sharethis-8.x-2.0-beta5/src/Plugin/Block/SharethisWidgetBlock.php

<?php

namespace Drupal\sharethis\Plugin\Block;

use Drupal\Core\Block\BlockBase;
use Drupal\Core\Config\ConfigFactory;
use Drupal\Core\Controller\TitleResolverInterface;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Config\Config;
use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
use Drupal\Core\Url;
use Symfony\Component\DependencyInjection\ContainerInterface;
use Drupal\sharethis\SharethisManagerInterface;
use Symfony\Component\HttpFoundation\RequestStack;
use Drupal\Core\Routing\CurrentRouteMatch;

/**
 * Provides an 'Share this Widget' block.
 *
 * @Block(
 *   id = "sharethis_widget_block",
 *   admin_label = @Translation("Sharethis Widget"),
 *   category = @Translation("Widgets")
 * )
 */
class SharethisWidgetBlock extends BlockBase implements ContainerFactoryPluginInterface {

  /**
   * The config object for 'sharethis.settings'.
   *
   * @var \Drupal\Core\Config\Config
   */
  protected $sharethisSettings;

  /**
   * The Sharethis Manager.
   *
   * @var \Drupal\sharethis\SharethisManager
   */
  protected $sharethisManager;

  /**
   * The Config factory.
   *
   * @var \Drupal\Core\Config\ConfigFactory
   */
  protected $configFactory;

  /**
   * The request stack.
   *
   * @var \Symfony\Component\HttpFoundation\RequestStack
   */
  protected $requestStack;

  /**
   * The current route match.
   *
   * @var \Drupal\Core\Routing\CurrentRouteMatch
   */
  protected $routeMatch;

  /**
   * The title resolver.
   *
   * @var \Drupal\Core\Controller\TitleResolverInterface
   */
  protected $titleResolver;

  /**
   * Constructs an SharethisBlock object.
   *
   * @param array $configuration
   *   A configuration array containing information about the plugin instance.
   * @param string $plugin_id
   *   The plugin_id for the plugin instance.
   * @param mixed $plugin_definition
   *   The plugin implementation definition.
   * @param \Drupal\Core\Config\Config $sharethis_settings
   *   The config object for 'sharethis.settings'.
   * @param \Drupal\sharethis\SharethisManagerInterface $sharethis_manager
   *   The sharethis manager service.
   * @param \Drupal\Core\Config\ConfigFactory $config_factory
   *   The Config factory.
   * @param \Symfony\Component\HttpFoundation\RequestStack $request_stack
   *   The request stack.
   * @param \Drupal\Core\Routing\CurrentRouteMatch $route_match
   *   The current route match.
   * @param \Drupal\Core\Controller\TitleResolverInterface $title_resolver
   *   The title resolver.
   */
  public function __construct(array $configuration, $plugin_id, $plugin_definition, Config $sharethis_settings, SharethisManagerInterface $sharethis_manager, ConfigFactory $config_factory, RequestStack $request_stack, CurrentRouteMatch $route_match, TitleResolverInterface $title_resolver) {
    parent::__construct($configuration, $plugin_id, $plugin_definition);
    $this->sharethisSettings = $sharethis_settings;
    $this->sharethisManager = $sharethis_manager;
    $this->configFactory = $config_factory;
    $this->requestStack = $request_stack;
    $this->routeMatch = $route_match;
    $this->titleResolver = $title_resolver;
  }

  /**
   * {@inheritdoc}
   */
  public static function create(ContainerInterface $container, array $configuration, $plugin_id, $plugin_definition) {
    return new static(
      $configuration,
      $plugin_id,
      $plugin_definition,
      $container->get('config.factory')->get('sharethis.settings'),
      $container->get('sharethis.manager'),
      $container->get('config.factory'),
      $container->get('request_stack'),
      $container->get('current_route_match'),
      $container->get('title_resolver')
    );
  }

  /**
   * {@inheritdoc}
   */
  public function defaultConfiguration() {
    return [
      'sharethis_path' => "global",
      'sharethis_path_external' => '',
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function blockForm($form, FormStateInterface $form_state) {
    $description = $this->t('Variable - Different per URL');
    $description .= '<br />';
    $description .= $this->t('External - Useful in iframes (Facebook Tabs, etc.)');
    $form['sharethis_path'] = [
      '#type' => 'select',
      '#title' => $this->t('Path to share'),
      '#options' => [
        'global' => $this->t('Global'),
        'current' => $this->t('Variable'),
        'external' => $this->t('External URL'),
      ],
      '#description' => $description,
      '#default_value' => $this->configuration['sharethis_path'],
    ];

    $form['sharethis_path_external'] = [
      '#type' => 'url',
      '#title' => $this->t('External URL'),
      '#default_value' => $this->configuration['sharethis_path_external'],
      '#states' => [
        'visible' => [
          ':input[name="settings[sharethis_path]"]' => ['value' => 'external'],
        ],
      ],
    ];
    return $form;
  }

  /**
   * {@inheritdoc}
   */
  public function blockSubmit($form, FormStateInterface $form_state) {
    parent::blockSubmit($form, $form_state);
    $values = $form_state->getValues();
    $this->configuration['sharethis_path'] = $values['sharethis_path'];
    $this->configuration['sharethis_path_external'] = $values['sharethis_path_external'];
  }

  /**
   * {@inheritdoc}
   */
  public function build(): array {
    if ($this->sharethisSettings->get('location') === 'block') {
      $st_js = $this->sharethisManager->sharethisIncludeJs();
      if ($this->configuration['sharethis_path'] == 'external') {
        $mpath = $this->configuration['sharethis_path_external'];
      }
      else {
        $current_path = Url::fromRoute('<current>')->toString();
        $path = ($this->configuration['sharethis_path'] == 'global') ? '<front>' : $current_path;

        global $base_url;
        $path_obj = Url::fromUri($base_url . $path,
          [
            'absolute' => TRUE,
          ]
        );
        $mpath = $path_obj->toString();
      }
      
      $request = $this->requestStack->getCurrentRequest();
      
      $title = $this->configFactory->get('system.site')->get('name');
      $route_object = $this->routeMatch->getRouteObject();
      if (!empty($route_object)) {
        $title = $this->titleResolver->getTitle($request, $route_object);
      }

      $title = is_object($title) ? $title->getUntranslatedString() : $title;
      $mtitle = ($this->configuration['sharethis_path'] == 'current') ? $title : $this->configFactory->get('system.site')
        ->get('name');
      $markup = $this->sharethisManager->widgetContents([
        'm_path' => $mpath,
        'm_title' => $mtitle,
      ]);
      return [
        '#theme' => 'sharethis_block',
        '#content' => $markup,
        '#attached' => [
          'library' => [
            'sharethis/sharethispickerexternalbuttonsws',
            'sharethis/sharethispickerexternalbuttons',
            'sharethis/sharethis',
          ],
          'drupalSettings' => [
            'sharethis' => $st_js,
          ],
        ],
      ];
    }

    return [];
  }

}