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Regard check box concept in alv grid display

HI Friends,

i am displaying the sales order details with check box. so my first field is checkbox. When user click on check box then he press the details icon.

my question i need a logic for calling the tcode based on the vbeln when it is cheked.

thanks in advance.

Regards,

Purna.

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  • author's profile photo Former Member
    Former Member
    Posted on Apr 02, 2008 at 12:17 PM

    hi,

    go through this program

    program bcalv_edit_05.

    *&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

    • Purpose:

    • ~~~~~~~~

    • This example shows how to use checkboxes within an ALV Grid Control.

    • You learn:

    • o how to define a column for editable checkboxes for an attribute

    • of your list (see also remark below)

    • o how to evaluate the checked checkboxes

    • o how to switch between editable and non-editable checkboxes

    *

    • Important Remark

    • ~~~~~~~~~~~~~~~~

    • The checkbox functionality has been replaced by selection buttons

    • in front of each row (field SEL_MODE of the layout structure

    • set to 'A' or 'D'; when using the editable ALV Grid Control,

    • these selection buttons are always visible).

    • Class methods like GET_SELECTED_ROWS work only for this new

    • functionality and not for checkboxes.

    • Thus checkboxes should not be used for line selection but for

    • a column as an additional or for an already existing attribute

    • (like field SMOKER in SBOOK).

    *----

    -


    • To check program behavior

    • ~~~~~~~~~~~~~~~~~~~~~~~~~

    • Try out the functions displayed in the application toolbar:

    • o The first sets all checked lines to initial values.

    • (see form reset_selected_entries)

    • o The seconds marks all checkboxes that are input enabled

    • o The third unmarks all checkboxes that are input enabled

    • o To try the forth, you have to select a line first using

    • the selection buttons on the left.

    • The function deactivates/activates a checkbox.

    *

    • Checkboxes may be locked/unlocked using a double click on the

    • checkbox cell.

    *

    *----

    -


    • Essential steps (search for '§')

    • ~~~~~~~~~~~~~~~

    • This example focusses on two aspects of checkboxes in an

    • editable ALV Grid Control:

    • A How to integrate, set, reset and evaluate checkboxes

    • B What you must do to lock particular checkboxes against input

    *

    • A) Integrate, set, reset and evaluate checkboxes

    • ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    • A1.Extend your output table by a checkbox field.

    • A2.Add an entry for the checkbox in the fieldcatalog

    • A3.Optionally, check checkboxes initially after selecting data.

    • A4.Before you (a)set, (b)reset, (c)(de)activate or

    • (d)evaluate checkboxes, you must check the input cells.

    *

    • B) Lock particular checkboxes against input

    • ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    • B1.Extend your output table by a field to dis- or enable

    • cells for input.

    • B2.After selecting data,

    • assign a style for each row of your checkbox column.

    • B3.Use the layout structure to aquaint additional field to ALV.

    • B4.Switch the style to dis- or enable a cell for input

    *----

    -


    *&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&&

    class lcl_event_receiver definition deferred. "for event handling

    data: ok_code like sy-ucomm,

    save_ok like sy-ucomm,

    g_container type scrfname value 'BCALV_GRID_DEMO_0100_CONT1',

    g_grid type ref to cl_gui_alv_grid,

    g_custom_container type ref to cl_gui_custom_container,

    g_event_receiver type ref to lcl_event_receiver,

    gt_fieldcat type lvc_t_fcat,

    gs_layout type lvc_s_layo,

    g_max type i value 100.

    *

    *§A1.Extend your output table by a checkbox field.

    • If you do not want to lock sole checkboxes against input

    • you do not need field 'celltab'.

    types: begin of gs_outtab.

    types: checkbox type c. "field for checkbox

    • §B1.Extend your output table by a field to dis- or enable

    • cells for input.

    types: celltab type lvc_t_styl. "field to switch editability

    include structure sflight.

    types: end of gs_outtab.

    data: gt_outtab type gs_outtab occurs 0 with header line.

    ***********************************************************************

    • LOCAL CLASSES

    ***********************************************************************

    *

    • This local class only handles event DOUBLE_CLICK.

    • Wenn the user double clicks on a checkbox cell the status of

    • this cell is switched from editable to not editable and vice versa.

    *

    class lcl_event_receiver definition.

    public section.

    methods: catch_doubleclick

    for event double_click of cl_gui_alv_grid

    importing

    e_column

    es_row_no

    sender.

    endclass.

