rocketship_paragraphs-5.0.0-alpha8/modules/menu_clickthrough/menu_clickthrough.module

<?php

/**
 * @file
 * Contains menu clickthrough module functionality.
 */

use Drupal\Core\Config\Entity\ConfigEntityInterface;
use Drupal\Core\Entity\ContentEntityInterface;
use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Entity\EntityTypeInterface;
use Drupal\Core\Field\BaseFieldDefinition;
use Drupal\Core\Form\FormStateInterface;
use Drupal\system\Entity\Menu;

/**
 * Implements hook_entity_base_field_info().
 */
function menu_clickthrough_entity_base_field_info(EntityTypeInterface $entity_type) {
  $fields = [];
  switch ($entity_type->id()) {
    case 'menu_link_content':
      $fields['menu_clickthrough_description'] = BaseFieldDefinition::create('text_long')
        ->setLabel(t('Teaser'))
        ->setDescription(t('This text is used in menu clickthrough paragraphs.'))
        ->setTranslatable(TRUE)
        ->setDisplayOptions('form', [
          'type' => 'text_textarea',
          'weight' => 0,
        ])
        ->setDisplayOptions('view', [
          'label' => 'hidden',
          'type' => 'text_default',
          'weight' => 0,
        ])
        ->setDisplayConfigurable('form', TRUE)
        ->setDisplayConfigurable('view', TRUE);

      $fields['menu_clickthrough_image'] = BaseFieldDefinition::create('entity_reference')
        ->setLabel(t('Teaser image'))
        ->setDescription(t('This image is used in menu clickthrough paragraphs.'))
        ->setTranslatable(TRUE)
        ->setSetting('target_type', 'media')
        ->setSetting('handler', 'default')
        ->setSetting('handler_settings', [
          'target_bundles' => ['image' => 'image'],
          'sort' => ['field' => '_none'],
          'auto_create' => TRUE,
          'auto_create_bundle' => '',
        ])
        ->setTranslatable(TRUE)
        ->setDisplayOptions('form', [
          'type' => 'media_library_widget',
          'weight' => 5,
          'settings' => [
            'media_types' => ['image'],
          ],
        ])
        ->setDisplayOptions('view', [
          'label' => 'hidden',
          'type' => 'blazy_media',
          'weight' => 0,
          'region' => 'content',
          'settings' => [
            "grid_medium" => 0,
            "image" => "",
            "image_style" => "image_style_p005_avatar",
            "box_style" => "",
            "skin" => "",
            "responsive_image_style" => "",
            "id" => "",
            "style" => "",
            "ratio" => "",
            "title" => "",
            "optionset" => "default",
            "cache" => 0,
            "breakpoints" => [
              "xs" => [
                "width" => "",
                "image_style" => "",
              ],
              "md" => [
                "width" => "",
                "image_style" => "",
              ],
              "sm" => [
                "width" => "",
                "image_style" => "",
              ],
              "xl" => [
                "width" => "",
                "image_style" => "",
              ],
              "lg" => [
                "width" => "",
                "image_style" => "",
              ],
            ],
            "current_view_mode" => "default",
            "thumbnail_style" => "",
            "grid_header" => "",
            "box_media_style" => "",
            "media_switch" => "",
            "box_caption" => "",
            "view_mode" => "default",
            "grid" => 0,
            "background" => FALSE,
            "layout" => "",
            "class" => "",
            "icon" => "",
            "grid_small" => 0,
            "sizes" => "",
            "vanilla" => FALSE,
            "overlay" => "",
            "caption" => [
              "field_media_image" => "0",
            ],
            "link" => "",
            "box_caption_custom" => "",
          ],
        ])
        ->setDisplayConfigurable('form', TRUE)
        ->setDisplayConfigurable('view', TRUE);

      break;
  }
  return $fields;
}

/**
 * Implements hook_module_implements_alter().
 */
function menu_clickthrough_module_implements_alter(&$implementations, $hook) {
  if ($hook === 'form_alter' && isset($implementations['menu_clickthrough'])) {
    $group = $implementations['menu_clickthrough'];
    unset($implementations['menu_clickthrough']);
    $implementations['menu_clickthrough'] = $group;
  }
}

/**
 * Implements hook_form_alter().
 */
function menu_clickthrough_form_alter(&$form, FormStateInterface $form_state, $form_id) {
  $form_object = $form_state->getFormObject();
  if ($form_object instanceof EntityForm) {
    // Prevent alternations on delete forms.
    if (strpos($form_id, '_delete_') !== FALSE) {
      return;
    }
    $entity = $form_object->getEntity();
    $entity_type = $entity->getEntityTypeId();
    switch ($entity_type) {
      case 'menu_link_content':
        /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
        _menu_clickthrough_hide_menu_link_content_field_form($entity, $form);
        break;

      case 'menu':
        /** @var \Drupal\Core\Config\Entity\ConfigEntityInterface $entity */
        _menu_clickthrough_add_menu_field_form($entity, $form);
        break;

      case 'node':
        /** @var \Drupal\Core\Entity\ContentEntityInterface $entity */
        _menu_clickthrough_add_node_field_form($entity, $form);
        break;
    }
  }
}

