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/animators.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     ADD_MENU_ENTRY( QIcon(), qtr( I_PL_SAVE ),
 226                     VLCModelSubInterface::ACTION_SAVETOPLAYLIST );
 227
 228     menu.addSeparator();
 229
 230     /* Item removal */
 231
 232     ADD_MENU_ENTRY( QIcon( ":/buttons/playlist/playlist_remove" ), qtr(I_POP_DEL),
 233                     VLCModelSubInterface::ACTION_REMOVE );
 234
 235     ADD_MENU_ENTRY( QIcon( ":/toolbar/clear" ), qtr("Clear the playlist"),
 236                     VLCModelSubInterface::ACTION_CLEAR );
 237
 238     menu.addSeparator();
 239
 240     /* Playlist sorting */
 241     if ( model->isSupportedAction( VLCModelSubInterface::ACTION_SORT, index ) )
 242     {
 243         QMenu *sortingMenu = new QMenu( qtr( "Sort by" ) );
 244         /* Choose what columns to show in sorting menu, not sure if this should be configurable*/
 245         QList<int> sortingColumns;
 246         sortingColumns << COLUMN_TITLE << COLUMN_ARTIST << COLUMN_ALBUM << COLUMN_TRACK_NUMBER << COLUMN_URI;
 247         container.action = VLCModelSubInterface::ACTION_SORT;
 248         foreach( int Column, sortingColumns )
 249         {
 250             action = sortingMenu->addAction( qfu( psz_column_title( Column ) ) + " " + qtr("Ascending") );
 251             container.column = model->columnFromMeta(Column) + 1;
 252             action->setData( QVariant::fromValue( container ) );
 253
 254             action = sortingMenu->addAction( qfu( psz_column_title( Column ) ) + " " + qtr("Descending") );
 255             container.column = -1 * (model->columnFromMeta(Column)+1);
 256             action->setData( QVariant::fromValue( container ) );
 257         }
 258         menu.addMenu( sortingMenu );
 259     }
 260
 261     /* Zoom */
 262     QMenu *zoomMenu = new QMenu( qtr( "Display size" ) );
 263     zoomMenu->addAction( qtr( "Increase" ), this, SLOT( increaseZoom() ) );
 264     zoomMenu->addAction( qtr( "Decrease" ), this, SLOT( decreaseZoom() ) );
 265     menu.addMenu( zoomMenu );
 266
 267     CONNECT( &menu, triggered( QAction * ), this, popupAction( QAction * ) );
 268
 269     menu.addMenu( StandardPLPanel::viewSelectionMenu( this ) );
 270
 271     /* Display and forward the result */
 272     if( !menu.isEmpty() )
 273     {
 274         menu.exec( point ); return true;
 275     }
 276     else return false;
 277
 278 #undef ADD_MENU_ENTRY
 279 }
 280
 281 void StandardPLPanel::popupAction( QAction *action )
 282 {
 283     VLCProxyModel *model = qobject_cast<VLCProxyModel *>(currentView->model());
 284     VLCModelSubInterface::actionsContainerType a =
 285             action->data().value<VLCModelSubInterface::actionsContainerType>();
 286     QModelIndexList list = currentView->selectionModel()->selectedRows();
 287     QModelIndex index = popupIndex( currentView );
 288     char *path = NULL;
 289     OpenDialog *dialog;
 290     QString temp;
 291     QStringList uris;
 292     bool ok;
 293
 294     /* first try to complete actions requiring missing parameters thru UI dialogs */
 295     switch( a.action )
 296     {
 297     case VLCModelSubInterface::ACTION_INFO:
 298         /* locally handled only */
 299         if( index.isValid() )
 300         {
 301             input_item_t* p_input = model->getInputItem( index );
 302             MediaInfoDialog *mid = new MediaInfoDialog( p_intf, p_input );
 303             mid->setParent( PlaylistDialog::getInstance( p_intf ),
 304                             Qt::Dialog );
 305             mid->show();
 306         }
 307         break;
 308
 309     case VLCModelSubInterface::ACTION_EXPLORE:
 310         /* locally handled only */
 311         temp = model->getURI( index );
 312         if( ! temp.isEmpty() ) path = make_path( temp.toLatin1().constData() );
 313         if( path == NULL ) return;
 314         QDesktopServices::openUrl(
