class PerformanceForm in Drupal 9
Same name and namespace in other branches
- 8 core/modules/system/src/Form/PerformanceForm.php \Drupal\system\Form\PerformanceForm
 
Configure performance settings for this site.
@internal
Hierarchy
- class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\Core\Form\ConfigFormBase uses ConfigFormBaseTrait
- class \Drupal\system\Form\PerformanceForm
 
 
 - class \Drupal\Core\Form\ConfigFormBase uses ConfigFormBaseTrait
 
Expanded class hierarchy of PerformanceForm
1 string reference to 'PerformanceForm'
- system.routing.yml in core/
modules/ system/ system.routing.yml  - core/modules/system/system.routing.yml
 
File
- core/
modules/ system/ src/ Form/ PerformanceForm.php, line 19  
Namespace
Drupal\system\FormView source
class PerformanceForm extends ConfigFormBase {
  /**
   * The date formatter service.
   *
   * @var \Drupal\Core\Datetime\DateFormatterInterface
   */
  protected $dateFormatter;
  /**
   * The CSS asset collection optimizer service.
   *
   * @var \Drupal\Core\Asset\AssetCollectionOptimizerInterface
   */
  protected $cssCollectionOptimizer;
  /**
   * The JavaScript asset collection optimizer service.
   *
   * @var \Drupal\Core\Asset\AssetCollectionOptimizerInterface
   */
  protected $jsCollectionOptimizer;
  /**
   * The module handler.
   *
   * @var \Drupal\Core\Extension\ModuleHandlerInterface
   */
  protected $moduleHandler;
  /**
   * Constructs a PerformanceForm object.
   *
   * @param \Drupal\Core\Config\ConfigFactoryInterface $config_factory
   *   The factory for configuration objects.
   * @param \Drupal\Core\Datetime\DateFormatterInterface $date_formatter
   *   The date formatter service.
   * @param \Drupal\Core\Asset\AssetCollectionOptimizerInterface $css_collection_optimizer
   *   The CSS asset collection optimizer service.
   * @param \Drupal\Core\Asset\AssetCollectionOptimizerInterface $js_collection_optimizer
   *   The JavaScript asset collection optimizer service.
   * @param \Drupal\Core\Extension\ModuleHandlerInterface $module_handler
   *   The module handler.
   */
  public function __construct(ConfigFactoryInterface $config_factory, DateFormatterInterface $date_formatter, AssetCollectionOptimizerInterface $css_collection_optimizer, AssetCollectionOptimizerInterface $js_collection_optimizer, ModuleHandlerInterface $module_handler) {
    parent::__construct($config_factory);
    $this->dateFormatter = $date_formatter;
    $this->cssCollectionOptimizer = $css_collection_optimizer;
    $this->jsCollectionOptimizer = $js_collection_optimizer;
    $this->moduleHandler = $module_handler;
  }
  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('config.factory'), $container
      ->get('date.formatter'), $container
      ->get('asset.css.collection_optimizer'), $container
      ->get('asset.js.collection_optimizer'), $container
      ->get('module_handler'));
  }
  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'system_performance_settings';
  }
  /**
   * {@inheritdoc}
   */
  protected function getEditableConfigNames() {
    return [
      'system.performance',
    ];
  }
  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $form['#attached']['library'][] = 'system/drupal.system';
    $config = $this
      ->config('system.performance');
    $form['clear_cache'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Clear cache'),
      '#open' => TRUE,
    ];
    $form['clear_cache']['clear'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Clear all caches'),
      '#submit' => [
        '::submitCacheClear',
      ],
    ];
    $form['caching'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Caching'),
      '#open' => TRUE,
    ];
    // Identical options to the ones for block caching.
    // @see \Drupal\Core\Block\BlockBase::buildConfigurationForm()
    $period = [
      0,
      60,
      180,
      300,
      600,
      900,
      1800,
      2700,
      3600,
      10800,
      21600,
      32400,
      43200,
      86400,
    ];
    $period = array_map([
      $this->dateFormatter,
      'formatInterval',
    ], array_combine($period, $period));
    $period[0] = '<' . $this
      ->t('no caching') . '>';
    $form['caching']['page_cache_maximum_age'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('Browser and proxy cache maximum age'),
      '#default_value' => $config
        ->get('cache.page.max_age'),
      '#options' => $period,
      '#description' => $this
        ->t('This is used as the value for max-age in Cache-Control headers.'),
    ];
    $form['caching']['internal_page_cache'] = [
      '#markup' => $this
        ->t('Drupal provides an <a href=":module_enable">Internal Page Cache module</a> that is recommended for small to medium-sized websites.', [
        ':module_enable' => Url::fromRoute('system.modules_list')
          ->toString(),
      ]),
      '#access' => !$this->moduleHandler
        ->moduleExists('page_cache'),
    ];
    $directory = 'public://';
    $is_writable = is_dir($directory) && is_writable($directory);
    $disabled = !$is_writable;
    $disabled_message = '';
    if (!$is_writable) {
      $disabled_message = ' ' . $this
        ->t('<strong class="error">Set up the <a href=":file-system">public files directory</a> to make these optimizations available.</strong>', [
        ':file-system' => Url::fromRoute('system.file_system_settings')
          ->toString(),
      ]);
    }
    $form['bandwidth_optimization'] = [
      '#type' => 'details',
      '#title' => $this
        ->t('Bandwidth optimization'),
      '#open' => TRUE,
      '#description' => $this
        ->t('External resources can be optimized automatically, which can reduce both the size and number of requests made to your website.') . $disabled_message,
    ];
    $form['bandwidth_optimization']['preprocess_css'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Aggregate CSS files'),
      '#default_value' => $config
        ->get('css.preprocess'),
      '#disabled' => $disabled,
    ];
    $form['bandwidth_optimization']['preprocess_js'] = [
      '#type' => 'checkbox',
      '#title' => $this
        ->t('Aggregate JavaScript files'),
      '#default_value' => $config
        ->get('js.preprocess'),
      '#disabled' => $disabled,
    ];
    return parent::buildForm($form, $form_state);
  }
  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $this->cssCollectionOptimizer
