assign_plugin Class Reference

Abstract class for assign_plugin (submission/feedback). More...

Inheritance diagram for assign_plugin:

Public Member Functions
	__construct (assign $assignment, $type)
	Constructor for the abstract plugin type class.
	can_upgrade ($type, $version)
	Return true if this plugin can upgrade an old Moodle 2.2 assignment of this type and version.
	data_preprocessing (&$defaultvalues)
	Allows the plugin to update the defaultvalues passed in to the settings form (needed to set up draft areas for editor and filemanager elements)
	delete_instance ()
	The assignment has been deleted - remove the plugin specific data.
	disable ()
	Set this plugin to disabled.
	enable ()
	Set this plugin to enabled.
	format_for_log ()
	get_config ($setting=null)
	Get a configuration value for this plugin.
	get_config_file_areas ()
	Get a list of file areas associated with the plugin configuration.
	get_config_for_external ()
	Return the plugin configs for external functions, in some cases the configs will need formatting or be returned only if the current user has some capabilities enabled.
	get_editor_fields ()
	Return a list of the fields that can be exported or imported via text.
	get_editor_format ($name, $submissionid)
	Given a field name, should return the format of an editor field that is part of this plugin.
	get_editor_text ($name, $submissionorgradeid)
	Given a field name, should return the text of an editor field that is part of this plugin.
	get_error ()
	What was the last error?
	get_external_parameters ()
	If this plugin can participate in a webservice (save_submission or save_grade), return a list of external_params to be included in the definition of that webservice.
	get_file_areas ()
	Get file areas returns a list of areas this plugin stores files.
	get_file_info ($browser, $filearea, $itemid, $filepath, $filename)
	Default implementation of file_get_info for plugins.
	get_files (stdClass $submissionorgrade, stdClass $user)
	Produce a list of files suitable for export that represent this feedback or submission.
	get_form_elements ($submissionorgrade, MoodleQuickForm $mform, stdClass $data)
	Get any additional fields for the submission/grading form for this assignment.
	get_form_elements_for_user ($submissionorgrade, MoodleQuickForm $mform, stdClass $data, $userid)
	Get any additional fields for the submission/grading form for this assignment.
	get_name ()
	Should return the name of this plugin type.
	get_requires ()
	Get the required moodle version for this plugin.
	get_settings (MoodleQuickForm $mform)
	This function should be overridden to provide an array of elements that can be added to a moodle form for display in the settings page for the assignment.
	get_sort_order ()
	Get the numerical sort order for this plugin.
	get_subtype ()
	Should return the subtype of this plugin.
	get_type ()
	Should return the type of this plugin.
	get_version ()
	Get the installed version of this plugin.
	has_admin_settings ()
	Has this plugin got a custom settings.php file?
	has_user_summary ()
	If this plugin should not include a column in the grading table or a row on the summary page then return false.
	is_configurable ()
	If true, the plugin will appear on the module settings page and can be enabled/disabled per assignment instance.
	is_empty (stdClass $submissionorgrade)
	Is this assignment plugin empty? (ie no submission or feedback)
	is_enabled ()
	Allows hiding this plugin from the submission/feedback screen if it is not enabled.
	is_first ()
	Is this the first plugin in the list?
	is_last ()
	Is this the last plugin in the list?
	is_visible ()
	Is this plugin enaled?
	save (stdClass $submissionorgrade, stdClass $data)
	Save any custom data for this form submission.
	save_settings (stdClass $formdata)
	The assignment subtype is responsible for saving it's own settings as the database table for the standard type cannot be modified.
	set_config ($name, $value)
	Set a configuration value for this plugin.
	set_editor_format ($name, $format, $submissionorgradeid)
	Given a field name and value should update the format for this field in the plugins submission or grade.
	set_editor_text ($name, $value, $submissionorgradeid)
	Given a field name and value should update the text for this field in the plugins submission or grade.
	upgrade (context $oldcontext, stdClass $oldassignment, stdClass $oldsubmissionorgrade, stdClass $submissionorgrade, & $log)
	Upgrade the submission from the old assignment to the new one.
	upgrade_settings (context $oldcontext, stdClass $oldassignment, & $log)
	Upgrade the settings from the old assignment to the new one.
	view (stdClass $submissionorgrade)
	Should not output anything - return the result as a string so it can be consumed by webservices.
	view_header ()
	This allows a plugin to render an introductory section which is displayed right below the activity's "intro" section on the main assignment page.
	view_page ($action)
	This allows a plugin to render a page in the context of the assignment.
	view_summary (stdClass $submissionorgrade, & $showviewlink)
	Should not output anything - return the result as a string so it can be consumed by webservices.

