class ImageStyleDeleteForm

Same name in other branches
  1. 9 core/modules/image/src/Form/ImageStyleDeleteForm.php \Drupal\image\Form\ImageStyleDeleteForm
  2. 8.9.x core/modules/image/src/Form/ImageStyleDeleteForm.php \Drupal\image\Form\ImageStyleDeleteForm
  3. 11.x core/modules/image/src/Form/ImageStyleDeleteForm.php \Drupal\image\Form\ImageStyleDeleteForm

Creates a form to delete an image style.

@internal

Hierarchy

Expanded class hierarchy of ImageStyleDeleteForm

File

core/modules/image/src/Form/ImageStyleDeleteForm.php, line 13

Namespace

Drupal\image\Form
View source
class ImageStyleDeleteForm extends EntityDeleteForm {
    
    /**
     * Replacement options.
     *
     * @var array
     */
    protected $replacementOptions;
    
    /**
     * {@inheritdoc}
     */
    public function getQuestion() {
        return $this->t('Optionally select a style before deleting %style', [
            '%style' => $this->entity
                ->label(),
        ]);
    }
    
    /**
     * {@inheritdoc}
     */
    public function getDescription() {
        if (count($this->getReplacementOptions()) > 1) {
            return $this->t('If this style is in use on the site, you may select another style to replace it. All images that have been generated for this style will be permanently deleted. If no replacement style is selected, the dependent configurations might need manual reconfiguration.');
        }
        return $this->t('All images that have been generated for this style will be permanently deleted. The dependent configurations might need manual reconfiguration.');
    }
    
    /**
     * {@inheritdoc}
     */
    public function form(array $form, FormStateInterface $form_state) {
        $replacement_styles = $this->getReplacementOptions();
        // If there are non-empty options in the list, allow the user to optionally
        // pick up a replacement.
        if (count($replacement_styles) > 1) {
            $form['replacement'] = [
                '#type' => 'select',
                '#title' => $this->t('Replacement style'),
                '#options' => $replacement_styles,
                '#empty_option' => $this->t('- No replacement -'),
                '#weight' => -5,
            ];
        }
        return parent::form($form, $form_state);
    }
    
    /**
     * {@inheritdoc}
     */
    public function submitForm(array &$form, FormStateInterface $form_state) {
        // Save a selected replacement in the image style storage. It will be used
        // later, in the same request, when resolving dependencies.
        if ($replacement = $form_state->getValue('replacement')) {
            
            /** @var \Drupal\image\ImageStyleStorageInterface $storage */
            $storage = $this->entityTypeManager
                ->getStorage($this->entity
                ->getEntityTypeId());
            $storage->setReplacementId($this->entity
                ->id(), $replacement);
        }
        parent::submitForm($form, $form_state);
    }
    
    /**
     * Returns a list of image style replacement options.
     *
     * @return array
     *   An option list suitable for the form select '#options'.
     */
    protected function getReplacementOptions() {
        if (!isset($this->replacementOptions)) {
            $this->replacementOptions = array_diff_key(image_style_options(), [
                $this->getEntity()
                    ->id() => '',
            ]);
        }
        return $this->replacementOptions;
    }

