class PrimaryPerspective(Perspective):
"""The primary/default perspective.
This class handles display elements while in the primary perspective, which
is the default perspective.
"""
ID = 1
def __init__(self, display) -> None:
"""
Overrides method from Perspective; see documentation in that class.
"""
super().__init__(display)
self._active_window = 0
self._feed_window = None
self._episode_window = None
self._metadata_window = None
self._feed_menu = None
self._episode_menu = None
self._metadata_updated = False
def create_windows(self) -> None:
"""Create and set basic parameters for the windows.
Overrides method from Perspective; see documentation in that class.
"""
# delete old windows if they exist
if self._feed_window is not None:
del self._feed_window
self._feed_window = None
if self._episode_window is not None:
del self._episode_window
self._episode_window = None
if self._metadata_window is not None:
del self._metadata_window
self._metadata_window = None
parent_x = self._display.parent_x
parent_y = self._display.parent_y
third_x = helpers.third(parent_x)
self._feed_window = curses.newwin(parent_y - 2, third_x, 2, 0)
self._episode_window = curses.newwin(parent_y - 2, third_x, 2, third_x)
metadata_width = parent_x - ((third_x * 2) - 1)
self._metadata_window = curses.newwin(parent_y - 3, metadata_width, 2,
2 * third_x)
# update menus if necessary
if self._feed_menu is not None:
self._feed_menu.window = self._feed_window
if self._episode_menu is not None:
self._episode_menu.window = self._episode_window
def create_menus(self) -> None:
"""Create the menus used in each window.
Overrides method from Perspective; see documentation in that class.
"""
assert all(window is not None
for window in [self._feed_window, self._episode_window])
self._episode_menu = EpisodeMenu(self._episode_window,
self._display.database)
self._feed_menu = FeedMenu(self._feed_window,
self._display.database,
child=self._episode_menu,
active=True)
def display(self) -> None:
"""Draws all windows and sub-features, including titles and borders.
Overrides method from Perspective; see documentation in that class.
"""
# clear dynamic menu headers
self._feed_window.addstr(0, 0, " " * self._feed_window.getmaxyx()[1])
self._episode_window.addstr(0, 0,
" " * self._episode_window.getmaxyx()[1])
# add window headers
self._feed_window.addstr(0, 0, self._feed_menu.title,
curses.color_pair(7) | curses.A_BOLD)
self._episode_window.addstr(0, 0, self._episode_menu.title,
curses.color_pair(7) | curses.A_BOLD)
self._metadata_window.addstr(0, 0, "Metadata",
curses.color_pair(7) | curses.A_BOLD)
# add window borders
self._feed_window.hline(1, 0, 0,
self._feed_window.getmaxyx()[1],
curses.ACS_HLINE | curses.color_pair(8))
self._episode_window.hline(1, 0, 0,
self._episode_window.getmaxyx()[1],
curses.ACS_HLINE | curses.color_pair(8))
self._metadata_window.hline(1, 0, 0,
self._metadata_window.getmaxyx()[1] - 1,
curses.ACS_HLINE | curses.color_pair(8))
if not helpers.is_true(Config["disable_vertical_borders"]):
self._feed_window.vline(0,
self._feed_window.getmaxyx()[1] - 1, 0,
self._feed_window.getmaxyx()[0] - 2,
curses.ACS_VLINE | curses.color_pair(8))
self._episode_window.vline(0,
self._episode_window.getmaxyx()[1] - 1,
0,
self._episode_window.getmaxyx()[0] - 2,
curses.ACS_VLINE | curses.color_pair(8))
# display menu content
self._feed_menu.display()
self._episode_menu.display()
# draw metadata
if not self._metadata_updated:
self._draw_metadata(self._metadata_window)
def handle_input(self, c) -> bool:
"""Performs action corresponding to the user's input.
Overrides method from Perspective; see documentation in that class.
"""
queue = self._display.queue
key_mapping = self._display.KEY_MAPPING
keep_running = True
if c == key_mapping[Config['key_play_selected']]:
queue.stop()
queue.clear()
self._create_player_from_selected()
queue.play()
elif c == key_mapping[Config['key_add_selected']]:
self._create_player_from_selected()
self._get_active_menu().move(-1)
else:
keep_running = self._generic_handle_input(c)
return keep_running
def made_active(self) -> None:
"""Called each time the perspective is made active (switched to).
Overrides method from Perspective; see documentation in that class.
"""
def update_menus(self) -> None:
"""Update/refresh the contents of all menus.
Overrides method from Perspective; see documentation in that class.
"""
self._feed_menu.update_items(None)
self._feed_menu.update_child()
def refresh(self) -> None:
"""Refresh the screen and all windows.
Overrides method from Perspective; see documentation in that class.
"""
self._feed_window.refresh()
self._episode_window.refresh()
self._metadata_window.refresh()
self._feed_menu.refresh()
def _get_active_menu(self) -> Menu:
"""Retrieve the active Menu, if there is one.
