45 lines
1.4 KiB
PHP
45 lines
1.4 KiB
PHP
<?php
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namespace Drupal\farm_field\Plugin\Field\FieldWidget;
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use Drupal\Core\Datetime\DrupalDateTime;
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use Drupal\Core\Datetime\Plugin\Field\FieldWidget\TimestampDatetimeWidget;
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use Drupal\Core\Form\FormStateInterface;
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/**
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* Plugin implementation of the 'datetime timestamp optional' widget.
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*
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* Extends the core datetime_timestamp widget to not default to current time.
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* This is useful when a timestamp field is optional and should not default
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* to the current time, such as the animal birthdate.
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*
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* @FieldWidget(
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* id = "datetime_timestamp_optional",
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* label = @Translation("Datetime Timestamp Optional"),
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* field_types = {
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* "timestamp",
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* }
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* )
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*/
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class TimestampDatetimeOptionalWidget extends TimestampDatetimeWidget {
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/**
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* {@inheritdoc}
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*/
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public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
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foreach ($values as &$item) {
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// @todo The structure is different whether access is denied or not, to
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// be fixed in https://www.drupal.org/node/2326533.
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if (isset($item['value']) && $item['value'] instanceof DrupalDateTime) {
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$date = $item['value'];
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}
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elseif (isset($item['value']['object']) && $item['value']['object'] instanceof DrupalDateTime) {
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$date = $item['value']['object'];
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}
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$item['value'] = !empty($date) ? $date->getTimestamp() : NULL;
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}
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return $values;
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}
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}
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