gradingform_guide_instance Class Reference

Class to manage one guide grading instance. More...

Inheritance diagram for gradingform_guide_instance:

Public Member Functions
	cancel ()
	Deletes this (INCOMPLETE) instance from database. More...
	clear_attempt ($data)
	Removes the attempt from the gradingform_guide_fillings table. More...
	copy ($raterid, $itemid)
	Duplicates the instance before editing (optionally substitutes raterid and/or itemid with the specified values) More...
	default_validation_error_message ()
	Returns the error message displayed if validation failed. More...
	get_controller ()
	Returns the controller. More...
	get_current_instance ()
	Returns the current (active or needupdate) instance for the same raterid and itemid as this instance. More...
	get_data ($key)
	Returns the specified element from object $this->data. More...
	get_grade ()
	Calculates the grade to be pushed to the gradebook. More...
	get_guide_filling ($force=false)
	Retrieves from DB and returns the data how this guide was filled. More...
	get_id ()
	Returns instance id. More...
	get_status ()
	Returns instance status. More...
	is_empty_form ($elementvalue)
	Determines whether the submitted form was empty. More...
	render_grading_element ($page, $gradingformelement)
	Returns html for form element of type 'grading'. More...
	submit_and_get_grade ($elementvalue, $itemid)
	Called when teacher submits the grading form: updates the instance in DB, marks it as ACTIVE and returns the grade to be pushed to the gradebook. More...
	update ($data)
	Updates the instance with the data received from grading form. More...
	validate_grading_element ($elementvalue)
	Validates that guide is fully completed and contains valid grade on each criterion. More...

Static Public Member Functions
static	create_new ($definitionid, $raterid, $itemid)
	Creates a new empty instance in DB and mark its status as INCOMPLETE. More...

Public Attributes
const	INSTANCE_STATUS_ACTIVE = 1
	Valid istance status.
const	INSTANCE_STATUS_ARCHIVE = 3
	Grader re-graded the student and this is the status for previous grade stored as history.
const	INSTANCE_STATUS_INCOMPLETE = 0
	The grader started grading but did clicked neither submit nor cancel.
const	INSTANCE_STATUS_NEEDUPDATE = 2
	The grade needs to be updated by grader (usually because of changes is grading method)

Protected Member Functions
	make_active ()
	Marks the instance as ACTIVE and current active instance (if exists) as ARCHIVE.

Protected Attributes
gradingform_controller	$controller
	link to the corresponding controller
stdClass	$data
	record from table grading_instances
array	$guide
array	$validationerrors = array()
	An array of validation errors.

Detailed Description

Class to manage one guide grading instance.

Stores information and performs actions like update, copy, validate, submit, etc.

Copyright

2012 Dan Marsden dan@d.nosp@m.anma.nosp@m.rsden.nosp@m..com

License

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

Member Function Documentation

cancel()

gradingform_guide_instance::cancel

(

)

Deletes this (INCOMPLETE) instance from database.

Reimplemented from gradingform_instance.

clear_attempt()

gradingform_guide_instance::clear_attempt

(

$data

)

Removes the attempt from the gradingform_guide_fillings table.

Parameters

array

$data

the attempt data

Reimplemented from gradingform_instance.

copy()

gradingform_guide_instance::copy	(		$raterid,
			$itemid
	)

Duplicates the instance before editing (optionally substitutes raterid and/or itemid with the specified values)

Parameters

int	$raterid	value for raterid in the duplicate
int	$itemid	value for itemid in the duplicate

Return values

int	id of the new instance

Reimplemented from gradingform_instance.

create_new()

static gradingform_instance::create_new (   $definitionid,   $raterid,   $itemid  )

staticinherited

Creates a new empty instance in DB and mark its status as INCOMPLETE.

Parameters

int	$definitionid
int	$raterid
int	$itemid

Return values

int	id of the created instance

default_validation_error_message()

gradingform_instance::default_validation_error_message ( )

inherited

Returns the error message displayed if validation failed.

If plugin wants to display custom message, the empty string should be returned here and the custom message should be output in render_grading_element()

Please note that in assignments grading in 2.2 the grading form is not validated properly and this message is not being displayed.

See also

validate_grading_element()

Return values

string

get_controller()

gradingform_instance::get_controller ( )

inherited

Returns the controller.

Return values

gradingform_controller

get_current_instance()

gradingform_instance::get_current_instance ( )

inherited

Returns the current (active or needupdate) instance for the same raterid and itemid as this instance.

This function is useful to find the status of the currently modified instance

Return values

gradingform_instance

get_data()

gradingform_instance::get_data (   $key )

inherited

Returns the specified element from object $this->data.

Parameters

string

$key

Return values

mixed

get_grade()

gradingform_guide_instance::get_grade

(

)

Calculates the grade to be pushed to the gradebook.

Return values

float|int

the valid grade from $this->get_controller()->get_grade_range()

Reimplemented from gradingform_instance.

get_guide_filling()

gradingform_guide_instance::get_guide_filling

(

$force = false

)

Retrieves from DB and returns the data how this guide was filled.

Parameters

bool

$force

whether to force DB query even if the data is cached

Return values

array

get_id()

gradingform_instance::get_id ( )

inherited

Returns instance id.

Return values

int

get_status()

gradingform_instance::get_status ( )

inherited

Returns instance status.

Return values

int

is_empty_form()

gradingform_guide_instance::is_empty_form

(

$elementvalue

)

Determines whether the submitted form was empty.

Parameters

array

$elementvalue

value of element submitted from the form

Return values

boolean

true if the form is empty

Reimplemented from gradingform_instance.

render_grading_element()

gradingform_guide_instance::render_grading_element	(		$page,
			$gradingformelement
	)

Returns html for form element of type 'grading'.

Parameters

moodle_page	$page
MoodleQuickForm_grading	$gradingformelement

Return values

string

Reimplemented from gradingform_instance.

submit_and_get_grade()

gradingform_instance::submit_and_get_grade (   $elementvalue,   $itemid  )

inherited

Called when teacher submits the grading form: updates the instance in DB, marks it as ACTIVE and returns the grade to be pushed to the gradebook.

$itemid must be specified here (it was not required when the instance was created, because it might not existed in draft)

Parameters

array	$elementvalue
int	$itemid

Return values

int	the grade on 0-100 scale

update()

gradingform_guide_instance::update

(

$data

)

Updates the instance with the data received from grading form.

This function may be called via AJAX when grading is not yet completed, so it does not change the status of the instance.

Parameters

array

$data

Reimplemented from gradingform_instance.

validate_grading_element()

gradingform_guide_instance::validate_grading_element

(

$elementvalue

)

Validates that guide is fully completed and contains valid grade on each criterion.

Parameters

array

$elementvalue

value of element as came in form submit

Return values

boolean

true if the form data is validated and contains no errors

Reimplemented from gradingform_instance.

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

• grade/grading/form/guide/lib.php