public function VideoFilterDialog::buildForm in Video Filter 8

Parameters

\Drupal\filter\Entity\FilterFormat $filter_format: The filter format for which this dialog corresponds.

Overrides FormInterface::buildForm

File

src/Form/VideoFilterDialog.php, line 42

Class

VideoFilterDialog

Provides Video Filter dialog for text editors.

Namespace

Drupal\video_filter\Form

Code

public function buildForm(array $form, FormStateInterface $form_state, FilterFormat $filter_format = NULL) {
  $form['#tree'] = TRUE;
  $form['#attached']['library'][] = 'editor/drupal.editor.dialog';
  $form['#prefix'] = '<div id="video-filter-dialog-form">';
  $form['#suffix'] = '</div>';
  $form['url'] = [
    '#title' => $this
      ->t('Video URL'),
    '#type' => 'textfield',
    '#maxlength' => 2048,
    '#ajax' => [
      'callback' => '::getPluginOptions',
      'event' => 'change',
    ],
  ];
  $form['options'] = [];
  $vf = new VideoFilterCore();
  $plugins = $vf
    ->loadPlugins();
  foreach ($plugins['plugins'] as $id => $plugin_info) {
    if (!empty($plugin_info['options'])) {
      $form['options'][$id] = [
        '#type' => 'details',
        '#title' => $this
          ->t('Options'),
        '#open' => TRUE,
        '#prefix' => '<div class="visually-hidden">',
        '#suffix' => '</div>',
      ];
      $form['options'][$id]['options'] = $plugin_info['options'];
    }
  }
  $form['info']['empty'] = [
    '#markup' => $this
      ->t('Please copy URL from browser and paste it into Video URL field. Available embedding options will be displayed under this field.'),
    '#prefix' => '<div class="info-empty">',
    '#suffix' => '</div>',
  ];
  $form['info']['not-supported'] = [
    '#markup' => $this
      ->t('The URL you provided is not supported. Please contact your developer to extend this module.'),
    '#prefix' => '<div class="visually-hidden">',
    '#suffix' => '</div>',
  ];
  $form['align'] = [
    '#title' => $this
      ->t('Align (optional)'),
    '#type' => 'select',
    '#default_value' => 'none',
    '#options' => [
      'none' => $this
        ->t('None'),
      'left' => $this
        ->t('Left'),
      'right' => $this
        ->t('Right'),
      'center' => $this
        ->t('Center'),
    ],
    '#prefix' => '<div class="visually-hidden">',
    '#suffix' => '</div>',
  ];
  $form['actions'] = [
    '#type' => 'actions',
  ];
  $form['actions']['save_modal'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Insert'),
    // No regular submit-handler. This form only works via JavaScript.
    '#submit' => [],
    '#ajax' => [
      'callback' => '::submitForm',
      'event' => 'click',
    ],
    '#attributes' => [
      'disabled' => 'true',
    ],
  ];

  // This is the element where we put generated code
  // By doing this we can generate [video:url]
  // in PHP instead of generating it in CKEditor JS plugin.
  $form['attributes']['code'] = [
    '#title' => $this
      ->t('Video Filter'),
    '#type' => 'textfield',
    '#prefix' => '<div class="visually-hidden">',
    '#suffix' => '</div>',
  ];
  return $form;
}