Tip

ABAP/Select options

This ABAP code snippet will allow you to hide some of the select options. Pressing a icon on the selection screen will expand the selection screen.

Define the following text elements
text-810: Special parameters on
text-811: Special parameters off


program z1.
* Define the following text elements
*   text-810: Special parameters on
*   text-811: Special parameters off

INCLUDE: <icon>.               
TABLES: smp_dyntxt, sscrfields, lfa1.

select-options: s_lifnr for lfa1-lifnr  
                 MODIF ID zer,
                s_name for lfa1-name1.

parameters: p_flag(1) modif id zer,
            p_sp_vis NO-DISPLAY. 

* Function Key
SELECTION-SCREEN FUNCTION KEY 1. 

AT SELECTION-SCREEN.
*Button 1 on the Toolbar has been pushed
  IF sscrfields-ucomm = 'FC01'.
    IF p_sp_vis = ' '.     "Show
      p_sp_vis = 'X'.
    ELSE.                  "Hide
      p_sp_vis = ' '.
    ENDIF.
  ENDIF.

AT SELECTION-SCREEN OUTPUT. 
* Set up toolbar pushbutton texts 
  PERFORM set_button_texts.
* Show/hide special parameters 
  PERFORM modify_screen.

start-of-selection.
  write: 'Hello'.

FORM set_button_texts.
  IF p_sp_vis = 'X'.
*   Show
    smp_dyntxt-text       = text-811.
    smp_dyntxt-icon_id    =      
      icon_data_area_collapse.
    smp_dyntxt-quickinfo  = text-811.
  ELSE.
*   Hide
    smp_dyntxt-text       = text-810.
    smp_dyntxt-icon_id    = 
      icon_data_area_expand.
    smp_dyntxt-quickinfo

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= text-810. ENDIF. smp_dyntxt-icon_text = space. sscrfields-functxt_01 = smp_dyntxt. ENDFORM. FORM modify_screen. LOOP AT SCREEN. IF screen-group1 = 'ZER'. "Show IF p_sp_vis = 'X'. screen-invisible = '0'. ELSE. "Hide screen-input = '0'. screen-invisible = '1'. ENDIF. MODIFY SCREEN. ENDIF. ENDLOOP. ENDFORM.

This was first published in May 2002

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