class Show(object):
# ******************************
# init a show
# ******************************
def base__init__(self, show_id, show_params, root, canvas, showlist,
pp_dir, pp_home, pp_profile, command_callback):
# instantiate arguments
self.show_id = show_id
self.show_params = show_params
self.root = root
self.show_canvas = canvas
self.canvas = canvas['canvas-obj']
self.show_canvas_x1 = canvas['show-canvas-x1']
self.show_canvas_y1 = canvas['show-canvas-y1']
self.show_canvas_x2 = canvas['show-canvas-x2']
self.show_canvas_y2 = canvas['show-canvas-y2']
self.show_canvas_width = canvas['show-canvas-width']
self.show_canvas_height = canvas['show-canvas-height']
self.show_canvas_centre_x = canvas['show-canvas-centre-x']
self.show_canvas_centre_y = canvas['show-canvas-centre-y']
self.showlist = showlist
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
self.command_callback = command_callback
# init things that will then be reinitialised by derived classes
self.medialist = None
# set up logging
self.mon = Monitor()
self.mon.set_log_level(16)
# create and instance of TimeOfDay scheduler so we can add events
self.tod = TimeOfDay()
# create an instance of showmanager so we can init child/subshows
self.show_manager = ShowManager(self.show_id, self.showlist,
self.show_params, self.root,
self.show_canvas, self.pp_dir,
self.pp_profile, self.pp_home)
# init variables
self.current_player = None
self.previous_player = None
self.shower = None
self.previous_shower = None
self.user_stop_signal = False
self.exit_signal = False
self.terminate_signal = False
self.show_timeout_signal = False
self.egg_timer = None
self.admin_message = None
self.ending_reason = ''
self.background_obj = None
self.background_file = ''
self.level = 0
self.subshow_kickback_signal = False
self.kickback_for_next_track = False
# get background image from profile.
# print 'background', self.show_params['background-image']
if self.show_params['background-image'] != '':
self.background_file = self.show_params['background-image']
def base_play(self, end_callback, show_ready_callback,
parent_kickback_signal, level, controls_list):
""" starts the common parts of the show
end_callback - function to be called when the show exits- callback gets last player of subshow
show_ready_callback - callback at start to get previous_player
top is True when the show is top level (run from [start] or by show command from another show)
direction_command - 'forward' or 'backward' direction to play a subshow
"""
# instantiate the arguments
self.end_callback = end_callback
self.show_ready_callback = show_ready_callback
self.parent_kickback_signal = parent_kickback_signal
self.level = level
# not needed as controls list is not passed down to subshows.
# self.controls_list=controls_list
self.mon.trace(
self,
self.show_params['show-ref'] + ' at level ' + str(self.level))
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Starting show")
# check data files are available.
if self.show_params['medialist'] == '':
self.mon.err(self,
"Blank Medialist in: " + self.show_params['title'])
self.end('error',
"Blank Medialist in: " + self.show_params['title'])
self.medialst_file = self.pp_profile + "/" + self.show_params[
'medialist']
if not os.path.exists(self.medialst_file):
self.mon.err(self,
"Medialist file not found: " + self.medialst_file)
self.end('error',
"Medialist file not found: " + self.medialst_file)
# read the medialist for the show
if self.medialist.open_list(self.medialst_file,
self.showlist.sissue()) is False:
self.mon.err(self, "Version of medialist different to Pi Presents")
self.end('error', "Version of medialist different to Pi Presents")
if self.show_ready_callback is not None:
# get the previous player from calling show its stored in current because its going to be shuffled before use
self.previous_shower, self.current_player = self.show_ready_callback(
)
self.mon.trace(
self, ' - previous shower and player is ' +
self.mon.pretty_inst(self.previous_shower) + ' ' +
self.mon.pretty_inst(self.current_player))
#load the show background
reason, message = Show.base_load_show_background(self)
if reason == 'error':
self.mon.err(self, message)
self.end('error', message)
# dummy, must be overidden by derived class
def subshow_ready_callback(self):
self.mon.err(self, "subshow_ready_callback not overidden")
# set what to do when closed or unloaded
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
def base_subshow_ready_callback(self):
# callback from begining of a subshow, provide previous player to called show
# used by show_ready_callback of called show
# in the case of a menushow last track is always the menu
self.mon.trace(
self, ' - sends ' + self.mon.pretty_inst(self.previous_player))
return self, self.previous_player
def base_shuffle(self):
self.previous_player = self.current_player
self.current_player = None
self.mon.trace(
self, ' - LOOP STARTS WITH current is: ' +
self.mon.pretty_inst(self.current_player))
self.mon.trace(
self, ' - previous is: ' +
self.mon.pretty_inst(self.previous_player))
def base_load_track_or_show(self, selected_track, loaded_callback,
end_shower_callback, enable_menu):
track_type = selected_track['type']
if track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index < 0:
self.mon.err(
self, "Show not found in showlist: " +
selected_track['sub-show'])
self.end('error',
'show not in showlist: ' + selected_track['sub-show'])
else:
self.showlist.select(index)
selected_show = self.showlist.selected_show()
self.shower = self.show_manager.init_subshow(
self.show_id, selected_show, self.show_canvas)
self.mon.trace(
self, ' - show is: ' + self.mon.pretty_inst(self.shower) +
' ' + selected_show['show-ref'])
if self.shower is None:
self.mon.err(self,
"Unknown Show Type: " + selected_show['type'])
self.terminate_signal = True
self.what_next_after_showing()
else:
# empty controls list as not used, pleases landscape
# print 'send direction to subshow from show',self.kickback_for_next_track
# Show.base_withdraw_show_background(self)
self.shower.play(end_shower_callback,
self.subshow_ready_callback,
self.kickback_for_next_track,
self.level + 1, [])
else:
# dispatch track by type
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Track type is: " + track_type)
self.current_player = self.base_init_selected_player(
selected_track)
#menu has no track file
if selected_track['type'] == 'menu':
track_file = ''
# messageplayer passes the text not a file name
elif selected_track['type'] == 'message':
track_file = selected_track['text']
else:
track_file = self.base_complete_path(
selected_track['location'])
self.mon.trace(self, ' - track is: ' + track_file)
self.mon.trace(
self, ' - current_player is: ' +
self.mon.pretty_inst(self.current_player))
self.current_player.load(track_file,
loaded_callback,
enable_menu=enable_menu)
# DUMMY, must be overidden by derived class
def what_next_after_showing(self):
self.mon.err(self, "what_next_after showing not overidden")
# set what to do when closed or unloaded
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
def base_init_selected_player(self, selected_track):
# dispatch track by type
track_type = selected_track['type']
self.mon.log(self, "Track type is: " + track_type)
if track_type == "image":
return ImagePlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "video":
return VideoPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "audio":
return AudioPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "web" and self.show_params['type'] not in (
'artmediashow', 'artliveshow'):
return BrowserPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "message":
return MessagePlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end,
self.command_callback)
elif track_type == "menu":
return MenuPlayer(self.show_id, self.showlist, self.root,
self.show_canvas, self.show_params,
selected_track, self.pp_dir, self.pp_home,
self.pp_profile, self.end, self.command_callback)
else:
return None
# DUMMY, must be overidden by derived class
def track_ready_callback(self, track_background):
self.mon.err(self, "track_ready_callback not overidden")
# set what to do when closed or unloaded
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
# called just before a track is shown to remove the previous track from the screen
# and if necessary close it
def base_track_ready_callback(self, enable_show_background):
self.mon.trace(self, '')
# show the show background done for every track but quick operation
if enable_show_background is True:
self.base_show_show_background()
else:
self.base_withdraw_show_background()
# !!!!!!!!! withdraw the background from the parent show
if self.previous_shower != None:
self.previous_shower.base_withdraw_show_background()
# close the player from the previous track
if self.previous_player is not None:
self.mon.trace(
self, ' - hiding previous: ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player.hide()
# print 'Not None - previous state is',self.previous_player.get_play_state()
if self.previous_player.get_play_state() == 'showing':
# print 'showing so closing previous'
# showing or frozen
self.mon.trace(
self, ' - closing previous: ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player.close(self._base_closed_callback_previous)
else:
self.mon.trace(self, ' - previous is none\n')
self.previous_player = None
self.canvas.update_idletasks()
def _base_closed_callback_previous(self, status, message):
self.mon.trace(
self, ' - previous is None - was: ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player = None
# used by end_shower to get the last track of the subshow
def base_end_shower(self):
self.mon.trace(self, ' - returned back to level: ' + str(self.level))
# get the previous subshow and last track it played
self.previous_shower, self.current_player = self.shower.base_subshow_ended_callback(
)
if self.previous_shower != None:
self.subshow_kickback_signal = self.shower.subshow_kickback_signal
# print 'get subshow kickback from subshow',self.subshow_kickback_signal
self.previous_shower.base_withdraw_show_background()
self.base_show_show_background()
self.previous_player = None
self.mon.trace(
self, '- get previous_player from subshow: ' +
self.mon.pretty_inst(self.current_player))
self.shower = None
# close or unload the current player when ending the show
def base_close_or_unload(self):
self.mon.trace(self, self.mon.pretty_inst(self.current_player))
# need to test for None because player may be made None by subshow lower down the stack for terminate
if self.current_player is not None:
self.mon.trace(self, self.current_player.get_play_state())
if self.current_player.get_play_state() in ('loaded', 'showing',
'show-failed'):
if self.current_player.get_play_state() == 'loaded':
self.mon.trace(
self,
' - unloading current from: ' + self.ending_reason)
self.current_player.unload()
else:
self.mon.trace(
self, ' - closing current from: ' + self.ending_reason)
self.current_player.close(None)
self._wait_for_end()
else:
# current_player is None because closed further down show stack
self.mon.trace(
self, ' - show ended with current_player=None because: ' +
self.ending_reason)
# if exiting pipresents then need to close previous show else get memotry leak
# if not exiting pipresents the keep previous so it can be closed when showing the next track
# print 'CURRENT PLAYER IS NONE' ,self.ending_reason
if self.ending_reason == 'killed':
self.base_close_previous()
elif self.ending_reason == 'error':
self.base_close_previous()
elif self.ending_reason == 'exit':
self.end('normal', "show quit by exit command")
elif self.ending_reason == 'user-stop':
self.end('normal', "show quit by stop operation")
else:
self.mon.fatal(
self, "Unhandled ending_reason: " + self.ending_reason)
self.end('error',
"Unhandled ending_reason: " + self.ending_reason)
def _base_closed_callback_current(self, status, message):
self.mon.trace(
self, ' current is None - was: ' +
self.mon.pretty_inst(self.current_player))
# wait for unloading or closing to complete then end
def _wait_for_end(self):
self.mon.trace(self, self.mon.pretty_inst(self.current_player))
if self.current_player is not None:
self.mon.trace(
self,
' - play state is ' + self.current_player.get_play_state())
if self.current_player.play_state not in ('unloaded', 'closed',
'load-failed'): ####
self.canvas.after(50, self._wait_for_end)
else:
self.mon.trace(
self, ' - current closed ' +
self.mon.pretty_inst(self.current_player) + ' ' +
self.ending_reason)
#why is some of thsi different to close and unload????????????? perhaps because current_player isn't none, just closed
if self.ending_reason == 'killed':
self.current_player.hide()
self.current_player = None
self.base_close_previous()
elif self.ending_reason == 'error':
self.current_player.hide()
self.current_player = None
self.base_close_previous()
elif self.ending_reason == 'exit':
self.current_player.hide()
self.current_player = None
self.base_close_previous()
elif self.ending_reason == 'change-medialist':
self.current_player.hide()