      ->deleteAll();
    $this->jsCollectionOptimizer
      ->deleteAll();
    $this
      ->config('system.performance')
      ->set('cache.page.max_age', $form_state
      ->getValue('page_cache_maximum_age'))
      ->set('css.preprocess', $form_state
      ->getValue('preprocess_css'))
      ->set('js.preprocess', $form_state
      ->getValue('preprocess_js'))
      ->save();
    parent::submitForm($form, $form_state);
  }
  /**
   * Clears the caches.
   */
  public function submitCacheClear(array &$form, FormStateInterface $form_state) {
    drupal_flush_all_caches();
    $this
      ->messenger()
      ->addStatus($this
      ->t('Caches cleared.'));
  }
}Members
| 
            Name | 
                  Modifiers | Type | Description | Overrides | 
|---|---|---|---|---|
| 
            ConfigFormBaseTrait:: | 
                  protected | function | Retrieves a configuration object. | |
| 
            DependencySerializationTrait:: | 
                  protected | property | ||
| 
            DependencySerializationTrait:: | 
                  protected | property | ||
| 
            DependencySerializationTrait:: | 
                  public | function | 2 | |
| 
            DependencySerializationTrait:: | 
                  public | function | 2 | |
| 
            FormBase:: | 
                  protected | property | The config factory. | 3 | 
| 
            FormBase:: | 
                  protected | property | The request stack. | 1 | 
| 
            FormBase:: | 
                  protected | property | The route match. | |
| 
            FormBase:: | 
                  protected | function | Gets the config factory for this form. | 3 | 
| 
            FormBase:: | 
                  private | function | Returns the service container. | |
| 
            FormBase:: | 
                  protected | function | Gets the current user. | |
| 
            FormBase:: | 
                  protected | function | Gets the request object. | |
| 
            FormBase:: | 
                  protected | function | Gets the route match. | |
| 
            FormBase:: | 
                  protected | function | Gets the logger for a specific channel. | |
| 
            FormBase:: | 
                  protected | function | Returns a redirect response object for the specified route. | |
| 
            FormBase:: | 
                  public | function | Resets the configuration factory. | |
| 
            FormBase:: | 
                  public | function | Sets the config factory for this form. | |
| 
            FormBase:: | 
                  public | function | Sets the request stack object to use. | |
| 
            FormBase:: | 
                  public | function | 
            Form validation handler. Overrides FormInterface:: | 
                  72 | 
| 
            LoggerChannelTrait:: | 
                  protected | property | The logger channel factory service. | |
| 
            LoggerChannelTrait:: | 
                  protected | function | Gets the logger for a specific channel. | |
| 
            LoggerChannelTrait:: | 
                  public | function | Injects the logger channel factory. | |
| 
            MessengerTrait:: | 
                  protected | property | The messenger. | 27 | 
| 
            MessengerTrait:: | 
                  public | function | Gets the messenger. | 27 | 
| 
            MessengerTrait:: | 
                  public | function | Sets the messenger. | |
| 
            PerformanceForm:: | 
                  protected | property | The CSS asset collection optimizer service. | |
| 
            PerformanceForm:: | 
                  protected | property | The date formatter service. | |
| 
            PerformanceForm:: | 
                  protected | property | The JavaScript asset collection optimizer service. | |
| 
            PerformanceForm:: | 
                  protected | property | The module handler. | |
| 
            PerformanceForm:: | 
                  public | function | 
            Form constructor. Overrides ConfigFormBase:: | 
                  |
| 
            PerformanceForm:: | 
                  public static | function | 
            Instantiates a new instance of this class. Overrides ConfigFormBase:: | 
                  |
| 
            PerformanceForm:: | 
                  protected | function | 
            Gets the configuration names that will be editable. Overrides ConfigFormBaseTrait:: | 
                  |
| 
            PerformanceForm:: | 
                  public | function | 
            Returns a unique string identifying the form. Overrides FormInterface:: | 
                  |
| 
            PerformanceForm:: | 
                  public | function | Clears the caches. | |
| 
            PerformanceForm:: | 
                  public | function | 
            Form submission handler. Overrides ConfigFormBase:: | 
                  |
| 
            PerformanceForm:: | 
                  public | function | 
            Constructs a PerformanceForm object. Overrides ConfigFormBase:: | 
                  |
| 
            RedirectDestinationTrait:: | 
                  protected | property | The redirect destination service. | 1 | 
| 
            RedirectDestinationTrait:: | 
                  protected | function | Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url. | |
| 
            RedirectDestinationTrait:: | 
                  protected | function | Returns the redirect destination service. | |
| 
            RedirectDestinationTrait:: | 
                  public | function | Sets the redirect destination service. | |
| 
            StringTranslationTrait:: | 
                  protected | property | The string translation service. | 4 | 
| 
            StringTranslationTrait:: | 
                  protected | function | Formats a string containing a count of items. | |
| 
            StringTranslationTrait:: | 
                  protected | function | Returns the number of plurals supported by a given language. | |
| 
            StringTranslationTrait:: | 
                  protected | function | Gets the string translation service. | |
| 
            StringTranslationTrait:: | 
                  public | function | Sets the string translation service to use. | 2 | 
| 
            StringTranslationTrait:: | 
                  protected | function | Translates a string to the current language or to a given language. |