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nk20/note_kfet/inputs.py

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# Copyright (C) 2018-2024 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
from json import dumps as json_dumps
from django.forms.widgets import DateTimeBaseInput, NumberInput, TextInput, Widget
class AmountInput(NumberInput):
"""
This input type lets the user type amounts in euros, but forms receive data in cents
"""
template_name = "note/amount_input.html"
def format_value(self, value):
return None if value is None or value == "" else "{:.02f}".format(int(value) / 100, )
def value_from_datadict(self, data, files, name):
val = super().value_from_datadict(data, files, name)
return str(int(100 * float(val))) if val else val
class Autocomplete(TextInput):
template_name = "autocomplete_model.html"
def __init__(self, model, resetable=False, attrs=None):
super().__init__(attrs)
self.model = model
self.resetable = resetable
self.model_pk = None
class Media:
"""JS/CSS resources needed to render the date-picker calendar."""
js = ('js/autocomplete_model.js', )
def get_context(self, name, value, attrs):
context = super().get_context(name, value, attrs)
context['widget']['resetable'] = self.resetable
return context
def format_value(self, value):
if value:
self.attrs["model_pk"] = int(value)
return str(self.model.objects.get(pk=int(value)))
return ""
class ColorWidget(Widget):
"""
Pulled from django-colorfield.
Select a color.
"""
template_name = 'colorfield/color.html'
class Media:
js = [
'colorfield/jscolor/jscolor.min.js',
'colorfield/colorfield.js',
]
def format_value(self, value):
if value is None:
value = 0xFFFFFF
return "#{:06X}".format(value)
def value_from_datadict(self, data, files, name):
val = super().value_from_datadict(data, files, name)
return int(val[1:], 16)
"""
The remaining of this file comes from the project `django-bootstrap-datepicker-plus` available on Github:
https://github.com/monim67/django-bootstrap-datepicker-plus
This is distributed under Apache License 2.0.
This adds datetime pickers with bootstrap.
"""
"""Contains Base Date-Picker input class for widgets of this package."""
class DatePickerDictionary:
"""Keeps track of all date-picker input classes."""
_i = 0
items = dict()
@classmethod
def generate_id(cls):
"""Return a unique ID for each date-picker input class."""
cls._i += 1
return 'dp_%s' % cls._i
class BasePickerInput(DateTimeBaseInput):
"""Base Date-Picker input class for widgets of this package."""
template_name = 'bootstrap_datepicker_plus/date-picker.html'
picker_type = 'DATE'
format = '%Y-%m-%d'
config = {}
_default_config = {
'id': None,
'picker_type': None,
'linked_to': None,
'options': {} # final merged options
}
options = {} # options extended by user
options_param = {} # options passed as parameter
_default_options = {
'showClose': True,
'showClear': True,
'showTodayButton': True,
"locale": "fr",
}
# source: https://github.com/tutorcruncher/django-bootstrap3-datetimepicker
# file: /blob/31fbb09/bootstrap3_datetime/widgets.py#L33
format_map = (
('DDD', r'%j'),
('DD', r'%d'),
('MMMM', r'%B'),
('MMM', r'%b'),
('MM', r'%m'),
('YYYY', r'%Y'),
('YY', r'%y'),
('HH', r'%H'),
('hh', r'%I'),
('mm', r'%M'),
('ss', r'%S'),
('a', r'%p'),
('ZZ', r'%z'),
)
class Media:
"""JS/CSS resources needed to render the date-picker calendar."""
js = (
'https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.9.0/'
'moment-with-locales.min.js',
'https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/'
'4.17.47/js/bootstrap-datetimepicker.min.js',
'bootstrap_datepicker_plus/js/datepicker-widget.js'
)
css = {'all': (
'https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/'
'4.17.47/css/bootstrap-datetimepicker.css',
'bootstrap_datepicker_plus/css/datepicker-widget.css'
), }
@classmethod
def format_py2js(cls, datetime_format):
"""Convert python datetime format to moment datetime format."""
for js_format, py_format in cls.format_map:
datetime_format = datetime_format.replace(py_format, js_format)
return datetime_format
@classmethod
def format_js2py(cls, datetime_format):
"""Convert moment datetime format to python datetime format."""
for js_format, py_format in cls.format_map:
datetime_format = datetime_format.replace(js_format, py_format)
return datetime_format
def __init__(self, attrs=None, format=None, options=None):
"""Initialize the Date-picker widget."""
self.format_param = format
self.options_param = options if options else {}
self.config = self._default_config.copy()
self.config['id'] = DatePickerDictionary.generate_id()
self.config['picker_type'] = self.picker_type
self.config['options'] = self._calculate_options()
attrs = attrs if attrs else {}
if 'class' not in attrs:
attrs['class'] = 'form-control'
super().__init__(attrs, self._calculate_format())
def _calculate_options(self):
"""Calculate and Return the options."""
