question_usage_observer Interface Reference

Inheritance diagram for question_usage_observer:

Public Member Functions
	notify_modified ()
	notify_attempt_modified (question_attempt $qa)
	notify_attempt_added (question_attempt $qa)
	notify_step_added (question_attempt_step $step, question_attempt $qa, $seq)
	notify_step_modified (question_attempt_step $step, question_attempt $qa, $seq)
	notify_step_deleted (question_attempt_step $step, question_attempt $qa)

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Detailed Description

Interface for things that want to be notified of signficant changes to a question_usage_by_activity.

A question behaviour controls the flow of actions a student can take as they work through a question, and later, as a teacher manually grades it.

Copyright:

2009 The Open University http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Definition at line 805 of file questionusage.php.

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Member Function Documentation

notify_attempt_added

(

question_attempt $

qa

)

Called when a new question attempt is added to this usage.

Parameters:

question_attempt

$qa

the newly added question attempt.

Implemented in question_engine_unit_of_work, and question_usage_null_observer.

notify_attempt_modified

(

question_attempt $

qa

)

Called when the fields of a question attempt in this usage are modified.

Parameters:

question_attempt

$qa

the newly added question attempt.

Implemented in question_engine_unit_of_work, and question_usage_null_observer.

notify_modified

(

)

Called when a field of the question_usage_by_activity is changed.

Implemented in question_engine_unit_of_work, and question_usage_null_observer.

notify_step_added	(	question_attempt_step $	step,
		question_attempt $	qa,
		$	seq
	)

Called when a new step is added to a question attempt in this usage.

Parameters:

question_attempt_step	$step	the new step.
question_attempt	$qa	the usage it is being added to.
int	$seq	the sequence number of the new step.

Implemented in question_engine_unit_of_work, and question_usage_null_observer.

notify_step_deleted	(	question_attempt_step $	step,
		question_attempt $	qa
	)

Called when a new step is updated in a question attempt in this usage.

Parameters:

question_attempt_step	$step	the step to delete.
question_attempt	$qa	the usage it is being added to.

Implemented in question_engine_unit_of_work, and question_usage_null_observer.

notify_step_modified	(	question_attempt_step $	step,
		question_attempt $	qa,
		$	seq
	)

Called when a new step is updated in a question attempt in this usage.

Parameters:

question_attempt_step	$step	the step that was updated.
question_attempt	$qa	the usage it is being added to.
int	$seq	the sequence number of the new step.

Implemented in question_engine_unit_of_work, and question_usage_null_observer.

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The documentation for this interface was generated from the following file:

• C:/xampp/htdocs/moodle/question/engine/questionusage.php