def update(self):
"""Update widget"""
self.subform = QuerySubForm(QueryContext(), self.request, self.name)
self.subform.update()
class ReferenceUploadWidget(z3c.form.widget.Widget, ContentTreeWidget):
"""Reference upload widget"""
implements(IReferenceUploadWidget)
klass = u'reference-upload-widget'
multi_select = False
def raw_value(self):
"""Returns physical path of referenced object or None"""
if self.request.get(self.name):
return self.request.get(self.name)
dm = getMultiAdapter(
(self.context, self.field), z3c.form.interfaces.IDataManager)
try:
rel_obj = dm.get()
if rel_obj:
return '/'.join(rel_obj.getPhysicalPath())
except TypeError:
return None
def object_value(self):
"""Returns the related object"""
rel_path = self.raw_value()
if rel_path:
object_path = getUtility(IObjectPath)
obj = object_path.resolve(str(rel_path))
if obj:
return obj
def object_value_working_copy(self, obj):
"""Returns the related object's working copy if it exists"""
if obj:
wcopies = obj.getBRefs(WorkingCopyRelation.relationship)
if wcopies:
return wcopies[0]
def update(self):
"""Update widget"""
self.subform = QuerySubForm(QueryContext(), self.request, self.name)
self.subform.update()
def renderQueryWidget(self):
"""Overloaded from z3c.formidget.query.widget.QuerySourceRadioWidget"""
return ''
def extract(self, default=z3c.form.interfaces.NO_VALUE):
"""Extract the value of submitted element from the request"""
option = self.request.get(self.name + '_option')
if option == u'upload':
file_upload = self.request.get(self.name + '_file')
if file_upload:
if isinstance(file_upload, list):
file_upload = file_upload[0]
if file_upload.filename:
return file_upload
elif option == u'select':
return self.request.get(self.name)
elif option == u'keep':
return self.request.get(self.name + '_raw_value')
return default
def render_display(self, wcopy=False):
"""Render the plain widget without additional layout"""
template = getMultiAdapter(
(self.context, self.request, self.form, self.field, self),
IPageTemplate, name=z3c.form.interfaces.DISPLAY_MODE)
obj = self.object_value()
if wcopy:
obj = self.object_value_working_copy(obj)
return template(self, obj=obj)
