[gnome-music/wip/gbsneto/contained-playlists: 5/7] playlistview: Select previous playlist if next not available

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

commit 8ab289bb96a07c05e1dad9d3f93dcffb7d2cf456
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 8c73a05..9f40dc8 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):