mirror of
https://github.com/liberatedsystems/openCom-Companion.git
synced 2024-11-23 05:50:36 +01:00
1442 lines
50 KiB
Python
1442 lines
50 KiB
Python
"""
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Components/DatePicker
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=====================
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.. seealso::
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`Material Design spec, Date picker <https://material.io/components/date-pickers>`_
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.. rubric:: Includes date picker.
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/picker-previous.png
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:align: center
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.. warning:: The widget is under testing. Therefore, we would be grateful if
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you would let us know about the bugs found.
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.. rubric:: Usage
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.. code-block:: python
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from kivy.lang import Builder
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from kivymd.app import MDApp
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from kivymd.uix.pickers import MDDatePicker
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KV = '''
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MDFloatLayout:
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MDTopAppBar:
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title: "MDDatePicker"
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pos_hint: {"top": 1}
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elevation: 10
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MDRaisedButton:
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text: "Open date picker"
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pos_hint: {'center_x': .5, 'center_y': .5}
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on_release: app.show_date_picker()
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'''
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class Test(MDApp):
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def build(self):
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return Builder.load_string(KV)
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def on_save(self, instance, value, date_range):
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'''
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Events called when the "OK" dialog box button is clicked.
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:type instance: <kivymd.uix.picker.MDDatePicker object>;
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:param value: selected date;
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:type value: <class 'datetime.date'>;
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:param date_range: list of 'datetime.date' objects in the selected range;
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:type date_range: <class 'list'>;
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'''
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print(instance, value, date_range)
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def on_cancel(self, instance, value):
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'''Events called when the "CANCEL" dialog box button is clicked.'''
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def show_date_picker(self):
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date_dialog = MDDatePicker()
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date_dialog.bind(on_save=self.on_save, on_cancel=self.on_cancel)
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date_dialog.open()
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Test().run()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/MDDatePicker.gif
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:align: center
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Open date dialog with the specified date
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----------------------------------------
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.. code-block:: python
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def show_date_picker(self):
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date_dialog = MDDatePicker(year=1983, month=4, day=12)
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date_dialog.open()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/previous-date.png
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:align: center
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Interval date
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-------------
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You can set the time interval from and to the set date. All days of the week
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that are not included in this range will have the status `disabled`.
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.. code-block:: python
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def show_date_picker(self):
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date_dialog = MDDatePicker(
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min_date=datetime.date(2021, 2, 15),
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max_date=datetime.date(2021, 3, 27),
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)
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date_dialog.open()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/range-date.gif
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:align: center
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The range of available dates can be changed in the picker dialog:
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/change-range-date.gif
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:align: center
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Select year
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-----------
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/select-year-date.gif
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:align: center
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.. warning:: The list of years when opening is not automatically set
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to the current year.
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You can set the range of years using the :attr:`~kivymd.uix.picker.MDDatePicker.min_year` and
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:attr:`~kivymd.uix.picker.MDDatePicker.max_year` attributes:
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.. code-block:: python
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def show_date_picker(self):
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date_dialog = MDDatePicker(min_year=2021, max_year=2030)
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date_dialog.open()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/min-max-year-date.png
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:align: center
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Set and select a date range
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---------------------------
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.. code-block:: python
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def show_date_picker(self):
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date_dialog = MDDatePicker(mode="range")
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date_dialog.open()
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/set-select-range-date.gif
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:align: center
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"""
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__all__ = ("MDDatePicker", "BaseDialogPicker", "DatePickerInputField")
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import calendar
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import datetime
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import os
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import time
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from datetime import date
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from typing import Union
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from kivy import Logger
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from kivy.animation import Animation
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from kivy.clock import Clock
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from kivy.lang import Builder
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from kivy.metrics import dp
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from kivy.properties import (
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BooleanProperty,
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ColorProperty,
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ListProperty,
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NumericProperty,
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ObjectProperty,
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OptionProperty,
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StringProperty,
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)
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from kivy.uix.anchorlayout import AnchorLayout
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from kivy.uix.behaviors import ButtonBehavior, FocusBehavior
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from kivy.uix.recyclegridlayout import RecycleGridLayout
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from kivy.uix.recycleview.layout import LayoutSelectionBehavior
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from kivy.uix.recycleview.views import RecycleDataViewBehavior
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from kivymd import uix_path
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from kivymd.theming import ThemableBehavior, ThemeManager
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from kivymd.toast import toast
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from kivymd.uix.behaviors import (
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CircularRippleBehavior,
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FakeRectangularElevationBehavior,
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SpecificBackgroundColorBehavior,
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)
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from kivymd.uix.boxlayout import MDBoxLayout
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from kivymd.uix.button import MDIconButton
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from kivymd.uix.dialog import BaseDialog
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from kivymd.uix.label import MDLabel
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from kivymd.uix.textfield import MDTextField
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from kivymd.uix.tooltip import MDTooltip
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with open(
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os.path.join(uix_path, "pickers", "datepicker", "datepicker.kv"),
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encoding="utf-8",
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) as kv_file:
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Builder.load_string(kv_file.read())
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class BaseDialogPicker(
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BaseDialog,
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FakeRectangularElevationBehavior,
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SpecificBackgroundColorBehavior,
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):
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"""
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Base class for :class:`~kivymd.uix.picker.MDDatePicker` and
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:class:`~kivymd.uix.picker.MDTimePicker` classes.
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:Events:
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`on_save`
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Events called when the "OK" dialog box button is clicked.
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`on_cancel`
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Events called when the "CANCEL" dialog box button is clicked.
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"""
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title_input = StringProperty("INPUT DATE")
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"""
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Dialog title fot input date.
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.. code-block:: python
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MDDatePicker(title_input="INPUT DATE")
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/md-date-picker-input-date.png
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:align: center
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:attr:`title_input` is an :class:`~kivy.properties.StringProperty`
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and defaults to `INPUT DATE`.
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"""
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title = StringProperty("SELECT DATE")
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"""
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Dialog title fot select date.
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.. code-block:: python
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MDDatePicker(title="SELECT DATE")
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/md-date-picker-select-date.png
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:align: center
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:attr:`title` is an :class:`~kivy.properties.StringProperty`
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and defaults to `SELECT DATE`.
