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/views.hpp"          /* 3 views */
  34 #include "components/playlist/selector.hpp"       /* PLSelector */
  35 #include "util/animators.hpp"                     /* PixmapAnimator */
  36 #include "menus.hpp"                              /* Popup */
  37 #include "input_manager.hpp"                      /* THEMIM */
  38 #include "dialogs_provider.hpp"                   /* THEDP */
  39 #include "recents.hpp"                            /* RecentMRL */
  40 #include "dialogs/playlist.hpp"                   /* Playlist Dialog */
  41 #include "dialogs/mediainfo.hpp"                  /* MediaInfoDialog */
  42 #include "util/qt_dirs.hpp"
  43
  44 #include <vlc_services_discovery.h>               /* SD_CMD_SEARCH */
  45 #include <vlc_intf_strings.h>                     /* POP_ */
  46
  47 #define I_NEW_DIR \
  48     I_DIR_OR_FOLDER( N_("Create Directory"), N_( "Create Folder" ) )
  49 #define I_NEW_DIR_NAME \
  50     I_DIR_OR_FOLDER( N_( "Enter name for new directory:" ), \
  51                      N_( "Enter name for new folder:" ) )
  52
  53 #define I_RENAME_DIR \
  54     I_DIR_OR_FOLDER( N_("Rename Directory"), N_( "Rename Folder" ) )
  55 #define I_RENAME_DIR_NAME \
  56     I_DIR_OR_FOLDER( N_( "Enter a new name for the directory:" ), \
  57                      N_( "Enter a new name for the folder:" ) )
  58
  59 #include <QHeaderView>
  60 #include <QMenu>
  61 #include <QKeyEvent>
  62 #include <QWheelEvent>
  63 #include <QStackedLayout>
  64 #include <QSignalMapper>
  65 #include <QSettings>
  66 #include <QStylePainter>
  67 #include <QInputDialog>
  68 #include <QDesktopServices>
  69 #include <QUrl>
  70 #include <QFont>
  71
  72 #include <assert.h>
  73
  74 /* local helper */
  75 inline QModelIndex popupIndex( QAbstractItemView *view );
  76
  77 StandardPLPanel::StandardPLPanel( PlaylistWidget *_parent,
  78                                   intf_thread_t *_p_intf,
  79                                   playlist_item_t *p_root,
  80                                   PLSelector *_p_selector,
  81                                   VLCModel *_p_model )
  82                 : QWidget( _parent ),
  83                   model( _p_model ),
  84                   p_intf( _p_intf ),
  85                   p_selector( _p_selector )
  86 {
  87     viewStack = new QStackedLayout( this );
  88     viewStack->setSpacing( 0 ); viewStack->setMargin( 0 );
  89     setMinimumWidth( 300 );
  90
  91     iconView    = NULL;
  92     treeView    = NULL;
  93     listView    = NULL;
  94     picFlowView = NULL;
  95
  96     currentRootIndexPLId  = -1;
  97     lastActivatedPLItemId     = -1;
  98
  99     QList<QString> frames;
 100     frames << ":/util/wait1";
 101     frames << ":/util/wait2";
 102     frames << ":/util/wait3";
 103     frames << ":/util/wait4";
 104     spinnerAnimation = new PixmapAnimator( this, frames );
 105     CONNECT( spinnerAnimation, pixmapReady( const QPixmap & ), this, updateViewport() );
 106
 107     /* Saved Settings */
 108     int i_savedViewMode = getSettings()->value( "Playlist/view-mode", TREE_VIEW ).toInt();
 109     i_zoom = getSettings()->value( "Playlist/zoom", 0 ).toInt();
 110
 111     showView( i_savedViewMode );
 112
 113     DCONNECT( THEMIM, leafBecameParent( int ),
 114               this, browseInto( int ) );
 115
 116     CONNECT( model, currentIndexChanged( const QModelIndex& ),
 117              this, handleExpansion( const QModelIndex& ) );
 118     CONNECT( model, rootIndexChanged(), this, browseInto() );
 119
 120     setRootItem( p_root, false );
 121 }
 122
 123 StandardPLPanel::~StandardPLPanel()
 124 {
 125     getSettings()->beginGroup("Playlist");
 126     if( treeView )
 127         getSettings()->setValue( "headerStateV2", treeView->header()->saveState() );