Static Public Member Functions
static	cron ()
	Run cron for this plugin.

Protected Member Functions
	set_error ($msg)
	Save the error message from the last error.

Protected Attributes
assign	$assignment
	$assignment the assignment record that contains the global settings for this assign instance

Detailed Description

Abstract class for assign_plugin (submission/feedback).

Copyright

2012 NetSpot

License

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

Constructor & Destructor Documentation

__construct()

assign_plugin::__construct ( assign $assignment, $type )

final

Constructor for the abstract plugin type class.

Parameters

assign	$assignment
string	$type

Member Function Documentation

can_upgrade()

assign_plugin::can_upgrade	(		$type,
			$version )

Return true if this plugin can upgrade an old Moodle 2.2 assignment of this type and version.

Parameters

string	$type	The old assignment subtype
int	$version	The old assignment version

Return values

bool	True if upgrade is possible

Reimplemented in assign_feedback_comments, assign_feedback_file, assign_submission_comments, assign_submission_file, and assign_submission_onlinetext.

data_preprocessing()

assign_plugin::data_preprocessing

(

&

$defaultvalues

)

Allows the plugin to update the defaultvalues passed in to the settings form (needed to set up draft areas for editor and filemanager elements)

Parameters

array

$defaultvalues

delete_instance()

assign_plugin::delete_instance

(

)

The assignment has been deleted - remove the plugin specific data.

Return values

bool

Reimplemented in assign_feedback_comments, assign_feedback_editpdf, assign_feedback_file, assign_submission_file, and assign_submission_onlinetext.

disable()

assign_plugin::disable ( )

final

Set this plugin to disabled.

Return values

bool

enable()

assign_plugin::enable ( )

final

Set this plugin to enabled.

Return values

bool

format_for_log()

assign_plugin::format_for_log

(

)

Deprecated

since 2.7

get_config()

assign_plugin::get_config ( $setting = null )

final

Get a configuration value for this plugin.

Parameters

mixed

$setting

The config key (string) or null

Return values

mixed

string | false

get_config_file_areas()

assign_plugin::get_config_file_areas

(

)

Get a list of file areas associated with the plugin configuration.

This is used for backup/restore.

Return values

array

names of the fileareas, can be an empty array

get_config_for_external()

assign_plugin::get_config_for_external

(

)

Return the plugin configs for external functions, in some cases the configs will need formatting or be returned only if the current user has some capabilities enabled.

Return values

array

the list of settings

Since

Moodle 3.2

Reimplemented in assign_feedback_comments, assign_feedback_editpdf, assign_feedback_file, assign_feedback_offline, assign_submission_comments, assign_submission_file, and assign_submission_onlinetext.

get_editor_fields()

assign_plugin::get_editor_fields

(

)

Return a list of the fields that can be exported or imported via text.

Return values

array

- The list of field names (strings) and descriptions. ($name => $description)

Reimplemented in assign_feedback_comments, and assign_submission_onlinetext.

get_editor_format()

assign_plugin::get_editor_format	(		$name,
			$submissionid )

Given a field name, should return the format of an editor field that is part of this plugin.

This is used when exporting to portfolio.

