public function AjaxLoaderSettingsForm::buildForm in Ajax loader 8

Form constructor.

Parameters

array $form: An associative array containing the structure of the form.

\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.

Return value

array The form structure.

Overrides ConfigFormBase::buildForm

File

src/Form/AjaxLoaderSettingsForm.php, line 61

Class

AjaxLoaderSettingsForm

Class AjaxLoaderSettingsForm.

Namespace

Drupal\ajax_loader\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $settings = $this
    ->config('ajax_loader.settings');
  $form['wrapper'] = [
    '#prefix' => '<div id="throbber-wrapper">',
    '#suffix' => '</div>',
  ];
  $form['wrapper']['throbber'] = [
    '#type' => 'select',
    '#title' => t('Throbber'),
    '#description' => t('Choose your throbber'),
    '#required' => TRUE,
    '#options' => $this->throbberManager
      ->getThrobberOptionList(),
    '#default_value' => $settings
      ->get('throbber'),
    '#ajax' => [
      'wrapper' => 'throbber-wrapper',
      'callback' => [
        $this,
        'ajaxThrobberChange',
      ],
    ],
  ];
  if (!empty($form_state
    ->getValue('throbber')) || !empty($settings
    ->get('throbber'))) {
    $plugin_id = !empty($form_state
      ->getValue('throbber')) ? $form_state
      ->getValue('throbber') : $settings
      ->get('throbber');
    if ($this->throbberManager
      ->getDefinition($plugin_id, FALSE)) {

      // Show preview of throbber.
      if (!empty($form_state
        ->getValue('throbber'))) {
        $throbber = $this->throbberManager
          ->loadThrobberInstance($form_state
          ->getValue('throbber'));
      }
      else {
        $throbber = $this->throbberManager
          ->loadThrobberInstance($settings
          ->get('throbber'));
      }
      $form['wrapper']['throbber']['#attached']['library'] = [
        'ajax_loader/ajax_loader.admin',
      ];
      $form['wrapper']['throbber']['#suffix'] = '<span class="throbber-example">' . $throbber
        ->getMarkup() . '</span>';
    }
  }
  $form['hide_ajax_message'] = [
    '#type' => 'checkbox',
    '#title' => t('Never show ajax loading message'),
    '#description' => t('Choose whether you want to hide the loading ajax message even when it is set.'),
    '#default_value' => $settings
      ->get('hide_ajax_message') ?: 0,
  ];
  $form['always_fullscreen'] = [
    '#type' => 'checkbox',
    '#title' => t('Always show loader as overlay (fullscreen)'),
    '#description' => t('Choose whether you want to show the loader as an overlay, no matter what the settings of the loader are.'),
    '#default_value' => $settings
      ->get('always_fullscreen') ?: 0,
  ];
  $form['show_admin_paths'] = [
    '#type' => 'checkbox',
    '#title' => t('Use ajax loader on admin pages'),
    '#description' => t('Choose whether you also want to show the loader on admin pages or still like to use the default core loader.'),
    '#default_value' => $settings
      ->get('show_admin_paths') ?: 0,
  ];
  $form['throbber_position'] = [
    '#type' => 'textfield',
    '#title' => t('Throbber position'),
    '#required' => TRUE,
    '#description' => t('Allows you to change the position where the throbber is inserted. A valid css selector must be used here. The default value is: body'),
    '#default_value' => $settings
      ->get('throbber_position') ?: 'body',
  ];
  return parent::buildForm($form, $form_state);
}