* [task#127421] add quoted lable of thinkstepmenu.

lib/zin/wg/thinkstepmenu/v1.php

@@ -48,12 +48,24 @@ class thinkStepMenu extends wg
         foreach($items as $setting)
         {
             if(!is_object($setting)) continue;
+            $options     = !empty($setting->options) ? json_decode($setting->options) : array();
+            $quotedTitle = !empty($options->quoteTitle) ? $options->quoteTitle : null;
+            $quotedText  = '';
+            /* 给引用其他问题的多选题添加标签。Add tags to multiple-choice questions that reference other questions. */
+            if($quotedTitle)
+            {
+                foreach($items as $item)
+                {
+                    if($quotedTitle == $item->id) $quotedText = sprintf($this->lang->thinkstep->treeLabel, $item->index);
+                }
+            }
 
             $canView     = common::hasPriv('thinkstep', 'view');
             $unClickable = $toggleNonNodeShow && $setting->id != $activeKey && $setting->type != 'node' && json_decode($setting->answer) == null;
             $item        = array(
                 'key'         => $setting->id,
                 'text'        => (isset($setting->index) ? ($setting->index . '. ') : '') . $setting->title,
+                'subtitle'    => !empty($quotedText) ? array('html' => "<span class='label size-sm rounded-full warning-pale'>$quotedText</span>") : null,
                 'hint'        => $unClickable ? $this->lang->thinkrun->error->unanswered :$setting->title,
                 'url'         => $unClickable || !$canView ? '' : $setting->url,
                 'data-id'     => $setting->id,