https://github.com/diegopino */ use Drupal\Core\Entity\Display\EntityViewDisplayInterface; use Drupal\Core\Entity\EntityInterface; use Drupal\Core\Form\FormStateInterface; use Drupal\Core\Url; use Drupal\islandora\Form\IslandoraSettingsForm; use Drupal\islandora\GeminiLookup; use Drupal\node\NodeInterface; use Drupal\media\MediaInterface; use Drupal\file\FileInterface; use Drupal\taxonomy\TermInterface; use Drupal\Core\Routing\RouteMatchInterface; /** * Implements hook_help(). */ function islandora_help($route_name, RouteMatchInterface $route_match) { switch ($route_name) { // Main module help for the islandora module. case 'help.page.islandora': $output = ''; $output .= '

' . t('About') . '

'; $output .= '

' . t('Islandora integrates Drupal with a Fedora repository.') . '

'; return $output; default: } } /** * Implements hook_rdf_namespaces(). */ function islandora_rdf_namespaces() { // Yes, it's amazing, rdf is not registered by default! return [ 'ldp' => 'http://www.w3.org/ns/ldp#', 'dc11' => 'http://purl.org/dc/elements/1.1/', 'nfo' => 'http://www.semanticdesktop.org/ontologies/2007/03/22/nfo/v1.1/', 'ebucore' => 'http://www.ebu.ch/metadata/ontologies/ebucore/ebucore#', 'fedora' => 'http://fedora.info/definitions/v4/repository#', 'owl' => 'http://www.w3.org/2002/07/owl#', 'ore' => 'http://www.openarchives.org/ore/terms/', 'rdf' => 'http://www.w3.org/1999/02/22-rdf-syntax-ns#', 'islandora' => 'http://islandora.ca/CLAW/', 'pcdm' => 'http://pcdm.org/models#', 'use' => 'http://pcdm.org/use#', 'iana' => 'http://www.iana.org/assignments/relation/', 'premis' => 'http://www.loc.gov/premis/rdf/v1#', 'co' => 'http://purl.org/co/', ]; } /** * Implements hook_node_insert(). */ function islandora_node_insert(NodeInterface $node) { $utils = \Drupal::service('islandora.utils'); // Execute index reactions. $utils->executeNodeReactions('\Drupal\islandora\Plugin\ContextReaction\IndexReaction', $node); } /** * Implements hook_node_update(). */ function islandora_node_update(NodeInterface $node) { $utils = \Drupal::service('islandora.utils'); if (!$utils->haveFieldsChanged($node, $node->original)) { return; }; // Execute index reactions. $utils->executeNodeReactions('\Drupal\islandora\Plugin\ContextReaction\IndexReaction', $node); } /** * Implements hook_node_delete(). */ function islandora_node_delete(NodeInterface $node) { $utils = \Drupal::service('islandora.utils'); // Execute delete reactions. $utils->executeNodeReactions('\Drupal\islandora\Plugin\ContextReaction\DeleteReaction', $node); } /** * Implements hook_media_insert(). */ function islandora_media_insert(MediaInterface $media) { $utils = \Drupal::service('islandora.utils'); // Execute index reactions. $utils->executeMediaReactions('\Drupal\islandora\Plugin\ContextReaction\IndexReaction', $media); // If it has a parent node... $node = $utils->getParentNode($media); if ($node) { // Fire off derivative reactions for the Media. $utils->executeDerivativeReactions( '\Drupal\islandora\Plugin\ContextReaction\DerivativeReaction', $node, $media ); } } /** * Implements hook_media_update(). */ function islandora_media_update(MediaInterface $media) { $media_source_service = \Drupal::service('islandora.media_source_service'); // Exit early if nothing's changed. $utils = \Drupal::service('islandora.utils'); if (!$utils->haveFieldsChanged($media, $media->original)) { return; }; // Execute index reactions. $utils->executeMediaReactions('\Drupal\islandora\Plugin\ContextReaction\IndexReaction', $media); // Does it have a source field? $source_field = $media_source_service->getSourceFieldName($media->bundle()); if (empty($source_field)) { return; } // Exit early if the source file did not change. if ($media->get($source_field)->equals($media->original->get($source_field))) { return; } // If it has a parent node... $node = $utils->getParentNode($media); if ($node) { // Fire off derivative reactions for the Media. $utils->executeDerivativeReactions( '\Drupal\islandora\Plugin\ContextReaction\DerivativeReaction', $node, $media ); } } /** * Implements hook_media_delete(). */ function islandora_media_delete(MediaInterface $media) { $utils = \Drupal::service('islandora.utils'); // Execute delete reactions. $utils->executeMediaReactions('\Drupal\islandora\Plugin\ContextReaction\DeleteReaction', $media); } /** * Implements hook_file_insert(). */ function islandora_file_insert(FileInterface $file) { $utils = \Drupal::service('islandora.utils'); // Execute index reactions. $utils->executeFileReactions('\Drupal\islandora\Plugin\ContextReaction\IndexReaction', $file); } /** * Implements hook_file_update(). */ function islandora_file_update(FileInterface $file) { // Exit early if unchanged. if ($file->filehash['sha1'] == $file->original->filehash['sha1']) { return; } $utils = \Drupal::service('islandora.utils'); // Execute index reactions. $utils->executeFileReactions('\Drupal\islandora\Plugin\ContextReaction\IndexReaction', $file); // Execute derivative reactions. foreach ($utils->getReferencingMedia($file->id()) as $media) { $node = $utils->getParentNode($media); if ($node) { $utils->executeDerivativeReactions( '\Drupal\islandora\Plugin\ContextReaction\DerivativeReaction', $node, $media ); } } } /** * Implements hook_file_delete(). */ function islandora_file_delete(FileInterface $file) { $utils = \Drupal::service('islandora.utils'); // Execute delete reactions. $utils->executeFileReactions('\Drupal\islandora\Plugin\ContextReaction\DeleteReaction', $file); } /** * Implements hook_taxonomy_term_insert(). */ function islandora_taxonomy_term_insert(TermInterface $term) { $utils = \Drupal::service('islandora.utils'); // Execute delete reactions. $utils->executeTermReactions('\Drupal\islandora\Plugin\ContextReaction\IndexReaction', $term); } /** * Implements hook_taxonomy_term_update(). */ function islandora_taxonomy_term_update(TermInterface $term) { $utils = \Drupal::service('islandora.utils'); // Execute delete reactions. $utils->executeTermReactions('\Drupal\islandora\Plugin\ContextReaction\IndexReaction', $term); } /** * Implements hook_taxonomy_term_delete(). */ function islandora_taxonomy_term_delete(TermInterface $term) { $utils = \Drupal::service('islandora.utils'); // Execute delete reactions. $utils->executeTermReactions('\Drupal\islandora\Plugin\ContextReaction\DeleteReaction', $term); } /** * Implements hook_jsonld_alter_normalized_array(). */ function islandora_jsonld_alter_normalized_array(EntityInterface $entity, array &$normalized, array $context) { $context_manager = \Drupal::service('context.manager'); foreach ($context_manager->getActiveReactions('\Drupal\islandora\ContextReaction\NormalizerAlterReaction') as $reaction) { $reaction->execute($entity, $normalized, $context); } } /** * Implements hook_entity_view_mode_alter(). */ function islandora_entity_view_mode_alter(&$view_mode, EntityInterface $entity) { // Change the view mode based on user input from a 'view_mode_alter' // ContextReaction. $storage = \Drupal::service('entity_type.manager')->getStorage('entity_view_mode'); $context_manager = \Drupal::service('context.manager'); $current_entity = \Drupal::routeMatch()->getParameter('node'); $current_id = ($current_entity instanceof NodeInterface) ? $current_entity->id() : NULL; if (isset($current_id) && $current_id == $entity->id()) { foreach ($context_manager->getActiveReactions('\Drupal\islandora\Plugin\ContextReaction\ViewModeAlterReaction') as $reaction) { // Construct the new view mode's machine name. $entity_type = $entity->getEntityTypeId(); $mode = $reaction->execute(); $machine_name = "$entity_type.