Chris@0: <?php
Chris@0: 
Chris@0: namespace Drupal\views_ui;
Chris@0: 
Chris@0: use Drupal\Core\Form\FormStateInterface;
Chris@0: use Drupal\views\Plugin\views\wizard\WizardPluginBase;
Chris@0: use Drupal\views\Plugin\views\wizard\WizardException;
Chris@0: use Drupal\views\Plugin\ViewsPluginManager;
Chris@0: use Symfony\Component\DependencyInjection\ContainerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Form controller for the Views edit form.
Chris@14:  *
Chris@14:  * @internal
Chris@0:  */
Chris@0: class ViewAddForm extends ViewFormBase {
Chris@0: 
Chris@0:   /**
Chris@0:    * The wizard plugin manager.
Chris@0:    *
Chris@0:    * @var \Drupal\views\Plugin\ViewsPluginManager
Chris@0:    */
Chris@0:   protected $wizardManager;
Chris@0: 
Chris@0:   /**
Chris@0:    * Constructs a new ViewEditForm object.
Chris@0:    *
Chris@0:    * @param \Drupal\views\Plugin\ViewsPluginManager $wizard_manager
Chris@0:    *   The wizard plugin manager.
Chris@0:    */
Chris@0:   public function __construct(ViewsPluginManager $wizard_manager) {
Chris@0:     $this->wizardManager = $wizard_manager;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public static function create(ContainerInterface $container) {
Chris@0:     return new static(
Chris@0:       $container->get('plugin.manager.views.wizard')
Chris@0:     );
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function prepareEntity() {
Chris@0:     // Do not prepare the entity while it is being added.
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function form(array $form, FormStateInterface $form_state) {
Chris@0:     $form['#attached']['library'][] = 'views_ui/views_ui.admin';
Chris@0:     $form['#attributes']['class'] = ['views-admin'];
Chris@0: 
Chris@0:     $form['name'] = [
Chris@0:       '#type' => 'fieldset',
Chris@0:       '#title' => t('View basic information'),
Chris@0:       '#attributes' => ['class' => ['fieldset-no-legend']],
Chris@0:     ];
Chris@0: 
Chris@0:     $form['name']['label'] = [
Chris@0:       '#type' => 'textfield',
Chris@0:       '#title' => $this->t('View name'),
Chris@0:       '#required' => TRUE,
Chris@0:       '#size' => 32,
Chris@0:       '#default_value' => '',
Chris@0:       '#maxlength' => 255,
Chris@0:     ];
Chris@0:     $form['name']['id'] = [
Chris@0:       '#type' => 'machine_name',
Chris@0:       '#maxlength' => 128,
Chris@0:       '#machine_name' => [
Chris@0:         'exists' => '\Drupal\views\Views::getView',
Chris@0:         'source' => ['name', 'label'],
Chris@0:       ],
Chris@0:       '#description' => $this->t('A unique machine-readable name for this View. It must only contain lowercase letters, numbers, and underscores.'),
Chris@0:     ];
Chris@0: 
Chris@0:     $form['name']['description_enable'] = [
Chris@0:       '#type' => 'checkbox',
Chris@0:       '#title' => $this->t('Description'),
Chris@0:     ];
Chris@0:     $form['name']['description'] = [
Chris@0:       '#type' => 'textfield',
Chris@0:       '#title' => $this->t('Provide description'),
Chris@0:       '#title_display' => 'invisible',
Chris@0:       '#size' => 64,
Chris@0:       '#default_value' => '',
Chris@0:       '#states' => [
Chris@0:         'visible' => [
Chris@0:           ':input[name="description_enable"]' => ['checked' => TRUE],
Chris@0:         ],
Chris@0:       ],
Chris@0:     ];
Chris@0: 
Chris@0:     // Create a wrapper for the entire dynamic portion of the form. Everything
Chris@0:     // that can be updated by AJAX goes somewhere inside here. For example, this
Chris@0:     // is needed by "Show" dropdown (below); it changes the base table of the
Chris@0:     // view and therefore potentially requires all options on the form to be
Chris@0:     // dynamically updated.
Chris@0:     $form['displays'] = [];
Chris@0: 
Chris@0:     // Create the part of the form that allows the user to select the basic
Chris@0:     // properties of what the view will display.
Chris@0:     $form['displays']['show'] = [
Chris@0:       '#type' => 'fieldset',
Chris@0:       '#title' => t('View settings'),
Chris@0:       '#tree' => TRUE,
Chris@0:       '#attributes' => ['class' => ['container-inline']],
Chris@0:     ];
Chris@0: 
Chris@0:     // Create the "Show" dropdown, which allows the base table of the view to be
Chris@0:     // selected.
