www.aleph1.co.uk Git - yaffs-website/blob - web/core/modules/system/src/Form/ThemeAdminForm.php

   1 <?php
   2
   3 namespace Drupal\system\Form;
   4
   5 use Drupal\Core\Form\ConfigFormBase;
   6 use Drupal\Core\Form\FormStateInterface;
   7
   8 /**
   9  * Form to select the administration theme.
  10  */
  11 class ThemeAdminForm extends ConfigFormBase {
  12
  13   /**
  14    * {@inheritdoc}
  15    */
  16   public function getFormId() {
  17     return 'system_themes_admin_form';
  18   }
  19
  20   /**
  21    * {@inheritdoc}
  22    */
  23   protected function getEditableConfigNames() {
  24     return ['system.theme'];
  25   }
  26
  27   /**
  28    * {@inheritdoc}
  29    */
  30   public function buildForm(array $form, FormStateInterface $form_state, array $theme_options = NULL) {
  31     // Administration theme settings.
  32     $form['admin_theme'] = [
  33       '#type' => 'details',
  34       '#title' => $this->t('Administration theme'),
  35       '#open' => TRUE,
  36     ];
  37     $form['admin_theme']['admin_theme'] = [
  38       '#type' => 'select',
  39       '#options' => [0 => $this->t('Default theme')] + $theme_options,
  40       '#title' => $this->t('Administration theme'),
  41       '#description' => $this->t('Choose "Default theme" to always use the same theme as the rest of the site.'),
  42       '#default_value' => $this->config('system.theme')->get('admin'),
  43     ];
  44     $form['admin_theme']['actions'] = ['#type' => 'actions'];
  45     $form['admin_theme']['actions']['submit'] = [
  46       '#type' => 'submit',
  47       '#value' => $this->t('Save configuration'),
  48       '#button_type' => 'primary',
  49     ];
  50     return $form;
  51   }
  52
  53   /**
  54    * {@inheritdoc}
  55    */
  56   public function submitForm(array &$form, FormStateInterface $form_state) {
  57     parent::submitForm($form, $form_state);
  58     $this->config('system.theme')->set('admin', $form_state->getValue('admin_theme'))->save();
  59   }
  60
  61 }