class ViewPreviewForm in Drupal 9

Same name and namespace in other branches

8 core/modules/views_ui/src/ViewPreviewForm.php \Drupal\views_ui\ViewPreviewForm

Form controller for the Views preview form.

@internal

Hierarchy

class \Drupal\Core\Form\FormBase implements ContainerInjectionInterface, FormInterface uses DependencySerializationTrait, LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\Core\Entity\EntityForm implements EntityFormInterface
  - class \Drupal\views_ui\ViewFormBase
    class \Drupal\views_ui\ViewPreviewForm

Expanded class hierarchy of ViewPreviewForm

File

core/modules/views_ui/src/ViewPreviewForm.php, line 13

Namespace

Drupal\views_ui

View source

class ViewPreviewForm extends ViewFormBase {

  /**
   * {@inheritdoc}
   */
  public function form(array $form, FormStateInterface $form_state) {
    $view = $this->entity;
    $form['#prefix'] = '<div id="views-preview-wrapper" class="views-preview-wrapper views-admin clearfix">';
    $form['#suffix'] = '</div>';
    $form['#id'] = 'views-ui-preview-form';
    $form_state
      ->disableCache();
    $form['controls']['#attributes'] = [
      'class' => [
        'clearfix',
      ],
    ];
    $form['controls']['title'] = [
      '#prefix' => '<h2 class="view-preview-form__title">',
      '#markup' => $this
        ->t('Preview'),
      '#suffix' => '</h2>',
    ];

    // Add a checkbox controlling whether or not this display auto-previews.
    $form['controls']['live_preview'] = [
      '#type' => 'checkbox',
      '#id' => 'edit-displays-live-preview',
      '#title' => $this
        ->t('Auto preview'),
      '#default_value' => \Drupal::config('views.settings')
        ->get('ui.always_live_preview'),
    ];

    // Add the arguments textfield
    $form['controls']['view_args'] = [
      '#type' => 'textfield',
      '#title' => $this
        ->t('Preview with contextual filters:'),
      '#description' => $this
        ->t('Separate contextual filter values with a "/". For example, %example.', [
        '%example' => '40/12/10',
      ]),
      '#id' => 'preview-args',
    ];
    $args = [];
    if (!$form_state
      ->isValueEmpty('view_args')) {
      $args = explode('/', $form_state
        ->getValue('view_args'));
    }
    $user_input = $form_state
      ->getUserInput();
    if ($form_state
      ->get('show_preview') || !empty($user_input['js'])) {
      $form['preview'] = [
        '#weight' => 110,
        '#theme_wrappers' => [
          'container',
        ],
        '#attributes' => [
          'id' => 'views-live-preview',
          'class' => [
            'views-live-preview',
          ],
        ],
        'preview' => $view
          ->renderPreview($this->displayID, $args),
      ];
    }
    $uri = $view
      ->toUrl('preview-form');
    $uri
      ->setRouteParameter('display_id', $this->displayID);
    $form['#action'] = $uri
      ->toString();
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  protected function actions(array $form, FormStateInterface $form_state) {
    $view = $this->entity;
    return [
      '#attributes' => [
        'id' => 'preview-submit-wrapper',
        'class' => [
          'preview-submit-wrapper',
        ],
      ],
      'button' => [
        '#type' => 'submit',
        '#value' => $this
          ->t('Update preview'),
        '#attributes' => [
          'class' => [
            'arguments-preview',
          ],
        ],
        '#submit' => [
          '::submitPreview',
        ],
        '#id' => 'preview-submit',
        '#ajax' => [
          'url' => Url::fromRoute('entity.view.preview_form', [
            'view' => $view
              ->id(),
            'display_id' => $this->displayID,
          ]),
          'wrapper' => 'views-preview-wrapper',
          'event' => 'click',
          'progress' => [
            'type' => 'fullscreen',
          ],
          'method' => 'replaceWith',
          'disable-refocus' => TRUE,
        ],
      ],
    ];
  }

  /**
   * Form submission handler for the Preview button.
   */
  public function submitPreview($form, FormStateInterface $form_state) {
    $form_state
      ->set('show_preview', TRUE);
    $form_state
      ->setRebuild();
  }

