{ "width":800, "height":600, "showToolbox":true, "toolbox":[ {"type":"DC"}, {"type":"Toggle"}, {"type":"LED","color":"#ff0000","label":"LED"}, {"type":"AND","label":"AND"}, {"type":"OR","label":"OR"}, {"type":"NOT","label":"NOT"}, {"type":"HalfAdder","label":"半加算器"}, {"type":"FullAdder","label":"全加算機"} ] }