It is within these hook methods that any required custom coding can be placed. The necessary source code is then generated automatically and conforms to a standard architecture known as the Web Dynpro Framework (WDF). Within the ABAP Workbench, there are special tools that allow you to build and abstract representation of your application in the form of a Web Dynpro metamodel. MVC was invented by Trygve Reenskaug in the late seventies and first implemented in the Smalltalk-80 language. This separation is achieved through a modified implementation of the Model-View-Controller (MVC) design paradigm. Hand-written code still has its place but is confined to that required to manipulate the business data, not the user interface. This relieves you from the repetitive coding tasks involved in writing HTML and then making it interactive with JavaScript.įrom this abstract definition, The development environment generates the required JavaABAP code.
Thats, you specify which interface elements you want to wish to have on the client, and where individuals elements can get their data from.All the code to create the user interface is then generated automatically within a standard runtime framework. Its totally unlike any design paradigm ever utilized by SAP before and signifies a quantum leap in the introduction of web-based, ERP programs. Inbound plug methods are called only when the navigation queue is processed.