self.current_player = None
# self.base_close_previous()
# go to start of list via wait for trigger.
self.wait_for_trigger()
elif self.ending_reason == 'show-timeout':
self.current_player.hide()
self.current_player = None
self.end('normal', "show timeout")
elif self.ending_reason == 'user-stop':
if self.level != 0:
self.end('normal', "show quit by stop operation")
else:
self.current_player.hide()
self.current_player = None
self.base_close_previous()
else:
self.mon.fatal(
self, "Unhandled ending_reason: " + self.ending_reason)
self.end('error',
"Unhandled ending_reason: " + self.ending_reason)
else:
self.mon.trace(
self, ' - current is None ' +
self.mon.pretty_inst(self.current_player) + ' ' +
self.ending_reason)
# ***************************
# end of show
# ***************************
# dummy, normally overidden by derived class
def end(self, reason, message):
self.mon.err(self, "end not overidden")
self.base_end('error', message)
def base_end(self, reason, message):
self.base_withdraw_show_background()
self.base_delete_show_background()
self.mon.trace(
self, ' at level ' + str(self.level) + '\n - Current is ' +
self.mon.pretty_inst(self.current_player) + '\n - Previous is ' +
self.mon.pretty_inst(self.previous_player) + '\n with reason' +
reason + '\n\n')
self.mon.log(
self, self.show_params['show-ref'] + ' Show Id: ' +
str(self.show_id) + ": Ending Show")
self.end_callback(self.show_id, reason, message)
self = None
def base_subshow_ended_callback(self):
# called by end_shower of a parent show to get the last track of the subshow and the subshow
self.mon.trace(
self, ' - returns ' + self.mon.pretty_inst(self.current_player))
return self, self.current_player
# ********************************
# Respond to external events
# ********************************
def base_close_previous(self):
self.mon.trace(self, '')
# close the player from the previous track
if self.previous_player is not None:
self.mon.trace(
self, ' - previous not None ' +
self.mon.pretty_inst(self.previous_player))
if self.previous_player.get_play_state() == 'showing':
# showing or frozen
self.mon.trace(
self, ' - closing previous ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player.close(self._base_close_previous_callback)
else:
self.mon.trace(self, 'previous is not showing')
self.previous_player.hide()
self.previous_player = None
self.end(self.ending_reason, '')
else:
self.mon.trace(self, ' - previous is None')
self.end(self.ending_reason, '')
def _base_close_previous_callback(self, status, message):
self.mon.trace(
self, ' - previous is None - was ' +
self.mon.pretty_inst(self.previous_player))
self.previous_player.hide()
self.previous_player = None
self.end(self.ending_reason, '')
# exit received from external source
def base_exit(self):
self.mon.log(
self, self.show_params['show-ref'] + ' ' + str(self.show_id) +
": Exit received")
self.mon.trace(self, '')
# set signal to exit the show when all sub-shows and players have ended
self.exit_signal = True
# then stop subshow or tracks.
if self.shower is not None:
self.shower.exit()
elif self.current_player is not None:
self.current_player.input_pressed('stop')
else:
self.end('normal', 'exit by ShowManager')
# show timeout callback received
def base_show_timeout_stop(self):
self.mon.trace(self, '')
# set signal to exit the show when all sub-shows and players have ended
self.show_timeout_signal = True
# then stop and shows or tracks.
if self.shower is not None:
self.shower.show_timeout_stop()
elif self.current_player is not None:
self.current_player.input_pressed('stop')
else:
self.end('normal', 'stopped by Show Timeout')
# dummy, normally overidden by derived class
def terminate(self):
self.mon.err(self, "terminate not overidden")
self.base_end('error', "terminate not overidden")
# terminate Pi Presents
def base_terminate(self):
self.mon.trace(self, '')
# set signal to stop the show when all sub-shows and players have ended
self.terminate_signal = True
if self.shower is not None:
self.shower.terminate()
elif self.current_player is not None:
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
else:
self.end('killed',
' terminated with no shower or player to terminate')
# respond to input events
def base_handle_input_event(self, symbol):
self.mon.log(
self, self.show_params['show-ref'] + ' Show Id: ' +
str(self.show_id) + ": received input event: " + symbol)
if self.shower is not None:
self.shower.handle_input_event(symbol)
else:
self.handle_input_event_this_show(symbol)
#dummy must be overridden in derived class
def handle_input_event_this_show(self, symbol):
self.mon.err(self, "input_pressed_this_show not overidden")
self.ending_reason = 'killed'
Show.base_close_or_unload(self)
def base_load_show_background(self):
# load show background image
if self.background_file != '':
background_img_file = self.base_complete_path(self.background_file)
if not os.path.exists(background_img_file):
return 'error', "Show background file not found " + background_img_file
else:
pil_background_img = Image.open(background_img_file)
# print 'pil_background_img ',pil_background_img
image_width, image_height = pil_background_img.size
window_width = self.show_canvas_width
window_height = self.show_canvas_height
if image_width != window_width or image_height != window_height:
pil_background_img = pil_background_img.resize(
(window_width, window_height))
self.background = ImageTk.PhotoImage(pil_background_img)
del pil_background_img
# print 'self.background ',self.background
self.background_obj = self.canvas.create_image(
self.show_canvas_x1,
self.show_canvas_y1,
image=self.background,
anchor=NW)
self.canvas.itemconfig(self.background_obj, state='hidden')
self.canvas.update_idletasks()
# print '\nloaded background_obj: ',self.background_obj
return 'normal', 'show background loaded'
else:
return 'normal', 'no backgound to load'
def base_show_show_background(self):
if self.background_obj is not None:
# print 'show show background'
self.canvas.itemconfig(self.background_obj, state='normal')
# self.canvas.update_idletasks( )
def base_withdraw_show_background(self):
self.mon.trace(self, '')
if self.background_obj is not None:
# print 'withdraw background obj', self.background_obj
self.canvas.itemconfig(self.background_obj, state='hidden')
# self.canvas.update_idletasks( )
def base_delete_show_background(self):
if self.background_obj is not None:
# print 'delete background obj'
self.canvas.delete(self.background_obj)
self.background = None
# self.canvas.update_idletasks( )
# ******************************
# write statiscics
# *********************************
def write_stats(self, command, show_params, next_track):
# action, this ref, this name, type, ref, name, location
if next_track['type'] == 'show':
# get the show from the showlist
index = self.showlist.index_of_show(next_track['sub-show'])
if index < 0:
self.mon.err(
self,
"Show not found in showlist: " + next_track['sub-show'])
self.end('error',
'show not in showlist: ' + next_track['sub-show'])
else:
target = self.showlist.show(index)
ref = target['show-ref']
title = target['title']
track_type = target['type']
else:
# its a track
ref = next_track['track-ref']
title = next_track['title']
track_type = next_track['type']
if next_track['type'] in ('show', 'message'):
loc = ''
else:
loc = next_track['location']
self.mon.stats(show_params['type'], show_params['show-ref'],
show_params['title'], command, track_type, ref, title,
loc)
# ******************************
# lookup controls
# *********************************
def base_lookup_control(self, symbol, controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
# not found so must be a trigger
return ''
# ******************************
# Eggtimer
# *********************************
def display_eggtimer(self):
text = self.show_params['eggtimer-text']
if text != '':
self.egg_timer = self.canvas.create_text(
int(self.show_params['eggtimer-x']) + self.show_canvas_x1,
int(self.show_params['eggtimer-y']) + self.show_canvas_y1,
text=text,
fill=self.show_params['eggtimer-colour'],
font=self.show_params['eggtimer-font'],
anchor='nw')
self.canvas.update_idletasks()
def delete_eggtimer(self):
if self.egg_timer is not None:
self.canvas.delete(self.egg_timer)
self.egg_timer = None
self.canvas.update_idletasks()
# ******************************
# Display Admin Messages
# *********************************
def display_admin_message(self, text):
self.admin_message = self.canvas.create_text(
int(self.show_params['admin-x']) + self.show_canvas_x1,
int(self.show_params['admin-y']) + self.show_canvas_y1,
text=text,
fill=self.show_params['admin-colour'],
font=self.show_params['admin-font'],
anchor='nw')
self.canvas.update_idletasks()
def delete_admin_message(self):
if self.admin_message is not None:
self.canvas.delete(self.admin_message)
self.canvas.update_idletasks()
# ******************************
# utilities
# ******************************
def base_complete_path(self, track_file):
# complete path of the filename of the selected entry
if track_file != '' and track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
self.mon.log(self, "Track to load is: " + track_file)
return track_file
def calculate_duration(self, line):
fields = line.split(':')
if len(fields) == 1:
secs = fields[0]
minutes = '0'
hours = '0'
if len(fields) == 2:
secs = fields[1]
minutes = fields[0]
hours = '0'
if len(fields) == 3:
secs = fields[2]
minutes = fields[1]
hours = fields[0]
if not secs.isdigit() or not minutes.isdigit() or not hours.isdigit():
return 'error', 'bad time: ' + line, 0
else:
return 'normal', '', 3600 * long(hours) + 60 * long(
minutes) + long(secs)
class Player(object):