 128     getSettings()->setValue( "view-mode", currentViewIndex() );
 129     getSettings()->setValue( "zoom", i_zoom );
 130     getSettings()->endGroup();
 131 }
 132
 133 /* Unused anymore, but might be useful, like in right-click menu */
 134 void StandardPLPanel::gotoPlayingItem()
 135 {
 136     currentView->scrollTo( model->currentIndex() );
 137 }
 138
 139 void StandardPLPanel::handleExpansion( const QModelIndex& index )
 140 {
 141     assert( currentView );
 142     if( currentRootIndexPLId != -1 && currentRootIndexPLId != model->itemId( index.parent(), PLAYLIST_ID ) )
 143         browseInto( index.parent() );
 144     currentView->scrollTo( index );
 145 }
 146
 147 void StandardPLPanel::popupPlView( const QPoint &point )
 148 {
 149     QPoint globalPoint = currentView->viewport()->mapToGlobal( point );
 150     QModelIndex index = currentView->indexAt( point );
 151     if ( !index.isValid() )
 152     {
 153         currentView->clearSelection();
 154     }
 155     else if ( ! currentView->selectionModel()->selectedIndexes().contains( index ) )
 156     {
 157         currentView->selectionModel()->select( index, QItemSelectionModel::Select );
 158     }
 159
 160     if( !popup( globalPoint ) ) THEDP->setPopupMenu();
 161 }
 162
 163 /*********** Popup *********/
 164 bool StandardPLPanel::popup( const QPoint &point )
 165 {
 166     QModelIndex index = popupIndex( currentView ); /* index for menu logic only. Do not store.*/
 167     VLCModel *model = qobject_cast<VLCModel *>(currentView->model());
 168
 169 #define ADD_MENU_ENTRY( icon, title, act ) \
 170     if ( model->isSupportedAction( act, index ) )\
 171     {\
 172     action = menu.addAction( icon, title ); \
 173     container.action = act; \
 174     action->setData( QVariant::fromValue( container ) );\
 175     }
 176
 177     /* */
 178     QMenu menu;
 179     QAction *action;
 180     VLCModelSubInterface::actionsContainerType container;
 181
 182     /* Play/Stream/Info static actions */
 183
 184     ADD_MENU_ENTRY( QIcon( ":/menu/play" ), qtr(I_POP_PLAY),
 185                     VLCModelSubInterface::ACTION_PLAY )
 186
 187     ADD_MENU_ENTRY( QIcon( ":/menu/stream" ), qtr(I_POP_STREAM),
 188                     VLCModelSubInterface::ACTION_STREAM )
 189
 190     ADD_MENU_ENTRY( QIcon(), qtr(I_POP_SAVE),
 191                     VLCModelSubInterface::ACTION_SAVE );
 192
 193     ADD_MENU_ENTRY( QIcon( ":/menu/info" ), qtr(I_POP_INFO),
 194                     VLCModelSubInterface::ACTION_INFO );
 195
 196     menu.addSeparator();
 197
 198     ADD_MENU_ENTRY( QIcon( ":/type/folder-grey" ), qtr(I_POP_EXPLORE),
 199                     VLCModelSubInterface::ACTION_EXPLORE );
 200
 201     QIcon addIcon( ":/buttons/playlist/playlist_add" );
 202
 203     ADD_MENU_ENTRY( addIcon, qtr(I_POP_NEWFOLDER),
 204                     VLCModelSubInterface::ACTION_CREATENODE )
 205
 206     ADD_MENU_ENTRY( QIcon(), qtr(I_POP_RENAMEFOLDER),
 207                     VLCModelSubInterface::ACTION_RENAMENODE )
 208
 209     menu.addSeparator();
 210     /* In PL or ML, allow to add a file/folder */
 211     ADD_MENU_ENTRY( addIcon, qtr(I_PL_ADDF),
 212                     VLCModelSubInterface::ACTION_ENQUEUEFILE )
 213
 214     ADD_MENU_ENTRY( addIcon, qtr(I_PL_ADDDIR),
 215                     VLCModelSubInterface::ACTION_ENQUEUEDIR )
 216
 217     ADD_MENU_ENTRY( addIcon, qtr(I_OP_ADVOP),
 218                     VLCModelSubInterface::ACTION_ENQUEUEGENERIC )
 219
 220     ADD_MENU_ENTRY( QIcon(), qtr(I_PL_ADDPL),
 221                     VLCModelSubInterface::ACTION_ADDTOPLAYLIST );
 222
 223     menu.addSeparator();
 224     ADD_MENU_ENTRY( QIcon(), qtr( I_PL_SAVE ),
 225                     VLCModelSubInterface::ACTION_SAVETOPLAYLIST );
 226
 227     menu.addSeparator();
