( currentRootIndexPLId != -1 && currentRootIndexPLId != model->itemId( index.parent(), PLAYLIST_ID ) )
 144         browseInto( index.parent() );
 145     currentView->scrollTo( index );
 146 }
 147
 148 void StandardPLPanel::popupPlView( const QPoint &point )
 149 {
 150     QPoint globalPoint = currentView->viewport()->mapToGlobal( point );
 151     QModelIndex index = currentView->indexAt( point );
 152     if ( !index.isValid() )
 153     {
 154         currentView->clearSelection();
 155     }
 156     else if ( ! currentView->selectionModel()->selectedIndexes().contains( index ) )
 157     {
 158         currentView->selectionModel()->select( index, QItemSelectionModel::Select );
 159     }
 160
 161     if( !popup( globalPoint ) ) VLCMenuBar::PopupMenu( p_intf, true );
 162 }
 163
 164 /*********** Popup *********/
 165 bool StandardPLPanel::popup( const QPoint &point )
 166 {
 167     QModelIndex index = popupIndex( currentView ); /* index for menu logic only. Do not store.*/
 168     VLCProxyModel *model = qobject_cast<VLCProxyModel *>(currentView->model());
 169
 170 #define ADD_MENU_ENTRY( icon, title, act ) \
 171     if ( model->isSupportedAction( act, index ) )\
 172     {\
 173     action = menu.addAction( icon, title ); \
 174     container.action = act; \
 175     action->setData( QVariant::fromValue( container ) );\
 176     }
 177
 178     /* */
 179     QMenu menu;
 180     QAction *action;
 181     VLCModelSubInterface::actionsContainerType container;
 182
 183     /* Play/Stream/Info static actions */
 184
 185     ADD_MENU_ENTRY( QIcon( ":/menu/play" ), qtr(I_POP_PLAY),
 186                     VLCModelSubInterface::ACTION_PLAY )
 187
 188     ADD_MENU_ENTRY( QIcon( ":/menu/stream" ), qtr(I_POP_STREAM),
 189                     VLCModelSubInterface::ACTION_STREAM )
 190
 191     ADD_MENU_ENTRY( QIcon(), qtr(I_POP_SAVE),
 192                     VLCModelSubInterface::ACTION_SAVE );
 193
 194     ADD_MENU_ENTRY( QIcon( ":/menu/info" ), qtr(I_POP_INFO),
 195                     VLCModelSubInterface::ACTION_INFO );
 196
 197     menu.addSeparator();
 198
 199     ADD_MENU_ENTRY( QIcon( ":/type/folder-grey" ), qtr(I_POP_EXPLORE),
 200                     VLCModelSubInterface::ACTION_EXPLORE );
 201
 202     QIcon addIcon( ":/buttons/playlist/playlist_add" );
 203
 204     ADD_MENU_ENTRY( addIcon, qtr(I_POP_NEWFOLDER),
 205                     VLCModelSubInterface::ACTION_CREATENODE )
 206
 207     ADD_MENU_ENTRY( QIcon(), qtr(I_POP_RENAMEFOLDER),
 208                     VLCModelSubInterface::ACTION_RENAMENODE )
 209
 210     menu.addSeparator();
 211     /* In PL or ML, allow to add a file/folder */
 212     ADD_MENU_ENTRY( addIcon, qtr(I_PL_ADDF),
 213                     VLCModelSubInterface::ACTION_ENQUEUEFILE )
 214
 215     ADD_MENU_ENTRY( addIcon, qtr(I_PL_ADDDIR),
 216                     VLCModelSubInterface::ACTION_ENQUEUEDIR )
 217
 218     ADD_MENU_ENTRY( addIcon, qtr(I_OP_ADVOP),
 219                     VLCModelSubInterface::ACTION_ENQUEUEGENERIC )
 220
 221     ADD_MENU_ENTRY( QIcon(), qtr(I_PL_ADDPL),
 222                     VLCModelSubInterface::ACTION_ADDTOPLAYLIST );
 223
 224     menu.addSeparator();
 225
 226     /* Item removal */
 227
 228     ADD_MENU_ENTRY( QIcon( ":/buttons/playlist/playlist_remove" ), qtr(I_POP_DEL),
 229                     VLCModelSubInterface::ACTION_REMOVE );
 230
 231     ADD_MENU_ENTRY( QIcon( ":/toolbar/clear" ), qtr("Clear the playlist"),
 232                     VLCModelSubInterface::ACTION_CLEAR );
 233
 234     menu.addSeparator();
 235
 236     /* Playlist sorting */
 237     if ( model->isSupportedAction( VLCModelSubInterface::ACTION_SORT, index ) )
