From de74cfcdca28ab34a98ab0823ab0509ae3228e6a Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Sat, 14 Aug 2010 04:32:23 -0400
Subject: [PATCH] Update (don't re-add) already loaded playlists in
 HookeFrame._postprocess_playlists

---
 hooke/ui/gui/__init__.py       | 3 +--
 hooke/ui/gui/panel/playlist.py | 5 +++++
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/hooke/ui/gui/__init__.py b/hooke/ui/gui/__init__.py
index 3d8a92d..271b00a 100644
--- a/hooke/ui/gui/__init__.py
+++ b/hooke/ui/gui/__init__.py
@@ -410,10 +410,9 @@ class HookeFrame (wx.Frame):
             return
         assert len(results) == 2, results
         playlists = results[0]
-        loaded_playlists = []  # TODO
         if 'playlist' in self._c:
             for playlist in playlists:
-                if playlist in loaded_playlists:
+                if self._c['playlist'].is_playlist_loaded(playlist):
                     self._c['playlist'].update_playlist(playlist)
                 else:
                     self._c['playlist'].add_playlist(playlist)
diff --git a/hooke/ui/gui/panel/playlist.py b/hooke/ui/gui/panel/playlist.py
index fd46d2d..a863dca 100644
--- a/hooke/ui/gui/panel/playlist.py
+++ b/hooke/ui/gui/panel/playlist.py
@@ -335,6 +335,11 @@ class Tree (wx.TreeCtrl):
         """
         self._playlists[playlist.name] = playlist
 
+    def is_playlist_loaded(self, playlist):
+        """Return `True` if a playlist is loaded, `False` otherwise.
+        """
+        return playlist.name in self._playlists
+
 
 class Playlist (Panel, wx.Panel):
     """:class:`wx.Panel` subclass wrapper for :class:`Tree`.
-- 
2.26.2