public function ColorizedGmapBlock::removeCallback in Colorized google maps block 8

Submit handler for the "remove one" button.

Decrements the max counter and causes a form rebuild.

Parameters

array $form: Form array.

\Drupal\Core\Form\FormStateInterface $form_state: Form state.

File

src/Plugin/Block/ColorizedGmapBlock.php, line 589

Class

ColorizedGmapBlock

Provides a 'Example: configurable text string' block.

Namespace

Drupal\colorized_gmap\Plugin\Block

Code

public function removeCallback(array &$form, FormStateInterface $form_state) {
  $name_field = $form_state
    ->get('num_names');
  if ($name_field > 1) {
    $remove_button = $name_field - 1;
    $form_state
      ->set('num_names', $remove_button);
  }
  $form_state
    ->setRebuild();
}