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<?php
namespace Drupal\unlimited_number\Plugin\Field\FieldWidget;
use Drupal\Core\Field\Plugin\Field\FieldWidget\NumberWidget;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\unlimited_number\Element\UnlimitedNumber;
class UnlimitedNumberWidget extends NumberWidget {
public static function defaultSettings() {
return [
'value_unlimited' => 0,
'label_unlimited' => t('Unlimited'),
'label_number' => t('Limited'),
] + parent::defaultSettings();
}
public function settingsForm(array $form, FormStateInterface $form_state) {
$element = parent::settingsForm($form, $form_state);
$element['value_unlimited'] = [
'#type' => 'number',
'#title' => $this
->t('Unlimited value'),
'#default_value' => $this
->getSetting('value_unlimited'),
'#description' => $this
->t('Internal number to use for unlimited.'),
];
$element['label_unlimited'] = [
'#type' => 'textfield',
'#title' => $this
->t('Unlimited Label'),
'#default_value' => $this
->getSetting('label_unlimited'),
'#description' => $this
->t('Text that will be used for the unlimited radio.'),
];
$element['label_number'] = [
'#type' => 'textfield',
'#title' => $this
->t('Number Label'),
'#default_value' => $this
->getSetting('label_number'),
'#description' => $this
->t('Text that will be used for the number radio.'),
];
return $element;
}
public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
$field_settings = $this
->getFieldSettings();
$value_unlimited = $this
->getUnlimitedValue();
$value = isset($items[$delta]->value) ? $items[$delta]->value : NULL;
if (isset($value)) {
$default_value = $value == $value_unlimited ? UnlimitedNumber::UNLIMITED : $value;
}
else {
$default_value = NULL;
}
$form_element['unlimited_number'] = $element + [
'#type' => 'unlimited_number',
'#default_value' => $default_value,
'#min' => is_numeric($field_settings['min']) ? $field_settings['min'] : 1,
'#max' => is_numeric($field_settings['max']) ? $field_settings['max'] : NULL,
'#options' => [
'unlimited' => $this
->getSetting('label_unlimited'),
'limited' => $this
->getSetting('label_number'),
],
'#parents' => [
$items
->getName(),
$delta,
'unlimited_number',
],
];
return $form_element;
}
public function massageFormValues(array $values, array $form, FormStateInterface $form_state) {
$new_values = [];
foreach ($values as $value) {
$number = $value['unlimited_number'];
if ($value['unlimited_number'] == UnlimitedNumber::UNLIMITED) {
$number = $this
->getUnlimitedValue();
}
$new_values[]['value'] = $number;
}
return $new_values;
}
public function getUnlimitedValue() {
$value_unlimited_raw = $this
->getSetting('value_unlimited');
return empty($value_unlimited_raw) ? 0 : $value_unlimited_raw;
}
}