 228
 229     /* Item removal */
 230
 231     ADD_MENU_ENTRY( QIcon( ":/buttons/playlist/playlist_remove" ), qtr(I_POP_DEL),
 232                     VLCModelSubInterface::ACTION_REMOVE );
 233
 234     ADD_MENU_ENTRY( QIcon( ":/toolbar/clear" ), qtr("Clear the playlist"),
 235                     VLCModelSubInterface::ACTION_CLEAR );
 236
 237     menu.addSeparator();
 238
 239     /* Playlist sorting */
 240     if ( model->isSupportedAction( VLCModelSubInterface::ACTION_SORT, index ) )
 241     {
 242         QMenu *sortingMenu = new QMenu( qtr( "Sort by" ) );
 243         /* Choose what columns to show in sorting menu, not sure if this should be configurable*/
 244         QList<int> sortingColumns;
 245         sortingColumns << COLUMN_TITLE << COLUMN_ARTIST << COLUMN_ALBUM << COLUMN_TRACK_NUMBER << COLUMN_URI;
 246         container.action = VLCModelSubInterface::ACTION_SORT;
 247         foreach( int Column, sortingColumns )
 248         {
 249             action = sortingMenu->addAction( qfu( psz_column_title( Column ) ) + " " + qtr("Ascending") );
 250             container.column = model->columnFromMeta(Column) + 1;
 251             action->setData( QVariant::fromValue( container ) );
 252
 253             action = sortingMenu->addAction( qfu( psz_column_title( Column ) ) + " " + qtr("Descending") );
 254             container.column = -1 * (model->columnFromMeta(Column)+1);
 255             action->setData( QVariant::fromValue( container ) );
 256         }
 257         menu.addMenu( sortingMenu );
 258     }
 259
 260     /* Zoom */
 261     QMenu *zoomMenu = new QMenu( qtr( "Display size" ) );
 262     zoomMenu->addAction( qtr( "Increase" ), this, SLOT( increaseZoom() ) );
 263     zoomMenu->addAction( qtr( "Decrease" ), this, SLOT( decreaseZoom() ) );
 264     menu.addMenu( zoomMenu );
 265
 266     CONNECT( &menu, triggered( QAction * ), this, popupAction( QAction * ) );
 267
 268     menu.addMenu( StandardPLPanel::viewSelectionMenu( this ) );
 269
 270     /* Display and forward the result */
 271     if( !menu.isEmpty() )
 272     {
 273         menu.exec( point ); return true;
 274     }
 275     else return false;
 276
 277 #undef ADD_MENU_ENTRY
 278 }
 279
 280 void StandardPLPanel::popupAction( QAction *action )
 281 {
 282     VLCModel *model = qobject_cast<VLCModel *>(currentView->model());
 283     VLCModelSubInterface::actionsContainerType a =
 284             action->data().value<VLCModelSubInterface::actionsContainerType>();
 285     QModelIndexList list = currentView->selectionModel()->selectedRows();
 286     QModelIndex index = popupIndex( currentView );
 287     char *path = NULL;
 288     OpenDialog *dialog;
 289     QString temp;
 290     QStringList uris;
 291     bool ok;
 292
 293     /* first try to complete actions requiring missing parameters thru UI dialogs */
 294     switch( a.action )
 295     {
 296     case VLCModelSubInterface::ACTION_INFO:
 297         /* locally handled only */
 298         if( index.isValid() )
 299         {
 300             input_item_t* p_input = model->getInputItem( index );
 301             MediaInfoDialog *mid = new MediaInfoDialog( p_intf, p_input );
 302             mid->setParent( PlaylistDialog::getInstance( p_intf ),
 303                             Qt::Dialog );
 304             mid->show();
 305         }
 306         break;
 307
 308     case VLCModelSubInterface::ACTION_EXPLORE:
 309         /* locally handled only */
 310         temp = model->getURI( index );
 311         if( ! temp.isEmpty() ) path = make_path( temp.toLatin1().constData() );
 312         if( path == NULL ) return;
 313         QDesktopServices::openUrl(
 314                     QUrl::fromLocalFile( QFileInfo( qfu( path ) ).absolutePath() ) );
 315         free( path );
 316         break;