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"""
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radius = ListProperty([7, 7, 7, 7])
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"""
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Radius list for the four corners of the dialog.
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.. code-block:: python
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MDDatePicker(radius=[7, 7, 7, 26])
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/md-date-picker-radius.png
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:align: center
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:attr:`radius` is an :class:`~kivy.properties.ListProperty`
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and defaults to `[7, 7, 7, 7]`.
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"""
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primary_color = ColorProperty(None)
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"""
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Background color of toolbar in (r, g, b, a) format.
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.. code-block:: python
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MDDatePicker(primary_color=get_color_from_hex("#72225b"))
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/primary-color-date.png
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:align: center
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:attr:`primary_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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accent_color = ColorProperty(None)
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"""
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Background color of calendar/clock face in (r, g, b, a) format.
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.. code-block:: python
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MDDatePicker(
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primary_color=get_color_from_hex("#72225b"),
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accent_color=get_color_from_hex("#5d1a4a"),
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/accent-color-date.png
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:align: center
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:attr:`accent_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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selector_color = ColorProperty(None)
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"""
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Background color of the selected day of the month or hour in (r, g, b, a) format.
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.. code-block:: python
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MDDatePicker(
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primary_color=get_color_from_hex("#72225b"),
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accent_color=get_color_from_hex("#5d1a4a"),
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selector_color=get_color_from_hex("#e93f39"),
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/selector-color-date.png
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:align: center
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:attr:`selector_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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text_toolbar_color = ColorProperty(None)
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"""
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Color of labels for text on a toolbar in (r, g, b, a) format.
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.. code-block:: python
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MDDatePicker(
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primary_color=get_color_from_hex("#72225b"),
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accent_color=get_color_from_hex("#5d1a4a"),
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selector_color=get_color_from_hex("#e93f39"),
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text_toolbar_color=get_color_from_hex("#cccccc"),
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/text-toolbar-color-date.png
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:align: center
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:attr:`text_toolbar_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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text_color = ColorProperty(None)
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"""
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Color of text labels in calendar/clock face in (r, g, b, a) format.
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.. code-block:: python
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MDDatePicker(
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primary_color=get_color_from_hex("#72225b"),
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accent_color=get_color_from_hex("#5d1a4a"),
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selector_color=get_color_from_hex("#e93f39"),
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text_toolbar_color=get_color_from_hex("#cccccc"),
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text_color=("#ffffff"),
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/text-color-date.png
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:align: center
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:attr:`text_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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text_current_color = ColorProperty(None)
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"""
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Color of the text of the current day of the month/hour in (r, g, b, a) format.
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.. code-block:: python
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MDDatePicker(
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primary_color=get_color_from_hex("#72225b"),
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accent_color=get_color_from_hex("#5d1a4a"),
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selector_color=get_color_from_hex("#e93f39"),
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text_toolbar_color=get_color_from_hex("#cccccc"),
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text_color=("#ffffff"),
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text_current_color=get_color_from_hex("#e93f39"),
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/text-current-color-date.png
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:align: center
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:attr:`text_current_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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text_button_color = ColorProperty(None)
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"""
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Text button color in (r, g, b, a) format.
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.. code-block:: python
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MDDatePicker(
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primary_color=get_color_from_hex("#72225b"),
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accent_color=get_color_from_hex("#5d1a4a"),
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selector_color=get_color_from_hex("#e93f39"),
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text_toolbar_color=get_color_from_hex("#cccccc"),
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text_color=("#ffffff"),
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text_current_color=get_color_from_hex("#e93f39"),
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text_button_color=(1, 1, 1, .5),
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/text-button-color-date.png
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:align: center
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:attr:`text_button_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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input_field_background_color = ColorProperty(None)
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"""
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Background color of input fields in (r, g, b, a) format.
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.. code-block:: python
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MDDatePicker(
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primary_color=get_color_from_hex("#72225b"),
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accent_color=get_color_from_hex("#5d1a4a"),
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selector_color=get_color_from_hex("#e93f39"),
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text_toolbar_color=get_color_from_hex("#cccccc"),
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text_color=("#ffffff"),
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text_current_color=get_color_from_hex("#e93f39"),
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input_field_background_color=(1, 1, 1, 0.2),
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/input-field-background-color-date.png
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:align: center
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:attr:`input_field_background_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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input_field_text_color = ColorProperty(None)
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"""
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Text color of input fields in (r, g, b, a) format.
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Background color of input fields.
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.. code-block:: python
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MDDatePicker(
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primary_color=get_color_from_hex("#72225b"),
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accent_color=get_color_from_hex("#5d1a4a"),
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selector_color=get_color_from_hex("#e93f39"),
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text_toolbar_color=get_color_from_hex("#cccccc"),
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text_color=("#ffffff"),
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text_current_color=get_color_from_hex("#e93f39"),
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input_field_background_color=(1, 1, 1, 0.2),
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input_field_text_color=(1, 1, 1, 1),
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/input-field-background-color-date.png
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:align: center
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:attr:`input_field_text_color` is an :class:`~kivy.properties.ColorProperty`
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and defaults to `None`.
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"""
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font_name = StringProperty("Roboto")
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"""
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Font name for dialog window text.
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.. code-block:: python
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MDDatePicker(
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primary_color=get_color_from_hex("#72225b"),
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accent_color=get_color_from_hex("#5d1a4a"),
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selector_color=get_color_from_hex("#e93f39"),
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text_toolbar_color=get_color_from_hex("#cccccc"),
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text_color=("#ffffff"),
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text_current_color=get_color_from_hex("#e93f39"),
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input_field_background_color=(1, 1, 1, 0.2),
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input_field_text_color=(1, 1, 1, 1),
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font_name="Weather.ttf",
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)
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.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/font-name-date.png
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:align: center
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:attr:`font_name` is an :class:`~kivy.properties.StringProperty`
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and defaults to `'Roboto'`.
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"""
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def __init__(self, **kwargs):
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super().__init__(**kwargs)
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self.register_event_type("on_save")
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self.register_event_type("on_cancel")
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def on_save(self, *args) -> None:
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"""Events called when the "OK" dialog box button is clicked."""
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self.dismiss()
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def on_cancel(self, *args) -> None:
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"""Events called when the "CANCEL" dialog box button is clicked."""
