Drupal modules for browsing and managing Fedora-based digital repositories.
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<?php
namespace Drupal\islandora_image\Plugin\Action;
use Drupal\Core\Form\FormStateInterface;
use Drupal\islandora\Plugin\Action\AbstractGenerateDerivativeMediaFile;
/**
* Emits a Media for generating derivatives event.
*
* Attaches the result as a file in an image field on the emitting
* Media ("multi-file media").
*
* @Action(
* id = "generate_image_derivative_file",
* label = @Translation("Generate an Image Derivative for Media Attachment"),
* type = "media"
* )
*/
class GenerateImageDerivativeFile extends AbstractGenerateDerivativeMediaFile {
/**
* {@inheritdoc}
*/
public function defaultConfiguration() {
$config = parent::defaultConfiguration();
$config['path'] = '[date:custom:Y]-[date:custom:m]/[media:mid]-ImageService.jpg';
$config['mimetype'] = 'application/xml';
$config['queue'] = 'islandora-connector-houdini';
$config['scheme'] = $this->config->get('default_scheme');
return $config;
}
/**
* {@inheritdoc}
*/
public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
$form = parent::buildConfigurationForm($form, $form_state);
$map = $this->entityFieldManager->getFieldMapByFieldType('image');
$file_fields = $map['media'];
$file_options = array_combine(array_keys($file_fields), array_keys($file_fields));
$file_options = array_merge(['' => ''], $file_options);
// @todo figure out how to write to thumbnail, which is not a real field.
// see https://github.com/Islandora/islandora/issues/891.
unset($file_options['thumbnail']);
$form['destination_field_name'] = [
'#required' => TRUE,
'#type' => 'select',
'#options' => $file_options,
'#title' => $this->t('Destination Image field'),
'#default_value' => $this->configuration['destination_field_name'],
'#description' => $this->t('This Action stores the derivative in an
Image field. If you are creating a TIFF or JP2, instead use
"Generate a Derivative File for Media Attachment". Selected target field
must be an additional field, not the media\'s main storage field.
Selected target field must be present on the media.'),
];
$form['mimetype']['#value'] = 'image/jpeg';
$form['mimetype']['#description'] = 'Mimetype to convert to. Must be
compatible with the destination image field.';
return $form;
}
}