Enabling removal of playlist. Slightly changing how informatiion about playlists are stored in QSettings

src/mainwindow.cpp

@@ -306,7 +306,6 @@ MainWindow::MainWindow(QNetworkAccessManager* network, QWidget *parent)
   playlistManager_->SetTabWidget(ui_.tab_widget);
   
   QTimer::singleShot(500,this,SLOT(InitPlaylists())) ; 
-    
 }
 
 MainWindow::~MainWindow() {

src/playlist.cpp

@@ -401,8 +401,8 @@ void Playlist::SetCurrentIsPaused(bool paused) {
 void Playlist::SaveR() const {
   QSettings s;
   Q_ASSERT(index_ != -1 ) ; 
-  QString setGrp = kSettingsGroup + QString::number(index_) ; 
-  s.beginGroup(setGrp);
+  s.beginGroup(kSettingsGroup);
+  s.beginGroup(title_);
   s.beginWriteArray("items", items_.count());
   for (int i=0 ; i<items_.count() ; ++i) {
     s.setArrayIndex(i);
@@ -411,6 +411,8 @@ void Playlist::SaveR() const {
   }
   s.endArray();
   s.setValue("title",title_);
+  s.endGroup();
+  s.endGroup();
 }
 
 void Playlist::RestoreR() {
@@ -418,8 +420,8 @@ void Playlist::RestoreR() {
   items_.clear();
 
   QSettings s;
-  QString setGrp = kSettingsGroup + QString::number(index_) ; 
-  s.beginGroup(setGrp);
+  s.beginGroup(kSettingsGroup);
+  s.beginGroup(title_);
 
   int count = s.beginReadArray("items");
   for (int i=0 ; i<count ; ++i) {
@@ -434,7 +436,8 @@ void Playlist::RestoreR() {
     items_ << item;
   }
   s.endArray();
-  title_ = s.value("title").toString();
+  s.endGroup();
+  s.endGroup();
   reset();
 }
 

src/playlistmanager.cpp

@@ -67,14 +67,14 @@ bool PlaylistManager::Restore(){
   bool bOk ; 
   int nOfPlaylist = s.value("numberofplaylists").toInt(&bOk) ; 
   playlistCount_ = nOfPlaylist ;
-  qDebug() << nOfPlaylist ; 
+  s.beginGroup(Playlist::kSettingsGroup);
+  QStringList childs = s.childGroups() ; 
   if ( bOk == false || nOfPlaylist == 0 ) {
     qDebug()<< "No reading from settings"; 
     return false; 
   }
-  int nCurrentIndex = -1 ;
-  for ( int i=0;i<nOfPlaylist;++i){
-    
+  int index = 0;
+  foreach ( QString title, childs ) {
     PlaylistView* playListView = new PlaylistView(pTabWidget_);
   
     playListView->setObjectName(QString::fromUtf8("playlist"));
@@ -94,20 +94,35 @@ bool PlaylistManager::Restore(){
     playListView->setModel(playList);
     playList->IgnoreSorting(false);
     
-    playList->SetPlaylistIndex( i+1 ) ; 
+    playList->SetPlaylistIndex( index+1 ) ; 
+    playList->SetTitle(title);
     playList->RestoreR() ; 
     
     pTabWidget_->addTab( playListView, playList->GetTitle() );
   
     SetCurrentPlaylist(playList);
     pCurrentPlaylistView_ = playListView ;
-    playlists_ << playList ; 
+    playlists_ << playList ;
   }
+  int nCurrentIndex = -1 ;
   int currentIndex = s.value("currentplaylistindex").toInt(&bOk);
   if(bOk)
     pTabWidget_->setCurrentIndex(currentIndex);
   return true ; 
 }
-
-
-
+void PlaylistManager::TabCloseRequest(int index){
+  const PlaylistView* playListView = qobject_cast<const PlaylistView*> (pTabWidget_->widget(index)) ; 
+  Playlist* playlist = qobject_cast<Playlist*>( playListView->model() ) ; 
+  playlists_.removeAll(playlist);
+  pTabWidget_->removeTab(index);
+  
+  QSettings s ; 
+  s.beginGroup(Playlist::kSettingsGroup);
+  s.remove(playlist->GetTitle());
+}
+void PlaylistManager::SetTabWidget(QTabWidget* pWidget) { 
+  if ( pTabWidget_ )
+    disconnect ( pTabWidget_, SIGNAL(tabCloseRequested(int)),this, SLOT(TabCloseRequest(int)));
+  pTabWidget_ = pWidget ; 
+  connect ( pTabWidget_, SIGNAL(tabCloseRequested(int)),this, SLOT(TabCloseRequest(int)));
+}

src/playlistmanager.h

@@ -14,7 +14,7 @@ class PlaylistManager : public QObject{
     void addPlaylist( const QString& playlistName = QString() ) ; 
     
     // accessors
-    void SetTabWidget( QTabWidget * pWidget ) { pTabWidget_ = pWidget ; } 
+    void SetTabWidget( QTabWidget * pWidget ) ; 
     QTabWidget* GetTabWidget() const {return pTabWidget_; }
     
     void SetCurrentPlaylist ( Playlist * pPlaylist ) ; 
@@ -32,6 +32,9 @@ class PlaylistManager : public QObject{
     int playlistCount_ ; 
   signals:
     void CurrentPlaylistChanged( Playlist* pPlaylist ) ; 
+    
+  private slots:
+    void TabCloseRequest( int index ) ;
 };
 
 #endif // PLAYLISTMANAGER_H