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import OFS.PropertySheets
from ComputedAttribute import ComputedAttribute
from Globals import default__class_init__, Dictionary
from ZClasses.Property import klass_sequence, ClassCaretaker, ZCommonSheet
class VirtualSheets(OFS.PropertySheets.PropertySheets):
"""Ensure that virtual propertysheets are included in sheets"""
def __propsets__(self):
propsets = self._get_defaults()+self.aq_inner.aq_parent._v_currentSheets
r=[]
for id in klass_sequence(self.__class__,'__propset_attrs__').keys():
r.append(getattr(self,id))
return propsets+tuple(r)
def get(self,name,default=None):
for propset in self._get_defaults():
if propset.id==name or propset.xml_namespace()==name:
return propset.__of__(self)
client = self.aq_inner.aq_parent
s = client._delegateToSheetProviders(name,name,'_PropertySheetFor')
if s is not None: return s.__of__(self)
return default
def __bobo_traverse__(self, REQUEST, name=None):
for propset in self._get_defaults():
if propset.id==name:
return propset.__of__(self)
client = self.aq_inner.aq_parent
s = client._delegateToSheetProviders(name,'','_PropertySheetFor')
if s is not None: return s.__of__(self)
return getattr(self, name)
def manage_addPropertySheet(self, id, ns):
""" """
if self.aq_inner.aq_parent._addPropertySheet(id,ns):
return 'OK'
def manage_delPropertySheet(self, name='', xmlns=''):
""" """
self.aq_inner.aq_parent._delPropertySheet(name,xmlns)
return 'OK'
__ac_permissions__ = (
("Manage properties",
('manage_addPropertySheet','manage_delPropertySheet')
),
)
_implements_the_notional_subclassable_propertysheet_class_interface=1
def propertyLabel(self,id):
return id # Hack to make sheets UI work
default__class_init__(VirtualSheets)
# ZClass propertysheet helpers
class DefaultCaretaker(ClassCaretaker):
# Map attributes to 'class_default_for_' variables
def __getattr__(self,name):
return ClassCaretaker.__getattr__(self,'class_default_for_'+name)
def __setattr__(self,name,value):
ClassCaretaker.__setattr__(self,'class_default_for_'+name,value)
def __delattr__(self,name):
ClassCaretaker.__delattr__(self,'class_default_for_'+name)
class DataSkinSheet(ZCommonSheet):
"""Property sheet that creates class defaults for properties"""
meta_type="DataSkin Attribute Property Sheet"
def v_self(self):
klass=self.aq_inner.aq_parent.aq_parent.aq_parent._zclass_
return DefaultCaretaker(klass)
def SheetAttribute(name='',xmlns=''):
def getsheet(self,name=name,xmlns=xmlns):
return self.PropertySheet(name=name,xmlns=xmlns)
return ComputedAttribute(getsheet)
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