class BootstrapPictureFormMixin(ImageFormMixin):
responsive_heights = BootstrapMultiSizeField(
label=_("Adapt Picture Heights"),
required=False,
require_all_fields=False,
allowed_units=['px', '%'],
initial='100%',
help_text=
_("Heights of picture in percent or pixels for distinct Bootstrap's breakpoints."
),
)
responsive_zoom = BootstrapMultiSizeField(
label=_("Adapt Picture Zoom"),
required=False,
require_all_fields=False,
allowed_units=['%'],
initial=['0%', '0%', '0%', '0%', '0%'],
help_text=
_("Magnification of picture in percent for distinct Bootstrap's breakpoints."
),
)
resize_options = MultipleChoiceField(
label=_("Resize Options"),
choices=IMAGE_RESIZE_OPTIONS,
widget=widgets.CheckboxSelectMultiple,
initial=['subject_location', 'high_resolution'],
help_text=_("Options to use when resizing the image."),
)
image_shapes = MultipleChoiceField(label=_("Image Shapes"),
choices=IMAGE_SHAPE_CHOICES,
widget=widgets.CheckboxSelectMultiple,
initial=['img-fluid'])
class Meta:
entangled_fields = {
'glossary': [
'responsive_heights', 'responsive_zoom', 'resize_options',
'image_shapes'
]
}
class CarouselSlidesFormMixin(ManageChildrenFormMixin,
EntangledModelFormMixin):
OPTION_CHOICES = [('slide', _("Animate")), ('pause', _("Pause")),
('wrap', _("Wrap"))]
num_children = IntegerField(
min_value=1,
initial=1,
label=_('Slides'),
help_text=_('Number of slides for this carousel.'),
)
interval = IntegerField(
label=_("Interval"),
initial=5,
help_text=_("Change slide after this number of seconds."),
)
options = MultipleChoiceField(
label=_('Options'),
choices=OPTION_CHOICES,
widget=widgets.CheckboxSelectMultiple,
initial=['slide', 'wrap', 'pause'],
help_text=_("Adjust interval for the carousel."),
)
container_max_heights = BootstrapMultiSizeField(
label=_("Carousel heights"),
allowed_units=['px'],
initial=['100px', '150px', '200px', '250px', '300px'],
help_text=
_("Heights of Carousel in pixels for distinct Bootstrap's breakpoints."
),
)
resize_options = MultipleChoiceField(
label=_("Resize Options"),
choices=IMAGE_RESIZE_OPTIONS,
widget=widgets.CheckboxSelectMultiple,
help_text=_("Options to use when resizing the image."),
initial=['upscale', 'crop', 'subject_location', 'high_resolution'],
)
class Meta:
untangled_fields = ['num_children']
entangled_fields = {
'glossary':
['interval', 'options', 'container_max_heights', 'resize_options']
}
class JumbotronFormMixin(EntangledModelFormMixin):
"""
Form class to validate the JumbotronPlugin.
"""
ATTACHMENT_CHOICES = ['scroll', 'fixed', 'local']
VERTICAL_POSITION_CHOICES = ['top', '10%', '20%', '30%', '40%', 'center', '60%', '70%', '80%', '90%', 'bottom']
HORIZONTAL_POSITION_CHOICES = ['left', '10%', '20%', '30%', '40%', 'center', '60%', '70%', '80%', '90%', 'right']
REPEAT_CHOICES = ['repeat', 'repeat-x', 'repeat-y', 'no-repeat']
SIZE_CHOICES = ['auto', 'width/height', 'cover', 'contain']
fluid = BooleanField(
label=_("Is fluid"),
initial=True,
required=False,
help_text=_("Shall this element occupy the entire horizontal space of its parent."),
)
element_heights = BootstrapMultiSizeField(
label=("Element Heights"),
required=True,
allowed_units=['rem', 'px', 'auto'],
initial='300px',
help_text=_("This property specifies the height for each Bootstrap breakpoint."),
)
background_color = ColorField(
label=_("Background color"),
)
image_file = CascadeImageField(
label=_("Background image"),
required=False,
)
background_repeat = ChoiceField(
label=_("Background repeat"),
choices=[(c, c) for c in REPEAT_CHOICES],
widget=widgets.RadioSelect,
initial='no-repeat',
required=False,
help_text=_("This property specifies how the background image repeates."),
)
background_attachment = ChoiceField(
label=_("Background attachment"),
choices=[(c, c) for c in ATTACHMENT_CHOICES],
widget=widgets.RadioSelect,
initial='local',
required=False,
help_text=_("This property specifies how to move the background image relative to the viewport."),
)
background_vertical_position = ChoiceField(
label=_("Background vertical position"),
choices=[(c, c) for c in VERTICAL_POSITION_CHOICES],
initial='center',
required=False,
help_text=_("This property moves a background image vertically within its container."),
)
background_horizontal_position = ChoiceField(
label=_("Background horizontal position"),
choices=[(c, c) for c in HORIZONTAL_POSITION_CHOICES],
initial='center',
required=False,
help_text=_("This property moves a background image horizontally within its container."),
)
background_size = ChoiceField(
label=_("Background size"),
choices=[(c, c) for c in SIZE_CHOICES],
widget=widgets.RadioSelect,
initial='auto',
required=False,
help_text=_("This property specifies how the background image is sized."),
)
background_width_height = MultiSizeField(
['width', 'height'],
label=_("Background width/height"),
allowed_units=['px', '%'],
required=False,
help_text=_("This property specifies the width and height of a background image in px or %."),
)
class Meta:
entangled_fields = {'glossary': ['fluid', 'background_color', 'element_heights', 'image_file',
'background_repeat', 'background_attachment',
'background_vertical_position', 'background_horizontal_position',
'background_size', 'background_width_height']}
def validate_optional_field(self, name):
field = self.fields[name]
value = field.widget.value_from_datadict(self.data, self.files, self.add_prefix(name))
if value in field.empty_values:
self.add_error(name, ValidationError(field.error_messages['required'], code='required'))
else:
return value
def clean(self):
cleaned_data = super().clean()
if cleaned_data['image_file']:
self.validate_optional_field('background_repeat')
self.validate_optional_field('background_attachment')
self.validate_optional_field('background_vertical_position')
self.validate_optional_field('background_horizontal_position')
if self.validate_optional_field('background_size') == 'width/height':
try:
cleaned_data['background_width_height']['width']
except KeyError:
msg = _("You must at least set a background width.")
self.add_error('background_width_height', msg)
raise ValidationError(msg)
return cleaned_data