mod_quiz\admin\user_image_setting Class Reference

Inheritance diagram for mod_quiz\admin\user_image_setting:

Public Member Functions
	add_dependent_on ($dependenton)
	Add a setting to the list of those that could cause this one to be hidden.
	config_read ($name)
	Returns the config if possible.
	config_write ($name, $value)
	Used to set a config pair and log change.
	get_defaultsetting ()
	Returns default setting if exists.
	get_dependent_on ()
	Get a list of the settings that could cause this one to be hidden.
	get_force_ltr ()
	Get whether this should be displayed in LTR mode.
	get_full_name ()
	Returns the fullname prefixed by the plugin.
	get_id ()
	Returns the ID string based on plugin and name.
	get_setting ()
	Return the setting.
	get_setting_flag_defaults (& $defaults)
	Get the list of defaults for the flags on this setting.
	get_setting_flag_value (admin_setting_flag $flag)
	Get the currently saved value for a setting flag.
	has_custom_form_control ()
	Whether this setting uses a custom form control.
	is_forceable ()
	Whether the setting can be overridden in config.php.
	is_readonly ()
	Is this option forced in config.php?
	is_related ($query)
	Check if this is $query is related to a choice.
	load_choices ()
	This function may be used in ancestors for lazy loading of choices.
	output_html ($data, $query='')
	Returns XHTML select field and wrapping div(s)
	output_select_html ($data, $current, $default, $extraname='')
	Returns XHTML select field.
	output_setting_flags ()
	Output the input fields for the advanced and locked flags on this setting.
	post_write_settings ($original)
	Execute postupdatecallback if necessary.
	set_advanced_flag_options ($enabled, $default)
	Set the advanced options flag on this admin setting.
	set_affects_modinfo ($affectsmodinfo)
	set_enabled_flag_options ($enabled, $default)
	Set the enabled options flag on this admin setting.
	set_force_ltr ($value)
	Set whether to force LTR or not.
	set_locked_flag_options ($enabled, $default)
	Set the locked options flag on this admin setting.
	set_required_flag_options ($enabled, $default)
	Set the required options flag on this admin setting.
	set_updatedcallback ($functionname)
	Function called if setting updated - cleanup, cache reset, etc.
	set_validate_function (?callable $validatefunction=null)
	Sets a validate function.
	write_setting ($data)
	Save a setting.
	write_setting_flags ($data)
	Write the values of the flags for this admin setting.

Public Attributes
bool	$affectsmodinfo = false
	if set, indicates that a change to this setting requires rebuild course cache
array	$choices
	Array of choices value=>label.
mixed	$defaultsetting
	Can be string or array of string.
string	$description
	localised long description in Markdown format
string	$name
	unique ascii name, either 'mysetting' for settings that in config, or 'myplugin/mysetting' for ones in config_plugins.
bool	$nosave = false
	true indicates this setting does not actually save anything, just information
array	$optgroups
	Array of choices grouped using optgroups.
mixed	$paramtype
	int means PARAM_XXX type, string is a allowed format in regex
mixed	$plugin
	can be String or Null.
string	$updatedcallback
lang_string string	$visiblename
	localised name

Protected Member Functions
	add_to_config_log ($name, $oldvalue, $value)
	Log config changes if necessary.
	set_flag_options ($enabled, $default, $shortname, $displayname)
	Generic function to add a flag to this admin setting.
	validate_setting (string $data)
	Validate the setting.

Protected Attributes
callable null	$choiceloader = null
	Loader function for choices.
bool	$customcontrol = false
	Whether this setting uses a custom form control.
callable null	$validatefunction = null
	Validation function.

Detailed Description

Copyright

2011 The Open University

License

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

Member Function Documentation

add_dependent_on()

admin_setting::add_dependent_on ( $dependenton )

inherited

Add a setting to the list of those that could cause this one to be hidden.

Parameters

string

$dependenton

add_to_config_log()

admin_setting::add_to_config_log ( $name, $oldvalue, $value )

protectedinherited

Log config changes if necessary.

Parameters

string	$name
string	$oldvalue
string	$value

Reimplemented in admin_setting_configpasswordunmask.

config_read()

admin_setting::config_read ( $name )

inherited

Returns the config if possible.

Return values

mixed

returns config if successful else null

Reimplemented in enrol_flatfile_role_setting.

config_write()

admin_setting::config_write ( $name, $value )

inherited

Used to set a config pair and log change.

Parameters

string	$name
mixed	$value	Gets converted to string if not null

Return values

bool	Write setting to config table

Reimplemented in enrol_flatfile_role_setting.

get_defaultsetting()

admin_setting::get_defaultsetting ( )

inherited

Returns default setting if exists.

