function BlockForm::themeSwitch

Same name and namespace in other branches
  1. 9 core/modules/block/src/BlockForm.php \Drupal\block\BlockForm::themeSwitch()
  2. 10 core/modules/block/src/BlockForm.php \Drupal\block\BlockForm::themeSwitch()
  3. 11.x core/modules/block/src/BlockForm.php \Drupal\block\BlockForm::themeSwitch()

Handles switching the available regions based on the selected theme.

File

core/modules/block/src/BlockForm.php, line 212

Class

BlockForm
Provides form for block instance forms.

Namespace

Drupal\block

Code

public function themeSwitch($form, FormStateInterface $form_state) {
    $form['region']['#options'] = system_region_list($form_state->getValue('theme'), REGIONS_VISIBLE);
    return $form['region'];
}

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