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ALV integration in Web Dynpro

ALV Configuration Model

Contents:

ALV for Web Dynpro

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ALV in NetWeaver 2004s

ALV in Web Dynpro Provide a more advanced

display component compared to Table UI element

Offer same functionality as common ALV in ABAP

ALV realized as WD Component not as UI element

More complex interface

Included via Component Usage

Data binding by reverse context mapping

ALV Pattern Component

Web Dynpro ALV Component

Web DynproUI elements

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ALV in NetWeaver 04s

Web Dynpro ABAP based UI component Provide an optional list-header and list-footer area for

displaying additional information

Offer set of generic functions Choose columns which you want to display out of a set of columns Interactive sorting by simple header click or by choosing multiple criteria Interactive filtering by entering a filter-string in the edit field above the

column Aggregation on multiple key figures (total, min, max, average, count) Sub-aggregation if group-level (defined by sort criteria) changes Editability Persistence of configurations (layouts) Export to PDF

Offer interface to application to enhance set of generic functions with application specific functions

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WD ALV and Table Node

Application ALV

LocalITAB

Context

Node

Context

Node reverse context mapping

bind_table() ITAB' = get_static_attributes_table()

invalidate()

bind_table(ITAB')

Most common application scenario: Application has its data available as an internal table and would like

to display the data in an ALV as efficient as possible

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Overview ALV Configuration Model

ALV is steered by Configuration Model, which is kind of handle to manipulate look, feel and behavior of ALV

Hierarchical class structure CL_SALV_WD_CONFIG_TABLE

ALV creates a default configuration model at initialization

Application can modify configuration model at 2 points of time WDDOINIT everything can be changed WDDOMODIFY meaningful subset can be changed

ALV refresh method need to be called

ALV Config Model

Table Settings (# rows,…)Field Settings (filter, …)Column Settings (vis cols…)Function Settings

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You should now be able to:

Describe the ALV usage in Web dynpro

Use the ALV in Web Dynpro

ALV for Web Dynpro: Unit Summary