def select_start_chno(self):
start_chno = gui.numeric(_.ENTER_START_CHNO, default=self.start_chno)
if start_chno is None:
return False
self.start_chno = start_chno
return True
def edit_chno(self, channel):
self.fields['chno'] = self.fields.get('chno', channel.chno)
new_chno = gui.numeric(
'Channel Number',
default=self.fields['chno'] if self.fields['chno'] != None else '')
try:
new_chno = int(new_chno)
except:
new_chno = None
if new_chno == channel.chno:
self.fields.pop('chno')
elif new_chno:
self.fields['chno'] = new_chno
else:
return False
return True