}

Members

Title Sort descending Modifiers Object type Summary Overriden Title Overrides
ConfigDependencyDeleteFormTrait::addDependencyListsToForm protected function Adds form elements to list affected configuration entities.
ConfigDependencyDeleteFormTrait::t abstract protected function Translates a string to the current language or to a given language.
DependencySerializationTrait::$_entityStorages protected property
DependencySerializationTrait::$_serviceIds protected property
DependencySerializationTrait::__sleep public function 1
DependencySerializationTrait::__wakeup public function 2
EntityConfirmFormBase::actions protected function Returns an array of supported actions for the current entity form. Overrides EntityForm::actions 1
EntityConfirmFormBase::delete public function The delete() method is not used in EntityConfirmFormBase. This overrides
the default implementation that redirects to the delete-form confirmation
form.
EntityConfirmFormBase::getBaseFormId public function Returns a string identifying the base form. Overrides EntityForm::getBaseFormId
EntityConfirmFormBase::getCancelText public function Returns a caption for the link which cancels the action. Overrides ConfirmFormInterface::getCancelText
EntityConfirmFormBase::getFormName public function Returns the internal name used to refer to the confirmation item. Overrides ConfirmFormInterface::getFormName
EntityConfirmFormBase::save public function The save() method is not used in EntityConfirmFormBase. This overrides the
default implementation that saves the entity.
Overrides EntityForm::save
EntityDeleteForm::buildForm public function Form constructor. Overrides EntityConfirmFormBase::buildForm 6
EntityDeleteForm::getConfigManager protected function Gets the configuration manager.
EntityDeleteForm::getConfigNamesToDelete protected function Returns config names to delete for the deletion confirmation form. 1
EntityDeleteFormTrait::getCancelUrl public function 3
EntityDeleteFormTrait::getConfirmText public function 1
EntityDeleteFormTrait::getDeletionMessage protected function Gets the message to display to the user after deleting the entity. 3
EntityDeleteFormTrait::getEntity abstract public function Gets the entity of this form.
EntityDeleteFormTrait::getRedirectUrl protected function Returns the URL where the user should be redirected after deletion. 4
EntityDeleteFormTrait::logDeletionMessage protected function Logs a message about the deleted entity. 2
EntityDeleteFormTrait::logger abstract protected function Gets the logger for a specific channel.
EntityForm::$entity protected property The entity being used by this form. 11
EntityForm::$entityTypeManager protected property The entity type manager. 3
EntityForm::$moduleHandler protected property The module handler service. 2
EntityForm::$operation protected property The name of the current operation.
EntityForm::actionsElement protected function Returns the action form element for the current entity form.
EntityForm::afterBuild public function Form element #after_build callback: Updates the entity with submitted data. 1
EntityForm::buildEntity public function Builds an updated entity object based upon the submitted form values. Overrides EntityFormInterface::buildEntity 5
EntityForm::copyFormValuesToEntity protected function Copies top-level form values to entity properties. 11
EntityForm::getEntityFromRouteMatch public function Determines which entity will be used by this form from a RouteMatch object. Overrides EntityFormInterface::getEntityFromRouteMatch 3
EntityForm::getFormId public function Returns a unique string identifying the form. Overrides FormInterface::getFormId 13
EntityForm::getOperation public function Gets the operation identifying the form. Overrides EntityFormInterface::getOperation
EntityForm::init protected function Initialize the form state and the entity before the first form build. 3
EntityForm::prepareEntity protected function Prepares the entity object before the form is built first. 3
EntityForm::prepareInvokeAll protected function Invokes the specified prepare hook variant.
EntityForm::processForm public function Process callback: assigns weights and hides extra fields.
EntityForm::setEntity public function Sets the form entity. Overrides EntityFormInterface::setEntity
EntityForm::setEntityTypeManager public function Sets the entity type manager for this form. Overrides EntityFormInterface::setEntityTypeManager
EntityForm::setModuleHandler public function Sets the module handler for this form. Overrides EntityFormInterface::setModuleHandler
EntityForm::setOperation public function Sets the operation for this form. Overrides EntityFormInterface::setOperation
FormBase::$configFactory protected property The config factory. 3
FormBase::$requestStack protected property The request stack. 1
FormBase::$routeMatch protected property The route match.
FormBase::config protected function Retrieves a configuration object.
FormBase::configFactory protected function Gets the config factory for this form. 3
FormBase::container private function Returns the service container.
FormBase::create public static function Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create 111
FormBase::currentUser protected function Gets the current user. 2
FormBase::getRequest protected function Gets the request object.
FormBase::getRouteMatch protected function Gets the route match.
FormBase::redirect protected function Returns a redirect response object for the specified route.
FormBase::resetConfigFactory public function Resets the configuration factory.
FormBase::setConfigFactory public function Sets the config factory for this form.
FormBase::setRequestStack public function Sets the request stack object to use.
FormBase::validateForm public function Form validation handler. Overrides FormInterface::validateForm 57
ImageStyleDeleteForm::$replacementOptions protected property Replacement options.
ImageStyleDeleteForm::form public function Gets the actual form array to be built. Overrides EntityForm::form
ImageStyleDeleteForm::getDescription public function Returns additional text to display as a description. Overrides EntityConfirmFormBase::getDescription
ImageStyleDeleteForm::getQuestion public function Overrides EntityDeleteFormTrait::getQuestion
ImageStyleDeleteForm::getReplacementOptions protected function Returns a list of image style replacement options.
ImageStyleDeleteForm::submitForm public function Overrides EntityDeleteFormTrait::submitForm
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. 16
MessengerTrait::messenger public function Gets the messenger. 16
MessengerTrait::setMessenger public function Sets the messenger.
RedirectDestinationTrait::$redirectDestination protected property The redirect destination service. 2
RedirectDestinationTrait::getDestinationArray protected function Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url.
RedirectDestinationTrait::getRedirectDestination protected function Returns the redirect destination service.
RedirectDestinationTrait::setRedirectDestination public function Sets the redirect destination service.
StringTranslationTrait::$stringTranslation protected property The string translation service. 3
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

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