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<?php |
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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly |
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|
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class WatuSharing { |
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static function options() { |
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global $wpdb; |
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if(!empty($_POST['ok']) and check_admin_referer('watu_social_sharing')) { |
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$fb_app_id = sanitize_text_field($_POST['facebook_appid']); |
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$linkedin_enabled = empty($_POST['linkedin_enabled']) ? 0 : 1; |
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$linkedin_title = sanitize_text_field($_POST['linkedin_title']); |
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$use_twitter = empty($_POST['use_twitter']) ? 0 : 1; |
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$show_count = empty($_POST['show_count']) ? 0 : 1; |
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$via = sanitize_text_field($_POST['via']); |
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$hashtag = sanitize_text_field($_POST['hashtag']); |
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|
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update_option('watuproshare_facebook_appid', $fb_app_id, false); |
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$linkedin_options = array("enabled" => $linkedin_enabled, "msg"=>wp_kses_post($_POST['linkedin_msg']), |
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'title' => $linkedin_title, "facebook_button" => esc_url_raw($_POST['facebook_button']), ); |
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update_option('watuproshare_linkedin', $linkedin_options, false); |
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$twitter_options = array("use_twitter" => $use_twitter, "show_count" => $show_count, |
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"via" => $_POST['via'], "hashtag" => $hashtag, 'large_button' => '', |
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"tweet" => wp_kses_post($_POST['tweet']), "twitter_button" => esc_url_raw($_POST['twitter_button'])); |
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update_option('watuproshare_twitter', $twitter_options, false); |
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} |
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|
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$appid = get_option('watuproshare_facebook_appid'); |
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$linkedin_options = get_option('watuproshare_linkedin'); |
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$twitter_options = get_option('watuproshare_twitter'); |
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if(@file_exists(get_stylesheet_directory().'/watu/sharing-options.html.php')) include get_stylesheet_directory().'/watu/sharing-options.html.php'; |
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else include(WATU_PATH . '/views/sharing-options.html.php'); |
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} |
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|
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// display the social sharing buttons |
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static function display() { |
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global $wpdb; |
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$taking_id = intval($GLOBALS['watu_taking_id']); |
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ob_start(); |
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// https://developers.facebook.com/docs/sharing/reference/feed-dialog |
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$appid = get_option('watuproshare_facebook_appid'); |
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|
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// get the grade title and description |
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$grade_id = $wpdb->get_var($wpdb->prepare("SELECT grade_id FROM ".WATU_TAKINGS." WHERE ID=%d", $taking_id)); |
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if(empty($grade_id)) $grade = (object)array("gtitle"=>'None', 'gdescription'=>'None'); |
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else $grade = $wpdb->get_row($wpdb->prepare("SELECT * FROM ".WATU_GRADES." WHERE ID=%d", $grade_id)); |
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|
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// select quiz name |
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$quiz_name = $wpdb->get_var($wpdb->prepare("SELECT tE.name FROM ".WATU_EXAMS." tE |
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JOIN ".WATU_TAKINGS." tT ON tE.ID = tT.exam_id |
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WHERE tT.ID = %d", $taking_id)); |
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|
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// keep linkedin vars always because they are also used in Facebook |
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$linkedin = get_option('watuproshare_linkedin'); |
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$linkedin_msg = stripslashes($linkedin['msg']); |
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$linkedin_title = stripslashes($linkedin['title']); |
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|
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// title and description set up? |
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if(!empty($linkedin_title)) { |
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$linkedin_title = str_replace('{{{grade-title}}}', stripslashes($grade->gtitle), $linkedin_title); |
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$linkedin_title = str_replace('{{{quiz-name}}}', stripslashes($quiz_name), $linkedin_title); |
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} |
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if(!empty($linkedin_msg)) { |
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$linkedin_msg = str_replace('{{{grade-title}}}', stripslashes($grade->gtitle), $linkedin_msg); |
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$linkedin_msg = str_replace('{{{grade-description}}}', stripslashes($grade->gdescription), $linkedin_msg); |
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$linkedin_msg = str_replace('{{{quiz-name}}}', stripslashes($quiz_name), $linkedin_msg); |
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$linkedin_msg = str_replace('{{{url}}}', get_permalink($_POST['post_id']), $linkedin_msg); |
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} |
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|
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// if not, default to grade title and desc |
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if(empty($linkedin_title)) $linkedin_title = $grade->gtitle; |
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if(empty($linkedin_msg)) $linkedin_msg = $grade->gdescription; |
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|
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$linkedin_title = stripslashes($linkedin_title); |
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$linkedin_title = str_replace('"', '"', $linkedin_title); |
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$linkedin_title = str_replace("'", '’', $linkedin_title); |
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$linkedin_msg = stripslashes($linkedin_msg); |
