|
Purpose:
|
Allows an application to notify its sub-systems of
ENTITY events.
|
|
|
Derivation:
|
entity_notification_handler : ACIS_OBJECT : -
|
|
|
Filename:
|
kern/kernel/geomhusk/ent_not.hxx
|
|
|
Description:
|
The
entity_notification_handler provides an interface to allow an application to decide what to do when
ENTITYs are created, deleted or changed either during a roll or not. A derived version of this class uses the information to connect a
PART_CONTEXT with a
PART. The
PART_CONTEXT can then decide how the
ENTITYs will be displayed.
|
|
|
References:
|
KERN
|
ENTITY_LIST
|
|
|
Data:
|
protected ENTITY_LIST roll_list;
|
|
Location to store
ENTITYs during a roll operation. This allows the application to delay the processing of
ENTITYs until after the roll has occurred.
|
|
|
Constructor:
|
public: entity_notification_handler::
|
|
|
entity_notification_handler ();
|
|
|
C++ constructor, creating an
entity_notification_handler.
|
|
|
|
|
|
Destructor:
|
public: virtual entity_notification_handler::
|
|
|
~entity_notification_handler ();
|
|
|
C++ destructor, deleting an
entity_notification_handler.
|
|
|
|
|
Methods:
|
public: virtual void entity_notification_handler::after_roll
()= 0;
|
|
|
Clears the
roll_list after the roll operation. The derived classes must decide how the rolled
ENTITYs should be processed.
|
|
|
|
|
|
|
public: virtual void
|
|
|
entity_notification_handler::before_roll ();
|
|
|
Clears the
roll_list in preparation for the roll operation.
|
|
|
|
|
|
|
public: virtual void
|
|
|
entity_notification_handler::create_entity (
|
|
|
ENTITY* ent
|
// entity to be created
|
|
|
)= 0;
|
|
|
Notifies the handler of an entity update event, to allow the handler to decide what to do when a given entity event has occurred.
|
|
|
|
|
|
|
public: virtual void
|
|
|
entity_notification_handler::delete_entity (
|
|
|
ENTITY* ent
|
// entity to be deleted
|
|
|
)= 0;
|
|
|
Notifies the handler of an entity delete event, to allow the handler to decide what to do when a given entity event has occurred.
|
|
|
|
|
|
|
public: virtual void
|
|
|
entity_notification_handler::remove_roll_entity (
|
|
|
ENTITY* ent
|
// entity to remove
|
|
|
);
|
|
|
Removes the
ENTITY from the
roll_list.
|
|
|
|
|
|
|
public: virtual void
|
|
|
entity_notification_handler::roll_create (
|
|
|
ENTITY* ent
|
// entity to be created
|
|
|
);
|
|
|
Stores the
ENTITY given into a list, to be handled at a later time.
|
|
|
|
|
|
|
public: virtual void
|
|
|
entity_notification_handler::roll_delete (
|
|
|
ENTITY* ent
|
// entity to be deleted
|
|
|
);
|
|
|
Stores the
ENTITY given into a list, to be handled at a later time.
|
|
|
|
|
|
|
public: virtual void
|
|
|
entity_notification_handler::roll_update (
|
|
|
ENTITY* ent
|
// entity to be updated
|
|
|
);
|
|
|
Adds the given
ENTITY to the
roll_list.
|
|
|
|
|
|
|
public: virtual void
|
|
|
entity_notification_handler::update_entity (
|
|
|
ENTITY* ent
|
// entity to be updated
|
|
|
)= 0;
|
|
|
Notifies the handler of an entity update event, to allow the handler to decide what to do when a given entity event has occurred.
|