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<?php
namespace Drupal\webform\Element;
use Drupal\Core\Datetime\Entity\DateFormat;
use Drupal\Core\Render\Element;
use Drupal\Core\Render\Element\FormElement;
use Drupal\Core\Form\FormStateInterface;
class WebformTime extends FormElement {
public function getInfo() {
$class = get_class($this);
return [
'#input' => TRUE,
'#theme' => 'input__webform_time',
'#process' => [
[
$class,
'processWebformTime',
],
],
'#pre_render' => [
[
$class,
'preRenderWebformTime',
],
],
'#theme_wrappers' => [
'form_element',
],
'#timepicker' => FALSE,
'#time_format' => 'H:i',
'#size' => 12,
'#maxlength' => 12,
];
}
public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
if ($input === FALSE) {
if (!empty($element['#default_value'])) {
try {
new \DateTime($element['#default_value']);
} catch (\Exception $exception) {
\Drupal::messenger()
->addError($exception
->getMessage());
return NULL;
}
$element['#default_value'] = static::formatTime('H:i', strtotime($element['#default_value']));
return $element['#default_value'];
}
else {
return NULL;
}
}
return $input;
}
public static function processWebformTime(&$element, FormStateInterface $form_state, &$complete_form) {
$element += [
'#element_validate' => [],
];
array_unshift($element['#element_validate'], [
get_called_class(),
'validateWebformTime',
]);
$element['#attached']['library'][] = 'webform/webform.element.time';
$element['#attributes']['data-webform-time-format'] = !empty($element['#time_format']) ? $element['#time_format'] : DateFormat::load('html_time')
->getPattern();
return $element;
}
public static function validateWebformTime(&$element, FormStateInterface $form_state, &$complete_form) {
$has_access = Element::isVisibleElement($element);
$value = $element['#value'];
if (trim($value) === '') {
return;
}
$time = strtotime($value);
$is_valid_time = $time && ($value === static::formatTime('H:i', $time) || $value === static::formatTime('H:i:s', $time) || $value === static::formatTime($element['#time_format'], $time));
if (!$is_valid_time) {
if ($has_access) {
if (isset($element['#title'])) {
$form_state
->setError($element, t('%name must be a valid time.', [
'%name' => $element['#title'],
]));
}
else {
$form_state
->setError($element);
}
}
return;
}
$name = empty($element['#title']) ? $element['#parents'][0] : $element['#title'];
$time_format = $element['#time_format'];
if ($has_access && isset($element['#min'])) {
$min = strtotime($element['#min']);
if ($time < $min) {
$form_state
->setError($element, t('%name must be on or after %min.', [
'%name' => $name,
'%min' => static::formatTime($time_format, $min),
]));
}
}
if ($has_access && isset($element['#max'])) {
$max = strtotime($element['#max']);
if ($time > $max) {
$form_state
->setError($element, t('%name must be on or before %max.', [
'%name' => $name,
'%max' => static::formatTime($time_format, $max),
]));
}
}
$value = static::formatTime('H:i:s', $time);
$element['#time_format'] = 'H:i:s';
$element['#value'] = $value;
$form_state
->setValueForElement($element, $value);
}
public static function preRenderWebformTime(array $element) {
if (!empty($element['#timepicker'])) {
$element['#attributes']['type'] = 'text';
if (!empty($element['#value']) && !empty($element['#default_value']) && $element['#value'] === $element['#default_value']) {
$element['#value'] = static::formatTime($element['#attributes']['data-webform-time-format'], strtotime($element['#value']));
}
}
else {
$element['#attributes']['type'] = 'time';
}
Element::setAttributes($element, [
'id',
'name',
'type',
'value',
'size',
'maxlength',
'min',
'max',
'step',
]);
static::setAttributes($element, [
'form-time',
'webform-time',
]);
return $element;
}
protected static function formatTime($custom_format, $timestamp = NULL) {
$date_formatter = \Drupal::service('date.formatter');
return $date_formatter
->format($timestamp ?: time(), 'custom', $custom_format);
}
}