abstract class ImageEffectFormBase in Zircon Profile 8

Provides a base form for image effects.

Hierarchy

• class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LinkGeneratorTrait, RedirectDestinationTrait, UrlGeneratorTrait, StringTranslationTrait
  • class \Drupal\image\Form\ImageEffectFormBase

File

core/modules/image/src/Form/ImageEffectFormBase.php, line 21

Contains \Drupal\image\Form\ImageEffectFormBase.

Namespace

Drupal\image\Form

abstract class ImageEffectFormBase extends FormBase {

  /**
   * The image style.
   *
   * @var \Drupal\image\ImageStyleInterface
   */
  protected $imageStyle;

  /**
   * The image effect.
   *
   * @var \Drupal\image\ImageEffectInterface
   */
  protected $imageEffect;

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

  /**
   * {@inheritdoc}
   *
   * @param \Drupal\image\ImageStyleInterface $image_style
   *   The image style.
   * @param string $image_effect
   *   The image effect ID.
   *
   * @return array
   *   The form structure.
   *
   * @throws \Symfony\Component\HttpKernel\Exception\NotFoundHttpException
   */
  public function buildForm(array $form, FormStateInterface $form_state, ImageStyleInterface $image_style = NULL, $image_effect = NULL) {
    $this->imageStyle = $image_style;
    try {
      $this->imageEffect = $this
        ->prepareImageEffect($image_effect);
    } catch (PluginNotFoundException $e) {
      throw new NotFoundHttpException("Invalid effect id: '{$image_effect}'.");
    }
    $request = $this
      ->getRequest();
    if (!$this->imageEffect instanceof ConfigurableImageEffectInterface) {
      throw new NotFoundHttpException();
    }
    $form['#attached']['library'][] = 'image/admin';
    $form['uuid'] = array(
      '#type' => 'value',
      '#value' => $this->imageEffect
        ->getUuid(),
    );
    $form['id'] = array(
      '#type' => 'value',
      '#value' => $this->imageEffect
        ->getPluginId(),
    );
    $form['data'] = $this->imageEffect
      ->buildConfigurationForm(array(), $form_state);
    $form['data']['#tree'] = TRUE;

    // Check the URL for a weight, then the image effect, otherwise use default.
    $form['weight'] = array(
      '#type' => 'hidden',
      '#value' => $request->query
        ->has('weight') ? (int) $request->query
        ->get('weight') : $this->imageEffect
        ->getWeight(),
    );
    $form['actions'] = array(
      '#type' => 'actions',
    );
    $form['actions']['submit'] = array(
      '#type' => 'submit',
      '#button_type' => 'primary',
    );
    $form['actions']['cancel'] = array(
      '#type' => 'link',
      '#title' => $this
        ->t('Cancel'),
      '#url' => $this->imageStyle
        ->urlInfo('edit-form'),
      '#attributes' => [
        'class' => [
          'button',
        ],
      ],
    );
    return $form;
  }

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

    // The image effect configuration is stored in the 'data' key in the form,
    // pass that through for validation.
    $effect_data = (new FormState())
      ->setValues($form_state
      ->getValue('data'));
    $this->imageEffect
      ->validateConfigurationForm($form, $effect_data);

    // Update the original form values.
    $form_state
      ->setValue('data', $effect_data
      ->getValues());
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    $form_state
      ->cleanValues();

    // The image effect configuration is stored in the 'data' key in the form,
    // pass that through for submission.
    $effect_data = (new FormState())
      ->setValues($form_state
      ->getValue('data'));
    $this->imageEffect
      ->submitConfigurationForm($form, $effect_data);

    // Update the original form values.
    $form_state
      ->setValue('data', $effect_data
      ->getValues());
    $this->imageEffect
      ->setWeight($form_state
      ->getValue('weight'));
    if (!$this->imageEffect
      ->getUuid()) {
      $this->imageStyle
        ->addImageEffect($this->imageEffect
        ->getConfiguration());
    }
    $this->imageStyle
      ->save();
    drupal_set_message($this
      ->t('The image effect was successfully applied.'));
    $form_state
      ->setRedirectUrl($this->imageStyle
      ->urlInfo('edit-form'));
  }

  /**
   * Converts an image effect ID into an object.
   *
   * @param string $image_effect
   *   The image effect ID.
   *
   * @return \Drupal\image\ImageEffectInterface
   *   The image effect object.
   */
  protected abstract function prepareImageEffect($image_effect);

}

Members

Name	Modifiers	Type	Description	Overrides
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.	3
FormBase::$loggerFactory	protected	property	The logger factory.
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	3
FormBase::container	private	function	Returns the service container.
FormBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	84
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
ImageEffectFormBase::$imageEffect	protected	property	The image effect.
ImageEffectFormBase::$imageStyle	protected	property	The image style.
ImageEffectFormBase::buildForm	public	function	Overrides FormInterface::buildForm	2
ImageEffectFormBase::getFormId	public	function	Returns a unique string identifying the form. Overrides FormInterface::getFormId
ImageEffectFormBase::prepareImageEffect	abstract protected	function	Converts an image effect ID into an object.	2
ImageEffectFormBase::submitForm	public	function	Form submission handler. Overrides FormInterface::submitForm
ImageEffectFormBase::validateForm	public	function	Form validation handler. Overrides FormBase::validateForm
LinkGeneratorTrait::$linkGenerator	protected	property	The link generator.	1
LinkGeneratorTrait::getLinkGenerator	protected	function	Returns the link generator.
LinkGeneratorTrait::l	protected	function	Renders a link to a route given a route name and its parameters.
LinkGeneratorTrait::setLinkGenerator	public	function	Sets the link generator service.
RedirectDestinationTrait::$redirectDestination	protected	property	The redirect destination service.
RedirectDestinationTrait::getDestinationArray	protected	function	Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination	protected	function	Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination	public	function	Sets the redirect destination service.
StringTranslationTrait::$stringTranslation	protected	property	The string translation service.
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.
UrlGeneratorTrait::$urlGenerator	protected	property	The url generator.
UrlGeneratorTrait::getUrlGenerator	protected	function	Returns the URL generator service.
UrlGeneratorTrait::redirect	protected	function	Returns a redirect response object for the specified route.
UrlGeneratorTrait::setUrlGenerator	public	function	Sets the URL generator service.
UrlGeneratorTrait::url	protected	function	Generates a URL or path for a specific route based on the given parameters.