Class ClassSelectorParameter

Initialize a new Parameter object: store the supplied attributes.

default: the owning class's value for the attribute represented by this Parameter.

precedence is a value, usually in the range 0.0 to 1.0, that allows the order of Parameters in a class to be defined (for e.g. in GUI menus). A negative precedence indicates a parameter that should be hidden in e.g. GUI menus.

default, doc, and precedence default to None. This is to allow inheritance of Parameter slots (attributes) from the owning-class' class hierarchy (see ParameterizedObjectMetaclass).

Overrides: parameterizedobject.Parameter.__init__

(inherited documentation)

Set the value for this Parameter.

If called for a ParameterizedObject class, set that class's value (i.e. set this Parameter object's 'default' attribute).

If called for a ParameterizedObject instance, set the value of this Parameter on that instance (i.e. in the instance's __dict__, under the parameter's internal_name).

If the Parameter's constant attribute is True, only allows the value to be set for a ParameterizedObject class or on uninitialized ParameterizedObject instances.

If the Parameter's readonly attribute is True, only allows the value to be specified in the Parameter declaration inside the ParameterizedObject source code. A read-only parameter also cannot be set on a ParameterizedObject class.

Note that until we support some form of read-only object, it is still possible to change the attributes of the object stored in a constant or read-only Parameter (e.g. the left bound of a BoundingBox).

Overrides: parameterizedobject.Parameter.__set__

(inherited documentation)

Return the possible types for this parameter's value.

(I.e. return {name: <class>} for all classes that are
concrete_descendents() of self.class_.)

Only classes from modules that have been imported are added
(see concrete_descendents()).

Overrides: SelectorParameter.get_range