Inheritance diagram for question_usage_null_observer:

Collaboration diagram for question_usage_null_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)

Detailed Description

Null implmentation of the question_usage_watcher interface. Does nothing.

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

Definition at line 854 of file questionusage.php.

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.

Definition at line 859 of file questionusage.php.

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.

Definition at line 857 of file questionusage.php.

notify_modified ( )

Called when a field of the question_usage_by_activity is changed.

Definition at line 855 of file questionusage.php.

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.

Definition at line 861 of file questionusage.php.

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.

Definition at line 865 of file questionusage.php.

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.

Definition at line 863 of file questionusage.php.

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