 317
 318     case VLCModelSubInterface::ACTION_STREAM:
 319         /* locally handled only */
 320         temp = model->getURI( index );
 321         if ( ! temp.isEmpty() )
 322         {
 323             QStringList tempList;
 324             tempList.append(temp);
 325             THEDP->streamingDialog( NULL, tempList, false );
 326         }
 327         break;
 328
 329     case VLCModelSubInterface::ACTION_SAVE:
 330         /* locally handled only */
 331         temp = model->getURI( index );
 332         if ( ! temp.isEmpty() )
 333         {
 334             QStringList tempList;
 335             tempList.append(temp);
 336             THEDP->streamingDialog( NULL, tempList );
 337         }
 338         break;
 339
 340     case VLCModelSubInterface::ACTION_CREATENODE:
 341         temp = QInputDialog::getText( PlaylistDialog::getInstance( p_intf ),
 342             qtr( I_NEW_DIR ), qtr( I_NEW_DIR_NAME ),
 343             QLineEdit::Normal, QString(), &ok);
 344         if ( !ok ) return;
 345         model->createNode( index, temp );
 346         break;
 347
 348     case VLCModelSubInterface::ACTION_RENAMENODE:
 349         temp = QInputDialog::getText( PlaylistDialog::getInstance( p_intf ),
 350             qtr( I_RENAME_DIR ), qtr( I_RENAME_DIR_NAME ),
 351             QLineEdit::Normal, model->getTitle( index ), &ok);
 352         if ( !ok ) return;
 353         model->renameNode( index, temp );
 354         break;
 355
 356     case VLCModelSubInterface::ACTION_ENQUEUEFILE:
 357         uris = THEDP->showSimpleOpen();
 358         if ( uris.isEmpty() ) return;
 359         uris.sort();
 360         foreach( const QString &file, uris )
 361             a.uris << qtu( toURI( toNativeSeparators( file ) ) );
 362         action->setData( QVariant::fromValue( a ) );
 363         if ( model->action( action, list ) )
 364             foreach( const QString &file, a.uris )
 365                 RecentsMRL::getInstance( p_intf )->addRecent( file );
 366         break;
 367
 368     case VLCModelSubInterface::ACTION_ENQUEUEDIR:
 369         temp = DialogsProvider::getDirectoryDialog( p_intf );
 370         if ( temp.isEmpty() ) return;
 371         a.uris << temp;
 372         action->setData( QVariant::fromValue( a ) );
 373         model->action( action, list );
 374         break;
 375
 376     case VLCModelSubInterface::ACTION_ENQUEUEGENERIC:
 377         dialog = OpenDialog::getInstance( this, p_intf, false, SELECT, true, true );
 378         dialog->showTab( OPEN_FILE_TAB );
 379         dialog->exec(); /* make it modal */
 380         a.uris = dialog->getMRLs( false );
 381         a.options = dialog->getOptions();
 382         if ( a.uris.isEmpty() ) return;
 383         action->setData( QVariant::fromValue( a ) );
 384         if ( model->action( action, list ) )
 385             foreach( const QString &file, a.uris )
 386                 RecentsMRL::getInstance( p_intf )->addRecent( file );
 387         break;
 388
 389     case VLCModelSubInterface::ACTION_SAVETOPLAYLIST:
 390         THEDP->savePlayingToPlaylist();
 391         break;
 392     default:
 393         model->action( action, list );
 394     }
 395 }
 396
 397 QMenu* StandardPLPanel::viewSelectionMenu( StandardPLPanel *panel )
 398 {
 399     QMenu *viewMenu = new QMenu( qtr( "Playlist View Mode" ) );
 400     QSignalMapper *viewSelectionMapper = new QSignalMapper( viewMenu );
 401     CONNECT( viewSelectionMapper, mapped( int ), panel, showView( int ) );
 402
 403     QActionGroup *viewGroup = new QActionGroup( viewMenu );
 404 # define MAX_VIEW StandardPLPanel::VIEW_COUNT
 405     for( int i = 0; i < MAX_VIEW; i++ )
 406     {
 407         QAction *action = viewMenu->addAction( viewNames[i] );
 408         action->setCheckable( true );
 409         viewGroup->addAction( action );