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self.dismiss()
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class DatePickerBaseTooltip(MDTooltip):
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"""Implements tooltips for members of the :class:`~MDDatePicker` class."""
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owner = ObjectProperty() # MDDatePicker object
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hint_text = StringProperty()
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class DatePickerIconTooltipButton(MDIconButton, DatePickerBaseTooltip):
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pass
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class DatePickerWeekdayLabel(MDLabel, DatePickerBaseTooltip):
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pass
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class DatePickerTypeDateError(Exception):
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pass
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class DatePickerInputField(MDTextField):
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"""Implements date input in dd/mm/yyyy format."""
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helper_text_mode = StringProperty("on_error")
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owner = ObjectProperty() # MDDatePicker object
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def set_error(self):
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"""Sets a text field to an error state."""
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self.error = True
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def input_filter(self, value: str, boolean: bool) -> Union[str, None]:
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"""Filters the input according to the specified mode."""
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|
|
|
if self.is_numeric(value):
|
|
return value
|
|
|
|
def is_numeric(self, value: str) -> bool:
|
|
"""
|
|
Returns true if the value of the `value` argument can be converted
|
|
to an integer, or if the value of the `value` argument is '/'.
|
|
"""
|
|
|
|
try:
|
|
if value == "/":
|
|
return True
|
|
int(value)
|
|
return True
|
|
except ValueError:
|
|
return False
|
|
|
|
def get_list_date(self) -> list:
|
|
"""
|
|
Returns a list as `[dd, mm, yyyy]` from a text fied for entering a date.
|
|
"""
|
|
|
|
return [d for d in self.text.split("/") if d]
|
|
|
|
|
|
class DatePickerInputFieldContainer(MDBoxLayout):
|
|
owner = ObjectProperty() # MDDatePicker object
|
|
|
|
|
|
class SelectYearList(FocusBehavior, LayoutSelectionBehavior, RecycleGridLayout):
|
|
"""A class that implements a list for choosing a year."""
|
|
|
|
|
|
class DatePickerDaySelectableItem(
|
|
ThemableBehavior, CircularRippleBehavior, ButtonBehavior, AnchorLayout
|
|
):
|
|
"""A class that implements a list for choosing a day."""
|
|
|
|
text = StringProperty()
|
|
owner = ObjectProperty()
|
|
is_today = BooleanProperty(False)
|
|
is_selected = BooleanProperty(False)
|
|
current_month = NumericProperty()
|
|
current_year = NumericProperty()
|
|
index = NumericProperty(0)
|
|
|
|
def check_date(self, year: int, month: int, day: int):
|
|
try:
|
|
return date(year, month, day) in self.owner._date_range
|
|
except ValueError as error:
|
|
if str(error) == "day is out of range for month":
|
|
return False
|
|
|
|
def on_release(self):
|
|
if (
|
|
self.owner.mode == "range"
|
|
and self.owner._end_range_date
|
|
and self.owner._start_range_date
|
|
):
|
|
return
|
|
if (
|
|
not self.owner._input_date_dialog_open
|
|
and not self.owner._select_year_dialog_open
|
|
):
|
|
if self.owner.mode == "range" and not self.owner._start_range_date:
|
|
self.owner._start_range_date = date(
|
|
self.current_year, self.current_month, int(self.text)
|
|
)
|
|
self.owner.min_date = self.owner._start_range_date
|
|
elif (
|
|
self.owner.mode == "range"
|
|
and not self.owner._end_range_date
|
|
and self.owner._start_range_date
|
|
):
|
|
self.owner._end_range_date = date(
|
|
self.current_year, self.current_month, int(self.text)
|
|
)
|
|
if self.owner._end_range_date <= self.owner.min_date:
|
|
toast(self.owner.date_range_text_error)
|
|
Logger.error(
|
|
"`Data Picker: max_date` value cannot be less than "
|
|
"or equal to 'min_date' value."
|
|
)
|
|
self.owner._start_range_date = 0
|
|
self.owner._end_range_date = 0
|
|
return
|
|
self.owner.max_date = self.owner._end_range_date
|
|
self.owner.update_calendar_for_date_range()
|
|
|
|
self.owner.set_selected_widget(self)
|
|
|
|
|
|
class DatePickerYearSelectableItem(RecycleDataViewBehavior, MDLabel):
|
|
"""Implements an item for a pick list of the year."""
|
|
|
|
index = None
|
|
selected = BooleanProperty(False)
|
|
selectable = BooleanProperty(True)
|
|
selected_color = ColorProperty([0, 0, 0, 0])
|
|
owner = ObjectProperty()
|
|
|
|
def refresh_view_attrs(self, rv, index, data):
|
|
self.index = index
|
|
return super().refresh_view_attrs(rv, index, data)
|
|
|
|
def on_touch_down(self, touch):
|
|
if super().on_touch_down(touch):
|
|
return True
|
|
if self.collide_point(*touch.pos) and self.selectable:
|
|
self.owner.year = int(self.text)
|
|
# self.owner.sel_year = self.owner.year
|
|
self.owner.ids.label_full_date.text = self.owner.set_text_full_date(
|
|
self.owner.sel_year,
|
|
self.owner.sel_month,
|
|
self.owner.sel_day,
|
|
self.owner.theme_cls.device_orientation,
|
|
)
|
|
return self.parent.select_with_touch(self.index, touch)
|
|
|
|
def apply_selection(self, table_data, index, is_selected):
|
|
self.selected = is_selected
|
|
if is_selected:
|
|
self.selected_color = (
|
|
self.owner.selector_color
|
|
if self.owner.selector_color
|
|
else self.theme_cls.primary_color
|
|
)
|
|
self.text_color = (1, 1, 1, 1)
|
|
else:
|
|
if int(self.text) == self.owner.sel_year:
|
|
self.text_color = (
|
|
self.theme_cls.primary_color
|
|
if not self.owner.text_current_color
|
|
else self.owner.text_current_color
|
|
)
|
|
self.selected_color = [0, 0, 0, 0]
|
|
self.text_color = (0, 0, 0, 1)
|
|
|
|
|
|
# TODO: Add the feature to embed the `MDDatePicker` class in other layouts
|
|
# and not use it as a modal dialog.
|
|
# Add a date input mask. Currently, the date is entered in the format
|
|
# 'dd/mm/yy'. In some countries, the date is formatted as 'mm/dd/yy'.
|
|
class MDDatePicker(BaseDialogPicker):
|
|
text_weekday_color = ColorProperty(None)
|
|
"""
|
|
Text color of weekday names in (r, g, b, a) format.
