oops ALV

7/28/2019 oops ALV

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class grid_appl definition deferred.class lcl_event_receiver definition deferred.

tables:eban.

*--- ALV Grid instance referencedata gr_alvgrid type ref to cl_gui_alv_grid .*--- Name of the custom control added on the screendata gc_custom_control_name type scrfname value 'CC_ALV' .*--- Custom container instance referencedata gr_ccontainer type ref to cl_gui_custom_container .*--- Field catalog tabledata gt_fieldcat type lvc_t_fcat .data zflag.*--- Layout structuredata gs_layout type lvc_s_layo .

data: ok_code type sy-ucomm.

** data for event handlingdata: gs_f4 type lvc_s_f4,

gt_f4 type lvc_t_f4.

types: begin of it_list, banfn type eban-banfn, bnfpo type eban-bnfpo, bsart type eban-bsart, bstyp type eban-bstyp,

bsakz type eban-bsakz,loekz type eban-loekz,statu type eban-statu,estkz type eban-estkz,frgkz type eban-frgkz,frgzu type eban-frgzu,

end of it_list.

data: gt_list type standard table of it_list, wa_list type it_list.

data: i_selected_rows type lvc_t_row,"Selected Rows w_selected_rows type lvc_s_row,i_modified type table of eban,"For getting modified rows w_modified type eban, wa type eban.

*data: my_event_receiver type ref to lcl_event_receiver.

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*---------------------------------------------------------------------** CLASS lcl_event_receiver DEFINITION*---------------------------------------------------------------------*

class lcl_event_receiver definition.

public section.

methods: on_f4 for event onf4 of cl_gui_alv_grid importing sender

e_fieldnamee_fieldvaluees_row_noer_event_dataet_bad_cellse_display.

private section.data : lr_data_changed type ref to

cl_alv_changed_data_protocol.

endclass. "lcl_event_receiver DEFINITION

start-of-selection.

select banfn bnfpo bsart

bstyp bsakzloekzstatuestkzfrgkzfrgzu

from eban into table gt_list.

call screen 9000.

*&---------------------------------------------------------------------**& Module DISPLAY_ALV OUTPUT*&---------------------------------------------------------------------** text*----------------------------------------------------------------------*

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module display_alv output. perform display_alv.endmodule. " DISPLAY_ALV OUTPUT

*&--------------------------------------------------------------

-------**& Module STATUS_9000 OUTPUT*&---------------------------------------------------------------------** text*----------------------------------------------------------------------* module status_9000 output.

set pf-status 'ZNEW_STS'.* SET TITLEBAR 'xxx'.

endmodule. " STATUS_9000 OUTPUT

*&---------------------------------------------------------------------**& Module USER_COMMAND_9000 INPUT*&---------------------------------------------------------------------** text*----------------------------------------------------------------------* module user_command_9000 input.

ok_code = sy-ucomm.

case ok_code.

when 'BACK'.* call method g_onf4->reset.

leave to screen 0.

when 'EXIT'.leave program.

when 'EDIT'.

zflag = '1'. perform update_field_catalog changing gt_fieldcat. perform register_edit.

when 'DISPLAY'.zflag = '0'. perform update_field_catalog changing gt_fieldcat.

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when 'SAVE_IN'. perform save_db.

when 'NEW'.if zflag <> '1'.

message i000(zpm_msgi).else.zflag = '2'. perform update_field_catalog changing gt_fieldcat.append wa_list to gt_list.

endif.endcase.

endmodule. " USER_COMMAND_9000 INPUT

*&---------------------------------------------------------------------**& Form DISPLAY_ALV *&---------------------------------------------------------------------** text*----------------------------------------------------------------------*form display_alv.if gr_alvgrid is initial.create object gr_ccontainer

exporting* parent =

container_name = gc_custom_control_name .

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 gr_alvgrid exportingi_parent = gr_ccontainer.

if sy-subrc <> 0.* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

endif.

*----Preparing field catalog. perform prepare_field_catalog changing gt_fieldcat .

