/**
* Submission callback for the first step.
*/
public function stepOneSubmit($form, FormStateInterface $form_state)
{
// Increment the internal step counter.
$this->step++;
$cached_values = $form_state->getTemporaryValue('wizard');
$parameters = $this->getNextParameters($cached_values);
// This is validated in EmbridgeSearchForm::validateForm().
$result_chosen = $form_state->getUserInput()['result_chosen'];
$asset = EmbridgeAssetEntity::load($result_chosen);
$image_element = ['src' => \Drupal::getContainer()->get('embridge.asset_helper')->getAssetConversionUrl($asset, 'emshare', 'thumb'), 'data-entity-uuid' => $asset->uuid(), 'data-entity-type' => 'embridge_asset_entity', 'alt' => '', 'width' => '', 'height' => ''];
$parameters['image_element'] = $image_element;
$form_state->setTemporaryValue('wizard', $parameters);
$form_state->setRebuild();
}
/**
* Form element validation callback for upload element on file widget.
*
* Checks if user has uploaded more files than allowed.
*
* This validator is used only when cardinality not set to 1 or unlimited.
*
* @param array $element
* The element.
* @param FormStateInterface $form_state
* The form state.
* @param array $form
* The form.
*/
public static function validateMultipleCount($element, FormStateInterface $form_state, $form)
{
$parents = $element['#parents'];
$values = NestedArray::getValue($form_state->getValues(), $parents);
array_pop($parents);
$current = count(Element::children(NestedArray::getValue($form, $parents))) - 1;
$field_storage_definitions = \Drupal::entityManager()->getFieldStorageDefinitions($element['#entity_type']);
$field_storage = $field_storage_definitions[$element['#field_name']];
$uploaded = count($values['fids']);
$count = $uploaded + $current;
if ($count > $field_storage->getCardinality()) {
$keep = $uploaded - $count + $field_storage->getCardinality();
$removed_files = array_slice($values['fids'], $keep);
$removed_names = array();
foreach ($removed_files as $id) {
/** @var \Drupal\embridge\EmbridgeAssetEntityInterface $asset */
$asset = EmbridgeAssetEntity::load($id);
$removed_names[] = $asset->getFilename();
}
$args = array('%field' => $field_storage->getName(), '@max' => $field_storage->getCardinality(), '@count' => $uploaded, '%list' => implode(', ', $removed_names));
$message = t('Field %field can only hold @max values but there were @count uploaded. The following files have been omitted as a result: %list.', $args);
drupal_set_message($message, 'warning');
$values['fids'] = array_slice($values['fids'], 0, $keep);
NestedArray::setValue($form_state->getValues(), $element['#parents'], $values);
}
}
/**
* {@inheritdoc}
*/
public static function valueCallback(&$element, $input, FormStateInterface $form_state)
{
// Find the current value of this field.
$fids = !empty($input['fids']) ? explode(' ', $input['fids']) : [];
foreach ($fids as $key => $fid) {
$fids[$key] = (int) $fid;
}
// Process any input and save new uploads.
if ($input !== FALSE) {
$input['fids'] = $fids;
$return = $input;
// Uploads take priority over all other values.
if ($files = self::saveFileUpload($element, $form_state)) {
if ($element['#multiple']) {
$fids = array_merge($fids, array_keys($files));
} else {
$fids = array_keys($files);
}
} else {
// Check for #filefield_value_callback values.
// Because FAPI does not allow multiple #value_callback values like it
// does for #element_validate and #process, this fills the missing
// functionality to allow File fields to be extended through FAPI.
if (isset($element['#file_value_callbacks'])) {
foreach ($element['#file_value_callbacks'] as $callback) {
$callback($element, $input, $form_state);
}
}
// Load files if the FIDs have changed to confirm they exist.
if (!empty($input['fids'])) {
$fids = [];
foreach ($input['fids'] as $fid) {
if ($file = EmbridgeAssetEntity::load($fid)) {
$fids[] = $file->id();
}
}
}
}
} else {
if ($element['#extended']) {
$default_fids = isset($element['#default_value']['fids']) ? $element['#default_value']['fids'] : [];
$return = isset($element['#default_value']) ? $element['#default_value'] : ['fids' => []];
} else {
$default_fids = isset($element['#default_value']) ? $element['#default_value'] : [];
$return = ['fids' => []];
}
// Confirm that the file exists when used as a default value.
if (!empty($default_fids)) {
$fids = [];
foreach ($default_fids as $fid) {
if ($file = EmbridgeAssetEntity::load($fid)) {
$fids[] = $file->id();
}
}
}
}
$return['fids'] = $fids;
return $return;
}
