def get_allowed_types(self):
return getAllowedContentTypes(self.context)
def __call__(self, context):
site = getSite()
items = list(getAllowedContentTypes(site))
items.sort()
items = [SimpleTerm(i, i, i) for i in items]
return SimpleVocabulary(items)
def edit(self, context, field, request):
"""Render widget on edit.
:returns: Widget's HTML.
:rtype: string
"""
from Products.Archetypes.mimetype_utils import getAllowedContentTypes
from Products.Archetypes.mimetype_utils import getDefaultContentType
from lxml import etree
rendered = ''
allowed_mime_types = getAllowedContentTypes(context)
if not allowed_mime_types or len(allowed_mime_types) <= 1:
# Display textarea with default widget
rendered = self._base(
**self._base_args(context, field, request)).render()
else:
# Let pat-textarea-mimetype-selector choose the widget
# Initialize the widget without a pattern
base_args = self._base_args(context, field, request)
pattern_options = base_args['pattern_options']
del base_args['pattern']
del base_args['pattern_options']
textarea_widget = self._base(None, None, **base_args)
textarea_widget.klass = ''
mt_pattern_name = '{}{}'.format(
self._base._klass_prefix,
'textareamimetypeselector'
)
# Initialize mimetype selector pattern
value_mime_type = field.getContentType(context)\
or getDefaultContentType(context)
mt_select = etree.Element('select')
mt_select.attrib['id'] = '{}_text_format'.format(field.getName())
mt_select.attrib['name'] = '{}_text_format'.format(field.getName())
mt_select.attrib['class'] = mt_pattern_name
mt_select.attrib['{}{}'.format('data-', mt_pattern_name)] =\
json.dumps({
'textareaName': field.getName(),
'widgets': {
'text/html': { # TODO: currently, we only support
# richtext widget config for
# 'text/html', no other mimetypes.
'pattern': self.pattern,
'patternOptions': pattern_options
}
}
})
# Create a list of allowed mime types
for mt in allowed_mime_types:
opt = etree.Element('option')
opt.attrib['value'] = mt
if value_mime_type == mt:
opt.attrib['selected'] = 'selected'
opt.text = mt
mt_select.append(opt)
# Render the combined widget
rendered = '{}\n{}'.format(
textarea_widget.render(),
etree.tostring(mt_select)
)
return rendered
