Windows have inbound and outbound plugs and a window controller which is global and visible to all controllers within a component. For a view to be displayed in the browser at runtime, it has to be embedded in the window. 3) WindowĪ window contains one or more views. adding Employee details on a click of a button. View controller performs event handling (described in event handler methods) based on actions triggered in a view. a text field for entering Employee Name 2) ControllerĮvery view has a dedicated view controller and every component has a component controller. 1) ViewĪ view is a visible screen area and contains screen elements. We will consider a basic application for Employee details for explanation purpose.
without indirection via a controller, which is not true for Web Dynpro. In classic MVC, a view gets updates directly from the model, i.e.View – defines frontend (screen elements).Model – interacts with the backend system.It offers separation of layouts and logic and is based on Model-View-Controller (MVC) paradigm.WD is a client-independent programming model. Other definition for Web DynPro defines it as SAP Netweaver programming model for UI. Web DynPro (WD) is the standard SAP standard UI (User Interfaces) technology to develop web applications. Fields attributes: Definition of the attributes of the individual fields on a screen.Screen Attributes: Number of the screen, number of the subsequent screen, and others.Screen layout: Positions of the text, fields, pushbuttons and so on for a screen.Flow Logic: calls of the ABAP/4 modules for a screen.The different components of the dynpro are : The ABAP environment becomes more reliable with the integration of these applications of SAP.Ī dynpro (Dynamic Program) consists of a screen and its flow logic and controls exactly one dialog steps.It performs the functions of data binding and automatic input checking of data.The layout and functionality of diverse navigation tools are easy to customize with Web Dynpro tools.The components of WebDynpro can be re-used and are easy to maintain in business processes.It supports a structured design structure with a clear demarcation between layout and business data.Its graphical and analytical tools have reduced the manual effort of implementing various tasks.Web Dynpro boasts of a high demand in the SAP industry because of the following features: It is comprised of an environment consisting of graphical development and special tools of SAP Web Dynpro, which are properly integrated to form comprehensive SAP ABAP environment applications. A great modeling environment used for developing user interface web applications in a shorter time and with lesser efforts, this SAP module comes with an extensive dynamic design tool based on various frameworks. SAP Web Dynpro leverages the features and functionalities of SAP technology for developing applications in ABAP.
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