 410         viewSelectionMapper->setMapping( action, i );
 411         CONNECT( action, triggered(), viewSelectionMapper, map() );
 412         if( panel->currentViewIndex() == i )
 413             action->setChecked( true );
 414     }
 415     return viewMenu;
 416 }
 417
 418 inline QModelIndex popupIndex( QAbstractItemView *view )
 419 {
 420     QModelIndexList list = view->selectionModel()->selectedIndexes();
 421     if ( list.isEmpty() )
 422         return QModelIndex();
 423     else
 424         return list.first();
 425 }
 426
 427 void StandardPLPanel::popupSelectColumn( QPoint )
 428 {
 429     QMenu menu;
 430     assert( treeView );
 431
 432     /* We do not offer the option to hide index 0 column, or
 433      * QTreeView will behave weird */
 434     for( int i = 1 << 1, j = 1; i < COLUMN_END; i <<= 1, j++ )
 435     {
 436         QAction* option = menu.addAction( qfu( psz_column_title( i ) ) );
 437         option->setCheckable( true );
 438         option->setChecked( !treeView->isColumnHidden( j ) );
 439         selectColumnsSigMapper->setMapping( option, j );
 440         CONNECT( option, triggered(), selectColumnsSigMapper, map() );
 441     }
 442     menu.exec( QCursor::pos() );
 443 }
 444
 445 void StandardPLPanel::toggleColumnShown( int i )
 446 {
 447     treeView->setColumnHidden( i, !treeView->isColumnHidden( i ) );
 448 }
 449
 450 /* Search in the playlist */
 451 void StandardPLPanel::search( const QString& searchText )
 452 {
 453     int type;
 454     QString name;
 455     bool can_search;
 456     p_selector->getCurrentItemInfos( &type, &can_search, &name );
 457
 458     if( type != SD_TYPE || !can_search )
 459     {
 460         bool flat = ( currentView == iconView ||
 461                       currentView == listView ||
 462                       currentView == picFlowView );
 463         model->filter( searchText,
 464                        flat ? currentView->rootIndex() : QModelIndex(),
 465                        !flat );
 466     }
 467 }
 468
 469 void StandardPLPanel::searchDelayed( const QString& searchText )
 470 {
 471     int type;
 472     QString name;
 473     bool can_search;
 474     p_selector->getCurrentItemInfos( &type, &can_search, &name );
 475
 476     if( type == SD_TYPE && can_search )
 477     {
 478         if( !name.isEmpty() && !searchText.isEmpty() )
 479             playlist_ServicesDiscoveryControl( THEPL, qtu( name ), SD_CMD_SEARCH,
 480                                               qtu( searchText ) );
 481     }
 482 }
 483
 484 /* Set the root of the new Playlist */
 485 /* This activated by the selector selection */
 486 void StandardPLPanel::setRootItem( playlist_item_t *p_item, bool b )
 487 {
 488     Q_UNUSED( b );
 489     model->rebuild( p_item );
 490 }
 491
 492 void StandardPLPanel::browseInto( const QModelIndex &index )
 493 {
 494     if( currentView == iconView || currentView == listView || currentView == picFlowView )
 495     {
 496
 497         currentView->setRootIndex( index );
 498
 499         /* When going toward root in LocationBar, scroll to the item
 500            that was previously as root */
 501         QModelIndex newIndex = model->indexByPLID(currentRootIndexPLId,0);
 502         while( newIndex.isValid() && (newIndex.parent() != index) )
 503             newIndex = newIndex.parent();
 504         if( newIndex.isValid() )
 505             currentView->scrollTo( newIndex );
 506
 507         /* Store new rootindexid*/
 508         currentRootIndexPLId = model->itemId( index, PLAYLIST_ID );
 509
 510         model->ensureArtRequested( index );
 511     }
 512
 513     emit viewChanged( index );
 514 }
 515
 516 void StandardPLPanel::browseInto()
 517 {
 518     browseInto( (currentRootIndexPLId != -1 && currentView != treeView) ?
