ALV List with Radio Buttons
Applies to:
Application Server ABAP 6.40
Summary
The program shows how to define radio buttons in ALV grid lists.
Author(s):
Uwe Schieferstein
Company:
Cirrus Consulting AG, Switzerland
Created on:
11 January 2007
Author Bio
Uwe Schieferstein has 8 years of SAP experience has worked as technical consultant and
developer in Switzerland (Public Sector, Banking; SAP Authorization, Transport Management).
Uwe has a MS in Biochemistry from Eberhard Karls Universität Tübingen (Germany) and
received a PhD in Molecular Biology from Swiss Federal Institute of Technology Zurich
(Switzerland). He is currently working for Cirrus Consulting AG (Switzerland).
Table of Contents
Applies to: ... 1
Summary... 1
Author Bio ... 1
Report ZALVGRID_WITH_RADIOBUTTONS ... 3
Related Content... 11
Report ZALVGRID_WITH_RADIOBUTTONS
The following screen shot shows how the ALV grid list looks like when using radiobuttons. The radiobuttons
are not a genuine feature of ALV grid lists but are simulated using the corresponding icons and the
HOTSPOT_CLICK event.
*&---* *& Report ZALVGRID_WITH_RADIOBUTTONS
*&
*&---* *& This program shows how to realize radiobuttons in ALV grid lists *& using event HOTSPOT_CLICK.
*&
*&---* *& Screen 100:
*& - Flow logic *&
*& PROCESS BEFORE OUTPUT. *& MODULE PBO.
*&*
*& PROCESS AFTER INPUT. *& MODULE PAI.
*&
*& - Screen elements: none *& - ok-code field -> gd_okcode *&
*& GUI Status MAIN100:
*& - F3 = 'BACK', Shift+F3 = 'EXIT', F12 = 'CANC'
*&---*
PROGRAM zalvgrid_with_radiobuttons.
TYPE-POOLS: abap, icon. " INCLUDE <icon>. for releases < 6.20 TYPES: BEGIN OF ty_s_sflight.
INCLUDE TYPE sflight.
TYPES: button1 TYPE iconname. TYPES: button2 TYPE iconname. TYPES: button3 TYPE iconname. TYPES: button4 TYPE iconname. TYPES: END OF ty_s_sflight. DATA:
gt_sflight TYPE STANDARD TABLE OF ty_s_sflight,
*
gs_layout TYPE lvc_s_layo, gt_fcat TYPE lvc_t_fcat. DATA:
gd_okcode TYPE ui_func,
go_docking TYPE REF TO cl_gui_docking_container, go_grid TYPE REF TO cl_gui_alv_grid.
*---* * CLASS lcl_eventhandler DEFINITION
*---* *
*---*
CLASS lcl_eventhandler DEFINITION. PUBLIC SECTION.
CLASS-METHODS:
handle_hotspot_click FOR EVENT hotspot_click OF cl_gui_alv_grid IMPORTING
e_row_id e_column_id es_row_no sender.
ENDCLASS. "lcl_eventhandler DEFINITION
*---* * CLASS lcl_eventhandler IMPLEMENTATION
*---* *
*---*
CLASS lcl_eventhandler IMPLEMENTATION. METHOD handle_hotspot_click.
* define local data FIELD-SYMBOLS:
<ls_entry> TYPE ty_s_sflight, <ld_fld> TYPE ANY.
READ TABLE gt_sflight ASSIGNING <ls_entry> INDEX es_row_no-row_id. CHECK ( <ls_entry> IS ASSIGNED ).
* Set all radio buttons "unselected"
<ls_entry>-button1 = icon_wd_radio_button_empty. <ls_entry>-button2 = icon_wd_radio_button_empty. <ls_entry>-button3 = icon_wd_radio_button_empty. <ls_entry>-button4 = icon_wd_radio_button_empty.
ASSIGN COMPONENT e_column_id-fieldname OF STRUCTURE <ls_entry> TO <ld_fld>.
IF ( <ld_fld> IS ASSIGNED ).
* Set selected radio button "selected". <ld_fld> = icon_wd_radio_button. ENDIF.
* Force PAI followed by refresh of table display in PBO CALL METHOD cl_gui_cfw=>set_new_ok_code
EXPORTING new_code = 'REFRESH' * IMPORTING * RC = . ENDMETHOD. "handle_hotspot_click
ENDCLASS. "lcl_eventhandler IMPLEMENTATION
*---* * MAIN * *---* START-OF-SELECTION. PERFORM select_data. PERFORM init_controls. PERFORM build_fieldcatalog. PERFORM set_layout.
CALL METHOD go_grid->set_table_for_first_display EXPORTING * i_structure_name = 'SFLIGHT' is_layout = gs_layout CHANGING it_fieldcatalog = gt_fcat it_outtab = gt_sflight. * Link docking container to dynpro CALL METHOD go_docking->link EXPORTING
dynnr = '0100' * CONTAINER = EXCEPTIONS cntl_error = 1 cntl_system_error = 2 lifetime_dynpro_dynpro_link = 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.
CALL SCREEN 100. END-OF-SELECTION.
*---* * MODULE PBO OUTPUT * *---*
MODULE pbo OUTPUT.
SET PF-STATUS 'MAIN100'. SET TITLEBAR 'MAIN100'.
ENDMODULE. "PBO OUTPUT
*---* * MODULE PAI INPUT * *---*
MODULE pai INPUT. * Leave report CASE gd_okcode. WHEN 'BACK' OR 'EXIT' OR 'CANC'.
SET SCREEN 0. LEAVE SCREEN. * Refresh table display
WHEN 'REFRESH'. PERFORM refresh_display. WHEN OTHERS. * do nothing ENDCASE. CLEAR gd_okcode.
