Implements \Drupal\field\Plugin\Type\Widget\WidgetInterface::formElement().
Overrides WidgetInterface::formElement
public function formElement(array $items, $delta, array $element, $langcode, array &$form, array &$form_state) {
$field = $this->field;
$instance = $this->instance;
$date_order = $this
->getSetting('date_order');
$time_type = $this
->getSetting('time_type');
$increment = $this
->getSetting('increment');
// We're nesting some sub-elements inside the parent, so we
// need a wrapper. We also need to add another #title attribute
// at the top level for ease in identifying this item in error
// messages. We don't want to display this title because the
// actual title display is handled at a higher level by the Field
// module.
$element['#theme_wrappers'][] = 'datetime_wrapper';
$element['#attributes']['class'][] = 'container-inline';
$element['#element_validate'][] = 'datetime_datelist_widget_validate';
// Identify the type of date and time elements to use.
switch ($field['settings']['datetime_type']) {
case 'date':
$storage_format = DATETIME_DATE_STORAGE_FORMAT;
$type_type = 'none';
break;
default:
$storage_format = DATETIME_DATETIME_STORAGE_FORMAT;
break;
}
// Set up the date part order array.
switch ($date_order) {
case 'YMD':
$date_part_order = array(
'year',
'month',
'day',
);
break;
case 'MDY':
$date_part_order = array(
'month',
'day',
'year',
);
break;
case 'DMY':
$date_part_order = array(
'day',
'month',
'year',
);
break;
}
switch ($time_type) {
case '24':
$date_part_order = array_merge($date_part_order, array(
'hour',
'minute',
));
break;
case '12':
$date_part_order = array_merge($date_part_order, array(
'hour',
'minute',
'ampm',
));
break;
case 'none':
break;
}
$element['value'] = array(
'#type' => 'datelist',
'#default_value' => NULL,
'#date_increment' => $increment,
'#date_part_order' => $date_part_order,
'#date_timezone' => drupal_get_user_timezone(),
'#required' => $element['#required'],
);
// Set the storage and widget options so the validation can use them. The
// validator will not have access to field or instance settings.
$element['value']['#date_storage_format'] = $storage_format;
if (!empty($items[$delta]['date'])) {
$date = $items[$delta]['date'];
// The date was created and verified during field_load(), so it is safe to
// use without further inspection.
$date
->setTimezone(new \DateTimeZone($element['value']['#date_timezone']));
if ($field['settings']['datetime_type'] == 'date') {
// A date without time will pick up the current time, use the default
// time.
datetime_date_default_time($date);
}
$element['value']['#default_value'] = $date;
}
return $element;
}