326 lines
13 KiB
Python
326 lines
13 KiB
Python
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# -*- coding: utf-8 -*-
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from kivy.lang import Builder
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from kivy.uix.modalview import ModalView
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from kivymd.label import MDLabel
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from kivymd.theming import ThemableBehavior
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from kivy.uix.floatlayout import FloatLayout
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from kivymd.elevationbehavior import ElevationBehavior
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import calendar
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from datetime import date
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import datetime
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from kivy.properties import StringProperty, NumericProperty, ObjectProperty, \
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BooleanProperty
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from kivy.uix.anchorlayout import AnchorLayout
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from kivy.uix.behaviors import ButtonBehavior
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from kivymd.ripplebehavior import CircularRippleBehavior
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from kivy.clock import Clock
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from kivy.core.window import Window
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Builder.load_string("""
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#:import calendar calendar
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<MDDatePicker>
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cal_layout: cal_layout
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size_hint: (None, None)
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size: [dp(328), dp(484)] if self.theme_cls.device_orientation == 'portrait'\
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else [dp(512), dp(304)]
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pos_hint: {'center_x': .5, 'center_y': .5}
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canvas:
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Color:
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rgb: app.theme_cls.primary_color
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Rectangle:
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size: [dp(328), dp(96)] if self.theme_cls.device_orientation == 'portrait'\
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else [dp(168), dp(304)]
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pos: [root.pos[0], root.pos[1] + root.height-dp(96)] if self.theme_cls.device_orientation == 'portrait'\
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else [root.pos[0], root.pos[1] + root.height-dp(304)]
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Color:
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rgb: app.theme_cls.bg_normal
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Rectangle:
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size: [dp(328), dp(484)-dp(96)] if self.theme_cls.device_orientation == 'portrait'\
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else [dp(344), dp(304)]
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pos: [root.pos[0], root.pos[1] + root.height-dp(96)-(dp(484)-dp(96))]\
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if self.theme_cls.device_orientation == 'portrait' else [root.pos[0]+dp(168), root.pos[1]] #+dp(334)
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MDLabel:
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id: label_full_date
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font_style: 'Display1'
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text_color: 1, 1, 1, 1
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theme_text_color: 'Custom'
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size_hint: (None, None)
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size: [root.width, dp(30)] if root.theme_cls.device_orientation == 'portrait'\
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else [dp(168), dp(30)]
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pos: [root.pos[0]+dp(23), root.pos[1] + root.height - dp(74)] \
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if root.theme_cls.device_orientation == 'portrait' \
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else [root.pos[0]+dp(3), root.pos[1] + dp(214)]
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line_height: 0.84
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valign: 'middle'
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text_size: [root.width, None] if root.theme_cls.device_orientation == 'portrait'\
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else [dp(149), None]
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bold: True
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text: root.fmt_lbl_date(root.sel_year, root.sel_month, root.sel_day, root.theme_cls.device_orientation)
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MDLabel:
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id: label_year
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font_style: 'Subhead'
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text_color: 1, 1, 1, 1
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theme_text_color: 'Custom'
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size_hint: (None, None)
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size: root.width, dp(30)
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pos: (root.pos[0]+dp(23), root.pos[1]+root.height-dp(40)) if root.theme_cls.device_orientation == 'portrait'\
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else (root.pos[0]+dp(16), root.pos[1]+root.height-dp(41))
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valign: 'middle'
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text: str(root.sel_year)
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GridLayout:
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id: cal_layout
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cols: 7
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size: (dp(44*7), dp(40*7)) if root.theme_cls.device_orientation == 'portrait'\
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else (dp(46*7), dp(32*7))
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col_default_width: dp(42) if root.theme_cls.device_orientation == 'portrait'\
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else dp(39)
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size_hint: (None, None)
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padding: (dp(2), 0) if root.theme_cls.device_orientation == 'portrait'\
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else (dp(7), 0)
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spacing: (dp(2), 0) if root.theme_cls.device_orientation == 'portrait'\
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else (dp(7), 0)
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pos: (root.pos[0]+dp(10), root.pos[1]+dp(60)) if root.theme_cls.device_orientation == 'portrait'\
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else (root.pos[0]+dp(168)+dp(8), root.pos[1]+dp(48))
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MDLabel:
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id: label_month_selector
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font_style: 'Body2'
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text: calendar.month_name[root.month].capitalize() + ' ' + str(root.year)
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size_hint: (None, None)
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size: root.width, dp(30)
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pos: root.pos
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theme_text_color: 'Primary'
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pos_hint: {'center_x': 0.5, 'center_y': 0.75} if self.theme_cls.device_orientation == 'portrait'\
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else {'center_x': 0.67, 'center_y': 0.915}
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valign: "middle"
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halign: "center"
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MDIconButton:
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icon: 'chevron-left'
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theme_text_color: 'Secondary'