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/md-date-picker-text-weekday-color.png
|
|
:align: center
|
|
|
|
:attr:`text_weekday_color` is an :class:`~kivy.properties.ColorProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
helper_text = StringProperty("Wrong date")
|
|
"""
|
|
Helper text when entering an invalid date.
|
|
|
|
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/md-date-picker-helper-text.png
|
|
:align: center
|
|
|
|
:attr:`helper_text` is an :class:`~kivy.properties.StringProperty`
|
|
and defaults to `'Wrong date'`.
|
|
"""
|
|
|
|
day = NumericProperty()
|
|
"""
|
|
The day of the month to be opened by default. If not specified,
|
|
the current number will be used.
|
|
|
|
See `Open date dialog with the specified date <https://kivymd.readthedocs.io/en/latest/components/datepicker/#open-date-dialog-with-the-specified-date>`_ for more information.
|
|
|
|
:attr:`day` is an :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0`.
|
|
"""
|
|
|
|
month = NumericProperty()
|
|
"""
|
|
The number of month to be opened by default. If not specified,
|
|
the current number will be used.
|
|
|
|
See `Open date dialog with the specified date <https://kivymd.readthedocs.io/en/latest/components/datepicker/#open-date-dialog-with-the-specified-date>`_ for more information.
|
|
|
|
:attr:`month` is an :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0`.
|
|
"""
|
|
|
|
year = NumericProperty()
|
|
"""
|
|
The year of month to be opened by default. If not specified,
|
|
the current number will be used.
|
|
|
|
See `Open date dialog with the specified date <https://kivymd.readthedocs.io/en/latest/components/datepicker/#open-date-dialog-with-the-specified-date>`_ for more information.
|
|
|
|
:attr:`year` is an :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `0`.
|
|
"""
|
|
|
|
min_year = NumericProperty(1914)
|
|
"""
|
|
The year of month to be opened by default. If not specified,
|
|
the current number will be used.
|
|
|
|
:attr:`min_year` is an :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `1914`.
|
|
"""
|
|
|
|
max_year = NumericProperty(2121)
|
|
"""
|
|
The year of month to be opened by default. If not specified,
|
|
the current number will be used.
|
|
|
|
:attr:`max_year` is an :class:`~kivy.properties.NumericProperty`
|
|
and defaults to `2121`.
|
|
"""
|
|
|
|
mode = OptionProperty("picker", options=["picker", "range"])
|
|
"""
|
|
Dialog type:`'picker'` type allows you to select one date;
|
|
`'range'` type allows to set a range of dates from which the
|
|
user can select a date.
|
|
Available options are: [`'picker'`, `'range'`].
|
|
|
|
:attr:`mode` is an :class:`~kivy.properties.OptionProperty`
|
|
and defaults to `picker`.
|
|
"""
|
|
|
|
min_date = ObjectProperty()
|
|
"""
|
|
The minimum value of the date range for the `'mode`' parameter.
|
|
Must be an object <class 'datetime.date'>.
|
|
|
|
See `Open date dialog with the specified date <https://kivymd.readthedocs.io/en/latest/components/datepicker/#interval-date>`_ for more information.
|
|
|
|
:attr:`min_date` is an :class:`~kivy.properties.ObjectProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
max_date = ObjectProperty()
|
|
"""
|
|
The minimum value of the date range for the `'mode`' parameter.
|
|
Must be an object <class 'datetime.date'>.
|
|
|
|
See `Open date dialog with the specified date <https://kivymd.readthedocs.io/en/latest/components/datepicker/#interval-date>`_ for more information.
|
|
|
|
:attr:`max_date` is an :class:`~kivy.properties.ObjectProperty`
|
|
and defaults to `None`.
|
|
"""
|
|
|
|
date_range_text_error = StringProperty("Error date range")
|
|
"""
|
|
Error text that will be shown on the screen in the form of a toast if the
|
|
minimum date range exceeds the maximum.
|
|
|
|
:attr:`date_range_text_error` is an :class:`~kivy.properties.StringProperty`
|
|
and defaults to `'Error date range'`.
|
|
"""
|
|
|
|
input_field_cls = ObjectProperty(DatePickerInputField)
|
|
"""
|
|
A class that will implement date input in the format dd/mm/yyyy.
|
|
See :class:`~DatePickerInputField` class for more information.
|
|
|
|
.. code-block:: python
|
|
|
|
class CustomInputField(MDTextField):
|
|
owner = ObjectProperty() # required attribute
|
|
|
|
# Required method.
|
|
def set_error(self):
|
|
[...]
|
|
|
|
# Required method.
|
|
def get_list_date(self):
|
|
[...]
|
|
|
|
# Required method.
|
|
def input_filter(self):
|
|
[...]
|
|
|
|
def show_date_picker(self):
|
|
date_dialog = MDDatePicker(input_field_cls=CustomInputField)
|
|
|
|
:attr:`input_field_cls` is an :class:`~kivy.properties.ObjectProperty`
|
|
and defaults to :class:`~DatePickerInputField`.
