Static Public Member Functions
static	get_postdata (question_attempt $qa)
static	update_flag ($qubaid, $questionid, $qaid, $slot, $checksum, $newstate)
static	initialise_js ()
Static Protected Member Functions
static	get_toggle_checksum ($qubaid, $questionid, $qaid, $slot, $user=null)

Detailed Description

Contains the logic for handling question flags.

Copyright:: 2010 The Open University http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

Definition at line 556 of file lib.php.

Member Function Documentation

static get_postdata ( question_attempt $ qa ) [static]

Get the postdata that needs to be sent to question/toggleflag.php to change the flag state. You need to append &newstate=0/1 to this.

Definition at line 579 of file lib.php.

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Get the checksum that validates that a toggle request is valid.

Parameters:

int	$qubaid	the question usage id.
int	$questionid	the question id.
int	$sessionid	the question_attempt id.
object	$user	the user. If null, defaults to $USER.

Returns:: string that needs to be sent to question/toggleflag.php for it to work.

Definition at line 565 of file lib.php.

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static initialise_js ( ) [static]

Definition at line 613 of file lib.php.

If the request seems valid, update the flag state of a question attempt. Throws exceptions if this is not a valid update request.

Parameters:

int	$qubaid	the question usage id.
int	$questionid	the question id.
int	$sessionid	the question_attempt id.
string	$checksum	checksum, as computed by get_toggle_checksum() corresponding to the last three arguments.
bool	$newstate	the new state of the flag. true = flagged.

Definition at line 599 of file lib.php.

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