class CustomCompatibleDatePickerInput(get_base_input(True)):
template_name = 'demo_app/custom_input/date-picker.html'
class BasePickerInput(get_base_input()):
"""Base Date-Picker input class for widgets of this package."""
template_name = 'bootstrap_datepicker_plus/date-picker.html'
picker_type = 'DATE'
format = '%m/%d/%Y'
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,
}
# 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
def setUp(self):
self.CompatibleDatePickerInput = get_base_input(True)
self.dp_input = self.CompatibleDatePickerInput()