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Web Dynpro for ABAP
Serious developers must stay ahead of the curve by ensuring that they are up-to-date with all of the latest standards. This book illustrates the many benefits that can be realized with component-based UI development using Web Dynpro for ABAP. On the basis of specifically developed sample components, readers are introduced to the architecture of the
runtime and development environment and receive highly-detailed descriptions of the different functions and tools that enable you to efficiently implement Web Dynpro technology on the basis of SAP NetWeaver 2004s. Numerous code listings, screen captures, and little-known tricks make this book your indispensable companion for the practical design of modern user interfaces.
Introduction ... 13
1. On the Development of Web-Based Applications ... 23
... 1.1 Mainframe and Client Server Systems ... 24
... 1.2 Business Server Pages ... 27
... 1.3 Web Dynpro Framework ... 29
... 1.4 Web Dynpro for ABAP for Future Use ... 35
2. WD4A Framework ... 37
... 2.1 Web Dynpro Explorer ... 37
... 2.2 Relationships Between Application and Component ... 51
... 2.3 Visual Parts ... 53
... 2.4 View Controller and View Context ... 61
... 2.5 Controllers and Controller Methods ... 78
... 2.6 Navigation, Inbound Plugs, and Outbound Plugs ... 87
... 2.7 Phase Model ... 91
3. Developing WD4A Applications ... 95
... 3.1 Transferring Parameters from a URI ... 95
... 3.2 Influencing the Request/Response Cycle ... 103
... 3.3 Implementation of Selection Options ... 111
... 3.4 Presentation of Tree Structures ... 125
... 3.5 User Guidance per RoadMap and Messages ... 137
... 3.6 Presenting Tables ... 152
... 3.7 Calling Popup Windows ... 163
... 3.8 Using Input Helps ... 171
... 3.9 Internationalization ... 172
... 3.10 Customization, Configuration, Personalization ... 176
4. Multi-Component Applications ... 185
... 4.1 A Model of Layer Separation ... 185
... 4.2 Defining WD4A Component Usages ... 192
... 4.3 Componentizing an Application ... 200
5. Dynamic Component Applications ... 225
... 5.1 Types of Dynamic Changes ... 225
... 5.2 Dynamic Programming - A Sample Application ... 237
6. Reusing WD4A Components ... 261
... 6.1 Comparing Classes and Components ... 261
... 6.2 ALV Component SALV_WD_TABLE ... 263
... 6.3 OVS Component WDR_OVS ... 270
... 6.4 SO Component WDR_SELECT_OPTIONS ... 275
... 6.5 Developing Input-Help Components ... 282
... 6.6 Enhancements of Components ... 288
7. Integrating WD4A Applications ... 293
... 7.1 Integration into the SAP NetWeaver Portal ... 293
... 7.2 Graphical Display of Data ... 297
... 7.3 Interactive Forms Via Adobe Integration ... 308
A. Classes and Interfaces ... 317
... A.1 Component ... 317
... A.2 Context ... 326
... A.3 View ... 335
... A.4 Window ... 339
... A.5 Integration ... 341
... A.6 Application ... 342
... A.7 Other ... 343
B. Bibliography ... 353
C. The Author ... 354
Index ... 355
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