DevelGenerateForm.php in Devel 8

Namespace

Drupal\devel_generate\Form

File

devel_generate/src/Form/DevelGenerateForm.php

<?php

namespace Drupal\devel_generate\Form;

use Drupal\Component\Plugin\PluginManagerInterface;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\devel_generate\DevelGenerateException;
use Symfony\Component\DependencyInjection\ContainerInterface;

/**
 * Defines a form that allows privileged users to generate entities.
 */
class DevelGenerateForm extends FormBase {

  /**
   * The manager to be used for instantiating plugins.
   *
   * @var \Drupal\Component\Plugin\PluginManagerInterface
   */
  protected $develGenerateManager;

  /**
   * Constructs a new DevelGenerateForm object.
   *
   * @param \Drupal\Component\Plugin\PluginManagerInterface $devel_generate_manager
   *   The manager to be used for instantiating plugins.
   */
  public function __construct(PluginManagerInterface $devel_generate_manager) {
    $this->develGenerateManager = $devel_generate_manager;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container) {
    return new static($container
      ->get('plugin.manager.develgenerate'));
  }

  /**
   * {@inheritdoc}
   */
  public function getFormId() {
    return 'devel_generate_form_' . $this
      ->getPluginIdFromRequest();
  }

  /**
   * Returns the value of the param _plugin_id for the current request.
   *
   * @see \Drupal\devel_generate\Routing\DevelGenerateRouteSubscriber
   */
  protected function getPluginIdFromRequest() {
    $request = $this
      ->getRequest();
    return $request
      ->get('_plugin_id');
  }

  /**
   * Returns a DevelGenerate plugin instance for a given plugin id.
   *
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   *
   * @return \Drupal\devel_generate\DevelGenerateBaseInterface
   *   A DevelGenerate plugin instance.
   */
  public function getPluginInstance($plugin_id) {
    $instance = $this->develGenerateManager
      ->createInstance($plugin_id, array());
    return $instance;
  }

  /**
   * {@inheritdoc}
   */
  public function buildForm(array $form, FormStateInterface $form_state) {
    $plugin_id = $this
      ->getPluginIdFromRequest();
    $instance = $this
      ->getPluginInstance($plugin_id);
    $form = $instance
      ->settingsForm($form, $form_state);
    $form['actions'] = [
      '#type' => 'actions',
    ];
    $form['actions']['submit'] = [
      '#type' => 'submit',
      '#value' => $this
        ->t('Generate'),
      '#button_type' => 'primary',
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function validateForm(array &$form, FormStateInterface $form_state) {
    $plugin_id = $this
      ->getPluginIdFromRequest();
    $instance = $this
      ->getPluginInstance($plugin_id);
    $instance
      ->settingsFormValidate($form, $form_state);
  }

  /**
   * {@inheritdoc}
   */
  public function submitForm(array &$form, FormStateInterface $form_state) {
    try {
      $plugin_id = $this
        ->getPluginIdFromRequest();
      $instance = $this
        ->getPluginInstance($plugin_id);
      $instance
        ->generate($form_state
        ->getValues());
    } catch (DevelGenerateException $e) {
      $this
        ->logger('DevelGenerate', $this
        ->t('Failed to generate elements due to "%error".', array(
        '%error' => $e
          ->getMessage(),
      )));
      drupal_set_message($this
        ->t('Failed to generate elements due to "%error".', array(
        '%error' => $e
          ->getMessage(),
      )));
    }
  }

}

Classes

Name	Description
DevelGenerateForm	Defines a form that allows privileged users to generate entities.