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pos_hint: {'center_x': 0.09, 'center_y': 0.745} if root.theme_cls.device_orientation == 'portrait'\
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else {'center_x': 0.39, 'center_y': 0.925}
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on_release: root.change_month('prev')
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MDIconButton:
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icon: 'chevron-right'
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theme_text_color: 'Secondary'
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pos_hint: {'center_x': 0.92, 'center_y': 0.745} if root.theme_cls.device_orientation == 'portrait'\
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else {'center_x': 0.94, 'center_y': 0.925}
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on_release: root.change_month('next')
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MDFlatButton:
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pos: root.pos[0]+root.size[0]-dp(72)*2, root.pos[1] + dp(7)
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text: "Cancel"
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on_release: root.dismiss()
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MDFlatButton:
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pos: root.pos[0]+root.size[0]-dp(72), root.pos[1] + dp(7)
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text: "OK"
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on_release: root.ok_click()
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<DayButton>
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size_hint: None, None
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size: (dp(40), dp(40)) if root.theme_cls.device_orientation == 'portrait'\
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else (dp(32), dp(32))
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MDLabel:
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font_style: 'Caption'
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theme_text_color: 'Custom' if root.is_today and not root.is_selected else 'Primary'
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text_color: root.theme_cls.primary_color
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opposite_colors: root.is_selected if root.owner.sel_month == root.owner.month \
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and root.owner.sel_year == root.owner.year and str(self.text) == str(root.owner.sel_day) else False
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size_hint_x: None
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valign: 'middle'
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halign: 'center'
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text: root.text
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<WeekdayLabel>
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font_style: 'Caption'
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theme_text_color: 'Secondary'
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size: (dp(40), dp(40)) if root.theme_cls.device_orientation == 'portrait'\
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else (dp(32), dp(32))
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size_hint: None, None
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text_size: self.size
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valign: 'middle' if root.theme_cls.device_orientation == 'portrait' else 'bottom'
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halign: 'center'
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<DaySelector>
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size: (dp(40), dp(40)) if root.theme_cls.device_orientation == 'portrait'\
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else (dp(32), dp(32))
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size_hint: (None, None)
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canvas:
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Color:
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rgba: self.theme_cls.primary_color if self.shown else [0, 0, 0, 0]
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Ellipse:
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size: (dp(40), dp(40)) if root.theme_cls.device_orientation == 'portrait'\
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else (dp(32), dp(32))
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pos: self.pos if root.theme_cls.device_orientation == 'portrait'\
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else [self.pos[0] + dp(3), self.pos[1]]
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""")
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class DaySelector(ThemableBehavior, AnchorLayout):
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shown = BooleanProperty(False)
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def __init__(self, parent):
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super(DaySelector, self).__init__()
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self.parent_class = parent
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self.parent_class.add_widget(self, index=7)
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self.selected_widget = None
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Window.bind(on_resize=self.move_resize)
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def update(self):
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parent = self.parent_class
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if parent.sel_month == parent.month and parent.sel_year == parent.year:
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self.shown = True
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else:
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self.shown = False
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def set_widget(self, widget):
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self.selected_widget = widget
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self.pos = widget.pos
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self.move_resize(do_again=True)
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self.update()
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def move_resize(self, window=None, width=None, height=None, do_again=True):
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self.pos = self.selected_widget.pos
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if do_again:
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Clock.schedule_once(lambda x: self.move_resize(do_again=False), 0.01)
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class DayButton(ThemableBehavior, CircularRippleBehavior, ButtonBehavior,
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AnchorLayout):
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text = StringProperty()
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owner = ObjectProperty()
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is_today = BooleanProperty(False)
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is_selected = BooleanProperty(False)
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def on_release(self):
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self.owner.set_selected_widget(self)
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class WeekdayLabel(MDLabel):
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pass
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class MDDatePicker(FloatLayout, ThemableBehavior, ElevationBehavior,
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ModalView):
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_sel_day_widget = ObjectProperty()
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cal_list = None
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cal_layout = ObjectProperty()
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sel_year = NumericProperty()
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sel_month = NumericProperty()
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sel_day = NumericProperty()
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day = NumericProperty()
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month = NumericProperty()
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year = NumericProperty()
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today = date.today()
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callback = ObjectProperty()
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class SetDateError(Exception):
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pass