# common bits of __init__(...)
def __init__(
self,
show_id,
showlist,
root,
canvas,
show_params,
track_params,
pp_dir,
pp_home,
pp_profile,
end_callback,
command_callback,
):
# create debugging log object
self.mon = Monitor()
self.mon.trace(self, "")
# instantiate arguments
self.show_id = show_id
self.showlist = showlist
self.root = root
self.canvas = canvas["canvas-obj"]
self.show_canvas_x1 = canvas["show-canvas-x1"]
self.show_canvas_y1 = canvas["show-canvas-y1"]
self.show_canvas_x2 = canvas["show-canvas-x2"]
self.show_canvas_y2 = canvas["show-canvas-y2"]
self.show_canvas_width = canvas["show-canvas-width"]
self.show_canvas_height = canvas["show-canvas-height"]
self.show_canvas_centre_x = canvas["show-canvas-centre-x"]
self.show_canvas_centre_y = canvas["show-canvas-centre-y"]
self.show_params = show_params
self.track_params = track_params
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
self.end_callback = end_callback
self.command_callback = command_callback
# get background image from profile.
self.background_file = ""
if self.track_params["background-image"] != "":
self.background_file = self.track_params["background-image"]
# get background colour from profile.
if self.track_params["background-colour"] != "":
self.background_colour = self.track_params["background-colour"]
else:
self.background_colour = self.show_params["background-colour"]
# get animation instructions from profile
self.animate_begin_text = self.track_params["animate-begin"]
self.animate_end_text = self.track_params["animate-end"]
# create an instance of showmanager so we can control concurrent shows
# self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
# open the plugin Manager
self.pim = PluginManager(
self.show_id,
self.root,
self.canvas,
self.show_params,
self.track_params,
self.pp_dir,
self.pp_home,
self.pp_profile,
)
# create an instance of Animate so we can send animation commands
self.animate = Animate()
# initialise state and signals
self.background_obj = None
self.show_text_obj = None
self.track_text_obj = None
self.hint_obj = None
self.background = None
self.freeze_at_end_required = "no" # overriden by videoplayer
self.tick_timer = None
self.terminate_signal = False
self.play_state = ""
def pre_load(self):
# Control other shows at beginning
self.show_control(self.track_params["show-control-begin"])
pass
# common bits of show(....)
def pre_show(self):
self.mon.trace(self, "")
# show_x_content moved to just before ready_callback to improve flicker.
self.show_x_content()
# and whatecer the plugin has created
self.pim.show_plugin()
# ready callback hides and closes players from previous track, also displays show background
if self.ready_callback is not None:
self.ready_callback(self.enable_show_background)
# create animation events
reason, message = self.animate.animate(self.animate_begin_text, id(self))
if reason == "error":
self.mon.err(self, message)
self.play_state = "show-failed"
if self.finished_callback is not None:
self.finished_callback("error", message)
else:
# return to start playing the track.
self.mon.log(self, ">show track received from show Id: " + str(self.show_id))
return
# to keep landscape happy
def ready_callback(self, enable_show_background):
self.mon.fatal(self, "ready callback not overridden")
self.end("error", "ready callback not overridden")
def finished_callback(self, reason, message):
self.mon.fatal(self, "finished callback not overridden")
self.end("error", "finished callback not overridden")
def closed_callback(self, reason, message):
self.mon.fatal(self, "closed callback not overridden")
self.end("error", "closed callback not overridden")
# Control shows so pass the show control commands back to PiPresents via the command callback
def show_control(self, show_control_text):
lines = show_control_text.split("\n")
for line in lines:
if line.strip() == "":
continue
# print 'show control command: ',line
self.command_callback(line, self.show_params["show-ref"])
# *****************
# hide content and end animation, show control etc.
# called by ready calback and end
# *****************
def hide(self):
self.mon.trace(self, "")
# abort the timer
if self.tick_timer is not None:
self.canvas.after_cancel(self.tick_timer)
self.tick_timer = None
self.hide_x_content()
# stop the plugin
if self.track_params["plugin"] != "":
self.pim.stop_plugin()
# Control concurrent shows at end
self.show_control(self.track_params["show-control-end"])
# clear events list for this track
if self.track_params["animate-clear"] == "yes":
self.animate.clear_events_list(id(self))
# create animation events for ending
reason, message = self.animate.animate(self.animate_end_text, id(self))
if reason == "error":
self.play_state = "show-failed"
if self.finished_callback is not None:
self.finished_callback("error", message)
else:
return
def terminate(self):
self.mon.trace(self, "")
self.terminate_signal = True
if self.play_state == "showing":
# call the derived class's stop method
self.stop()
else:
self.end("killed", "terminate with no track or show open")
# must be overriden by derived class
def stop(self):
self.mon.fatal(self, "stop not overidden by derived class")
self.play_state = "show-failed"
if self.finished_callback is not None:
self.finished_callback("error", "stop not overidden by derived class")
def get_play_state(self):
return self.play_state
# *****************
# ending the player
# *****************
def end(self, reason, message):
self.mon.trace(self, "")
# stop the plugin
if self.terminate_signal is True:
reason = "killed"
self.terminate_signal = False
self.hide()
self.end_callback(reason, message)
self = None
# *****************
# displaying common things
# *****************
def load_plugin(self):
# load the plugin if required
if self.track_params["plugin"] != "":
reason, message, self.track = self.pim.load_plugin(self.track, self.track_params["plugin"])
return reason, message
def draw_plugin(self):
# load the plugin if required
if self.track_params["plugin"] != "":
self.pim.draw_plugin()
return
def load_x_content(self, enable_menu):
self.mon.trace(self, "")
self.background_obj = None
self.background = None
self.track_text_obj = None
self.show_text_obj = None
self.hint_obj = None
self.track_obj = None
# background image
if self.background_file != "":
background_img_file = self.complete_path(self.background_file)
if not os.path.exists(background_img_file):
return "error", "Track background file not found " + background_img_file
else:
pil_background_img = Image.open(background_img_file)
# print 'pil_background_img ',pil_background_img
image_width, image_height = pil_background_img.size
window_width = self.show_canvas_width
window_height = self.show_canvas_height
if image_width != window_width or image_height != window_height:
pil_background_img = pil_background_img.resize((window_width, window_height))
self.background = ImageTk.PhotoImage(pil_background_img)
del pil_background_img
self.background_obj = self.canvas.create_image(
self.show_canvas_x1, self.show_canvas_y1, image=self.background, anchor=NW
)
# print '\nloaded background_obj: ',self.background_obj
# load the track content. Dummy function below is overridden in players
status, message = self.load_track_content()
if status == "error":
return "error", message
# load show text if enabled
if self.show_params["show-text"] != "" and self.track_params["display-show-text"] == "yes":
self.show_text_obj = self.canvas.create_text(
int(self.show_params["show-text-x"]) + self.show_canvas_x1,
int(self.show_params["show-text-y"]) + self.show_canvas_y1,
anchor=NW,
text=self.show_params["show-text"],
fill=self.show_params["show-text-colour"],
font=self.show_params["show-text-font"],
)
# load track text if enabled
if self.track_params["track-text"] != "":
self.track_text_obj = self.canvas.create_text(
int(self.track_params["track-text-x"]) + self.show_canvas_x1,
int(self.track_params["track-text-y"]) + self.show_canvas_y1,
anchor=NW,
text=self.track_params["track-text"],
fill=self.track_params["track-text-colour"],
font=self.track_params["track-text-font"],
)
# load instructions if enabled
if enable_menu is True:
self.hint_obj = self.canvas.create_text(
int(self.show_params["hint-x"]) + self.show_canvas_x1,
int(self.show_params["hint-y"]) + self.show_canvas_y1,
text=self.show_params["hint-text"],
fill=self.show_params["hint-colour"],
font=self.show_params["hint-font"],
anchor=NW,
)
self.display_show_canvas_rectangle()
self.pim.draw_plugin()
self.canvas.tag_raise("pp-click-area")
self.canvas.itemconfig(self.background_obj, state="hidden")
self.canvas.itemconfig(self.show_text_obj, state="hidden")
self.canvas.itemconfig(self.track_text_obj, state="hidden")
self.canvas.itemconfig(self.hint_obj, state="hidden")
self.canvas.update_idletasks()
return "normal", "x-content loaded"
# display the rectangle that is the show canvas
def display_show_canvas_rectangle(self):
# coords=[self.show_canvas_x1,self.show_canvas_y1,self.show_canvas_x2-1,self.show_canvas_y2-1]
# self.canvas.create_rectangle(coords,
# outline='yellow',
# fill='')
pass
# dummy functions to manipulate the track content, overidden in some players,
# message text in messageplayer
# image in imageplayer
# menu stuff in menuplayer
def load_track_content(self):
return "normal", "player has no track content to load"
def show_track_content(self):
pass
def hide_track_content(self):
pass
def show_x_content(self):
self.mon.trace(self, "")
# background colour
if self.background_colour != "":
self.canvas.config(bg=self.background_colour)
# print 'showing background_obj: ', self.background_obj
# reveal background image and text
self.canvas.itemconfig(self.background_obj, state="normal")
self.show_track_content()
self.canvas.itemconfig(self.show_text_obj, state="normal")
self.canvas.itemconfig(self.track_text_obj, state="normal")
self.canvas.itemconfig(self.hint_obj, state="normal")
