The cache renderer (mainly admin interfaces). More...

Inheritance diagram for core_cache\output\renderer:

Public Member Functions
	__call ($method, $arguments)
	Magic method used to pass calls otherwise meant for the standard renderer to it to ensure we don't go causing unnecessary grief.

	add_action_handler (component_action $action, $id=null)
	Adds a JS action for the element with the provided id.

	additional_lock_actions ()
	Renders additional actions for locks, such as Add.

	definition_summaries (array $definitionsummaries, context $context)
	Displays definition summaries.

	get_compact_logo_url ($maxwidth=300, $maxheight=300)
	Return the site's compact logo URL, if any.

	get_logo_url ($maxwidth=null, $maxheight=200)
	Return the site's logo URL, if any.

	has_started ()
	Returns true is output has already started, and false if not.

	image_url ($imagename, $component='moodle')
	Return the moodle_url for an image.

	lock_summaries (array $locks)
	Display basic information about lock instances.

	mode_mappings ($applicationstore, $sessionstore, $requeststore, moodle_url $editurl)
	Displays mode mappings.

	notifications (array $notifications=array())
	Renders an array of notifications for the cache configuration screen.

	pix_url ($imagename, $component='moodle')
	Return the direct URL for an image from the pix folder.

	render (renderable $widget)
	Renders the provided widget and returns the HTML to display it.

	render_from_template ($templatename, $context)
	Renders a template by name with the given context.

	should_display_main_logo ($headinglevel=1)
	Whether we should display the main logo.

	should_display_navbar_logo ()
	Whether we should display the logo in the navbar.

	store_instance_summariers (array $storeinstancesummaries, array $storepluginsummaries)
	Displays store summaries.

	store_plugin_summaries (array $storepluginsummaries)
	Displays plugin summaries.

	usage_page (\html_table $maintable, html_table $summarytable, moodleform $samplesform)
	Renders the usage page.

	usage_tables (array $usage)
	Creates the two tables which display on the usage page.

Static Public Member Functions
static	prepare_classes ($classes)
	Given an array or space-separated list of classes, prepares and returns the HTML class attribute value.

Protected Member Functions
	get_mustache ()
	Return an instance of the mustache class.

Protected Attributes
xhtml_container_stack	$opencontainers
	The xhtml_container_stack to use.

renderer_base core_renderer	$output
	A reference to the current renderer.

moodle_page	$page
	The Moodle page the renderer has been created to assist with.

string	$target
	The requested rendering target.

array	$templatecache = []
	$templatecache The mustache template cache.

Detailed Description

The cache renderer (mainly admin interfaces).

Copyright: 2012 Sam Hemelryk

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

Member Function Documentation

◆ __call()

plugin_renderer_base::__call	(		$method,
			$arguments )

inherited

Magic method used to pass calls otherwise meant for the standard renderer to it to ensure we don't go causing unnecessary grief.

Parameters

string	$method
array	$arguments

Return values

mixed

◆ add_action_handler()

renderer_base::add_action_handler	(	component_action	$action,
			$id = null )

inherited

Adds a JS action for the element with the provided id.

This method adds a JS event for the provided component action to the page and then returns the id that the event has been attached to. If no id has been provided then a new ID is generated by html_writer::random_id()

Parameters

component_action	$action
string	$id

Return values

string id of element, either original submitted or random new if not supplied

◆ additional_lock_actions()

core_cache\output\renderer::additional_lock_actions ( )

Renders additional actions for locks, such as Add.

Return values

string

◆ definition_summaries()

core_cache\output\renderer::definition_summaries	(	array	$definitionsummaries,
		context	$context )

Displays definition summaries.

Parameters

array	$definitionsummaries	information about each definition, as returned by core_cache\administration_helper\get_definition_summaries().
context	$context	the system context.

Return values

string HTML.

◆ get_compact_logo_url()

renderer_base::get_compact_logo_url	(		$maxwidth = 300,
			$maxheight = 300 )

inherited

Return the site's compact logo URL, if any.

Parameters

int	$maxwidth	The maximum width, or null when the maximum width does not matter.
int	$maxheight	The maximum height, or null when the maximum height does not matter.

Return values

moodle_url|false

◆ get_logo_url()

renderer_base::get_logo_url	(		$maxwidth = null,
			$maxheight = 200 )

inherited

Return the site's logo URL, if any.

Parameters

int	$maxwidth	The maximum width, or null when the maximum width does not matter.
int	$maxheight	The maximum height, or null when the maximum height does not matter.

Return values

moodle_url|false

◆ get_mustache()

renderer_base::get_mustache ( )

protectedinherited

Return an instance of the mustache class.

Since: 2.9

Return values

Mustache_Engine

◆ has_started()

renderer_base::has_started ( )

inherited

Returns true is output has already started, and false if not.

Return values

boolean true if the header has been printed.

◆ image_url()

renderer_base::image_url	(		$imagename,
			$component = 'moodle' )

inherited

Return the moodle_url for an image.

The exact image location and extension is determined automatically by searching for gif|png|jpg|jpeg, please note there can not be diferent images with the different extension. The imagename is for historical reasons a relative path name, it may be changed later for core images. It is recommended to not use subdirectories in plugin and theme pix directories.

