EpubTableOfContent.php in Epub 8
File
src/Plugin/Field/FieldFormatter/EpubTableOfContent.php
View source
<?php
namespace Drupal\epub\Plugin\Field\FieldFormatter;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\file\Plugin\Field\FieldFormatter\FileFormatterBase;
class EpubTableOfContent extends FileFormatterBase {
public function viewElements(FieldItemListInterface $items, $langcode) {
$elements = array();
foreach ($this
->getEntitiesToView($items, $langcode) as $delta => $file) {
if ($file
->getMimeType() == 'application/epub+zip') {
$file_url = file_create_url($file
->getFileUri());
$dir = 'public://epub_content/' . $file
->id();
$elements[$delta] = array(
'#theme' => 'epub_formatter_toc',
'#file' => $file_url,
'#toc' => epub_get_toc($dir, '_blank'),
);
}
else {
$elements[$delta] = array(
'#theme' => 'file_link',
'#file' => $file,
);
}
}
return $elements;
}
}