ENDMODULE. "PAI INPUT
*&---* *& Form BUILD_FIELDCATALOG
*&---* * text *---* * --> p1 text * <-- p2 text *---* FORM build_fieldcatalog .
* define local data DATA:
ls_fcat TYPE lvc_s_fcat. CALL FUNCTION 'LVC_FIELDCATALOG_MERGE' EXPORTING * I_BUFFER_ACTIVE = i_structure_name = 'ICON' * I_CLIENT_NEVER_DISPLAY = 'X' * I_BYPASSING_BUFFER = * I_INTERNAL_TABNAME = CHANGING ct_fieldcat = gt_fcat EXCEPTIONS inconsistent_interface = 1 program_error = 2 OTHERS = 3. IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO * WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4. ENDIF.
DELETE gt_fcat WHERE ( fieldname <> 'NAME' ). * NOTE: field ICON-NAME has data element ICONNAME. CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
EXPORTING * I_BUFFER_ACTIVE = i_structure_name = 'SFLIGHT' * I_CLIENT_NEVER_DISPLAY = 'X' * I_BYPASSING_BUFFER = * I_INTERNAL_TABNAME = CHANGING ct_fieldcat = gt_fcat EXCEPTIONS inconsistent_interface = 1 program_error = 2 OTHERS = 3. IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO * WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4. ENDIF.
READ TABLE gt_fcat INTO ls_fcat WITH KEY fieldname = 'NAME'. IF ( syst-subrc = 0 ).
DELETE gt_fcat INDEX syst-tabix. ENDIF.
ls_fcat-fieldname = 'BUTTON4'.
ls_fcat-coltext = ls_fcat-fieldname. ls_fcat-icon = 'X'.
ls_fcat-hotspot = 'X'.
INSERT ls_fcat INTO gt_fcat INDEX 5. *
ls_fcat-fieldname = 'BUTTON3'.
ls_fcat-coltext = ls_fcat-fieldname. INSERT ls_fcat INTO gt_fcat INDEX 5. *
ls_fcat-fieldname = 'BUTTON2'.
ls_fcat-coltext = ls_fcat-fieldname. INSERT ls_fcat INTO gt_fcat INDEX 5.
*
ls_fcat-fieldname = 'BUTTON1'.
ls_fcat-coltext = ls_fcat-fieldname. INSERT ls_fcat INTO gt_fcat INDEX 5. * Renumbering of the columns
LOOP AT gt_fcat INTO ls_fcat. ls_fcat-col_pos = syst-tabix.
MODIFY gt_fcat FROM ls_fcat INDEX syst-tabix. ENDLOOP.
ENDFORM. " BUILD_FIELDCATALOG
*&---* *& Form SELECT_DATA
*&---* * text *---* * --> p1 text * <-- p2 text *---* FORM select_data . * define local data DATA:
ls_sflight TYPE ty_s_sflight.
SELECT * FROM sflight INTO CORRESPONDING FIELDS OF TABLE gt_sflight. ls_sflight-button1 = icon_wd_radio_button. " selected radiobutton ls_sflight-button2 = icon_wd_radio_button_empty.
ls_sflight-button3 = icon_wd_radio_button_empty. ls_sflight-button4 = icon_wd_radio_button_empty.
* Alternatively: create icons using function module 'ICON_CREATE' * on SAP releases where these icons are not available.
MODIFY gt_sflight FROM ls_sflight
TRANSPORTING button1 button2 button3 button4 WHERE ( carrid IS NOT INITIAL ).
ENDFORM. " SELECT_DATA
*&---* *& Form INIT_CONTROLS
*&---* * text *---* * --> p1 text * <-- p2 text *---* FORM init_controls .
* Create docking container CREATE OBJECT go_docking EXPORTING parent = cl_gui_container=>screen0 * REPID = * DYNNR = * SIDE = DOCK_AT_LEFT * EXTENSION = 50 * STYLE = * LIFETIME = lifetime_default * CAPTION = * METRIC = 0 ratio = 90 * NO_AUTODEF_PROGID_DYNNR = * NAME = 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. * Size of container = full screen size CALL METHOD go_docking->set_extension EXPORTING extension = 99999 EXCEPTIONS cntl_error = 1 OTHERS = 2. 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 ALV grid instance CREATE OBJECT go_grid EXPORTING * I_SHELLSTYLE = 0 * I_LIFETIME = i_parent = go_docking * I_APPL_EVENTS = space * I_PARENTDBG = * I_APPLOGPARENT = * I_GRAPHICSPARENT = * I_NAME = * I_FCAT_COMPLETE = SPACE 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.
* Set event handler for event HOTSPOT_CLICK
SET HANDLER:
lcl_eventhandler=>handle_hotspot_click FOR go_grid. ENDFORM. " INIT_CONTROLS
*&---* *& Form REFRESH_DISPLAY
*&---* * Refresh table display after switching the radiobuttons
*---* * --> p1 text
* <-- p2 text
*---*
FORM refresh_display . * define local data DATA:
ls_stable TYPE lvc_s_stbl. ls_stable-row = abap_true. ls_stable-col = abap_true.
CALL METHOD go_grid->refresh_table_display EXPORTING is_stable = ls_stable * I_SOFT_REFRESH = EXCEPTIONS finished = 1 OTHERS = 2. IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO * WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4. ENDIF.
ENDFORM. " REFRESH_DISPLAY
*&---* *& Form SET_LAYOUT
*&---* * Set layout for ALV list
*---* * --> p1 text * <-- p2 text *---* FORM set_layout . CLEAR: gs_layout.
gs_layout-cwidth_opt = abap_true. " optimize column width gs_layout-zebra = abap_true.
