Inheritance diagram for question_graded_automatically:

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Public Member Functions
	is_gradable_response (array $response)
	get_right_answer_summary ()
	get_hint ($hintnumber, question_attempt $qa)
	format_hint (question_hint $hint, question_attempt $qa)
Data Fields
	$shownumcorrect = false
Protected Member Functions
	check_combined_feedback_file_access ($qa, $options, $filearea)
	check_hint_file_access ($qa, $options, $args)

Detailed Description

This class represents a question that can be graded automatically.

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

Definition at line 563 of file questionbase.php.

Member Function Documentation

check_combined_feedback_file_access	(	$	qa,
		$	options,
		$	filearea
	)		`[protected]`

Check a request for access to a file belonging to a combined feedback field.

Parameters:

question_attempt	$qa	the question attempt being displayed.
question_display_options	$options	the options that control display of the question.
string	$filearea	the name of the file area.

Returns:: bool whether access to the file should be allowed.

Definition at line 587 of file questionbase.php.

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check_hint_file_access	(	$	qa,
		$	options,
		$	args
	)		`[protected]`

Check a request for access to a file belonging to a hint.

Parameters:

question_attempt	$qa	the question attempt being displayed.
question_display_options	$options	the options that control display of the question.
array	$args	the remaining bits of the file path.

Returns:: bool whether access to the file should be allowed.

Definition at line 608 of file questionbase.php.

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format_hint	(	question_hint $	hint,
		question_attempt $	qa
	)

Definition at line 624 of file questionbase.php.

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get_hint	(	$	hintnumber,
		question_attempt $	qa
	)

Get one of the question hints. The question_attempt is passed in case the question type wants to do something complex. For example, the multiple choice with multiple responses question type will turn off most of the hint options if the student has selected too many opitions.

Parameters:

int	$hintnumber	Which hint to display. Indexed starting from 0
question_attempt	$qa	The question_attempt.

Implements question_automatically_gradable.

Reimplemented in qtype_multichoice_multi_question.

Definition at line 617 of file questionbase.php.

get_right_answer_summary ( )

Generate a brief, plain-text, summary of the correct answer to this question. This is used by various reports, and can also be useful when testing. This method will return null if such a summary is not possible, or inappropriate.

Returns:: string|null a plain text summary of the right answer to this question.

Implements question_automatically_gradable.

Definition at line 572 of file questionbase.php.

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is_gradable_response ( array $ response )

Use by many of the behaviours to determine whether the student has provided enough of an answer for the question to be graded automatically, or whether it must be considered aborted.

Parameters:

array $response responses, as returned by question_attempt_step::get_qt_data().