    *-----

    class lcl_event_receiver implementation.

    method catch_doubleclick.

    data: ls_outtab type gs_outtab,

    ls_celltab type lvc_s_styl.

    *--

    • Function:

    • Switch between 'editable' and 'not editable' checkbox.

    *--

    • If the user clicked on another column there is

    • nothing to do.

    if e_column-fieldname ne 'CHECKBOX'.

    exit.

    endif.

    read table gt_outtab into ls_outtab index es_row_no-row_id.

    • The loop is only needed if there are other columns that

    • use checkboxes. At this point the loop could be

    • replaced by a READ of the first line of CELLTAB.

    loop at ls_outtab-celltab into ls_celltab.

    if ls_celltab-fieldname eq 'CHECKBOX'.

    • §B4.Switch the style to dis- or enable a cell for input

    if ls_celltab-style = cl_gui_alv_grid=>mc_style_enabled.

    ls_celltab-style = cl_gui_alv_grid=>mc_style_disabled.

    else.

    ls_celltab-style = cl_gui_alv_grid=>mc_style_enabled.

    endif.

    modify ls_outtab-celltab from ls_celltab.

    endif.

    endloop.

    modify gt_outtab from ls_outtab index es_row_no-row_id.

    call method sender->refresh_table_display.

    endmethod.

    endclass.

    *

    ********************************************************************

    *----


    *

    • MAIN *

    *----


    *

    end-of-selection.

    call screen 100.

    *----


    *

    • MODULE PBO OUTPUT *

    *----


    *

    module pbo output.

    set pf-status 'MAIN100'.

    set titlebar 'MAIN100'.

    if g_custom_container is initial.

    perform create_and_init_alv.

    endif.

    endmodule.

    *----


    *

    • MODULE PAI INPUT *

    *----


    *

    module pai input.

    save_ok = ok_code.

    clear ok_code.

    case save_ok.

    when 'EXIT'.

    perform exit_program.

    when 'SELECT'.

    perform select_all_entries changing gt_outtab[].

    when 'DESELECT'.

    perform deselect_all_entries changing gt_outtab[].

    when 'RESET'.

    perform reset_selected_entries changing gt_outtab[].

    when 'SWITCH'.

    perform switch_activation changing gt_outtab[].

    endcase.

    endmodule.

    *----


    *

    • FORM EXIT_PROGRAM *

    *----


    *

    form exit_program.

    leave program.

    endform.

    *&----


    *

    *& Form BUILD_FIELDCAT

    *&----


    *

    • text

    *----


    *

    • <--P_GT_FIELDCAT text

    *----


    *

    form build_fieldcat changing pt_fieldcat type lvc_t_fcat.

    data ls_fcat type lvc_s_fcat.

    call function 'LVC_FIELDCATALOG_MERGE'

    exporting

    i_structure_name = 'SFLIGHT'

    changing

    ct_fieldcat = pt_fieldcat.

    *§A2.Add an entry for the checkbox in the fieldcatalog

    clear ls_fcat.

    ls_fcat-fieldname = 'CHECKBOX'.

    • Essential: declare field as checkbox and

    • mark it as editable field:

    ls_fcat-checkbox = 'X'.

    ls_fcat-edit = 'X'.

    • do not forget to provide texts for this extra field

    ls_fcat-coltext = text-f01.

    ls_fcat-tooltip = text-f02.

    ls_fcat-seltext = text-f03.

    • optional: set column width

    ls_fcat-outputlen = 10.

    *

    append ls_fcat to pt_fieldcat.

    endform.

    *&----


    *

    *& Form CREATE_AND_INIT_ALV

    *&----


    *

    • text

    *----


    *

    • <--P_GT_OUTTAB text

    • <--P_GT_FIELDCAT text

    • <--P_GS_LAYOUT text

    *----


    *

    form create_and_init_alv.

    data: lt_exclude type ui_functions.

    create object g_custom_container

    exporting container_name = g_container.

    create object g_grid

    exporting i_parent = g_custom_container.

    perform build_fieldcat changing gt_fieldcat.

    • Exclude all edit functions in this example since we do not need them:

    perform exclude_tb_functions changing lt_exclude.

    perform build_data.

    *§ B3.Use the layout structure to aquaint additional field to ALV.

    gs_layout-stylefname = 'CELLTAB'.

    call method g_grid->set_table_for_first_display

    exporting is_layout = gs_layout

    it_toolbar_excluding = lt_exclude

    changing it_fieldcatalog = gt_fieldcat

    it_outtab = gt_outtab[].

    create object g_event_receiver.

    set handler g_event_receiver->catch_doubleclick for g_grid.