|
|
"""
|
|
|
|
sel_year = NumericProperty()
|
|
sel_month = NumericProperty()
|
|
sel_day = NumericProperty()
|
|
|
|
_calendar_layout = ObjectProperty()
|
|
_calendar_list = None
|
|
_enter_data_field = None
|
|
_enter_data_field_two = None
|
|
_enter_data_field_container = None
|
|
_date_range = []
|
|
_sel_day_widget = ObjectProperty()
|
|
_scale_calendar_layout = NumericProperty(1)
|
|
_scale_year_layout = NumericProperty(0)
|
|
_shift_dialog_height = NumericProperty(0)
|
|
_input_date_dialog_open = BooleanProperty(False)
|
|
_select_year_dialog_open = False
|
|
_start_range_date = 0
|
|
_end_range_date = 0
|
|
|
|
def __init__(
|
|
self,
|
|
year=None,
|
|
month=None,
|
|
day=None,
|
|
firstweekday=0,
|
|
**kwargs,
|
|
):
|
|
self.today = date.today()
|
|
self.calendar = calendar.Calendar(firstweekday)
|
|
self.sel_year = year if year else self.today.year
|
|
self.sel_month = month if month else self.today.month
|
|
self.sel_day = day if day else self.today.day
|
|
self.month = self.sel_month
|
|
self.year = self.sel_year
|
|
self.day = self.sel_day
|
|
self._current_selected_date = (
|
|
self.sel_day,
|
|
self.sel_month,
|
|
self.sel_year,
|
|
)
|
|
super().__init__(**kwargs)
|
|
self.theme_cls.bind(device_orientation=self.on_device_orientation)
|
|
|
|
if self.max_date and self.min_date:
|
|
if self.min_date and not isinstance(self.min_date, date):
|
|
raise DatePickerTypeDateError(
|
|
"'min_date' must be of class <class 'datetime.date'>"
|
|
)
|
|
if self.max_date and not isinstance(self.max_date, date):
|
|
raise DatePickerTypeDateError(
|
|
"'max_date' must be of class <class 'datetime.date'>"
|
|
)
|
|
self.compare_date_range()
|
|
self._date_range = self.get_date_range()
|
|
|
|
self.generate_list_widgets_days()
|
|
self.update_calendar(self.sel_year, self.sel_month)
|
|
|
|
if (
|
|
not self.max_date
|
|
and not self.min_date
|
|
and not self._date_range
|
|
and self.mode != "range"
|
|
):
|
|
# Mark the current day.
|
|
self.set_month_day(self.sel_day)
|
|
self._sel_day_widget.dispatch("on_release")
|
|
|
|
def on_device_orientation(
|
|
self, instance_theme_manager: ThemeManager, orientation_value: str
|
|
) -> None:
|
|
"""Called when the device's screen orientation changes."""
|
|
|
|
if self._input_date_dialog_open:
|
|
if orientation_value == "portrait":
|
|
self._shift_dialog_height = dp(250)
|
|
if orientation_value == "landscape":
|
|
self._shift_dialog_height = dp(138)
|
|
|
|
def on_ok_button_pressed(self) -> None:
|
|
"""
|
|
Called when the 'OK' button is pressed to confirm the date entered.
|
|
"""
|
|
|
|
if self._enter_data_field and not self.is_date_valaid(
|
|
self._enter_data_field.text
|
|
):
|
|
self._enter_data_field.set_error()
|
|
return
|
|
if self._enter_data_field_two and not self.is_date_valaid(
|
|
self._enter_data_field_two.text
|
|
):
|
|
self._enter_data_field_two.set_error()
|
|
return
|
|
|
|
self.dispatch(
|
|
"on_save",
|
|
date(self.sel_year, self.sel_month, self.sel_day),
|
|
self._date_range,
|
|
)
|
|
|
|
def is_date_valaid(self, date: str) -> bool:
|
|
"""Checks the valid of the currently entered date."""
|
|
|
|
try:
|
|
time.strptime(date, "%d/%m/%Y")
|
|
return True
|
|
except ValueError:
|
|
return False
|
|
|
|
def transformation_from_dialog_select_year(self) -> None:
|
|
self.ids.chevron_left.disabled = False
|
|
self.ids.chevron_right.disabled = False
|
|
self.ids._year_layout.disabled = True
|
|
self.ids.triangle.disabled = False
|
|
self._select_year_dialog_open = False
|
|
self.ids.triangle.icon = "menu-down"
|
|
|
|
Animation(opacity=1, d=0.15).start(self.ids.chevron_left)
|
|
Animation(opacity=1, d=0.15).start(self.ids.chevron_right)
|
|
Animation(_scale_year_layout=0, d=0.15).start(self)
|
|
Animation(
|
|
_shift_dialog_height=dp(0), _scale_calendar_layout=1, d=0.15
|
|
).start(self)
|
|
|
|
self._calendar_layout.clear_widgets()
|
|
self.generate_list_widgets_days()
|
|
self.update_calendar(self.year, self.month)
|
|
|
|
if self.mode != "range":
|
|
self.set_month_day(self.day)
|
|
self._sel_day_widget.dispatch("on_release")
|
|
|
|
def transformation_to_dialog_select_year(self) -> None:
|
|
def disabled_chevron_buttons(*args):
|
|
self.ids.chevron_left.disabled = True
|
|
self.ids.chevron_right.disabled = True
|
|
|
|
self._select_year_dialog_open = True
|
|
self.ids._year_layout.disabled = False
|
|
self._scale_calendar_layout = 0
|
|
Animation(opacity=0, d=0.15).start(self.ids.chevron_left)
|
|
Animation(opacity=0, d=0.15).start(self.ids.chevron_right)
|
|
anim = Animation(_scale_year_layout=1, d=0.15)
|
|
anim.bind(on_complete=disabled_chevron_buttons)
|
|
anim.start(self)
|
|
self.ids.triangle.icon = "menu-up"
|
|
self.generate_list_widgets_years()
|
|
self.set_position_to_current_year()
|
|
|
|
def transformation_to_dialog_input_date(self) -> None:
|
|
def set_date_to_input_field():
|
|
if not self._enter_data_field_two:
|
|
# Date of current day.
|
|
self._enter_data_field.text = (
|
|
f"{'' if self.sel_day >= 10 else '0'}"
|
|
f"{self.sel_day}/"
|
|
f"{'' if self.sel_month >= 10 else '0'}"
|
|
f"{self.sel_month}/{self.sel_year}"
|
|
)
|
|
else:
|
|
# Range start date.
|
|
self._enter_data_field.text = (
|
|
f"{'' if self.min_date.day >= 10 else '0'}"
|
|
f"{self.min_date.day}/"
|
|
f"{'' if self.min_date.month >= 10 else '0'}"
|
|
f"{self.min_date.month}/{self.min_date.year}"
|
|
)
|
|
|
|
def set_date_to_input_field_two() -> None:
