ViewAddFormController.php

<?php

/**
 * @file
 * Contains Drupal\views_ui\ViewAddFormController.
 */
namespace Drupal\views_ui;

use Drupal\Core\Entity\EntityInterface;
use Drupal\views\Plugin\views\wizard\WizardPluginBase;

/**
 * Form controller for the Views edit form.
 */
class ViewAddFormController extends ViewFormControllerBase {

  /**
   * Overrides Drupal\Core\Entity\EntityFormController::prepareForm().
   */
  protected function prepareEntity(EntityInterface $view) {

    // Do not prepare the entity while it is being added.
  }

  /**
   * Overrides Drupal\Core\Entity\EntityFormController::form().
   */
  public function form(array $form, array &$form_state, EntityInterface $view) {
    $form['#attached']['css'] = static::getAdminCSS();
    $form['#attached']['js'][] = drupal_get_path('module', 'views_ui') . '/js/views-admin.js';
    $form['#attributes']['class'] = array(
      'views-admin',
    );
    $form['name'] = array(
      '#type' => 'fieldset',
      '#attributes' => array(
        'class' => array(
          'fieldset-no-legend',
        ),
      ),
    );
    $form['name']['human_name'] = array(
      '#type' => 'textfield',
      '#title' => t('View name'),
      '#required' => TRUE,
      '#size' => 32,
      '#default_value' => '',
      '#maxlength' => 255,
    );
    $form['name']['name'] = array(
      '#type' => 'machine_name',
      '#maxlength' => 128,
      '#machine_name' => array(
        'exists' => 'views_get_view',
        'source' => array(
          'name',
          'human_name',
        ),
      ),
      '#description' => t('A unique machine-readable name for this View. It must only contain lowercase letters, numbers, and underscores.'),
    );
    $form['name']['description_enable'] = array(
      '#type' => 'checkbox',
      '#title' => t('Description'),
    );
    $form['name']['description'] = array(
      '#type' => 'textfield',
      '#title' => t('Provide description'),
      '#title_display' => 'invisible',
      '#size' => 64,
      '#default_value' => '',
      '#states' => array(
        'visible' => array(
          ':input[name="description_enable"]' => array(
            'checked' => TRUE,
          ),
        ),
      ),
    );

    // Create a wrapper for the entire dynamic portion of the form. Everything
    // that can be updated by AJAX goes somewhere inside here. For example, this
    // is needed by "Show" dropdown (below); it changes the base table of the
    // view and therefore potentially requires all options on the form to be
    // dynamically updated.
    $form['displays'] = array();

    // Create the part of the form that allows the user to select the basic
    // properties of what the view will display.
    $form['displays']['show'] = array(
      '#type' => 'fieldset',
      '#tree' => TRUE,
      '#attributes' => array(
        'class' => array(
          'container-inline',
        ),
      ),
    );

    // Create the "Show" dropdown, which allows the base table of the view to be
    // selected.
    $wizard_plugins = drupal_container()
      ->get("plugin.manager.views.wizard")
      ->getDefinitions();
    $options = array();
    foreach ($wizard_plugins as $key => $wizard) {
      $options[$key] = $wizard['title'];
    }
    $form['displays']['show']['wizard_key'] = array(
      '#type' => 'select',
      '#title' => t('Show'),
      '#options' => $options,
    );
    $show_form =& $form['displays']['show'];
    $default_value = module_exists('node') ? 'node' : 'users';
    $show_form['wizard_key']['#default_value'] = WizardPluginBase::getSelected($form_state, array(
      'show',
      'wizard_key',
    ), $default_value, $show_form['wizard_key']);

    // Changing this dropdown updates the entire content of $form['displays'] via
    // AJAX.
    views_ui_add_ajax_trigger($show_form, 'wizard_key', array(
      'displays',
    ));

    // Build the rest of the form based on the currently selected wizard plugin.
    $wizard_key = $show_form['wizard_key']['#default_value'];
    $wizard_instance = drupal_container()
      ->get("plugin.manager.views.wizard")
      ->createInstance($wizard_key);
    $form = $wizard_instance
      ->build_form($form, $form_state);
    return $form;
  }

