/**
  * render the ads list
  *
  * @param $obj $group group object
  */
 public function render_ads_list(Advanced_Ads_Group $group)
 {
     $ads = $this->get_ads($group);
     $weights = $group->get_ad_weights();
     $weight_sum = array_sum($weights);
     $ads_output = $weights;
     arsort($ads_output);
     // The Loop
     if ($ads->have_posts()) {
         echo $group->type == 'default' && $weight_sum ? '<ul>' : '<ol>';
         while ($ads->have_posts()) {
             $ads->the_post();
             $line_output = '<li><a href="' . get_edit_post_link(get_the_ID()) . '">' . get_the_title() . '</a>';
             $status = get_post_status();
             switch ($status) {
                 case 'future':
                     $line_output .= '<i>(' . __('scheduled', ADVADS_SLUG) . ')</i>';
                     break;
                 case 'pending':
                     $line_output .= '<i>(' . __('pending', ADVADS_SLUG) . ')</i>';
                     break;
             }
             // check expiry date
             $ad = new Advanced_Ads_Ad(get_the_ID());
             if (!$ad->can_display_by_expiry_date()) {
                 $line_output .= '<i>(' . __('expired', ADVADS_SLUG) . ')</i>';
             }
             $_weight = isset($weights[get_the_ID()]) ? $weights[get_the_ID()] : Advanced_Ads_Group::MAX_AD_GROUP_WEIGHT;
             if ($group->type == 'default' && $weight_sum) {
                 $line_output .= '<span class="ad-weight" title="' . __('Ad weight', ADVADS_SLUG) . '">' . number_format($_weight / $weight_sum * 100) . '%</span></li>';
             }
             $ads_output[get_the_ID()] = $line_output;
         }
         $ads_output = $this->remove_empty_weights($ads_output);
         echo implode('', $ads_output);
         echo $group->type == 'default' && $weight_sum ? '</ul>' : '</ol>';
         if ($group->ad_count === 'all') {
             echo '<p>' . __('all published ads are displayed', ADVADS_SLUG) . '</p>';
         } elseif ($group->ad_count > 1) {
             echo '<p>' . sprintf(__('up to %d ads displayed', ADVADS_SLUG), $group->ad_count) . '</p>';
         }
     } else {
         _e('No ads assigned', ADVADS_SLUG);
     }
     // Restore original Post Data
     wp_reset_postdata();
 }