 519                  model->indexByPLID( currentRootIndexPLId, 0 ) :
 520                  QModelIndex() );
 521 }
 522
 523 void StandardPLPanel::wheelEvent( QWheelEvent *e )
 524 {
 525     if( e->modifiers() & Qt::ControlModifier ) {
 526         int numSteps = e->delta() / 8 / 15;
 527         if( numSteps > 0)
 528             increaseZoom();
 529         else if( numSteps < 0)
 530             decreaseZoom();
 531     }
 532     // Accept this event in order to prevent unwanted volume up/down changes
 533     e->accept();
 534 }
 535
 536 bool StandardPLPanel::eventFilter ( QObject *obj, QEvent * event )
 537 {
 538     if (event->type() == QEvent::KeyPress)
 539     {
 540         QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
 541         if( keyEvent->key() == Qt::Key_Delete ||
 542             keyEvent->key() == Qt::Key_Backspace )
 543         {
 544             deleteSelection();
 545             return true;
 546         }
 547     }
 548     else if ( event->type() == QEvent::Paint )
 549     {/* Warn! Don't filter events from anything else than views ! */
 550         if ( model->rowCount() == 0 && p_selector->getCurrentItemCategory() == PL_ITEM_TYPE )
 551         {
 552             QWidget *viewport = qobject_cast<QWidget *>( obj );
 553             QStylePainter painter( viewport );
 554             QPixmap dropzone(":/dropzone");
 555             QRect rect = viewport->geometry();
 556             QSize size = rect.size() / 2 - dropzone.size() / 2;
 557             rect.adjust( 0, size.height(), 0 , 0 );
 558             painter.drawItemPixmap( rect, Qt::AlignHCenter, dropzone );
 559             /* now select the zone just below the drop zone and let Qt center
 560                the text by itself */
 561             rect.adjust( 0, dropzone.size().height() + 10, 0, 0 );
 562             rect.setRight( viewport->geometry().width() );
 563             rect.setLeft( 0 );
 564             painter.drawItemText( rect,
 565                                   Qt::AlignHCenter,
 566                                   palette(),
 567                                   true,
 568                                   qtr("Playlist is currently empty.\n"
 569                                       "Drop a file here or select a "
 570                                       "media source from the left."),
 571                                   QPalette::Text );
 572         }
 573         else if ( spinnerAnimation->state() == PixmapAnimator::Running )
 574         {
 575             if ( currentView->model()->rowCount() )
 576                 spinnerAnimation->stop(); /* Trick until SD emits events */
 577             else
 578             {
 579                 QWidget *viewport = qobject_cast<QWidget *>( obj );
 580                 QStylePainter painter( viewport );
 581                 QPixmap *spinner = spinnerAnimation->getPixmap();
 582                 QPoint point = viewport->geometry().center();
 583                 point -= QPoint( spinner->size().width() / 2, spinner->size().height() / 2 );
 584                 painter.drawPixmap( point, *spinner );
 585             }
 586         }
 587     }
 588     return false;
 589 }
 590
 591 void StandardPLPanel::deleteSelection()
 592 {
 593     QModelIndexList list = currentView->selectionModel()->selectedIndexes();
 594     model->doDelete( list );
 595 }
 596
 597 void StandardPLPanel::createIconView()
 598 {
 599     iconView = new PlIconView( model, this );
 600     iconView->setContextMenuPolicy( Qt::CustomContextMenu );
 601     CONNECT( iconView, customContextMenuRequested( const QPoint & ),
 602              this, popupPlView( const QPoint & ) );
 603     CONNECT( iconView, activated( const QModelIndex & ),
 604              this, activate( const QModelIndex & ) );
 605     iconView->installEventFilter( this );
