/**
* {@inheritdoc}
*/
public function buildForm(array $form, FormStateInterface $form_state)
{
$export_types = $this->config('rdf_export.settings')->get('export_types');
// @todo: Check which format are supported by the server?
$formats = Format::getFormats();
$list = [];
/** @var \EasyRdf\Format $format */
foreach ($formats as $format) {
if ($format->getSerialiserClass()) {
$list[$format->getName()] = $format->getLabel();
}
}
$form['export_types'] = array('#type' => 'select', '#title' => t('Export types'), '#options' => $list, '#multiple' => TRUE, '#default_value' => empty($export_types) ? [] : $export_types, '#description' => t('Select the export types for rdf entities.'));
return parent::buildForm($form, $form_state);
}
/**
* Builds a list of supported serialization formats.
*/
protected function getSerializerFormats()
{
// Many more are supported...
// @todo Move this to a settings form.
$white_list = $this->config('rdf_export.settings')->get('export_types');
$list = [];
$formats = Format::getFormats();
/** @var \EasyRdf\Format $format */
foreach ($formats as $format) {
if (!in_array($format->getName(), $white_list)) {
continue;
}
if ($format->getSerialiserClass()) {
$list[$format->getName()] = $format;
}
}
return $list;
}