$mode"; // Try to load it. $new_mode = $storage->load($machine_name); // If successful, alter the view mode. if ($new_mode) { $view_mode = $mode; } else { // Otherwise, leave it be, but log a message. \Drupal::logger('islandora') ->info("EntityViewMode $machine_name does not exist. View mode cannot be altered."); } } } } /** * Implements hook_preprocess_node(). */ function islandora_preprocess_node(&$variables) { // Using alternate view modes causes on a node's canoncial page // causes the title to get printed out twice. Once from the // fields themselves and again as a block above the main content. // Setting 'page' to TRUE gets rid of the title in the fields and // leaves the block. This makes it look uniform with the 'default' // view mode. if (node_is_page($variables['elements']['#node'])) { $variables['page'] = TRUE; } } /** * Implements hook_entity_form_display_alter(). */ function islandora_entity_form_display_alter(&$form_display, $context) { // Change the form display based on user input from a 'form_display_alter' // ContextReaction. $storage = \Drupal::service('entity_type.manager')->getStorage('entity_form_display'); $context_manager = \Drupal::service('context.manager'); // Alter form display based on context. foreach ($context_manager->getActiveReactions('\Drupal\islandora\Plugin\ContextReaction\FormDisplayAlterReaction') as $reaction) { // Construct the new form display's machine name. $entity_type = $context['entity_type']; $bundle = $context['bundle']; $mode = $reaction->execute(); $machine_name = "$entity_type.$bundle.$mode"; // Try to load it. $new_display = $storage->load($machine_name); // If successful, alter the form display. if ($new_display) { $form_display = $new_display; } else { // Otherwise, leave it be, but log a message. \Drupal::logger('islandora')->info("EntityFormDisplay $machine_name does not exist. Form display cannot be altered."); } } } /** * Implements hook_form_form_id_alter(). */ function islandora_form_block_form_alter(&$form, FormStateInterface $form_state, $form_id) { // Unset our custom conditions. There's too many to use well within // the core block placement UI, and no other reasonable way to filter // them out. See https://www.drupal.org/node/2284687. Use // /admin/structure/context instead if you want to use these conditions // to alter block layout. unset($form['visibility']['content_entity_type']); unset($form['visibility']['parent_node_has_term']); unset($form['visibility']['node_had_namespace']); unset($form['visibility']['media_has_term']); unset($form['visibility']['file_uses_filesystem']); unset($form['visibility']['node_has_term']); unset($form['visibility']['node_has_parent']); unset($form['visibility']['media_uses_filesystem']); unset($form['visibility']['media_has_mimetype']); } /** * Implements hook_entity_extra_field_info(). */ function islandora_entity_extra_field_info() { $config_factory = \Drupal::service('config.factory')->get(IslandoraSettingsForm::CONFIG_NAME); $extra_field = []; $pseudo_bundles = $config_factory->get(IslandoraSettingsForm::GEMINI_PSEUDO); foreach ($pseudo_bundles as $key) { list($bundle, $content_entity) = explode(":", $key); $extra_field[$content_entity][$bundle]['display']['field_gemini_uri'] = [ 'label' => t('Fedora URI'), 'description' => t('The URI to the persistent'), 'weight' => 100, 'visible' => TRUE, ]; } return $extra_field; } /** * Implements hook_entity_view(). */ function islandora_entity_view(array &$build, EntityInterface $entity, EntityViewDisplayInterface $display, $view_mode) { $route_match_item = \Drupal::routeMatch()->getParameters()->all(); // Get the parameter, which might be node, media or taxonomy term. $current_entity = reset($route_match_item); // Match exactly to ensure they are the same entity type too. if ($entity === $current_entity) { if ($display->getComponent('field_gemini_uri')) { $gemini = \Drupal::service('islandora.gemini.lookup'); if ($gemini instanceof GeminiLookup) { $fedora_uri = $gemini->lookup($entity); if (!is_null($fedora_uri)) { $build['field_gemini_uri'] = [ '#type' => 'container', '#attributes' => [ 'id' => 'field-gemini-uri', ], 'internal_label' => [ '#type' => 'item', '#title' => t('Fedora URI'), 'internal_uri' => [ '#type' => 'link', '#title' => t("@url", ['@url' => $fedora_uri]), '#url' => Url::fromUri($fedora_uri), ], ], ]; } } } } }