# self.canvas.update_idletasks( )
# decide whether the show background should be enabled.
# print 'DISPLAY SHOW BG',self.track_params['display-show-background'],self.background_obj
if self.background_obj is None and self.track_params["display-show-background"] == "yes":
self.enable_show_background = True
else:
self.enable_show_background = False
# print 'ENABLE SB',self.enable_show_background
def hide_x_content(self):
self.mon.trace(self, "")
self.hide_track_content()
self.canvas.itemconfig(self.background_obj, state="hidden")
self.canvas.itemconfig(self.show_text_obj, state="hidden")
self.canvas.itemconfig(self.track_text_obj, state="hidden")
self.canvas.itemconfig(self.hint_obj, state="hidden")
# self.canvas.update_idletasks( )
self.canvas.delete(self.background_obj)
self.canvas.delete(self.show_text_obj)
self.canvas.delete(self.track_text_obj)
self.canvas.delete(self.hint_obj)
self.background = None
# self.canvas.update_idletasks( )
# ****************
# utilities
# *****************
def get_links(self):
return self.track_params["links"]
# produce an absolute path from the relative one in track paramters
def complete_path(self, track_file):
# complete path of the filename of the selected entry
if track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
# self.mon.log(self,"Background image is "+ track_file)
return track_file
# get a text string from resources.cfg
def resource(self, section, item):
value = self.rr.get(section, item)
return value # False if not found
class Player(object):
# common bits of __init__(...)
def __init__(self,
show_id,
showlist,
root,
canvas,
show_params,
track_params,
pp_dir,
pp_home,
pp_profile,
end_callback,
command_callback):
# create debugging log object
self.mon=Monitor()
self.mon.trace(self,'')
# instantiate arguments
self.show_id=show_id
self.showlist=showlist
self.root=root
self.canvas=canvas['canvas-obj']
self.show_canvas_x1 = canvas['show-canvas-x1']
self.show_canvas_y1 = canvas['show-canvas-y1']
self.show_canvas_x2 = canvas['show-canvas-x2']
self.show_canvas_y2 = canvas['show-canvas-y2']
self.show_canvas_width = canvas['show-canvas-width']
self.show_canvas_height= canvas['show-canvas-height']
self.show_canvas_centre_x= canvas['show-canvas-centre-x']
self.show_canvas_centre_y= canvas['show-canvas-centre-y']
self.show_params=show_params
self.track_params=track_params
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
self.end_callback=end_callback
self.command_callback=command_callback
# get background image from profile.
self.background_file=''
if self.track_params['background-image'] != '':
self.background_file= self.track_params['background-image']
# get background colour from profile.
if self.track_params['background-colour'] != '':
self.background_colour= self.track_params['background-colour']
else:
self.background_colour= self.show_params['background-colour']
# get animation instructions from profile
self.animate_begin_text=self.track_params['animate-begin']
self.animate_end_text=self.track_params['animate-end']
# create an instance of showmanager so we can control concurrent shows
# self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
# open the plugin Manager
self.pim=PluginManager(self.show_id,self.root,self.canvas,self.show_params,self.track_params,self.pp_dir,self.pp_home,self.pp_profile)
# create an instance of Animate so we can send animation commands
self.animate = Animate()
# initialise state and signals
self.background_obj=None
self.show_text_obj=None
self.track_text_obj=None
self.hint_obj=None
self.background=None
self.freeze_at_end_required='no' # overriden by videoplayer
self.tick_timer=None
self.terminate_signal=False
self.play_state=''
def pre_load(self):
pass
# common bits of show(....)
def pre_show(self):
self.mon.trace(self,'')
# show_x_content moved to just before ready_callback to improve flicker.
self.show_x_content()
#ready callback hides and closes players from previous track, also displays show background
if self.ready_callback is not None:
self.ready_callback(self.enable_show_background)
# Control other shows and do counters and osc at beginning
self.show_control(self.track_params['show-control-begin'])
# and show whatever the plugin has created
self.show_plugin()
# create animation events
reason,message=self.animate.animate(self.animate_begin_text,id(self))
if reason == 'error':
self.mon.err(self,message)
self.play_state='show-failed'
if self.finished_callback is not None:
self.finished_callback('error',message)
else:
# return to start playing the track.
self.mon.log(self,">show track received from show Id: "+ str(self.show_id))
return
# to keep landscape happy
def ready_callback(self,enable_show_background):
self.mon.fatal(self,'ready callback not overridden')
self.end('error','ready callback not overridden')
def finished_callback(self,reason,message):
self.mon.fatal(self,'finished callback not overridden')
self.end('error','finished callback not overridden')
def closed_callback(self,reason,message):
self.mon.fatal(self,'closed callback not overridden')
self.end('error','closed callback not overridden')
# Control shows so pass the show control commands back to PiPresents via the command callback
def show_control(self,show_control_text):
lines = show_control_text.split('\n')
for line in lines:
if line.strip() == "":
continue
# print 'show control command: ',line
self.command_callback(line, source='track',show=self.show_params['show-ref'])
# *****************
# hide content and end animation, show control etc.
# called by ready calback and end
# *****************
def hide(self):
self.mon.trace(self,'')
# abort the timer
if self.tick_timer is not None:
self.canvas.after_cancel(self.tick_timer)
self.tick_timer=None
self.hide_x_content()
# stop the plugin
self.hide_plugin()
# Control concurrent shows at end
self.show_control(self.track_params['show-control-end'])
# clear events list for this track
if self.track_params['animate-clear'] == 'yes':
self.animate.clear_events_list(id(self))
# create animation events for ending
# !!!!! TEMPORARY FIX
reason,message=self.animate.animate(self.animate_end_text,id(self))
if reason == 'error':
self.mon.err(self,message)
# self.play_state='show-failed'
# if self.finished_callback is not None:
# self.finished_callback('error',message)
else:
return
def terminate(self):
self.mon.trace(self,'')
self.terminate_signal=True
if self.play_state == 'showing':
# call the derived class's stop method
self.stop()
else:
self.end('killed','terminate with no track or show open')
# must be overriden by derived class
def stop(self):
self.mon.fatal(self,'stop not overidden by derived class')
self.play_state='show-failed'
if self.finished_callback is not None:
self.finished_callback('error','stop not overidden by derived class')
def get_play_state(self):
return self.play_state
# *****************
# ending the player
# *****************
def end(self,reason,message):
self.mon.trace(self,'')
# stop the plugin
if self.terminate_signal is True:
reason='killed'
self.terminate_signal=False
self.hide()
self.end_callback(reason,message)
self=None
# *****************
# displaying common things
# *****************
def load_plugin(self):
# called in load before load_x_content modify the track here
if self.track_params['plugin'] != '':
reason,message,self.track = self.pim.load_plugin(self.track,self.track_params['plugin'])
return reason,message
def show_plugin(self):
# called at show time, write to the track here if you need it after show_control_begin (counters)
if self.track_params['plugin'] != '':
self.pim.show_plugin()
def hide_plugin(self):
# called at the end of the track
if self.track_params['plugin'] != '':
self.pim.stop_plugin()
def load_x_content(self,enable_menu):
self.mon.trace(self,'')
self.background_obj=None
self.background=None
self.track_text_obj=None
self.show_text_obj=None
self.hint_obj=None
self.track_obj=None
# background image
if self.background_file != '':
background_img_file = self.complete_path(self.background_file)
if not os.path.exists(background_img_file):
return 'error',"Track background file not found "+ background_img_file
else:
try:
pil_background_img=Image.open(background_img_file)
except:
pil_background_img=None
self.background=None
self.background_obj=None
return 'error','Track background, not a recognised image format '+ background_img_file
# print 'pil_background_img ',pil_background_img
image_width,image_height=pil_background_img.size
window_width=self.show_canvas_width
window_height=self.show_canvas_height
if image_width != window_width or image_height != window_height:
pil_background_img=pil_background_img.resize((window_width, window_height))
self.background = ImageTk.PhotoImage(pil_background_img)
del pil_background_img
self.background_obj = self.canvas.create_image(self.show_canvas_x1,
self.show_canvas_y1,
image=self.background,
anchor=NW)
# print '\nloaded background_obj: ',self.background_obj
# load the track content. Dummy function below is overridden in players
status,message=self.load_track_content()
if status == 'error':
return 'error',message
# load show text if enabled
if self.show_params['show-text'] != '' and self.track_params['display-show-text'] == 'yes':
