THE DRUPAL 8 PLUGINSYSTEM: EXTENSIBILITY FOR

ALLI am , , and .Xano @BartFeenstra http://mynameisbart.com

http://drupal.org/u/xanohttp://mynameisbart.com/http://twitter.com/bartfeenstra

WHAT ARE PLUGINS?Swappable extensions that provide logic for a specific (set of) task(s)Uniquely identifiableMetadataMultiple instances can co-exist (reuse)

DRUPAL 7 PLUGINSHook discovery (core and most contributed modules)File-based discovery (ctools)Magic hooks/callbacks/includesSome plugins are classed

SAY WHAT?

DRUPAL 8 PLUGINSAre classed. Always.Should implement interfaces.Consistent API for discovering and instantiating plugins, regardless oftype.

NO MORE DARK MAGIC

JARGON, DO YOU SPEAK IT?

PLUGIN TYPE

PLUGIN (DEFINITION)

PLUGIN DISCOVERY

PLUGIN FACTORY

PLUGIN MANAGER(DISCOVERY + FACTORY + ...)

PLUGIN INSTANCE

PLUGIN CONFIGURATION

RECREATING/CLONINGPLUGIN INSTANCES

Using Plugin type/manager, ID, and configuration throughConfigurablePluginInterface.

DISCOVERY METHODSAnnotated class discovery (mostly different logic)YAML discovery (mostly reused logic)Static discovery (testing)Hook discovery (deprecated)

ANNOTATED CLASSDISCOVERY

YAML DISCOVERY

system.admin: title: Administration route_name: system.admin weight: 9 menu_name: adminsystem.admin_content: title: Content description: 'Find and manage content.' route_name: system.admin_content parent: system.admin weight: -10system.admin_structure: route_name: system.admin_structure parent: system.admin description: 'Administer blocks, content types, menus, etc.' title: Structure weight: -8

FORMS

DERIVATIVESOne base plugin definition can be dynamically expanded into multiple

derivative plugin definitions.

THERE'S A MODULE FORTHAT

http://drupal.org/project/plugin

http://drupal.org/project/plugin

PLUGIN TYPE DISCOVERY

ADMINISTRATIVE OVERVIEW

CONFIGURATION SCHEMASplugin.plugin_configuration.*.*

TYPED PLUGIN DEFINITIONAPI

Now: PluginDefinitionMapperInterface

Future: PluginDefinitionInterface

PLUGIN SELECTORS

FIELDTYPES/WIDGETS/FORMATTER

S

CONCLUSIONEXTENDING DRUPAL HAS NEVER BEEN EASIER.

Review this presentation at .http://slideshare.net/bartfeenstra

Find the Plugin module at .http://drupal.org/project/plugin

I am , , and .Xano @BartFeenstra http://mynameisbart.com

DO YOU HAVE ANY QUESTIONS?

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http://twitter.com/bartfeenstrahttp://slideshare.net/bartfeenstrahttp://mynameisbart.com/http://drupal.org/u/xanohttp://drupal.org/project/plugin