socbutt.module in Bootstrap Social Sharing Buttons 7

File

socbutt.module

<?php

// Module constants.
define('SOCBUTT_LAYOUT_VERTICAL', 0);
define('SOCBUTT_LAYOUT_HORIZONTAL', 1);

/**
 * Implements hook_token_info().
 */
function socbutt_token_info() {
  $info = array();
  $info['types']['socbutt'] = array(
    'name' => t('Socbutt tokens'),
    'description' => t("Socbutt tokens."),
  );
  $info['tokens']['socbutt']['vertical'] = array(
    'name' => t("Social button bar, vertical"),
    'description' => t("Social button bar, vertical layout."),
  );
  $info['tokens']['socbutt']['horizontal'] = array(
    'name' => t("Social button bar, horizontal"),
    'description' => t("Social button bar, horizontal layout."),
  );
  return $info;
}

/**
 * Implements hook_tokens().
 */
function socbutt_tokens($type, $tokens, $data = array(), $options = array()) {
  $replacements = array();
  if ($type == 'socbutt') {
    foreach ($tokens as $name => $original) {
      switch ($name) {
        case 'vertical':
          $replacements[$original] = theme('socbutt_buttons', array(
            'layout' => SOCBUTT_LAYOUT_VERTICAL,
          ));
          break;
        case 'horizontal':
          $replacements[$original] = theme('socbutt_buttons', array(
            'layout' => SOCBUTT_LAYOUT_HORIZONTAL,
          ));
          break;
      }
    }
  }
  return $replacements;
}

/**
 * Implements hook_block_info().
 */
function socbutt_block_info() {
  $blocks = array();
  $blocks['vertical'] = array(
    'info' => t('Social buttons: vertical layout'),
    'cache' => DRUPAL_CACHE_PER_PAGE,
  );
  $blocks['horizontal'] = array(
    'info' => t('Social buttons: horizontal layout'),
    'cache' => DRUPAL_CACHE_PER_PAGE,
  );
  return $blocks;
}

/**
 * Implements hook_block_view().
 */
function socbutt_block_view($delta = '') {
  $block = array();
  switch ($delta) {
    case 'vertical':
      $block['subject'] = NULL;
      $block['content'] = theme('socbutt_buttons', array(
        'layout' => SOCBUTT_LAYOUT_VERTICAL,
      ));
      break;
    case 'horizontal':
      $block['subject'] = NULL;
      $block['content'] = theme('socbutt_buttons', array(
        'layout' => SOCBUTT_LAYOUT_HORIZONTAL,
      ));
      break;
  }
  return $block;
}

/**
 * Implements hook_theme().
 */
function socbutt_theme() {
  return array(
    'socbutt_buttons' => array(
      'variables' => array(
        'layout' => SOCBUTT_LAYOUT_VERTICAL,
        'title' => NULL,
        'body' => NULL,
        'url' => NULL,
      ),
    ),
  );
}

/**
 * Theme function to render social buttons.
 */
function theme_socbutt_buttons($variables) {
  global $base_url;

  // Let other modules alter the buttons if needed.
  drupal_alter('socbutt_buttons_data', $variables);
  $path = drupal_get_path('module', 'socbutt');
  $horizontal = $variables['layout'] == SOCBUTT_LAYOUT_HORIZONTAL;
  $tag = $horizontal ? 'span' : 'div';
  $horizontal_class = $horizontal ? ' inline' : '';
  $current_url = $base_url . '/' . request_path();

  // Preparing default sharing data.
  $share_data = array(
    'title' => !is_null($variables['title']) ? $variables['title'] : drupal_get_title(),
    'body' => !is_null($variables['body']) ? $variables['body'] : '',
    'url' => !is_null($variables['url']) ? $variables['url'] : $current_url,
  );

  // URL encode so the strings can be used inside URLs;
  foreach ($share_data as $key => $data) {
    $share_data[$key] = rawurlencode($data);
  }
  $title = $share_data['title'];
  $body = $share_data['body'];
  $url = $share_data['url'];
  $btn_classes = array(
    'btn',
    'btn-info',
    'btn-xs',
  );
  if (!$horizontal) {
    $btn_classes[] = 'btn-block';
  }

  // Prepare render array.
  $render_array = array(
    '#prefix' => '<div class="social-share-links' . $horizontal_class . '">',
    '#suffix' => '</div>',
    '#attached' => array(
      'css' => array(
        $path . '/css/socbutt.min.css',
      ),
    ),
  );

  // Link for email.
  $link = "mailto:?subject={$title}&body={$body}";
  $text = '<span class="fa fa-fw fa-2x fa-envelope"></span> ' . t('Email');
  $render_array['email'] = array(
    '#prefix' => '<' . $tag . ' class="share-link share-email">',
    '#suffix' => "</{$tag}>",
    '#markup' => l($text, $link, array(
      'html' => TRUE,
      'attributes' => array(
        'class' => $btn_classes,
      ),
    )),
  );

  // Facebook share.
  $link = "https://www.facebook.com/sharer/sharer.php?u={$url}";
  $text = '<span class="fa fa-fw fa-2x fa-facebook"></span> ' . t('Facebook');
  $render_array['facebook'] = array(
    '#prefix' => '<' . $tag . ' class="share-link share-facebook">',
    '#suffix' => "</{$tag}>",
    '#markup' => l($text, $link, array(
      'html' => TRUE,
      'attributes' => array(
        'target' => '_blank',
        'class' => $btn_classes,
      ),
    )),
  );

  // Twitter share.
  $twitter_msg = $title . ' -';

  // Twitter adds the $url after this automatically.
  $link = "https://twitter.com/intent/tweet?text={$twitter_msg}&url={$url}";
  $text = '<span class="fa fa-fw fa-2x fa-twitter"></span> ' . t('Twitter');
  $render_array['twitter'] = array(
    '#prefix' => '<' . $tag . ' class="share-link share-twitter">',
    '#suffix' => "</{$tag}>",
    '#markup' => l($text, $link, array(
      'html' => TRUE,
      'attributes' => array(
        'target' => '_blank',
        'class' => $btn_classes,
      ),
    )),
  );

  // LinkedIn share.
  $link = "https://www.linkedin.com/shareArticle?mini=true&url={$url}&title={$title}&summary={$body}&source={$url}";
  $text = '<span class="fa fa-fw fa-2x fa-linkedin"></span> ' . t('LinkedIn');
  $render_array['linkedin'] = array(
    '#prefix' => '<' . $tag . ' class="share-link share-linkedin">',
    '#suffix' => "</{$tag}>",
    '#markup' => l($text, $link, array(
      'html' => TRUE,
      'attributes' => array(
        'target' => '_blank',
        'class' => $btn_classes,
      ),
    )),
  );

  // Let other modules alter the buttons if needed.
  drupal_alter('socbutt_buttons', $render_array, $variables);

  // Render.
  return drupal_render($render_array);
}

Functions

Name	Description
socbutt_block_info	Implements hook_block_info().
socbutt_block_view	Implements hook_block_view().
socbutt_theme	Implements hook_theme().
socbutt_tokens	Implements hook_tokens().
socbutt_token_info	Implements hook_token_info().
theme_socbutt_buttons	Theme function to render social buttons.

Constants

Name	Description
SOCBUTT_LAYOUT_HORIZONTAL
SOCBUTT_LAYOUT_VERTICAL