class StreamsView(urwid.Frame):
def __init__(self, streams_btn_list: List[Any], view: Any) -> None:
self.view = view
self.log = urwid.SimpleFocusListWalker(streams_btn_list)
self.streams_btn_list = streams_btn_list
list_box = urwid.ListBox(self.log)
self.search_box = StreamSearchBox(self)
urwid.connect_signal(self.search_box, 'change', self.update_streams)
super(StreamsView, self).__init__(list_box,
header=urwid.LineBox(self.search_box,
tlcorner=u'─',
tline=u'─',
lline=u'',
trcorner=u'─',
blcorner=u'─',
rline=u'',
bline=u'─',
brcorner=u'─'))
self.search_lock = threading.Lock()
@asynch
def update_streams(self, search_box: Any, new_text: str) -> None:
if not self.view.controller.editor_mode:
return
# wait for any previously started search to finish to avoid
# displaying wrong stream list.
self.search_lock.acquire()
streams_display = self.streams_btn_list.copy()
for stream in self.streams_btn_list:
if not stream.caption.lower().startswith(new_text):
streams_display.remove(stream)
self.log.clear()
self.log.extend(streams_display)
self.view.controller.update_screen()
self.search_lock.release()
def mouse_event(self, size: Any, event: str, button: int, col: int,
row: int, focus: Any) -> Any:
if event == 'mouse press':
if button == 4:
self.keypress(size, 'up')
return True
elif button == 5:
self.keypress(size, 'down')
return True
return super(StreamsView, self).mouse_event(size, event, button, col,
row, focus)
def keypress(self, size: Tuple[int, int], key: str) -> str:
if is_command_key('SEARCH_STREAMS', key):
self.set_focus('header')
return key
elif is_command_key('GO_BACK', key):
self.search_box.set_edit_text("Search streams")
self.log.clear()
self.log.extend(self.streams_btn_list)
self.set_focus('body')
self.view.controller.update_screen()
return key
return super(StreamsView, self).keypress(size, key)
def __init__(self, streams_btn_list: List[Any], view: Any) -> None:
self.view = view
self.log = urwid.SimpleFocusListWalker(streams_btn_list)
self.streams_btn_list = streams_btn_list
list_box = urwid.ListBox(self.log)
self.search_box = StreamSearchBox(self)
urwid.connect_signal(self.search_box, 'change', self.update_streams)
super(StreamsView, self).__init__(list_box, header=urwid.LineBox(
self.search_box, tlcorner=u'─', tline=u'─', lline=u'',
trcorner=u'─', blcorner=u'─', rline=u'',
bline=u'─', brcorner=u'─'
))
self.search_lock = threading.Lock()