    • Set editable cells to ready for input initially

    call method g_grid->set_ready_for_input

    exporting

    i_ready_for_input = 1.

    endform. "CREATE_AND_INIT_ALV

    *&----


    *

    *& Form EXCLUDE_TB_FUNCTIONS

    *&----


    *

    • text

    *----


    *

    • <--P_LT_EXCLUDE text

    *----


    *

    form exclude_tb_functions changing pt_exclude type ui_functions.

    data ls_exclude type ui_func.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_copy_row.

    append ls_exclude to pt_exclude.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_delete_row.

    append ls_exclude to pt_exclude.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_append_row.

    append ls_exclude to pt_exclude.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_insert_row.

    append ls_exclude to pt_exclude.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_move_row.

    append ls_exclude to pt_exclude.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_copy.

    append ls_exclude to pt_exclude.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_cut.

    append ls_exclude to pt_exclude.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_paste.

    append ls_exclude to pt_exclude.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_paste_new_row.

    append ls_exclude to pt_exclude.

    ls_exclude = cl_gui_alv_grid=>mc_fc_loc_undo.

    append ls_exclude to pt_exclude.

    endform. " EXCLUDE_TB_FUNCTIONS

    *&----


    *

    *& Form build_data

    *&----


    *

    • text

    *----


    *

    • --> p1 text

    • <-- p2 text

    *----


    *

    form build_data.

    data: lt_sflight type table of sflight,

    ls_sflight type sflight,

    ls_celltab type lvc_s_styl,

    lt_celltab type lvc_t_styl,

    l_index type i.

    select * from sflight into table lt_sflight up to g_max rows.

    if sy-subrc ne 0.

    • generate own entries if db-table is empty so that this example

    • still works

    perform generate_entries changing lt_sflight.

    endif.

    *§A3.Optionally, check checkboxes initially after selecting data.

    • (Omitted in this example)

    loop at lt_sflight into ls_sflight.

    move-corresponding ls_sflight to gt_outtab.

    • if gt_outtab-connid eq '400'.

    • gt_outtab-checkbox = 'X'.

    • endif.

    append gt_outtab.

    endloop.

    • §B2.After selecting data,

    • assign a style for each row of your checkbox column.

    *

    • Initially, set all checkbox cells editable.

    ls_celltab-fieldname = 'CHECKBOX'.

    ls_celltab-style = cl_gui_alv_grid=>mc_style_enabled.

    loop at gt_outtab.

    l_index = sy-tabix.

    refresh lt_celltab.

    ls_celltab-fieldname = 'CHECKBOX'.

    ls_celltab-style = cl_gui_alv_grid=>mc_style_enabled.

    insert ls_celltab into table lt_celltab.

    insert lines of lt_celltab into table gt_outtab-celltab.

    modify gt_outtab index l_index.

    endloop.

    endform. " build_data

    *&----


    *

    *& Form generate_entries

    *&----


    *

    • text

    *----


    *

    • <--P_LT_SLFIGHT text

    *----


    *

    form generate_entries changing pt_slfight type standard table.

    *

    • This form is only needed for the case that there is no

    • data in database table SFLIGHT.

    *

    data: ls_sflight type sflight,

    l_month(2) type c,

    l_day(2) type c,

    l_date(8) type c.

    ls_sflight-carrid = 'LH'.

    ls_sflight-connid = '0400'.

    ls_sflight-currency = 'DEM'.

    ls_sflight-planetype = '747-400'.

    ls_sflight-seatsmax = 660.

    do 110 times.

    ls_sflight-price = sy-index * 100.

    ls_sflight-seatsocc = 660 - sy-index * 6.

    ls_sflight-paymentsum = ls_sflight-seatsocc * ls_sflight-price.

    l_month = sy-index / 10 + 1.

    do 2 times.

    l_day = l_month + sy-index * 2.

    l_date+0(4) = '2000'.

    l_date4(2) = l_month0(2).

    l_date6(2) = l_day0(2).

    ls_sflight-fldate = l_date.

    append ls_sflight to pt_slfight.

    enddo.

    enddo.

    endform. " generate_entries

    *&----


    *

    *& Form select_all_entries

    *&----


    *

    • text

    *----


    *

    • <--P_GT_OUTTAB text

    *----


    *

    form select_all_entries changing pt_outtab type standard table.

    data: ls_outtab type gs_outtab.

    data: l_valid type c,

    l_locked type c.