  /**
   * Overrides Drupal\Core\Entity\EntityFormController::actions().
   */
  protected function actions(array $form, array &$form_state) {
    $actions = parent::actions($form, $form_state);
    $actions['submit']['#value'] = t('Save & exit');
    $actions['continueAndEdit'] = array(
      '#value' => t('Continue & edit'),
      '#validate' => array(
        array(
          $this,
          'validate',
        ),
      ),
      '#submit' => array(
        array(
          $this,
          'continueAndEdit',
        ),
      ),
    );
    $actions['cancel'] = array(
      '#value' => t('Cancel'),
      '#submit' => array(
        array(
          $this,
          'cancel',
        ),
      ),
      '#limit_validation_errors' => array(),
    );
    return $actions;
  }

  /**
   * Overrides Drupal\Core\Entity\EntityFormController::validate().
   */
  public function validate(array $form, array &$form_state) {
    $wizard_type = $form_state['values']['show']['wizard_key'];
    $wizard_instance = drupal_container()
      ->get('plugin.manager.views.wizard')
      ->createInstance($wizard_type);
    $form_state['wizard'] = $wizard_instance
      ->getDefinition();
    $form_state['wizard_instance'] = $wizard_instance;
    $errors = $form_state['wizard_instance']
      ->validateView($form, $form_state);
    foreach ($errors as $name => $message) {
      form_set_error($name, $message);
    }
  }

  /**
   * Overrides Drupal\Core\Entity\EntityFormController::submit().
   */
  public function submit(array $form, array &$form_state) {
    try {
      $view = $form_state['wizard_instance']
        ->create_view($form, $form_state);
    } catch (WizardException $e) {
      drupal_set_message($e
        ->getMessage(), 'error');
      $form_state['redirect'] = 'admin/structure/views';
      return;
    }
    $view
      ->save();
    $form_state['redirect'] = 'admin/structure/views';
    if (!empty($view
      ->get('executable')->displayHandlers['page_1'])) {
      $display = $view
        ->get('executable')->displayHandlers['page_1'];
      if ($display
        ->hasPath()) {
        $one_path = $display
          ->getOption('path');
        if (strpos($one_path, '%') === FALSE) {
          $form_state['redirect'] = $one_path;

          // PATH TO THE VIEW IF IT HAS ONE
          return;
        }
      }
    }
    drupal_set_message(t('Your view was saved. You may edit it from the list below.'));
  }

  /**
   * Form submission handler for the 'continue' action.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param array $form_state
   *   A reference to a keyed array containing the current state of the form.
   */
  public function continueAndEdit(array $form, array &$form_state) {
    try {
      $view = $form_state['wizard_instance']
        ->create_view($form, $form_state);
    } catch (WizardException $e) {
      drupal_set_message($e
        ->getMessage(), 'error');
      $form_state['redirect'] = 'admin/structure/views';
      return;
    }

    // Just cache it temporarily to edit it.
    views_ui_cache_set($view);

    // If there is a destination query, ensure we still redirect the user to the
    // edit view page, and then redirect the user to the destination.
    // @todo: Revisit this when http://drupal.org/node/1668866 is in.
    $destination = array();
    $query = drupal_container()
      ->get('request')->query;
    if ($query
      ->has('destination')) {
      $destination = drupal_get_destination();
      $query
        ->remove('destination');
    }
    $form_state['redirect'] = array(
      'admin/structure/views/view/' . $view
        ->get('name'),
      array(
        'query' => $destination,
      ),
    );
  }

  /**
   * Form submission handler for the 'cancel' action.
   *
   * @param array $form
   *   An associative array containing the structure of the form.
   * @param array $form_state
   *   A reference to a keyed array containing the current state of the form.
   */
  public function cancel(array $form, array &$form_state) {
    $form_state['redirect'] = 'admin/structure/views';
  }

}