View source
<?php
namespace Drupal\filefield_sources\Plugin\FilefieldSource;
use Drupal\Core\Form\FormStateInterface;
use Drupal\filefield_sources\FilefieldSourceInterface;
use Symfony\Component\Routing\Route;
use Drupal\Core\Field\WidgetInterface;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Drupal\Component\Utility\Unicode;
use Drupal\Component\Utility\Html;
use Drupal\file\Entity\File;
class Reference implements FilefieldSourceInterface {
public static function value(array &$element, &$input, FormStateInterface $form_state) {
if (isset($input['filefield_reference']['autocomplete']) && strlen($input['filefield_reference']['autocomplete']) > 0 && $input['filefield_reference']['autocomplete'] != FILEFIELD_SOURCE_REFERENCE_HINT_TEXT) {
$matches = [];
if (preg_match('/\\[fid:(\\d+)\\]/', $input['filefield_reference']['autocomplete'], $matches)) {
$fid = $matches[1];
if ($file = File::load($fid)) {
if (isset($element['#upload_validators']['file_validate_size'])) {
unset($element['#upload_validators']['file_validate_size']);
}
if (!$file
->access('download')) {
$form_state
->setError($element, t('You do not have permission to use the selected file.'));
}
elseif (filefield_sources_element_validate($element, (object) $file, $form_state)) {
if (!in_array($file
->id(), $input['fids'])) {
$input['fids'][] = $file
->id();
}
}
}
else {
$form_state
->setError($element, t('The referenced file could not be used because the file does not exist in the database.'));
}
}
$input['filefield_reference']['autocomplete'] = '';
}
}
public static function process(array &$element, FormStateInterface $form_state, array &$complete_form) {
$element['filefield_reference'] = [
'#weight' => 100.5,
'#theme' => 'filefield_sources_element',
'#source_id' => 'reference',
'#filefield_source' => TRUE,
'#filefield_sources_hint_text' => FILEFIELD_SOURCE_REFERENCE_HINT_TEXT,
];
$autocomplete_route_parameters = [
'entity_type' => $element['#entity_type'],
'bundle_name' => $element['#bundle'],
'field_name' => $element['#field_name'],
];
$element['filefield_reference']['autocomplete'] = [
'#type' => 'textfield',
'#autocomplete_route_name' => 'filefield_sources.autocomplete',
'#autocomplete_route_parameters' => $autocomplete_route_parameters,
'#description' => filefield_sources_element_validation_help($element['#upload_validators']),
];
$class = '\\Drupal\\file\\Element\\ManagedFile';
$ajax_settings = [
'callback' => [
$class,
'uploadAjaxCallback',
],
'options' => [
'query' => [
'element_parents' => implode('/', $element['#array_parents']),
],
],
'wrapper' => $element['upload_button']['#ajax']['wrapper'],
'effect' => 'fade',
];
$element['filefield_reference']['select'] = [
'#name' => implode('_', $element['#parents']) . '_autocomplete_select',
'#type' => 'submit',
'#value' => t('Select'),
'#validate' => [],
'#submit' => [
'filefield_sources_field_submit',
],
'#limit_validation_errors' => [
$element['#parents'],
],
'#ajax' => $ajax_settings,
];
return $element;
}
public static function element($variables) {
$element = $variables['element'];
$element['autocomplete']['#field_suffix'] = \Drupal::service('renderer')
->render($element['select']);
return '<div class="filefield-source filefield-source-reference clear-block">' . \Drupal::service('renderer')
->render($element['autocomplete']) . '</div>';
}
public static function autocomplete(Request $request, $entity_type, $bundle_name, $field_name) {
$matches = [];
$string = mb_strtolower($request->query
->get('q'));
if (isset($string)) {
$widget = \Drupal::service('entity_display.repository')
->getFormDisplay($entity_type, $bundle_name, 'default')
->getComponent($field_name);
if ($widget) {
$setting_autocomplete = $widget['third_party_settings']['filefield_sources']['filefield_sources']['source_reference']['autocomplete'];
$setting_search_all_fields = $widget['third_party_settings']['filefield_sources']['filefield_sources']['source_reference']['search_all_fields'];
}
$field_definition = \Drupal::entityTypeManager()
->getStorage('field_config')
->load($entity_type . '.' . $bundle_name . '.' . $field_name);
if (!isset($field_definition) || $setting_search_all_fields) {
$field_definitions = \Drupal::entityTypeManager()
->getStorage('field_config')
->loadByProperties([
'type' => [
'file',
'image',
],
]);
}
else {
$field_definitions = [
$field_definition,
];
}
foreach ($field_definitions as $field_definition) {
$handler = \Drupal::getContainer()
->get('plugin.manager.entity_reference_selection')
->getSelectionHandler($field_definition);
$match_operator = empty($setting_autocomplete) ? 'STARTS_WITH' : 'CONTAINS';
$entity_labels = $handler
->getReferenceableEntities($string, $match_operator, 10);
foreach ($entity_labels as $values) {
foreach ($values as $entity_id => $label) {
$key = "{$label} [fid:{$entity_id}]";
$key = preg_replace('/\\s\\s+/', ' ', str_replace("\n", '', trim(Html::decodeEntities(strip_tags($key)))));
$matches[] = [
'value' => $key,
'label' => $label,
];
}
}
}
}
return new JsonResponse($matches);
}
public static function routes() {
$routes = [];
$routes['filefield_sources.autocomplete'] = new Route('/file/reference/{entity_type}/{bundle_name}/{field_name}', [
'_controller' => get_called_class() . '::autocomplete',
], [
'_access_filefield_sources_field' => 'TRUE',
]);
return $routes;
}
public static function settings(WidgetInterface $plugin) {
$settings = $plugin
->getThirdPartySetting('filefield_sources', 'filefield_sources', [
'source_reference' => [
'autocomplete' => FILEFIELD_SOURCE_REFERENCE_MATCH_STARTS_WITH,
'search_all_fields' => FILEFIELD_SOURCE_REFERENCE_SEARCH_ALL_NO,
],
]);
$return['source_reference'] = [
'#title' => t('Autocomplete reference options'),
'#type' => 'details',
];
$return['source_reference']['autocomplete'] = [
'#title' => t('Match file name'),
'#options' => [
FILEFIELD_SOURCE_REFERENCE_MATCH_STARTS_WITH => t('Starts with'),
FILEFIELD_SOURCE_REFERENCE_MATCH_CONTAINS => t('Contains'),
],
'#type' => 'radios',
'#default_value' => isset($settings['source_reference']['autocomplete']) ? $settings['source_reference']['autocomplete'] : FILEFIELD_SOURCE_REFERENCE_MATCH_STARTS_WITH,
];
$return['source_reference']['search_all_fields'] = [
'#title' => t('Search all file fields'),
'#options' => [
FILEFIELD_SOURCE_REFERENCE_SEARCH_ALL_NO => t('No (only fields with the same field base will be searched)'),
FILEFIELD_SOURCE_REFERENCE_SEARCH_ALL_YES => t('Yes (all file fields will be searched, regardless of type)'),
],
'#type' => 'radios',
'#default_value' => isset($settings['source_reference']['search_all_fields']) ? $settings['source_reference']['search_all_fields'] : FILEFIELD_SOURCE_REFERENCE_SEARCH_ALL_NO,
];
return $return;
}
}