ckedit 在源码模式下插入文本

if(CKEDITOR.instances[Itemname].mode==‘wysiwyg‘){
            CKEDITOR.instances[Itemname].insertText(TextToInsert);
         }
         else{
            var input = document.getElementsByClassName(‘cke_source cke_enable_context_menu‘)[0];
            input.focus();
            
            if(typeof input.selectionStart != ‘undefined‘)
            {
               /* Einfügen des Formatierungscodes */
               var start = input.selectionStart;
               var end = input.selectionEnd;
                  
               input.value = input.value.substr(0, start) + TextToInsert + input.value.substr(end);
               /* Anpassen der Cursorposition */
               var pos;
                  
               pos = start+TextToInsert.length;
                       
               input.selectionStart = pos;
               input.selectionEnd = pos;
            }
         }