 606     iconView->viewport()->installEventFilter( this );
 607     viewStack->addWidget( iconView );
 608 }
 609
 610 void StandardPLPanel::createListView()
 611 {
 612     listView = new PlListView( model, this );
 613     listView->setContextMenuPolicy( Qt::CustomContextMenu );
 614     CONNECT( listView, customContextMenuRequested( const QPoint & ),
 615              this, popupPlView( const QPoint & ) );
 616     CONNECT( listView, activated( const QModelIndex & ),
 617              this, activate( const QModelIndex & ) );
 618     listView->installEventFilter( this );
 619     listView->viewport()->installEventFilter( this );
 620     viewStack->addWidget( listView );
 621 }
 622
 623 void StandardPLPanel::createCoverView()
 624 {
 625     picFlowView = new PicFlowView( model, this );
 626     picFlowView->setContextMenuPolicy( Qt::CustomContextMenu );
 627     CONNECT( picFlowView, customContextMenuRequested( const QPoint & ),
 628              this, popupPlView( const QPoint & ) );
 629     CONNECT( picFlowView, activated( const QModelIndex & ),
 630              this, activate( const QModelIndex & ) );
 631     viewStack->addWidget( picFlowView );
 632     picFlowView->installEventFilter( this );
 633 }
 634
 635 void StandardPLPanel::createTreeView()
 636 {
 637     /* Create and configure the QTreeView */
 638     treeView = new PlTreeView( model, this );
 639
 640     /* setModel after setSortingEnabled(true), or the model will sort immediately! */
 641
 642     /* Connections for the TreeView */
 643     CONNECT( treeView, activated( const QModelIndex& ),
 644              this, activate( const QModelIndex& ) );
 645     CONNECT( treeView->header(), customContextMenuRequested( const QPoint & ),
 646              this, popupSelectColumn( QPoint ) );
 647     CONNECT( treeView, customContextMenuRequested( const QPoint & ),
 648              this, popupPlView( const QPoint & ) );
 649     treeView->installEventFilter( this );
 650     treeView->viewport()->installEventFilter( this );
 651
 652     /* SignalMapper for columns */
 653     selectColumnsSigMapper = new QSignalMapper( this );
 654     CONNECT( selectColumnsSigMapper, mapped( int ),
 655              this, toggleColumnShown( int ) );
 656
 657     viewStack->addWidget( treeView );
 658 }
 659
 660 void StandardPLPanel::updateZoom( int i )
 661 {
 662     if ( i < 5 - QApplication::font().pointSize() ) return;
 663     if ( i > 3 + QApplication::font().pointSize() ) return;
 664     i_zoom = i;
 665 #define A_ZOOM( view ) \
 666     if ( view ) \
 667     qobject_cast<AbstractPlViewItemDelegate*>( view->itemDelegate() )->setZoom( i_zoom )
 668     /* Can't iterate as picflow & tree aren't using custom delegate */
 669     A_ZOOM( iconView );
 670     A_ZOOM( listView );
 671 #undef A_ZOOM
 672 }
 673
 674 void StandardPLPanel::showView( int i_view )
 675 {
 676     bool b_treeViewCreated = false;
 677
 678     switch( i_view )
 679     {
 680     case ICON_VIEW:
 681     {
 682         if( iconView == NULL )
 683             createIconView();
 684         currentView = iconView;
 685         break;
 686     }
 687     case LIST_VIEW:
 688     {
 689         if( listView == NULL )
 690             createListView();
 691         currentView = listView;
 692         break;
 693     }
 694     case PICTUREFLOW_VIEW:
 695     {
 696         if( picFlowView == NULL )
 697             createCoverView();
 698         currentView = picFlowView;
 699         break;
 700     }
 701     default:
 702     case TREE_VIEW:
 703     {
 704         if( treeView == NULL )
 705         {
 706             createTreeView();
 707             b_treeViewCreated = true;
 708         }
 709         currentView = treeView;
 710         break;
 711     }
 712     }
 713
 714     currentView->setModel( model );
 715