}

Members

Name	Modifiers	Type	Description	Overrides
DependencySerializationTrait::$_entityStorages	protected	property
DependencySerializationTrait::$_serviceIds	protected	property
DependencySerializationTrait::__sleep	public	function		2
DependencySerializationTrait::__wakeup	public	function		2
EntityForm::$entity	protected	property	The entity being used by this form.	11
EntityForm::$entityTypeManager	protected	property	The entity type manager.	3
EntityForm::$moduleHandler	protected	property	The module handler service.
EntityForm::$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.
EntityForm::buildEntity	public	function	Builds an updated entity object based upon the submitted form values. Overrides EntityFormInterface::buildEntity	3
EntityForm::copyFormValuesToEntity	protected	function	Copies top-level form values to entity properties.	9
EntityForm::getBaseFormId	public	function	Returns a string identifying the base form. Overrides BaseFormIdInterface::getBaseFormId	6
EntityForm::getEntity	public	function	Gets the form entity. Overrides EntityFormInterface::getEntity
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	12
EntityForm::getOperation	public	function	Gets the operation identifying the form. Overrides EntityFormInterface::getOperation
EntityForm::prepareInvokeAll	protected	function	Invokes the specified prepare hook variant.
EntityForm::processForm	public	function	Process callback: assigns weights and hides extra fields.
EntityForm::save	public	function	Form submission handler for the 'save' action. Overrides EntityFormInterface::save	47
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
EntityForm::submitForm	public	function	This is the default entity object builder function. It is called before any other submit handler to build the new entity object to be used by the following submit handlers. At this point of the form workflow the entity is validated and the form state… Overrides FormInterface::submitForm	20
FormBase::$configFactory	protected	property	The config factory.	3
FormBase::$requestStack	protected	property	The request stack.	1
FormBase::$routeMatch	protected	property	The route match.
FormBase::config	protected	function	Retrieves a configuration object.
FormBase::configFactory	protected	function	Gets the config factory for this form.	3
FormBase::container	private	function	Returns the service container.
FormBase::create	public static	function	Instantiates a new instance of this class. Overrides ContainerInjectionInterface::create	105
FormBase::currentUser	protected	function	Gets the current user.
FormBase::getRequest	protected	function	Gets the request object.
FormBase::getRouteMatch	protected	function	Gets the route match.
FormBase::logger	protected	function	Gets the logger for a specific channel.
FormBase::redirect	protected	function	Returns a redirect response object for the specified route.
FormBase::resetConfigFactory	public	function	Resets the configuration factory.
FormBase::setConfigFactory	public	function	Sets the config factory for this form.
FormBase::setRequestStack	public	function	Sets the request stack object to use.
FormBase::validateForm	public	function	Form validation handler. Overrides FormInterface::validateForm	72
LoggerChannelTrait::$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::$messenger	protected	property	The messenger.	27
MessengerTrait::messenger	public	function	Gets the messenger.	27
MessengerTrait::setMessenger	public	function	Sets the messenger.
RedirectDestinationTrait::$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::$stringTranslation	protected	property	The string translation service.	4
StringTranslationTrait::formatPlural	protected	function	Formats a string containing a count of items.
StringTranslationTrait::getNumberOfPlurals	protected	function	Returns the number of plurals supported by a given language.
StringTranslationTrait::getStringTranslation	protected	function	Gets the string translation service.
StringTranslationTrait::setStringTranslation	public	function	Sets the string translation service to use.	2
StringTranslationTrait::t	protected	function	Translates a string to the current language or to a given language.
ViewFormBase::$displayID	protected	property	The name of the display used by the form.
ViewFormBase::buildForm	public	function	Form constructor. Overrides EntityForm::buildForm
ViewFormBase::getDisplayLabel	public	function	Placeholder function for overriding $display['display_title'].
ViewFormBase::getDisplayTabs	public	function	Adds tabs for navigating across Displays when editing a View.
ViewFormBase::init	public	function	Initialize the form state and the entity before the first form build. Overrides EntityForm::init
ViewFormBase::isDefaultDisplayShown	public	function	Controls whether or not the default display should have its own tab on edit.
ViewFormBase::prepareEntity	protected	function	Prepares the entity object before the form is built first. Overrides EntityForm::prepareEntity	2
ViewPreviewForm::actions	protected	function	Returns an array of supported actions for the current entity form. Overrides EntityForm::actions
ViewPreviewForm::form	public	function	Gets the actual form array to be built. Overrides EntityForm::form
ViewPreviewForm::submitPreview	public	function	Form submission handler for the Preview button.

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class ViewPreviewForm in Drupal 9

Hierarchy

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