Tag de création de menu déroulant

template<class T>
class selectTag {
  Map<T,String> option;
  T currentKey;

  String name;
  ptr<Map<T,String> > options;
  String defaultTo;
  String id;
  public:

  class Setter {
          selectTag& dd;
          public:
          Setter(selectTag& d) : dd(d) {}
          selectTag& operator[](const T& key) {
                  dd.setCurrentKey(key);
                  return dd;
          }
  };
  Setter set;
  void setCurrentKey(const T& key) {
          currentKey=key;
  }
  void operator()(const String& value) {
          option[currentKey]=value;
  }
  
  selectTag() :  name(""), options(), defaultTo(""), id(""), set(*this) {}
  void setId(const String& str) { id=str; }
  void setName(const String& str) { name=str; }
  void setOptions(ptr<Map<T,String> > opts) { options=opts; }
  void setDefaultTo(const T& str) { defaultTo=str; }
  void doStart(HttpServletRequest& request, HttpServletResponse& response) {

        bool selected_passed = false;

        response << "<select name=\""<< name.escapeAttribute() <<"\">\n";
        if ( ! id.empty() )
                response <<"id =\""<<id.escapeAttribute()<<"\"\n";

        for ( typename Map<T,String>::const_iterator it=option.begin();
              it != option.end();
              it++ ) {
                if ( !defaultTo.empty() && it->first == defaultTo ) {
                        if ( selected_passed ) continue;
                        response << "  <option value=\""<<it->first.escapeAttribute()<<"\" selected=\"selected\">"<<it->second.escapeHTML()<<"</option>\n";
                        selected_passed=true;
                }
                else {
                      response << "  <option value=\""<<it->first.escapeAttribute()<<"\">"<<it->second.escapeHTML()<<"</option>\n";
                }                      
        }
        if ( options )
        for ( typename Map<T,String>::const_iterator it=options->begin();
              it != options->end();
              it++ ) {
                if ( !defaultTo.empty() && it->first == defaultTo ) {
                        if ( selected_passed ) continue;
                        response << "  <option value=\""<<it->first.escapeAttribute()<<"\" selected=\"selected\">"<<it->second.escapeHTML()<<"</option>\n";
                        selected_passed=true;
                }
                else {
                      response << "  <option value=\""<<it->first.escapeAttribute()<<"\">"<<it->second.escapeHTML()<<"</option>\n";
                }                      
        }

        response << "</select>\n";
  }
};