DateTimeFieldItemList.php
Same filename in other branches
Namespace
Drupal\datetime\Plugin\Field\FieldTypeFile
-
core/
modules/ datetime/ src/ Plugin/ Field/ FieldType/ DateTimeFieldItemList.php
View source
<?php
namespace Drupal\datetime\Plugin\Field\FieldType;
use Drupal\Core\Datetime\DrupalDateTime;
use Drupal\Core\Entity\FieldableEntityInterface;
use Drupal\Core\Field\FieldDefinitionInterface;
use Drupal\Core\Field\FieldItemList;
use Drupal\Core\Form\FormStateInterface;
/**
* Represents a configurable entity datetime field.
*/
class DateTimeFieldItemList extends FieldItemList {
/**
* Defines the default value as now.
*/
const DEFAULT_VALUE_NOW = 'now';
/**
* Defines the default value as relative.
*/
const DEFAULT_VALUE_CUSTOM = 'relative';
/**
* {@inheritdoc}
*/
public function defaultValuesForm(array &$form, FormStateInterface $form_state) {
if (empty($this->getFieldDefinition()
->getDefaultValueCallback())) {
$default_value = $this->getFieldDefinition()
->getDefaultValueLiteral();
$element = [
'#parents' => [
'default_value_input',
],
'default_date_type' => [
'#type' => 'select',
'#title' => t('Default date'),
'#description' => t('Set a default value for this date.'),
'#default_value' => isset($default_value[0]['default_date_type']) ? $default_value[0]['default_date_type'] : '',
'#options' => [
static::DEFAULT_VALUE_NOW => t('Current date'),
static::DEFAULT_VALUE_CUSTOM => t('Relative date'),
],
'#empty_value' => '',
],
'default_date' => [
'#type' => 'textfield',
'#title' => t('Relative default value'),
'#description' => t("Describe a time by reference to the current day, like '+90 days' (90 days from the day the field is created) or '+1 Saturday' (the next Saturday). See <a href=\"http://php.net/manual/function.strtotime.php\">strtotime</a> for more details."),
'#default_value' => isset($default_value[0]['default_date_type']) && $default_value[0]['default_date_type'] == static::DEFAULT_VALUE_CUSTOM ? $default_value[0]['default_date'] : '',
'#states' => [
'visible' => [
':input[id="edit-default-value-input-default-date-type"]' => [
'value' => static::DEFAULT_VALUE_CUSTOM,
],
],
],
],
];
return $element;
}
}
/**
* {@inheritdoc}
*/
public function defaultValuesFormValidate(array $element, array &$form, FormStateInterface $form_state) {
if ($form_state->getValue([
'default_value_input',
'default_date_type',
]) == static::DEFAULT_VALUE_CUSTOM) {
$is_strtotime = @strtotime($form_state->getValue([
'default_value_input',
'default_date',
]));
if (!$is_strtotime) {
$form_state->setErrorByName('default_value_input][default_date', t('The relative date value entered is invalid.'));
}
}
}
/**
* {@inheritdoc}
*/
public function defaultValuesFormSubmit(array $element, array &$form, FormStateInterface $form_state) {
if ($form_state->getValue([
'default_value_input',
'default_date_type',
])) {
if ($form_state->getValue([
'default_value_input',
'default_date_type',
]) == static::DEFAULT_VALUE_NOW) {
$form_state->setValueForElement($element['default_date'], static::DEFAULT_VALUE_NOW);
}
return [
$form_state->getValue('default_value_input'),
];
}
return [];
}
/**
* {@inheritdoc}
*/
public static function processDefaultValue($default_value, FieldableEntityInterface $entity, FieldDefinitionInterface $definition) {
$default_value = parent::processDefaultValue($default_value, $entity, $definition);
if (isset($default_value[0]['default_date_type'])) {
if ($definition->getSetting('datetime_type') === DateTimeItem::DATETIME_TYPE_DATE) {
// A default date only value should be in the format used for date
// storage but in the user's local timezone.
$date = new DrupalDateTime($default_value[0]['default_date'], date_default_timezone_get());
$format = DateTimeItemInterface::DATE_STORAGE_FORMAT;
}
else {
// A default date+time value should be in the format and timezone used
// for date storage.
$date = new DrupalDateTime($default_value[0]['default_date'], DateTimeItemInterface::STORAGE_TIMEZONE);
$format = DateTimeItemInterface::DATETIME_STORAGE_FORMAT;
}
$value = $date->format($format);
// We only provide a default value for the first item, as do all fields.
// Otherwise, there is no way to clear out unwanted values on multiple value
// fields.
$default_value = [
[
'value' => $value,
'date' => $date,
],
];
}
return $default_value;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
DateTimeFieldItemList | Represents a configurable entity datetime field. |
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