 716     /* Restoring the header Columns must come after changeModel */
 717     if( b_treeViewCreated )
 718     {
 719         assert( treeView );
 720         if( getSettings()->contains( "Playlist/headerStateV2" ) )
 721         {
 722             treeView->header()->restoreState(getSettings()
 723                     ->value( "Playlist/headerStateV2" ).toByteArray() );
 724             /* if there is allready stuff in playlist, we don't sort it and we reset
 725                sorting */
 726             if( model->rowCount() )
 727             {
 728                 treeView->header()->setSortIndicator( -1 , Qt::AscendingOrder );
 729             }
 730         }
 731         else
 732         {
 733             for( int m = 1, c = 0; m != COLUMN_END; m <<= 1, c++ )
 734             {
 735                 treeView->setColumnHidden( c, !( m & COLUMN_DEFAULT ) );
 736                 if( m == COLUMN_TITLE ) treeView->header()->resizeSection( c, 200 );
 737                 else if( m == COLUMN_DURATION ) treeView->header()->resizeSection( c, 80 );
 738             }
 739         }
 740     }
 741
 742     updateZoom( i_zoom );
 743     viewStack->setCurrentWidget( currentView );
 744     browseInto();
 745     gotoPlayingItem();
 746 }
 747
 748 void StandardPLPanel::setWaiting( bool b )
 749 {
 750     if ( b )
 751     {
 752         spinnerAnimation->setLoopCount( 20 ); /* Trick until SD emits an event */
 753         spinnerAnimation->start();
 754     }
 755     else
 756         spinnerAnimation->stop();
 757 }
 758
 759 void StandardPLPanel::updateViewport()
 760 {
 761     /* A single update on parent widget won't work */
 762     currentView->viewport()->repaint();
 763 }
 764
 765 int StandardPLPanel::currentViewIndex() const
 766 {
 767     if( currentView == treeView )
 768         return TREE_VIEW;
 769     else if( currentView == iconView )
 770         return ICON_VIEW;
 771     else if( currentView == listView )
 772         return LIST_VIEW;
 773     else
 774         return PICTUREFLOW_VIEW;
 775 }
 776
 777 void StandardPLPanel::cycleViews()
 778 {
 779     if( currentView == iconView )
 780         showView( TREE_VIEW );
 781     else if( currentView == treeView )
 782         showView( LIST_VIEW );
 783     else if( currentView == listView )
 784 #ifndef NDEBUG
 785         showView( PICTUREFLOW_VIEW  );
 786     else if( currentView == picFlowView )
 787 #endif
 788         showView( ICON_VIEW );
 789     else
 790         assert( 0 );
 791 }
 792
 793 void StandardPLPanel::activate( const QModelIndex &index )
 794 {
 795     if( currentView->model() == model )
 796     {
 797         /* If we are not a leaf node */
 798         if( !index.data( VLCModelSubInterface::IsLeafNodeRole ).toBool() )
 799         {
 800             if( currentView != treeView )
 801                 browseInto( index );
 802         }
 803         else
 804         {
 805             playlist_Lock( THEPL );
 806             playlist_item_t *p_item = playlist_ItemGetById( THEPL, model->itemId( index, PLAYLIST_ID ) );
 807             if ( p_item )
 808             {
 809                 p_item->i_flags |= PLAYLIST_SUBITEM_STOP_FLAG;
 810                 lastActivatedPLItemId = p_item->i_id;
 811             }
 812             playlist_Unlock( THEPL );
 813             if ( p_item && index.isValid() )
 814                 model->activateItem( index );
 815         }
 816     }
 817 }
 818
 819 void StandardPLPanel::browseInto( int i_pl_item_id )
 820 {
 821     if( i_pl_item_id != lastActivatedPLItemId ) return;
 822
 823     QModelIndex index = model->indexByPLID( i_pl_item_id, 0 );
 824
 825     if( currentView == treeView )
 826         treeView->setExpanded( index, true );
 827     else
 828         browseInto( index );
 829
 830     lastActivatedPLItemId = -1;
 831 }