There are three types of images: 1/ theme images - stored in theme/mytheme/pix/, use component 'theme' 2/ core images - stored in /pix/, overridden via theme/mytheme/pix_core/ 3/ plugin images - stored in mod/mymodule/pix, overridden via theme/mytheme/pix_plugins/mod/mymodule/, example: image_url('comment', 'mod_glossary')

Parameters

string	$imagename	the pathname of the image
string	$component	full plugin name (aka component) or 'theme'

Return values

moodle_url

◆ lock_summaries()

core_cache\output\renderer::lock_summaries ( array $locks )

Display basic information about lock instances.

Todo: Add some actions so that people can configure lock instances.

Parameters

array $locks

Return values

string

◆ mode_mappings()

core_cache\output\renderer::mode_mappings	(		$applicationstore,
			$sessionstore,
			$requeststore,
		moodle_url	$editurl )

Displays mode mappings.

Parameters

string	$applicationstore
string	$sessionstore
string	$requeststore
moodle_url	$editurl

Return values

string HTML

◆ notifications()

core_cache\output\renderer::notifications ( array $notifications = array() )

Renders an array of notifications for the cache configuration screen.

Takes an array of notifications with the form: $notifications = array( array('This is a success message', true), array('This is a failure message', false), );

Parameters

array $notifications

Return values

string

◆ pix_url()

renderer_base::pix_url	(		$imagename,
			$component = 'moodle' )

inherited

Return the direct URL for an image from the pix folder.

Use this function sparingly and never for icons. For icons use pix_icon or the pix helper in a mustache template.

Deprecated: since Moodle 3.3

Parameters

string	$imagename	the name of the icon.
string	$component	specification of one plugin like in get_string()

Return values

moodle_url

◆ prepare_classes()

static renderer_base::prepare_classes ( $classes )

staticinherited

Given an array or space-separated list of classes, prepares and returns the HTML class attribute value.

Parameters

mixed $classes Space-separated string or array of classes

Return values

string HTML class attribute value

◆ render()

plugin_renderer_base::render ( renderable $widget )

inherited

Renders the provided widget and returns the HTML to display it.

Parameters

renderable $widget instance with renderable interface

Return values

string

Reimplemented from renderer_base.

Reimplemented in core_courseformat\output\section_renderer, and tool_policy\output\renderer.

◆ render_from_template()

renderer_base::render_from_template	(		$templatename,
			$context )

inherited

Renders a template by name with the given context.

The provided data needs to be array/stdClass made up of only simple types. Simple types are array,stdClass,bool,int,float,string

Since: 2.9

Parameters

array | stdClass $context Context containing data for the template.

Return values

string|boolean

◆ should_display_main_logo()

renderer_base::should_display_main_logo ( $headinglevel = 1 )

inherited

Whether we should display the main logo.

Deprecated: since Moodle 4.0

Todo: final deprecation. To be removed in Moodle 4.4 MDL-73165.

Parameters

int $headinglevel The heading level we want to check against.

Return values

bool

◆ should_display_navbar_logo()

renderer_base::should_display_navbar_logo ( )

inherited

Whether we should display the logo in the navbar.

We will when there are no main logos, and we have compact logo.

Return values

bool

◆ store_instance_summariers()

core_cache\output\renderer::store_instance_summariers	(	array	$storeinstancesummaries,
		array	$storepluginsummaries )

Displays store summaries.

Parameters

array	$storeinstancesummaries	information about each store instance, as returned by core_cache\administration_helper\get_store_instance_summaries().
array	$storepluginsummaries	information about each store plugin as returned by core_cache\administration_helper\get_store_plugin_summaries().

Return values

string HTML

◆ store_plugin_summaries()

core_cache\output\renderer::store_plugin_summaries ( array $storepluginsummaries )

Displays plugin summaries.

Parameters

array $storepluginsummaries information about each store plugin as returned by core_cache\administration_helper\get_store_plugin_summaries().

Return values

string HTML

◆ usage_page()

core_cache\output\renderer::usage_page	(	\html_table	$maintable,
		html_table	$summarytable,
		moodleform	$samplesform )

Renders the usage page.

Parameters

html_table	$maintable	Main table
html_table	$summarytable	Summary table
moodleform	$samplesform	Form to select number of samples

Return values

string HTML for page

◆ usage_tables()

core_cache\output\renderer::usage_tables ( array $usage )

Creates the two tables which display on the usage page.

Parameters

array $usage Usage information (from cache_helper\usage)

Return values

array Array of 2 tables (main and summary table)

Exceptions

coding_exception

Member Data Documentation

◆ $output

renderer_base core_renderer plugin_renderer_base::$output

protectedinherited

A reference to the current renderer.

The renderer provided here will be determined by the page but will in 90% of cases by the core_renderer

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

cache/classes/output/renderer.php

Public Member Functions

Static Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Member Function Documentation

◆ __call()

◆ add_action_handler()

◆ additional_lock_actions()

◆ definition_summaries()

◆ get_compact_logo_url()

◆ get_logo_url()

◆ get_mustache()

◆ has_started()

◆ image_url()

◆ lock_summaries()

◆ mode_mappings()

◆ notifications()

◆ pix_url()

◆ prepare_classes()

◆ render()

◆ render_from_template()

◆ should_display_main_logo()

◆ should_display_navbar_logo()

◆ store_instance_summariers()

◆ store_plugin_summaries()

◆ usage_page()

◆ usage_tables()

Member Data Documentation

◆ $output