Parameters

string	$name	Name of the field.
int	$submissionid	The id of the submission

Return values

int	- The format for the editor field

Reimplemented in assign_submission_onlinetext.

get_editor_text()

assign_plugin::get_editor_text	(		$name,
			$submissionorgradeid )

Given a field name, should return the text of an editor field that is part of this plugin.

This is used when exporting to portfolio.

Parameters

string	$name	Name of the field.
int	$submissionorgradeid	The id of the submission or grade

Return values

string

- The text for the editor field

Reimplemented in assign_feedback_comments, and assign_submission_onlinetext.

get_error()

assign_plugin::get_error ( )

final

What was the last error?

Return values

string

get_external_parameters()

assign_plugin::get_external_parameters

(

)

If this plugin can participate in a webservice (save_submission or save_grade), return a list of external_params to be included in the definition of that webservice.

Return values

external_description|null

Reimplemented in assign_feedback_comments, assign_feedback_file, assign_submission_file, and assign_submission_onlinetext.

get_file_areas()

assign_plugin::get_file_areas

(

)

Get file areas returns a list of areas this plugin stores files.

Return values

array

- An array of fileareas (keys) and descriptions (values)

Reimplemented in assign_feedback_comments, assign_feedback_editpdf, assign_feedback_file, assign_submission_file, and assign_submission_onlinetext.

get_file_info()

assign_plugin::get_file_info	(		$browser,
			$filearea,
			$itemid,
			$filepath,
			$filename )

Default implementation of file_get_info for plugins.

This is used by the filebrowser to browse a plugins file areas.

This implementation should work for most plugins but can be overridden if required.

Parameters

file_browser	$browser
string	$filearea
int	$itemid
string	$filepath
string	$filename

Return values

file_info_stored

get_files()

assign_plugin::get_files	(	stdClass	$submissionorgrade,
		stdClass	$user )

Produce a list of files suitable for export that represent this feedback or submission.

Parameters

stdClass	$submissionorgrade	assign_submission or assign_grade For submission plugins this is the submission data, for feedback plugins it is the grade data
stdClass	$user	The user record for the current submission. Needed for url rewriting if this is a group submission.

Return values

array

- return an array of files indexed by filename

Reimplemented in assign_submission_file, and assign_submission_onlinetext.

get_form_elements()

assign_plugin::get_form_elements	(		$submissionorgrade,
		MoodleQuickForm	$mform,
		stdClass	$data )

Get any additional fields for the submission/grading form for this assignment.

This function is retained for backwards compatibility - new plugins should override get_form_elements_for_user().

Parameters

mixed	$submissionorgrade	submission|grade - For submission plugins this is the submission data, for feedback plugins it is the grade data
MoodleQuickForm	$mform	- This is the form
stdClass	$data	- This is the form data that can be modified for example by a filemanager element

Return values

boolean

- true if we added anything to the form

Reimplemented in assign_feedback_offline, assign_submission_file, and assign_submission_onlinetext.

get_form_elements_for_user()

assign_plugin::get_form_elements_for_user	(		$submissionorgrade,
		MoodleQuickForm	$mform,
		stdClass	$data,
			$userid )

Get any additional fields for the submission/grading form for this assignment.

Parameters

mixed	$submissionorgrade	submission|grade - For submission plugins this is the submission data, for feedback plugins it is the grade data
MoodleQuickForm	$mform	- This is the form
stdClass	$data	- This is the form data that can be modified for example by a filemanager element
int	$userid	- This is the userid for the current submission. This is passed separately as there may not yet be a submission or grade.

Return values

boolean

- true if we added anything to the form

Reimplemented in assign_feedback_comments, assign_feedback_editpdf, and assign_feedback_file.

get_name()

assign_plugin::get_name ( )

abstract

Should return the name of this plugin type.

Return values

string

- the name

Reimplemented in assign_feedback_comments, assign_feedback_editpdf, assign_feedback_file, assign_feedback_offline, assign_submission_comments, assign_submission_file, and assign_submission_onlinetext.

get_requires()

assign_plugin::get_requires ( )

final

Get the required moodle version for this plugin.

