![Implementing an abstract method
class User implements Validatable {
String _username;
String _password;
User(String this._username, String this._password);
List<Object> valuesToValidate() {
return [_username, _password];
}
}](https://image.slidesharecdn.com/single-pageweb-appindart-final-130331124337-phpapp02/85/Building-Single-Page-Web-Appplications-in-dart-Devoxx-France-2013-32-320.jpg)
Ad
More Related Content
Similar to Building Single-Page Web Appplications in dart - Devoxx France 2013 (20)
More from yohanbeschi (9)
Ad
Recently uploaded (20)
Ad
Building Single-Page Web Appplications in dart - Devoxx France 2013
- 1. Building a Single-Page Web Application in Dart 18h20 - 18h50 - Miles Davis B
- 2. Building a Single-Page Web Application in Dart Yohan Beschi So@t – Java Developer @yohanbeschi 27 au 29 mars 2013
- 3. Yohan Beschi • Started programming at 15 – 100% self-taught • Languages (Assembly, C/C++, Java, Python) • Blogger, Speaker, Instructor • Started Dart 6 months ago
- 4. Building Uis - Javascript ?
- 5. Building Uis - Java ?
- 6. Building Uis - But how ?
- 7. Programmatic Components with GWT
- 8. Java + GWT = Too verbose! lin es n 1 00 e t ha M or
- 9. The Dart Way Table<User> table = new Table (sorting:true) ..addColumn('ID', new TextCell((User o) => o.id)) ..addColumn('First name', new TextCell((User o) => o.firstName)) ..addColumn('Last name', new TextCell((User o) => o.lastName)) ..addColumn('Age', new TextCell((User o) => o.age)) ..setData(objs);
- 10. The Dart Way Table<User> table = new Table (sorting:true) ..addColumn('ID', new TextCell((User o) => o.id)) ..addColumn('First name', new TextCell((User o) => o.firstName)) ..addColumn('Last name', new TextCell((User o) => o.lastName)) ..addColumn('Age', new TextCell((User o) => o.age)) ..setData(objs); 6lignes
- 11. Dart is the winner
- 12. Once upon a time…
- 17. And here we are! • Open Source (BSD) • Structured • Anti-revolutionary • Same goals as new Javascript frameworks • The goal is to not break the web
- 18. Dart - The language
- 19. Abstract Class abstract class Validatable { }
- 20. Abstract Method abstract class Validatable { List<Object> valuesToValidate(); }
- 21. Generics abstract class Validator<T extends Validatable> { }
- 22. Implementing a method – 1/4 abstract class Validator<T extends Validatable> { bool validate(T object) { } }
- 23. Implementing a method - for in – 2/4 abstract class Validator<T extends Validatable> { bool validate(T object) { for (Object obj in object.valuesToValidate()) { } } }
- 24. Implementing a method – 3/4 abstract class Validator<T extends Validatable> { bool validate(T object) { for (Object obj in object.valuesToValidate()) { if (StringUtils.isEmpty(obj.toString())) { } } } }
- 25. Implementing a method – 4/4 abstract class Validator<T extends Validatable> { bool validate(T object) { for (Object obj in object.valuesToValidate()) { if (StringUtils.isEmpty(obj.toString())) { return false; } } return true; } }
- 26. Concrete class class User { }
- 27. Class as Interface class User implements Validatable { }
- 28. Class members class User implements Validatable { String username; String password; }
- 29. Private Class members class User implements Validatable { String _username; String _password; }
- 30. Accessors class User implements Validatable { String _username; String _password; String get username => this._username; String get password => this._password; set username(String username) => this._username = username; set password => this._password = password; }
- 31. Constructor – Sugar Syntax class User implements Validatable { String _username; String _password; User(String this._username, String this._password); }
- 32. Implementing an abstract method class User implements Validatable { String _username; String _password; User(String this._username, String this._password); List<Object> valuesToValidate() { return [_username, _password]; } }
- 33. Dart Reference API • Core • Unit Testing & Mocks • HTML • Math • Async • Logging • IO • URI • Crypto • I18N • etc. • JSON • Mirrors • UTF
- 34. But there is more… • Mixins • Optionally typed • Top level functions • Mono process
- 35. Isolates
- 36. Dart Ecosystem
- 37. Virtual Machines
- 38. Dartium
- 39. DartEditor
- 40. Plugins
- 41. dart2js
- 42. dart2js
- 43. dart2js • Target HTML5 • Tree Shaking • Aggregation/Minification • Optimization
- 44. Pub
- 45. Pub - pubspec.yaml name: pacifista_rocks description: The best application in the whole world version: 0.0.1 dependencies: great_lib: any
- 46. dartdoc /// This is a single-line documentation comment. /** * This is a multi-line documentation comment. * To generate the documentation: * $ dartdoc <filename> */ void main() { }
- 47. dartdoc
- 48. Uses • Single-page Web Apps • Client and server side applications • HTML Games
- 49. Démonstration https://github.com/yohanbeschi/devoxxfr_20130327.dart https://github.com/yohanbeschi/pwt_proto.dart 27 au 29 mars 2013
- 50. Roadmap Today: M3 ??: M4 Summer 2013 : V1 !
- 51. Want to know more ? • DartLangFR • Mailing-list : dartlangfr (https://groups.google.com/forum/?fromgroups=&hl=en#!forum/dartlangfr) • Google+ : DartlangFR (https://plus.google.com/u/0/communities/104813951711720144450) • Twitter : @dartlang_fr • Blog : dartlangfr.net • DartLang • Site officiel : www.dartlang.org • Mailing-list : dartlang (https://groups.google.com/a/dartlang.org/forum/?fromgroups&hl=en#!forum/misc) • Google+ : Dart (https://plus.google.com/+dartlang) • Google+ : Dartisans (https://plus.google.com/communities/114566943291919232850) • Twitter : @dart_lang • Blog : blog.dartwatch.com • Newsletter : Dart weekly
- 52. Thanks Questions ?