playlist editor: make playlist deletion work

src/actions.cpp

@@ -724,12 +724,13 @@ void DeleteBrowserItems::run()
 
 bool DeleteStoredPlaylist::canBeRun() const
 {
-	return myScreen->isActiveWindow(myPlaylistEditor->Playlists)
-	    && myPlaylistEditor->Playlists.empty();
+	return myScreen->isActiveWindow(myPlaylistEditor->Playlists);
 }
 
 void DeleteStoredPlaylist::run()
 {
+	if (myPlaylistEditor->Playlists.empty())
+		return;
 	boost::format question;
 	if (hasSelected(myPlaylistEditor->Playlists.begin(), myPlaylistEditor->Playlists.end()))
 		question = boost::format("Delete selected playlists?");
@@ -740,10 +741,8 @@ void DeleteStoredPlaylist::run()
 	if (yes)
 	{
 		auto list = getSelectedOrCurrent(myPlaylistEditor->Playlists.begin(), myPlaylistEditor->Playlists.end(), myPlaylistEditor->Playlists.currentI());
-		Mpd.StartCommandsList();
 		for (auto it = list.begin(); it != list.end(); ++it)
 			Mpd.DeletePlaylist((*it)->value());
-		Mpd.CommitCommandsList();
 		Statusbar::printf("%1% deleted", list.size() == 1 ? "Playlist" : "Playlists");
 	}
 	else

src/playlist_editor.cpp

@@ -156,11 +156,14 @@ void PlaylistEditor::update()
 		Playlists.refresh();
 	}
 	
-	if (!Playlists.empty()
-	&& ((Content.reallyEmpty() && Global::Timer - m_timer > m_fetching_delay) || m_content_update_requested)
-	)
+	if ((Content.reallyEmpty() && Global::Timer - m_timer > m_fetching_delay)
+	||  m_content_update_requested)
 	{
 		m_content_update_requested = false;
+		if (Playlists.empty())
+			Content.clear();
+		else
+		{
 			Content.clearSearchResults();
 			withUnfilteredMenuReapplyFilter(Content, [this]() {
 				size_t idx = 0;
@@ -191,6 +194,7 @@ void PlaylistEditor::update()
 				}
 				Content.setTitle(title);
 			});
+		}
 		Content.display();
 	}