core_question\bank\search\tag_condition Class Reference

Question bank search class to allow searching/filtering by tags on a question. More...

Inheritance diagram for core_question\bank\search\tag_condition:

Public Member Functions
	__construct (array $contexts, array $selectedtagids=[])
	Constructor.
	display_options ()
	Print HTML to display the list of tags to filter by.
	display_options_adv ()
	Display GUI for selecting criteria for this condition.
	params ()
	Named SQL params to be used with the SQL WHERE snippet.
	where ()
	Get the SQL WHERE snippet to be used in the SQL to retrieve the list of questions.

Protected Attributes
array	$contexts
	List of contexts to show tags from.
array	$params
	Named SQL params to be used with the SQL WHERE snippet.
array	$selectedtagids
	List of IDs for tags that have been selected in the form.
string	$where
	SQL fragment to add to the where clause.

Detailed Description

Question bank search class to allow searching/filtering by tags on a question.

Copyright

2018 Ryan Wyllie ryan@.nosp@m.mood.nosp@m.le.co.nosp@m.m

License

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

Constructor & Destructor Documentation

__construct()

core_question\bank\search\tag_condition::__construct	(	array	$contexts,
		array	$selectedtagids = [] )

Constructor.

Parameters

array	$contexts	List of contexts to show tags from
int[]	$selectedtagids	List of IDs for tags to filter by.

Exceptions

coding_exception
dml_exception

Member Function Documentation

display_options()

core_question\bank\search\tag_condition::display_options

(

)

Print HTML to display the list of tags to filter by.

Reimplemented from core_question\bank\search\condition.

display_options_adv()

core_question\bank\search\condition::display_options_adv ( )

inherited

Display GUI for selecting criteria for this condition.

Displayed when Show More is open.

Compare display_options(), which displays always, whether Show More is open or not.

Return values

bool|string

HTML form fragment

Reimplemented in core_question\bank\search\category_condition, and core_question\bank\search\hidden_condition.

params()

core_question\bank\search\tag_condition::params

(

)

Named SQL params to be used with the SQL WHERE snippet.

Return values

array

Reimplemented from core_question\bank\search\condition.

where()

core_question\bank\search\tag_condition::where

(

)

Get the SQL WHERE snippet to be used in the SQL to retrieve the list of questions.

This SQL snippet will add the logic for the tag condition.

Return values

string

Reimplemented from core_question\bank\search\condition.

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

• question/classes/bank/search/tag_condition.php