-# Copyright (C) 2010 Massimo Sandal <devicerandom@gmail.com>
-# W. Trevor King <wking@drexel.edu>
+# Copyright (C) 2010-2012 W. Trevor King <wking@tremily.us>
#
# This file is part of Hooke.
#
-# Hooke is free software: you can redistribute it and/or modify it
-# under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation, either version 3 of the
-# License, or (at your option) any later version.
+# Hooke is free software: you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free
+# Software Foundation, either version 3 of the License, or (at your option) any
+# later version.
#
-# Hooke is distributed in the hope that it will be useful, but WITHOUT
-# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
-# Public License for more details.
+# Hooke is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+# details.
#
-# You should have received a copy of the GNU Lesser General Public
-# License along with Hooke. If not, see
-# <http://www.gnu.org/licenses/>.
+# You should have received a copy of the GNU Lesser General Public License
+# along with Hooke. If not, see <http://www.gnu.org/licenses/>.
"""Playlist panel for Hooke.
del(self._hit_id)
name = self._name_for_id[_id]
if self._is_curve(name):
- self.delete_curve(playlist_name=name[0], name=name[1])
+ self._delete_curve(playlist_name=name[0], name=name[1])
else:
- self.delete_playlist(name)
+ self._delete_playlist(name)
- def delete_playlist(self, name):
+ def _delete_playlist(self, name):
"""Delete a :class:`hooke.playlist.Playlist` by name.
- Called by the :meth:`_on_delete` handler.
-
- Removes the playlist and its curves from the tree, then calls
- :meth:`_delete_playlist`.
+ Called by the :meth:`_on_delete` handler. Calls the
+ approptiate interface callback.
"""
_id = self._id_for_name[name]
- self.Delete(_id)
playlist = self._playlists[name]
- self._delete_playlist(playlist)
in_callback(self, playlist)
- def _delete_playlist(self, playlist):
- """Adjust name/id caches for the playlist and its curves.
+ def delete_playlist(self, playlist):
+ """Respond to playlist deletion.
Called on *every* playlist deletion.
"""
self._playlists.pop(playlist.name)
_id = self._id_for_name.pop(playlist.name)
+ self.Delete(_id)
del(self._name_for_id[_id])
for curve in playlist:
self._delete_curve(playlist, curve)
- in_callback(self, playlist)
- def delete_curve(self, playlist_name, name):
+ def _delete_curve(self, playlist_name, name):
"""Delete a :class:`hooke.curve.Curve` by name.
- Called by the :meth:`_on_delete` handler.
-
- Removes the curve from the tree, then calls
- :meth:`_delete_curve`.
+ Called by the :meth:`_on_delete` handler. Calls the
+ approptiate interface callback.
"""
_id = self._id_for_name[(playlist_name, name)]
- self.Delete(_id)
playlist = self._playlists[playlist_name]
curve = None
for i,c in enumerate(playlist):
if c.name == name:
curve = c
break
- self._delete_curve(playlist, curve)
+ if curve is None:
+ raise ValueError(name)
in_callback(self, playlist, curve)
- def _delete_curve(self, playlist, curve):
- """Adjust name/id caches.
+ def delete_curve(self, playlist_name, name):
+ """Respond to curve deletions.
- Called on _every_ curve deletion.
+ Called on *every* curve deletion.
"""
- _id = self._id_for_name.pop((playlist.name, curve.name))
+ _id = self._id_for_name.pop((playlist_name, name))
+ self.Delete(_id)
del(self._name_for_id[_id])
- in_callback(self, playlist, curve)
# Get selection
"""Absorb changed `.index()`, etc.
"""
self._playlists[playlist.name] = playlist
+ cnames = set()
+ for curve in playlist:
+ if (playlist.name, curve.name) not in self._id_for_name:
+ self._add_curve(playlist.name, curve)
+ cnames.add(curve.name)
+ for name in self._id_for_name.keys():
+ if not self._is_curve(name):
+ continue
+ pname,cname = name
+ if pname != playlist.name:
+ continue
+ if cname not in cnames:
+ self.delete_curve(playlist_name=pname, name=cname)
+
+ def is_playlist_loaded(self, playlist):
+ """Return `True` if `playlist` is loaded, `False` otherwise.
+ """
+ return self.is_playlist_name_loaded(playlist.name)
+
+ def is_playlist_name_loaded(self, name):
+ """Return `True` if a playlist named `name` is loaded, `False`
+ otherwise.
+ """
+ return name in self._playlists
class Playlist (Panel, wx.Panel):
# Following DRY and the LoD.
for attribute_name in dir(self._c['tree']):
if (attribute_name.startswith('_')
- or 'playlist' not in attribute_name
- or 'curve' not in attribute_name):
+ or ('playlist' not in attribute_name
+ and 'curve' not in attribute_name)):
continue # not an attribute we're interested in
attr = getattr(self._c['tree'], attribute_name)
if hasattr(attr, '__call__'): # attr is a function / method
projects / hooke.git / blobdiff