/**
* {@inheritdoc}
*/
public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
{
$date_format = DateFormat::load('html_date')->getPattern();
$time_format = DateFormat::load('html_time')->getPattern();
$default_value = isset($items[$delta]->value) ? DrupalDateTime::createFromTimestamp($items[$delta]->value) : '';
$element['value'] = $element + array('#type' => 'datetime', '#default_value' => $default_value, '#date_year_range' => '1902:2037');
$element['value']['#description'] = $this->t('Format: %format. Leave blank to use the time of form submission.', array('%format' => Datetime::formatExample($date_format . ' ' . $time_format)));
return $element;
}
/**
* {@inheritdoc}
*/
public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state)
{
$element = parent::formElement($items, $delta, $element, $form, $form_state);
// Remove 'Leave blank to use the time of form submission' which is in the
// #description inherited from TimestampDatetimeWidget. The text here is not
// used because it is entirely replaced in scheduler_form_node_form_alter()
// However the widget is generic and may be used elsewhere in future.
$date_format = DateFormat::load('html_date')->getPattern();
$time_format = DateFormat::load('html_time')->getPattern();
$element['value']['#description'] = $this->t('Format: %format. Leave blank for no date.', array('%format' => Datetime::formatExample($date_format . ' ' . $time_format)));
// Set the callback function to allow interception of the submitted user
// input and add the default time if needed. It is too late to try this in
// function massageFormValues as the validation has already been done.
$element['value']['#value_callback'] = array($this, 'valueCallback');
return $element;
}