def convert(identifier):
try:
content = get_content_from_id(int(identifier))
except ValueError:
self.raise_error('invalid_value', field)
if ISilvaObject.providedBy(content):
return content
return None
def get_subscribable_content(identifier):
"""Fetch a subscribable content out of an identifier.
"""
if not identifier:
# Identifier is missing.
raise errors.NotSubscribableError()
try:
identifier = int(identifier)
except (ValueError, TypeError):
# Identifier is an invalid format.
raise errors.NotSubscribableError()
content = get_content_from_id(identifier)
if content is None:
# Idnetifier did not resolve.
raise errors.NotSubscribableError()
return content
def validate(self, data):
"""Validate ghost target before setting it.
"""
# This is not beauty, but it works.
content_id = data.get(field_name)
if content_id is silvaforms.NO_VALUE:
# If there value is required it is already checked
return []
getManager = getComponent((wanted,), IGhostManager)
if adding:
manager = getManager(container=self.form.context)
else:
manager = getManager(ghost=self.form.context)
error = manager.validate(get_content_from_id(content_id), adding)
if error is not None:
identifier = widgetId(self.form, self.fields[field_name])
return [Error(error.doc(), identifier)]
return []
def validate(self, data):
"""Validate ghost target before setting it.
"""
# This is not beauty, but it works.
content_id = data.get(field_name)
if content_id is silvaforms.NO_VALUE:
# If there value is required it is already checked
return []
getManager = getComponent((wanted, ), IGhostManager)
if adding:
manager = getManager(container=self.form.context)
else:
manager = getManager(ghost=self.form.context)
error = manager.validate(get_content_from_id(content_id), adding)
if error is not None:
identifier = widgetId(self.form, self.fields[field_name])
return [Error(error.doc(), identifier)]
return []
def update_reference_for(self, attributes):
name, reference = self.get_reference(
attributes['data-silva-reference'])
if reference is not None:
target_id = attributes.get('data-silva-target', '0')
try:
target_id = int(str(target_id))
assert get_content_from_id(target_id) is not None
except (ValueError, AssertionError):
# Invalid target id, set it as zero (broken)
target_id = 0
else:
# Invalid reference. We create a new one and mark the
# target as broken
name, reference = self.get_reference('new')
target_id = 0
if target_id != reference.target_id:
reference.set_target_id(target_id)
attributes['reference'] = name
def add(self, value_id=_marker, value=_marker, sub_widget=_marker):
if sub_widget is _marker:
sub_widget = self.widget
sub_widget.value_id = None
sub_widget.value_url = None
sub_widget.value_title = None
sub_widget.value_icon = None
sub_widget.value_path = None
if value_id is not _marker:
try:
value_id = int(value_id)
except (ValueError, TypeError):
value_id = 0
if value is _marker:
if value_id:
value = get_content_from_id(value_id)
else:
value = None
sub_widget.value_id = value_id
elif value is not _marker:
sub_widget.value_id = get_content_id(value)
else:
if not self.multiple:
self.set_lookup_url(self.context)
return
# None as a icon, it is missing
sub_widget.value_icon = self.get_icon_tag(value)
if value is not None:
sub_widget.value_title = value.get_title_or_id()
sub_widget.value_url = absoluteURL(value, self.request)
sub_widget.value_path = self.get_content_path(value)
if not self.multiple:
self.set_lookup_url(value)
else:
sub_widget.value_title = self.message
if not self.multiple:
self.set_lookup_url(self.context)
def convert(self, context):
title = self.getattr('title', default='')
name = self.getattr('name', default=None)
href = self.getattr('href', default='#')
anchor = self.getattr('_silva_anchor', default=None)
window_target = self.getattr('target', default='')
link_attributes = {'target': window_target,
'title': title,
'anchor': anchor}
if name is not None and href == '#':
# Case one, we are an anchor
if self.getattr('class', None) == 'index':
# index item
text = ''.join([t.convert(context).asBytes('UTF-8') for
t in extract_texts(self, context)])
textnode = Frag()
if text and (text[0] != '[' or text[-1] != ']'):
textnode = Text(text)
return Frag(
textnode,
silva.index(name=name, title=title))
else:
# named anchor, probably pasted from some other page
return Frag(self.content.convert(context))
elif self.hasattr('_silva_reference'):
# Case of a Silva reference used
reference_name = str(self.getattr('_silva_reference'))
reference_name, reference = context.get_reference(reference_name)
if reference is not None:
target_id = self.getattr('_silva_target', '0')
try:
target_id = int(str(target_id))
assert get_content_from_id(target_id) is not None
except (ValueError, AssertionError):
# Invalid target id, set it as zero (broken)
target_id = 0
else:
# Invalid reference. We create a new one and mark the
# target as broken
reference_name, reference = context.get_reference('new')
target_id = 0
# If the target changed, update it
if target_id != reference.target_id:
reference.set_target_id(target_id)
link_attributes['reference'] = reference_name
return silva.link(
self.content.convert(context),
**link_attributes)
elif self.hasattr('href'):
# External links
url = self.getattr('_silva_href', None)
if url is None:
url = self.getattr('href', '')
if unicode(url).startswith('/'):
# convert to physical path before storing
url = Text(IPath(context.request).urlToPath(unicode(url)))
if url:
link_attributes['url'] = url
return silva.link(
self.content.convert(context),
**link_attributes)
elif anchor is not None:
# Link to an anchor on the same page
return silva.link(
self.content.convert(context),
**link_attributes)
else:
return Frag()
def set_target_id(self, target_id):
self._check_image(get_content_from_id(target_id))
super(ImageDeleteSourceReferenceValue, self).set_target_id(target_id)
def set_target_id(self, target_id):
self._check_image(get_content_from_id(target_id))
super(ImageDeleteSourceReferenceValue, self).set_target_id(target_id)