Sharing Buttons with Pinterest - ElegantThemes

/*
Plugin Name: SunriseWeb.ca Sharing Buttons
Description: Add Sharing buttons to content area of ElegantThemes.com themes, includes dependency on Get The Image plugin for Pinterest functionality and looks for default image in theme options
Version: 0.01
Author: Brad Trivers
Author URI: http://sunriseweb.ca
*/

/**
 * @author Brad Trivers <[email protected]>
 */

if(!function_exists('sharingButtons_addThis') && !function_exists('getThumbnailSunriseWeb')) {
  add_filter( 'the_content', 'sharingButtons_addThis', 100 );
  // Put AddThis buttons at the bottom of every post page.
  function sharingButtons_addThis( $content ) {
    global $post;
    $thisImage = getThumbnailSunriseWeb( $post->ID );
    $pinterestURL = $thisImage['url'];

    $currentURL = 'http://'.$_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];

    $content .= '   <!-- AddThis Button BEGIN -->';
    $content .= '    <div class="addthis_toolbox addthis_default_style ">';
    $content .= '    <a class="addthis_button_facebook_like" fb:like:layout="button_count"></a>';
    if(!empty($pinterestURL)) {
      $content .= '    <a class="addthis_button_pinterest" pi:pinit:url="'. $currentURL .'" pi:pinit:media="'. $pinterestURL .'" pi:pinit:layout="horizontal"></a>';
    }
    $content .= '    <a class="addthis_button_tweet"></a>';
    $content .= '    <a class="addthis_button_google_plusone" g:plusone:size="medium"></a>';
    $content .= '    <a class="addthis_counter addthis_pill_style"></a> ';
    $content .= '    </div>';
    $content .= '    <script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#pubid=btrivers"></script>';
    $content .= '    <!-- AddThis Button END -->      ';
    // Returns the content.
    return $content;
  }

  //Function to get the post thumbnail
  //relies on Get the image plugin and Default Featured Image theme option
  //returns array of image parameters - always contains URL
  function getThumbnailSunriseWeb( $postID ) {
    global $shortname;
    $defaultImage = get_option($shortname.'_defaultFeaturedImage');
    if($defaultImage == "") {
      $defaultImage = (get_option($shortname.'_logo') <> '') ? get_option($shortname.'_logo') : get_bloginfo('template_directory').'/images/logo.png';
    }
  //   if($format != 'array') {
  //     $format = 'img';
  //   }
    if(trim($postID) != "" && !is_home()) {
      if ( function_exists( 'get_the_image' ) ) {
        $getTheImageOptions = array(
            'meta_key' => array( 'Thumbnail', 'thumbnail' ),
            'post_id' => $postID,
            'attachment' => true,
            'the_post_thumbnail' => true,
            'size' => 'large',
            'default_image' => $defaultImage,
            'order_of_image' => 1,
            'link_to_post' => true,
            'image_class' => false,
            'image_scan' => false,
            'width' => false,
            'height' => false,
            'format' => 'array',
            'meta_key_save' => false,
            'callback' => null,
            'cache' => true,
            'echo' => false
        );
        $thisImage = get_the_image($getTheImageOptions);
  //       $url = $thisImage['url'];
      } else {
        $thisImage['url'] = wp_get_attachment_url( get_post_thumbnail_id($postID) );
        if(!$thisImage['url']) {
          $thisImage['url'] = $defaultImage;
        }
      }
    } else {
      $thisImage['url'] = $defaultImage;
    }
    return $thisImage;
  }
}