def orderable_classes(self):
registry = get_boxes_registry()
types = [ cls for cls, allow in registry.iteritems()
if allow[self.allow_filter_key] ]
types.sort(lambda x, y : cmp(x.class_title.gettext(),
y.class_title.gettext()))
types = self._reduce_orderable_classes(types)
return types
def can_paste(self, source):
"""Is the source resource can be pasted into myself.
"""
allowed_types = self.get_document_types()
# extend allowed type with content boxes
registry = get_boxes_registry()
boxe_cls = [ cls for cls, allow in registry.iteritems()
if allow['content'] ]
allowed_types.extend(boxe_cls)
return isinstance(source, tuple(allowed_types))
def _get_document_types(self, allow_instanciation=None, is_contentbox=None,
is_sidebox=None):
registry = get_boxes_registry()
types = []
for cls, allow in registry.iteritems():
if allow_instanciation is not None and \
allow_instanciation <> allow['instanciation']:
continue
if is_contentbox is not None and is_contentbox <> allow['content']:
continue
if is_sidebox is not None and is_sidebox <> allow['side']:
continue
types.append(cls)
types.sort(lambda x, y : cmp(x.class_id, y.class_id))
return types