 315                     QUrl::fromLocalFile( QFileInfo( qfu( path ) ).absolutePath() ) );
 316         free( path );
 317         break;
 318
 319     case VLCModelSubInterface::ACTION_STREAM:
 320         /* locally handled only */
 321         temp = model->getURI( index );
 322         if ( ! temp.isEmpty() )
 323             THEDP->streamingDialog( NULL, temp, false );
 324         break;
 325
 326     case VLCModelSubInterface::ACTION_SAVE:
 327         /* locally handled only */
 328         temp = model->getURI( index );
 329         if ( ! temp.isEmpty() )
 330             THEDP->streamingDialog( NULL, temp );
 331         break;
 332
 333     case VLCModelSubInterface::ACTION_CREATENODE:
 334         temp = QInputDialog::getText( PlaylistDialog::getInstance( p_intf ),
 335             qtr( I_NEW_DIR ), qtr( I_NEW_DIR_NAME ),
 336             QLineEdit::Normal, QString(), &ok);
 337         if ( !ok ) return;
 338         model->createNode( index, temp );
 339         break;
 340
 341     case VLCModelSubInterface::ACTION_RENAMENODE:
 342         temp = QInputDialog::getText( PlaylistDialog::getInstance( p_intf ),
 343             qtr( I_RENAME_DIR ), qtr( I_RENAME_DIR_NAME ),
 344             QLineEdit::Normal, model->getTitle( index ), &ok);
 345         if ( !ok ) return;
 346         model->renameNode( index, temp );
 347         break;
 348
 349     case VLCModelSubInterface::ACTION_ENQUEUEFILE:
 350         uris = THEDP->showSimpleOpen();
 351         if ( uris.isEmpty() ) return;
 352         uris.sort();
 353         foreach( const QString &file, uris )
 354             a.uris << qtu( toURI( toNativeSeparators( file ) ) );
 355         action->setData( QVariant::fromValue( a ) );
 356         if ( model->action( action, list ) )
 357             foreach( const QString &file, a.uris )
 358                 RecentsMRL::getInstance( p_intf )->addRecent( file );
 359         break;
 360
 361     case VLCModelSubInterface::ACTION_ENQUEUEDIR:
 362         temp = THEDP->getDirectoryDialog();
 363         if ( temp.isEmpty() ) return;
 364         a.uris << temp;
 365         action->setData( QVariant::fromValue( a ) );
 366         model->action( action, list );
 367         break;
 368
 369     case VLCModelSubInterface::ACTION_ENQUEUEGENERIC:
 370         dialog = OpenDialog::getInstance( this, p_intf, false, SELECT, true, true );
 371         dialog->showTab( OPEN_FILE_TAB );
 372         dialog->exec(); /* make it modal */
 373         a.uris = dialog->getMRLs( false );
 374         a.options = dialog->getOptions();
 375         if ( a.uris.isEmpty() ) return;
 376         action->setData( QVariant::fromValue( a ) );
 377         if ( model->action( action, list ) )
 378             foreach( const QString &file, a.uris )
 379                 RecentsMRL::getInstance( p_intf )->addRecent( file );
 380         break;
 381
 382     case VLCModelSubInterface::ACTION_SAVETOPLAYLIST:
 383         THEDP->savePlayingToPlaylist();
 384         break;
 385     default:
 386         model->action( action, list );
 387     }
 388 }
 389
 390 QMenu* StandardPLPanel::viewSelectionMenu( StandardPLPanel *panel )
 391 {
 392     QMenu *viewMenu = new QMenu( qtr( "Playlist View Mode" ) );
 393     QSignalMapper *viewSelectionMapper = new QSignalMapper( viewMenu );
 394     CONNECT( viewSelectionMapper, mapped( int ), panel, showView( int ) );
 395
 396     QActionGroup *viewGroup = new QActionGroup( viewMenu );
 397 # define MAX_VIEW StandardPLPanel::VIEW_COUNT
 398     for( int i = 0; i < MAX_VIEW; i++ )
 399     {
 400         QAction *action = viewMenu->addAction( viewNames[i] );
 401         action->setCheckable( true );
 402         viewGroup->addAction( action );
 403         viewSelectionMapper->setMapping( action, i );
 404         CONNECT( action, triggered(), viewSelectionMapper, map() );
 405         if( panel->currentViewIndex() == i )
 406             action->setChecked( true );
