[gnome-music/wip/gbsneto/contained-playlists: 33/35] playlistview: Select previous playlist if next not available

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 210b0321d6bcdeb4e366bcfc417f09957b154fbf
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Dec 1 21:08:22 2016 -0200

    playlistview: Select previous playlist if next not available
    
    When removing the last playlist of the view, there is no next
    playlist to select, leading us to an invalid state.
    
    Fix that by selecting the previous row when the next is not
    available.

 gnomemusic/views/playlistview.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gnomemusic/views/playlistview.py b/gnomemusic/views/playlistview.py
index ded0a4a..d0f6afe 100644
--- a/gnomemusic/views/playlistview.py
+++ b/gnomemusic/views/playlistview.py
@@ -362,6 +362,8 @@ class PlaylistView(BaseView):
         row = self.playlists_sidebar.get_selected_row()
         next_row = self.playlists_sidebar.get_row_at_index(
                                                 self.current_playlist_index + 1)
+        prev_row = self.playlists_sidebar.get_row_at_index(
+                                                self.current_playlist_index - 1)
         self.pl_todelete_index = self.current_playlist_index
         self.pl_todelete_row = row
         self.pl_todelete = row.playlist
@@ -374,6 +376,9 @@ class PlaylistView(BaseView):
         if next_row:
             self.playlists_sidebar.select_row(next_row)
             next_row.emit('activate')
+        elif prev_row:
+            self.playlists_sidebar.select_row(prev_row)
+            prev_row.emit('activate')
 
     @log
     def undo_playlist_deletion(self):