x,y,anchor,justify=calculate_text_position(self.show_params['show-text-x'],self.show_params['show-text-y'],
self.show_canvas_x1,self.show_canvas_y1,
self.show_canvas_centre_x,self.show_canvas_centre_y,
self.show_canvas_x2,self.show_canvas_y2,self.show_params['show-text-justify'])
self.show_text_obj=self.canvas.create_text(x,y,
anchor=anchor,
justify=justify,
text=self.show_params['show-text'],
fill=self.show_params['show-text-colour'],
font=self.show_params['show-text-font'])
# load track text if enabled
if self.track_params['track-text-x'] =='':
track_text_x= self.show_params['track-text-x']
else:
track_text_x= self.track_params['track-text-x']
if self.track_params['track-text-y'] =='':
track_text_y= self.show_params['track-text-y']
else:
track_text_y= self.track_params['track-text-y']
if self.track_params['track-text-justify'] =='':
track_text_justify= self.show_params['track-text-justify']
else:
track_text_justify= self.track_params['track-text-justify']
if self.track_params['track-text-font'] =='':
track_text_font= self.show_params['track-text-font']
else:
track_text_font= self.track_params['track-text-font']
if self.track_params['track-text-colour'] =='':
track_text_colour= self.show_params['track-text-colour']
else:
track_text_colour= self.track_params['track-text-colour']
if self.track_params['track-text'] != '':
x,y,anchor,justify=calculate_text_position(track_text_x,track_text_y,
self.show_canvas_x1,self.show_canvas_y1,
self.show_canvas_centre_x,self.show_canvas_centre_y,
self.show_canvas_x2,self.show_canvas_y2,track_text_justify)
self.track_text_obj=self.canvas.create_text(x,y,
anchor=anchor,
justify=justify,
text=self.track_params['track-text'],
fill=track_text_colour,
font=track_text_font)
# load instructions if enabled
if enable_menu is True:
x,y,anchor,justify=calculate_text_position(self.show_params['hint-x'],self.show_params['hint-y'],
self.show_canvas_x1,self.show_canvas_y1,
self.show_canvas_centre_x,self.show_canvas_centre_y,
self.show_canvas_x2,self.show_canvas_y2,self.show_params['hint-justify'])
self.hint_obj=self.canvas.create_text(x,y,
justify=justify,
text=self.show_params['hint-text'],
fill=self.show_params['hint-colour'],
font=self.show_params['hint-font'],
anchor=anchor)
self.display_show_canvas_rectangle()
self.canvas.tag_raise('pp-click-area')
self.canvas.itemconfig(self.background_obj,state='hidden')
self.canvas.itemconfig(self.show_text_obj,state='hidden')
self.canvas.itemconfig(self.track_text_obj,state='hidden')
self.canvas.itemconfig(self.hint_obj,state='hidden')
self.canvas.update_idletasks( )
return 'normal','x-content loaded'
# display the rectangle that is the show canvas
def display_show_canvas_rectangle(self):
# coords=[self.show_canvas_x1,self.show_canvas_y1,self.show_canvas_x2-1,self.show_canvas_y2-1]
# self.canvas.create_rectangle(coords,
# outline='yellow',
# fill='')
pass
# dummy functions to manipulate the track content, overidden in some players,
# message text in messageplayer
# image in imageplayer
# menu stuff in menuplayer
def load_track_content(self):
return 'normal','player has no track content to load'
def show_track_content(self):
pass
def hide_track_content(self):
pass
def show_x_content(self):
self.mon.trace(self,'')
# background colour
if self.background_colour != '':
self.canvas.config(bg=self.background_colour)
# print 'showing background_obj: ', self.background_obj
# reveal background image and text
self.canvas.itemconfig(self.background_obj,state='normal')
self.show_track_content()
self.canvas.itemconfig(self.show_text_obj,state='normal')
self.canvas.itemconfig(self.track_text_obj,state='normal')
self.canvas.itemconfig(self.hint_obj,state='normal')
# self.canvas.update_idletasks( )
# decide whether the show background should be enabled.
# print 'DISPLAY SHOW BG',self.track_params['display-show-background'],self.background_obj
if self.background_obj is None and self.track_params['display-show-background']=='yes':
self.enable_show_background=True
else:
self.enable_show_background=False
# print 'ENABLE SB',self.enable_show_background
def hide_x_content(self):
self.mon.trace(self,'')
self.hide_track_content()
self.canvas.itemconfig(self.background_obj,state='hidden')
self.canvas.itemconfig(self.show_text_obj,state='hidden')
self.canvas.itemconfig(self.track_text_obj,state='hidden')
self.canvas.itemconfig(self.hint_obj,state='hidden')
# self.canvas.update_idletasks( )
self.canvas.delete(self.background_obj)
self.canvas.delete(self.show_text_obj)
self.canvas.delete(self.track_text_obj)
self.canvas.delete(self.hint_obj)
self.background=None
# self.canvas.update_idletasks( )
# ****************
# utilities
# *****************
def get_links(self):
return self.track_params['links']
# produce an absolute path from the relative one in track paramters
def complete_path(self,track_file):
# complete path of the filename of the selected entry
if track_file[0] == "+":
track_file=self.pp_home+track_file[1:]
elif track_file[0] == "@":
track_file=self.pp_profile+track_file[1:]
return track_file
# get a text string from resources.cfg
def resource(self,section,item):
value=self.rr.get(section,item)
return value # False if not found
class Player(object):
# common bits of __init__(...)
def __init__(self, show_id, showlist, root, canvas, show_params,
track_params, pp_dir, pp_home, pp_profile, end_callback,
command_callback):
# create debugging log object
self.mon = Monitor()
self.mon.trace(self, '')
# instantiate arguments
self.show_id = show_id
self.showlist = showlist
self.root = root
self.canvas = canvas['canvas-obj']
self.show_canvas_x1 = canvas['show-canvas-x1']
self.show_canvas_y1 = canvas['show-canvas-y1']
self.show_canvas_x2 = canvas['show-canvas-x2']
self.show_canvas_y2 = canvas['show-canvas-y2']
self.show_canvas_width = canvas['show-canvas-width']
self.show_canvas_height = canvas['show-canvas-height']
self.show_canvas_centre_x = canvas['show-canvas-centre-x']
self.show_canvas_centre_y = canvas['show-canvas-centre-y']
self.show_params = show_params
self.track_params = track_params
self.pp_dir = pp_dir
self.pp_home = pp_home
self.pp_profile = pp_profile
self.end_callback = end_callback
self.command_callback = command_callback
# get background image from profile.
self.background_file = ''
if self.track_params['background-image'] != '':
self.background_file = self.track_params['background-image']
# get background colour from profile.
if self.track_params['background-colour'] != '':
self.background_colour = self.track_params['background-colour']
else:
self.background_colour = self.show_params['background-colour']
# get animation instructions from profile
self.animate_begin_text = self.track_params['animate-begin']
self.animate_end_text = self.track_params['animate-end']
# create an instance of showmanager so we can control concurrent shows
# self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.canvas,self.pp_dir,self.pp_profile,self.pp_home)
# open the plugin Manager
self.pim = PluginManager(self.show_id, self.root, self.canvas,
self.show_params, self.track_params,
self.pp_dir, self.pp_home, self.pp_profile)
# create an instance of Animate so we can send animation commands
self.animate = Animate()
# initialise state and signals
self.background_obj = None
self.show_text_obj = None
self.track_text_obj = None
self.hint_obj = None
self.background = None
self.freeze_at_end_required = 'no' # overriden by videoplayer
self.tick_timer = None
self.terminate_signal = False
self.play_state = ''
def pre_load(self):
# Control other shows at beginning
self.show_control(self.track_params['show-control-begin'])
pass
# common bits of show(....)
def pre_show(self):
self.mon.trace(self, '')
# show_x_content moved to just before ready_callback to improve flicker.
self.show_x_content()
# and whatecer the plugin has created
self.pim.show_plugin()
#ready callback hides and closes players from previous track, also displays show background
if self.ready_callback is not None:
self.ready_callback(self.enable_show_background)
# create animation events
reason, message = self.animate.animate(self.animate_begin_text,
id(self))
if reason == 'error':
self.mon.err(self, message)
self.play_state = 'show-failed'
if self.finished_callback is not None:
self.finished_callback('error', message)
else:
# return to start playing the track.
self.mon.log(
self,
">show track received from show Id: " + str(self.show_id))
return
# to keep landscape happy
def ready_callback(self, enable_show_background):
self.mon.fatal(self, 'ready callback not overridden')
self.end('error', 'ready callback not overridden')
def finished_callback(self, reason, message):
self.mon.fatal(self, 'finished callback not overridden')
self.end('error', 'finished callback not overridden')
def closed_callback(self, reason, message):
self.mon.fatal(self, 'closed callback not overridden')
self.end('error', 'closed callback not overridden')
# Control shows so pass the show control commands back to PiPresents via the command callback
def show_control(self, show_control_text):
lines = show_control_text.split('\n')
for line in lines:
if line.strip() == "":
continue
# print 'show control command: ',line
self.command_callback(line,
source='track',
show=self.show_params['show-ref'])