 407     }
 408     return viewMenu;
 409 }
 410
 411 inline QModelIndex popupIndex( QAbstractItemView *view )
 412 {
 413     QModelIndexList list = view->selectionModel()->selectedIndexes();
 414     if ( list.isEmpty() )
 415         return QModelIndex();
 416     else
 417         return list.first();
 418 }
 419
 420 void StandardPLPanel::popupSelectColumn( QPoint )
 421 {
 422     QMenu menu;
 423     assert( treeView );
 424
 425     /* We do not offer the option to hide index 0 column, or
 426      * QTreeView will behave weird */
 427     for( int i = 1 << 1, j = 1; i < COLUMN_END; i <<= 1, j++ )
 428     {
 429         QAction* option = menu.addAction( qfu( psz_column_title( i ) ) );
 430         option->setCheckable( true );
 431         option->setChecked( !treeView->isColumnHidden( j ) );
 432         selectColumnsSigMapper->setMapping( option, j );
 433         CONNECT( option, triggered(), selectColumnsSigMapper, map() );
 434     }
 435     menu.exec( QCursor::pos() );
 436 }
 437
 438 void StandardPLPanel::toggleColumnShown( int i )
 439 {
 440     treeView->setColumnHidden( i, !treeView->isColumnHidden( i ) );
 441 }
 442
 443 /* Search in the playlist */
 444 void StandardPLPanel::search( const QString& searchText )
 445 {
 446     int type;
 447     QString name;
 448     bool can_search;
 449     p_selector->getCurrentItemInfos( &type, &can_search, &name );
 450
 451     if( type != SD_TYPE || !can_search )
 452     {
 453         bool flat = ( currentView == iconView ||
 454                       currentView == listView ||
 455                       currentView == picFlowView );
 456         model->filter( searchText,
 457                        flat ? currentView->rootIndex() : QModelIndex(),
 458                        !flat );
 459     }
 460 }
 461
 462 void StandardPLPanel::searchDelayed( const QString& searchText )
 463 {
 464     int type;
 465     QString name;
 466     bool can_search;
 467     p_selector->getCurrentItemInfos( &type, &can_search, &name );
 468
 469     if( type == SD_TYPE && can_search )
 470     {
 471         if( !name.isEmpty() && !searchText.isEmpty() )
 472             playlist_ServicesDiscoveryControl( THEPL, qtu( name ), SD_CMD_SEARCH,
 473                                               qtu( searchText ) );
 474     }
 475 }
 476
 477 /* Set the root of the new Playlist */
 478 /* This activated by the selector selection */
 479 void StandardPLPanel::setRootItem( playlist_item_t *p_item, bool b )
 480 {
 481 #ifdef SQL_MEDIA_LIBRARY
 482     if( b )
 483     {
 484         msg_Dbg( p_intf, "Setting the SQL ML" );
 485         if ( model->switchToModel( VLCProxyModel::SQLML_MODEL ) )
 486             currentView->setModel( model );
 487     }
 488     else
 489 #else
 490     Q_UNUSED( b );
 491 #endif
 492     {
 493         if ( model->switchToModel( VLCProxyModel::PL_MODEL ) )
 494             model->rebuild( p_item );
 495     }
 496 }
 497
 498 void StandardPLPanel::browseInto( const QModelIndex &index )
 499 {
 500     if( currentView == iconView || currentView == listView || currentView == picFlowView )
 501     {
 502
 503         currentView->setRootIndex( index );
 504
 505         /* When going toward root in LocationBar, scroll to the item
 506            that was previously as root */
 507         QModelIndex newIndex = model->indexByPLID(currentRootIndexPLId,0);
 508         while( newIndex.isValid() && (newIndex.parent() != index) )
 509             newIndex = newIndex.parent();
 510         if( newIndex.isValid() )
 511             currentView->scrollTo( newIndex );
 512
 513         /* Store new rootindexid*/
 514         currentRootIndexPLId = model->itemId( index, PLAYLIST_ID );
 515
 516         model->ensureArtRequested( index );
 517     }
 518
 519     emit viewChanged( index );
 520 }
 521
 522 void StandardPLPanel::browseInto()
 523 {
 524     browseInto( (currentRootIndexPLId != -1 && currentView != treeView) ?