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call method gr_alvgrid->set_table_for_first_displayexporting

is_layout = gs_layoutchanging

it_outtab = gt_list[]

it_fieldcatalog = gt_fieldcat* 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.

create object my_event_receiver.

set handler my_event_receiver->on_f4 for gr_alvgrid. perform register_f4_fields. "set cells with search help

*§3.Optionally register ENTER to raise event DATA_CHANGED.call method gr_alvgrid->register_edit_event

exportingi_event_id = cl_gui_alv_grid=>mc_evt_modified.

else.

call method gr_alvgrid->refresh_table_display* EXPORTING* is_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.

endif.endform. "DISPLAY_ALV

*&---------------------------------------------------------------------**& Form prepare_field_catalog

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*&---------------------------------------------------------------------** text*----------------------------------------------------------------------*

* -->PT_FIELDCAT text*----------------------------------------------------------------------*form prepare_field_catalog changing pt_fieldcat type lvc_t_fcat.

data ls_fcat type lvc_s_fcat .

ls_fcat-fieldname = 'BANFN' .ls_fcat-inttype = 'C' .

*ls_fcat-outputlen = '10' .ls_fcat-coltext = 'Requisition no' .ls_fcat-seltext = 'Requisition no' .append ls_fcat to pt_fieldcat .

ls_fcat-fieldname = 'BNFPO' .ls_fcat-inttype = 'N' .

*ls_fcat-outputlen = '5' .ls_fcat-coltext = 'Item no' .ls_fcat-seltext = 'Item no' .append ls_fcat to pt_fieldcat .

ls_fcat-fieldname = 'BSART' .

ls_fcat-inttype = 'C' .*ls_fcat-outputlen = '5' .ls_fcat-coltext = 'Doc Type' .ls_fcat-seltext = 'Doc Type' .append ls_fcat to pt_fieldcat .

ls_fcat-fieldname = 'BSTYP' .ls_fcat-inttype = 'C' .

*ls_fcat-outputlen = '1' .ls_fcat-coltext = 'Doc Category' .ls_fcat-seltext = 'Doc Category' .

append ls_fcat to pt_fieldcat .

ls_fcat-fieldname = 'BSAKZ' .ls_fcat-inttype = 'C' .

*ls_fcat-outputlen = '1' .ls_fcat-coltext = 'Control Indicator' .ls_fcat-seltext = 'Control Indicator' .append ls_fcat to pt_fieldcat .

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ls_fcat-fieldname = 'LOEKZ' .ls_fcat-inttype = 'C' .

*ls_fcat-outputlen = '1' .ls_fcat-coltext = 'Deletion Indicator' .

ls_fcat-seltext = 'Deletion Indicator' .append ls_fcat to pt_fieldcat .

ls_fcat-fieldname = 'STATU' .ls_fcat-inttype = 'C' .ls_fcat-f4availabl = 'X'.

*ls_fcat-outputlen = '1' .ls_fcat-coltext = 'Processing status' .ls_fcat-seltext = 'Processing Status' .append ls_fcat to pt_fieldcat .

ls_fcat-fieldname = 'ESTKZ' .ls_fcat-inttype = 'C' .

*ls_fcat-outputlen = '1' .ls_fcat-coltext = 'Creation Indicator' .ls_fcat-seltext = 'Creation Indicator' .append ls_fcat to pt_fieldcat .

ls_fcat-fieldname = 'FRGKZ' .ls_fcat-inttype = 'C' .

*ls_fcat-outputlen = '1' .ls_fcat-coltext = 'Release Indicator' .ls_fcat-seltext = 'Release Indicator' .

append ls_fcat to pt_fieldcat .

ls_fcat-fieldname = 'FRGZU' .ls_fcat-inttype = 'C' .

*ls_fcat-outputlen = '8' .ls_fcat-coltext = 'Release Status' .ls_fcat-seltext = 'Release Status' .append ls_fcat to pt_fieldcat .

endform. "prepare_field_catalog

*&---------------------------------------------------------------------**& Form update_field_catalog*&---------------------------------------------------------------------** text*----------------------------------------------------------------------*

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* -->PT_FIELDCAT text*----------------------------------------------------------------------*form update_field_catalog changing pt_fieldcat type lvc_t_fcat.

data ls_fcat type lvc_s_fcat .

call method gr_alvgrid->get_frontend_fieldcatalogimporting

et_fieldcatalog = pt_fieldcat[].

loop at pt_fieldcat into ls_fcat .if zflag = '1'.

if ls_fcat-fieldname = 'BSART' .ls_fcat-edit = 'X' .ls_fcat-f4availabl = 'X'.ls_fcat-ref_table = 'T161T'.ls_fcat-ref_field = 'BSART'. modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'BSTYP' .ls_fcat-edit = 'X' . modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'BSAKZ' .

ls_fcat-edit = 'X' . modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'LOEKZ' .ls_fcat-edit = 'X' . modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'STATU' .ls_fcat-edit = 'X' .

ls_fcat-f4availabl = 'X'.* ls_fcat-drdn_hndl = '1'.* ls_fcat-outputlen = 15.

modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'ESTKZ' .ls_fcat-edit = 'X' .