Chris@0:     $wizard_plugins = $this->wizardManager->getDefinitions();
Chris@0:     $options = [];
Chris@0:     foreach ($wizard_plugins as $key => $wizard) {
Chris@0:       $options[$key] = $wizard['title'];
Chris@0:     }
Chris@0:     $form['displays']['show']['wizard_key'] = [
Chris@0:       '#type' => 'select',
Chris@0:       '#title' => $this->t('Show'),
Chris@0:       '#options' => $options,
Chris@0:     ];
Chris@0:     $show_form = &$form['displays']['show'];
Chris@0:     $default_value = \Drupal::moduleHandler()->moduleExists('node') ? 'node' : 'users';
Chris@0:     $show_form['wizard_key']['#default_value'] = WizardPluginBase::getSelected($form_state, ['show', 'wizard_key'], $default_value, $show_form['wizard_key']);
Chris@0:     // Changing this dropdown updates the entire content of $form['displays'] via
Chris@0:     // AJAX.
Chris@0:     views_ui_add_ajax_trigger($show_form, 'wizard_key', ['displays']);
Chris@0: 
Chris@0:     // Build the rest of the form based on the currently selected wizard plugin.
Chris@0:     $wizard_key = $show_form['wizard_key']['#default_value'];
Chris@0:     $wizard_instance = $this->wizardManager->createInstance($wizard_key);
Chris@0:     $form = $wizard_instance->buildForm($form, $form_state);
Chris@0: 
Chris@0:     return $form;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   protected function actions(array $form, FormStateInterface $form_state) {
Chris@0:     $actions = parent::actions($form, $form_state);
Chris@0:     $actions['submit']['#value'] = $this->t('Save and edit');
Chris@0:     // Remove EntityFormController::save() form the submission handlers.
Chris@0:     $actions['submit']['#submit'] = [[$this, 'submitForm']];
Chris@0:     $actions['cancel'] = [
Chris@0:       '#type' => 'submit',
Chris@0:       '#value' => $this->t('Cancel'),
Chris@0:       '#submit' => ['::cancel'],
Chris@0:       '#limit_validation_errors' => [],
Chris@0:     ];
Chris@0:     return $actions;
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function validateForm(array &$form, FormStateInterface $form_state) {
Chris@0:     $wizard_type = $form_state->getValue(['show', 'wizard_key']);
Chris@0:     $wizard_instance = $this->wizardManager->createInstance($wizard_type);
Chris@0:     $form_state->set('wizard', $wizard_instance->getPluginDefinition());
Chris@0:     $form_state->set('wizard_instance', $wizard_instance);
Chris@0:     $errors = $wizard_instance->validateView($form, $form_state);
Chris@0: 
Chris@0:     foreach ($errors as $display_errors) {
Chris@0:       foreach ($display_errors as $name => $message) {
Chris@0:         $form_state->setErrorByName($name, $message);
Chris@0:       }
Chris@0:     }
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * {@inheritdoc}
Chris@0:    */
Chris@0:   public function submitForm(array &$form, FormStateInterface $form_state) {
Chris@0:     try {
Chris@0:       /** @var $wizard \Drupal\views\Plugin\views\wizard\WizardInterface */
Chris@0:       $wizard = $form_state->get('wizard_instance');
Chris@0:       $this->entity = $wizard->createView($form, $form_state);
Chris@0:     }
Chris@0:     // @todo Figure out whether it really makes sense to throw and catch exceptions on the wizard.
Chris@0:     catch (WizardException $e) {
Chris@17:       $this->messenger()->addError($e->getMessage());
Chris@0:       $form_state->setRedirect('entity.view.collection');
Chris@0:       return;
Chris@0:     }
Chris@0:     $this->entity->save();
Chris@17:     $this->messenger()->addStatus($this->t('The view %name has been saved.', ['%name' => $form_state->getValue('label')]));
Chris@18:     $form_state->setRedirectUrl($this->entity->toUrl('edit-form'));
Chris@0:   }
Chris@0: 
Chris@0:   /**
Chris@0:    * Form submission handler for the 'cancel' action.
Chris@0:    *
Chris@0:    * @param array $form
Chris@0:    *   An associative array containing the structure of the form.
Chris@0:    * @param \Drupal\Core\Form\FormStateInterface $form_state
Chris@0:    *   The current state of the form.
Chris@0:    */
Chris@0:   public function cancel(array $form, FormStateInterface $form_state) {
Chris@0:     $form_state->setRedirect('entity.view.collection');
Chris@0:   }
Chris@0: 
Chris@0: }