def move_to(self, from_key, to_key):
idx_from = self.get_cell_index(from_key)
idx_to = self.get_cell_index(to_key)
y = (idx_from - idx_to) * self.cell_height
if y > 0:
ansi.down(y)
elif y < 0:
ansi.up(-y)
ansi.move_horizontal(self.term_width)
def add_cell(self, key):
if not key in self.cell_keys:
self.cell_keys.insert(0, key)
y = self.cell_height
# if this is the first key
if len(self.cell_keys) == 1:
y = self.cell_height - 1
ansi.write('\n' * y)
ansi.move_horizontal(self.term_width)
def display(self, msg):
key, rows = self.render(msg)
# add a row to our table
self.add_cell(key)
# display rows
self.move_from_the_bottom_to(key)
ansi.up(2)
for i, row in enumerate(rows):
ansi.move_horizontal(0)
if i > 0:
ansi.down(1)
ansi.clear_line()
ansi.write(row)
ansi.move_horizontal(self.term_width)
self.move_to_the_bottom_from(key)