ExternalLinkPopupForm.php in External Link Pop-up 8

Namespace

Drupal\external_link_popup\Form

File

src/Form/ExternalLinkPopupForm.php

<?php

namespace Drupal\external_link_popup\Form;

use Drupal\Core\Entity\EntityForm;
use Drupal\Core\Entity\EntityTypeManagerInterface;
use Drupal\Core\Form\FormStateInterface;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Form handler for the External Link Pop-up add and edit forms.
 */
class ExternalLinkPopupForm extends EntityForm {

  /**
   * Constructs an ExampleForm object.
   *
   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entityTypeManager
   *   The entityTypeManager.
   */
  public function __construct(EntityTypeManagerInterface $entityTypeManager) {
    $this->entityTypeManager = $entityTypeManager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('entity_type.manager'));
  }

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $form = parent::form($form, $form_state);
    $form['name'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Label'),
      '#maxlength' => 255,
      '#default_value' => $this->entity
        ->label(),
      '#description' => $this
        ->t("Label for the External Link Pop-up."),
      '#required' => TRUE,
    ];
    $form['id'] = [
      '#type' => 'machine_name',
      '#default_value' => $this->entity
        ->id(),
      '#machine_name' => [
        'exists' => [
          $this,
          'exist',
        ],
        'source' => [
          'name',
        ],
      ],
      '#disabled' => !$this->entity
        ->isNew(),
    ];
    $form['domains'] = [
      '#type' => 'textarea',
      '#title' => $this
        ->t('Domains'),
      '#default_value' => $this->entity
        ->getDomains(),
      '#description' => $this
        ->t('Use base domain name without protocol or "www" prefix. Enter one domain per line.') . ' ' . $this
        ->t('"domain.com" matches all subdomains *.domain.com. Use "*" to show for all domains.'),
      '#required' => TRUE,
    ];
    $form['close'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Show close icon'),
      '#default_value' => $this->entity
        ->getClose(),
    ];
    $form['title'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Title'),
      '#default_value' => $this->entity
        ->getTitle(),
    ];
    $body = $this->entity
      ->getBody();
    $form['body'] = [
      '#type' => 'text_format',
      '#title' => $this
        ->t('Body text'),
      '#default_value' => $body && isset($body['value']) ? $body['value'] : '',
      '#format' => $body && isset($body['format']) ? $body['format'] : NULL,
      '#description' => $this
        ->t('You can use <em>[link:url]</em> and <em>[link:text]</em> tokens in body content.'),
      '#required' => TRUE,
    ];
    $form['labelyes'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Yes button'),
      '#default_value' => $this->entity
        ->getLabelyes(),
      '#required' => TRUE,
    ];
    $form['new_tab'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Open in new tab by default'),
      '#default_value' => $this->entity
        ->getNewTab(),
      '#description' => $this
        ->t('If a link has no target attribute it would be opened in new tab.'),
    ];
    $form['labelno'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('No button'),
      '#default_value' => $this->entity
        ->getLabelno(),
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    parent::validateForm($form, $form_state);
    $domains = trim($form_state
      ->getValue('domains'));
    if ($domains != '*' && !preg_match('/^([^\\s\\/\\,+]+[^\\S\\n]*\\n)*([^\\s\\/\\,+]+)$/', $domains)) {
      $form_state
        ->setErrorByName('domains', $this
        ->t('Please match the requested format.'));
    }
    else {
      $form_state
        ->setValue('domains', $domains);
    }
  }

  /**
   * {@inheritdoc}
   */
  public function save(array $form, FormStateInterface $form_state) {
    $status = parent::save($form, $form_state);
    if ($status) {
      $this
        ->messenger()
        ->addStatus($this
        ->t('Saved the %label External Link Pop-up.', [
        '%label' => $this->entity
          ->label(),
      ]));
    }
    else {
      $this
        ->messenger()
        ->addError($this
        ->t('The %label External Link Pop-up was not saved.', [
        '%label' => $this->entity
          ->label(),
      ]));
    }
    $form_state
      ->setRedirect('entity.external_link_popup.collection');
  }

  /**
   * Helper function to check whether an Example configuration entity exists.
   */
  public function exist($id) {
    $entity = $this->entityTypeManager
      ->getStorage('external_link_popup')
      ->getQuery()
      ->condition('id', $id)
      ->execute();
    return (bool) $entity;
  }

}

Classes

Name	Description
ExternalLinkPopupForm	Form handler for the External Link Pop-up add and edit forms.