main.dart

void main() {
  Scheme s = Scheme();

  {
    // Jedna skupina dokladu ...
    Group prijemka = Group();
    prijemka.name['cs'] = "Příjemka";
    prijemka.name['en'] = "The Prijemka";
    prijemka.icon = "prijemka.png";

    // Doklad v teto skupine ma nasl. fieldy.
    // cascade operator ".." viz
    // https://news.dartlang.org/2012/02/method-cascades-in-dart-posted-by-gilad.html
    prijemka.fields.add(Field()
      ..id = "name"
      ..type = FieldType.STRING
      ..name['cs'] = "Jméno"
      ..name['en'] = "The jméno"
      ..help['cs'] = "Zadej jmeno"
      ..help['en'] = "Input the name");

    prijemka.fields.add(Field()
      ..id = "created"
      ..type = FieldType.DATETIME
      ..name['cs'] = "Vytvořen"
      ..name['en'] = "Created");

    s.groups.add(prijemka);
  }

  s.groups.add(Group()..name['cs'] = "Babička");
  s.groups.add(Group()..name['cs'] = "Dědeček");

  s.groups.forEach((g) {
    print("Doklad: ${g.name['cs']}");
    g.fields.forEach((f) {
      print("      ⎿ pole: ${f.id}, ${f.name['cs']}, ${f.type.typeId}");
    });
  });
}

class Scheme {
  List<Group> groups = [];
}

class Group {
  Map<String, String> name = {};
  String icon;
  List<Field> fields = [];
}

class FieldType {
  final String typeId;

  static FieldType STRING = FieldType._("string");
  static FieldType INT = FieldType._("int");
  static FieldType DOUBLE = FieldType._("double");
  static FieldType DATE = FieldType._("date");
  static FieldType DATETIME = FieldType._("datetime");
  static FieldType ENUM = FieldType._("enum");

  // privatni konstruktor :-)
  FieldType._(this.typeId);
}

class Field {
  String id;
  Map<String, String> name = {};
  Map<String, String> help = {};
  FieldType type;
}