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;
11 use Drupal\datetime\Plugin\Field\FieldType\DateTimeItemInterface;
14 * Represents a configurable entity daterange field.
16 class DateRangeFieldItemList extends DateTimeFieldItemList {
21 public function defaultValuesForm(array &$form, FormStateInterface $form_state) {
22 if (empty($this->getFieldDefinition()->getDefaultValueCallback())) {
23 $default_value = $this->getFieldDefinition()->getDefaultValueLiteral();
25 $element = parent::defaultValuesForm($form, $form_state);
27 $element['default_date_type']['#title'] = $this->t('Default start date');
28 $element['default_date_type']['#description'] = $this->t('Set a default value for the start date.');
30 $element['default_end_date_type'] = [
32 '#title' => $this->t('Default end date'),
33 '#description' => $this->t('Set a default value for the end date.'),
34 '#default_value' => isset($default_value[0]['default_end_date_type']) ? $default_value[0]['default_end_date_type'] : '',
36 static::DEFAULT_VALUE_NOW => $this->t('Current date'),
37 static::DEFAULT_VALUE_CUSTOM => $this->t('Relative date'),
42 $element['default_end_date'] = [
43 '#type' => 'textfield',
44 '#title' => $this->t('Relative default value'),
45 '#description' => $this->t("Describe a time by reference to the current day, like '+90 days' (90 days from the day the field is created) or '+1 Saturday' (the next Saturday). See <a href=\"http://php.net/manual/function.strtotime.php\">strtotime</a> for more details."),
46 '#default_value' => (isset($default_value[0]['default_end_date_type']) && $default_value[0]['default_end_date_type'] == static::DEFAULT_VALUE_CUSTOM) ? $default_value[0]['default_end_date'] : '',
49 ':input[id="edit-default-value-input-default-end-date-type"]' => ['value' => static::DEFAULT_VALUE_CUSTOM],
61 public function defaultValuesFormValidate(array $element, array &$form, FormStateInterface $form_state) {
62 if ($form_state->getValue(['default_value_input', 'default_date_type']) == static::DEFAULT_VALUE_CUSTOM) {
63 $is_strtotime = @strtotime($form_state->getValue(['default_value_input', 'default_date']));
65 $form_state->setErrorByName('default_value_input][default_date', $this->t('The relative start date value entered is invalid.'));
69 if ($form_state->getValue(['default_value_input', 'default_end_date_type']) == static::DEFAULT_VALUE_CUSTOM) {
70 $is_strtotime = @strtotime($form_state->getValue(['default_value_input', 'default_end_date']));
72 $form_state->setErrorByName('default_value_input][default_end_date', $this->t('The relative end date value entered is invalid.'));
80 public function defaultValuesFormSubmit(array $element, array &$form, FormStateInterface $form_state) {
81 if ($form_state->getValue(['default_value_input', 'default_date_type']) || $form_state->getValue(['default_value_input', 'default_end_date_type'])) {
82 if ($form_state->getValue(['default_value_input', 'default_date_type']) == static::DEFAULT_VALUE_NOW) {
83 $form_state->setValueForElement($element['default_date'], static::DEFAULT_VALUE_NOW);
85 if ($form_state->getValue(['default_value_input', 'default_end_date_type']) == static::DEFAULT_VALUE_NOW) {
86 $form_state->setValueForElement($element['default_end_date'], static::DEFAULT_VALUE_NOW);
88 return [$form_state->getValue('default_value_input')];
96 public static function processDefaultValue($default_value, FieldableEntityInterface $entity, FieldDefinitionInterface $definition) {
97 // Explicitly call the base class so that we can get the default value
99 $default_value = FieldItemList::processDefaultValue($default_value, $entity, $definition);
101 // Allow either the start or end date to have a default, but not require
102 // defaults for both.
103 if (!empty($default_value[0]['default_date_type']) || !empty($default_value[0]['default_end_date_type'])) {
104 // A default value should be in the format and timezone used for date
105 // storage. All-day ranges are stored the same as date+time ranges. We
106 // only provide a default value for the first item, as do all fields.
107 // Otherwise, there is no way to clear out unwanted values on multiple
109 $storage_format = $definition->getSetting('datetime_type') == DateRangeItem::DATETIME_TYPE_DATE ? DateTimeItemInterface::DATE_STORAGE_FORMAT : DateTimeItemInterface::DATETIME_STORAGE_FORMAT;
110 $default_values = [[]];
112 if (!empty($default_value[0]['default_date_type'])) {
113 $start_date = new DrupalDateTime($default_value[0]['default_date'], DateTimeItemInterface::STORAGE_TIMEZONE);
114 $start_value = $start_date->format($storage_format);
115 $default_values[0]['value'] = $start_value;
116 $default_values[0]['start_date'] = $start_date;
119 if (!empty($default_value[0]['default_end_date_type'])) {
120 $end_date = new DrupalDateTime($default_value[0]['default_end_date'], DateTimeItemInterface::STORAGE_TIMEZONE);
121 $end_value = $end_date->format($storage_format);
122 $default_values[0]['end_value'] = $end_value;
123 $default_values[0]['end_date'] = $end_date;
126 $default_value = $default_values;
129 return $default_value;