layoutcomponents-8.x-1.14-beta2/modules/lc_simple_card/lc_simple_card.module

<?php

/**
 * @file
 * LC Simple cards module file.
 */

use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Routing\RouteMatchInterface;

/**
 * Implements hook_theme().
 */
function lc_simple_card_theme($existing, $type, $theme, $path) {
  return [
    'layoutcomponents_block_content__simple_card' => [
      'base hook' => 'block',
    ],
  ];
}

/**
 * Implements hook_help().
 */
function lc_simple_card_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    // Create help page.
    case 'help.page.lc_simple_card':
      $module_handler = \Drupal::service('module_handler');
      $module_path = $module_handler->getModule('lc_simple_card')->getPath();
      $file = $module_path . '/README.md';
      if (!file_exists($file)) {
        return '';
      }

      // Get content from file.
      $reader = file_get_contents($file);

      // Return "clean" content.
      return preg_replace("/\r\n|\n|\r/", "<br>", $reader);
  }
}

/**
 * Implements hook_page_attachments().
 */
function lc_simple_card_page_attachments(&$page) {
  $page['#attached']['library'][] = 'lc_simple_card/lc_simple_card';
}

/**
 * Implements hook_preprocess_page().
 */
function lc_simple_card_preprocess_block(&$variables) {
  if ($variables['base_plugin_id'] != 'inline_block') {
    return;
  }

  if ($variables['derivative_plugin_id'] != 'simple_card') {
    return;
  }

  /** @var \Drupal\block_content\Entity\BlockContent $block */
  $block = $variables['content']['#block_content'];
  $block_id = str_replace(' ', '_', $block->uuid());

  $variables['content_attributes']['class'] = [
    'lc-inline_block_' . $block_id . '-card-container-edit',
  ];

}

/**
 * Implements hook_block_type_form_alter().
 */
function lc_simple_card_block_type_form_alter(array &$form, FormStateInterface &$form_state, $block_type) {
  if ($block_type == "simple_card") {
    if (!array_key_exists('#block', $form)) {
      return;
    }
    /** @var \Drupal\block_content\Entity\BlockContent $block */
    $block = $form['#block'];
    $block_id = str_replace(" ", "_", $block->uuid());
    _lc_simple_card_form_alter($form, $block_id);
  }
}

/**
 * Change the elements with LayoutComponents Api.
 *
 * @param array $form
 *   The array with the form.
 * @param string $block_id
 *   The id of the block.
 */
function _lc_simple_card_form_alter(array &$form, $block_id) {
  /** @var \Drupal\layoutcomponents\Api\Component $lcApi */
  $lcApi = Drupal::service('layoutcomponents.apiComponent');

  // LC inline video extra class.
  $extra_class = $form['field_sca_extra_class']['widget'][0]['value'];
  $form['field_sca_extra_class']['widget'][0]['value'] = $lcApi->getComponentElement(
    [
      'id' => 'block_' . $block_id . '-card-container',
      'input' => 'text',
      'type' => 'class',
      'style' => 'extra_class',
      'element' => 'text',
    ],
    $extra_class
  );
}