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$linkedin_msg = str_replace('"', '"', $linkedin_msg); |
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$linkedin_msg = str_replace("'", '’', $linkedin_msg); |
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|
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// any picture? |
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$picture_str = ''; |
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if(strstr($grade->gdescription, '<img')) { |
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// find all pictures in the grade descrption |
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$html = stripslashes($grade->gdescription); |
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$dom = new DOMDocument; |
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$dom->loadHTML($html); |
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$images = array(); |
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foreach ($dom->getElementsByTagName('img') as $image) { |
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$src = $image->getAttribute('src'); |
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$class = $image->getAttribute('class'); |
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$images[] = array('src'=>$src, 'class'=>$class); |
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} // end foreach DOM element |
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|
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if(sizeof($images)) { |
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$target_image = $images[0]['src']; |
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|
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// but check if we have any that are marked with the class |
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foreach($images as $image) { |
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if(strstr($image['class'], 'watu-share')) { |
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$target_image = $image['src']; |
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break; |
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} |
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} |
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|
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$picture_str = "&picture=".urlencode($target_image); |
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} |
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} // end searching for image |
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|
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$twitter_options = get_option('watuproshare_twitter'); |
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|
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// prepare tweet text |
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if(!empty($twitter_options['use_twitter'])) { |
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$tweet = stripslashes($twitter_options['tweet']); |
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|
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if(empty($tweet)) { |
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$tweet = stripslashes($grade->gdescription); |
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if(empty($tweet)) $tweet = stripslashes($grade->gtitle); |
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} |
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else { |
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$tweet = str_replace('{{{grade-title}}}', stripslashes($grade->gtitle), $tweet); |
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$tweet = str_replace('{{{grade-description}}}', stripslashes($grade->gdescription), $tweet); |
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$tweet = str_replace('{{{quiz-name}}}', stripslashes($quiz_name), $tweet); |
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} |
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|
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$tweet = substr($tweet, 0, 140); |
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} |
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|
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// buttons |
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$facebook_button = empty($linkedin['facebook_button']) ? WATU_URL.'/img/share/facebook.png' : $linkedin['facebook_button']; |
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$twitter_button = empty($twitter_options['twitter_button']) ? 'Tweet' : '<img src="'.$twitter_options['twitter_button'].'" alt="Twitter share button">'; |
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|
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$facebook_button = apply_filters('watu_facebook_button', $facebook_button); |
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$twitter_button = apply_filters('watu_twitter_button', $twitter_button); |
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?> |
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<div><?php if(!empty($appid) ):?> |
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<a href="#" title="<?php _e('Share your results on Facebook', 'watu');?>" onclick="Watu.FBShare('<?php echo get_permalink($_POST['post_id'])?>',encodeURIComponent('<?php echo addslashes($linkedin_title)?>'), encodeURIComponent('<?php echo strip_tags(str_replace(array("\r", "\n"), " ", $linkedin_msg));?>'), '<?php echo $picture_str?>');return false;"><img src="<?php echo $facebook_button;?>"></a> |
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<?php endif; // end if Facebook |
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|
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if(!empty($twitter_options['use_twitter'])): |
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if(empty($twitter_options['twitter_button'])):?> |
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<a href="https://twitter.com/share" class="twitter-share-button watu-twitter-share-button" data-url="<?php echo get_permalink($_POST['post_id'])?>" data-via="<?php echo $twitter_options['via']?>" data-hashtags="<?php echo $twitter_options['hashtag']?>" data-text="<?php echo htmlentities($tweet)?>" <?php if(empty($twitter_options['show_count'])):?>data-count="none"<?php endif;?>><?php echo $twitter_button?></a> |
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<script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0],p=/^http:/.test(d.location)?'http':'https';if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src=p+'://platform.twitter.com/widgets.js';fjs.parentNode.insertBefore(js,fjs);}}(document, 'script', 'twitter-wjs');</script> |
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<?php else:?> |
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<a href="http://twitter.com/share?url=<?php echo get_permalink($_POST['post_id'])?>;text=<?php echo urlencode($tweet)?>;size=l&count=none&hashtags=<?php echo $twitter_options['hashtag']?>&via=<?php echo $twitter_options['via']?>&url=<?php echo get_permalink($_POST['post_id'])?>" target="_blank"> |
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<?php echo $twitter_button?> |
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</a> |
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<?php endif; |
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endif;?></div> |
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<?php |
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$content = ob_get_clean(); |
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return $content; |
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} |
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} |
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