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Extends with your own source plugins

⚠️ DRAFT: writing in progress

The most common way of extending UI Patterns 2.x API is to add source plugins.

https://git.drupalcode.org/project/ui_patterns/-/tree/2.0.x/src/Plugin/UiPatterns/Source/

  • Same source plugin type for slots and props
  • Same source plugin type for data from Drupal API or from direct input

Context awareness

Sometimes sources require another object in order to retrieve the data. This is known as context.

Default value

Some source plugins are using it to fill the default value of the form, when they extends SourcePluginPropValue because:

  • the source store only one config value called value
  • value data is validating to the prop schema

Examples: