Method GET_TABLE_FOR_ALV_GRID

Use

In the BRF you can display multiple BRF objects of the same class in an overview. This overview is provided by an ALV grid (transaction BRF_OVERVIEW).

To be able to display this overview, the implementing maintenance class must return a table with a structure description.

Sample source text:

Only the main parts of the source text are mentioned below.

METHOD if_maintenance_brf~get_table_for_alv_grid .

FIELD-SYMBOLS <lt_sbrf150_alv> TYPE sbrf150_alv_t.

DATA lr_sbrf150_alv TYPE REF TO DATA.

DATA ls_sbrf150_alv TYPE sbrf150_alv.

*--- get the common expression data from the super-class ---------------

CALL METHOD super->if_maintenance_brf~get_table_for_alv_grid

EXPORTING

iv_applclass = iv_applclass

iv_class_id = iv_class_id

iv_import_status = iv_import_status

iv_version = iv_version

IMPORTING

et_table = lr_sbrf150_alv.

ASSIGN lr_sbrf150_alv->* TO <lt_sbrf150_alv>.

CHECK <lt_sbrf150_alv> IS ASSIGNED.

*--- select data from the db-table TBRF142 ----------------------------

IF NOT <lt_sbrf150_alv>[] IS INITIAL.

SELECT * FROM tbrf142 INTO TABLE lt_tbrf142

FOR ALL ENTRIES IN <lt_sbrf150_alv> WHERE

ENDIF.

*--- merge all the fields into one table ------------------------------

LOOP AT <lt_sbrf150_alv> INTO ls_sbrf150_alv.

CLEAR ls_sbrf142_alv.

MOVE-CORRESPONDING ls_sbrf150_alv TO ls_sbrf142_alv.

READ TABLE lt_tbrf142 INTO ls_tbrf142 WITH KEY

MOVE-CORRESPONDING ls_tbrf142 TO ls_sbrf142_alv.

APPEND ls_sbrf142_alv TO mt_sbrf142_alv.

ENDLOOP.

* --------- get a data reference for the exporting parameter -----------

GET REFERENCE OF mt_sbrf142_alv INTO et_table.

ENDMETHOD.

Description:

The GET_TABLE_FOR_ALV_GRID method sets up an internal member table (MT_SBRF142_ALV). This member table consists of information from the following tables:

• Expression table TBRF150 and TBRF150T (method of the superclass)

• Table TBRF142

It is important that the internal table MT_SBRF142_ALV continues to exist even after the method is exited. Otherwise, the reference created in the last line would become invalid.

In the implementation you should also note the following:

• Define your ALV structure in the DDIC.

  The naming convention for existing ALV structures is SBRFxxx_ALV (xxx stands for the number of the relevant specialization table).

• Include the ALV structure of the basis table in your ALV structure.

  • With expressions, the ALV structure of the basis table is SBRF150_ALV

  • With concrete actions, the ALV structure of the basis table is SBRF171_ALV