|
|
# Range end date.
|
|
self._enter_data_field_two.text = (
|
|
f"{'' if self.max_date.day >= 10 else '0'}"
|
|
f"{self.max_date.day}/"
|
|
f"{'' if self.max_date.month >= 10 else '0'}"
|
|
f"{self.max_date.month}/{self.max_date.year}"
|
|
)
|
|
|
|
self.ids.triangle.disabled = True
|
|
if self._select_year_dialog_open:
|
|
self.transformation_from_dialog_select_year()
|
|
self._input_date_dialog_open = True
|
|
|
|
self._enter_data_field_container = DatePickerInputFieldContainer(
|
|
owner=self
|
|
)
|
|
self._enter_data_field = self.get_field()
|
|
if self.min_date and self.max_date:
|
|
self._enter_data_field_two = self.get_field()
|
|
set_date_to_input_field_two()
|
|
set_date_to_input_field()
|
|
self._enter_data_field_container.add_widget(self._enter_data_field)
|
|
if self._enter_data_field_two:
|
|
self._enter_data_field_container.add_widget(
|
|
self._enter_data_field_two
|
|
)
|
|
|
|
self.ids.container.add_widget(self._enter_data_field_container)
|
|
self.ids.edit_icon.icon = "calendar"
|
|
self.ids.label_title.text = self.title_input
|
|
|
|
Animation(
|
|
_shift_dialog_height=dp(250)
|
|
if self.theme_cls.device_orientation == "portrait"
|
|
else dp(138),
|
|
_scale_calendar_layout=0,
|
|
d=0.15,
|
|
).start(self)
|
|
Animation(
|
|
opacity=0,
|
|
d=0.15 if self.theme_cls.device_orientation == "portrait" else 0,
|
|
).start(self.ids.chevron_left)
|
|
Animation(
|
|
opacity=0,
|
|
d=0.15 if self.theme_cls.device_orientation == "portrait" else 0,
|
|
).start(self.ids.chevron_right)
|
|
Animation(opacity=0, d=0.15).start(self.ids.label_month_selector)
|
|
Animation(opacity=0, d=0.15).start(self.ids.triangle)
|
|
Animation(opacity=1, d=0.15).start(self._enter_data_field)
|
|
if self._enter_data_field_two:
|
|
Animation(opacity=1, d=0.15).start(self._enter_data_field_two)
|
|
self.ids.label_full_date.text = self.set_text_full_date(
|
|
self.sel_year,
|
|
self.sel_month,
|
|
self.sel_day,
|
|
self.theme_cls.device_orientation,
|
|
)
|
|
|
|
def transformation_from_dialog_input_date(
|
|
self, interval: Union[int, float]
|
|
) -> None:
|
|
self._input_date_dialog_open = False
|
|
self.ids.label_full_date.text = self.set_text_full_date(
|
|
self.sel_year,
|
|
self.sel_month,
|
|
self.sel_day,
|
|
self.theme_cls.device_orientation,
|
|
)
|
|
self.ids.triangle.disabled = False
|
|
self.ids.container.remove_widget(self._enter_data_field_container)
|
|
Animation(
|
|
_shift_dialog_height=dp(0), _scale_calendar_layout=1, d=0.15
|
|
).start(self)
|
|
Animation(
|
|
opacity=1,
|
|
d=0.15 if self.theme_cls.device_orientation == "portrait" else 0.65,
|
|
).start(self.ids.chevron_left)
|
|
Animation(
|
|
opacity=1,
|
|
d=0.15 if self.theme_cls.device_orientation == "portrait" else 0.65,
|
|
).start(self.ids.chevron_right)
|
|
Animation(opacity=1, d=0.15).start(self.ids.label_month_selector)
|
|
Animation(opacity=1, d=0.15).start(self.ids.triangle)
|
|
Animation(opacity=0, d=0.15).start(self._enter_data_field)
|
|
self.ids.edit_icon.icon = "pencil"
|
|
self.ids.label_title.text = self.title
|
|
|
|
if not self.min_date and not self.max_date:
|
|
list_date = self._enter_data_field.get_list_date()
|
|
if len(list_date) == 3 and len(list_date[2]) == 4:
|
|
# self._sel_day_widget.is_selected = False
|
|
self.update_calendar(int(list_date[2]), int(list_date[1]))
|
|
self.set_month_day(int(list_date[0]))
|
|
# self._sel_day_widget.dispatch("on_release")
|
|
if self.mode != "range":
|
|
self._sel_day_widget.is_selected = False
|
|
self._sel_day_widget.dispatch("on_release")
|
|
elif self.min_date and self.max_date:
|
|
list_min_date = self._enter_data_field.get_list_date()
|
|
list_max_date = self._enter_data_field_two.get_list_date()
|
|
|
|
if len(list_min_date) == 3 and len(list_min_date[2]) == 4:
|
|
self.min_date = date(
|
|
int(list_min_date[2]),
|
|
int(list_min_date[1]),
|
|
int(list_min_date[0]),
|
|
)
|
|
if len(list_max_date) == 3 and len(list_max_date[2]) == 4:
|
|
self.max_date = date(
|
|
int(list_max_date[2]),
|
|
int(list_max_date[1]),
|
|
int(list_max_date[0]),
|
|
)
|
|
|
|
self.update_calendar_for_date_range()
|
|
self.ids.label_full_date.text = self.set_text_full_date(
|
|
int(list_max_date[2]),
|
|
int(list_max_date[1]),
|
|
int(list_max_date[0]),
|
|
self.theme_cls.device_orientation,
|
|
)
|
|
|
|
def compare_date_range(self) -> None:
|
|
# TODO: Add behavior if the minimum date range exceeds the maximum
|
|
# date range. Use toast?
|
|
if self.max_date <= self.min_date:
|
|
raise DatePickerTypeDateError(
|
|
"`max_date` value cannot be less than or equal "
|
|
"to 'min_date' value"
|
|
)
|
|
|
|
def update_calendar_for_date_range(self) -> None:
|
|
# self.compare_date_range()
|
|
self._date_range = self.get_date_range()
|
|
self._calendar_layout.clear_widgets()
|
|
self.generate_list_widgets_days()
|
|
self.update_calendar(self.year, self.month)
|
|
|
|
def update_text_full_date(self, list_date) -> None:
|
|
"""
|
|
Updates the title of the week, month and number day name
|
|
in an open date input dialog.
