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Debasish
Debasish

Reputation: 61

How to override contrib or core module plugin in custom module of Drupal 8

I am facing problem in overriding workbench moderation module plugin in my own custom module for administrator node edit pages of Drupal 8.4.3. Can anyone have knowledge of overriding contrib/core module plugin in custom module of Drupal 8.4.3.

Upvotes: 1

Views: 2040

Answers (3)

Paul Leclerc
Paul Leclerc

Reputation: 1137

I had this type of issue using aggregator (core Drupal 8). I had to override/improve the default behavior.

Going deeper in the analyse of this module, I just saw that it does Plugin management and offers a hook api. For example I managed to make aggregator deal with enclose url image. Their are several ways to do it with Drupal 8. I used a very simple one : Annotation.

/**
 * Defines a default parser implementation.
 *
 * Parses RSS, Atom and RDF feeds.
 *
 * @AggregatorParser(
 *   id = "xxxxx_aggregator",
 *   title = @Translation("XXXX parser"),
 *   description = @Translation("Custom parser for RSS enclosure tag.")
 * )
 */
class CustomParser extends DefaultParser {

  /**
   * Override default parser to add the enclosure attribute to feed item
   * {@inheritdoc}
   */
  public function parse(FeedInterface $feed) {

    parent::parse($feed);
    // your code...
  }

}

In this given example, using @AggregatorParser, I allow Aggregator to detect and use another PARSER, my custom, which is extending the aggregator's default.

Do not forget to add it in the correct needed path. Here its : namespace Drupal\xxxxx_aggregator\Plugin\aggregator\parser;

Even if plugin management offers a simple way to add custom plugins and functionalities, you can also overriding the module service for deeper and more global updates. https://www.drupal.org/docs/8/api/services-and-dependency-injection/altering-existing-services-providing-dynamic-services https://symfony.com/doc/current/service_container/service_decoration.html

Upvotes: 2

Daniel
Daniel

Reputation: 516

You can try patching it and then using composer patches.

https://www.drupal.org/patch https://github.com/cweagans/composer-patches

Upvotes: -2

Debasish
Debasish

Reputation: 61

I am managed to solve this issue by using hook_local_task_alter() in a custom module.

Upvotes: 0

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