StripTags.php in Tamper 8

Namespace

Drupal\tamper\Plugin\Tamper

File

src/Plugin/Tamper/StripTags.php

<?php

namespace Drupal\tamper\Plugin\Tamper;

use Drupal\Core\Form\FormStateInterface;
use Drupal\tamper\Exception\TamperException;
use Drupal\tamper\TamperableItemInterface;
use Drupal\tamper\TamperBase;

/**
 * Plugin implementation for stripping tags.
 *
 * @Tamper(
 *   id = "strip_tags",
 *   label = @Translation("Strip tags"),
 *   description = @Translation("Strip tags."),
 *   category = "Text"
 * )
 */
class StripTags extends TamperBase {
  const SETTING_ALLOWED_TAGS = 'allowed_tags';

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    $config = parent::defaultConfiguration();
    $config[self::SETTING_ALLOWED_TAGS] = '';
    return $config;
  }

  /**
   * {@inheritdoc}
   */
  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
    $form[self::SETTING_ALLOWED_TAGS] = [
      '#type' => 'textarea',
      '#title' => $this
        ->t('Allowed tags'),
      '#default_value' => $this
        ->getSetting(self::SETTING_ALLOWED_TAGS),
      '#description' => $this
        ->t('A list of allowed tags such as %a%b', [
        '%a' => '<a>',
        '%b' => '<em>',
      ]),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitConfigurationForm(array &$form, FormStateInterface $form_state) {
    parent::submitConfigurationForm($form, $form_state);
    $allowed_tags = trim($form_state
      ->getValue(self::SETTING_ALLOWED_TAGS));
    $this
      ->setConfiguration([
      self::SETTING_ALLOWED_TAGS => $allowed_tags,
    ]);
  }

  /**
   * {@inheritdoc}
   */
  public function tamper($data, TamperableItemInterface $item = NULL) {
    if (!is_string($data)) {
      throw new TamperException('Input should be a string.');
    }
    $allowed_tags = $this
      ->getSetting(self::SETTING_ALLOWED_TAGS);
    return strip_tags($data, $allowed_tags);
  }

}

Classes

Name	Description
StripTags	Plugin implementation for stripping tags.