 238     {
 239         QMenu *sortingMenu = new QMenu( qtr( "Sort by" ) );
 240         /* Choose what columns to show in sorting menu, not sure if this should be configurable*/
 241         QList<int> sortingColumns;
 242         sortingColumns << COLUMN_TITLE << COLUMN_ARTIST << COLUMN_ALBUM << COLUMN_TRACK_NUMBER << COLUMN_URI;
 243         container.action = VLCModelSubInterface::ACTION_SORT;
 244         foreach( int Column, sortingColumns )
 245         {
 246             action = sortingMenu->addAction( qfu( psz_column_title( Column ) ) + " " + qtr("Ascending") );
 247             container.column = model->columnFromMeta(Column) + 1;
 248             action->setData( QVariant::fromValue( container ) );
 249
 250             action = sortingMenu->addAction( qfu( psz_column_title( Column ) ) + " " + qtr("Descending") );
 251             container.column = -1 * (model->columnFromMeta(Column)+1);
 252             action->setData( QVariant::fromValue( container ) );
 253         }
 254         menu.addMenu( sortingMenu );
 255     }
 256
 257     /* Zoom */
 258     QMenu *zoomMenu = new QMenu( qtr( "Display size" ) );
 259     zoomMenu->addAction( qtr( "Increase" ), this, SLOT( increaseZoom() ) );
 260     zoomMenu->addAction( qtr( "Decrease" ), this, SLOT( decreaseZoom() ) );
 261     menu.addMenu( zoomMenu );
 262
 263     CONNECT( &menu, triggered( QAction * ), this, popupAction( QAction * ) );
 264
 265     menu.addMenu( StandardPLPanel::viewSelectionMenu( this ) );
 266
 267     /* Display and forward the result */
 268     if( !menu.isEmpty() )
 269     {
 270         menu.exec( point ); return true;
 271     }
 272     else return false;
 273
 274 #undef ADD_MENU_ENTRY
 275 }
 276
 277 void StandardPLPanel::popupAction( QAction *action )
 278 {
 279     VLCProxyModel *model = qobject_cast<VLCProxyModel *>(currentView->model());
 280     VLCModelSubInterface::actionsContainerType a =
 281             action->data().value<VLCModelSubInterface::actionsContainerType>();
 282     QModelIndexList list = currentView->selectionModel()->selectedRows();
 283     QModelIndex index = popupIndex( currentView );
 284     char *path = NULL;
 285     OpenDialog *dialog;
 286     QString temp;
 287     QStringList uris;
 288     bool ok;
 289
 290     /* first try to complete actions requiring missing parameters thru UI dialogs */
 291     switch( a.action )
 292     {
 293     case VLCModelSubInterface::ACTION_INFO:
 294         /* locally handled only */
 295         if( index.isValid() )
 296         {
 297             input_item_t* p_input = model->getInputItem( index );
 298             MediaInfoDialog *mid = new MediaInfoDialog( p_intf, p_input );
 299             mid->setParent( PlaylistDialog::getInstance( p_intf ),
 300                             Qt::Dialog );
 301             mid->show();
 302         }
 303         break;
 304
 305     case VLCModelSubInterface::ACTION_EXPLORE:
 306         /* locally handled only */
 307         temp = model->getURI( index );
 308         if( ! temp.isEmpty() ) path = make_path( temp.toLatin1().constData() );
 309         if( path == NULL ) return;
 310         QDesktopServices::openUrl(
 311                     QUrl::fromLocalFile( QFileInfo( qfu( path ) ).absolutePath() ) );
 312         free( path );
 313         break;
 314
 315     case VLCModelSubInterface::ACTION_STREAM:
 316         /* locally handled only */
 317         temp = model->getURI( index );
 318         if ( ! temp.isEmpty() )
 319             THEDP->streamingDialog( NULL, temp, false );
 320         break;
 321
 322     case VLCModelSubInterface::ACTION_SAVE:
