There is always needed to add a nice and pretty header no our OO ALV reports, It took me a while to figure it out, so I describe how I did it.
1. Create a normal SCREEN.
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2. On the Flow Logic, as usual create both modules
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3. Here is the good part.
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4. Take a look on this: I just create a docking control with a splitter divided in 2, the upper container will have the header, and the lower will have the alv!!
Declare the following as global:
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DATA: gr_alvgrid TYPE REF TO cl_gui_alv_grid,
gr_docking TYPE REF TO cl_gui_docking_container,
gt_fieldcat TYPE lvc_t_fcat,
gs_layout TYPE lvc_s_layo,
g_splitter TYPE REF TO cl_gui_splitter_container,
g_container_1 TYPE REF TO cl_gui_container,
g_container_2 TYPE REF TO cl_gui_container.
FORM split_screen.
CLEAR: gr_docking, g_splitter, g_container_1, g_container_2.
CREATE OBJECT gr_docking
EXPORTING repid = sy-repid
dynnr = sy-dynnr
ratio = '95'.
* Create a splitter with 2 rows and 1 column
CREATE OBJECT g_splitter
EXPORTING parent = gr_docking
rows = 2
columns = 1.
** Upper Container
CALL METHOD g_splitter->get_container
EXPORTING
row = 1
column = 1
RECEIVING
container = g_container_1.
** Lower Container
CALL METHOD g_splitter->get_container
EXPORTING
row = 2
column = 1
RECEIVING
container = g_container_2.
** Upper Container height
CALL METHOD g_splitter->set_row_height
EXPORTING
id = 1
height = 20.
*
PERFORM header.
ENDFORM. "split_screen
5. Here will create the header, add graphics and text
FORM header.
DATA: l_document TYPE REF TO cl_dd_document,
l_doctable TYPE REF TO cl_dd_table_element,
l_column1 TYPE REF TO cl_dd_area,
l_column2 TYPE REF TO cl_dd_area.
CREATE OBJECT l_document.
CALL METHOD l_document->add_text
EXPORTING
text = text-001
sap_style = cl_dd_area=>heading.
CALL METHOD l_document->add_table
EXPORTING
no_of_columns = 5
cell_background_transparent = 'X'
border = '0'
IMPORTING
table = l_doctable.
CALL METHOD l_doctable->add_column
IMPORTING
column = l_column1.
PERFORM TITLES CHANGING l_column1.
CALL METHOD l_doctable->add_column
IMPORTING
column = l_column2.
CALL METHOD l_column2->add_gap
EXPORTING
width = 150.
CALL METHOD l_column2->add_picture
EXPORTING
picture_id = 'ZPICTURE'. "WHAT EVER GRAPHIC YOU NEED
CALL METHOD l_document->merge_document.
CALL METHOD l_document->display_document
EXPORTING
parent = g_container_1.
ENDFORM. "header
6. Titles will be added
FORM TITLES CHANGING dg_dyndoc_id TYPE REF TO cl_dd_area.
DATA : dl_text(255) TYPE c. "Text
dl_text = sy-title.
CONDENSE dl_text.
CALL METHOD dg_dyndoc_id->add_text
EXPORTING
text = dl_text
sap_fontsize = cl_dd_area=>large.
CALL METHOD dg_dyndoc_id->new_line.
CLEAR : dl_text.
dl_text = 'Date :'.
CALL METHOD dg_dyndoc_id->add_gap.
CALL METHOD dg_dyndoc_id->add_text
EXPORTING
text = dl_text.
CLEAR dl_text.
WRITE sy-datum TO dl_text.
CALL METHOD dg_dyndoc_id->add_text
EXPORTING
text = dl_text.
CALL METHOD dg_dyndoc_id->new_line.
CLEAR : dl_text.
dl_text = 'Time :'.
CALL METHOD dg_dyndoc_id->add_gap.
CALL METHOD dg_dyndoc_id->add_text
EXPORTING
text = dl_text.
CLEAR dl_text.
WRITE sy-uzeit TO dl_text.
CALL METHOD dg_dyndoc_id->add_text
EXPORTING
text = dl_text.
CALL METHOD dg_dyndoc_id->new_line.
dl_text = 'User :'.
CALL METHOD dg_dyndoc_id->add_gap.
CALL METHOD dg_dyndoc_id->add_text
EXPORTING
text = dl_text.
CLEAR dl_text.
dl_text = sy-uname.
CALL METHOD dg_dyndoc_id->add_text
EXPORTING
text = dl_text.
ENDFORM.
7. Finally on the form DisplayALV add the rest of the ALV*
Error rendering macro 'code': Invalid value specified for parameter 'com.atlassian.confluence.ext.code.render.InvalidValueException'
FORM display_alv.
DATA: ls_variant TYPE disvariant,
l_save.
ls_variant-report = sy-repid.
l_save = 'A'.
IF gr_alvgrid IS INITIAL .
* Add the ALV to the lower container
CREATE OBJECT gr_alvgrid
EXPORTING
i_parent = g_container_2
EXCEPTIONS
error_cntl_create = 1
error_cntl_init = 2
error_cntl_link = 3
error_dp_create = 4
OTHERS = 5 .
PERFORM prepare_field_catalog CHANGING gt_fieldcat .
PERFORM prepare_layout CHANGING gs_layout .
CALL METHOD gr_alvgrid->set_table_for_first_display
EXPORTING
is_layout = gs_layout
is_variant = ls_variant
i_save = l_save
CHANGING
it_outtab = gt_data[]
it_fieldcatalog = gt_fieldcat
EXCEPTIONS
invalid_parameter_combination = 1
program_error = 2
too_many_lines = 3
OTHERS = 4.
ELSE .
CALL METHOD gr_alvgrid->refresh_table_display
EXCEPTIONS
finished = 1
OTHERS = 2.
ENDIF .
ENDFORM. "display_alv