Overrides method from Perspective; see documentation in that class.
"""
assert 0 <= self._active_window < 2
return {
0: self._feed_menu,
1: self._episode_menu,
}.get(self._active_window)
def _invert_selected_menu(self) -> None:
"""Inverts the contents of the selected menu.
Overrides method from Perspective; see documentation in that class.
"""
self._get_active_menu().invert()
if self._feed_menu:
self._feed_menu.update_child()
def _create_player_from_selected(self) -> None:
"""Creates player(s) based on the selected items and adds to the queue.
If the active menu is the feed menu, then this will create players for
all episodes in the selected feed. If the active menu is the episode
menu, this will simply create a single player.
This method will not clear the queue prior to adding the new player(s),
nor will it play the episodes after running.
"""
if self._active_window == 0:
feed = self._feed_menu.item
if feed is not None:
for episode in self._display.database.episodes(feed):
player = Player.create_instance(
self._display.AVAILABLE_PLAYERS, str(episode),
episode.get_playable(), episode)
self._display.queue.add(player)
elif self._active_window == 1:
episode = self._episode_menu.item
if episode is not None:
player = Player.create_instance(
self._display.AVAILABLE_PLAYERS, str(episode),
episode.get_playable(), episode)
self._display.queue.add(player)
class PrimaryPerspective(Perspective):
"""The PrimaryPerspective class.
This class handles display elements while in the primary perspective, which
is the default perspective.
"""
ID = 1
def __init__(self, display) -> None:
"""Initializes the object.
Overrides method from Perspective; see documentation in that class.
"""
super().__init__(display)
self._active_window = 0
self._feed_window = None
self._episode_window = None
self._metadata_window = None
self._feed_menu = None
self._episode_menu = None
self._metadata_updated = False
def create_windows(self) -> None:
"""Create and set basic parameters for the windows.
Overrides method from Perspective; see documentation in that class.
"""
# delete old windows if they exist
if self._feed_window is not None:
del self._feed_window
self._feed_window = None
if self._episode_window is not None:
del self._episode_window
self._episode_window = None
if self._metadata_window is not None:
del self._metadata_window
self._metadata_window = None
parent_x = self._display.parent_x
parent_y = self._display.parent_y
third_x = helpers.third(parent_x)
self._feed_window = curses.newwin(parent_y - 2, third_x, 2, 0)
self._episode_window = curses.newwin(parent_y - 2, third_x, 2, third_x)
metadata_width = parent_x - ((third_x * 2) - 1)
self._metadata_window = curses.newwin(parent_y - 2, metadata_width, 2,
2 * third_x)
self._feed_window.attron(curses.color_pair(1))
self._episode_window.attron(curses.color_pair(1))
self._metadata_window.attron(curses.color_pair(1))
# update menus if necessary
if self._feed_menu is not None:
self._feed_menu.window = self._feed_window
if self._episode_menu is not None:
self._episode_menu.window = self._episode_window
def create_menus(self) -> None:
"""Create the menus used in each window.
Overrides method from Perspective; see documentation in that class.
"""
assert all(window is not None
for window in [self._feed_window, self._episode_window])
self._episode_menu = EpisodeMenu(self._episode_window,
self._display.database)
self._feed_menu = FeedMenu(self._feed_window,
self._display.database,
child=self._episode_menu,
active=True)
def display(self) -> None:
"""Draws all windows and sub-features, including titles and borders.
Overrides method from Perspective; see documentation in that class.
"""
# add window titles
self._feed_window.attron(curses.A_BOLD)
self._episode_window.attron(curses.A_BOLD)
self._metadata_window.attron(curses.A_BOLD)
self._feed_window.addstr(0, 0, "Feeds")
self._episode_window.addstr(0, 0, "Episodes")
self._metadata_window.addstr(0, 0, "Metadata")
# add window borders
self._feed_window.hline(1, 0, 0, self._feed_window.getmaxyx()[1])
self._episode_window.hline(1, 0, 0, self._episode_window.getmaxyx()[1])
self._metadata_window.hline(1, 0, 0,
self._metadata_window.getmaxyx()[1] - 1)
if not helpers.is_true(Config["disable_vertical_borders"]):
self._feed_window.vline(0,
self._feed_window.getmaxyx()[1] - 1, 0,
self._feed_window.getmaxyx()[0] - 2)
self._episode_window.vline(0,
self._episode_window.getmaxyx()[1] - 1,
0,
self._episode_window.getmaxyx()[0] - 2)
# display menu content
self._feed_menu.display()
self._episode_menu.display()
# draw metadata
if not self._metadata_updated:
self._draw_metadata(self._metadata_window)
def handle_input(self, c) -> bool:
"""Performs action corresponding to the user's input.
Overrides method from Perspective; see documentation in that class.
