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lightning_media_image.module in Lightning Media 8

Same filename and directory in other branches
  1. 8.4 modules/lightning_media_image/lightning_media_image.module
  2. 8.2 modules/lightning_media_image/lightning_media_image.module
  3. 8.3 modules/lightning_media_image/lightning_media_image.module

Support for image media assets in Lightning.

File

modules/lightning_media_image/lightning_media_image.module
View source 
<?php

/**
 * @file
 * Support for image media assets in Lightning.
 */
use Drupal\Core\Entity\Display\EntityFormDisplayInterface;
use Drupal\Core\Field\FieldStorageDefinitionInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\entity_browser\Entity\EntityBrowser;
use Drupal\image\Entity\ImageStyle;
use Drupal\lightning_core\ConfigHelper as Config;
use Drupal\lightning_core\OverrideHelper as Override;
use Drupal\lightning_media_image\Plugin\media\Source\Image;
use Drupal\views\ViewEntityInterface;

/**
 * Implements hook_ENTITY_TYPE_insert().
 */
function lightning_media_image_view_insert(ViewEntityInterface $view) {
  if (\Drupal::isConfigSyncing()) {
    return;
  }
  elseif (drupal_installation_attempted() && $view
    ->id() == 'media') {
    $display_id = $view
      ->addDisplay('entity_browser', 'Image Browser');
    $display =& $view
      ->getDisplay($display_id);
    $display = array_merge($display, 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    // This line is needed because Views is insane.
    $view
      ->getExecutable()->current_display = NULL;
    $view
      ->save();

    /** @var \Drupal\entity_browser\EntityBrowserInterface $browser */
    $browser = EntityBrowser::load('image_browser');
    $browser
      ->addWidget([
      'id' => 'view',
      'label' => 'Library',
      'weight' => -10,
      'settings' => [
        'view' => 'media',
        'view_display' => $display_id,
        'submit_text' => 'Select',
        'auto_select' => FALSE,
      ],
    ]);
    $browser
      ->save();
  }
}

/**
 * Implements hook_field_widget_info_alter().
 */
function lightning_media_image_field_widget_info_alter(array &$info) {
  if (isset($info['image_widget_crop'])) {

    // We cannot import the class with a use statement, because it will blow up
    // if Image Widget Crop is not installed.
    Override::pluginClass($info['image_widget_crop'], \Drupal\lightning_media_image\Plugin\Field\FieldWidget\ImageCropWidget::class);
  }
}

/**
 * Implements hook_ENTITY_TYPE_insert().
 */
function lightning_media_image_crop_type_insert($crop_type) {

  // Don't do anything during a config sync.
  if (\Drupal::isConfigSyncing()) {
    return;
  }
  else {

    // Create a dedicated image style to display images using this crop type.

    /** @var \Drupal\crop\CropTypeInterface $crop_type */
    $image_style = ImageStyle::create([
      'name' => 'crop_' . $crop_type
        ->id(),
      'label' => t('Cropped: @crop_type', [
        '@crop_type' => $crop_type
          ->label(),
      ]),
    ]);
    $image_style
      ->addImageEffect([
      'id' => 'crop_crop',
      'data' => [
        'crop_type' => $crop_type
          ->id(),
      ],
    ]);
    $image_style
      ->save();
  }
}

/**
 * Implements hook_modules_installed().
 */
function lightning_media_image_modules_installed(array $modules) {

  // Don't do anything during config sync.
  if (\Drupal::isConfigSyncing()) {
    return;
  }
  if (in_array('lightning_roles', $modules)) {
    $permissions = [
      'access image_browser entity browser pages',
    ];

    // Media creators and managers can always access the image browser.
    user_role_grant_permissions('media_creator', $permissions);
    user_role_grant_permissions('media_manager', $permissions);

    // Any content creator can as well.
    \Drupal::service('lightning.content_roles')
      ->grantPermissions('creator', $permissions);
  }
  if (in_array('image_widget_crop', $modules)) {
    Config::forModule('lightning_media_image')
      ->optional()
      ->getEntity('crop_type', 'freeform')
      ->save();
  }
  if (in_array('lightning_dev', $modules)) {
    $GLOBALS['install_state'] = [];
    $view = entity_load('view', 'media');
    lightning_media_image_view_insert($view);
    unset($GLOBALS['install_state']);
  }
}

/**
 * Implements hook_media_source_info_alter().
 */
function lightning_media_image_media_source_info_alter(array &$sources) {
  $sources['image']['input_match']['field_types'] = [
    'image',
  ];
  Override::pluginClass($sources['image'], Image::class);

  // When a media item that uses the Image plugin is embedded in a text editor,
  // prefer the media_image display plugin.
  // @see \Drupal\lightning_media\Form\EntityEmbedDialog::buildEmbedStep()
  $sources['image']['entity_embed_display'] = 'media_image';
}

/**
 * Implements hook_form_FORM_ID_alter().
 */
function lightning_media_image_form_entity_browser_image_browser_form_alter(array &$form, FormStateInterface $form_state) {
  $form['#attached']['library'][] = 'lightning_media/browser.styling';
}

/**
 * Implements hook_ENTITY_TYPE_presave().
 */
function lightning_media_image_entity_form_display_presave(EntityFormDisplayInterface $display) {

  // Don't do anything during config sync.
  if (\Drupal::isConfigSyncing()) {
    return;
  }

  // Since the image browser integrates with the media library, it doesn't make
  // sense to use the image browser when creating or editing an image media
  // entity.
  if ($display
    ->getTargetEntityTypeId() == 'media' && $display
    ->getTargetBundle() == 'image') {
    return;
  }
  $filter = function (FieldStorageDefinitionInterface $field) {
    return $field
      ->getType() == 'image';
  };
  $new_components = \Drupal::service('lightning.display_helper')
    ->getNewFields($display, $filter);
  foreach ($new_components as $key => $component) {
    $display
      ->setComponent($key, [
      'type' => 'entity_browser_file',
      'weight' => $component['weight'],
      'settings' => [
        'entity_browser' => 'image_browser',
        'field_widget_edit' => TRUE,
        'field_widget_remove' => TRUE,
        'view_mode' => 'default',
        'preview_image_style' => 'thumbnail',
        'open' => TRUE,
      ],
      'region' => 'content',
    ]);
  }
}

Functions

Namesort descending Description
lightning_media_image_crop_type_insert Implements hook_ENTITY_TYPE_insert().
lightning_media_image_entity_form_display_presave Implements hook_ENTITY_TYPE_presave().
lightning_media_image_field_widget_info_alter Implements hook_field_widget_info_alter().
lightning_media_image_form_entity_browser_image_browser_form_alter Implements hook_form_FORM_ID_alter().
lightning_media_image_media_source_info_alter Implements hook_media_source_info_alter().
lightning_media_image_modules_installed Implements hook_modules_installed().
lightning_media_image_view_insert Implements hook_ENTITY_TYPE_insert().