_options = self._default_options.copy()
_options.update(self.options)
if self.options_param:
_options.update(self.options_param)
return _options
def _calculate_format(self):
"""Calculate and Return the datetime format."""
_format = self.format_param if self.format_param else self.format
if self.config['options'].get('format'):
_format = self.format_js2py(self.config['options'].get('format'))
else:
self.config['options']['format'] = self.format_py2js(_format)
return _format
def get_context(self, name, value, attrs):
"""Return widget context dictionary."""
context = super().get_context(
name, value, attrs)
context['widget']['attrs']['dp_config'] = json_dumps(self.config)
return context
def start_of(self, event_id):
"""
Set Date-Picker as the start-date of a date-range.
Args:
- event_id (string): User-defined unique id for linking two fields
"""
DatePickerDictionary.items[str(event_id)] = self
return self
def end_of(self, event_id, import_options=True):
"""
Set Date-Picker as the end-date of a date-range.
Args:
- event_id (string): User-defined unique id for linking two fields
- import_options (bool): inherit options from start-date input,
default: TRUE
"""
event_id = str(event_id)
if event_id in DatePickerDictionary.items:
linked_picker = DatePickerDictionary.items[event_id]
self.config['linked_to'] = linked_picker.config['id']
if import_options:
backup_moment_format = self.config['options']['format']
self.config['options'].update(linked_picker.config['options'])
self.config['options'].update(self.options_param)
if self.format_param or 'format' in self.options_param:
self.config['options']['format'] = backup_moment_format
else:
self.format = linked_picker.format
# Setting useCurrent is necessary, see following issue
# https://github.com/Eonasdan/bootstrap-datetimepicker/issues/1075
self.config['options']['useCurrent'] = False
self._link_to(linked_picker)
else:
raise KeyError(
'start-date not specified for event_id "%s"' % event_id)
return self
def _link_to(self, linked_picker):
"""
Executed when two date-inputs are linked together.
This method for sub-classes to override to customize the linking.
"""
pass
class DatePickerInput(BasePickerInput):
"""
Widget to display a Date-Picker Calendar on a DateField property.
Args:
- attrs (dict): HTML attributes of rendered HTML input
- format (string): Python DateTime format eg. "%Y-%m-%d"
- options (dict): Options to customize the widget, see README
"""
picker_type = 'DATE'
format = '%Y-%m-%d'
format_key = 'DATE_INPUT_FORMATS'
class TimePickerInput(BasePickerInput):
"""
Widget to display a Time-Picker Calendar on a TimeField property.
Args:
- attrs (dict): HTML attributes of rendered HTML input
- format (string): Python DateTime format eg. "%Y-%m-%d"
- options (dict): Options to customize the widget, see README
"""
picker_type = 'TIME'
format = '%H:%M'
format_key = 'TIME_INPUT_FORMATS'
template_name = 'bootstrap_datepicker_plus/time_picker.html'
class DateTimePickerInput(BasePickerInput):
"""
Widget to display a DateTime-Picker Calendar on a DateTimeField property.
Args:
- attrs (dict): HTML attributes of rendered HTML input
- format (string): Python DateTime format eg. "%Y-%m-%d"
- options (dict): Options to customize the widget, see README
"""
picker_type = 'DATETIME'
format = '%Y-%m-%d %H:%M'
format_key = 'DATETIME_INPUT_FORMATS'
class MonthPickerInput(BasePickerInput):
"""
Widget to display a Month-Picker Calendar on a DateField property.
Args:
- attrs (dict): HTML attributes of rendered HTML input
- format (string): Python DateTime format eg. "%Y-%m-%d"
- options (dict): Options to customize the widget, see README
"""
picker_type = 'MONTH'
format = '01/%m/%Y'
format_key = 'DATE_INPUT_FORMATS'
class YearPickerInput(BasePickerInput):
"""
Widget to display a Year-Picker Calendar on a DateField property.
Args:
- attrs (dict): HTML attributes of rendered HTML input
- format (string): Python DateTime format eg. "%Y-%m-%d"
- options (dict): Options to customize the widget, see README
"""
picker_type = 'YEAR'
format = '01/01/%Y'
format_key = 'DATE_INPUT_FORMATS'
def _link_to(self, linked_picker):
"""Customize the options when linked with other date-time input"""
yformat = self.config['options']['format'].replace('-01-01', '-12-31')
self.config['options']['format'] = yformat
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