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103 lines
3.3 KiB
103 lines
3.3 KiB
4 years ago
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<?php
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/**
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* @file
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* Contains islandora.tokens.inc.
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*
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* This file provides islandora tokens.
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*/
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use Drupal\Core\Render\BubbleableMetadata;
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/**
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* Implements hook_token_info().
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*/
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function islandora_token_info() {
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$type = [
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'name' => t('Islandora Tokens'),
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'description' => t('Tokens for Islandora objects.'),
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];
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$node['media-thumbnail-image:url'] = [
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'name' => t('Media: Thumbnail Image URL.'),
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'description' => t('URL of Thumbnail Image associated with Islandora Object via Media.'),
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];
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$node['media-thumbnail-image:alt'] = [
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'name' => t('Alternative text for Media: Thumbnail Image.'),
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'description' => t('Alternative text for Thumbnail Image associated with Islandora Object via Media.'),
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];
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// Deprecated in favour if hyphenated version.
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$node['media_thumbnail_image:url'] = [
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'name' => t('Media: Thumbnail Image URL.'),
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'description' => t('Deprecated: URL of Thumbnail Image associated with Islandora Object via Media.'),
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];
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// Deprecated in favour if hyphenated version.
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$node['media_thumbnail_image:alt'] = [
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'name' => t('Alternative text for Media: Thumbnail Image.'),
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'description' => t('Deprecated: Alternative text for Thumbnail Image associated with Islandora Object via Media.'),
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];
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return [
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'types' => ['islandoratokens' => $type],
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'tokens' => ['islandoratokens' => $node],
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];
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}
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/**
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* Implements hook_tokens().
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*/
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function islandora_tokens($type, $tokens, array $data, array $options, BubbleableMetadata $bubbleable_metadata) {
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$replacements = [];
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if ($type == 'islandoratokens' && !empty($data['node'])) {
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if (!is_array($tokens) || empty($tokens)) {
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\Drupal::logger('islandora')
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->alert(
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'Tokens not correct format: @tokens', [
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'@tokens' => print_r($tokens, 1),
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]
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);
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return;
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}
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$islandoraUtils = \Drupal::service('islandora.utils');
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foreach ($tokens as $name => $original) {
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switch ($name) {
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case 'media-thumbnail-image:url':
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case 'media_thumbnail_image:url':
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$term = $islandoraUtils->getTermForUri('http://pcdm.org/use#ThumbnailImage');
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$media = $islandoraUtils->getMediaWithTerm($data['node'], $term);
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// Is there media?
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// @todo is this single or multiple?
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if ($media) {
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$file = \Drupal::service('islandora.media_source_service')->getSourceFile($media);
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if (!empty($file)) {
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$url = $file->url();
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$replacements[$original] = $url;
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}
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}
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break;
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case 'media-thumbnail-image:alt':
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case 'media_thumbnail_image:alt':
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$alt = '';
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$term = $islandoraUtils->getTermForUri('http://pcdm.org/use#ThumbnailImage');
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$media = $islandoraUtils->getMediaWithTerm($data['node'], $term);
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// Is there media?
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// @todo is this single or multiple?
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if ($media) {
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// Is the media an image?
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if (isset($media->field_media_image)) {
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$alt = $media->field_media_image[0]->alt;
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}
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}
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// @todo get alt from original or service file, if thumbnail
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// alt is empty.
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$replacements[$original] = $alt;
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break;
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}
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}
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}
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return $replacements;
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}
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