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Color individual cells of an ALV GRID



 
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PostPosted: Fri Jun 04, 2010 11:24 am    Post subject: Color individual cells of an ALV GRID Reply with quote

Author: Ankur Parab

The coloring of individual cells in ALV Grid is possible through ALV using OOPS.
First declare a table (of type lvc_t_scol) for specifying the color inside the internal table which contains the values to be displayed.
c_col type lvc_t_scol, " For cell coloring
Now after populating the internal table, modify the field c_col by specifying the color and the field name.
There can be any number of such rows in the internal table.
Code:

form set_color .
 data: wa_col type lvc_s_scol.
 wa_col-fname = 'SORTL'.
 wa_col-color-col = '7'.
 read table it_temp into wa_temp index 5.
 append wa_col to wa_temp-c_col.
 modify it_temp from wa_temp index 5.
endform." set_color

Now set the ctab_fname attribute of the layout can be set to the name of the color table, which is C_COL.
Code:

gs_layout-ctab_fname = 'C_COL'.

Now call the method set_table_for_first_display to display the ALV.

This code snippet will help you understand how to color individual cells in an ALV GRID object.

Code:
types: begin of y_t_itab,
          matnr    type matnr,
          maktx    type maktx,
          colortab type lvc_t_scol,
       end of y_t_itab.


data : itab type standard table of y_t_itab.
data : color_tab type standard table of lvc_s_scol.
data : it_fcat type standard table of lvc_s_fcat.
data : wa_itab type y_t_itab.

field-symbols: <f_wa_itab> type y_t_itab.
data : wa_fcat  type lvc_s_fcat,
       wa_layo  type lvc_s_layo,
       wa_color type lvc_s_scol.

data : gc_container type ref to cl_gui_custom_container,
       gc_grid      type ref to cl_gui_alv_grid.

select-options : s_matnr for wa_itab-matnr.

select matnr maktx from makt
into corresponding fields of table itab
where matnr in s_matnr
  and spras =  sy-langu.

if sy-subrc eq 0.
  sort itab by matnr.
endif.

call screen '0100'.


module status_0100 output.
*  SET PF-STATUS 'xxxxxxxx'.
*  SET TITLEBAR 'xxx'.


* create the grid object
  create object gc_container
    exporting
      container_name              = 'CC_CONTAINER'
    exceptions
      cntl_error                  = 1
      cntl_system_error           = 2
      create_error                = 3
      lifetime_error              = 4
      lifetime_dynpro_dynpro_link = 5
      others                      = 6.

  if sy-subrc <> 0.
    message id sy-msgid type sy-msgty number sy-msgno
               with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
  endif.

  create object gc_grid
    exporting
      i_parent          = gc_container
    exceptions
      error_cntl_create = 1
      error_cntl_init   = 2
      error_cntl_link   = 3
      error_dp_create   = 4
      others            = 5.

  if sy-subrc <> 0.
    message id sy-msgid type sy-msgty number sy-msgno
               with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
  endif.

* create fcat
  wa_fcat-fieldname = 'MATNR'.
  wa_fcat-ref_field = 'MATNR'.
  wa_fcat-ref_table = 'MAKT'.
  append wa_fcat to it_fcat.

  wa_fcat-fieldname = 'MAKTX'.
  wa_fcat-ref_field = 'MAKTX'.
  wa_fcat-ref_table = 'MAKT'.
  append wa_fcat to it_fcat.

*add colors to the cells
* LOOPing just to add different colors to different records
  loop at itab assigning  <f_wa_itab>.
    refresh : color_tab[].

    case sy-tabix.
      when 1.
        wa_color-fname = 'MATNR'.
        wa_color-color-col = 6.  " red color
        append wa_color to color_tab.

        wa_color-fname = 'MAKTX'.
        wa_color-color-col = 5. " green color
        append wa_color to color_tab.

      when others.

        wa_color-fname = 'MATNR'.
        wa_color-color-col = 3. "yellow
        append wa_color to color_tab.

        wa_color-fname = 'MAKTX'.
        wa_color-color-col = 7. "violet
        append wa_color to color_tab.

    endcase.
    insert lines of color_tab into table <f_wa_itab>-colortab.
  endloop.

* pass the column name of the internal table
* which contains the color sequence to the layout of the grid
  wa_layo-ctab_fname = 'COLORTAB'.

* display the grid

  call method gc_grid->set_table_for_first_display
    exporting
      is_layout                     = wa_layo
    changing
      it_outtab                     = itab[]
      it_fieldcatalog               = it_fcat[]
    exceptions
      invalid_parameter_combination = 1
      program_error                 = 2
      too_many_lines                = 3
      others                        = 4.

  if sy-subrc <> 0.
    message id sy-msgid type sy-msgty number sy-msgno
               with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
  endif.

endmodule.
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