 323         /* locally handled only */
 324         temp = model->getURI( index );
 325         if ( ! temp.isEmpty() )
 326             THEDP->streamingDialog( NULL, temp );
 327         break;
 328
 329     case VLCModelSubInterface::ACTION_CREATENODE:
 330         temp = QInputDialog::getText( PlaylistDialog::getInstance( p_intf ),
 331             qtr( I_NEW_DIR ), qtr( I_NEW_DIR_NAME ),
 332             QLineEdit::Normal, QString(), &ok);
 333         if ( !ok ) return;
 334         model->createNode( index, temp );
 335         break;
 336
 337     case VLCModelSubInterface::ACTION_RENAMENODE:
 338         temp = QInputDialog::getText( PlaylistDialog::getInstance( p_intf ),
 339             qtr( I_RENAME_DIR ), qtr( I_RENAME_DIR_NAME ),
 340             QLineEdit::Normal, model->getTitle( index ), &ok);
 341         if ( !ok ) return;
 342         model->renameNode( index, temp );
 343         break;
 344
 345     case VLCModelSubInterface::ACTION_ENQUEUEFILE:
 346         uris = THEDP->showSimpleOpen();
 347         if ( uris.isEmpty() ) return;
 348         uris.sort();
 349         foreach( const QString &file, uris )
 350             a.uris << qtu( toURI( toNativeSeparators( file ) ) );
 351         action->setData( QVariant::fromValue( a ) );
 352         if ( model->action( action, list ) )
 353             foreach( const QString &file, a.uris )
 354                 RecentsMRL::getInstance( p_intf )->addRecent( file );
 355         break;
 356
 357     case VLCModelSubInterface::ACTION_ENQUEUEDIR:
 358         temp = THEDP->getDirectoryDialog();
 359         if ( temp.isEmpty() ) return;
 360         a.uris << temp;
 361         action->setData( QVariant::fromValue( a ) );
 362         model->action( action, list );
 363         break;
 364
 365     case VLCModelSubInterface::ACTION_ENQUEUEGENERIC:
 366         dialog = OpenDialog::getInstance( this, p_intf, false, SELECT, true, true );
 367         dialog->showTab( OPEN_FILE_TAB );
 368         dialog->exec(); /* make it modal */
 369         a.uris = dialog->getMRLs( false );
 370         a.options = dialog->getOptions();
 371         if ( a.uris.isEmpty() ) return;
 372         action->setData( QVariant::fromValue( a ) );
 373         if ( model->action( action, list ) )
 374             foreach( const QString &file, a.uris )
 375                 RecentsMRL::getInstance( p_intf )->addRecent( file );
 376         break;
 377
 378     default:
 379         model->action( action, list );
 380     }
 381 }
 382
 383 QMenu* StandardPLPanel::viewSelectionMenu( StandardPLPanel *panel )
 384 {
 385     QMenu *viewMenu = new QMenu( qtr( "Playlist View Mode" ) );
 386     QSignalMapper *viewSelectionMapper = new QSignalMapper( viewMenu );
 387     CONNECT( viewSelectionMapper, mapped( int ), panel, showView( int ) );
 388
 389     QActionGroup *viewGroup = new QActionGroup( viewMenu );
 390 # define MAX_VIEW StandardPLPanel::VIEW_COUNT
 391     for( int i = 0; i < MAX_VIEW; i++ )
 392     {
 393         QAction *action = viewMenu->addAction( viewNames[i] );
 394         action->setCheckable( true );
 395         viewGroup->addAction( action );
 396         viewSelectionMapper->setMapping( action, i );
 397         CONNECT( action, triggered(), viewSelectionMapper, map() );
 398         if( panel->currentViewIndex() == i )
 399             action->setChecked( true );
 400     }
 401     return viewMenu;
 402 }
 403
 404 inline QModelIndex popupIndex( QAbstractItemView *view )
 405 {
 406     QModelIndexList list = view->selectionModel()->selectedIndexes();
 407     if ( list.isEmpty() )
 408         return QModelIndex();
 409     else
 410         return list.first();