Return values

mixed

array or string depending on instance; NULL means no default, user must supply

Reimplemented in admin_setting_description, admin_setting_heading, admin_setting_manage_plugins, admin_setting_manageantiviruses, admin_setting_manageauths, admin_setting_managecontentbankcontenttypes, admin_setting_managecustomfields, admin_setting_managedataformats, admin_setting_manageenrols, admin_setting_manageexternalservices, admin_setting_manageformats, admin_setting_managemediaplayers, admin_setting_managerepository, admin_setting_managewebserviceprotocols, admin_setting_php_extension_enabled, admin_setting_pickroles, admin_setting_searchsetupinfo, admin_setting_special_registerauth, admin_setting_users_with_capability, admin_setting_webservicesoverview, core_admin\admin\admin_setting_plugin_manager, core_question\admin\manage_qbank_plugins_page, editor_atto_subplugins_setting, enrol_lti\local\ltiadvantage\admin\admin_setting_registeredplatforms, mod_glossary_admin_setting_display_formats, and tool_log_setting_managestores.

get_dependent_on()

admin_setting::get_dependent_on ( )

inherited

Get a list of the settings that could cause this one to be hidden.

Return values

array

get_force_ltr()

admin_setting::get_force_ltr ( )

inherited

Get whether this should be displayed in LTR mode.

Return values

bool|null

Reimplemented in admin_setting_configtext, and admin_setting_filetypes.

get_full_name()

admin_setting::get_full_name ( )

inherited

Returns the fullname prefixed by the plugin.

Return values

string

Reimplemented in admin_setting_managerepository.

get_id()

admin_setting::get_id ( )

inherited

Returns the ID string based on plugin and name.

Return values

string

get_setting()

admin_setting_configselect::get_setting ( )

inherited

Return the setting.

Return values

mixed

returns config if successful else null

Reimplemented from admin_setting.

Reimplemented in admin_setting_configmultiselect, admin_setting_sitesetselect, admin_setting_special_selectsetup, admin_setting_users_with_capability, and core_admin\local\settings\autocomplete.

get_setting_flag_defaults()

admin_setting::get_setting_flag_defaults ( & $defaults )

inherited

Get the list of defaults for the flags on this setting.

Parameters

array

of strings describing the defaults for this setting. This is appended to by this function.

get_setting_flag_value()

admin_setting::get_setting_flag_value ( admin_setting_flag $flag )

inherited

Get the currently saved value for a setting flag.

Parameters

admin_setting_flag

$flag

- One of the admin_setting_flag for this admin_setting.

Return values

bool

has_custom_form_control()

admin_setting::has_custom_form_control ( )

inherited

Whether this setting uses a custom form control.

This function is especially useful to decide if we should render a label element for this setting or not.

Return values

bool

is_forceable()

admin_setting::is_forceable ( )

inherited

Whether the setting can be overridden in config.php.

Returning true will allow the setting to be defined and overridden in config.php. Returning false will prevent the config setting from being overridden even when it gets defined in config.php.

Return values

bool

Reimplemented in admin_setting_sitesetcheckbox, admin_setting_sitesetselect, admin_setting_sitesettext, and admin_setting_special_frontpagedesc.

is_readonly()

admin_setting::is_readonly ( )

inherited

Is this option forced in config.php?

Return values

bool

is_related()

admin_setting_configselect::is_related ( $query )

inherited

Check if this is $query is related to a choice.

Parameters

string

$query

Return values

bool	true if related, false if not

Reimplemented from admin_setting.

Reimplemented in admin_setting_configmultiselect.

load_choices()

mod_quiz\admin\user_image_setting::load_choices

(

)

This function may be used in ancestors for lazy loading of choices.

Override this method if loading of choices is expensive, such as when it requires multiple db requests.

Return values

bool	true if loaded, false if error

Reimplemented from admin_setting_configselect.

output_html()

admin_setting_configselect::output_html ( $data, $query = '' )

inherited

Returns XHTML select field and wrapping div(s)

See also

output_select_html()

Parameters

string	$data	the option to show as selected
string	$query

Return values

string

XHTML field and wrapping div

Reimplemented from admin_setting.

Reimplemented in admin_setting_configmultiselect, admin_setting_configselect_autocomplete, and core_admin\local\settings\autocomplete.

output_select_html()

admin_setting_configselect::output_select_html ( $data, $current, $default, $extraname = '' )

inherited

Returns XHTML select field.

Ensure the options are loaded, and generate the XHTML for the select element and any warning message. Separating this out from output_html makes it easier to subclass this class.

