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from django.forms.utils import pretty_name
from django.utils.html import format_html
from django.utils.translation import ugettext_lazy as _
from wagtail.wagtailadmin.edit_handlers import EditHandler
class BaseReadOnlyPanel(EditHandler):
def render(self):
value = getattr(self.instance, self.attr)
if callable(value):
value = value()
return format_html('<div style="padding-top: 1.2em;">{}</div>', value)
def render_as_object(self):
return format_html(
'<fieldset><legend>{}</legend>'
'<ul class="fields"><li><div class="field">{}</div></li></ul>'
'</fieldset>',
self.heading, self.render())
def render_as_field(self):
return format_html(
'<div class="field">'
'<label>{}{}</label>'
'<div class="field-content">{}</div>'
'</div>',
self.heading, _(':'), self.render())
class ReadOnlyPanel:
def __init__(self, attr, heading=None, classname=''):
self.attr = attr
self.heading = pretty_name(self.attr) if heading is None else heading
self.classname = classname
def bind_to_model(self, model):
return type(str(_('ReadOnlyPanel')), (BaseReadOnlyPanel,),
{'attr': self.attr, 'heading': self.heading,
'classname': self.classname})