sharethis.module in ShareThis 8.2

A module that adds one of the ShareThis widget to your website.

File

sharethis.module

<?php

/**
 * @file
 * A module that adds one of the ShareThis widget to your website.
 */
use Drupal\Core\Url;
use Drupal\Core\Routing\RouteMatchInterface;
use Drupal\Core\Entity\EntityInterface;
use Drupal\Core\Entity\Display\EntityViewDisplayInterface;

/**
 * Implements hook_help().
 */
function sharethis_help($route_name, RouteMatchInterface $route_match) {
  switch ($route_name) {
    case 'sharethis.configuration_form':
      return '<p>' . t('Choose the widget, button family, and services for using <a href=":sharethis">ShareThis</a> to share content online.', [
        ':sharethis' => 'http://www.sharethis.com',
      ]) . '</p>';
    case 'help.page.sharethis':
      $return_value = '<p>' . t('This plugin places the ShareThis widget on each node.') . '</p>';
      $return_value .= '<ul><li>' . t('The Block pulls the URL from the current page and current Drupal title, the node version pulls it from the node title and url.') . '</li>';
      $return_value .= '<li>' . t('The block can be placed anywhere on a page, the node is limited to where nodes normally go') . '</li>';
      $return_value .= '<li>' . t('The block module is more likely to be compatible with other plugins that use blocks rather than nodes. (Panels works nicely with the block)') . '</li></ul>';
      $return_value .= '<p>' . t('For various configuration options please got to <a href=":sharethis">the settings page</a>.', [
        ':sharethis' => Url::fromRoute('sharethis.configuration_form'),
      ]) . '</p>';
      $return_value .= '<p>' . t('For more information, please visit <a href=":help">support.sharethis.com</a>.', [
        ':help' => 'http://support.sharethis.com/customer/portal/articles/446621-drupal-integration',
      ]) . '</p>';
      return $return_value;
  }
}

/**
 * Implements hook_theme().
 */
function sharethis_theme($existing, $type, $theme, $path) {
  return [
    'sharethis_block' => [
      'variables' => [
        'content' => [
          'st_spans' => NULL,
        ],
      ],
    ],
  ];
}

/**
 * Implements hook_entity_extra_field_info().
 */
function sharethis_entity_extra_field_info() {
  $sharethis_settings = \Drupal::config('sharethis.settings');
  $extra = [];

  // Only add extra fields if the location is the node content.
  if ($sharethis_settings
    ->get('location') == 'content') {
    $entity_info = \Drupal::service('entity_type.bundle.info')
      ->getAllBundleInfo();
    if (isset($entity_info['node'])) {
      foreach ($entity_info['node'] as $bundle => $bundle_info) {
        $extra['node'][$bundle]['display'] = [
          'sharethis' => [
            'label' => t('ShareThis'),
            'description' => t('ShareThis links'),
            'weight' => $sharethis_settings
              ->get('weight'),
          ],
        ];
      }
    }
  }
  return $extra;
}

/**
 * Implements hook_ENTITY_TYPE_view().
 */
function sharethis_node_view(array &$build, EntityInterface $node, EntityViewDisplayInterface $display, $view_mode) {

  // Break if node has not yet been saved.
  if ($node
    ->id() === NULL) {
    return;
  }
  $sharethis_manager = \Drupal::service('sharethis.manager');
  $sharethis_settings = \Drupal::config('sharethis.settings');

  // Don't display if the user is currently searching, or in the RSS feed.
  switch ($view_mode) {
    case 'search_result':
    case 'search_index':
    case 'rss':
      return;
  }

  // First get all of the options for the sharethis widget from the database:
  $data_options = $sharethis_manager
    ->getOptions();

  // Get the full path to insert into the Share Buttons.
  $path = $node
    ->toUrl()
    ->setAbsolute()
    ->toString();
  $title = $node
    ->getTitle();