 525                  model->indexByPLID( currentRootIndexPLId, 0 ) :
 526                  QModelIndex() );
 527 }
 528
 529 void StandardPLPanel::wheelEvent( QWheelEvent *e )
 530 {
 531     if( e->modifiers() & Qt::ControlModifier ) {
 532         int numSteps = e->delta() / 8 / 15;
 533         if( numSteps > 0)
 534             increaseZoom();
 535         else if( numSteps < 0)
 536             decreaseZoom();
 537     }
 538     // Accept this event in order to prevent unwanted volume up/down changes
 539     e->accept();
 540 }
 541
 542 bool StandardPLPanel::eventFilter ( QObject *obj, QEvent * event )
 543 {
 544     if (event->type() == QEvent::KeyPress)
 545     {
 546         QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
 547         if( keyEvent->key() == Qt::Key_Delete ||
 548             keyEvent->key() == Qt::Key_Backspace )
 549         {
 550             deleteSelection();
 551             return true;
 552         }
 553     }
 554     else if ( event->type() == QEvent::Paint )
 555     {/* Warn! Don't filter events from anything else than views ! */
 556         if ( model->rowCount() == 0 && p_selector->getCurrentItemCategory() == PL_ITEM_TYPE )
 557         {
 558             QWidget *viewport = qobject_cast<QWidget *>( obj );
 559             QStylePainter painter( viewport );
 560             QPixmap dropzone(":/dropzone");
 561             QRect rect = viewport->geometry();
 562             QSize size = rect.size() / 2 - dropzone.size() / 2;
 563             rect.adjust( 0, size.height(), 0 , 0 );
 564             painter.drawItemPixmap( rect, Qt::AlignHCenter, dropzone );
 565             /* now select the zone just below the drop zone and let Qt center
 566                the text by itself */
 567             rect.adjust( 0, dropzone.size().height() + 10, 0, 0 );
 568             rect.setRight( viewport->geometry().width() );
 569             rect.setLeft( 0 );
 570             painter.drawItemText( rect,
 571                                   Qt::AlignHCenter,
 572                                   palette(),
 573                                   true,
 574                                   qtr("Playlist is currently empty.\n"
 575                                       "Drop a file here or select a "
 576                                       "media source from the left."),
 577                                   QPalette::Text );
 578         }
 579         else if ( spinnerAnimation->state() == PixmapAnimator::Running )
 580         {
 581             if ( currentView->model()->rowCount() )
 582                 spinnerAnimation->stop(); /* Trick until SD emits events */
 583             else
 584             {
 585                 QWidget *viewport = qobject_cast<QWidget *>( obj );
 586                 QStylePainter painter( viewport );
 587                 QPixmap *spinner = spinnerAnimation->getPixmap();
 588                 QPoint point = viewport->geometry().center();
 589                 point -= QPoint( spinner->size().width() / 2, spinner->size().height() / 2 );
 590                 painter.drawPixmap( point, *spinner );
 591             }
 592         }
 593     }
 594     return false;
 595 }
 596
 597 void StandardPLPanel::deleteSelection()
 598 {
 599     QModelIndexList list = currentView->selectionModel()->selectedIndexes();
 600     model->doDelete( list );
 601 }
 602
 603 void StandardPLPanel::createIconView()
 604 {
 605     iconView = new PlIconView( model, this );
 606     iconView->setContextMenuPolicy( Qt::CustomContextMenu );
 607     CONNECT( iconView, customContextMenuRequested( const QPoint & ),
 608              this, popupPlView( const QPoint & ) );
 609     CONNECT( iconView, activated( const QModelIndex & ),
 610              this, activate( const QModelIndex & ) );
 611     iconView->installEventFilter( this );
