def _render_record(self, rec):
self.cells = []
schema = DatabaseData().schema()
for i in range(schema.nfields() + 1):
head = self.text("", "description")
body = self._create_body(rec, i)
pile = urwid.Pile([head, body])
self.cells.append(pile)
mapped_cells = self._map_cells()
screen_cols = self.loop.screen.get_cols_rows()[0]
grid = urwid.GridFlow(mapped_cells,
int((screen_cols - 2) / schema.columns()), 1,
1, "left")
self.grid = grid
for i in self.cells:
i.widget_list[1].set_grid(self.grid)
self._set_titles_for_grid(rec.table)
return grid
