Step.php in Clientside Validation 2.0.x

Namespace

Drupal\clientside_validation\Plugin\CvValidator

File

src/Plugin/CvValidator/Step.php

<?php

namespace Drupal\clientside_validation\Plugin\CvValidator;

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

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

  /**
   * {@inheritdoc}
   */
  protected function getRules($element, FormStateInterface $form_state) {
    $step = $this
      ->getAttributeValue($element, 'step');
    if ($step !== 'any') {
      if (isset($element['#step_error'])) {
        $message = $element['#step_error'];
      }
      elseif ($min = $this
        ->getAttributeValue($element, 'min')) {
        $message = $this
          ->t('The value in @title has to be greater than @min by steps of @step.', [
          '@title' => $this
            ->getElementTitle($element),
          '@step' => $step,
          '@min' => $min,
        ]);
      }
      else {
        $message = $this
          ->t('The value in @title has to be divisible by @step.', [
          '@title' => $this
            ->getElementTitle($element),
          '@step' => $step,
        ]);
      }
      return [
        'messages' => [
          'step' => $message,
        ],
      ];
    }
  }

}

Classes

Name	Description
Step	Provides a 'step' validator.