 612     iconView->viewport()->installEventFilter( this );
 613     viewStack->addWidget( iconView );
 614 }
 615
 616 void StandardPLPanel::createListView()
 617 {
 618     listView = new PlListView( model, this );
 619     listView->setContextMenuPolicy( Qt::CustomContextMenu );
 620     CONNECT( listView, customContextMenuRequested( const QPoint & ),
 621              this, popupPlView( const QPoint & ) );
 622     CONNECT( listView, activated( const QModelIndex & ),
 623              this, activate( const QModelIndex & ) );
 624     listView->installEventFilter( this );
 625     listView->viewport()->installEventFilter( this );
 626     viewStack->addWidget( listView );
 627 }
 628
 629 void StandardPLPanel::createCoverView()
 630 {
 631     picFlowView = new PicFlowView( model, this );
 632     picFlowView->setContextMenuPolicy( Qt::CustomContextMenu );
 633     CONNECT( picFlowView, customContextMenuRequested( const QPoint & ),
 634              this, popupPlView( const QPoint & ) );
 635     CONNECT( picFlowView, activated( const QModelIndex & ),
 636              this, activate( const QModelIndex & ) );
 637     viewStack->addWidget( picFlowView );
 638     picFlowView->installEventFilter( this );
 639 }
 640
 641 void StandardPLPanel::createTreeView()
 642 {
 643     /* Create and configure the QTreeView */
 644     treeView = new PlTreeView( model, this );
 645
 646     /* setModel after setSortingEnabled(true), or the model will sort immediately! */
 647
 648     /* Connections for the TreeView */
 649     CONNECT( treeView, activated( const QModelIndex& ),
 650              this, activate( const QModelIndex& ) );
 651     CONNECT( treeView->header(), customContextMenuRequested( const QPoint & ),
 652              this, popupSelectColumn( QPoint ) );
 653     CONNECT( treeView, customContextMenuRequested( const QPoint & ),
 654              this, popupPlView( const QPoint & ) );
 655     treeView->installEventFilter( this );
 656     treeView->viewport()->installEventFilter( this );
 657
 658     /* SignalMapper for columns */
 659     selectColumnsSigMapper = new QSignalMapper( this );
 660     CONNECT( selectColumnsSigMapper, mapped( int ),
 661              this, toggleColumnShown( int ) );
 662
 663     viewStack->addWidget( treeView );
 664 }
 665
 666 void StandardPLPanel::updateZoom( int i )
 667 {
 668     if ( i < 5 - QApplication::font().pointSize() ) return;
 669     if ( i > 3 + QApplication::font().pointSize() ) return;
 670     i_zoom = i;
 671 #define A_ZOOM( view ) \
 672     if ( view ) \
 673     qobject_cast<AbstractPlViewItemDelegate*>( view->itemDelegate() )->setZoom( i_zoom )
 674     /* Can't iterate as picflow & tree aren't using custom delegate */
 675     A_ZOOM( iconView );
 676     A_ZOOM( listView );
 677 #undef A_ZOOM
 678 }
 679
 680 void StandardPLPanel::showView( int i_view )
 681 {
 682     bool b_treeViewCreated = false;
 683
 684     switch( i_view )
 685     {
 686     case ICON_VIEW:
 687     {
 688         if( iconView == NULL )
 689             createIconView();
 690         currentView = iconView;
 691         break;
 692     }
 693     case LIST_VIEW:
 694     {
 695         if( listView == NULL )
 696             createListView();
 697         currentView = listView;
 698         break;
 699     }
 700     case PICTUREFLOW_VIEW:
 701     {
 702         if( picFlowView == NULL )
 703             createCoverView();
 704         currentView = picFlowView;
 705         break;
 706     }
 707     default:
 708     case TREE_VIEW:
 709     {
 710         if( treeView == NULL )
 711         {
 712             createTreeView();
 713             b_treeViewCreated = true;
 714         }
 715         currentView = treeView;
 716         break;
 717     }
 718     }
 719
 720     currentView->setModel( model );
 721
