ColorPickerWidget.php in Examples for Developers 3.x
File
modules/field_example/src/Plugin/Field/FieldWidget/ColorPickerWidget.php
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<?php
namespace Drupal\field_example\Plugin\Field\FieldWidget;
use Drupal\Core\Field\FieldItemListInterface;
use Drupal\Core\Form\FormStateInterface;
class ColorPickerWidget extends TextWidget {
public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
$element = parent::formElement($items, $delta, $element, $form, $form_state);
$element['value'] += [
'#suffix' => '<div class="field-example-colorpicker"></div>',
'#attributes' => [
'class' => [
'edit-field-example-colorpicker',
],
],
'#attached' => [
'library' => [
'core/jquery.farbtastic',
'field_example/colorpicker',
],
],
];
return $element;
}
}