core_question\bank\search\condition Class Reference

An abstract class for filtering/searching questions. More...

Inheritance diagram for core_question\bank\search\condition:

Public Member Functions
	display_options ()
	Display GUI for selecting criteria for this condition. More...
	display_options_adv ()
	Display GUI for selecting criteria for this condition. More...
	params ()
	Return parameters to be bound to the above WHERE clause fragment. More...
	where ()
	Return an SQL fragment to be ANDed into the WHERE clause to filter which questions are shown. More...

Detailed Description

An abstract class for filtering/searching questions.

See also question_bank_view::init_search_conditions().

Copyright

2013 Ray Morris

License

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

Member Function Documentation

display_options()

core_question\bank\search\condition::display_options

(

)

Display GUI for selecting criteria for this condition.

Displayed always, whether Show More is open or not.

Compare display_options_adv(), which displays when Show More is open.

Return values

string

HTML form fragment

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

display_options_adv()

core_question\bank\search\condition::display_options_adv

(

)

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

string

HTML form fragment

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

params()

core_question\bank\search\condition::params

(

)

Return parameters to be bound to the above WHERE clause fragment.

Return values

array

parameter name => value.

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

where()

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

abstract

Return an SQL fragment to be ANDed into the WHERE clause to filter which questions are shown.

Return values

string

SQL fragment. Must use named parameters.

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

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

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