MaxLength.php in Clientside Validation 8

Namespace

Drupal\clientside_validation\Plugin\CvValidator

File

src/Plugin/CvValidator/MaxLength.php

<?php

namespace Drupal\clientside_validation\Plugin\CvValidator;

use Drupal\clientside_validation\CvValidatorBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Provides a 'maxlength' validator.
 *
 * @CvValidator(
 *   id = "maxlength",
 *   name = @Translation("Maximum length"),
 *   supports = {
 *     "attributes" = {"maxlength"}
 *   }
 * )
 */
class MaxLength extends CvValidatorBase {

  /**
   * {@inheritdoc}
   */
  protected function getRules($element, FormStateInterface $form_state) {

    // Drupal already adds the maxlength attribute, so we don't need to set the
    // maxlength rule.
    if (isset($element['#maxlength_error'])) {
      $message = $element['#maxlength_error'];
    }
    elseif (isset($element['#type']) && $element['#type'] == 'select') {
      $message = $this
        ->t('@title field can only have a maximum of @max values.', [
        '@title' => $this
          ->getElementTitle($element),
        '@max' => $this
          ->getAttributeValue($element, 'maxlength'),
      ]);
    }
    else {
      $message = $this
        ->t('@title field has a maximum length of @max.', [
        '@title' => $this
          ->getElementTitle($element),
        '@max' => $this
          ->getAttributeValue($element, 'maxlength'),
      ]);
    }
    return [
      'messages' => [
        'maxlength' => $message,
      ],
    ];
  }

}

Classes

Name	Description
MaxLength	Provides a 'maxlength' validator.