# *****************
# hide content and end animation, show control etc.
# called by ready calback and end
# *****************
def hide(self):
self.mon.trace(self, '')
# abort the timer
if self.tick_timer is not None:
self.canvas.after_cancel(self.tick_timer)
self.tick_timer = None
self.hide_x_content()
# stop the plugin
if self.track_params['plugin'] != '':
self.pim.stop_plugin()
# Control concurrent shows at end
self.show_control(self.track_params['show-control-end'])
# clear events list for this track
if self.track_params['animate-clear'] == 'yes':
self.animate.clear_events_list(id(self))
# create animation events for ending
reason, message = self.animate.animate(self.animate_end_text, id(self))
if reason == 'error':
self.play_state = 'show-failed'
if self.finished_callback is not None:
self.finished_callback('error', message)
else:
return
def terminate(self):
self.mon.trace(self, '')
self.terminate_signal = True
if self.play_state == 'showing':
# call the derived class's stop method
self.stop()
else:
self.end('killed', 'terminate with no track or show open')
# must be overriden by derived class
def stop(self):
self.mon.fatal(self, 'stop not overidden by derived class')
self.play_state = 'show-failed'
if self.finished_callback is not None:
self.finished_callback('error',
'stop not overidden by derived class')
def get_play_state(self):
return self.play_state
# *****************
# ending the player
# *****************
def end(self, reason, message):
self.mon.trace(self, '')
# stop the plugin
if self.terminate_signal is True:
reason = 'killed'
self.terminate_signal = False
self.hide()
self.end_callback(reason, message)
self = None
# *****************
# displaying common things
# *****************
def load_plugin(self):
# load the plugin if required
if self.track_params['plugin'] != '':
reason, message, self.track = self.pim.load_plugin(
self.track, self.track_params['plugin'])
return reason, message
def draw_plugin(self):
# load the plugin if required
if self.track_params['plugin'] != '':
self.pim.draw_plugin()
return
def load_x_content(self, enable_menu):
self.mon.trace(self, '')
self.background_obj = None
self.background = None
self.track_text_obj = None
self.show_text_obj = None
self.hint_obj = None
self.track_obj = None
# background image
if self.background_file != '':
background_img_file = self.complete_path(self.background_file)
if not os.path.exists(background_img_file):
return 'error', "Track background file not found " + background_img_file
else:
pil_background_img = Image.open(background_img_file)
# print 'pil_background_img ',pil_background_img
image_width, image_height = pil_background_img.size
window_width = self.show_canvas_width
window_height = self.show_canvas_height
if image_width != window_width or image_height != window_height:
pil_background_img = pil_background_img.resize(
(window_width, window_height))
self.background = ImageTk.PhotoImage(pil_background_img)
del pil_background_img
self.background_obj = self.canvas.create_image(
self.show_canvas_x1,
self.show_canvas_y1,
image=self.background,
anchor=NW)
# print '\nloaded background_obj: ',self.background_obj
# load the track content. Dummy function below is overridden in players
status, message = self.load_track_content()
if status == 'error':
return 'error', message
# load show text if enabled
if self.show_params['show-text'] != '' and self.track_params[
'display-show-text'] == 'yes':
x, y, anchor, justify = calculate_text_position(
self.show_params['show-text-x'],
self.show_params['show-text-y'], self.show_canvas_x1,
self.show_canvas_y1, self.show_canvas_centre_x,
self.show_canvas_centre_y, self.show_canvas_x2,
self.show_canvas_y2, self.show_params['show-text-justify'])
self.show_text_obj = self.canvas.create_text(
x,
y,
anchor=anchor,
justify=justify,
text=self.show_params['show-text'],
fill=self.show_params['show-text-colour'],
font=self.show_params['show-text-font'])
# load track text if enabled
if self.track_params['track-text'] != '':
x, y, anchor, justify = calculate_text_position(
self.track_params['track-text-x'],
self.track_params['track-text-y'], self.show_canvas_x1,
self.show_canvas_y1, self.show_canvas_centre_x,
self.show_canvas_centre_y, self.show_canvas_x2,
self.show_canvas_y2, self.track_params['track-text-justify'])
self.track_text_obj = self.canvas.create_text(
x,
y,
anchor=anchor,
justify=justify,
text=self.track_params['track-text'],
fill=self.track_params['track-text-colour'],
font=self.track_params['track-text-font'])
# load instructions if enabled
if enable_menu is True:
x, y, anchor, justify = calculate_text_position(
self.show_params['hint-x'], self.show_params['hint-y'],
self.show_canvas_x1, self.show_canvas_y1,
self.show_canvas_centre_x, self.show_canvas_centre_y,
self.show_canvas_x2, self.show_canvas_y2,
self.show_params['hint-justify'])
self.hint_obj = self.canvas.create_text(
x,
y,
justify=justify,
text=self.show_params['hint-text'],
fill=self.show_params['hint-colour'],
font=self.show_params['hint-font'],
anchor=anchor)
self.display_show_canvas_rectangle()
self.pim.draw_plugin()
self.canvas.tag_raise('pp-click-area')
self.canvas.itemconfig(self.background_obj, state='hidden')
self.canvas.itemconfig(self.show_text_obj, state='hidden')
self.canvas.itemconfig(self.track_text_obj, state='hidden')
self.canvas.itemconfig(self.hint_obj, state='hidden')
self.canvas.update_idletasks()
return 'normal', 'x-content loaded'
# display the rectangle that is the show canvas
def display_show_canvas_rectangle(self):
# coords=[self.show_canvas_x1,self.show_canvas_y1,self.show_canvas_x2-1,self.show_canvas_y2-1]
# self.canvas.create_rectangle(coords,
# outline='yellow',
# fill='')
pass
# dummy functions to manipulate the track content, overidden in some players,
# message text in messageplayer
# image in imageplayer
# menu stuff in menuplayer
def load_track_content(self):
return 'normal', 'player has no track content to load'
def show_track_content(self):
pass
def hide_track_content(self):
pass
def show_x_content(self):
self.mon.trace(self, '')
# background colour
if self.background_colour != '':
self.canvas.config(bg=self.background_colour)
# print 'showing background_obj: ', self.background_obj
# reveal background image and text
self.canvas.itemconfig(self.background_obj, state='normal')
self.show_track_content()
self.canvas.itemconfig(self.show_text_obj, state='normal')
self.canvas.itemconfig(self.track_text_obj, state='normal')
self.canvas.itemconfig(self.hint_obj, state='normal')
# self.canvas.update_idletasks( )
# decide whether the show background should be enabled.
# print 'DISPLAY SHOW BG',self.track_params['display-show-background'],self.background_obj
if self.background_obj is None and self.track_params[
'display-show-background'] == 'yes':
self.enable_show_background = True
else:
self.enable_show_background = False
# print 'ENABLE SB',self.enable_show_background
def hide_x_content(self):
self.mon.trace(self, '')
self.hide_track_content()
self.canvas.itemconfig(self.background_obj, state='hidden')
self.canvas.itemconfig(self.show_text_obj, state='hidden')
self.canvas.itemconfig(self.track_text_obj, state='hidden')
self.canvas.itemconfig(self.hint_obj, state='hidden')
# self.canvas.update_idletasks( )
self.canvas.delete(self.background_obj)
self.canvas.delete(self.show_text_obj)
self.canvas.delete(self.track_text_obj)
self.canvas.delete(self.hint_obj)
self.background = None
# self.canvas.update_idletasks( )
# ****************
# utilities
# *****************
def get_links(self):
return self.track_params['links']
# produce an absolute path from the relative one in track paramters
def complete_path(self, track_file):
# complete path of the filename of the selected entry
if track_file[0] == "+":
track_file = self.pp_home + track_file[1:]
elif track_file[0] == "@":
track_file = self.pp_profile + track_file[1:]
return track_file
# get a text string from resources.cfg
def resource(self, section, item):
value = self.rr.get(section, item)
return value # False if not found
class Show(object):
# ******************************
# init a show
# ******************************
def base__init__(self,
show_id,
show_params,
root,
canvas,
showlist,
pp_dir,
pp_home,
pp_profile,
command_callback):
# instantiate arguments
self.show_id=show_id
self.show_params=show_params
self.root=root
self.show_canvas=canvas
self.canvas=canvas['canvas-obj']
self.show_canvas_x1 = canvas['show-canvas-x1']
self.show_canvas_y1 = canvas['show-canvas-y1']
self.show_canvas_x2 = canvas['show-canvas-x2']
self.show_canvas_y2 = canvas['show-canvas-y2']
self.show_canvas_width = canvas['show-canvas-width']
self.show_canvas_height= canvas['show-canvas-height']
self.show_canvas_centre_x= canvas['show-canvas-centre-x']
self.show_canvas_centre_y= canvas['show-canvas-centre-y']
self.showlist=showlist
self.pp_dir=pp_dir
self.pp_home=pp_home
self.pp_profile=pp_profile
self.command_callback=command_callback
# init things that will then be reinitialised by derived classes
self.medialist=None
# set up logging
self.mon=Monitor()
self.mon.set_log_level(16)
# create and instance of TimeOfDay scheduler so we can add events
self.tod=TimeOfDay()
# create an instance of showmanager so we can init child/subshows
self.show_manager=ShowManager(self.show_id,self.showlist,self.show_params,self.root,self.show_canvas,self.pp_dir,self.pp_profile,self.pp_home)
# init variables
self.current_player=None
self.previous_player=None
self.shower=None
self.previous_shower=None
self.user_stop_signal= False
self.exit_signal=False
self.terminate_signal=False
self.show_timeout_signal=False
self.egg_timer=None
self.admin_message=None
self.ending_reason=''
self.background_obj=None
self.background_file=''
self.level=0
self.subshow_kickback_signal=False
self.kickback_for_next_track=False
# get background image from profile.
# print 'background', self.show_params['background-image']
if self.show_params['background-image'] != '':
self.background_file= self.show_params['background-image']
def base_play(self,end_callback,show_ready_callback, parent_kickback_signal,level,controls_list):
""" starts the common parts of the show
end_callback - function to be called when the show exits- callback gets last player of subshow
show_ready_callback - callback at start to get previous_player
top is True when the show is top level (run from [start] or by show command from another show)
direction_command - 'forward' or 'backward' direction to play a subshow
"""
