category represented by this node or None if it is root
map from all direct child-categories to nodes representing them
operations directly in category represented by this node
Adds a new DOperation to the tree represented by this node under a specified category.
Adds a new DOperation to the tree represented by this node under a specified category.
operation descriptor to be added
category under which operation should directly be
category tree identical to this but with operation added
category represented by this node or None if it is root
operations directly in category represented by this node
map from all direct child-categories to nodes representing them
Node in DOperationCategoryTree. Represents certain category, holds its subcategories and assigned operations. Objects of this class are immutable.
category represented by this node or None if it is root
map from all direct child-categories to nodes representing them
operations directly in category represented by this node