openy_block_modal.module

<?php

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

use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;

/**
 * Implements hook_theme().
 */
function openy_block_modal_theme($existing, $type, $theme, $path) {
  return [
    'modal_block' => [
      'variables' => [
        'modalId' => NULL,
        'title' => NULL,
        'description' => NULL,
        'modal_header' => NULL,
        'modal_content' => NULL,
        'modal_link_title' => NULL,
        'modal_link' => NULL,
        'mode' => NULL,
        'entity' => NULL,
      ],
      'template' => 'modal-block',
    ],
  ];
}

/**
 * Implements hook_ENTITY_TYPE_view_alter().
 */
function openy_block_modal_block_content_view_alter(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display) {
  /** @var \Drupal\block_content\Entity\BlockContent $entity */

  switch ($entity->bundle()) {
    case 'modal_block':
      $modal_header = $entity->field_modal_header->value;
      $modal_content = $entity->field_modal_content->get(0);
      $linkUrl = NULL;
      $link = $entity->field_link->get(0);
      if ($link) {
        $linkUrl = $link->getUrl();
      }

      $build['modal'] = [
        '#theme' => 'modal_block',
        '#modalId' => $entity->id(),
        '#title' => $entity->field_title->value,
        '#description' => [
          '#type' => 'processed_text',
          '#text' => $entity->field_description->value,
          '#format' => $entity->field_description->format,
        ],
        '#modal_link' => $linkUrl,
        '#modal_link_title' => $entity->field_link_title->value,
        '#mode' => $entity->field_mode->value,
        '#entity' => $entity,
        '#cache' => [
          'tags' => ['openy_cron'],
        ],
      ];

      if (isset($modal_header)) {
        $build['modal']['#modal_header'] = $modal_header;
      }

      if (isset($modal_content)) {
        $build['modal']['#modal_content'] = [
          '#type' => 'processed_text',
          '#text' => $modal_content->value,
          '#format' => $modal_content->format,
        ];
      }

      $build['#attached']['library'][] = 'openy_block_modal/modal-block';
      $build['#attached']['library'][] = 'core/drupal.ajax';
      break;
  }
}

/**
 * Implements hook_inline_entity_form_entity_form_alter().
 */
function openy_block_modal_inline_entity_form_entity_form_alter(&$entity_form, &$form_state) {
  if($entity_form['#entity_type'] == 'block_content' && $entity_form['#bundle'] == 'modal_block') {

    $parents = $entity_form['#parents'];
    $input_name = array_shift($parents);
    foreach ($parents as $p) {
      $input_name = "{$input_name}[{$p}]";
    }
    $input_name = "{$input_name}[field_mode]";

    $fields_visible = [
      'visible' => [
        [
          ':input[name="'.$input_name.'"]' => ['value' => 'fields'],
        ],
      ],
    ];

    $node_visible = [
      'visible' => [
        [
          ':input[name="'.$input_name.'"]' => ['value' => 'node'],
        ],
      ],
    ];

    $entity_form['field_modal_header']['widget'][0]['value']['#states'] = $fields_visible;
    $entity_form['field_modal_content']['widget'][0]['#states'] = $fields_visible;
    $entity_form['field_link']['widget'][0]['uri']['#states'] = $node_visible;
  }
}