def __init__(self, body, keymap={}):
self.scroll = utility.scroll(range(len(body))) \
if len(body) != 0 else utility.scroll([0])
self.keymap = dict(keymap)
self.search_anchor = None
self._searcher = search
self._builder = shift_iterable
super(MappedList, self).__init__(body)
def set(self, contents):
self.body[:] = contents
currentIndex = self.scroll()
focusIndex = len(contents) - 1 \
if len(contents) < currentIndex \
else currentIndex
self.scroll = utility.scroll(range(len(contents)), focusIndex)
def set_focus(self, position):
self.focus_position = position
self.set_focus_valign('middle')
self.body[:] = self.body[:]
self.scroll = utility.scroll(range(len(self.body[:])), position)
urwid.emit_signal(self, 'shift')