|
|
"""
|
|
|
|
if len(list_date) == 1 and len(list_date[0]) == 2:
|
|
self.ids.label_full_date.text = self.set_text_full_date(
|
|
self.sel_year,
|
|
self.sel_month,
|
|
list_date[0],
|
|
self.theme_cls.device_orientation,
|
|
)
|
|
if len(list_date) == 2 and len(list_date[1]) == 2:
|
|
self.ids.label_full_date.text = self.set_text_full_date(
|
|
self.sel_year,
|
|
int(list_date[1]),
|
|
int(list_date[0]),
|
|
self.theme_cls.device_orientation,
|
|
)
|
|
if len(list_date) == 3 and len(list_date[2]) == 4:
|
|
self.ids.label_full_date.text = self.set_text_full_date(
|
|
int(list_date[2]),
|
|
int(list_date[1]),
|
|
int(list_date[0]),
|
|
self.theme_cls.device_orientation,
|
|
)
|
|
|
|
def update_calendar(self, year, month) -> None:
|
|
try:
|
|
dates = [x for x in self.calendar.itermonthdates(year, month)]
|
|
except ValueError as e:
|
|
if str(e) == "year is out of range":
|
|
pass
|
|
else:
|
|
self.year = year
|
|
self.month = month
|
|
for idx in range(len(self._calendar_list)):
|
|
self._calendar_list[idx].current_month = int(self.month)
|
|
self._calendar_list[idx].current_year = int(self.year)
|
|
|
|
# Dates of the month not in the range 1-31.
|
|
if idx >= len(dates) or dates[idx].month != month:
|
|
# self._calendar_list[idx].disabled = True
|
|
self._calendar_list[idx].text = ""
|
|
# Dates of the month in the range 1-31.
|
|
else:
|
|
self._calendar_list[idx].disabled = False
|
|
self._calendar_list[idx].text = str(dates[idx].day)
|
|
self._calendar_list[idx].is_today = dates[idx] == self.today
|
|
# The marked date widget has a True value in the `is_selected`
|
|
# attribute. In the KV file it is checked if the date widget
|
|
# (DatePickerDaySelectableItem) has the `is_selected = False`
|
|
# attribute value, then the date widget is not highlighted.
|
|
if (
|
|
0
|
|
if not self._calendar_list[idx].text
|
|
else int(self._calendar_list[idx].text),
|
|
self._calendar_list[idx].current_month,
|
|
self._calendar_list[idx].current_year,
|
|
) == self._current_selected_date:
|
|
self._calendar_list[idx].is_selected = True
|
|
else:
|
|
self._calendar_list[idx].is_selected = False
|
|
# Dates outside the set range - disabled.
|
|
if (
|
|
self.mode == "picker"
|
|
and self._date_range
|
|
and self._calendar_list[idx].text
|
|
) or (
|
|
self.mode == "range"
|
|
and self._start_range_date
|
|
and self._end_range_date
|
|
and self._calendar_list[idx].text
|
|
):
|
|
if (
|
|
date(
|
|
self._calendar_list[idx].current_year,
|
|
self._calendar_list[idx].current_month,
|
|
int(self._calendar_list[idx].text),
|
|
)
|
|
not in self._date_range
|
|
):
|
|
self._calendar_list[idx].disabled = True
|
|
|
|
def get_field(self) -> MDTextField:
|
|
"""Creates and returns a text field object used to enter dates."""
|
|
|
|
if issubclass(self.input_field_cls, MDTextField):
|
|
field = self.input_field_cls(
|
|
owner=self,
|
|
helper_text=self.helper_text,
|
|
line_color_normal=self.theme_cls.divider_color,
|
|
)
|
|
field.color_mode = "custom"
|
|
field.line_color_focus = (
|
|
self.theme_cls.primary_color
|
|
if not self.input_field_text_color
|
|
else self.input_field_text_color
|
|
)
|
|
field.current_hint_text_color = field.line_color_focus
|
|
field._current_hint_text_color = field.line_color_focus
|
|
return field
|
|
else:
|
|
raise TypeError(
|
|
"The `input_field_cls` parameter must be an object of the "
|
|
"`kivymd.uix.textfield.MDTextField class`"
|
|
)
|
|
|
|
def get_date_range(self) -> list:
|
|
date_range = [
|
|
self.min_date + datetime.timedelta(days=x)
|
|
for x in range((self.max_date - self.min_date).days + 1)
|
|
]
|
|
return date_range
|
|
|
|
def set_text_full_date(self, year, month, day, orientation):
|
|
"""
|
|
Returns a string of type "Tue, Feb 2" or "Tue,\nFeb 2" for a date
|
|
choose and a string like "Feb 15 - Mar 23" or "Feb 15,\nMar 23" for
|
|
a date range.
|
|
"""
|
|
|
|
if 12 < int(month) < 0:
|
|
raise ValueError(
|
|
"set_text_full_date:\n\t" f"Month [{month}] out of range."