  // Check where we want to display the ShareThis widget.
  switch ($sharethis_settings
    ->get('location')) {
    case 'content':
      $enabled_types = $data_options['node_types'];
      if (isset($enabled_types[$node
        ->bundle()]) && $enabled_types[$node
        ->bundle()] === $node
        ->bundle() && $display
        ->getcomponent('sharethis')) {
        $st_js = $sharethis_manager
          ->sharethisIncludeJs();
        $content = $sharethis_manager
          ->renderSpans($data_options, $title, $path);
        $build['sharethis'] = [
          '#theme' => 'sharethis_block',
          '#content' => $content,
          '#attached' => [
            'library' => [
              'sharethis/sharethispickerexternalbuttonsws',
              'sharethis/sharethispickerexternalbuttons',
              'sharethis/sharethis',
            ],
            'drupalSettings' => [
              'sharethis' => $st_js,
            ],
          ],
          '#weight' => $sharethis_settings
            ->get('weight'),
        ];
      }
      break;
    case 'links':
      $enabled_view_modes = $sharethis_settings
        ->get('sharethisnodes.' . $node
        ->bundle());
      if (isset($enabled_view_modes[$view_mode]) && $enabled_view_modes[$view_mode]) {
        $st_js = $sharethis_manager
          ->sharethisIncludeJs();
        $content = $sharethis_manager
          ->renderSpans($data_options, $title, $path);
        $links['sharethis'] = [
          'title' => [
            '#theme' => 'sharethis_block',
            '#content' => $content,
            '#attached' => [
              'library' => [
                'sharethis/sharethispickerexternalbuttonsws',
                'sharethis/sharethispickerexternalbuttons',
                'sharethis/sharethis',
              ],
              'drupalSettings' => [
                'sharethis' => $st_js,
              ],
            ],
          ],
          'attributes' => [
            'class' => 'sharethis-buttons',
          ],
        ];
        $build['links'] = [
          '#theme' => 'links',
          '#links' => $links,
          '#attributes' => [
            'class' => [
              'links',
              'inline',
            ],
          ],
          // Wrap it in a div.
          '#tag' => 'div',
          '#type' => 'html_tag',
          '#weight' => $sharethis_settings
            ->get('weight'),
        ];
      }
      break;
  }
}

/**
 * Implements hook_ENTITY_TYPE_view().
 */
function sharethis_comment_view(array &$build, EntityInterface $comment, EntityViewDisplayInterface $display, $view_mode) {
  $sharethis_manager = \Drupal::service('sharethis.manager');
  $sharethis_settings = \Drupal::config('sharethis.settings');
  if ($sharethis_settings
    ->get('comments') == 1) {
    $st_js = $sharethis_manager
      ->sharethisIncludeJs();
    $data_options = $sharethis_manager
      ->getOptions();
    $current_url = Url::fromRoute('<current>');
    $current_url
      ->setOptions([
      'absolute' => TRUE,
      'fragment' => 'comment-' . $comment
        ->id(),
    ]);
    $path = $current_url
      ->toString();
    $request = \Drupal::request();
    $route_match = \Drupal::routeMatch();
    $title = \Drupal::service('title_resolver')
      ->getTitle($request, $route_match
      ->getRouteObject());
    $content = $sharethis_manager
      ->renderSpans($data_options, $title, $path);
    $build['sharethis'] = [
      '#theme' => 'sharethis_block',
      '#content' => $content,
      '#attached' => [
        'library' => [
          'sharethis/sharethispickerexternalbuttonsws',
          'sharethis/sharethispickerexternalbuttons',
          'sharethis/sharethis',
        ],
        'drupalSettings' => [
          'sharethis' => $st_js,
        ],
      ],
      '#attributes' => [
        'class' => 'sharethis-comment',
      ],
      '#weight' => $sharethis_settings
        ->get('location'),
    ];
  }
}

Functions

Name	Description
sharethis_comment_view	Implements hook_ENTITY_TYPE_view().
sharethis_entity_extra_field_info	Implements hook_entity_extra_field_info().
sharethis_help	Implements hook_help().
sharethis_node_view	Implements hook_ENTITY_TYPE_view().
sharethis_theme	Implements hook_theme().