cdf

class SplitDateTimeWidget

from django.forms import SplitDateTimeWidget
Documentation Source code 
    A widget that splits datetime input into two <input type="text"> boxes.

Ancestors (MRO)

  1. SplitDateTimeWidget
  2. MultiWidget
  3. Widget

Attributes

  Defined in
is_localized = False Widget
is_required = False Widget
needs_multipart_form = False Widget
supports_microseconds = False SplitDateTimeWidget
supports_microseconds = True Widget
template_name = 'django/forms/widgets/splitdatetime.html' SplitDateTimeWidget
template_name = 'django/forms/widgets/multiwidget.html' MultiWidget
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Properties

def is_hidden(): MultiWidget

Getter

    @property
    def is_hidden(self):
        return all(w.is_hidden for w in self.widgets)

def is_hidden(): Widget

Getter

    @property
    def is_hidden(self):
        return self.input_type == 'hidden' if hasattr(self, 'input_type') else False

def media(): SplitDateTimeWidget

Getter

    def _media(self):
        # Get the media property of the superclass, if it exists
        sup_cls = super(cls, self)
        try:
            base = sup_cls.media
        except AttributeError:
            base = Media()

        # Get the media definition for this class
        definition = getattr(cls, 'Media', None)
        if definition:
            extend = getattr(definition, 'extend', True)
            if extend:
                if extend is True:
                    m = base
                else:
                    m = Media()
                    for medium in extend:
                        m = m + base[medium]
                return m + Media(definition)
            return Media(definition)
        return base

def media(): MultiWidget

Getter

    def _get_media(self):
        """
        Media for a multiwidget is the combination of all media of the
        subwidgets.
        """
        media = Media()
        for w in self.widgets:
            media = media + w.media
        return media

def media(): Widget

Getter

    def _media(self):
        # Get the media property of the superclass, if it exists
        sup_cls = super(cls, self)
        try:
            base = sup_cls.media
        except AttributeError:
            base = Media()

        # Get the media definition for this class
        definition = getattr(cls, 'Media', None)
        if definition:
            extend = getattr(definition, 'extend', True)
            if extend:
                if extend is True:
                    m = base
                else:
                    m = Media()
                    for medium in extend:
                        m = m + base[medium]
                return m + Media(definition)
            return Media(definition)
        return base

def needs_multipart_form(): MultiWidget

Getter

    @property
    def needs_multipart_form(self):
        return any(w.needs_multipart_form for w in self.widgets)
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Methods

def _render(self, template_name, context, renderer=None): Widget 

    def _render(self, template_name, context, renderer=None):
        if renderer is None:
            renderer = get_default_renderer()
        return mark_safe(renderer.render(template_name, context))

def build_attrs(self, base_attrs, extra_attrs=None): Widget 

Build an attribute dictionary.
    def build_attrs(self, base_attrs, extra_attrs=None):
        """Build an attribute dictionary."""
        return {**base_attrs, **(extra_attrs or {})}

def decompress(self, value):

SplitDateTimeWidget

    def decompress(self, value):
        if value:
            value = to_current_timezone(value)
            return [value.date(), value.time()]
        return [None, None]

MultiWidget

        Return a list of decompressed values for the given compressed value.
        The given value can be assumed to be valid, but not necessarily
        non-empty.
        
    def decompress(self, value):
        """
        Return a list of decompressed values for the given compressed value.
        The given value can be assumed to be valid, but not necessarily
        non-empty.
        """
        raise NotImplementedError('Subclasses must implement this method.')

def format_value(self, value): Widget 

        Return a value as it should appear when rendered in a template.
        
    def format_value(self, value):
        """
        Return a value as it should appear when rendered in a template.
        """
        if value == '' or value is None:
            return None
        if self.is_localized:
            return formats.localize_input(value)
        return str(value)

def get_context(self, name, value, attrs):

MultiWidget

    def get_context(self, name, value, attrs):
        context = super().get_context(name, value, attrs)
        if self.is_localized:
            for widget in self.widgets:
                widget.is_localized = self.is_localized
        # value is a list of values, each corresponding to a widget
        # in self.widgets.
        if not isinstance(value, list):
            value = self.decompress(value)

        final_attrs = context['widget']['attrs']
        input_type = final_attrs.pop('type', None)
        id_ = final_attrs.get('id')
        subwidgets = []
        for i, widget in enumerate(self.widgets):
            if input_type is not None:
                widget.input_type = input_type
            widget_name = '%s_%s' % (name, i)
            try:
                widget_value = value[i]
            except IndexError:
                widget_value = None
            if id_:
                widget_attrs = final_attrs.copy()
                widget_attrs['id'] = '%s_%s' % (id_, i)
            else:
                widget_attrs = final_attrs
            subwidgets.append(widget.get_context(widget_name, widget_value, widget_attrs)['widget'])
        context['widget']['subwidgets'] = subwidgets
        return context

Widget

    def get_context(self, name, value, attrs):
        context = {}
        context['widget'] = {
            'name': name,
            'is_hidden': self.is_hidden,
            'required': self.is_required,
            'value': self.format_value(value),
            'attrs': self.build_attrs(self.attrs, attrs),
            'template_name': self.template_name,
        }
        return context

def id_for_label(self, id_):

MultiWidget

    def id_for_label(self, id_):
        if id_:
            id_ += '_0'
        return id_

Widget

        Return the HTML ID attribute of this Widget for use by a <label>,
        given the ID of the field. Return None if no ID is available.

        This hook is necessary because some widgets have multiple HTML
        elements and, thus, multiple IDs. In that case, this method should
        return an ID value that corresponds to the first ID in the widget's
        tags.
        
    def id_for_label(self, id_):
        """
        Return the HTML ID attribute of this Widget for use by a <label>,
        given the ID of the field. Return None if no ID is available.

        This hook is necessary because some widgets have multiple HTML
        elements and, thus, multiple IDs. In that case, this method should
        return an ID value that corresponds to the first ID in the widget's
        tags.
        """
        return id_

def render(self, name, value, attrs=None, renderer=None): Widget 

Render the widget as an HTML string.
    def render(self, name, value, attrs=None, renderer=None):
        """Render the widget as an HTML string."""
        context = self.get_context(name, value, attrs)
        return self._render(self.template_name, context, renderer)

def subwidgets(self, name, value, attrs=None): Widget 

    def subwidgets(self, name, value, attrs=None):
        context = self.get_context(name, value, attrs)
        yield context['widget']

def use_required_attribute(self, initial): Widget 

    def use_required_attribute(self, initial):
        return not self.is_hidden

def value_from_datadict(self, data, files, name):

MultiWidget

    def value_from_datadict(self, data, files, name):
        return [widget.value_from_datadict(data, files, name + '_%s' % i) for i, widget in enumerate(self.widgets)]

Widget

        Given a dictionary of data and this widget's name, return the value
        of this widget or None if it's not provided.
        
    def value_from_datadict(self, data, files, name):
        """
        Given a dictionary of data and this widget's name, return the value
        of this widget or None if it's not provided.
        """
        return data.get(name)

def value_omitted_from_data(self, data, files, name):

MultiWidget

    def value_omitted_from_data(self, data, files, name):
        return all(
            widget.value_omitted_from_data(data, files, name + '_%s' % i)
            for i, widget in enumerate(self.widgets)
        )

Widget

    def value_omitted_from_data(self, data, files, name):
        return name not in data