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| <?php | |
| /** | |
| * @file | |
| * Contains \Drupal\Core\Render\Element\Date. | |
| */ | |
| namespace Drupal\Core\Render\Element; | |
| use Drupal\Core\Form\FormStateInterface; | |
| use Drupal\Core\Render\Element; | |
| /** | |
| * Provides a form element for date selection. | |
| * | |
| * Properties: | |
| * - #default_value: An array with the keys: 'year', 'month', and 'day'. | |
| * Defaults to the current date if no value is supplied. | |
| * | |
| * @code | |
| * $form['expiration'] = array( | |
| * '#type' => 'date', | |
| * '#title' => t('Content expiration'), | |
| * '#default_value' => array('year' => 2020, 'month' => 2, 'day' => 15,) | |
| * ); | |
| * @endcode | |
| * | |
| * @FormElement("date") | |
| */ | |
| class Date extends FormElement { | |
| /** | |
| * {@inheritdoc} | |
| */ | |
| public function getInfo() { | |
| $class = get_class($this); | |
| return [ | |
| '#input' => TRUE, | |
| '#theme' => 'input__date', | |
| '#process' => [[$class, 'processDate']], | |
| '#pre_render' => [[$class, 'preRenderDate']], | |
| '#theme_wrappers' => ['form_element'], | |
| '#attributes' => ['type' => 'date'], | |
| '#date_date_format' => 'Y-m-d', | |
| ]; | |
| } | |
| /** | |
| * Processes a date form element. | |
| * | |
| * @param array $element | |
| * The form element to process. Properties used: | |
| * - #attributes: An associative array containing: | |
| * - type: The type of date field rendered. | |
| * - #date_date_format: The date format used in PHP formats. | |
| * @param \Drupal\Core\Form\FormStateInterface $form_state | |
| * The current state of the form. | |
| * @param array $complete_form | |
| * The complete form structure. | |
| * | |
| * @return array | |
| * The processed element. | |
| */ | |
| public static function processDate(&$element, FormStateInterface $form_state, &$complete_form) { | |
| // Attach JS support for the date field, if we can determine which date | |
| // format should be used. | |
| if ($element['#attributes']['type'] == 'date' && !empty($element['#date_date_format'])) { | |
| $element['#attached']['library'][] = 'core/drupal.date'; | |
| $element['#attributes']['data-drupal-date-format'] = [$element['#date_date_format']]; | |
| } | |
| return $element; | |
| } | |
| /** | |
| * Adds form-specific attributes to a 'date' #type element. | |
| * | |
| * Supports HTML5 types of 'date', 'datetime', 'datetime-local', and 'time'. | |
| * Falls back to a plain textfield with JS datepicker support. Used as a | |
| * sub-element by the datetime element type. | |
| * | |
| * @param array $element | |
| * An associative array containing the properties of the element. | |
| * Properties used: #title, #value, #options, #description, #required, | |
| * #attributes, #id, #name, #type, #min, #max, #step, #value, #size. | |
| * | |
| * Note: The input "name" attribute needs to be sanitized before output, which | |
| * is currently done by initializing Drupal\Core\Template\Attribute with | |
| * all the attributes. | |
| * | |
| * @return array | |
| * The $element with prepared variables ready for #theme 'input__date'. | |
| */ | |
| public static function preRenderDate($element) { | |
| if (empty($element['#attributes']['type'])) { | |
| $element['#attributes']['type'] = 'date'; | |
| } | |
| Element::setAttributes($element, array('id', 'name', 'type', 'min', 'max', 'step', 'value', 'size')); | |
| static::setAttributes($element, array('form-' . $element['#attributes']['type'])); | |
| return $element; | |
| } | |
| } |