This file defines the question attempt step class, and a few related classes. More...

Classes
class	question_attempt_pending_step
	A subclass of question_attempt_step used when processing a new submission. More...

class	question_attempt_step
	Stores one step in a question_attempt. More...

class	question_attempt_step_read_only
	A subclass of question_attempt_step that cannot be modified. More...

class	question_attempt_step_subquestion_adapter
	This is an adapter class that wraps a question_attempt_step and modifies the get/set_*_data methods so that they operate only on the parts that belong to a particular subquestion, as indicated by an extra prefix. More...

class	question_null_step
	A null question_attempt_step returned from question_attempt::get_last_step() etc. More...

Detailed Description

This file defines the question attempt step class, and a few related classes.

@subpackage questionengine

Classes