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Sideband_CE/sbapp/kivymd/uix/pickers/timepicker/timepicker.py

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"""
Components/TimePicker
=====================
.. seealso::
`Material Design spec, Time picker <https://material.io/components/time-pickers>`_
.. rubric:: Includes time picker.
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/picker-previous.png
:align: center
.. warning:: The widget is under testing. Therefore, we would be grateful if
you would let us know about the bugs found.
.. rubric:: Usage
.. code-block::
from kivy.lang import Builder
from kivymd.app import MDApp
from kivymd.uix.pickers import MDTimePicker
KV = '''
MDFloatLayout:
MDRaisedButton:
text: "Open time picker"
pos_hint: {'center_x': .5, 'center_y': .5}
on_release: app.show_time_picker()
'''
class Test(MDApp):
def build(self):
return Builder.load_string(KV)
def show_time_picker(self):
'''Open time picker dialog.'''
time_dialog = MDTimePicker()
time_dialog.open()
Test().run()
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/MDTimePicker.png
:align: center
Binding method returning set time
---------------------------------
.. code-block:: python
def show_time_picker(self):
time_dialog = MDTimePicker()
time_dialog.bind(time=self.get_time)
time_dialog.open()
def get_time(self, instance, time):
'''
The method returns the set time.
:type instance: <kivymd.uix.picker.MDTimePicker object>
:type time: <class 'datetime.time'>
'''
return time
Open time dialog with the specified time
----------------------------------------
Use the :attr:`~MDTimePicker.set_time` method of the
:class:`~MDTimePicker.` class.
.. code-block:: python
def show_time_picker(self):
from datetime import datetime
# Must be a datetime object
previous_time = datetime.strptime("03:20:00", '%H:%M:%S').time()
time_dialog = MDTimePicker()
time_dialog.set_time(previous_time)
time_dialog.open()
.. note:: For customization of the :class:`~MDTimePicker` class, see the
documentation in the :class:`~kivymd.uix.pickers.datepicker.datepicker.BaseDialogPicker` class.
.. code-block:: python
time_dialog = MDTimePicker(
primary_color=get_color_from_hex("#72225b"),
accent_color=get_color_from_hex("#5d1a4a"),
text_button_color=(1, 1, 1, 1),
)
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/time-picker-customization.png
:align: center
"""
__all__ = ("MDTimePicker",)
import datetime
import os
import re
import time
from typing import List, Union
from kivy.animation import Animation
from kivy.clock import Clock
from kivy.event import EventDispatcher
from kivy.lang import Builder
from kivy.metrics import dp
from kivy.properties import (
BooleanProperty,
ColorProperty,
ListProperty,
NumericProperty,
ObjectProperty,
OptionProperty,
StringProperty,
VariableListProperty,
)
from kivy.uix.behaviors import ButtonBehavior
from kivy.vector import Vector
from kivymd import uix_path
from kivymd.theming import ThemableBehavior
from kivymd.uix.boxlayout import MDBoxLayout
from kivymd.uix.circularlayout import MDCircularLayout
from kivymd.uix.label import MDLabel
from kivymd.uix.pickers.datepicker import BaseDialogPicker
from kivymd.uix.relativelayout import MDRelativeLayout
from kivymd.uix.textfield import MDTextField
with open(
os.path.join(uix_path, "pickers", "timepicker", "timepicker.kv"),
encoding="utf-8",
) as kv_file:
Builder.load_string(kv_file.read())
class AmPmSelectorLabel(ButtonBehavior, MDLabel):
pass
class AmPmSelector(ThemableBehavior, MDBoxLayout):
border_radius = NumericProperty()
border_color = ColorProperty()
bg_color = ColorProperty()
bg_color_active = ColorProperty()
border_width = NumericProperty()
am = ObjectProperty()
am = ObjectProperty()
owner = ObjectProperty()
text_color = ColorProperty()
selected = StringProperty()
_am_bg_color = ColorProperty()
_pm_bg_color = ColorProperty()
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.bind(selected=self._upadte_color)
Clock.schedule_once(self._upadte_color)
def _upadte_color(self, *args):
bg_color = (
self.owner.accent_color
if self.owner.accent_color
else self.bg_color_active
