class CoderedAdvSettings(blocks.StructBlock):
"""
Common fields each block should have,
which are hidden under the block's "Advanced Settings" dropdown.
"""
# placeholder, real value get set in __init__()
custom_template = blocks.Block()
custom_css_class = blocks.CharBlock(
required=False,
max_length=255,
label=_('Custom CSS Class'),
)
custom_id = blocks.CharBlock(
required=False,
max_length=255,
label=_('Custom ID'),
)
class Meta:
form_template = 'wagtailadmin/block_forms/base_block_settings_struct.html'
label = _('Advanced Settings')
def __init__(self, local_blocks=None, template_choices=None, **kwargs):
if not local_blocks:
local_blocks = ()
local_blocks += (('custom_template',
blocks.ChoiceBlock(choices=template_choices,
default=None,
required=False,
label=_('Template'))), )
super().__init__(local_blocks, **kwargs)
class BaseBlock(blocks.StructBlock):
"""
Common attributes for all blocks used in CodeRed CMS.
"""
# subclasses can override this to determine the advanced settings class
advsettings_class = CoderedAdvSettings
# placeholder, real value get set in __init__() from advsettings_class
settings = blocks.Block()
def __init__(self, local_blocks=None, **kwargs):
"""
Construct and inject settings block, then initialize normally.
"""
klassname = self.__class__.__name__.lower()
choices = cr_settings['FRONTEND_TEMPLATES_BLOCKS'].get('*', ()) + \
cr_settings['FRONTEND_TEMPLATES_BLOCKS'].get(klassname, ())
if not local_blocks:
local_blocks = ()
local_blocks += (('settings',
self.advsettings_class(template_choices=choices)), )
super().__init__(local_blocks, **kwargs)
def render(self, value, context=None):
template = value['settings']['custom_template']
if not template:
template = self.get_template(context=context)
if not template:
return self.render_basic(value, context=context)
if context is None:
new_context = self.get_context(value)
else:
new_context = self.get_context(value, parent_context=dict(context))
return mark_safe(render_to_string(template, new_context))