Return values

string

get_settings()

assign_plugin::get_settings

(

MoodleQuickForm

$mform

)

This function should be overridden to provide an array of elements that can be added to a moodle form for display in the settings page for the assignment.

Parameters

MoodleQuickForm

$mform

The form to add the elements to

Return values

$array

Reimplemented in assign_feedback_comments, assign_submission_file, and assign_submission_onlinetext.

get_sort_order()

assign_plugin::get_sort_order ( )

final

Get the numerical sort order for this plugin.

Return values

int

get_subtype()

assign_plugin::get_subtype ( )

abstract

Should return the subtype of this plugin.

Return values

string

- either 'assignsubmission' or 'feedback'

Reimplemented in assign_feedback_plugin, and assign_submission_plugin.

get_type()

assign_plugin::get_type ( )

final

Should return the type of this plugin.

Return values

string

- the type

get_version()

assign_plugin::get_version ( )

final

Get the installed version of this plugin.

Return values

string

has_admin_settings()

assign_plugin::has_admin_settings ( )

final

Has this plugin got a custom settings.php file?

Return values

bool

has_user_summary()

assign_plugin::has_user_summary

(

)

If this plugin should not include a column in the grading table or a row on the summary page then return false.

Return values

bool

Reimplemented in assign_feedback_offline.

is_configurable()

assign_plugin::is_configurable

(

)

If true, the plugin will appear on the module settings page and can be enabled/disabled per assignment instance.

Return values

bool

Reimplemented in assign_feedback_editpdf, and assign_submission_comments.

is_empty()

assign_plugin::is_empty

(

stdClass

$submissionorgrade

)

Is this assignment plugin empty? (ie no submission or feedback)

Parameters

stdClass

$submissionorgrade

assign_submission or assign_grade

Return values

bool

Reimplemented in assign_feedback_comments, assign_feedback_editpdf, assign_feedback_file, assign_feedback_offline, assign_submission_comments, assign_submission_file, and assign_submission_onlinetext.

is_enabled()

assign_plugin::is_enabled

(

)

Allows hiding this plugin from the submission/feedback screen if it is not enabled.

Return values

bool	- if false - this plugin will not accept submissions / feedback

Reimplemented in assign_feedback_offline, and assign_submission_comments.

is_first()

assign_plugin::is_first ( )

final

Is this the first plugin in the list?

Return values

bool

is_last()

assign_plugin::is_last ( )

final

Is this the last plugin in the list?

Return values

bool

is_visible()

assign_plugin::is_visible ( )

final

Is this plugin enaled?

Return values

bool

save()

assign_plugin::save	(	stdClass	$submissionorgrade,
		stdClass	$data )

Save any custom data for this form submission.

Parameters

stdClass	$submissionorgrade	- assign_submission or assign_grade. For submission plugins this is the submission data, for feedback plugins it is the grade data
stdClass	$data	- the data submitted from the form

Return values

bool	- on error the subtype should call set_error and return false.

Reimplemented in assign_feedback_comments, assign_feedback_editpdf, assign_feedback_file, assign_submission_file, and assign_submission_onlinetext.

save_settings()

assign_plugin::save_settings

(

stdClass

$formdata

)

The assignment subtype is responsible for saving it's own settings as the database table for the standard type cannot be modified.

Parameters

stdClass

$formdata

- the data submitted from the form

Return values

bool	- on error the subtype should call set_error and return false.

Reimplemented in assign_feedback_comments, assign_submission_file, and assign_submission_onlinetext.

set_config()

assign_plugin::set_config ( $name, $value )

final

Set a configuration value for this plugin.

Parameters

string	$name	The config key
string	$value	The config value

Return values

bool

set_editor_format()

assign_plugin::set_editor_format	(		$name,
			$format,
			$submissionorgradeid )

Given a field name and value should update the format for this field in the plugins submission or grade.

