ui_patterns_layouts.module

<?php

/**
 * @file
 * Contains module file.
 */

use Drupal\ui_patterns\Element\PatternContext;
use Drupal\Core\Layout\LayoutDefinition;
use Drupal\ui_patterns\UiPatterns;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\field_layout\Display\EntityDisplayWithLayoutInterface;

/**
 * Implements hook_layout_alter().
 */
function ui_patterns_layouts_layout_alter(&$definitions) {
  /** @var \Drupal\ui_patterns\Definition\PatternDefinition[] $pattern_definitions */

  // @todo: Use layout deriver instead.
  // @link https://github.com/nuvoleweb/ui_patterns/issues/94
  foreach (UiPatterns::getPatternDefinitions() as $pattern_definition) {
    $id = 'pattern_' . $pattern_definition->id();
    $definition = [
      'id' => $id,
      'label' => $pattern_definition->getLabel(),
      'theme' => $pattern_definition->getThemeHook(),
      'provider' => $pattern_definition->getProvider(),
      'category' => 'Patterns',
      'class' => '\Drupal\ui_patterns_layouts\Plugin\Layout\PatternLayout',
      'pattern' => $pattern_definition->id(),
      'template' => 'pattern-' . $pattern_definition->id(),
    ];
    foreach ($pattern_definition->getFields() as $field) {
      $definition['regions'][$field->getName()]['label'] = $field->getLabel();
    }
    $definitions[$id] = new LayoutDefinition($definition);
  }
}

/**
 * Implements hook_preprocess_HOOK().
 */
function ui_patterns_layouts_preprocess_ds_entity_view(&$variables) {
  if (isset($variables['content']['#type']) && $variables['content']['#type'] == 'pattern') {

    /** @var \Drupal\Core\Entity\EntityInterface $entity */
    $entity = $variables['content']['#entity'];

    // Allow default context values to not override those exposed elsewhere.
    $variables['content']['#context']['type'] = 'layout';
    $variables['content']['#context']['entity_type'] = $variables['content']['#entity_type'];
    $variables['content']['#context']['bundle'] = $variables['content']['#bundle'];
    $variables['content']['#context']['view_mode'] = $variables['content']['#view_mode'];
    $variables['content']['#context']['entity_id'] = $entity->id();
    $variables['content']['#context']['entity'] = $entity;
  }
}

/**
 * Implements hook_entity_view_alter().
 */
function ui_patterns_layouts_entity_view_alter(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display) {
  if ($display instanceof EntityDisplayWithLayoutInterface && isset($build['_field_layout']['#type']) && $build['_field_layout']['#type'] == 'pattern') {
    $build['_field_layout']['#context']['type'] = 'layout';
    $build['_field_layout']['#context']['entity_type'] = $build['#entity_type'];
    $build['_field_layout']['#context']['bundle'] = $entity->bundle();
    $build['_field_layout']['#context']['view_mode'] = $build['#view_mode'];
    $build['_field_layout']['#context']['entity_id'] = $entity->id();
    $build['_field_layout']['#context']['entity'] = $entity;
  }
}

/**
 * Implements hook_ui_patterns_suggestions_alter().
 */
function ui_patterns_layouts_ui_patterns_suggestions_alter(array &$suggestions, array $variables, PatternContext $context) {
  if ($context->isOfType('layout')) {
    $hook = $variables['theme_hook_original'];
    $variant = isset($variables["variant"]) ? $variables["variant"] : '';
    $entity_type = $context->getProperty('entity_type');
    $bundle = $context->getProperty('bundle');
    $view_mode = $context->getProperty('view_mode');
    $entity_id = $context->getProperty('entity_id');

    $suggestions[] = $hook . '__layout';
    $suggestions[] = $hook . '__layout__' . $entity_type;
    $suggestions[] = $hook . '__layout__' . $entity_type . '__' . $bundle;
    $suggestions[] = $hook . '__layout__' . $entity_type . '__' . $view_mode;
    $suggestions[] = $hook . '__layout__' . $entity_type . '__' . $bundle . '__' . $view_mode;
    $suggestions[] = $hook . '__layout__' . $entity_type . '__' . $entity_id;

    if (!empty($variant)) {
      $suggestions[] = $hook . '__variant_' . $variant . '__layout';
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type;
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type . '__' . $bundle;
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type . '__' . $view_mode;
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type . '__' . $bundle . '__' . $view_mode;
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type . '__' . $entity_id;
    }
  }
}

/**
 * Implements hook_ui_patterns_destination_suggestions_alter().
 */
function ui_patterns_layouts_ui_patterns_destination_suggestions_alter(array &$suggestions, array $variables, PatternContext $context) {
  if ($context->isOfType('layout')) {
    $hook = $variables['theme_hook_original'];
    $variant = isset($variables["variant"]) ? $variables["variant"] : '';
    $entity_type = $context->getProperty('entity_type');
    $bundle = $context->getProperty('bundle');
    $view_mode = $context->getProperty('view_mode');
    $entity_id = $context->getProperty('entity_id');
    $pattern = $context->getProperty('pattern');
    $field = $context->getProperty('field');

    $suggestions[] = $hook . '__layout__' . $pattern . '__' . $field;
    $suggestions[] = $hook . '__layout__' . $entity_type . '__' . $pattern . '__' . $field;
    $suggestions[] = $hook . '__layout__' . $entity_type . '__' . $bundle . '__' . $pattern . '__' . $field;
    $suggestions[] = $hook . '__layout__' . $entity_type . '__' . $view_mode . '__' . $pattern . '__' . $field;
    $suggestions[] = $hook . '__layout__' . $entity_type . '__' . $bundle . '__' . $view_mode . '__' . $pattern . '__' . $field;
    $suggestions[] = $hook . '__layout__' . $entity_type . '__' . $entity_id . '__' . $pattern . '__' . $field;

    if (!empty($variant)) {
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $pattern . '__' . $field;
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type . '__' . $pattern . '__' . $field;
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type . '__' . $bundle . '__' . $pattern . '__' . $field;
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type . '__' . $view_mode . '__' . $pattern . '__' . $field;
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type . '__' . $bundle . '__' . $view_mode . '__' . $pattern . '__' . $field;
      $suggestions[] = $hook . '__variant_' . $variant . '__layout__' . $entity_type . '__' . $entity_id . '__' . $pattern . '__' . $field;
    }
  }
}