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Original MVC design for decoupling presentation and application logic

Request

Response

Model View Controller (MVC)

Controller

Model

View

User Interaction Layer

Business Interaction Layer

Binding Layer

Visualizes the application

data without caring how itwas generated.

Generates the application

data without caring how it

will be displayed.

Binds the user and business

interaction layers together. All

intermediate processing is

performed here.

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We !ynpro Co"ponent#rc$itecture

Business Logic

(Models)

Component

Controller

odel 1

odel 2

Contains Usage

declarations

!sag

e

declarations

W e ! y n p r o C o " p o n e n t

Co"ponents

Custom

Controller

Component "nterface

"nterface

Controller"nterface #iew

$indow

$indow

Controller

View

%ayout

View

Controller

M

M

M

M

M

"nterface #iew

%#& We !ynpro uses principles of MVC paradig"

Controller $andle

t$e user input and

steers t$e

application

Views define t$e

layout

Model $olds and

pro'ide t$e

usiness logic

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!ifferent types of controller

'hree types of controller

Custom / Component controller

(ach $eb )ynpro component has at least one global controller *

the component controller +default, Custom controllers are a -ind of additional global controllers to

capsulate sub function from the component controller * typically to

structure bigger components 'hey do not ha#e a #isual interface

View controller

(ach #iew has eactly one #iew controller/ which processes the

actions performed by the user in the #iew

Window controller (ach window has eactly one window controller. "t beha#es li-e a

#iew controller +plugs, and is usable from other controllers +li-e a

custom 0 component controller,

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Page

Co""on eatures for allControllers

Controller

I"ple"entation

%tandard

oo*

Met$ods

init

Instance

Met$ods

Call_BAPI

Conte+t

oot 3ode

RequiredControllers

Controller

Interface

Ot$er W!

Controllers

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Logic

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Created by eplicit declaration or coding Created by the $eb )ynpro 4ramewor- +$)4,

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Usage Ot$er W!

Co"ponents

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Page 5

W$ere are t$e Co"ponent ,Custo" Controller-

Business Logic

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Controller

odel 1

odel 2

Contains

.+ternally

Visile

Internally

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ethods

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Component 0 Custom Controllers *(#ent 7andlers

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7/21/2019 02 Controllers

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$here are the View Controllers9

Business Logic

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Controller

odel 1

odel 2

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View ControllerView

View Controllers * Action 7andlers

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View Controllers * 3a#igation Plugs

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