 411 }
 412
 413 void StandardPLPanel::popupSelectColumn( QPoint )
 414 {
 415     QMenu menu;
 416     assert( treeView );
 417
 418     /* We do not offer the option to hide index 0 column, or
 419      * QTreeView will behave weird */
 420     for( int i = 1 << 1, j = 1; i < COLUMN_END; i <<= 1, j++ )
 421     {
 422         QAction* option = menu.addAction( qfu( psz_column_title( i ) ) );
 423         option->setCheckable( true );
 424         option->setChecked( !treeView->isColumnHidden( j ) );
 425         selectColumnsSigMapper->setMapping( option, j );
 426         CONNECT( option, triggered(), selectColumnsSigMapper, map() );
 427     }
 428     menu.exec( QCursor::pos() );
 429 }
 430
 431 void StandardPLPanel::toggleColumnShown( int i )
 432 {
 433     treeView->setColumnHidden( i, !treeView->isColumnHidden( i ) );
 434 }
 435
 436 /* Search in the playlist */
 437 void StandardPLPanel::search( const QString& searchText )
 438 {
 439     int type;
 440     QString name;
 441     bool can_search;
 442     p_selector->getCurrentItemInfos( &type, &can_search, &name );
 443
 444     if( type != SD_TYPE || !can_search )
 445     {
 446         bool flat = ( currentView == iconView ||
 447                       currentView == listView ||
 448                       currentView == picFlowView );
 449         model->filter( searchText,
 450                        flat ? currentView->rootIndex() : QModelIndex(),
 451                        !flat );
 452     }
 453 }
 454
 455 void StandardPLPanel::searchDelayed( const QString& searchText )
 456 {
 457     int type;
 458     QString name;
 459     bool can_search;
 460     p_selector->getCurrentItemInfos( &type, &can_search, &name );
 461
 462     if( type == SD_TYPE && can_search )
 463     {
 464         if( !name.isEmpty() && !searchText.isEmpty() )
 465             playlist_ServicesDiscoveryControl( THEPL, qtu( name ), SD_CMD_SEARCH,
 466                                               qtu( searchText ) );
 467     }
 468 }
 469
 470 /* Set the root of the new Playlist */
 471 /* This activated by the selector selection */
 472 void StandardPLPanel::setRootItem( playlist_item_t *p_item, bool b )
 473 {
 474 #ifdef SQL_MEDIA_LIBRARY
 475     if( b )
 476     {
 477         msg_Dbg( p_intf, "Setting the SQL ML" );
 478         if ( model->switchToModel( VLCProxyModel::SQLML_MODEL ) )
 479             currentView->setModel( model );
 480     }
 481     else
 482 #else
 483     Q_UNUSED( b );
 484 #endif
 485     {
 486         if ( model->switchToModel( VLCProxyModel::PL_MODEL ) )
 487             model->rebuild( p_item );
 488     }
 489 }
 490
 491 void StandardPLPanel::browseInto( const QModelIndex &index )
 492 {
 493     if( currentView == iconView || currentView == listView || currentView == picFlowView )
 494     {
 495
 496         currentView->setRootIndex( index );
 497
 498         /* When going toward root in LocationBar, scroll to the item
 499            that was previously as root */
 500         QModelIndex newIndex = model->indexByPLID(currentRootIndexPLId,0);
 501         while( newIndex.isValid() && (newIndex.parent() != index) )
 502             newIndex = newIndex.parent();
 503         if( newIndex.isValid() )
 504             currentView->scrollTo( newIndex );
 505
 506         /* Store new rootindexid*/
 507         currentRootIndexPLId = model->itemId( index, PLAYLIST_ID );
 508
 509         model->ensureArtRequested( index );
 510     }
 511
 512     emit viewChanged( index );
 513 }
 514
 515 void StandardPLPanel::browseInto()
 516 {
 517     browseInto( (currentRootIndexPLId != -1 && currentView != treeView) ?
