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from kivy.uix.label import Label
from kivy.uix.stacklayout import StackLayout
from kivy.uix.relativelayout import RelativeLayout
from kivy.properties import ListProperty
from kivy.clock import Clock
from ..helpers import duration_to_min_sec
import math
__all__ = ["PlayList",
"PlayListIcons", "PlayListIcon",
"PlayListNames", "PlayListName",
"PlayListTimes", "PlayListTime"]
class PlayList(RelativeLayout):
playlist = ListProperty([])
def __init__(self, **kwargs):
super(PlayList, self).__init__(**kwargs)
Clock.schedule_interval(self.update_playlist, 0.5)
def update_playlist(self, dt):
if self.parent is None or 'Mapping' not in self.parent.ids:
return True
open_files = self.parent.ids['Mapping'].open_files
playlist = []
for music_file in open_files.values():
if not music_file.is_in_use():
continue
time_info = "{}/{}".format(
duration_to_min_sec(music_file.sound_position),
duration_to_min_sec(music_file.sound_duration))
if music_file.is_loaded_paused():
playlist.append(["⏸", music_file.name, time_info, False])
else:
playlist.append(["⏵", music_file.name, time_info, True])
self.playlist = playlist
class PlayListIcons(StackLayout):
def __init__(self, **kwargs):
super(PlayListIcons, self).__init__(**kwargs)
self.icons = []
def on_parent(self, instance, parent):
parent.bind(playlist=self.update_playlist_icons)
def update_playlist_icons(self, instance, playlist):
for icon in self.icons:
self.remove_widget(icon)
self.icons = []
for icon, filename, time_info, playing in playlist:
icon_label = PlayListIcon(text=icon)
self.add_widget(icon_label)
self.icons.append(icon_label)
class PlayListIcon(Label):
def __init__(self, text='', **kwargs):
super(PlayListIcon, self).__init__(**kwargs)
self.text = text
def on_parent(self, instance, parent):
if parent is not None:
self.font_size = math.ceil(2 * math.sqrt(parent.parent.parent.key_size))
self.height = parent.parent.labels_height
class PlayListNames(StackLayout):
def __init__(self, **kwargs):
super(PlayListNames, self).__init__(**kwargs)
self.names = []
def on_parent(self, instance, parent):
parent.bind(playlist=self.update_playlist_names)
def update_playlist_names(self, instance, playlist):
for name in self.names:
self.remove_widget(name)
self.names = []
for icon, filename, time_info, playing in playlist:
name_label = PlayListName(text=filename, is_playing=playing)
self.add_widget(name_label)
self.names.append(name_label)
class PlayListName(Label):
def __init__(self, text='', is_playing=False, **kwargs):
super(PlayListName, self).__init__(**kwargs)
self.text = text
self.bold = is_playing
def on_parent(self, instance, parent):
if parent is not None:
self.font_size = math.ceil(2 * math.sqrt(parent.parent.parent.key_size))
self.height = parent.parent.labels_height
class PlayListTimes(StackLayout):
def __init__(self, **kwargs):
super(PlayListTimes, self).__init__(**kwargs)
self.times = []
def on_parent(self, instance, parent):
parent.bind(playlist=self.update_playlist_times)
def update_playlist_times(self, instance, playlist):
for time in self.times:
self.remove_widget(time)
self.times = []
for icon, filename, time_info, playing in playlist:
time_label = PlayListTime(text=time_info)
self.add_widget(time_label)
self.times.append(time_label)
class PlayListTime(Label):
def __init__(self, text='', **kwargs):
super(PlayListTime, self).__init__(**kwargs)
self.text = text
def on_parent(self, instance, parent):
if parent is not None:
self.font_size = math.ceil(2 * math.sqrt(parent.parent.parent.key_size))
self.height = parent.parent.labels_height
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