 722     /* Restoring the header Columns must come after changeModel */
 723     if( b_treeViewCreated )
 724     {
 725         assert( treeView );
 726         if( getSettings()->contains( "Playlist/headerStateV2" ) )
 727         {
 728             treeView->header()->restoreState(getSettings()
 729                     ->value( "Playlist/headerStateV2" ).toByteArray() );
 730             /* if there is allready stuff in playlist, we don't sort it and we reset
 731                sorting */
 732             if( model->rowCount() )
 733             {
 734                 treeView->header()->setSortIndicator( -1 , Qt::AscendingOrder );
 735             }
 736         }
 737         else
 738         {
 739             for( int m = 1, c = 0; m != COLUMN_END; m <<= 1, c++ )
 740             {
 741                 treeView->setColumnHidden( c, !( m & COLUMN_DEFAULT ) );
 742                 if( m == COLUMN_TITLE ) treeView->header()->resizeSection( c, 200 );
 743                 else if( m == COLUMN_DURATION ) treeView->header()->resizeSection( c, 80 );
 744             }
 745         }
 746     }
 747
 748     updateZoom( i_zoom );
 749     viewStack->setCurrentWidget( currentView );
 750     browseInto();
 751     gotoPlayingItem();
 752 }
 753
 754 void StandardPLPanel::setWaiting( bool b )
 755 {
 756     if ( b )
 757     {
 758         spinnerAnimation->setLoopCount( 20 ); /* Trick until SD emits an event */
 759         spinnerAnimation->start();
 760     }
 761     else
 762         spinnerAnimation->stop();
 763 }
 764
 765 void StandardPLPanel::updateViewport()
 766 {
 767     /* A single update on parent widget won't work */
 768     currentView->viewport()->repaint();
 769 }
 770
 771 int StandardPLPanel::currentViewIndex() const
 772 {
 773     if( currentView == treeView )
 774         return TREE_VIEW;
 775     else if( currentView == iconView )
 776         return ICON_VIEW;
 777     else if( currentView == listView )
 778         return LIST_VIEW;
 779     else
 780         return PICTUREFLOW_VIEW;
 781 }
 782
 783 void StandardPLPanel::cycleViews()
 784 {
 785     if( currentView == iconView )
 786         showView( TREE_VIEW );
 787     else if( currentView == treeView )
 788         showView( LIST_VIEW );
 789     else if( currentView == listView )
 790 #ifndef NDEBUG
 791         showView( PICTUREFLOW_VIEW  );
 792     else if( currentView == picFlowView )
 793 #endif
 794         showView( ICON_VIEW );
 795     else
 796         assert( 0 );
 797 }
 798
 799 void StandardPLPanel::activate( const QModelIndex &index )
 800 {
 801     if( currentView->model() == model )
 802     {
 803         /* If we are not a leaf node */
 804         if( !index.data( VLCModelSubInterface::IsLeafNodeRole ).toBool() )
 805         {
 806             if( currentView != treeView )
 807                 browseInto( index );
 808         }
 809         else
 810         {
 811             playlist_Lock( THEPL );
 812             playlist_item_t *p_item = playlist_ItemGetById( THEPL, model->itemId( index, PLAYLIST_ID ) );
 813             if ( p_item )
 814             {
 815                 p_item->i_flags |= PLAYLIST_SUBITEM_STOP_FLAG;
 816                 lastActivatedPLItemId = p_item->i_id;
 817             }
 818             playlist_Unlock( THEPL );
 819             if ( p_item && index.isValid() )
 820                 model->activateItem( index );
 821         }
 822     }
 823 }
 824
 825 void StandardPLPanel::browseInto( int i_pl_item_id )
 826 {
 827     if( i_pl_item_id != lastActivatedPLItemId ) return;
 828
 829     QModelIndex index = model->indexByPLID( i_pl_item_id, 0 );
 830
 831     if( currentView == treeView )
 832         treeView->setExpanded( index, true );
 833     else
 834         browseInto( index );
 835
 836     lastActivatedPLItemId = -1;
 837 }