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# This file is part of Tryton. The COPYRIGHT file at the top level of
# this repository contains the full copyright notices and license terms.
import locale
from gi.repository import GObject
from .cellrenderertext import CellRendererText
class CellRendererInteger(CellRendererText):
def on_editing_started(self, editable, path):
super().on_editing_started(editable, path)
editable.set_alignment(1.0)
editable.connect('insert_text', self.sig_insert_text)
def _can_insert_text(self, entry, new_text, position):
value = entry.get_text()
new_value = value[:position] + new_text + value[position:]
if new_value != '-':
try:
locale.atoi(new_value)
except ValueError:
return False
return True
def sig_insert_text(self, entry, new_text, new_text_length, position):
position = entry.get_position()
if not self._can_insert_text(entry, new_text, position):
entry.stop_emission_by_name('insert-text')
GObject.type_register(CellRendererInteger)
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