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if ls_fcat-fieldname = 'FRGKZ' .ls_fcat-edit = 'X' .

* for laready attcahed search helpls_fcat-f4availabl = 'X'.ls_fcat-ref_table = 'T161U'.ls_fcat-ref_field = 'FRGKZ'. modify pt_fieldcat from ls_fcat .endif.

if ls_fcat-fieldname = 'FRGZU' .ls_fcat-edit = 'X' . modify pt_fieldcat from ls_fcat .endif .

* add customise f4 help on feild STATU

clear gt_f4.

gs_f4-fieldname = 'STATU'.gs_f4-register = 'X'.

* gs_f4-getbefore = check_be. "§7a* gs_f4-chngeafter = chn_aft. "§7b

append gs_f4 to gt_f4.call method gr_alvgrid->register_f4_for_fieldsexportingit_f4 = gt_f4.

elseif zflag = '2'.if ls_fcat-fieldname = 'BANFN' .ls_fcat-edit = 'X' . modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'BNFPO' .ls_fcat-edit = 'X' . modify pt_fieldcat from ls_fcat .endif .

else.if ls_fcat-fieldname = 'BSART' .ls_fcat-edit = space. modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'BSTYP' .ls_fcat-edit = space .

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if ls_fcat-fieldname = 'BSAKZ' .ls_fcat-edit = space .


if ls_fcat-fieldname = 'LOEKZ' .ls_fcat-edit = space . modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'STATU' .ls_fcat-edit = space . modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'ESTKZ' .ls_fcat-edit = space . modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'FRGKZ' .ls_fcat-edit = space . modify pt_fieldcat from ls_fcat .endif .

if ls_fcat-fieldname = 'FRGZU' .ls_fcat-edit = space . modify pt_fieldcat from ls_fcat .endif .

endif.endloop .

call method gr_alvgrid->set_frontend_fieldcatalogexporting

it_fieldcatalog = pt_fieldcat[].

endform. "update_field_catalog

*&---------------------------------------------------------------------**& Form save_DB*&---------------------------------------------------------------------** text

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*----------------------------------------------------------------------*form save_db.

clear i_modified.

* data zindex(2) type numc.* Getting the selected rows indexcall method gr_alvgrid->get_selected_rowsimporting

et_index_rows = i_selected_rows.

* Through the index capturing the values of selected rowsloop at i_selected_rows into w_selected_rows.shift w_selected_rows-index left deleting leading '0'.read table gt_list into wa index w_selected_rows-index.if sy-subrc eq 0. w_modified-banfn = wa-banfn. w_modified-bnfpo = wa-bnfpo. w_modified-bsart = wa-bsart. w_modified-bstyp = wa-bstyp. w_modified-bsakz = wa-bsakz. w_modified-loekz = wa-loekz. w_modified-statu = wa-statu. w_modified-estkz = wa-estkz. w_modified-frgkz = wa-frgkz. w_modified-frgzu = wa-frgzu.

* MOVE-CORRESPONDING wa TO w_modified.append w_modified to i_modified.

* MODIFY eban from TABLE i_modified.endif.

endloop. modify eban from table i_modified.* UPDATE eban FROM TABLE i_modified.endform. "save_DB

*&---------------------------------------------------------------------**& Form register_edit*&--------------------------------------------------------------

-------** text*----------------------------------------------------------------------*form register_edit .call method gr_alvgrid->register_edit_eventexporting

i_event_id = cl_gui_alv_grid=>mc_evt_modified.

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endform. "register_edit

*----------------------------------------------------------------------*

* CLASS lcl_event_receiver IMPLEMENTATION*----------------------------------------------------------------------***----------------------------------------------------------------------*class lcl_event_receiver implementation.

*§2 implement an event handler method method on_f4. perform on_f4 using e_fieldname

es_row_no-row_id er_event_dataet_bad_cellse_displaylr_data_changed changing gt_fieldcat.

**§3 set attribute m_event_handled of er_event_data to avoid standard ** f4-help.

er_event_data->m_event_handled = 'X'.*

endmethod."on_f4

endclass. "lcl_event_receiver IMPLEMENTATION

*&---------------------------------------------------------------------**& Form register_f4_fields*&---------------------------------------------------------------------*

* text*----------------------------------------------------------------------*form register_f4_fields. "which fields will have F4 searchhelp DATA: lt_f4 TYPE lvc_t_f4 WITH HEADER LINE .data: lt_f4_data type lvc_s_f4.lt_f4_data-fieldname = 'STATU'.lt_f4_data-register = 'X' .