# instantiate the arguments
self.end_callback=end_callback
self.show_ready_callback=show_ready_callback
self.parent_kickback_signal=parent_kickback_signal
self.level=level
# not needed as controls list is not passed down to subshows.
# self.controls_list=controls_list
self.mon.trace(self,self.show_params['show-ref'] + ' at level ' + str(self.level))
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Starting show")
# check data files are available.
if self.show_params['medialist'] == '':
self.mon.err(self,"Blank Medialist in : "+ self.show_params['title'])
self.end('error',"Blank Medialist")
self.medialst_file = self.pp_profile + "/" + self.show_params['medialist']
if not os.path.exists(self.medialst_file):
self.mon.err(self,"Medialist file not found: "+ self.medialst_file)
self.end('error',"Medialist file not found")
# read the medialist for the show
if self.medialist.open_list(self.medialst_file,self.showlist.sissue()) is False:
self.mon.err(self,"Version of medialist different to Pi Presents")
self.end('error',"Version of medialist different to Pi Presents")
if self.show_ready_callback is not None:
# get the previous player from calling show its stored in current because its going to be shuffled before use
self.previous_shower, self.current_player=self.show_ready_callback()
self.mon.trace(self,' - previous shower and player is ' + self.mon.pretty_inst(self.previous_shower)+ ' ' + self.mon.pretty_inst(self.current_player))
#load the show background
reason,message=Show.base_load_show_background(self)
if reason=='error':
self.mon.err(self,message)
self.end('error',message)
# dummy, must be overidden by derived class
def subshow_ready_callback(self):
self.mon.err(self,"subshow_ready_callback not overidden")
# set what to do when closed or unloaded
self.ending_reason='killed'
Show.base_close_or_unload(self)
def base_subshow_ready_callback(self):
# callback from begining of a subshow, provide previous player to called show
# used by show_ready_callback of called show
# in the case of a menushow last track is always the menu
self.mon.trace(self,' - sends ' + self.mon.pretty_inst(self.previous_player))
return self,self.previous_player
def base_shuffle(self):
self.previous_player=self.current_player
self.current_player = None
self.mon.trace(self,' - LOOP STARTS WITH current is: ' + self.mon.pretty_inst(self.current_player))
self.mon.trace(self,' - previous is: ' + self.mon.pretty_inst(self.previous_player))
def base_load_track_or_show(self,selected_track,loaded_callback,end_shower_callback,enable_menu):
track_type=selected_track['type']
if track_type == "show":
# get the show from the showlist
index = self.showlist.index_of_show(selected_track['sub-show'])
if index <0:
self.mon.err(self,"Show not found in showlist: "+ selected_track['sub-show'])
self.end('error','show not in showlist')
else:
self.showlist.select(index)
selected_show=self.showlist.selected_show()
self.shower=self.show_manager.init_subshow(self.show_id,selected_show,self.show_canvas)
self.mon.trace(self,' - show is: ' + self.mon.pretty_inst(self.shower) + ' ' + selected_show['show-ref'])
if self.shower is None:
self.mon.err(self,"Unknown Show Type: "+ selected_show['type'])
self.terminate_signal=True
self.what_next_after_showing()
else:
# empty controls list as not used, pleases landscape
# print 'send direction to subshow from show',self.kickback_for_next_track
# Show.base_withdraw_show_background(self)
self.shower.play(end_shower_callback,self.subshow_ready_callback,self.kickback_for_next_track,self.level+1,[])
else:
# dispatch track by type
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Track type is: "+ track_type)
self.current_player=self.base_init_selected_player(selected_track)
#menu has no track file
if selected_track['type']=='menu':
track_file=''
# messageplayer passes the text not a file name
elif selected_track['type'] == 'message':
track_file=selected_track['text']
else:
track_file=self.base_complete_path(selected_track['location'])
self.mon.trace(self,' - track is: ' + track_file)
self.mon.trace(self,' - current_player is: '+ self.mon.pretty_inst(self.current_player))
self.current_player.load(track_file,
loaded_callback,
enable_menu=enable_menu)
# DUMMY, must be overidden by derived class
def what_next_after_showing(self):
self.mon.err(self,"what_next_after showing not overidden")
# set what to do when closed or unloaded
self.ending_reason='killed'
Show.base_close_or_unload(self)
def base_init_selected_player(self,selected_track):
# dispatch track by type
track_type=selected_track['type']
self.mon.log(self,"Track type is: "+ track_type)
if track_type == "image":
return ImagePlayer(self.show_id,self.showlist,self.root,self.show_canvas,
self.show_params,selected_track,self.pp_dir,self.pp_home,
self.pp_profile,self.end,self.command_callback)
elif track_type == "video":
return VideoPlayer(self.show_id,self.showlist,self.root,self.show_canvas,
self.show_params,selected_track,self.pp_dir,self.pp_home,
self.pp_profile,self.end,self.command_callback)
elif track_type == "audio":
return AudioPlayer(self.show_id,self.showlist,self.root,self.show_canvas,
self.show_params,selected_track,self.pp_dir,self.pp_home,
self.pp_profile,self.end,self.command_callback)
elif track_type == "web" and self.show_params['type'] not in ('artmediashow','artliveshow'):
return BrowserPlayer(self.show_id,self.showlist,self.root,self.show_canvas,
self.show_params,selected_track,self.pp_dir,self.pp_home,
self.pp_profile,self.end,self.command_callback)
elif track_type == "message":
return MessagePlayer(self.show_id,self.showlist,self.root,self.show_canvas,
self.show_params,selected_track,self.pp_dir,self.pp_home,
self.pp_profile,self.end,self.command_callback)
elif track_type == "menu":
return MenuPlayer(self.show_id,self.showlist,self.root,self.show_canvas,
self.show_params,selected_track,self.pp_dir,self.pp_home,
self.pp_profile,self.end,self.command_callback)
else:
return None
# DUMMY, must be overidden by derived class
def track_ready_callback(self,track_background):
self.mon.err(self,"track_ready_callback not overidden")
# set what to do when closed or unloaded
self.ending_reason='killed'
Show.base_close_or_unload(self)
# called just before a track is shown to remove the previous track from the screen
# and if necessary close it
def base_track_ready_callback(self,enable_show_background):
self.mon.trace(self,'')
# show the show background done for every track but quick operation
if enable_show_background is True:
self.base_show_show_background()
else:
self.base_withdraw_show_background()
# !!!!!!!!! withdraw the background from the parent show
if self.previous_shower != None:
self.previous_shower.base_withdraw_show_background()
# close the player from the previous track
if self.previous_player is not None:
self.mon.trace(self,' - hiding previous: ' + self.mon.pretty_inst(self.previous_player))
self.previous_player.hide()
# print 'Not None - previous state is',self.previous_player.get_play_state()
if self.previous_player.get_play_state() == 'showing':
# print 'showing so closing previous'
# showing or frozen
self.mon.trace(self,' - closing previous: ' + self.mon.pretty_inst(self.previous_player))
self.previous_player.close(self._base_closed_callback_previous)
else:
self.mon.trace(self,' - previous is none\n')
self.previous_player=None
self.canvas.update_idletasks( )
def _base_closed_callback_previous(self,status,message):
self.mon.trace(self,' - previous is None - was: ' + self.mon.pretty_inst(self.previous_player))
self.previous_player=None
# used by end_shower to get the last track of the subshow
def base_end_shower(self):
self.mon.trace(self,' - returned back to level: ' +str(self.level))
# get the previous subshow and last track it played
self.previous_shower,self.current_player=self.shower.base_subshow_ended_callback()
if self.previous_shower!= None:
self.subshow_kickback_signal=self.shower.subshow_kickback_signal
# print 'get subshow kickback from subshow',self.subshow_kickback_signal
self.previous_shower.base_withdraw_show_background()
self.base_show_show_background()
self.previous_player=None
self.mon.trace(self,'- get previous_player from subshow: ' + self.mon.pretty_inst(self.current_player))
self.shower=None
# close or unload the current player when ending the show
def base_close_or_unload(self):
self.mon.trace(self,self.mon.pretty_inst(self.current_player))
# need to test for None because player may be made None by subshow lower down the stack for terminate
if self.current_player is not None:
self.mon.trace(self,self.current_player.get_play_state())
if self.current_player.get_play_state() in ('loaded','showing','show-failed'):
if self.current_player.get_play_state() == 'loaded':
self.mon.trace(self,' - unloading current from: '+self.ending_reason)
self.current_player.unload()
else:
self.mon.trace(self,' - closing current from: ' + self.ending_reason)
self.current_player.close(None)
self._wait_for_end()
else:
# current_player is None because closed further down show stack
self.mon.trace(self,' - show ended with current_player=None because: ' + self.ending_reason)
# if exiting pipresents then need to close previous show else get memotry leak
# if not exiting pipresents the keep previous so it can be closed when showing the next track
# print 'CURRENT PLAYER IS NONE' ,self.ending_reason
if self.ending_reason == 'killed':
self.base_close_previous()
elif self.ending_reason == 'error':
self.base_close_previous()
elif self.ending_reason == 'exit':
self.end('normal',"show quit by exit command")
elif self.ending_reason == 'user-stop':
self.end('normal',"show quit by stop operation")
else:
self.mon.fatal(self,"Unhandled ending_reason: ")
self.end('error',"Unhandled ending_reason")
def _base_closed_callback_current(self,status,message):
self.mon.trace(self,' current is None - was: ' + self.mon.pretty_inst(self.current_player))
# wait for unloading or closing to complete then end
def _wait_for_end(self):
self.mon.trace(self, self.mon.pretty_inst(self.current_player))
if self.current_player is not None:
self.mon.trace(self,' - play state is ' +self.current_player.get_play_state())
if self.current_player.play_state not in ('unloaded','closed','load-failed'): ####
self.canvas.after(50,self._wait_for_end)
else:
self.mon.trace(self,' - current closed '+ self.mon.pretty_inst(self.current_player) + ' ' + self.ending_reason)
#why is some of thsi different to close and unload????????????? perhaps because current_player isn't none, just closed
if self.ending_reason == 'killed':
self.current_player.hide()
self.current_player=None
self.base_close_previous()
elif self.ending_reason == 'error':
self.current_player.hide()
self.current_player=None
self.base_close_previous()
elif self.ending_reason == 'exit':
self.current_player.hide()
self.current_player=None
self.base_close_previous()
elif self.ending_reason == 'change-medialist':
self.current_player.hide()