|
|
)
|
|
if int(day) > calendar.monthrange(int(year), (month))[1]:
|
|
raise ValueError(
|
|
"set_text_full_date:\n\t"
|
|
f"Day [{day}] out of range for the month {month}"
|
|
)
|
|
date = datetime.date(int(year), int(month), int(day))
|
|
separator = (
|
|
"\n"
|
|
if (orientation == "landscape" and not self._input_date_dialog_open)
|
|
else " "
|
|
)
|
|
|
|
if self.mode == "picker":
|
|
if not self.min_date and not self.max_date:
|
|
return (
|
|
date.strftime("%a,").capitalize()
|
|
+ separator
|
|
+ date.strftime("%b ").capitalize()
|
|
+ str(day).lstrip("0")
|
|
)
|
|
else:
|
|
return (
|
|
self.min_date.strftime("%b ").capitalize()
|
|
+ str(self.min_date.day).lstrip("0")
|
|
+ (
|
|
" - "
|
|
if orientation == "portrait"
|
|
else (
|
|
",\n" if not self._input_date_dialog_open else ", "
|
|
)
|
|
)
|
|
+ self.max_date.strftime("%b ").capitalize()
|
|
+ str(self.max_date.day).lstrip("0")
|
|
)
|
|
elif self.mode == "range":
|
|
if self._start_range_date and self._end_range_date:
|
|
if (
|
|
orientation == "landscape"
|
|
and "-" in self.ids.label_full_date.text
|
|
):
|
|
return (
|
|
self.ids.label_full_date.text.split("-")[0].strip()
|
|
+ (",\n" if not self._input_date_dialog_open else " - ")
|
|
+ date.strftime("%b ").capitalize()
|
|
+ str(day).lstrip("0")
|
|
)
|
|
else:
|
|
if (
|
|
orientation == "landscape"
|
|
and "," in self.ids.label_full_date.text
|
|
):
|
|
return (
|
|
self.ids.label_full_date.text.split(",")[0].strip()
|
|
+ (
|
|
",\n"
|
|
if not self._input_date_dialog_open
|
|
else "-"
|
|
)
|
|
+ date.strftime("%b ").capitalize()
|
|
+ str(day).lstrip("0")
|
|
)
|
|
if (
|
|
orientation == "portrait"
|
|
and "," in self.ids.label_full_date.text
|
|
):
|
|
return (
|
|
self.ids.label_full_date.text.split(",")[0].strip()
|
|
+ "-"
|
|
+ date.strftime("%b ").capitalize()
|
|
+ str(day).lstrip("0")
|
|
)
|
|
if (
|
|
orientation == "portrait"
|
|
and "-" in self.ids.label_full_date.text
|
|
):
|
|
return (
|
|
self.ids.label_full_date.text.split("-")[0].strip()
|
|
+ " - "
|
|
+ date.strftime("%b ").capitalize()
|
|
+ str(day).lstrip("0")
|
|
)
|
|
elif self._start_range_date and not self._end_range_date:
|
|
return (
|
|
(
|
|
date.strftime("%b ").capitalize()
|
|
+ str(day).lstrip("0")
|
|
+ " - End"
|
|
)
|
|
if orientation != "landscape"
|
|
else (
|
|
date.strftime("%b ").capitalize()
|
|
+ str(day).lstrip("0")
|
|
+ "{}End".format(
|
|
",\n" if not self._input_date_dialog_open else " - "
|
|
)
|
|
)
|
|
)
|
|
elif not self._start_range_date and not self._end_range_date:
|
|
return (
|
|
"Start - End"
|
|
if orientation != "landscape"
|
|
else "Start{}End".format(
|
|
",\n" if not self._input_date_dialog_open else " - "
|
|
)
|
|
)
|
|
|
|
def set_selected_widget(self, widget) -> None:
|
|
if self._sel_day_widget:
|
|
self._sel_day_widget.is_selected = False
|
|
|
|
widget.is_selected = True
|
|
self.sel_month = int(self.month)
|
|
self.sel_year = int(self.year)
|
|
self.sel_day = int(widget.text)
|
|
self._current_selected_date = (
|
|
self.sel_day,
|
|
self.sel_month,
|
|
self.sel_year,
|
|
)
|
|
self._sel_day_widget = widget
|
|
|
|
def set_month_day(self, day) -> None:
|
|
for idx in range(len(self._calendar_list)):
|
|
if str(day) == str(self._calendar_list[idx].text):
|
|
self._sel_day_widget = self._calendar_list[idx]
|
|
self.sel_day = int(self._calendar_list[idx].text)
|
|
if self._sel_day_widget:
|
|
self._sel_day_widget.is_selected = False
|
|
self._sel_day_widget = self._calendar_list[idx]
|
|
|
|
def set_position_to_current_year(self) -> None:
|
|
# TODO: Add the feature to set the position of the list of years
|
|
# for the current year. This is not currently possible because the
|
|
# ``RecycleView`` class does not support this functionality.
|
|
# There is a solution to this problem
|
|
# - https://github.com/Bakterija/log_fruit/blob/dev/src/app_modules/widgets/app_recycleview/recycleview.py.
|
|
# But I have not been able to get it to work.
|
|
pass
|
|
|
|
def generate_list_widgets_years(self) -> None:
|
|
for i, number_year in enumerate(range(self.min_year, self.max_year)):
|
|
self.ids._year_layout.data.append(
|
|
{
|
|
"owner": self,
|
|
"text": str(number_year),
|
|
"index": i,
|
|
"selectable": True,
|
|
"viewclass": "DatePickerYearSelectableItem",
|
|
}
|
|
)
|
|
|
|
def generate_list_widgets_days(self) -> None:
|
|
calendar_list = []
|
|
|
|
for day in self.calendar.iterweekdays():
|
|
weekday_label = DatePickerWeekdayLabel(
|
|
text=calendar.day_name[day][0].upper(),
|
|
owner=self,
|
|
hint_text=calendar.day_name[day],
|
|
)
|
|
weekday_label.font_name = self.font_name
|
|
self._calendar_layout.add_widget(weekday_label)
|
|
for i, j in enumerate(range(6 * 7)): # 6 weeks, 7 days a week
|
|
day_selectable_item = DatePickerDaySelectableItem(
|
|
index=i,
|
|
owner=self,
|
|
current_month=int(self.month),
|
|
current_year=int(self.year),
|
|
)
|
|
calendar_list.append(day_selectable_item)
|
|
self._calendar_layout.add_widget(day_selectable_item)
|
|
self._calendar_list = calendar_list
|
|
|
|
def change_month(self, operation: str) -> None:
|
|
"""
|
|
Called when "chevron-left" and "chevron-right" buttons are pressed.
|
|
Switches the calendar to the previous/next month.
|
|
"""
|
|
|
|
operation = 1 if operation == "next" else -1
|
|
month = (
|
|
12
|
|
if self.month + operation == 0
|
|
else 1
|
|
if self.month + operation == 13
|
|
else self.month + operation
|
|
)
|
|
year = (
|
|
self.year - 1
|
|
if self.month + operation == 0
|
|
else self.year + 1
|
|
if self.month + operation == 13
|
|
else self.year
|
|
)
|
|
self.update_calendar(year, month)
|
|
if self.sel_day:
|
|
x = calendar.monthrange(year, month)[1]
|
|
if x < self.sel_day:
|
|
self.sel_day = (
|
|
x if year <= self.sel_year and month <= self.sel_year else 1
|
|
)
|