class ModelList(ModelBlock):
"""Abstract StructBlock that can generate a list from a Django model.
Subclasses must define a 'render' method that renders the model QuerySet
to a string.
For example:
def render(self, value, context=None):
value['objects'] = self.get_queryset(value)
template = 'path/to/template.html'
return render_to_string(template, value)
"""
limit = atoms.IntegerBlock(
default=5,
label='Maximum items',
min_value=0,
help_text='Limit list to this number of items'
)
def __init__(self, *args, **kwargs):
super(ModelList, self).__init__(*args, **kwargs)
def get_limit(self, value):
return value.get('limit')
class Meta:
icon = 'list-ul'
class ConferenceRegistrationForm(AbstractFormBlock):
heading = blocks.CharBlock(
required=False,
help_text=('Note: Additional form field options will appear in '
'Preview and Publish modes.'))
code = blocks.CharBlock(label='GovDelivery Code')
sessions = blocks.ListBlock(blocks.CharBlock(label='Session'),
label='Sessions attending')
capacity = atoms.IntegerBlock(help_text=(
'Enter an integer that will be the conference attendance limit.'))
success_message = blocks.RichTextBlock(help_text=(
'Enter a message that will be shown on successful registration.'))
at_capacity_message = organisms.FullWidthText(help_text=(
'Enter a message that will be shown when the event is at capacity.'))
failure_message = blocks.CharBlock(
help_text=('Enter a message that will be shown if the GovDelivery '
'subscription fails.'))
class Meta:
handler = 'data_research.handlers.ConferenceRegistrationHandler'
template = '_includes/conference-registration-form.html'