def _create_track_menu(self, tracks):
"""
Create a track menu. This menu contains list of all tracks on album.
@param tracks: List of CompactDisc objects
"""
menu = TextMenu(0.4978, 0.2344, 0.4393, 0.0781)
menu.visible_rows = 7
tracks_list = [[track.title, track.length_string, index] \
for index, track in enumerate(tracks)]
menu.async_add(tracks_list)
menu.active = True
menu.connect('selected', self._handle_select)
menu.connect('moved', self._display_selected_track)
return menu
class Question(Screen):
'''Screen is displayed when the application needs to ask a close ended
question to the user.'''
def __init__(self, move_to_previous_screen_callback, question,
answers, callbacks=None):
Screen.__init__(self, 'Question')
self.move_to_previous_screen_callback = move_to_previous_screen_callback
self.answers = answers
if callbacks is None:
callbacks = []
self.callbacks = callbacks
screen_title = Label(0.13, "screentitle", 0, 0.87, _("Question"))
self.add(screen_title)
question_label = Label(0.04167, "text", 0.095, 0.13, str(question))
self.add(question_label)
self.menu = None
self.display_answers()
def display_answers(self):
'''Display a menu with answers on the screen.'''
self.menu = TextMenu(0.095, 0.5, 0.4393, 0.0781)
self.menu.set_name("questionmenu")
self.menu.connect('selected', self._handle_select)
for answer in self.answers:
self.menu.add_item(str(answer), None, str(answer))
self.menu.active = True
self.add(self.menu)
def question_callback(self, selected_answer):
'''Call the method associated with the selected answer.'''
callback_loc = 0
for answer in self.answers:
if str(answer) == selected_answer:
break
callback_loc += 1
if callback_loc < len(self.callbacks):
callback = self.callbacks[callback_loc]
if callback != None:
callback()
def go_back(self):
'''Go back to previous screen'''
self.move_to_previous_screen_callback()
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
self.menu.up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
self.menu.down()
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
self.question_callback(self.menu.selected_userdata)
self.go_back()
class ArtistsTab(Tab):
'''Tab for the music screen to show artist listings'''
def __init__(self, music_library, artists, move_to_new_screen_callback,
name="artists", tab_title=_("Artists")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
self.library = music_library
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.1, 0.1)
self.throbber.show()
self.add(self.throbber)
self.menu = TextMenu(0.057, 0.208, 0.293, 0.078)
self.menu.items_per_row = 3
self.menu.visible_rows = 7
self.menu.visible_cols = 3
self.menu.active = False
self.menu.cursor = None
self.add(self.menu)
artists_list = [[artist, None, artist] for artist in artists]
self.menu.async_add_artists(artists_list)
# Create artist label
self.artist_title = Label(0.0416, "title", 0.22, 0.794, "")
self.artist_title.set_ellipsize(pango.ELLIPSIZE_END)
self.artist_title.set_line_wrap(False)
self.artist_title.width = 0.366
self.add(self.artist_title)
self.artist_albums = Label(0.0365, "subtitle", 0.22, 0.86, "")
self.add(self.artist_albums)
self.artist_tracks = Label(0.0365, "subtitle", 0.22, 0.911, "")
self.add(self.artist_tracks)
# Create artist menu list indicator
self.li = ListIndicator(0.77, 0.8, 0.18, 0.045,
ListIndicator.VERTICAL)
self.li.set_maximum(len(artists))
self.add(self.li)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
self.menu.connect("moved", self._update_artist_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
def can_activate(self):
'''Albums tab will always be created from an existing artist with at
least one album.'''
