######################################################################################################################
# Copyright (C) 2017-2021 Spine project consortium
# This file is part of Spine Toolbox.
# Spine Toolbox is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
# Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option)
# any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
# Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
######################################################################################################################
"""
An editor widget for editing datetime database (relationship) parameter values.
:author: A. Soininen (VTT)
:date: 28.6.2019
"""
from datetime import datetime
from PySide2.QtCore import QDate, QDateTime, QTime, Slot
from PySide2.QtWidgets import QWidget
from spinedb_api import DateTime
[docs]def _QDateTime_to_datetime(dt):
"""Converts a QDateTime object to Python's datetime.datetime type."""
date = dt.date()
time = dt.time()
return datetime(
year=date.year(),
month=date.month(),
day=date.day(),
hour=time.hour(),
minute=time.minute(),
second=time.second(),
)
[docs]def _datetime_to_QDateTime(dt):
"""Converts Python's datetime.datetime object to QDateTime."""
date = QDate(dt.year, dt.month, dt.day)
time = QTime(dt.hour, dt.minute, dt.second)
return QDateTime(date, time)
[docs]class DatetimeEditor(QWidget):
"""
An editor widget for DateTime type parameter values.
Attributes:
parent (QWidget): a parent widget
"""
def __init__(self, parent=None):
from ..ui.datetime_editor import Ui_DatetimeEditor # pylint: disable=import-outside-toplevel
super().__init__(parent)
self._value = DateTime("2000-01-01")
self._ui = Ui_DatetimeEditor()
self._ui.setupUi(self)
self._ui.datetime_edit.setMinimumDate(QDate(1, 1, 1))
self._ui.datetime_edit.setDateTime(_datetime_to_QDateTime(self._value.value))
self._ui.datetime_edit.dateTimeChanged.connect(self._change_datetime)
@Slot("QDateTime", name="_change_datetime")
[docs] def _change_datetime(self, new_datetime):
"""Updates the internal DateTime value"""
new_value = DateTime(_QDateTime_to_datetime(new_datetime))
self._value = new_value
[docs] def set_value(self, value):
"""Sets the value to be edited."""
self._value = value
self._ui.datetime_edit.setDateTime(_datetime_to_QDateTime(value.value))
[docs] def value(self):
"""Returns the editor's current value."""
return self._value