SandboxForm.php in oEmbed 8

Namespace

Drupal\oembed\Form

File

src/Form/SandboxForm.php

<?php

namespace Drupal\oembed\Form;

use Drupal\Component\Utility\SafeMarkup;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Markup;
class SandboxForm extends FormBase {

  /**
   * Returns a unique string identifying the form.
   *
   * @return string
   *   The unique string identifying the form.
   */
  public function getFormId() {
    return 'oembed_test';
  }

  /**
   * Form constructor.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   *
   * @return array
   *   The form structure.
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['url'] = array(
      '#type' => 'textfield',
      '#title' => $this
        ->t('URL'),
      '#description' => $this
        ->t('URL to request from oEmbed provider'),
      '#required' => TRUE,
    );
    $form['submit'] = array(
      '#type' => 'submit',
      '#value' => $this
        ->t('Submit'),
    );
    if ($form_state
      ->hasValue('embed')) {
      $renderer = \Drupal::service('renderer');
      $form['response'] = array(
        '#type' => 'container',
      );
      $form['response']['display']['oembed'] = array(
        '#type' => 'fieldset',
        '#title' => $this
          ->t('oEmbed'),
      );
      $markup = $renderer
        ->render($form_state
        ->getValue([
        'display',
        'oembed',
      ]));
      $form['response']['display']['oembed'][] = array(
        '#markup' => Markup::create($markup),
      );
      $form['response']['display']['oembed'][] = array(
        '#prefix' => '<pre>',
        '#markup' => SafeMarkup::checkPlain($markup),
        '#suffix' => '</pre>',
      );
      $form['response']['display']['oembed_thumbnail'] = array(
        '#type' => 'fieldset',
        '#title' => $this
          ->t('oEmbed Thumbnail'),
      );
      $markup = $renderer
        ->render($form_state
        ->getValue([
        'display',
        'oembed_thumbnail',
      ]));
      $form['response']['display']['oembed_thumbnail'][] = array(
        '#markup' => $markup,
      );
      $form['response']['display']['oembed_thumbnail'][] = array(
        '#prefix' => '<pre>',
        '#markup' => SafeMarkup::checkPlain($markup),
        '#suffix' => '</pre>',
      );
      $form['response']['details'] = array(
        '#type' => 'fieldset',
        '#title' => $this
          ->t('Details'),
      );
      $form['response']['details']['data'] = array(
        '#prefix' => '<pre>',
        '#markup' => $form_state
          ->getValue('embed'),
        '#suffix' => '</pre>',
      );
    }
    return $form;
  }
  public function validateForm(array &$form, FormStateInterface $form_state) {

    // Normalize input and look up
    $url = $form_state
      ->getValue('url');
    $embed = oembed_get_data($url);
    if (!empty($embed)) {
      $form_state
        ->setValue('embed', SafeMarkup::checkPlain(print_r($embed, TRUE)));
      $form_state
        ->setValue([
        'display',
        'oembed',
      ], oembed_render_element('oembed', $url));
      $form_state
        ->setValue([
        'display',
        'oembed_thumbnail',
      ], oembed_render_element('oembed_thumbnail', $url));
    }
    else {
      $form_state
        ->setError($form['url'], $this
        ->t('%input is not valid oEmbed URL.', array(
        '%input' => $form_state
          ->getValue('url'),
      )));
    }
  }

  /**
   * Form submission handler.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param \Drupal\Core\Form\FormStateInterface $form_state
   *   The current state of the form.
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $form_state
      ->setRebuild();
  }

}

Classes

Name	Description
SandboxForm