public function SlideGroupEditForm::buildForm in Drupal Slider 8.2

Same name and namespace in other branches

1. 8 src/Form/SlideGroupEditForm.php \Drupal\drupal_slider\Form\SlideGroupEditForm::buildForm()

Function buildForm.

Overrides SlideGroupBaseForm::buildForm

File

src/Form/SlideGroupEditForm.php, line 15

Class

SlideGroupEditForm

Class SlideGroupEditForm.

Namespace

Drupal\drupal_slider\Form

Code

public function buildForm(array $form, FormStateInterface $form_state) {
  $form = parent::buildForm($form, $form_state);
  $slideGroup = $this->entity;
  $entity = \Drupal::entityTypeManager()
    ->getStorage('drupal_slider_slide')
    ->loadMultiple();
  foreach ($entity as $key => $value) {
    $options[$key] = $key;
  }
  $slides = $slideGroup
    ->get('slides');
  $slides_count = count($slides);
  $num_names = $form_state
    ->get('num_names');
  if ($num_names === NULL) {
    $num_names = $slides_count;
    $form_state
      ->set('num_names', $num_names);
  }
  for ($i = 1; $i <= $num_names; $i++) {
    $single_slide = array_slice($slides, $i - 1, 1);
    $form['slides'][$i]['#attributes']['class'][] = 'draggable';
    $form['slides'][$i]['#weight'] = isset($single_slide[0]['weight']) ? $single_slide[0]['weight'] : $i;
    $form['slides'][$i]['name'] = [
      '#markup' => $i,
    ];
    $form['slides'][$i]['slide_list'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Slide'),
      '#options' => $options,
      '#default_value' => isset($single_slide[0]['slide_list']) ? $single_slide[0]['slide_list'] : '',
      '#description' => $this
        ->t('Choose the slide.'),
    ];

    // TableDrag: Weight column element.
    $form['slides'][$i]['weight'] = [
      '#type' => 'weight',
      '#title' => $this
        ->t('Weight'),
      '#title_display' => 'invisible',
      '#default_value' => isset($single_slide[0]['weight']) ? $single_slide[0]['weight'] : $i,
      '#attributes' => [
        'class' => [
          'table-sort-weight',
        ],
      ],
    ];
  }
  $form['actions']['add_name'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Add one more'),
    '#submit' => [
      '::addOne',
    ],
    '#ajax' => [
      'callback' => '::addmoreCallback',
      'wrapper' => 'names-fieldset-wrapper',
    ],
  ];

  // If there is more than one name, add the remove button.
  if ($num_names > 1) {
    $form['actions']['remove_name'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Remove one'),
      '#submit' => [
        '::removeCallback',
      ],
      '#ajax' => [
        'callback' => '::addmoreCallback',
        'wrapper' => 'names-fieldset-wrapper',
      ],
    ];
  }
  return $form;
}