self.current_player=None
# self.base_close_previous()
# go to start of list via wait for trigger.
self.wait_for_trigger()
elif self.ending_reason == 'show-timeout':
self.current_player.hide()
self.current_player=None
self.end('normal',"show timeout")
elif self.ending_reason == 'user-stop':
if self.level !=0:
self.end('normal',"show quit by stop operation")
else:
self.current_player.hide()
self.current_player=None
self.base_close_previous()
else:
self.mon.fatal(self,"Unhandled ending_reason: " + self.ending_reason)
self.end('error',"Unhandled ending_reason")
else:
self.mon.trace(self,' - current is None ' + self.mon.pretty_inst(self.current_player) + ' ' + self.ending_reason)
# ***************************
# end of show
# ***************************
# dummy, normally overidden by derived class
def end(self,reason,message):
self.mon.err(self,"end not overidden")
self.base_end('error',message)
def base_end(self,reason,message):
self.base_withdraw_show_background()
self.base_delete_show_background()
self.mon.trace(self,' at level ' + str(self.level) + '\n - Current is ' + self.mon.pretty_inst(self.current_player) + '\n - Previous is ' + self.mon.pretty_inst(self.previous_player) + '\n with reason' + reason + '\n\n')
self.mon.log(self,self.show_params['show-ref']+ ' Show Id: '+ str(self.show_id)+ ": Ending Show")
self.end_callback(self.show_id,reason,message)
self=None
def base_subshow_ended_callback(self):
# called by end_shower of a parent show to get the last track of the subshow and the subshow
self.mon.trace(self,' - returns ' + self.mon.pretty_inst(self.current_player))
return self, self.current_player
# ********************************
# Respond to external events
# ********************************
def base_close_previous(self):
self.mon.trace(self,'')
# close the player from the previous track
if self.previous_player is not None:
self.mon.trace(self,' - previous not None ' + self.mon.pretty_inst(self.previous_player))
if self.previous_player.get_play_state() == 'showing':
# showing or frozen
self.mon.trace(self,' - closing previous ' + self.mon.pretty_inst(self.previous_player))
self.previous_player.close(self._base_close_previous_callback)
else:
self.mon.trace(self,'previous is not showing')
self.previous_player.hide()
self.previous_player=None
self.end(self.ending_reason,'')
else:
self.mon.trace(self,' - previous is None')
self.end(self.ending_reason,'')
def _base_close_previous_callback(self,status,message):
self.mon.trace(self, ' - previous is None - was ' + self.mon.pretty_inst(self.previous_player))
self.previous_player.hide()
self.previous_player=None
self.end(self.ending_reason,'')
# exit received from external source
def base_exit(self):
self.mon.log(self,self.show_params['show-ref']+ ' '+ str(self.show_id)+ ": Exit received")
self.mon.trace(self,'')
# set signal to exit the show when all sub-shows and players have ended
self.exit_signal=True
# then stop subshow or tracks.
if self.shower is not None:
self.shower.exit()
elif self.current_player is not None:
self.current_player.input_pressed('stop')
else:
self.end('normal','exit by ShowManager')
# show timeout callback received
def base_show_timeout_stop(self):
self.mon.trace(self,'')
# set signal to exit the show when all sub-shows and players have ended
self.show_timeout_signal=True
# then stop and shows or tracks.
if self.shower is not None:
self.shower.show_timeout_stop()
elif self.current_player is not None:
self.current_player.input_pressed('stop')
else:
self.end('normal','stopped by Show Timeout')
# dummy, normally overidden by derived class
def terminate(self):
self.mon.err(self,"terminate not overidden")
self.base_end('error',"terminate not overidden")
# terminate Pi Presents
def base_terminate(self):
self.mon.trace(self,'')
# set signal to stop the show when all sub-shows and players have ended
self.terminate_signal=True
if self.shower is not None:
self.shower.terminate()
elif self.current_player is not None:
self.ending_reason='killed'
Show.base_close_or_unload(self)
else:
self.end('killed',' terminated with no shower or player to terminate')
# respond to input events
def base_handle_input_event(self,symbol):
self.mon.log(self, self.show_params['show-ref']+ ' Show Id: '+ str(self.show_id)+": received input event: " + symbol)
if self.shower is not None:
self.shower.handle_input_event(symbol)
else:
self.handle_input_event_this_show(symbol)
#dummy must be overridden in derived class
def handle_input_event_this_show(self,symbol):
self.mon.err(self,"input_pressed_this_show not overidden")
self.ending_reason='killed'
Show.base_close_or_unload(self)
def base_load_show_background(self):
# load show background image
if self.background_file != '':
background_img_file = self.base_complete_path(self.background_file)
if not os.path.exists(background_img_file):
return 'error',"Show background file not found "+ background_img_file
else:
pil_background_img=Image.open(background_img_file)
# print 'pil_background_img ',pil_background_img
image_width,image_height=pil_background_img.size
window_width=self.show_canvas_width
window_height=self.show_canvas_height
if image_width != window_width or image_height != window_height:
pil_background_img=pil_background_img.resize((window_width, window_height))
self.background = ImageTk.PhotoImage(pil_background_img)
del pil_background_img
# print 'self.background ',self.background
self.background_obj = self.canvas.create_image(self.show_canvas_x1,
self.show_canvas_y1,
image=self.background,
anchor=NW)
self.canvas.itemconfig(self.background_obj,state='hidden')
self.canvas.update_idletasks( )
# print '\nloaded background_obj: ',self.background_obj
return 'normal','show background loaded'
else:
return 'normal','no backgound to load'
def base_show_show_background(self):
if self.background_obj is not None:
# print 'show show background'
self.canvas.itemconfig(self.background_obj,state='normal')
# self.canvas.update_idletasks( )
def base_withdraw_show_background(self):
self.mon.trace(self,'')
if self.background_obj is not None:
# print 'withdraw background obj', self.background_obj
self.canvas.itemconfig(self.background_obj,state='hidden')
# self.canvas.update_idletasks( )
def base_delete_show_background(self):
if self.background_obj is not None:
# print 'delete background obj'
self.canvas.delete(self.background_obj)
self.background=None
# self.canvas.update_idletasks( )
# ******************************
# write statiscics
# *********************************
def write_stats(self,command,show_params,next_track):
# action, this ref, this name, type, ref, name, location
if next_track['type']=='show':
# get the show from the showlist
index = self.showlist.index_of_show(next_track['sub-show'])
if index <0:
self.mon.err(self,"Show not found in showlist: "+ next_track['sub-show'])
self.end('error','show not in showlist')
else:
target=self.showlist.show(index)
ref=target['show-ref']
title=target['title']
track_type=target['type']
else:
# its a track
ref= next_track['track-ref']
title=next_track['title']
track_type=next_track['type']
if next_track['type'] in ('show','message'):
loc = ''
else:
loc = next_track['location']
self.mon.stats(show_params['type'],show_params['show-ref'],show_params['title'],command,
track_type,ref,title,loc)
# ******************************
# lookup controls
# *********************************
def base_lookup_control(self,symbol,controls_list):
for control in controls_list:
if symbol == control[0]:
return control[1]
# not found so must be a trigger
return ''
# ******************************
# Eggtimer
# *********************************
def display_eggtimer(self):
text=self.show_params['eggtimer-text']
if text != '':
self.egg_timer=self.canvas.create_text(int(self.show_params['eggtimer-x'])+ self.show_canvas_x1,
int(self.show_params['eggtimer-y']) + self.show_canvas_y1,
text= text,
fill=self.show_params['eggtimer-colour'],
font=self.show_params['eggtimer-font'],
anchor='nw')
self.canvas.update_idletasks( )
def delete_eggtimer(self):
if self.egg_timer is not None:
self.canvas.delete(self.egg_timer)
self.egg_timer=None
self.canvas.update_idletasks( )
# ******************************
# Display Admin Messages
# *********************************
def display_admin_message(self,text):
self.admin_message=self.canvas.create_text(int(self.show_params['admin-x']) + self.show_canvas_x1,
int(self.show_params['admin-y'])+self.show_canvas_y1,
text= text,
fill=self.show_params['admin-colour'],
font=self.show_params['admin-font'],
anchor='nw')
self.canvas.update_idletasks( )
def delete_admin_message(self):
if self.admin_message is not None:
self.canvas.delete(self.admin_message)
self.canvas.update_idletasks( )
# ******************************
# utilities
# ******************************
def base_complete_path(self,track_file):
# complete path of the filename of the selected entry
if track_file != '' and track_file[0]=="+":
track_file=self.pp_home+track_file[1:]
self.mon.log(self,"Track to load is: "+ track_file)
return track_file
def calculate_duration(self,line):
fields=line.split(':')
if len(fields)==1:
secs=fields[0]
minutes='0'
hours='0'
if len(fields)==2:
secs=fields[1]
minutes=fields[0]
hours='0'
if len(fields)==3:
secs=fields[2]
minutes=fields[1]
hours=fields[0]
if not secs.isdigit() or not minutes.isdigit() or not hours.isdigit():
return 'error','bad time',0
else:
return 'normal','',3600*long(hours)+60*long(minutes)+long(secs)