 518                  model->indexByPLID( currentRootIndexPLId, 0 ) :
 519                  QModelIndex() );
 520 }
 521
 522 void StandardPLPanel::wheelEvent( QWheelEvent *e )
 523 {
 524     if( e->modifiers() & Qt::ControlModifier ) {
 525         int numSteps = e->delta() / 8 / 15;
 526         if( numSteps > 0)
 527             increaseZoom();
 528         else if( numSteps < 0)
 529             decreaseZoom();
 530     }
 531     // Accept this event in order to prevent unwanted volume up/down changes
 532     e->accept();
 533 }
 534
 535 bool StandardPLPanel::eventFilter ( QObject *obj, QEvent * event )
 536 {
 537     if (event->type() == QEvent::KeyPress)
 538     {
 539         QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
 540         if( keyEvent->key() == Qt::Key_Delete ||
 541             keyEvent->key() == Qt::Key_Backspace )
 542         {
 543             deleteSelection();
 544             return true;
 545         }
 546     }
 547     else if ( event->type() == QEvent::Paint )
 548     {/* Warn! Don't filter events from anything else than views ! */
 549         if ( model->rowCount() == 0 && p_selector->getCurrentItemCategory() == PL_ITEM_TYPE )
 550         {
 551             QWidget *viewport = qobject_cast<QWidget *>( obj );
 552             QStylePainter painter( viewport );
 553             QPixmap dropzone(":/dropzone");
 554             QRect rect = viewport->geometry();
 555             QSize size = rect.size() / 2 - dropzone.size() / 2;
 556             rect.adjust( 0, size.height(), 0 , 0 );
 557             painter.drawItemPixmap( rect, Qt::AlignHCenter, dropzone );
 558             /* now select the zone just below the drop zone and let Qt center
 559                the text by itself */
 560             rect.adjust( 0, dropzone.size().height() + 10, 0, 0 );
 561             rect.setRight( viewport->geometry().width() );
 562             rect.setLeft( 0 );
 563             painter.drawItemText( rect,
 564                                   Qt::AlignHCenter,
 565                                   palette(),
 566                                   true,
 567                                   qtr("Playlist is currently empty.\n"
 568                                       "Drop a file here or select a "
 569                                       "media source from the left."),
 570                                   QPalette::Text );
 571         }
 572         else if ( spinnerAnimation->state() == PixmapAnimator::Running )
 573         {
 574             if ( currentView->model()->rowCount() )
 575                 spinnerAnimation->stop(); /* Trick until SD emits events */
 576             else
 577             {
 578                 QWidget *viewport = qobject_cast<QWidget *>( obj );
 579                 QStylePainter painter( viewport );
 580                 QPixmap *spinner = spinnerAnimation->getPixmap();
 581                 QPoint point = viewport->geometry().center();
 582                 point -= QPoint( spinner->size().width() / 2, spinner->size().height() / 2 );
 583                 painter.drawPixmap( point, *spinner );
 584             }
 585         }
 586     }
 587     return false;
 588 }
 589
 590 void StandardPLPanel::deleteSelection()
 591 {
 592     QModelIndexList list = currentView->selectionModel()->selectedIndexes();
 593     model->doDelete( list );
 594 }
 595
 596 void StandardPLPanel::createIconView()
 597 {
 598     iconView = new PlIconView( model, this );
 599     iconView->setContextMenuPolicy( Qt::CustomContextMenu );
 600     CONNECT( iconView, customContextMenuRequested( const QPoint & ),
 601              this, popupPlView( const QPoint & ) );
 602     CONNECT( iconView, activated( const QModelIndex & ),
 603              this, activate( const QModelIndex & ) );
 604     iconView->installEventFilter( this );
