ABAP - Add Color In ALV List/Grid Display

REPORT zdemo_alvgrid .
TABLES: ekko.

type-pools: slis. "ALV Declarations
*Data Declaration*----------------
TYPES: BEGIN OF t_ekko,
ebeln TYPE ekpo-ebeln,
ebelp TYPE ekpo-ebelp,
statu TYPE ekpo-statu,
aedat TYPE ekpo-aedat,
matnr TYPE ekpo-matnr,
menge TYPE ekpo-menge,
meins TYPE ekpo-meins,
netpr TYPE ekpo-netpr,
peinh TYPE ekpo-peinh,
line_color(4) type c, "Used to store row color attributes
END OF t_ekko.

DATA: it_ekko TYPE STANDARD TABLE OF t_ekko INITIAL SIZE 0,
wa_ekko TYPE t_ekko.
*ALV data declarations
data: fieldcatalog type slis_t_fieldcat_alv with header line,
gd_tab_group type slis_t_sp_group_alv,
gd_layout type slis_layout_alv,
gd_repid like sy-repid.

*Start-of-selection.
START-OF-SELECTION.

perform data_retrieval.

perform build_fieldcatalog.

perform build_layout.

perform display_alv_report.

*&---------------------------------------------------------------------
**& Form BUILD_FIELDCATALOG
*&---------------------------------------------------------------------
** Build Fieldcatalog for ALV Report
*----------------------------------------------------------------------*
form build_fieldcatalog.
* There are a number of ways to create a fieldcat.
* For the purpose of this example i will build the fieldcatalog manualy
* by populating the internal table fields individually and then
* appending the rows. This method can be the most time consuming but can
* also allow you more control of the final product.
* Beware though, you need to ensure that all fields required are
* populated. When using some of functionality available via ALV, such as
* total. You may need to provide more information than if you were
* simply displaying the result
* I.e. Field type may be required in-order for
* the 'TOTAL' function to work.

fieldcatalog-fieldname = 'EBELN'.
fieldcatalog-seltext_m = 'Purchase Order'.
fieldcatalog-col_pos = 0.
fieldcatalog-outputlen = 10.
fieldcatalog-emphasize = 'X'.
fieldcatalog-key = 'X'.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.

fieldcatalog-fieldname = 'EBELP'.
fieldcatalog-seltext_m = 'PO Item'.
fieldcatalog-col_pos = 1.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.

fieldcatalog-fieldname = 'STATU'.
fieldcatalog-seltext_m = 'Status'.
fieldcatalog-col_pos = 2.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.

fieldcatalog-fieldname = 'AEDAT'.
fieldcatalog-seltext_m = 'Item change date'.
fieldcatalog-col_pos = 3.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.

fieldcatalog-fieldname = 'MATNR'.
fieldcatalog-seltext_m = 'Material Number'.
fieldcatalog-col_pos = 4.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.

fieldcatalog-fieldname = 'MENGE'.
fieldcatalog-seltext_m = 'PO quantity'.
fieldcatalog-col_pos = 5.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.

fieldcatalog-fieldname = 'MEINS'.
fieldcatalog-seltext_m = 'Order Unit'.
fieldcatalog-col_pos = 6.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.

fieldcatalog-fieldname = 'NETPR'.
fieldcatalog-seltext_m = 'Net Price'.
fieldcatalog-col_pos = 7.
fieldcatalog-outputlen = 15.
fieldcatalog-datatype = 'CURR'.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.

fieldcatalog-fieldname = 'PEINH'.
fieldcatalog-seltext_m = 'Price Unit'.
fieldcatalog-col_pos = 8.
append fieldcatalog to fieldcatalog.
clear fieldcatalog.endform. " BUILD_FIELDCATALOG

*&---------------------------------------------------------------------
**& Form BUILD_LAYOUT
*&---------------------------------------------------------------------
** Build layout for ALV grid report
*----------------------------------------------------------------------*
form build_layout.
gd_layout-no_input = 'X'.
gd_layout-colwidth_optimize = 'X'.
gd_layout-totals_text = 'Totals'(201).
gd_layout-info_fieldname = 'LINE_COLOR'.

endform. " BUILD_LAYOUT

*&---------------------------------------------------------------------
**& Form DISPLAY_ALV_REPORT
*&---------------------------------------------------------------------
** Display report using ALV grid
*----------------------------------------------------------------------*
form display_alv_report.
gd_repid = sy-repid.
call function 'REUSE_ALV_GRID_DISPLAY'
exporting
i_callback_program = gd_repid
is_layout = gd_layout
it_fieldcat = fieldcatalog[]
i_save = 'X'*
is_variant = z_template
tables
t_outtab = it_ekko .

endform. " DISPLAY_ALV_REPORT
*&---------------------------------------------------------------------
**& Form DATA_RETRIEVAL
*&---------------------------------------------------------------------
** Retrieve data form EKPO table and populate itab it_ekko
*----------------------------------------------------------------------
form data_retrieval.
data: ld_color(1) type c.

select ebeln
ebelp
statu
aedat
matnr
menge
meins
netpr
peinh
up to 10 rows
from ekpo
into table it_ekko.

*Populate field with color attributes
loop at it_ekko into wa_ekko.
* Populate color variable with colour properties
* Char 1 = C (This is a color property)
* Char 2 = 3 (Color codes: 1 - 7)
* Char 3 = Intensified on/off ( 1 or 0 )
* Char 4 = Inverse display on/off ( 1 or 0 )
* i.e. wa_ekko-line_color = 'C410'
ld_color = ld_color + 1.
* Only 7 colours so need to reset color value
if ld_color = 8.
ld_color = 1.
endif.

concatenate 'C' ld_color '10' into wa_ekko-line_color.
* wa_ekko-line_color = 'C410'.
modify it_ekko from wa_ekko.
endloop.

endform. " DATA_RETRIEVAL