Parameters

string	$name	Name of the field.
int	$format	Updated format.
int	$submissionorgradeid	The id of the submission or grade.

Return values

bool	- true if the value was updated

set_editor_text()

assign_plugin::set_editor_text	(		$name,
			$value,
			$submissionorgradeid )

Given a field name and value should update the text for this field in the plugins submission or grade.

Parameters

string	$name	Name of the field.
string	$value	Updated text
int	$submissionorgradeid	The id of the submission or grade

Return values

bool	- true if the value was updated

Reimplemented in assign_feedback_comments.

set_error()

assign_plugin::set_error ( $msg )

finalprotected

Save the error message from the last error.

Parameters

string

$msg

- the error description

upgrade()

assign_plugin::upgrade	(	context	$oldcontext,
		stdClass	$oldassignment,
		stdClass	$oldsubmissionorgrade,
		stdClass	$submissionorgrade,
		&	$log )

Upgrade the submission from the old assignment to the new one.

Parameters

context	$oldcontext	The data record for the old context
stdClass	$oldassignment	The data record for the old assignment
stdClass	$oldsubmissionorgrade	The data record for the old submission
stdClass	$submissionorgrade	assign_submission or assign_grade The new submission or grade
string	$log	Record upgrade messages in the log

Return values

boolean

true or false - false will trigger a rollback

Reimplemented in assign_feedback_comments, assign_feedback_file, assign_submission_comments, assign_submission_file, and assign_submission_onlinetext.

upgrade_settings()

assign_plugin::upgrade_settings	(	context	$oldcontext,
		stdClass	$oldassignment,
		&	$log )

Upgrade the settings from the old assignment to the new one.

Parameters

context	$oldcontext	The context for the old assignment module
stdClass	$oldassignment	The data record for the old assignment
string	$log	Record upgrade messages in the log

Return values

bool	true or false - false will trigger a rollback

Reimplemented in assign_feedback_comments, assign_feedback_file, assign_submission_comments, assign_submission_file, and assign_submission_onlinetext.

view()

assign_plugin::view

(

stdClass

$submissionorgrade

)

Should not output anything - return the result as a string so it can be consumed by webservices.

Parameters

stdClass

$submissionorgrade

assign_submission or assign_grade For submission plugins this is the submission data, for feedback plugins it is the grade data

Return values

string

- return a string representation of the submission in full

Reimplemented in assign_feedback_comments, assign_feedback_editpdf, assign_feedback_file, assign_submission_file, and assign_submission_onlinetext.

view_header()

assign_plugin::view_header

(

)

This allows a plugin to render an introductory section which is displayed right below the activity's "intro" section on the main assignment page.

Return values

string

view_page()

assign_plugin::view_page

(

$action

)

This allows a plugin to render a page in the context of the assignment.

If the plugin creates a link to the assignment view.php page with The following required parameters: id=coursemoduleid plugin=type pluginsubtype=assignfeedback|assignsubmission pluginaction=customaction

Then this function will be called to display the page with the pluginaction passed as action

Parameters

string

$action

The plugin specified action

Return values

string

Reimplemented in assign_feedback_file, and assign_feedback_offline.

view_summary()

assign_plugin::view_summary	(	stdClass	$submissionorgrade,
		&	$showviewlink )

Should not output anything - return the result as a string so it can be consumed by webservices.

Parameters

stdClass	$submissionorgrade	assign_submission or assign_grade For submission plugins this is the submission data, for feedback plugins it is the grade data
bool	$showviewlink	Modifed to return whether or not to show a link to the full submission/feedback

Return values

string

- return a string representation of the submission in full

Reimplemented in assign_feedback_comments, assign_feedback_editpdf, assign_feedback_file, assign_submission_comments, assign_submission_file, and assign_submission_onlinetext.

---

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

• mod/assign/assignmentplugin.php