)
if self.selected == "am":
self._am_bg_color = bg_color
self._pm_bg_color = (
self.owner.primary_color
if self.owner.accent_color
else self.bg_color
)
elif self.selected == "pm":
self._am_bg_color = (
self.owner.primary_color
if self.owner.accent_color
else self.bg_color
)
self._pm_bg_color = bg_color
class TimeInputTextField(MDTextField):
num_type = OptionProperty("hour", options=["hour", "minute"])
hour_regx = "^[0-9]$|^0[1-9]$|^1[0-2]$"
minute_regx = "^[0-9]$|^0[0-9]$|^[1-5][0-9]$"
def __init__(self, **kwargs):
super().__init__(**kwargs)
Clock.schedule_once(self.set_text)
self.register_event_type("on_select")
self.bind(text_color_focus=self.setter("hint_text_color_normal"))
def validate_time(self, text) -> Union[None, re.Match]:
reg = self.hour_regx if self.num_type == "hour" else self.minute_regx
return re.match(reg, text)
def insert_text(self, text, from_undo=False):
strip_text = self.text.strip()
current_string = "".join([strip_text, text])
if not self.validate_time(current_string):
text = ""
return super().insert_text(text, from_undo=from_undo)
def set_text(self, *args) -> None:
"""
Texts should be center aligned. Now we are setting the padding of text
to somehow make them aligned.
"""
if not self.text:
self.text = " "
self._refresh_text(self.text)
max_size = max(self._lines_rects, key=lambda r: r.size[0]).size
dx = (self.width - max_size[0]) / 2.0
dy = (self.height - max_size[1]) / 2.0
self.padding = [dx, dy, dx, dy]
if len(self.text) > 1:
self.text = self.text.replace(" ", "")
def on_focus(self, *args) -> None:
super().on_focus(*args)
if self.text.strip():
if (
not self.focus
and int(self.text) == 0
and self.num_type == "hour"
):
self.text = "12"
else:
self.text = " 12" if self.num_type == "hour" else " 00"
def on_select(self, *args) -> None:
pass
def on_touch_down(self, touch):
if self.collide_point(*touch.pos):
self.dispatch("on_select")
super().on_touch_down(touch)
class TimeInput(MDRelativeLayout):
"""Implements two text fields for displaying and entering a time value."""
bg_color = ColorProperty()
bg_color_active = ColorProperty()
text_color = ColorProperty()
disabled = BooleanProperty(True)
minute_radius = ListProperty([0, 0, 0, 0])
hour_radius = ListProperty([0, 0, 0, 0])
state = StringProperty("hour")
_hour = ObjectProperty()
_minute = ObjectProperty()
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.register_event_type("on_time_input")
self.register_event_type("on_hour_select")
self.register_event_type("on_minute_select")
def set_time(self, time_list) -> None:
hour, minute = time_list
self._hour.text = hour
self._minute.text = minute
def get_time(self) -> List[str]:
hour = self._hour.text.strip()
minute = self._minute.text.strip()
return [hour, minute]
def on_time_input(self, *args) -> None:
pass
def on_minute_select(self, *args) -> None:
pass
def on_hour_select(self, *args) -> None:
pass
def _update_padding(self, *args):
self._hour.set_text()
self._minute.set_text()
class SelectorLabel(MDLabel):
pass
class CircularSelector(MDCircularLayout, EventDispatcher):
"""Implements clock face display."""
mode = OptionProperty("hour", options=["hour", "minute"]) # and military
text_color = ColorProperty()
selected_hour = StringProperty("12")
selected_minute = StringProperty("0")
selector_size = NumericProperty("48dp")
selector_pos = ListProperty([0, 0])
selector_color = ColorProperty()
bg_color = ColorProperty()
font_name = StringProperty()
scale = NumericProperty(1)
content_scale = NumericProperty(1)
t = StringProperty("out_quad")
d = NumericProperty(0.2)
scale_origin = ListProperty([100, 100])
_centers_pos = ListProperty()
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.bind(
mode=self._update_labels,
selected_hour=self.update_time,
selected_minute=self.update_time,
)
Clock.schedule_once(lambda x: self._update_labels(animate=False))
self.register_event_type("on_selector_change")
def do_layout(self, *largs, **kwargs):
self.update_time()
return super().do_layout(*largs, **kwargs)
def set_selector(self, selected) -> bool:
"""Sets the selector's position towards the given text."""