return True
def _update_artist_info(self, event=None):
'''Update the artist information labels'''
if self.active:
artist = self.menu.selected_userdata
self.artist_title.set_text(artist)
self.artist_albums.set_text(_("%(albums)d albums") %
{'albums': self.library.number_of_albums_by_artist(artist)})
self.artist_tracks.set_text(_("%(tracks)d tracks") %
{'tracks': self.library.number_of_tracks_by_artist(artist)})
self.li.show()
self.li.set_current(self.menu.selected_index + 1)
else:
self.artist_title.set_text("")
self.artist_albums.set_text("")
self.artist_tracks.set_text("")
self.li.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
artist = self.menu.selected_userdata
kwargs = { 'artist' : artist }
self.callback("artist", kwargs)
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_artist_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_artist_info()
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class TracksTab(Tab):
'''Tab for the artist screen to show track listings'''
def __init__(self, tracks, move_to_new_screen_callback, name="tracks",
tab_title=_("Tracks")):
Tab.__init__(self, name, tab_title, move_to_new_screen_callback)
# Start the loading animation while the menu is loading
self.throbber = LoadingAnimation(0.1, 0.1)
self.throbber.show()
self.add(self.throbber)
self.menu = TextMenu(0.0586, 0.2083, 0.2928, 0.0781)
self.menu.items_per_row = 3
self.menu.visible_rows = 7
self.menu.visible_cols = 3
self.menu.active = False
self.menu.cursor = None
self.add(self.menu)
tracks_list = [[track.title, None, track] for track in tracks]
self.menu.async_add_artists(tracks_list)
self.track_title = Label(0.045, "title", 0.22, 0.79, "")
self.track_title.set_ellipsize(pango.ELLIPSIZE_END)
self.track_title.set_line_wrap(False)
self.track_title.width = 0.366
self.add(self.track_title)
self.track_number = Label(0.037, "subtitle", 0.22, 0.86, "")
self.track_number.set_ellipsize(pango.ELLIPSIZE_END)
self.track_number.set_line_wrap(False)
self.track_number.width = 0.366
self.add(self.track_number)
self.track_length = Label(0.037, "subtitle", 0.22, 0.91, "")
self.add(self.track_length)
self.li = ListIndicator(0.77, 0.8, 0.18, 0.045,
ListIndicator.VERTICAL)
self.li.set_maximum(len(tracks))
self.li.show()
self.add(self.li)
self.connect('activated', self._on_activated)
self.connect('deactivated', self._on_deactivated)
self.menu.connect("moved", self._update_track_info)
self.menu.connect("selected", self._handle_select)
self.menu.connect("activated", self._on_activated)
self.menu.connect("filled", self._on_menu_filled)
def can_activate(self):
'''Tracks tab will always be created from an existing artist with at
least one track.'''
return True
def _update_track_info(self, event=None):
'''Update the track information labels'''
if self.active:
track = self.menu.selected_userdata
self.track_title.set_text(track.title)
self.track_length.set_text(track.length_string)
self.track_number.set_text(_("Track %(track)d from %(album)s") % \
{'track': track.number, 'album': track.album.title})
self.li.show()
self.li.set_current(self.menu.selected_index + 1)
else:
self.track_title.set_text("")
self.track_length.set_text("")
self.track_number.set_text("")
self.li.hide()
def _handle_up(self):
'''Handle the up user event.'''
if self.menu.on_top:
return True # Move control back to tab bar
else:
self.menu.up()
return False
def _handle_down(self):
'''Handle the down user event.'''
self.menu.down()
return False
def _handle_left(self):
'''Handle the left user event.'''
self.menu.left()
return False
def _handle_right(self):
'''Handle the right user event.'''
self.menu.right()
return False
def _handle_select(self, event=None):
'''Handle the select user event.'''
track = self.menu.selected_userdata
kwargs = { 'track' : track }
self.callback("audio_play", kwargs)
return False
def _on_activated(self, event=None):
'''Tab activated.'''
if self.tab_group is not None:
self.tab_group.active = False
self.menu.active = True
self.active = True
self._update_track_info()
return False
def _on_deactivated(self, event=None):
'''Tab deactivated.'''
self.active = False
self.menu.active = False
self._update_track_info()
return False
def _on_menu_filled(self, event=None):
'''Handles filled event.'''
self.throbber.hide()
class Question(Screen):
'''Screen is displayed when the application needs to ask a close ended
question to the user.'''
def __init__(self,
move_to_previous_screen_callback,
question,
answers,
callbacks=None):
Screen.__init__(self, 'Question')
self.move_to_previous_screen_callback = move_to_previous_screen_callback
self.answers = answers
if callbacks is None:
callbacks = []
self.callbacks = callbacks
screen_title = Label(0.13, "screentitle", 0, 0.87, _("Question"))
self.add(screen_title)
question_label = Label(0.04167, "text", 0.095, 0.13, str(question))
self.add(question_label)
self.menu = None
self.display_answers()
def display_answers(self):
'''Display a menu with answers on the screen.'''
self.menu = TextMenu(0.095, 0.5, 0.4393, 0.0781)
self.menu.set_name("questionmenu")
self.menu.connect('selected', self._handle_select)
for answer in self.answers:
self.menu.add_item(str(answer), None, str(answer))
self.menu.active = True
self.add(self.menu)
def question_callback(self, selected_answer):
'''Call the method associated with the selected answer.'''
callback_loc = 0
for answer in self.answers:
if str(answer) == selected_answer:
break
callback_loc += 1
if callback_loc < len(self.callbacks):
callback = self.callbacks[callback_loc]
if callback != None:
callback()
def go_back(self):
'''Go back to previous screen'''
self.move_to_previous_screen_callback()
def _handle_up(self):
'''Handle UserEvent.NAVIGATE_UP.'''
self.menu.up()
def _handle_down(self):
'''Handle UserEvent.NAVIGATE_DOWN.'''
self.menu.down()
def _handle_select(self, event=None):
'''Handle UserEvent.NAVIGATE_SELECT.'''
self.question_callback(self.menu.selected_userdata)
self.go_back()
