Code generators

How to load an entity

Simple configuration form example.

Field types define the properties and behaviors of fields and are defined as plugins.

Simple form example. Can be configuration form.

The field formatter formats the field data to be viewed by the end user and they are defined as plugins.

Make configuration exportable via the configuration management system and add support multiple languages

Widget is fields editable part

One option is to use service container in your existing controller (or create new) to access services.

Create services yaml file for using your service

Service is reusable class which is accessed by using Drupal general API-s and systems.

Use the hasPermission() method which returns TRUE if that user has permission and FALSE if not. Uset this method, for example, in a hook.

Define your own set of permissions. You can later assign these permissions to different roles.

Use hook in your module to add asset libraries to your system.

What is?

Add CSS file to add style to your module.

How to use?

Use Add javascript and stylesheet to module guide to add style.

Asset libraries can also be attached from within a Twig template so that anytime template is used, the corresponding library will be attached.

Use hook in your module to add asset libraries conditionally.

Create js wrapper

Controllers take requests or information from the user and decide how to handle the request.

To include CSS and/or JavaScript in your module you'll need to declare an asset library that tells Drupal about the existence, and location, of those files.

Every theme needs at least themename.info.yml file.

Every module needs at least modulename.info.yml file.

Local task is tab like UI element

Menus are a collection of links used to navigate a website.

Action link is usually used to add items to site.

If you don't know route name yet, you can crab it dynamically.

External pointing menu link what uses an url value instead internal route.

Query Drupal entities and fields

When a user visits a particular URL on a Drupal site, the path they are visiting is a route. 

The links displayed in the contextual widget need to be defined through a module.

Block is reusable website building block.