widget = None
for wid in self.children:
wid.text_color = self.text_color
if wid.text == selected:
widget = wid
if not widget:
return False
self.selector_pos = widget.center
widget.text_color = [1, 1, 1, 1]
self.dispatch("on_selector_change")
return True
def set_time(self, selected) -> None:
if self.mode == "hour":
self.selected_hour = selected
elif self.mode == "minute":
self.selected_minute = selected
def update_time(self, *args) -> None:
if self.mode == "hour":
self.set_selector(self.selected_hour)
elif self.mode == "minute":
self.set_selector(self.selected_minute)
def get_selected(self) -> str:
return self.selected
def switch_mode(self, mode) -> None:
if mode != self.mode:
self.mode = mode
def on_touch_down(self, touch):
if self.collide_point(*touch.pos):
touch.grab(self)
closest_wid = self._get_closest_widget(touch.pos)
self.set_time(closest_wid.text)
return True
def on_touch_move(self, touch):
if touch.grab_current == self:
closest_wid = self._get_closest_widget(touch.pos)
self.set_time(closest_wid.text)
def on_touch_up(self, touch):
if touch.grab_current is self:
touch.ungrab(self)
return True
def on_selector_change(self, *args):
pass
def _update_labels(self, animate=True, *args):
"""
This method builds the selector based on current mode which currently
can be hour or minute.
"""
if self.mode == "hour":
param = (1, 12)
self.degree_spacing = 30
self.start_from = 60
elif self.mode == "minute":
param = (0, 59, 5)
self.degree_spacing = 6
self.start_from = 90
elif self.mode == "military":
param = (1, 24)
self.degree_spacing = 30
self.start_from = 90
if animate:
anim = Animation(content_scale=0, t=self.t, d=self.d)
anim.bind(on_complete=lambda *args: self._add_items(*param))
anim.start(self)
else:
self._add_items(*param)
def _add_items(self, start, end, step=1):
"""
Adds all number in range `[start, end + 1]` to the circular layout with
the specified step. Step means that all widgets will be added to layout
but sets the opacity for skipped widgets to `0` because we are using
the label's text as a reference to the selected number so we have to
add these to layout.
"""
self.clear_widgets()
i = 0
for x in range(start, end + 1):
label = SelectorLabel(
text=f"{x}",
)
if i % step != 0:
label.opacity = 0
self.bind(
text_color=label.setter("text_color"),
font_name=label.setter("font_name"),
)
self.add_widget(label)
i += 1
Clock.schedule_once(self.update_time)
Clock.schedule_once(self._get_centers, 0.1)
anim = Animation(content_scale=1, t=self.t, d=self.d)
anim.start(self)
def _get_centers(self, *args):
"""
Returns a list of all center. we use this for positioning the selector
indicator.
"""
self._centers_pos = []
for child in self.children:
self._centers_pos.append(child.center)
def _get_closest_widget(self, pos):
"""
Returns the nearest widget to the given position. we use this to create
the magnetic effect.
"""
distance = [Vector(pos).distance(point) for point in self._centers_pos]
if not distance:
return False
index = distance.index(min(distance))
return self.children[index]
class MDTimePicker(BaseDialogPicker):
hour = StringProperty("12")
"""
Current hour.
:attr:`hour` is an :class:`~kivy.properties.StringProperty`
and defaults to `'12'`.
"""
minute = StringProperty("0")
"""
Current minute.
:attr:`minute` is an :class:`~kivy.properties.StringProperty`
and defaults to `0`.
"""
minute_radius = VariableListProperty(dp(5), length=4)
"""
Radius of the minute input field.
