137 lines
3.9 KiB
PHP
137 lines
3.9 KiB
PHP
<?php
|
|
|
|
namespace Drupal\webform\Element;
|
|
|
|
use Drupal\Core\Form\FormStateInterface;
|
|
use Drupal\Core\Render\Element\FormElement;
|
|
|
|
/**
|
|
* Provides a webform element for element multiple property.
|
|
*
|
|
* This element displays the #multiple property so that it looks like
|
|
* the cardinality setting included in the Field API.
|
|
*
|
|
* @FormElement("webform_element_multiple")
|
|
*
|
|
* @see \Drupal\field_ui\Form\FieldStorageConfigEditForm::form
|
|
*/
|
|
class WebformElementMultiple extends FormElement {
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public function getInfo() {
|
|
$class = get_class($this);
|
|
return [
|
|
'#input' => TRUE,
|
|
'#min' => 1,
|
|
'#process' => [
|
|
[$class, 'processWebformElementMultiple'],
|
|
],
|
|
'#theme_wrappers' => ['form_element'],
|
|
];
|
|
}
|
|
|
|
/**
|
|
* {@inheritdoc}
|
|
*/
|
|
public static function valueCallback(&$element, $input, FormStateInterface $form_state) {
|
|
if ($input === FALSE) {
|
|
if (empty($element['#default_value'])) {
|
|
return 1;
|
|
}
|
|
elseif ($element['#default_value'] === TRUE) {
|
|
return WebformMultiple::CARDINALITY_UNLIMITED;
|
|
}
|
|
else {
|
|
return $element['#default_value'];
|
|
}
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/**
|
|
* Processes element multiple.
|
|
*/
|
|
public static function processWebformElementMultiple(&$element, FormStateInterface $form_state, &$complete_form) {
|
|
$cardinality = $element['#value'];
|
|
|
|
$element['#tree'] = TRUE;
|
|
|
|
$element['container'] = [
|
|
'#type' => 'container',
|
|
'#attributes' => ['class' => [
|
|
'container-inline',
|
|
]],
|
|
];
|
|
|
|
$element['container']['cardinality'] = [
|
|
'#type' => 'select',
|
|
'#title' => t('Allowed number of values'),
|
|
'#title_display' => 'invisible',
|
|
'#options' => [
|
|
'number' => t('Limited'),
|
|
WebformMultiple::CARDINALITY_UNLIMITED => t('Unlimited'),
|
|
],
|
|
'#default_value' => ($cardinality == WebformMultiple::CARDINALITY_UNLIMITED) ? WebformMultiple::CARDINALITY_UNLIMITED : 'number',
|
|
];
|
|
$element['container']['cardinality_number'] = [
|
|
'#type' => 'number',
|
|
'#default_value' => $cardinality != WebformMultiple::CARDINALITY_UNLIMITED ? $cardinality : $element['#min'],
|
|
'#min' => $element['#min'],
|
|
'#title' => t('Limit'),
|
|
'#title_display' => 'invisible',
|
|
'#size' => 2,
|
|
'#states' => [
|
|
'visible' => [
|
|
':input[data-drupal-selector="edit-' . implode('-', $element['#parents']) . '-container-cardinality"]' => ['value' => 'number'],
|
|
],
|
|
],
|
|
];
|
|
|
|
// Set disabled
|
|
if (!empty($element['#disabled'])) {
|
|
$element['container']['cardinality']['#disabled'] = TRUE;
|
|
$element['container']['cardinality_number']['#disabled'] = TRUE;
|
|
}
|
|
|
|
// Set validation.
|
|
if (isset($element['#element_validate'])) {
|
|
$element['#element_validate'] = array_merge([[get_called_class(), 'validateWebformElementMultiple']], $element['#element_validate']);
|
|
}
|
|
else {
|
|
$element['#element_validate'] = [[get_called_class(), 'validateWebformElementMultiple']];
|
|
}
|
|
|
|
return $element;
|
|
}
|
|
|
|
/**
|
|
* Validates element multiple.
|
|
*/
|
|
public static function validateWebformElementMultiple(&$element, FormStateInterface $form_state, &$complete_form) {
|
|
if (!empty($element['#disabled'])) {
|
|
$multiple = $element['#default_value'];
|
|
}
|
|
else {
|
|
$cardinality = $element['#value']['container']['cardinality'];
|
|
$cardinality_number = (int) $element['#value']['container']['cardinality_number'];
|
|
|
|
if ($cardinality == WebformMultiple::CARDINALITY_UNLIMITED) {
|
|
$multiple = TRUE;
|
|
}
|
|
elseif ($cardinality_number === 1) {
|
|
$multiple = FALSE;
|
|
}
|
|
else {
|
|
$multiple = $cardinality_number;
|
|
}
|
|
}
|
|
|
|
$form_state->setValueForElement($element['container']['cardinality'], NULL);
|
|
$form_state->setValueForElement($element['container']['cardinality_number'], NULL);
|
|
$form_state->setValueForElement($element, $multiple);
|
|
}
|
|
|
|
}
|