core_customfield\field_controller Class Reference

Base class for custom fields controllers. More...

Inheritance diagram for core_customfield\field_controller:

Public Member Functions
	__construct (int $id=0, stdClass $record=null)
	Constructor.
	config_form_definition (\MoodleQuickForm $mform)
	Add specific settings to the field configuration form, for example "default value".
	config_form_validation (array $data, $files=array())
	Validate the data on the field configuration form.
	course_grouping_format_values ($values)
	If this field supports course filtering, then this function needs overriding to return the formatted values for this.
	delete ()
	Delete a field and all associated data.
	get (string $property)
	Persistent getter parser.
	get_category ()
	Get the category associated with this field.
	get_configdata_property (string $property)
	Get configdata property.
	get_formatted_name ()
	Returns the field name formatted according to configuration context.
	get_handler ()
	Returns a handler for this field.
	parse_value (string $value)
	Perform pre-processing of field values, for example those that originate from an external source (e.g.
	prepare_for_config_form (\stdClass $formdata)
	Prepare the field data to set in the configuration form.
	save ()
	Save or update the persistent class to database.
	set ($property, $value)
	Persistent setter parser.
	supports_course_grouping ()
	Does this custom field type support being used as part of the block_myoverview custom field grouping?
	to_record ()
	Persistent to_record parser.

Static Public Member Functions
static	create (int $id, stdClass $record=null, category_controller $category=null)
	Creates an instance of field_controller.

Protected Attributes
category_controller	$category
	Category of the field.
field	$field
	Field persistent class.

Detailed Description

Base class for custom fields controllers.

This class is a wrapper around the persistent field class that allows to define the field configuration

Custom field plugins must define a class {pluginname}field_controller extends core_customfield\field_controller

Copyright

2018 Toni Barbera toni@.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_customfield\field_controller::__construct	(	int	$id = 0,
		stdClass	$record = null )

Constructor.

Parameters

int	$id
stdClass | null	$record

Member Function Documentation

config_form_definition()

core_customfield\field_controller::config_form_definition ( \MoodleQuickForm $mform )

abstract

Add specific settings to the field configuration form, for example "default value".

Parameters

MoodleQuickForm

$mform

Reimplemented in customfield_checkbox\field_controller, customfield_date\field_controller, customfield_select\field_controller, customfield_text\field_controller, and customfield_textarea\field_controller.

config_form_validation()

core_customfield\field_controller::config_form_validation	(	array	$data,
			$files = array() )

Validate the data on the field configuration form.

Plugins can override it

Parameters

array	$data	from the add/edit profile field form
array	$files

Return values

array

associative array of error messages

Reimplemented in customfield_checkbox\field_controller, customfield_date\field_controller, customfield_select\field_controller, and customfield_text\field_controller.

course_grouping_format_values()

core_customfield\field_controller::course_grouping_format_values

(

$values

)

If this field supports course filtering, then this function needs overriding to return the formatted values for this.

Parameters

array

$values

the used values that need grouping

Return values

array

Reimplemented in customfield_checkbox\field_controller, customfield_date\field_controller, customfield_select\field_controller, and customfield_text\field_controller.

create()

static core_customfield\field_controller::create ( int $id, stdClass $record = null, category_controller $category = null )

static

Creates an instance of field_controller.

Parameters $id, $record and $category can complement each other but not conflict. If $id is not specified, categoryid must be present either in $record or in $category. If $id is not specified, type must be present in $record

No DB queries are performed if both $record and $category are specified.

Parameters

int	$id
stdClass | null	$record
category_controller | null	$category

Return values

field_controller

will return the instance of the class from the customfield element plugin

Exceptions

coding_exception
moodle_exception

delete()

core_customfield\field_controller::delete

(

)

Delete a field and all associated data.

Plugins may override it if it is necessary to delete related data (such as files)

Not that the delete() method from data_controller is not called here.

Return values

bool

Reimplemented in customfield_textarea\field_controller.

get()

core_customfield\field_controller::get ( string $property )

final

Persistent getter parser.

Parameters

string

$property

Return values

mixed

get_category()

core_customfield\field_controller::get_category ( )

final

Get the category associated with this field.

Return values

category_controller

get_configdata_property()

core_customfield\field_controller::get_configdata_property

(

string

$property

)

Get configdata property.

Parameters

string

$property

name of the property

Return values

mixed

get_formatted_name()

core_customfield\field_controller::get_formatted_name

(

)

Returns the field name formatted according to configuration context.

Return values

string

get_handler()

core_customfield\field_controller::get_handler ( )

final

Returns a handler for this field.

Return values

handler

parse_value()

core_customfield\field_controller::parse_value

(

string

$value

)

Perform pre-processing of field values, for example those that originate from an external source (e.g.

upload course tool)

Override in plugin classes as necessary

Parameters

string

$value

Return values

mixed

Reimplemented in customfield_date\field_controller, and customfield_select\field_controller.

prepare_for_config_form()

core_customfield\field_controller::prepare_for_config_form

(

\stdClass

$formdata

)

Prepare the field data to set in the configuration form.

Plugin can override if some preprocessing required for editor or filemanager fields

Parameters

stdClass

$formdata

Reimplemented in customfield_textarea\field_controller.

save()

core_customfield\field_controller::save

(

)

Save or update the persistent class to database.

Return values

void

Reimplemented in customfield_textarea\field_controller.

set()

core_customfield\field_controller::set ( $property, $value )

final

Persistent setter parser.

Parameters

string	$property
mixed	$value

Return values

field

supports_course_grouping()

core_customfield\field_controller::supports_course_grouping

(

)

Does this custom field type support being used as part of the block_myoverview custom field grouping?

Return values

bool

Reimplemented in customfield_checkbox\field_controller, customfield_date\field_controller, customfield_select\field_controller, and customfield_text\field_controller.

to_record()

core_customfield\field_controller::to_record ( )

final

Persistent to_record parser.

Return values

stdClass

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

• customfield/classes/field_controller.php