"""
queue = self._display.queue
key_mapping = self._display.KEY_MAPPING
keep_running = True
if c == key_mapping[Config['key_exit']]:
self._display.terminate()
keep_running = False
elif c == key_mapping[Config['key_help']]:
self._display.show_help()
elif c == key_mapping[Config['key_right']]:
self._change_active_window(1)
self._metadata_updated = False
elif c == key_mapping[Config['key_left']]:
self._change_active_window(-1)
self._metadata_updated = False
elif c == key_mapping[Config['key_up']]:
self._get_active_menu().move(1)
self._metadata_updated = False
elif c == key_mapping[Config['key_down']]:
self._get_active_menu().move(-1)
self._metadata_updated = False
elif c == key_mapping[Config['key_scroll_up']]:
self._get_active_menu().move_page(1)
self._metadata_updated = False
elif c == key_mapping[Config['key_scroll_down']]:
self._get_active_menu().move_page(-1)
self._metadata_updated = False
elif c == key_mapping[Config['key_play_selected']]:
queue.stop()
queue.clear()
self._create_player_from_selected()
queue.play()
elif c == key_mapping[Config['key_add_selected']]:
self._create_player_from_selected()
self._get_active_menu().move(-1)
elif c == key_mapping[Config['key_clear']]:
queue.stop()
queue.clear()
elif c == key_mapping[Config['key_pause_play']] or \
c == key_mapping[Config['key_pause_play_alt']]:
queue.toggle()
elif c == key_mapping[Config['key_next']]:
queue.stop()
queue.next()
queue.play()
elif c == key_mapping[Config['key_seek_forward']] or \
c == key_mapping[Config['key_seek_forward_alt']]:
queue.seek(1)
elif c == key_mapping[Config['key_seek_backward']] or \
c == key_mapping[Config['key_seek_backward_alt']]:
queue.seek(-1)
elif c == key_mapping[Config['key_add_feed']]:
self._display.add_feed()
elif c == key_mapping[Config['key_delete']]:
if self._active_window == 0:
self._display.delete_feed(self._feed_menu.item())
self._feed_menu.update_child()
elif c == key_mapping[Config['key_reload']]:
self._display.reload_feeds()
elif c == key_mapping[Config['key_save']]:
if self._active_window == 0 and self._feed_menu.item():
self._display.save_episodes(feed=self._feed_menu.item())
elif self._active_window == 1 and self._episode_menu.item():
self._display.save_episodes(episode=self._episode_menu.item())
elif c == key_mapping[Config['key_invert']]:
self._invert_selected_menu()
elif c == key_mapping[Config['key_mark_played']]:
if self._active_window == 0:
feed = self._feed_menu.item()
if feed is not None:
episodes = self._display.database.episodes(feed)
for episode in episodes:
episode.played = not episode.played
self._display.modified_episodes.extend(episodes)
elif self._active_window == 1:
episode = self._episode_menu.item()
if episode is not None:
episode.played = not episode.played
self._display.modified_episodes.append(episode)
self._episode_menu.move(-1)
return keep_running
def made_active(self) -> None:
"""Called each time the perspective is made active (switched to).
Overrides method from Perspective; see documentation in that class.
"""
def update_menus(self) -> None:
"""Update/refresh the contents of all menus.
Overrides method from Perspective; see documentation in that class.
"""
self._feed_menu.update_items(None)
self._feed_menu.update_child()
def refresh(self) -> None:
"""Refresh the screen and all windows.
Overrides method from Perspective; see documentation in that class.
"""
self._feed_window.refresh()
self._episode_window.refresh()
self._metadata_window.refresh()
def _get_active_menu(self) -> Menu:
"""Retrieve the active Menu, if there is one.
Overrides method from Perspective; see documentation in that class.
"""
assert 0 <= self._active_window < 2
return {
0: self._feed_menu,
1: self._episode_menu,
}.get(self._active_window)
def _create_player_from_selected(self) -> None:
"""Creates player(s) based on the selected items and adds to the queue.
If the active menu is the feed menu, then this will create players for
all episodes in the selected feed. If the active menu is the episode
menu, this will simply create a single player.
This method will not clear the queue prior to adding the new player(s),
nor will it play the episodes after running.
"""
if self._active_window == 0:
feed = self._feed_menu.item()
if feed is not None:
for episode in self._display.database.episodes(feed):
player = Player.create_instance(
self._display.AVAILABLE_PLAYERS, str(episode),
episode.get_playable(), episode)
self._display.queue.add(player)
elif self._active_window == 1:
episode = self._episode_menu.item()
if episode is not None:
player = Player.create_instance(
self._display.AVAILABLE_PLAYERS, str(episode),
episode.get_playable(), episode)
self._display.queue.add(player)
def _invert_selected_menu(self) -> None:
"""Inverts the contents of the selected menu.
"""
self._get_active_menu().invert()
if self._feed_menu:
self._feed_menu.update_child()