Contains \Drupal\entity_reference\Plugin\field\widget\AutocompleteTagsWidget.
<?php
/**
* @file
* Contains \Drupal\entity_reference\Plugin\field\widget\AutocompleteTagsWidget.
*/
namespace Drupal\entity_reference\Plugin\field\widget;
use Drupal\Component\Annotation\Plugin;
use Drupal\Core\Annotation\Translation;
use Drupal\entity_reference\Plugin\field\widget\AutocompleteWidgetBase;
/**
* Plugin implementation of the 'entity_reference autocomplete-tags' widget.
*
* @Plugin(
* id = "entity_reference_autocomplete_tags",
* module = "entity_reference",
* label = @Translation("Autocomplete (Tags style)"),
* description = @Translation("An autocomplete text field."),
* field_types = {
* "entity_reference"
* },
* settings = {
* "match_operator" = "CONTAINS",
* "size" = 60,
* "autocomplete_path" = "entity_reference/autocomplete/tags",
* "placeholder" = ""
* },
* multiple_values = TRUE
* )
*/
class AutocompleteTagsWidget extends AutocompleteWidgetBase {
/**
* Overrides \Drupal\entity_reference\Plugin\field\widget\AutocompleteWidgetBase::elementValidate()
*/
public function elementValidate($element, &$form_state, $form) {
$value = array();
// If a value was entered into the autocomplete.
$handler = entity_reference_get_selection_handler($this->field, $this->instance);
$bundles = entity_get_bundles($this->field['settings']['target_type']);
$auto_create = isset($this->instance['settings']['handler_settings']['auto_create']) ? $this->instance['settings']['handler_settings']['auto_create'] : FALSE;
if (!empty($element['#value'])) {
$value = array();
foreach (drupal_explode_tags($element['#value']) as $input) {
$match = FALSE;
// Take "label (entity id)', match the id from parenthesis.
if (preg_match("/.+\\((\\d+)\\)/", $input, $matches)) {
$match = $matches[1];
}
else {
// Try to get a match from the input string when the user didn't use
// the autocomplete but filled in a value manually.
$match = $handler
->validateAutocompleteInput($input, $element, $form_state, $form, !$auto_create);
}
if ($match) {
$value[] = array(
'target_id' => $match,
);
}
elseif ($auto_create && (count($this->instance['settings']['handler_settings']['target_bundles']) == 1 || count($bundles) == 1)) {
// Auto-create item. see entity_reference_field_presave().
$value[] = array(
'target_id' => 0,
'entity' => $this
->createNewEntity($input, $element['#autocreate_uid']),
);
}
}
}
// Change the element['#parents'], so in form_set_value() we
// populate the correct key.
array_pop($element['#parents']);
form_set_value($element, $value, $form_state);
}
}
Name | Description |
---|---|
AutocompleteTagsWidget | Plugin implementation of the 'entity_reference autocomplete-tags' widget. |