Parameters

string	$data	the option to show as selected.
string	$current	the currently selected option in the database, null if none.
string	$default	the default selected option.

Return values

array

the HTML for the select element, and a warning message.

Deprecated

since Moodle 3.2

output_setting_flags()

admin_setting::output_setting_flags ( )

inherited

Output the input fields for the advanced and locked flags on this setting.

Parameters

bool	$adv	- The current value of the advanced flag.
bool	$locked	- The current value of the locked flag.

Return values

string\$output

- The html for the flags.

post_write_settings()

admin_setting::post_write_settings ( $original )

inherited

Execute postupdatecallback if necessary.

Parameters

mixed

$original

original value before write_setting()

Return values

bool	true if changed, false if not.

Reimplemented in admin_setting_configstoredfile.

set_advanced_flag_options()

admin_setting::set_advanced_flag_options ( $enabled, $default )

inherited

Set the advanced options flag on this admin setting.

Parameters

bool	$enabled	- One of self\OPTION_ENABLED or self\OPTION_DISABLED
bool	$default	- The default for the flag

set_affects_modinfo()

admin_setting::set_affects_modinfo ( $affectsmodinfo )

inherited

Parameters

bool

$affectsmodinfo

If true, changes to this setting will cause the course cache to be rebuilt

set_enabled_flag_options()

admin_setting::set_enabled_flag_options ( $enabled, $default )

inherited

Set the enabled options flag on this admin setting.

Parameters

bool	$enabled	- One of self\OPTION_ENABLED or self\OPTION_DISABLED
bool	$default	- The default for the flag

set_flag_options()

admin_setting::set_flag_options ( $enabled, $default, $shortname, $displayname )

protectedinherited

Generic function to add a flag to this admin setting.

Parameters

bool	$enabled	- One of self\OPTION_ENABLED or self\OPTION_DISABLED
bool	$default	- The default for the flag
string	$shortname	- The shortname for this flag. Used as a suffix for the setting name.
string	$displayname	- The display name for this flag. Used as a label next to the checkbox.

set_force_ltr()

admin_setting::set_force_ltr ( $value )

inherited

Set whether to force LTR or not.

Parameters

bool

$value

True when forced, false when not force, null when unknown.

set_locked_flag_options()

admin_setting::set_locked_flag_options ( $enabled, $default )

inherited

Set the locked options flag on this admin setting.

Parameters

bool	$enabled	- One of self\OPTION_ENABLED or self\OPTION_DISABLED
bool	$default	- The default for the flag

set_required_flag_options()

admin_setting::set_required_flag_options ( $enabled, $default )

inherited

Set the required options flag on this admin setting.

Parameters

bool	$enabled	- One of self\OPTION_ENABLED or self\OPTION_DISABLED.
bool	$default	- The default for the flag.

set_updatedcallback()

admin_setting::set_updatedcallback ( $functionname )

inherited

Function called if setting updated - cleanup, cache reset, etc.

Parameters

string

$functionname

Sets the function name

Return values

void

set_validate_function()

admin_setting_configselect::set_validate_function ( ?callable $validatefunction = null )

inherited

Sets a validate function.

The callback will be passed one parameter, the new setting value, and should return either an empty string '' if the value is OK, or an error message if not.

Parameters

callable | null

$validatefunction

Validate function or null to clear

Since

Moodle 3.10

validate_setting()

admin_setting_configselect::validate_setting ( string $data )

protectedinherited

Validate the setting.

This uses the callback function if provided; subclasses could override to carry out validation directly in the class.

Parameters

string

$data

New value being set

Return values

string

Empty string if valid, or error message text

Since

Moodle 3.10

write_setting()

admin_setting_configselect::write_setting ( $data )

inherited

Save a setting.

Parameters

string

$data

Return values

string

empty of error string

Reimplemented from admin_setting.

Reimplemented in admin_setting_bloglevel, admin_setting_configmultiselect, admin_setting_configthemepreset, admin_setting_sitesetselect, admin_setting_special_grademinmaxtouse, admin_setting_special_selectsetup, admin_setting_users_with_capability, antivirus_clamav_runningmethod_setting, auth_shibboleth_admin_setting_special_wayf_select, core_admin\local\settings\autocomplete, and core_analytics\admin_setting_predictor.

write_setting_flags()

admin_setting::write_setting_flags ( $data )

inherited

Write the values of the flags for this admin setting.

Parameters

array

$data

- The data submitted from the form or null to set the default value for new installs.

Return values

bool	- true if successful.

Member Data Documentation

$plugin

mixed admin_setting::$plugin

inherited

can be String or Null.

Null means main config table

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

• mod/quiz/classes/admin/user_image_setting.php