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/time-picker-minute-radius.png
:align: center
:attr:`minute_radius` is an :class:`~kivy.properties.ListProperty`
and defaults to `[dp(5), dp(5), dp(5), dp(5)]`.
"""
hour_radius = VariableListProperty(dp(5), length=4)
"""
Radius of the hour input field.
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/time-picker-hour-radius.png
:align: center
:attr:`hour_radius` is an :class:`~kivy.properties.ListProperty`
and defaults to `[dp(5), dp(5), dp(5), dp(5)]`.
"""
am_pm_radius = NumericProperty("5dp")
"""
Radius of the AM/PM selector.
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/time-picker-am-pm-radius.png
:align: center
:attr:`am_pm_radius` is an :class:`~kivy.properties.NumericProperty`
and defaults to `dp(5)`.
"""
am_pm_border_width = NumericProperty("1dp")
"""
Width of the AM/PM selector's borders.
.. image:: https://github.com/HeaTTheatR/KivyMD-data/raw/master/gallery/kivymddoc/time-picker-am-pm-border-width.png
:align: center
:attr:`am_pm_border_width` is an :class:`~kivy.properties.NumericProperty`
and defaults to `dp(1)`.
"""
am_pm = OptionProperty("am", options=["am", "pm"])
"""
Current AM/PM mode.
:attr:`am_pm` is an :class:`~kivy.properties.OptionProperty`
and defaults to `'am'`.
"""
animation_duration = NumericProperty(0.3)
"""
Duration of the animations.
:attr:`animation_duration` is an :class:`~kivy.properties.NumericProperty`
and defaults to `0.2`.
"""
animation_transition = StringProperty("out_quad")
"""
Transition type of the animations.
:attr:`animation_transition` is an :class:`~kivy.properties.StringProperty`
and defaults to `'out_quad'`.
"""
time = ObjectProperty(allownone=True)
"""
Returns the current time object.
:attr:`time` is an :class:`~kivy.properties.ObjectProperty`
and defaults to `None`.
"""
_state = StringProperty()
_selector = ObjectProperty()
_time_input = ObjectProperty()
_am_pm_selector = ObjectProperty()
_hour_label = ObjectProperty()
_minute_label = ObjectProperty()
_anim_playing = BooleanProperty(False)
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.bind(
hour=self._set_current_time,
minute=self._set_current_time,
am_pm=self._set_current_time,
)
self.theme_cls.bind(device_orientation=self._check_orienation)
if self.title == "SELECT DATE":
self.title = "SELECT TIME"
self.set_time(datetime.time(hour=12, minute=0)) # default time
self._check_orienation()
def set_time(self, time_obj) -> None:
"""Manually set time dialog with the specified time."""
hour = time_obj.hour
minute = time_obj.minute
if hour > 12:
hour -= 12
mode = "pm"
else:
mode = "am"
hour = str(hour)
minute = str(minute)
self._set_time_input(hour, minute)
self._set_dial_time(hour, minute)
self._set_am_pm(mode)
def get_state(self) -> str:
"""
Returns the current state of TimePicker.
Can be one of `portrait`, `landscape` or `input`.
"""
return self._state
def _get_dial_time(self, instance):
mode = instance.mode
if mode == "hour":
self.hour = instance.selected_hour
elif mode == "minute":
self.minute = instance.selected_minute
else:
raise Exception("invalid mode for MDTimePicker: " % mode)
self._set_time_input(self.hour, self.minute)
def _set_dial_time(self, hour, minute):
self._selector.selected_minute = minute
self._selector.selected_hour = hour
def _get_time_input(self, hour, minute):
if hour:
self.hour = f"{int(hour):01d}"
if minute:
self.minute = f"{int(minute):01d}"
self._set_dial_time(self.hour, self.minute)
def _set_time_input(self, hour, minute):
hour = f"{int(hour):02d}"
minute = f"{int(minute):02d}"
if self._state != "input":
self._time_input.set_time([hour, minute])
def _get_am_pm(self, selected):
self.am_pm = selected
def _set_am_pm(self, selected: str) -> None:
"""Used by set_time() to manually set the mode to "am" or "pm"."""
