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class UploadForm in Image Entity Browser 8

Class TestModalForm.

@package Drupal\modal\Form

Hierarchy

Expanded class hierarchy of UploadForm

1 string reference to 'UploadForm'
image_browser.routing.yml in ./image_browser.routing.yml
image_browser.routing.yml

File

src/Form/UploadForm.php, line 22
Contains \Drupal\image_browser\Form.

Namespace

Drupal\image_browser\Form
View source 
class UploadForm extends FormBase {

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'image_browser_upload_form';
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {

    //We only accept ajax request for that page
    if (false == \Drupal::request()
      ->isXmlHttpRequest()) {
      throw new \Symfony\Component\HttpKernel\Exception\NotFoundHttpException();
    }
    $form['image'] = array(
      '#type' => 'managed_file',
      '#title' => $this
        ->t('Upload a new file'),
      '#required' => TRUE,
      '#upload_location' => 'public://',
      '#upload_validators' => array(
        'file_validate_extensions' => array(
          'gif png jpg jpeg svg',
        ),
      ),
      '#description' => $this
        ->t('Supports file types: gif png jpg jpeg svg'),
    );
    $form['actions']['#type'] = 'actions';
    $form['actions']['submit'] = array(
      '#type' => 'submit',
      '#value' => $this
        ->t('Submit'),
      '#ajax' => array(
        'callback' => '::submitForm',
      ),
    );
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $response = new AjaxResponse();
    $fid = $form_state
      ->getValue(array(
      'image',
      0,
    ));
    if ($file = File::load($fid)) {
      $file_url = file_create_url($file
        ->getFileUri());
      if ($file
        ->getMimeType() == 'image/svg+xml') {
        $preview = array(
          '#markup' => '<img src="' . $file_url . '" style="max-width:100px"/>',
        );
      }
      else {
        $preview = array(
          '#theme' => 'image_style',
          '#style_name' => 'image_browser_thumbnail',
          '#uri' => $file
            ->getFileUri(),
        );
      }
      $response
        ->addCommand(new HtmlCommand('.image-browser.active .image-preview', $preview));
      $response
        ->addCommand(new InvokeCommand('.image-browser.active input[type=hidden]', 'val', array(
        'file:' . $fid,
      )));
      $response
        ->addCommand(new InvokeCommand('.image-browser.active', 'addClass', array(
        'has-image',
      )));
      $response
        ->addCommand(new InvokeCommand('.image-browser.active input[type=hidden]', 'data', array(
        [
          'url' => $file_url,
        ],
      )));
      $response
        ->addCommand(new InvokeCommand('.image-browser.active input[type=hidden]', 'trigger', array(
        'update',
      )));
    }
    else {
      $response
        ->addCommand(new HtmlCommand('.image-browser.active .image-preview', ''));
      $response
        ->addCommand(new InvokeCommand('.image-browser.active input[type=hidden]', 'val', array(
        '',
      )));
      $response
        ->addCommand(new InvokeCommand('.image-browser.active', 'removeClass', array(
        'has-image',
      )));
      $response
        ->addCommand(new InvokeCommand('.image-browser.active input[type=hidden]', 'trigger', array(
        'update',
      )));
    }
    $response
      ->addCommand(new CloseModalDialogCommand());
    return $response;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
DependencySerializationTrait::$_entityStorages protected property An array of entity type IDs keyed by the property name of their storages.
DependencySerializationTrait::$_serviceIds protected property An array of service IDs keyed by property name used for serialization.
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
FormBase::$configFactory protected property The config factory. 1
FormBase::$requestStack protected property The request stack. 1
FormBase::$routeMatch protected property The route match.
FormBase::config protected function Retrieves a configuration object.
FormBase::configFactory protected function Gets the config factory for this form. 1
FormBase::container private function Returns the service container.
FormBase::create public static function Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create 87
FormBase::currentUser protected function Gets the current user.
FormBase::getRequest protected function Gets the request object.
FormBase::getRouteMatch protected function Gets the route match.
FormBase::logger protected function Gets the logger for a specific channel.
FormBase::redirect protected function Returns a redirect response object for the specified route. Overrides UrlGeneratorTrait::redirect
FormBase::resetConfigFactory public function Resets the configuration factory.
FormBase::setConfigFactory public function Sets the config factory for this form.
FormBase::setRequestStack public function Sets the request stack object to use.
FormBase::validateForm public function Form validation handler. Overrides FormInterface::validateForm 62
LinkGeneratorTrait::$linkGenerator protected property The link generator. 1
LinkGeneratorTrait::getLinkGenerator Deprecated protected function Returns the link generator.
LinkGeneratorTrait::l Deprecated protected function Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator Deprecated public function Sets the link generator service.
LoggerChannelTrait::$loggerFactory protected property The logger channel factory service.
LoggerChannelTrait::getLogger protected function Gets the logger for a specific channel.
LoggerChannelTrait::setLoggerFactory public function Injects the logger channel factory.
MessengerTrait::$messenger protected property The messenger. 29
MessengerTrait::messenger public function Gets the messenger. 29
MessengerTrait::setMessenger public function Sets the messenger.
RedirectDestinationTrait::$redirectDestination protected property The redirect destination service. 1
RedirectDestinationTrait::getDestinationArray protected function Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination protected function Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination public function Sets the redirect destination service.
StringTranslationTrait::$stringTranslation protected property The string translation service. 1
StringTranslationTrait::formatPlural protected function Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals protected function Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation protected function Gets the string translation service.
StringTranslationTrait::setStringTranslation public function Sets the string translation service to use. 2
StringTranslationTrait::t protected function Translates a string to the current language or to a given language.
UploadForm::buildForm public function Form constructor. Overrides FormInterface::buildForm
UploadForm::getFormId public function Returns a unique string identifying the form. Overrides FormInterface::getFormId
UploadForm::submitForm public function Form submission handler. Overrides FormInterface::submitForm
UrlGeneratorTrait::$urlGenerator protected property The url generator.
UrlGeneratorTrait::getUrlGenerator Deprecated protected function Returns the URL generator service.
UrlGeneratorTrait::setUrlGenerator Deprecated public function Sets the URL generator service.
UrlGeneratorTrait::url Deprecated protected function Generates a URL or path for a specific route based on the given parameters.