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Wednesday, November 2, 11
MVC, Part 1
                                   Ed Spencer



                            @edspencer - edspencer.net




Wednesday, November 2, 11
What?




Wednesday, November 2, 11
I will make an
                                  awesome app
                                        now




                            Teamwork

Wednesday, November 2, 11
I will help you




                                         Teamwork

Wednesday, November 2, 11
Your app is now big and
                              needs a professional
                                   consultant




                            Teamwork

Wednesday, November 2, 11
Teamwork

Wednesday, November 2, 11
Fail
Wednesday, November 2, 11
Teamwork
       Apps often need teams

       Different people work different ways

       We need standards




Wednesday, November 2, 11
But Also
       Code needs to be organized

       Best practices followed

       Spaghetti Avoided




Wednesday, November 2, 11
This has been solved before

                            Smalltalk 80 introduces MVC:

                                      Model
                                       View
                                     Controller




Wednesday, November 2, 11
Model
                            Loads and manages the application data.

                            Usually in response to requests from the
                                              View




Wednesday, November 2, 11
View
                            Manages the display of information and
                                         UI controls




Wednesday, November 2, 11
Controller
                            Listens for inputs from the user, updates
                                         Model and View




Wednesday, November 2, 11
Model




Wednesday, November 2, 11
View




Wednesday, November 2, 11
Controller




Wednesday, November 2, 11
We already had this

                               It was just all over the place




Wednesday, November 2, 11
Definitely Fail
Wednesday, November 2, 11
Solution: Use Standards




Wednesday, November 2, 11
Standards

                            Common Usage Patterns

                            Common File Structure

                              Common Toolchain




Wednesday, November 2, 11
Model




Wednesday, November 2, 11
View




Wednesday, November 2, 11
Controller




Wednesday, November 2, 11
File Structure




Wednesday, November 2, 11
File Structure




Wednesday, November 2, 11
Common Toolchain

Wednesday, November 2, 11
Easy by hand too




Wednesday, November 2, 11
Live Code*




                                         * Might end in disaster

Wednesday, November 2, 11
Questions?




Wednesday, November 2, 11

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MVC In Depth, part 1