/**
 * Add stuff to form.
 *
 * @param \Drupal\Core\Config\Entity\ConfigEntityInterface $entity
 *   Entity.
 * @param array $form
 *   Form.
 */
function _menu_clickthrough_add_menu_field_form(ConfigEntityInterface $entity, array &$form) {
  $access = \Drupal::currentUser()
    ->hasPermission('administer menu clickthrough settings');

  // Add third party settings.
  $form['third_party_settings']['#tree'] = TRUE;
  $form['third_party_settings']['menu_clickthrough']['clickthrough_enabled'] = [
    '#type' => 'checkbox',
    '#title' => t('Clickthrough enabled'),
    '#description' => t('This will enable menu links in this menu to have a description.'),
    '#default_value' => $entity->getThirdPartySetting('menu_clickthrough', 'clickthrough_enabled', FALSE),
    '#access' => $access,
  ];
}

/**
 * Hides menu link content field.
 *
 * @param \Drupal\Core\Entity\ContentEntityInterface $entity
 *   The entity.
 * @param array $form
 *   The form.
 */
function _menu_clickthrough_hide_menu_link_content_field_form(ContentEntityInterface $entity,
                                                              array &$form) {
  /** @var \Drupal\menu_link_content\MenuLinkContentInterface $entity */
  /** @var \Drupal\menu_clickthrough\Menu\MenuHelperInterface $menu_helper */
  $menu_helper = \Drupal::service('menu_clickthrough.menu_helper');
  if ($name = $entity->getMenuName()) {
    $menu = Menu::load($entity->getMenuName());
    if (!$menu_helper->isClickthroughEnabled($menu)) {
      // Hide our fields.
      unset($form['menu_clickthrough_description']);
      unset($form['menu_clickthrough_image']);
    }
  }
}

/**
 * Alter for node add form.
 *
 * @param \Drupal\Core\Entity\ContentEntityInterface $entity
 *   Entity.
 * @param array $form
 *   Form.
 */
function _menu_clickthrough_add_node_field_form(ContentEntityInterface $entity, array &$form) {
  /** @var \Drupal\node\NodeInterface $entity */
  if (isset($form['menu'])) {
    /** @var \Drupal\menu_clickthrough\Menu\MenuHelperInterface $menu_helper */
    $menu_helper = \Drupal::service('menu_clickthrough.menu_helper');

    $menu = $menu_helper->getNodeEnabledMenu($entity);
    if ($menu) {
      // Only support for description at the moment. Getting an image field
      // for a separate entity into another entity's edit form has proven to be
      // ... a goddamn nightmare.
      $menu_link_content = $menu_helper->getMenuLinkFromNode($entity);
      $element = $menu_helper->getMenuClickthroughElement($menu, $menu_link_content);
      $element['#description'] .= ' ' . t('You can also upload an image if you edit this link through the menu itself.');
      $form['menu']['menu_clickthrough_description'] = $element;

      // Hide clickthrough if the menu item isn't enabled.
      $form['menu']['menu_clickthrough_description']['#states'] = [
        'invisible' => [
          'input[name="menu[enabled]"]' => ['checked' => FALSE],
        ],
      ];

      foreach (array_keys($form['actions']) as $action) {
        if ($action != 'preview' && isset($form['actions'][$action]['#type']) && $form['actions'][$action]['#type'] === 'submit') {
          $form['actions'][$action]['#submit'][] = 'menu_clickthrough_form_node_form_submit';
        }
      }

    }
  }
}

/**
 * Form submit callback.
 *
 * @param array $form
 *   The form.
 * @param \Drupal\Core\Form\FormStateInterface $form_state
 *   The form state.
 */
function menu_clickthrough_form_node_form_submit(array $form, FormStateInterface $form_state) {
  if (!$form_state->isValueEmpty('menu')) {
    $values = $form_state->getValue('menu');
    /** @var \Drupal\Core\Entity\EntityForm $form_object */
    $form_object = $form_state->getFormObject();
    /** @var \Drupal\node\NodeInterface $node */
    $node = $form_object->getEntity();
    /** @var \Drupal\menu_clickthrough\Menu\MenuHelperInterface $menu_helper */
    $menu_helper = \Drupal::service('menu_clickthrough.menu_helper');

    $menu_link_content = $menu_helper->getMenuLinkFromNode($node);
    // If no menu link content entity is found this means the node has no link
    // and thus we can skip further execution.
    if ($menu_link_content) {
      $menu_link_content->set('menu_clickthrough_description', $values['menu_clickthrough_description']);
      $menu_link_content->save();
    }
  }
}

/**
 * Implements hook_theme().
 */
function menu_clickthrough_theme($existing, $type, $theme, $path) {
  return [
    'menu_clickthrough_overview' => [
      'variables' => [
        'items' => NULL,
      ],
    ],
    'menu_clickthrough_item' => [
      'variables' => [
        'title' => NULL,
        'description' => NULL,
        'link' => NULL,
        'image' => NULL,
      ],
    ],
  ];
}