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def __init__(self, callback, year=None, month=None, day=None,
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firstweekday=0,
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**kwargs):
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self.callback = callback
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self.cal = calendar.Calendar(firstweekday)
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self.sel_year = year if year else self.today.year
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self.sel_month = month if month else self.today.month
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self.sel_day = day if day else self.today.day
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self.month = self.sel_month
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self.year = self.sel_year
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self.day = self.sel_day
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super(MDDatePicker, self).__init__(**kwargs)
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self.selector = DaySelector(parent=self)
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self.generate_cal_widgets()
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self.update_cal_matrix(self.sel_year, self.sel_month)
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self.set_month_day(self.sel_day)
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self.selector.update()
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def ok_click(self):
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self.callback(date(self.sel_year, self.sel_month, self.sel_day))
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self.dismiss()
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def fmt_lbl_date(self, year, month, day, orientation):
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d = datetime.date(int(year), int(month), int(day))
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separator = '\n' if orientation == 'landscape' else ' '
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return d.strftime('%a,').capitalize() + separator + d.strftime(
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'%b').capitalize() + ' ' + str(day).lstrip('0')
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def set_date(self, year, month, day):
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try:
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date(year, month, day)
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except Exception as e:
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print(e)
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if str(e) == "day is out of range for month":
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raise self.SetDateError(" Day %s day is out of range for month %s" % (day, month))
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elif str(e) == "month must be in 1..12":
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raise self.SetDateError("Month must be between 1 and 12, got %s" % month)
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elif str(e) == "year is out of range":
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raise self.SetDateError("Year must be between %s and %s, got %s" %
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(datetime.MINYEAR, datetime.MAXYEAR, year))
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else:
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self.sel_year = year
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self.sel_month = month
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self.sel_day = day
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self.month = self.sel_month
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self.year = self.sel_year
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self.day = self.sel_day
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self.update_cal_matrix(self.sel_year, self.sel_month)
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self.set_month_day(self.sel_day)
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self.selector.update()
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def set_selected_widget(self, widget):
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if self._sel_day_widget:
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self._sel_day_widget.is_selected = False
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widget.is_selected = True
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self.sel_month = int(self.month)
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self.sel_year = int(self.year)
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self.sel_day = int(widget.text)
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self._sel_day_widget = widget
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self.selector.set_widget(widget)
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def set_month_day(self, day):
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for idx in range(len(self.cal_list)):
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if str(day) == str(self.cal_list[idx].text):
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self._sel_day_widget = self.cal_list[idx]
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self.sel_day = int(self.cal_list[idx].text)
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if self._sel_day_widget:
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self._sel_day_widget.is_selected = False
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self._sel_day_widget = self.cal_list[idx]
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self.cal_list[idx].is_selected = True
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self.selector.set_widget(self.cal_list[idx])
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def update_cal_matrix(self, year, month):
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try:
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dates = [x for x in self.cal.itermonthdates(year, month)]
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except ValueError as e:
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if str(e) == "year is out of range":
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pass
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else:
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self.year = year
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self.month = month
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for idx in range(len(self.cal_list)):
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if idx >= len(dates) or dates[idx].month != month:
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self.cal_list[idx].disabled = True
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self.cal_list[idx].text = ''
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else:
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self.cal_list[idx].disabled = False
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self.cal_list[idx].text = str(dates[idx].day)
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self.cal_list[idx].is_today = dates[idx] == self.today
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self.selector.update()
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def generate_cal_widgets(self):
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cal_list = []
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for i in calendar.day_abbr:
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self.cal_layout.add_widget(WeekdayLabel(text=i[0].upper()))
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for i in range(6 * 7): # 6 weeks, 7 days a week
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db = DayButton(owner=self)
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cal_list.append(db)
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self.cal_layout.add_widget(db)
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self.cal_list = cal_list
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def change_month(self, operation):
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op = 1 if operation is 'next' else -1
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sl, sy = self.month, self.year
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m = 12 if sl + op == 0 else 1 if sl + op == 13 else sl + op
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y = sy - 1 if sl + op == 0 else sy + 1 if sl + op == 13 else sy
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self.update_cal_matrix(y, m)
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