def __init__(self,
_context,
provides,
class_=None,
component=None,
name=''):
if class_ is not None:
assert component is None, "Both class and component specified"
self.component = class_()
else:
assert component is not None, \
"Neither class nor component specified"
self.component = component
self._context = _context
self.provides = provides
self.name = name
self.permission_collector = PermissionCollectingContext()
self.contentdirective = ClassDirective(self.permission_collector,
class_)
def addMenuItem(_context,
title,
description='',
menu=None,
for_=None,
class_=None,
factory=None,
view=None,
icon=None,
filter=None,
permission=None,
layer=IDefaultBrowserLayer,
extra=None,
order=0,
item_class=None):
"""Create an add menu item for a given class or factory
As a convenience, a class can be provided, in which case, a
factory is automatically defined based on the class. In this
case, the factory id is based on the class name.
"""
if for_ is not None:
_context.action(discriminator=None,
callable=provideInterface,
args=('', for_))
forname = 'For' + for_.getName()
else:
for_ = IAdding
forname = ''
if menu is not None:
if isinstance(menu, six.string_types):
menu = getUtility(IMenuItemType, menu)
if menu is None:
raise ValueError("Missing menu id '%s'" % menu)
if class_ is None:
if factory is None:
raise ValueError("Must specify either class or factory")
else:
if factory is not None:
raise ValueError("Can't specify both class and factory")
if permission is None:
raise ValueError(
"A permission must be specified when a class is used")
factory = "BrowserAdd%s__%s.%s" % (forname, class_.__module__,
class_.__name__)
ClassDirective(_context, class_).factory(_context, id=factory)
extra = {'factory': factory}
if view:
action = view
# This action will check if the view exists
_context.action(discriminator=None,
callable=_checkViewFor,
args=(for_, layer, view),
order=999999)
else:
action = factory
if menu == None:
menu = AddMenu
return menuItemsDirective(_context, menu, for_,
layer=layer).menuItem(_context, action, title,
description, icon, filter,
permission, extra, order,
item_class)
