def _validate_date(self, value, reason, widget, validation):
"""
Validate that the date string can be parsed.
Will clear the field if focus is lost and the date cannot be parsed,
and enable the associated 'Update' button if it can.
"""
if isinstance(widget, basestring):
widget = self.nametowidget(widget)
if reason in ['focusin', 'key']:
return True
elif reason == 'focusout':
# Return True if the date parses
try:
new_dt = None
if value:
new_dt = utils.parse_datetime(value)
widget.delete(0, 1000)
widget.insert(0, utils.format_date(new_dt))
if new_dt != widget.original:
widget['background'] = 'green'
elif new_dt and utils.is_past(new_dt):
widget['background'] = 'red'
else:
widget['background'] = 'systemWindowBody'
widget.after_idle(widget.config, {'validate': validation})
return True
except habitcli.utils.DateParseException:
print "Invalid date entry,", value, ", deleting..."
widget.delete(0, 1000)
widget.after_idle(widget.config, {'validate': validation})
return False
# Return True for all other reasons
else:
return True
def _add_due_field(self, datum, row):
"""Add a due date field for the given todo."""
due_date = datum.get_due_date()
due_str = utils.format_date(due_date)
due = tk.Entry(self, validate="all", validatecommand=self.val_date)
due.insert(0, due_str)
if utils.is_past(due_date):
due['background'] = 'red'
due.original = due_date
due.grid(row=row, column=3, sticky="nsew")
return due
def _add_plan_field(self, datum, row):
"""Add a plan date field for the given todo."""
plan_date = datum.get_planning_date()
plan_date_str = utils.format_date(plan_date)
plan = tk.Entry(self, validate="all", validatecommand=self.val_date)
plan.insert(0, plan_date_str)
if utils.is_past(plan_date):
plan['background'] = 'red'
plan.original = plan_date
plan.grid(row=row, column=2, sticky="nsew")
return plan