 605     iconView->viewport()->installEventFilter( this );
 606     viewStack->addWidget( iconView );
 607 }
 608
 609 void StandardPLPanel::createListView()
 610 {
 611     listView = new PlListView( model, this );
 612     listView->setContextMenuPolicy( Qt::CustomContextMenu );
 613     CONNECT( listView, customContextMenuRequested( const QPoint & ),
 614              this, popupPlView( const QPoint & ) );
 615     CONNECT( listView, activated( const QModelIndex & ),
 616              this, activate( const QModelIndex & ) );
 617     listView->installEventFilter( this );
 618     listView->viewport()->installEventFilter( this );
 619     viewStack->addWidget( listView );
 620 }
 621
 622 void StandardPLPanel::createCoverView()
 623 {
 624     picFlowView = new PicFlowView( model, this );
 625     picFlowView->setContextMenuPolicy( Qt::CustomContextMenu );
 626     CONNECT( picFlowView, customContextMenuRequested( const QPoint & ),
 627              this, popupPlView( const QPoint & ) );
 628     CONNECT( picFlowView, activated( const QModelIndex & ),
 629              this, activate( const QModelIndex & ) );
 630     viewStack->addWidget( picFlowView );
 631     picFlowView->installEventFilter( this );
 632 }
 633
 634 void StandardPLPanel::createTreeView()
 635 {
 636     /* Create and configure the QTreeView */
 637     treeView = new PlTreeView( model, this );
 638
 639     /* setModel after setSortingEnabled(true), or the model will sort immediately! */
 640
 641     /* Connections for the TreeView */
 642     CONNECT( treeView, activated( const QModelIndex& ),
 643              this, activate( const QModelIndex& ) );
 644     CONNECT( treeView->header(), customContextMenuRequested( const QPoint & ),
 645              this, popupSelectColumn( QPoint ) );
 646     CONNECT( treeView, customContextMenuRequested( const QPoint & ),
 647              this, popupPlView( const QPoint & ) );
 648     treeView->installEventFilter( this );
 649     treeView->viewport()->installEventFilter( this );
 650
 651     /* SignalMapper for columns */
 652     selectColumnsSigMapper = new QSignalMapper( this );
 653     CONNECT( selectColumnsSigMapper, mapped( int ),
 654              this, toggleColumnShown( int ) );
 655
 656     viewStack->addWidget( treeView );
 657 }
 658
 659 void StandardPLPanel::updateZoom( int i )
 660 {
 661     if ( i < 5 - QApplication::font().pointSize() ) return;
 662     if ( i > 3 + QApplication::font().pointSize() ) return;
 663     i_zoom = i;
 664 #define A_ZOOM( view ) \
 665     if ( view ) \
 666     qobject_cast<AbstractPlViewItemDelegate*>( view->itemDelegate() )->setZoom( i_zoom )
 667     /* Can't iterate as picflow & tree aren't using custom delegate */
 668     A_ZOOM( iconView );
 669     A_ZOOM( listView );
 670 #undef A_ZOOM
 671 }
 672
 673 void StandardPLPanel::showView( int i_view )
 674 {
 675     bool b_treeViewCreated = false;
 676
 677     switch( i_view )
 678     {
 679     case ICON_VIEW:
 680     {
 681         if( iconView == NULL )
 682             createIconView();
 683         currentView = iconView;
 684         break;
 685     }
 686     case LIST_VIEW:
 687     {
 688         if( listView == NULL )
 689             createListView();
 690         currentView = listView;
 691         break;
 692     }
 693     case PICTUREFLOW_VIEW:
 694     {
 695         if( picFlowView == NULL )
 696             createCoverView();
 697         currentView = picFlowView;
 698         break;
 699     }
 700     default:
 701     case TREE_VIEW:
 702     {
 703         if( treeView == NULL )
 704         {
 705             createTreeView();
 706             b_treeViewCreated = true;
 707         }
 708         currentView = treeView;
 709         break;
 710     }
 711     }
 712
 713     currentView->setModel( model );
 714
