update the playlistview when a playlist is renamed, fixes TWK-168

src/libtomahawk/playlist/dynamic/widgets/DynamicWidget.cpp

@@ -138,6 +138,7 @@ DynamicWidget::loadDynamicPlaylist( const Tomahawk::dynplaylist_ptr& playlist )
         disconnect( m_playlist.data(), SIGNAL( dynamicRevisionLoaded( Tomahawk::DynamicPlaylistRevision) ), this, SLOT(onRevisionLoaded( Tomahawk::DynamicPlaylistRevision) ) );
         disconnect( m_playlist->generator().data(), SIGNAL( error( QString, QString ) ), this, SLOT( generatorError( QString, QString ) ) );
         disconnect( m_playlist.data(), SIGNAL( deleted( Tomahawk::dynplaylist_ptr ) ), this, SLOT( onDeleted() ) );
+        disconnect( m_playlist.data(), SIGNAL( changed() ), this, SLOT( onChanged() ) );
     }
 
 
@@ -165,6 +166,7 @@ DynamicWidget::loadDynamicPlaylist( const Tomahawk::dynplaylist_ptr& playlist )
     connect( m_playlist.data(), SIGNAL( dynamicRevisionLoaded( Tomahawk::DynamicPlaylistRevision ) ), this, SLOT( onRevisionLoaded( Tomahawk::DynamicPlaylistRevision ) ) );
     connect( m_playlist->generator().data(), SIGNAL( error( QString, QString ) ), this, SLOT( generatorError( QString, QString ) ) );
     connect( m_playlist.data(), SIGNAL( deleted( Tomahawk::dynplaylist_ptr ) ), this, SLOT( onDeleted() ) );
+    connect( m_playlist.data(), SIGNAL( changed() ), this, SLOT( onChanged() ) );
 }
 
 
@@ -418,3 +420,10 @@ DynamicWidget::onDeleted()
     emit destroyed( widget() );
     deleteLater();
 }
+
+void
+DynamicWidget::onChanged()
+{
+    if( !m_playlist.isNull() )
+        emit nameChanged( m_playlist->title() );
+}

src/libtomahawk/playlist/dynamic/widgets/DynamicWidget.h

@@ -95,6 +95,7 @@ public slots:
     void tracksAdded();
 
 signals:
+    void nameChanged( const QString& name );
     void descriptionChanged( const QString& caption );
     void destroyed( QWidget* widget );
 
@@ -109,6 +110,7 @@ private slots:
 
     void layoutFloatingWidgets();
     void onDeleted();
+    void onChanged();
 
 private:
     dynplaylist_ptr m_playlist;

src/libtomahawk/playlist/playlistview.cpp

@@ -74,6 +74,7 @@ PlaylistView::setPlaylistModel( PlaylistModel* model )
 
     connect( m_model, SIGNAL( trackCountChanged( unsigned int ) ), SLOT( onTrackCountChanged( unsigned int ) ) );
     connect( m_model, SIGNAL( playlistDeleted() ), SLOT( onDeleted() ) );
+    connect( m_model->playlist().data(), SIGNAL( changed() ), SLOT( onChanged() ) );
 }
 
 
@@ -181,3 +182,10 @@ PlaylistView::onDeleted()
     emit destroyed( widget() );
     deleteLater();
 }
+
+void
+PlaylistView::onChanged()
+{
+    if ( m_model && !m_model->playlist().isNull() )
+        emit nameChanged( m_model->playlist()->title() );
+}

src/libtomahawk/playlist/playlistview.h

@@ -54,6 +54,7 @@ public:
     virtual bool jumpToCurrentTrack();
 
 signals:
+    void nameChanged( const QString& title );
     void destroyed( QWidget* widget );
 
 protected:
@@ -67,6 +68,7 @@ private slots:
     void deleteItems();
 
     void onDeleted();
+    void onChanged();
 private:
     void setupMenus();
 

src/libtomahawk/viewmanager.cpp

@@ -158,10 +158,10 @@ ViewManager::createPageForPlaylist( const playlist_ptr& pl )
     PlaylistView* view = new PlaylistView();
 
     PlaylistModel* model = new PlaylistModel();
+    model->loadPlaylist( pl );
     view->setPlaylistModel( model );
     view->setFrameShape( QFrame::NoFrame );
     view->setAttribute( Qt::WA_MacShowFocusRect, 0 );
-    model->loadPlaylist( pl );
     pl->resolve();
 
     m_playlistViews.insert( pl, view );
@@ -626,10 +626,10 @@ ViewManager::setPage( ViewPage* page, bool trackHistory )
         // if the signal exists (just to hide the qobject runtime warning...)
         if( obj->metaObject()->indexOfSignal( "descriptionChanged(QString)" ) > -1 )
             connect( obj, SIGNAL( descriptionChanged( QString ) ), m_infobar, SLOT( setDescription( QString ) ), Qt::UniqueConnection );
-    }
+
-    if ( QObject* obj = dynamic_cast< QObject* >( currentPage() ) )
+        if( obj->metaObject()->indexOfSignal( "nameChanged(QString)" ) > -1 )
-    {
+            connect( obj, SIGNAL( nameChanged( QString ) ), m_infobar, SLOT( setCaption( QString ) ), Qt::UniqueConnection );
-        // if the signal exists (just to hide the qobject runtime warning...)
+
         if( obj->metaObject()->indexOfSignal( "destroyed(QWidget*)" ) > -1 )
             connect( obj, SIGNAL( destroyed( QWidget* ) ), SLOT( onWidgetDestroyed( QWidget* ) ), Qt::UniqueConnection );
     }