question_category_object Class Reference

Class for performing operations on question categories. More...

Public Member Functions
	__construct ($page, $pageurl, $contexts, $currentcat, $defaultcategory, $todelete, $addcontexts)
	Constructor. More...
	add_category ($newparent, $newcategory, $newinfo, $return=false, $newinfoformat=FORMAT_HTML, $idnumber=null)
	Create a new category. More...
	delete_category ($categoryid)
	Deletes an existing question category. More...
	display_move_form ($questionsincategory, $category)
	display_user_interface ()
	Displays the user interface.
	edit_single_category ($categoryid)
	get_course_ids ($categories)
	gets all the courseids for the given categories More...
	get_question_categories ($parent=null, $sort="sortorder ASC")
	Gets question categories. More...
	initialize ($page, $contexts, $currentcat, $defaultcategory, $todelete, $addcontexts)
	Initializes this classes general category-related variables.
	move_questions ($oldcat, $newcat)
	move_questions_and_delete_category ($oldcat, $newcat)
	output_edit_lists ()
	Outputs a list to allow editing/rearranging of existing categories. More...
	output_new_table ()
	Outputs a table to allow entry of a new category.
	question_category_object ($page, $pageurl, $contexts, $currentcat, $defaultcategory, $todelete, $addcontexts)
	Old syntax of class constructor. More...
	set_viable_parents (&$parentstrings, $category)
	Sets the viable parents. More...
	update_category ($updateid, $newparent, $newname, $newinfo, $newinfoformat=FORMAT_HTML, $idnumber=null, $redirect=true)
	Updates an existing category with given params. More...

Public Attributes
question_category_edit_form	$catform
	Object representing form for adding / editing categories.
array	$editlists = array()
	nested lists to display categories.
moodle_url	$pageurl
	Object representing url for this page.
array	$str
	common language strings.
	$tab
	$tabsize = 3

Detailed Description

Class for performing operations on question categories.

Copyright

1999 onwards Martin Dougiamas http://moodle.com

License

http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Constructor & Destructor Documentation

__construct()

question_category_object::__construct	(		$page,
			$pageurl,
			$contexts,
			$currentcat,
			$defaultcategory,
			$todelete,
			$addcontexts
	)

Constructor.

Parameters

int	$page	page number
moodle_url	$pageurl	base URL of the display categories page. Used for redirects.
context[]	$contexts	contexts where the current user can edit categories.
int	$currentcat	id of the category to be edited. 0 if none.
int | null	$defaultcategory	id of the current category. null if none.
int	$todelete	id of the category to delete. 0 if none.
context[]	$addcontexts	contexts where the current user can add questions.

Member Function Documentation

add_category()

question_category_object::add_category	(		$newparent,
			$newcategory,
			$newinfo,
			$return = false,
			$newinfoformat = FORMAT_HTML,
			$idnumber = null
	)

Create a new category.

Data is expected to come from question_category_edit_form.

By default redirects on success, unless $return is true.

Parameters

string	$newparent	'categoryid,contextid' of the parent category.
string	$newcategory	the name.
string	$newinfo	the description.
bool	$return	if true, return rather than redirecting.
int | string	$newinfoformat	description format. One of the FORMAT_ constants.
null	$idnumber	the idnumber. '' is converted to null.

Return values

bool|int

New category id if successful, else false.

delete_category()

question_category_object::delete_category

(

$categoryid

)

Deletes an existing question category.

Parameters

int	deletecat id of category to delete

get_course_ids()

question_category_object::get_course_ids

(

$categories

)

gets all the courseids for the given categories

Parameters

array

categories contains category objects in a tree representation

Return values

array

courseids flat array in form categoryid=>courseid

get_question_categories()

question_category_object::get_question_categories	(		$parent = null,
			$sort = "sortorder ASC"
	)

Gets question categories.

Parameters

int	parent - if given, restrict records to those with this parent id.
string	sort - [[sortfield [,sortfield]] {ASC|DESC}]

Return values

array

categories

output_edit_lists()

question_category_object::output_edit_lists

(

)

Outputs a list to allow editing/rearranging of existing categories.

$this->initialize() must have already been called

question_category_object()

question_category_object::question_category_object	(		$page,
			$pageurl,
			$contexts,
			$currentcat,
			$defaultcategory,
			$todelete,
			$addcontexts
	)

Old syntax of class constructor.

Deprecated in PHP7.

Deprecated:

since Moodle 3.1

set_viable_parents()

question_category_object::set_viable_parents	(	&	$parentstrings,
			$category
	)

Sets the viable parents.

Viable parents are any except for the category itself, or any of it's descendants The parentstrings parameter is passed by reference and changed by this function.

Parameters

array	parentstrings a list of parentstrings
object	category

update_category()

question_category_object::update_category	(		$updateid,
			$newparent,
			$newname,
			$newinfo,
			$newinfoformat = FORMAT_HTML,
			$idnumber = null,
			$redirect = true
	)

Updates an existing category with given params.

Warning! parameter order and meaning confusingly different from add_category in some ways!

Parameters

int	$updateid	id of the category to update.
int	$newparent	'categoryid,contextid' of the parent category to set.
string	$newname	category name.
string	$newinfo	category description.
int | string	$newinfoformat	description format. One of the FORMAT_ constants.
int	$idnumber	the idnumber. '' is converted to null.
bool	$redirect	if true, will redirect once the DB is updated (default).

---

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

• question/category_class.php