06-18-2007 1:22 PM
Hi Experts
I have some doubt in ALV OOPS using Events. Could any one please tell me the procedure to how to handle events in oops ( Like interactive reports using events ).
Thank you
Satyendra.
06-18-2007 1:35 PM
Hello Satyendra
The following sample report shows you how to handle the event HOTSPOT_CLICK and BUTTON_CLICK.
DATA: gd_okcode TYPE ui_func,
gt_fcat TYPE lvc_t_fcat,
go_docking TYPE REF TO cl_gui_docking_container,
go_grid1 TYPE REF TO cl_gui_alv_grid.
DATA: gt_knb1 TYPE STANDARD TABLE OF knb1.
PARAMETERS: p_bukrs TYPE bukrs DEFAULT '2000' OBLIGATORY.
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, " grid instance that raised the event
handle_button_click FOR EVENT button_click OF cl_gui_alv_grid
IMPORTING
es_col_id
es_row_no
sender.
ENDCLASS. "lcl_eventhandler DEFINITION
CLASS lcl_eventhandler IMPLEMENTATION.
METHOD handle_hotspot_click.
* define local data
DATA:
ls_knb1 TYPE knb1,
ls_col_id TYPE lvc_s_col.
READ TABLE gt_knb1 INTO ls_knb1 INDEX e_row_id-index.
CHECK ( ls_knb1-kunnr IS NOT INITIAL ).
CASE e_column_id-fieldname.
WHEN 'KUNNR'.
SET PARAMETER ID 'KUN' FIELD ls_knb1-kunnr.
SET PARAMETER ID 'BUK' FIELD ls_knb1-bukrs.
CALL TRANSACTION 'XD03' AND SKIP FIRST SCREEN.
WHEN 'ERNAM'.*
SET PARAMETER ID 'USR' FIELD ls_knb1-ernam.
CALL TRANSACTION 'SU01' AND SKIP FIRST SCREEN.
WHEN OTHERS.
ENDCASE.
* Set active cell to field BUKRS otherwise the focus is still on
* field KUNNR which will always raise event HOTSPOT_CLICK
ls_col_id-fieldname = 'BUKRS'.
CALL METHOD go_grid1->set_current_cell_via_id
EXPORTING
is_row_id = e_row_id
is_column_id = ls_col_id.
ENDMETHOD. "handle_hotspot_click
METHOD handle_button_click.
* define local data
DATA:
ls_knb1 TYPE knb1.
READ TABLE gt_knb1 INTO ls_knb1 INDEX es_row_no-row_id.
CHECK ( ls_knb1-kunnr IS NOT INITIAL ).
SET PARAMETER ID 'KUN' FIELD ls_knb1-kunnr.
SET PARAMETER ID 'BUK' FIELD ls_knb1-bukrs.
CALL TRANSACTION 'XD03' AND SKIP FIRST SCREEN.
ENDMETHOD. "handle_button_click
ENDCLASS. "lcl_eventhandler IMPLEMENTATION
START-OF-SELECTION.
SELECT * FROM knb1 INTO TABLE gt_knb1
WHERE bukrs = p_bukrs
* Create docking container
CREATE OBJECT go_docking
EXPORTING
parent = cl_gui_container=>screen0
ratio = 90
EXCEPTIONS
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 ALV grid
CREATE OBJECT go_grid1
EXPORTING
i_parent = go_docking
EXCEPTIONS
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
SET HANDLER:
lcl_eventhandler=>handle_hotspot_click FOR go_grid1,
lcl_eventhandler=>handle_button_click FOR go_grid1.
* Build fieldcatalog and set hotspot for field KUNNR
PERFORM build_fieldcatalog_knb1.
* Display data
CALL METHOD go_grid1->set_table_for_first_display
CHANGING
it_outtab = gt_knb1
it_fieldcatalog = gt_fcat
EXCEPTIONS
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.
* Link the docking container to the target dynpro
CALL METHOD go_docking->link
EXPORTING
repid = syst-repid
dynnr = '0100'
* CONTAINER =
EXCEPTIONS
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.
* ok-code field = GD_OKCODE
CALL SCREEN '0100'.
END-OF-SELECTION.
MODULE status_0100 OUTPUT.
SET PF-STATUS 'STATUS_0100'.
* SET TITLEBAR 'xxx'.
ENDMODULE. " STATUS_0100 OUTPUT
MODULE user_command_0100 INPUT.
CASE gd_okcode.
WHEN 'BACK' OR
'END' OR
'CANC'.
SET SCREEN 0. LEAVE SCREEN.
WHEN OTHERS.
ENDCASE.
CLEAR: gd_okcode.
ENDMODULE. " USER_COMMAND_0100 INPUT
FORM build_fieldcatalog_knb1 .
* define local data
DATA:
ls_fcat TYPE lvc_s_fcat.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
EXPORTING
* I_BUFFER_ACTIVE =
i_structure_name = 'KNB1'
* 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.
LOOP AT gt_fcat INTO ls_fcat
WHERE ( fieldname = 'KUNNR' OR
fieldname = 'ERNAM' OR
fieldname = 'BUKRS' ).
IF ( ls_fcat-fieldname = 'BUKRS' ).
ls_fcat-style = cl_gui_alv_grid=>mc_style_button. " column appears as button
ELSE.
ls_fcat-hotspot = abap_true.
ENDIF.
MODIFY gt_fcat FROM ls_fcat.
ENDLOOP.
