ui_patterns.module

<?php

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

use Drupal\ui_patterns\UiPatterns;
use Drupal\ui_patterns\Element\PatternContext;

/**
 * Implements hook_theme().
 */
function ui_patterns_theme() {
  /** @var \Drupal\ui_patterns\Plugin\PatternBase $pattern */
  $items = [
    'patterns_destination' => [
      'variables' => ['sources' => NULL, 'context' => NULL],
    ],
    'patterns_use_wrapper' => [
      'variables' => ['use' => NULL],
    ],
  ];

  foreach (UiPatterns::getManager()->getPatterns() as $pattern) {
    $items += $pattern->getThemeImplementation();
  }
  return $items;
}

/**
 * Implements hook_library_info_build().
 */
function ui_patterns_library_info_build() {
  /** @var \Drupal\ui_patterns\Plugin\PatternBase $pattern */

  $definitions = [];
  foreach (UiPatterns::getManager()->getPatterns() as $pattern) {
    $definitions += $pattern->getLibraryDefinitions();
  }
  return $definitions;
}

/**
 * Implements hook_theme_suggestions_HOOK_alter().
 */
function ui_patterns_theme_suggestions_alter(array &$suggestions, array $variables, $hook) {
  if (UiPatterns::getManager()->isPatternHook($hook)) {
    \Drupal::moduleHandler()->alter('ui_patterns_suggestions', $suggestions, $variables, $variables['context']);
    \Drupal::theme()->alter('ui_patterns_suggestions', $suggestions, $variables, $variables['context']);
  }

  if ($hook == 'patterns_destination') {
    \Drupal::moduleHandler()->alter('ui_patterns_destination_suggestions', $suggestions, $variables, $variables['context']);
    \Drupal::theme()->alter('ui_patterns_destination_suggestions', $suggestions, $variables, $variables['context']);
  }
}

/**
 * Implements hook_ui_patterns_suggestions_alter().
 */
function ui_patterns_ui_patterns_suggestions_alter(array &$suggestions, array $variables, PatternContext $context) {
  // Add preview theme suggestion.
  if ($context->isOfType('preview')) {
    $suggestions[] = $variables['theme_hook_original'] . '__preview';
  }

  if (!empty($variables['variant'])) {
    $suggestions[] = $variables['theme_hook_original'] . '__variant_' . $variables['variant'];

    // Add variant preview theme suggestion.
    if ($context->isOfType('preview')) {
      $suggestions[] = $variables['theme_hook_original'] . '__variant_' . $variables['variant'] . '__preview';
    }
  }
}