Static Public Member Functions
static	is_qtype_installed ($qtypename)
static	get_qtype ($qtypename, $mustexist=true)
static	get_config ()
static	qtype_enabled ($qtypename)
static	qtype_exists ($qtypename)
static	get_qtype_name ($qtypename)
static	get_all_qtypes ()
static	sort_qtype_array ($qtypes, $config=null)
static	get_creatable_qtypes ()
static	load_question_definition_classes ($qtypename)
static	load_question ($questionid, $allowshuffle=true)
static	make_question ($questiondata)
static	get_finder ()
static	start_unit_test ()
static	end_unit_test ()
static	load_test_question_data (question_definition $question)
static	fraction_options ()
static	fraction_options_full ()
Data Fields
const	MAX_SUMMARY_LENGTH = 32000
Protected Member Functions
	ensure_fraction_options_initialised ()
Static Protected Attributes
static	$questionfinder = null

Detailed Description

This static class provides access to the other question bank.

It provides functions for managing question types and question definitions.

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

Definition at line 44 of file bank.php.

Member Function Documentation

static end_unit_test ( ) [static]

Only to be called from unit tests. Allows load_test_data() to be used.

Definition at line 301 of file bank.php.

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ensure_fraction_options_initialised ( ) [protected]

Definition at line 327 of file bank.php.

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static fraction_options ( ) [static]

Returns:: array string => string The standard set of grade options (fractions) to use when editing questions, in the range 0 to 1 inclusive. Array keys are string becuase: a) we want grades to exactly 7 d.p., and b. you can't have float array keys in PHP. Initialised by ensure_grade_options_initialised().

Definition at line 391 of file bank.php.

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static fraction_options_full ( ) [static]

Returns:: array string => string The full standard set of (fractions) -1 to 1 inclusive.

Definition at line 397 of file bank.php.

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static get_all_qtypes ( ) [static]

Returns:: array all the installed question types.

Definition at line 152 of file bank.php.

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static get_config ( ) [static]

Load the question configuration data from config_plugins.

Returns:: object get_config('question') with caching.

Definition at line 115 of file bank.php.

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static get_creatable_qtypes ( ) [static]

Returns:: array all the question types that users are allowed to create, sorted into the preferred order set on the admin screen.

Definition at line 204 of file bank.php.

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static get_finder ( ) [static]

Returns:: question_finder a question finder.

Definition at line 284 of file bank.php.

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static get_qtype	(	$	qtypename,
		$	mustexist = `true`
	)		`[static]`

Get the question type class for a particular question type.

Parameters:

string	$qtypename	the question type name. For example 'multichoice' or 'shortanswer'.
bool	$mustexist	if false, the missing question type is returned when the requested question type is not installed.

Returns:: question_type the corresponding question type class.

Definition at line 89 of file bank.php.

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static get_qtype_name ( $ qtypename ) [static]

Parameters:

$qtypename the internal name of a question type, for example multichoice.

Returns:: string the human_readable name of this question type, from the language pack.

Definition at line 145 of file bank.php.

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static is_qtype_installed ( $ qtypename ) [static]

Parameters:

string $qtypename a question type name, e.g. 'multichoice'.

Returns:: bool whether that question type is installed in this Moodle.

Definition at line 77 of file bank.php.

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static load_question	(	$	questionid,
		$	allowshuffle = `true`
	)		`[static]`

Load a question definition from the database. The object returned will actually be of an appropriate question_definition subclass.

Parameters:

int	$questionid	the id of the question to load.
bool	$allowshuffle	if false, then any shuffle option on the selected quetsion is disabled.

Returns:: question_definition loaded from the database.

Definition at line 251 of file bank.php.

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static load_question_definition_classes ( $ qtypename ) [static]

Load the question definition class(es) belonging to a question type. That is, include_once('/question/type/' . $qtypename . '/question.php'), with a bit of checking.

Parameters:

string $qtypename the question type name. For example 'multichoice' or 'shortanswer'.

Definition at line 230 of file bank.php.

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