ENDFORM. " BUILD_FIELDCATALOG_KNB1
Regards
Uwe
06-18-2007 1:35 PM
Hello Satyendra
The following sample report shows you how to handle the event HOTSPOT_CLICK and BUTTON_CLICK.
DATA: gd_okcode TYPE ui_func,
gt_fcat TYPE lvc_t_fcat,
go_docking TYPE REF TO cl_gui_docking_container,
go_grid1 TYPE REF TO cl_gui_alv_grid.
DATA: gt_knb1 TYPE STANDARD TABLE OF knb1.
PARAMETERS: p_bukrs TYPE bukrs DEFAULT '2000' OBLIGATORY.
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, " grid instance that raised the event
handle_button_click FOR EVENT button_click OF cl_gui_alv_grid
IMPORTING
es_col_id
es_row_no
sender.
ENDCLASS. "lcl_eventhandler DEFINITION
CLASS lcl_eventhandler IMPLEMENTATION.
METHOD handle_hotspot_click.
* define local data
DATA:
ls_knb1 TYPE knb1,
ls_col_id TYPE lvc_s_col.
READ TABLE gt_knb1 INTO ls_knb1 INDEX e_row_id-index.
CHECK ( ls_knb1-kunnr IS NOT INITIAL ).
CASE e_column_id-fieldname.
WHEN 'KUNNR'.
SET PARAMETER ID 'KUN' FIELD ls_knb1-kunnr.
SET PARAMETER ID 'BUK' FIELD ls_knb1-bukrs.
CALL TRANSACTION 'XD03' AND SKIP FIRST SCREEN.
WHEN 'ERNAM'.*
SET PARAMETER ID 'USR' FIELD ls_knb1-ernam.
CALL TRANSACTION 'SU01' AND SKIP FIRST SCREEN.
WHEN OTHERS.
ENDCASE.
* Set active cell to field BUKRS otherwise the focus is still on
* field KUNNR which will always raise event HOTSPOT_CLICK
ls_col_id-fieldname = 'BUKRS'.
CALL METHOD go_grid1->set_current_cell_via_id
EXPORTING
is_row_id = e_row_id
is_column_id = ls_col_id.
ENDMETHOD. "handle_hotspot_click
METHOD handle_button_click.
* define local data
DATA:
ls_knb1 TYPE knb1.
READ TABLE gt_knb1 INTO ls_knb1 INDEX es_row_no-row_id.
CHECK ( ls_knb1-kunnr IS NOT INITIAL ).
SET PARAMETER ID 'KUN' FIELD ls_knb1-kunnr.
SET PARAMETER ID 'BUK' FIELD ls_knb1-bukrs.
CALL TRANSACTION 'XD03' AND SKIP FIRST SCREEN.
ENDMETHOD. "handle_button_click
ENDCLASS. "lcl_eventhandler IMPLEMENTATION
START-OF-SELECTION.
SELECT * FROM knb1 INTO TABLE gt_knb1
WHERE bukrs = p_bukrs
* Create docking container
CREATE OBJECT go_docking
EXPORTING
parent = cl_gui_container=>screen0
ratio = 90
EXCEPTIONS
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 ALV grid
CREATE OBJECT go_grid1
EXPORTING
i_parent = go_docking
EXCEPTIONS
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
SET HANDLER:
lcl_eventhandler=>handle_hotspot_click FOR go_grid1,
lcl_eventhandler=>handle_button_click FOR go_grid1.
* Build fieldcatalog and set hotspot for field KUNNR
PERFORM build_fieldcatalog_knb1.
* Display data
CALL METHOD go_grid1->set_table_for_first_display
CHANGING
it_outtab = gt_knb1
it_fieldcatalog = gt_fcat
EXCEPTIONS
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.
* Link the docking container to the target dynpro
CALL METHOD go_docking->link
EXPORTING
repid = syst-repid
dynnr = '0100'
* CONTAINER =
EXCEPTIONS
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.
* ok-code field = GD_OKCODE
CALL SCREEN '0100'.
END-OF-SELECTION.
MODULE status_0100 OUTPUT.
SET PF-STATUS 'STATUS_0100'.
* SET TITLEBAR 'xxx'.
ENDMODULE. " STATUS_0100 OUTPUT
MODULE user_command_0100 INPUT.
CASE gd_okcode.
WHEN 'BACK' OR
'END' OR
'CANC'.
SET SCREEN 0. LEAVE SCREEN.
WHEN OTHERS.
ENDCASE.
CLEAR: gd_okcode.
ENDMODULE. " USER_COMMAND_0100 INPUT
FORM build_fieldcatalog_knb1 .
* define local data
DATA:
ls_fcat TYPE lvc_s_fcat.
CALL FUNCTION 'LVC_FIELDCATALOG_MERGE'
EXPORTING
* I_BUFFER_ACTIVE =
i_structure_name = 'KNB1'
* 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.
LOOP AT gt_fcat INTO ls_fcat
WHERE ( fieldname = 'KUNNR' OR
fieldname = 'ERNAM' OR
fieldname = 'BUKRS' ).
IF ( ls_fcat-fieldname = 'BUKRS' ).
ls_fcat-style = cl_gui_alv_grid=>mc_style_button. " column appears as button
ELSE.
ls_fcat-hotspot = abap_true.
ENDIF.
MODIFY gt_fcat FROM ls_fcat.
ENDLOOP.
ENDFORM. " BUILD_FIELDCATALOG_KNB1
Regards
Uwe