 715     /* Restoring the header Columns must come after changeModel */
 716     if( b_treeViewCreated )
 717     {
 718         assert( treeView );
 719         if( getSettings()->contains( "Playlist/headerStateV2" ) )
 720         {
 721             treeView->header()->restoreState(getSettings()
 722                     ->value( "Playlist/headerStateV2" ).toByteArray() );
 723             /* if there is allready stuff in playlist, we don't sort it and we reset
 724                sorting */
 725             if( model->rowCount() )
 726             {
 727                 treeView->header()->setSortIndicator( -1 , Qt::AscendingOrder );
 728             }
 729         }
 730         else
 731         {
 732             for( int m = 1, c = 0; m != COLUMN_END; m <<= 1, c++ )
 733             {
 734                 treeView->setColumnHidden( c, !( m & COLUMN_DEFAULT ) );
 735                 if( m == COLUMN_TITLE ) treeView->header()->resizeSection( c, 200 );
 736                 else if( m == COLUMN_DURATION ) treeView->header()->resizeSection( c, 80 );
 737             }
 738         }
 739     }
 740
 741     updateZoom( i_zoom );
 742     viewStack->setCurrentWidget( currentView );
 743     browseInto();
 744     gotoPlayingItem();
 745 }
 746
 747 void StandardPLPanel::setWaiting( bool b )
 748 {
 749     if ( b )
 750     {
 751         spinnerAnimation->setLoopCount( 20 ); /* Trick until SD emits an event */
 752         spinnerAnimation->start();
 753     }
 754     else
 755         spinnerAnimation->stop();
 756 }
 757
 758 void StandardPLPanel::updateViewport()
 759 {
 760     /* A single update on parent widget won't work */
 761     currentView->viewport()->repaint();
 762 }
 763
 764 int StandardPLPanel::currentViewIndex() const
 765 {
 766     if( currentView == treeView )
 767         return TREE_VIEW;
 768     else if( currentView == iconView )
 769         return ICON_VIEW;
 770     else if( currentView == listView )
 771         return LIST_VIEW;
 772     else
 773         return PICTUREFLOW_VIEW;
 774 }
 775
 776 void StandardPLPanel::cycleViews()
 777 {
 778     if( currentView == iconView )
 779         showView( TREE_VIEW );
 780     else if( currentView == treeView )
 781         showView( LIST_VIEW );
 782     else if( currentView == listView )
 783 #ifndef NDEBUG
 784         showView( PICTUREFLOW_VIEW  );
 785     else if( currentView == picFlowView )
 786 #endif
 787         showView( ICON_VIEW );
 788     else
 789         assert( 0 );
 790 }
 791
 792 void StandardPLPanel::activate( const QModelIndex &index )
 793 {
 794     if( currentView->model() == model )
 795     {
 796         /* If we are not a leaf node */
 797         if( !index.data( VLCModelSubInterface::IsLeafNodeRole ).toBool() )
 798         {
 799             if( currentView != treeView )
 800                 browseInto( index );
 801         }
 802         else
 803         {
 804             playlist_Lock( THEPL );
 805             playlist_item_t *p_item = playlist_ItemGetById( THEPL, model->itemId( index, PLAYLIST_ID ) );
 806             if ( p_item )
 807             {
 808                 p_item->i_flags |= PLAYLIST_SUBITEM_STOP_FLAG;
 809                 lastActivatedPLItemId = p_item->i_id;
 810             }
 811             playlist_Unlock( THEPL );
 812             if ( p_item && index.isValid() )
 813                 model->activateItem( index );
 814         }
 815     }
 816 }
 817
 818 void StandardPLPanel::browseInto( int i_pl_item_id )
 819 {
 820     if( i_pl_item_id != lastActivatedPLItemId ) return;
 821
 822     QModelIndex index = model->indexByPLID( i_pl_item_id, 0 );
 823
 824     if( currentView == treeView )
 825         treeView->setExpanded( index, true );
 826     else
 827         browseInto( index );
 828
 829     lastActivatedPLItemId = -1;
 830 }