    *§A4ad. Before you (a)set, reset or (d)evaluate checkboxes,

    • you must check the input cells.

    *

    • If all entries are ok, ALV transferes new values to the output

    • table which you then can modify.

    call method g_grid->check_changed_data

    importing

    e_valid = l_valid.

    if l_valid eq 'X'.

    loop at pt_outtab into ls_outtab.

    perform check_lock using ls_outtab

    changing l_locked.

    if l_locked is initial

    and not ls_outtab-checkbox eq '-'.

    ls_outtab-checkbox = 'X'.

    endif.

    modify pt_outtab from ls_outtab.

    endloop.

    call method g_grid->refresh_table_display.

    endif.

    endform. " select_all_entries

    *&----


    *

    *& Form deselect_all_entries

    *&----


    *

    • text

    *----


    *

    • <--P_GT_OUTTAB[] text

    *----


    *

    form deselect_all_entries changing pt_outtab type standard table.

    data: ls_outtab type gs_outtab.

    data: l_valid type c,

    l_locked type c.

    *§A4ad. Before you (a)set, reset or (d)evaluate checkboxes,

    • you must check the input cells.

    *

    • If all entries are ok, ALV transferes new values to the output

    • table which you then can modify.

    call method g_grid->check_changed_data

    importing

    e_valid = l_valid.

    if l_valid eq 'X'.

    loop at pt_outtab into ls_outtab.

    perform check_lock using ls_outtab

    changing l_locked.

    if l_locked is initial

    and not ls_outtab-checkbox eq '-'.

    ls_outtab-checkbox = ' '.

    endif.

    modify pt_outtab from ls_outtab.

    endloop.

    call method g_grid->refresh_table_display.

    endif.

    endform. " deselect_all_entries

    *&----


    *

    *& Form reset_selected_entries

    *&----


    *

    • text

    *----


    *

    • <--P_GT_OUTTAB[] text

    *----


    *

    form reset_selected_entries changing pt_outtab type standard table.

    data: ls_outtab type gs_outtab.

    data: l_valid type c.

    *§A4b. Before you set, (b)reset or evaluate checkboxes,

    • you must check the input cells.

    *

    • If all entries are ok, ALV transferes new values to the output

    • table which you then can modify.

    call method g_grid->check_changed_data

    importing

    e_valid = l_valid.

    if l_valid eq 'X'.

    loop at pt_outtab into ls_outtab.

    if not ls_outtab-checkbox is initial

    and not ls_outtab-checkbox eq '-'.

    clear ls_outtab.

    modify pt_outtab from ls_outtab.

    endif.

    endloop.

    call method g_grid->refresh_table_display.

    endif.

    endform. " reset_selected_entries

    *----

    -


    form switch_activation changing pt_outtab type standard table.

    data: ls_outtab type gs_outtab.

    data: l_valid type c,

    lt_row_no type lvc_t_roid with header line.

    *§A4c. Before you set, reset, (c)(de)activate

    • or evaluate checkboxes, you must check the input cells.

    *

    • If all entries are ok, ALV transferes new values to the output

    • table which you then can modify.

    call method g_grid->check_changed_data

    importing

    e_valid = l_valid.

    if l_valid eq 'X'.

    call method g_grid->get_selected_rows

    importing

    et_row_no = lt_row_no[].

    loop at lt_row_no.

    read table pt_outtab into ls_outtab index lt_row_no-row_id.

    if ls_outtab-checkbox ne '-'.

    ls_outtab-checkbox = '-'.

    else.

    ls_outtab-checkbox = ' '.

    endif.

    modify pt_outtab from ls_outtab index lt_row_no-row_id.

    endloop.

    call method g_grid->refresh_table_display.

    endif.

    endform. " switch_activation

    *&----


    *

    *& Form check_lock

    *&----


    *

    • text

    *----


    *

    • -->P_LS_OUTTAB text

    • <--P_L_LOCKED text

    *----


    *

    form check_lock using ps_outtab type gs_outtab

    changing p_locked.

    data ls_celltab type lvc_s_styl.

    loop at ps_outtab-celltab into ls_celltab.

    if ls_celltab-fieldname = 'CHECKBOX'.

    if ls_celltab-style eq cl_gui_alv_grid=>mc_style_disabled.

    p_locked = 'X'.

    else.

    p_locked = space.

    endif.

    endif.

    endloop.

    endform. " check_lock

    Regards,

    Sindhu

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