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* lt_f4_data-getbefore = 'X' .lt_f4_data-chngeafter ='X'.insert lt_f4_data into table gt_f4.

call method gr_alvgrid->register_f4_for_fields

exportingit_f4 = gt_f4[].endform. "register_f4_fields

*&---------------------------------------------------------------------**& Form on_f4*&---------------------------------------------------------------------** text*----------------------------------------------------------------------** -->P_E_FIELDNAME text* -->ROW_ID text* -->P_ER_EVENT_DATA text* -->P_ET_BAD_CELLS text* -->P_E_DISPLAY text* -->IR_DATA_CHANGED text* -->PT_FIELDCAT text*----------------------------------------------------------------------*form on_f4 using p_e_fieldname

row_id

p_er_event_datatype ref to cl_alv_event_data

p_et_bad_cells p_e_displayir_data_changed

type ref tocl_alv_changed_data_protocolchanging pt_fieldcat type lvc_t_fcat.

data: begin of value_charg occurs 0, "the value table that is passed to F4 fm

statu like eban-statu,* lgort like zpp_kpduzelt-lgort,* clabs like mchb-clabs,

end of value_charg.

data : ls_mod_cell type lvc_s_modi ,ls_del_cell type lvc_s_moce ,ls_good_cell type lvc_s_modi,

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lv_value type lvc_value .

data : ls_mod_row like line of gt_list.data return_tab type table of ddshretval with header line.data statu type eban-statu.

*§5 define fields and field-symbols for data-updatefield-symbols: <itab> type lvc_t_modi.data: ls_modi type lvc_s_modi.

create object ir_data_changed.

sort ir_data_changed->mt_mod_cells by row_id .

loop at ir_data_changed->mt_mod_cellsinto ls_mod_cell.endloop.

case p_e_fieldname. "read changed cell when 'STATU'.

......* here must be the code to fill in the possible values table* and the call to fm F4IF_INT_TABLE_VALUE_REQUEST

call function 'F4IF_FIELD_VALUE_REQUEST'exportingtabname = 'EBAN'fieldname = 'STATU'

* SEARCHHELP = ' '

* SHLPPARAM = ' '* DYNPPROG = ' '* DYNPNR = ' '* DYNPROFIELD = ' '* STEPL = 0* VALUE = I_HELP_VALU* MULTIPLE_CHOICE = ' '* DISPLAY = ' '* SUPPRESS_RECORDLIST = ' '* CALLBACK_PROGRAM = 'BCALV4'* CALLBACK_FORM = 'F4'

* SELECTION_SCREEN = ' '* IMPORTING* USER_RESET =

tablesreturn_tab = return_tab

exceptionsfield_not_found = 1no_help_for_field = 2

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inconsistent_help = 3no_values_found = 4others = 5

.

if sy-subrc = 0 and return_tab-fieldval <> ''. move return_tab-fieldval to statu.ls_mod_cell-row_id = row_id.ls_mod_cell-fieldname = 'STATU'. move statu to lv_value.ls_mod_cell-value = lv_value.append ls_mod_cell to ir_data_changed->mt_mod_cells.

*******************call method gr_alvgrid->get_frontend_fieldcatalogimportinget_fieldcatalog = gt_fieldcat[].

read table gt_list index row_id into wa_list.

data lp_wa type ref to data.create data lp_wa type it_list.field-symbols <ls_wa> type any.assign lp_wa->* to <ls_wa>. <ls_wa> = wa_list.

data ls_fieldcat type line of lvc_t_fcat .data:l_tabname(30) type c,

l_fieldname(30) type c.

field-symbols <l_field_value> type any.

read table gt_fieldcat with key fieldname = ls_mod_cell-fieldname into

ls_fieldcat.

move ls_fieldcat-ref_table to l_tabname. move ls_fieldcat-fieldname to l_fieldname.assign component ls_fieldcat-fieldname

of structure wa_listto <l_field_value>.

**§6 assign the cell table fieldsymbol to the dereferenced datatable*and * fill the table.

assign p_er_event_data->m_data->* to <itab>.append ls_mod_cell to <itab>.

endif.

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endcase.endform."on_f4

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oops ALV