BooleanCheckboxWidget.php
Same filename in other branches
Namespace
Drupal\Core\Field\Plugin\Field\FieldWidgetFile
-
core/
lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldWidget/ BooleanCheckboxWidget.php
View source
<?php
namespace Drupal\Core\Field\Plugin\Field\FieldWidget;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Field\WidgetBase;
use Drupal\Core\Form\FormStateInterface;
/**
* Plugin implementation of the 'boolean_checkbox' widget.
*
* @FieldWidget(
* id = "boolean_checkbox",
* label = @Translation("Single on/off checkbox"),
* field_types = {
* "boolean"
* },
* multiple_values = TRUE
* )
*/
class BooleanCheckboxWidget extends WidgetBase {
/**
* {@inheritdoc}
*/
public static function defaultSettings() {
return [
'display_label' => TRUE,
] + parent::defaultSettings();
}
/**
* {@inheritdoc}
*/
public function settingsForm(array $form, FormStateInterface $form_state) {
$element['display_label'] = [
'#type' => 'checkbox',
'#title' => $this->t('Use field label instead of the "On" label as the label.'),
'#default_value' => $this->getSetting('display_label'),
'#weight' => -1,
];
return $element;
}
/**
* {@inheritdoc}
*/
public function settingsSummary() {
$summary = [];
$display_label = $this->getSetting('display_label');
$summary[] = $this->t('Use field label: @display_label', [
'@display_label' => $display_label ? $this->t('Yes') : $this->t('No'),
]);
return $summary;
}
/**
* {@inheritdoc}
*/
public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
$element['value'] = $element + [
'#type' => 'checkbox',
'#default_value' => !empty($items[0]->value),
];
// Override the title from the incoming $element.
if ($this->getSetting('display_label')) {
$element['value']['#title'] = $this->fieldDefinition
->getLabel();
}
else {
$element['value']['#title'] = $this->fieldDefinition
->getSetting('on_label');
}
return $element;
}
}
Classes
Title | Deprecated | Summary |
---|---|---|
BooleanCheckboxWidget | Plugin implementation of the 'boolean_checkbox' widget. |
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