self.am_pm = selected
self._am_pm_selector.mode = self.am_pm
self._am_pm_selector.selected = self.am_pm
def _get_data(self):
try:
if time.strftime("%p"):
result = datetime.datetime.strptime(
f"{int(self.hour):02d}:{int(self.minute):02d} {self.am_pm}",
"%I:%M %p",
).time()
else:
result = datetime.datetime.strptime(
f"{int(self.hour):02d}:{int(self.minute):02d}",
"%I:%M",
).time()
return result
except ValueError:
return None # hour is zero
def _check_orienation(self, *args, do_anim=False):
orientation = self.theme_cls.device_orientation
if self._state != "input" and orientation != self._state:
self._update_pos_size(orientation, anim=do_anim)
def _update_pos_size(self, orientation, anim=False):
d = self.animation_duration
# time input
time_input_pos = (
[dp(24), dp(368)]
if orientation == "portrait"
else (
[dp(24), dp(178)]
if orientation == "landscape"
else [dp(24), dp(96)]
)
)
if anim:
_time_input = Animation(
pos=time_input_pos,
d=d,
t=self.animation_transition, # 80 - 8,
)
_time_input.start(self._time_input)
else:
self._time_input.pos = time_input_pos
self._time_input.disabled = False if orientation == "input" else True
self._time_input.size = (
[dp(216), dp(62)] if orientation == "input" else [dp(216), dp(72)]
)
Clock.schedule_once(self._time_input._update_padding)
# Circular selector.
if orientation == "input":
if self.theme_cls.device_orientation == "portrait":
selector_pos = [dp(34), dp(-256)]
self._selector.scale_origin = [dp(162), dp(200)]
else:
selector_pos = [dp(324), dp(-19)]
self._selector.scale_origin = [dp(292), dp(109)]
elif orientation == "portrait":
self._selector.pos = selector_pos = [dp(36), dp(76)]
else:
self._selector.pos = selector_pos = [dp(304), dp(76)]
Animation(
pos=selector_pos,
scale=0 if orientation == "input" else 1,
opacity=0 if orientation == "input" else 1,
d=d,
t=self.animation_transition,
).start(self._selector)
# AM/PM selector.
am_pm_pos = (
[dp(252), dp(368)]
if orientation == "portrait"
else (
[dp(24), dp(126)]
if orientation == "landscape"
else [dp(252), dp(96)]
)
)
am_pm_size = (
[dp(52), dp(80)]
if orientation == "portrait"
else (
[dp(216), dp(40)]
if orientation == "landscape"
else [dp(48), dp(70)]
)
)
if anim:
Animation(
pos=am_pm_pos,
size=am_pm_size,
d=d,
t=self.animation_transition,
).start(self._am_pm_selector)
else:
self._am_pm_selector.pos = am_pm_pos
self._am_pm_selector.size = am_pm_size
self._am_pm_selector.orientation = (
"horizontal" if orientation == "landscape" else "vertical"
)
# MDTimePicker.
time_picker_size = (
[dp(328), dp(500)]
if orientation == "portrait"
else (
[dp(584), dp(368)]
if orientation == "landscape"
else [dp(324), dp(218)]
)
)
if anim:
Animation(
size=time_picker_size,
d=d,
t=self.animation_transition,
).start(self)
else:
self.size = time_picker_size
# Minute label.
Animation(
pos=[dp(144), dp(76)],
opacity=1 if orientation == "input" else 0,
d=d,
t=self.animation_transition,
).start(self._minute_label)
# Hour label.
Animation(
pos=[dp(24), dp(76)],
opacity=1 if orientation == "input" else 0,
d=d,
t=self.animation_transition,
).start(self._hour_label)
self._state = orientation
self.ids.input_clock_switch.icon = (
"clock-time-four-outline" if orientation == "input" else "keyboard"
)
def _set_current_time(self, *args):
self.time = self._get_data()
def _switch_input(self):
self._update_pos_size(
self.theme_cls.device_orientation
if self._state == "input"
else "input",
anim=True,
)
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