3 namespace Drupal\datetime_range\Plugin\Field\FieldType;
5 use Drupal\Core\Datetime\DrupalDateTime;
6 use Drupal\Core\Entity\FieldableEntityInterface;
7 use Drupal\Core\Field\FieldDefinitionInterface;
8 use Drupal\Core\Field\FieldItemList;
9 use Drupal\Core\Form\FormStateInterface;
10 use Drupal\datetime\Plugin\Field\FieldType\DateTimeFieldItemList;
13 * Represents a configurable entity daterange field.
15 class DateRangeFieldItemList extends DateTimeFieldItemList {
20 public function defaultValuesForm(array &$form, FormStateInterface $form_state) {
21 if (empty($this->getFieldDefinition()->getDefaultValueCallback())) {
22 $default_value = $this->getFieldDefinition()->getDefaultValueLiteral();
24 $element = parent::defaultValuesForm($form, $form_state);
26 $element['default_date_type']['#title'] = $this->t('Default start date');
27 $element['default_date_type']['#description'] = $this->t('Set a default value for the start date.');
29 $element['default_end_date_type'] = [
31 '#title' => $this->t('Default end date'),
32 '#description' => $this->t('Set a default value for the end date.'),
33 '#default_value' => isset($default_value[0]['default_end_date_type']) ? $default_value[0]['default_end_date_type'] : '',
35 static::DEFAULT_VALUE_NOW => $this->t('Current date'),
36 static::DEFAULT_VALUE_CUSTOM => $this->t('Relative date'),
41 $element['default_end_date'] = [
42 '#type' => 'textfield',
43 '#title' => $this->t('Relative default value'),
44 '#description' => $this->t("Describe a time by reference to the current day, like '+90 days' (90 days from the day the field is created) or '+1 Saturday' (the next Saturday). See <a href=\"http://php.net/manual/function.strtotime.php\">strtotime</a> for more details."),
45 '#default_value' => (isset($default_value[0]['default_end_date_type']) && $default_value[0]['default_end_date_type'] == static::DEFAULT_VALUE_CUSTOM) ? $default_value[0]['default_end_date'] : '',
48 ':input[id="edit-default-value-input-default-end-date-type"]' => ['value' => static::DEFAULT_VALUE_CUSTOM],
60 public function defaultValuesFormValidate(array $element, array &$form, FormStateInterface $form_state) {
61 if ($form_state->getValue(['default_value_input', 'default_date_type']) == static::DEFAULT_VALUE_CUSTOM) {
62 $is_strtotime = @strtotime($form_state->getValue(['default_value_input', 'default_date']));
64 $form_state->setErrorByName('default_value_input][default_date', $this->t('The relative start date value entered is invalid.'));
68 if ($form_state->getValue(['default_value_input', 'default_end_date_type']) == static::DEFAULT_VALUE_CUSTOM) {
69 $is_strtotime = @strtotime($form_state->getValue(['default_value_input', 'default_end_date']));
71 $form_state->setErrorByName('default_value_input][default_end_date', $this->t('The relative end date value entered is invalid.'));
79 public function defaultValuesFormSubmit(array $element, array &$form, FormStateInterface $form_state) {
80 if ($form_state->getValue(['default_value_input', 'default_date_type']) || $form_state->getValue(['default_value_input', 'default_end_date_type'])) {
81 if ($form_state->getValue(['default_value_input', 'default_date_type']) == static::DEFAULT_VALUE_NOW) {
82 $form_state->setValueForElement($element['default_date'], static::DEFAULT_VALUE_NOW);
84 if ($form_state->getValue(['default_value_input', 'default_end_date_type']) == static::DEFAULT_VALUE_NOW) {
85 $form_state->setValueForElement($element['default_end_date'], static::DEFAULT_VALUE_NOW);
87 return [$form_state->getValue('default_value_input')];
95 public static function processDefaultValue($default_value, FieldableEntityInterface $entity, FieldDefinitionInterface $definition) {
96 // Explicitly call the base class so that we can get the default value
98 $default_value = FieldItemList::processDefaultValue($default_value, $entity, $definition);
100 // Allow either the start or end date to have a default, but not require
101 // defaults for both.
102 if (!empty($default_value[0]['default_date_type']) || !empty($default_value[0]['default_end_date_type'])) {
103 // A default value should be in the format and timezone used for date
104 // storage. All-day ranges are stored the same as date+time ranges. We
105 // only provide a default value for the first item, as do all fields.
106 // Otherwise, there is no way to clear out unwanted values on multiple
108 $storage_format = $definition->getSetting('datetime_type') == DateRangeItem::DATETIME_TYPE_DATE ? DATETIME_DATE_STORAGE_FORMAT : DATETIME_DATETIME_STORAGE_FORMAT;
109 $default_values = [[]];
111 if (!empty($default_value[0]['default_date_type'])) {
112 $start_date = new DrupalDateTime($default_value[0]['default_date'], DATETIME_STORAGE_TIMEZONE);
113 $start_value = $start_date->format($storage_format);
114 $default_values[0]['value'] = $start_value;
115 $default_values[0]['start_date'] = $start_date;
118 if (!empty($default_value[0]['default_end_date_type'])) {
119 $end_date = new DrupalDateTime($default_value[0]['default_end_date'], DATETIME_STORAGE_TIMEZONE);
120 $end_value = $end_date->format($storage_format);
121 $default_values[0]['end_value'] = $end_value;
122 $default_values[0]['end_date'] = $end_date;
125 $default_value = $default_values;
128 return $default_value;