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Processing HOTSPOT in ALV



 
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PostPosted: Wed Oct 03, 2007 3:33 pm    Post subject: Processing HOTSPOT in ALV Reply with quote

Manage hotspot with function 'REUSE_ALV_GRID_DISPLAY' :

1) If not yet done, declare type group :
Code:
TYPE-POOLS: slis.


2) Declare callback program and callback subroutine. SAP must know which subroutine of which program must be executed when clicking on a hotspot of an ALV grid :
Code:

data : w_callback_subroutine TYPE slis_formname,
       w_callback_program LIKE sy-repid.


3) Assign value to those two variables before calling ALV grid :
Code:
w_callback_program    = sy-repid.
w_callback_subroutine = 'USER_COMMAND'.


(or any other subroutine name but in UPPER CASE)

4) Define subroutine handling double-click :
Code:

FORM user_command  USING p_ucomm    LIKE sy-ucomm
                         p_selfield TYPE slis_selfield.
  CASE p_ucomm.
    WHEN '&IC1'.        " SAP standard code for double-clicking
      SET PARAMETER ID 'XXX' FIELD p_selfield-value.
      CALL TRANSACTION 'YYYY'.
  ENDCASE.

ENDFORM.


5) Call ALV grid function :
Code:
CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
     EXPORTING
          i_callback_program      = w_callback_program
          it_fieldcat             = it_fieldcat
          i_callback_user_command = w_callback_subroutine
     TABLES
          t_outtab                = it_data
     EXCEPTIONS
          program_error           = 1
          OTHERS                  = 2.


N.B. : don't forget in your catalog to set field 'HOTSPOT' to 'X' for the desired field.

Manage hotspot with function 'REUSE_ALV_LIST_DISPLAY' :

Code:
report z_hotspot_test.
************************************************************************
* TABLES AND DATA DECLARATION.
************************************************************************
*TABLES: mara,makt.",marc.
data syrepid like sy-repid.
data sydatum(10). " LIKE sy-datum.
data sypagno(3) type n.
 

* WHEN USING MORE THAN ONE TABLE IN ALV WE NEEED TO DECLARE THE TYPE
* GROUP (TYPE-POOLS--------->SLIS)
type-pools : slis.
 

************************************************************************
* INTERNAL TABLE DECLARATION.
************************************************************************
* INTERNAL TABLE TO HOLD THE VALUES FROM THE MARA TABLE
data: begin of t_mara occurs 0,
matnr like mara-matnr,
meins like mara-meins,
mtart like mara-mtart,
matkl like mara-matkl,

end of t_mara.

* INTERNAL TABLE TO HOLD THE CONTENTS FROM THE EKKO TABLE
data : begin of t_marc occurs 0,
matnr like mara-matnr,
werks like marc-werks,
minbe like marc-minbe.
data: end of t_marc.

* INTERNAL TABLE TO HOLD THE VALUES FROM MAKT TABLE.
data : begin of t_makt occurs 0,
matnr like mara-matnr,
maktx like makt-maktx,
spras like makt-spras,
end of t_makt.

* INTERNAL TABLE WHICH ACTUALLY MERGES ALL THE OTHER INTERNAL TABLES.
data: begin of itab1 occurs 0,
matnr like mara-matnr,
meins like mara-meins,
maktx like makt-maktx,
spras like makt-spras,
werks like marc-werks,
minbe like marc-minbe,
end of itab1.
 

* THE FOLLOWING DECLARATION IS USED FOR DEFINING THE FIELDCAT
* AND THE LAYOUT FOR THE ALV.
* HERE AS slis_t_fieldcat_alv IS A INTERNAL TABLE WITHOUT A HEADER LINE
* WE EXPLICITELY DEFINE AN INTERNAL TABLE OF THE SAME STRUCTURE AS THAT
* OF slis_t_fieldcat_alv BUT WITH A HEADER LINE IN THE DEFINITION.
* THIS IS DONE TO MAKE THE CODE SIMPLER.
* OTHERWISE WE MAY HAVE TO DEFINE THE STRUCTURE AS IN THE NORMAL SAP
* PROGRAMS.
* IN THE FIELDCATALOG TABLE WE ACTUALLY PASS THE FIELDS FROM ONE OR
* MORE TABLES AND CREATE A STRUCTURE
* IN THE LAYOUT STRUCTURE WE BASICALLY DEFINE THE FORMATTING OPTIONS
* LIKE DISPLAY IN THE ZEBRA PATTERN ,THE HOTSPOT OPTIONS ETC.
data: fieldcatalog type slis_t_fieldcat_alv with header line,
fieldlayout type slis_layout_alv.
 

* DECLARING THE EVENTTABLE INTERNL TABLE FOR USING EVENTS LIKE
* TOP-OF-PAGE ETC.
data : eventstab type slis_t_event with header line.

* DECLARING AN INTERNAL TABLE TO HOLD THE DATA FOR THE TOP-OF-PAGE
data : heading type slis_t_listheader with header line.
data : heading1 type slis_t_listheader with header line.
data : heading2 type slis_t_listheader with header line.
data : heading3 type slis_t_listheader with header line.
data : heading4 type slis_t_listheader with header line.
data : heading5 type slis_t_listheader with header line.
data : heading6 type slis_t_listheader with header line.
data : heading7 type slis_t_listheader with header line.
data : heading8 type slis_t_listheader with header line.
 

* STRUCTURE TO PASS THE COLOR ATTRIBUTES FOR DISPLAY.
data : colorstruct type slis_coltypes.
************************************************************************
* INITIALIZATION. *
************************************************************************
initialization.
syrepid = sy-repid.
sypagno = sy-pagno.
clear fieldcatalog.
 

************************************************************************
* START-OF-SELECTION. *
************************************************************************
start-of-selection.
* SUBROUTINE TO POPULATE THE COLORSTRUCT
perform fill_colorstruct using colorstruct.
* SUBROUTINE TO POPULATE THE FIELDS OF THE FIELD CATALOGUE
perform populate_fieldcatalog.
* SUBROUTINE TO SELECT DATA FROM VARIOUS TABLES AND POPULATE IT IN THE
* INTERNAL TABLE.
perform selectdata_and_sort.
* SUBROUTINE TO POPULATE THE LAYOUT STRUCTURE.
perform populate_layout using fieldlayout.
* SUBROUTINE TO CALL THE FUNCTION MERGE TO ENSURE PROPER DISPLAY.
perform merge_fieldcatalog.
* SUBROUTINE TO POPULATE THE EVENTSTAB.
perform fill_eventstab tables eventstab.
* SUBROUTINE TO POPULATE THE HEADING TABLES.
perform fill_headingtable tables heading using 'HEADING'.
perform fill_headingtable tables heading1 using 'HEADING1'.
perform fill_headingtable tables heading2 using 'HEADING2'.
perform fill_headingtable tables heading3 using 'HEADING3'.
perform fill_headingtable tables heading4 using 'HEADING4'.
perform fill_headingtable tables heading5 using 'HEADING5'.
perform fill_headingtable tables heading6 using 'HEADING6'.
perform fill_headingtable tables heading7 using 'HEADING7'.
perform fill_headingtable tables heading8 using 'HEADING8'.

* SUBROUTINE TO DISPLAY THE LIST.
perform display_alv_list.
 
 

************************************************************************
* FORMS
************************************************************************
* IN THIS SUBROUTINE WE POPULATE THE FIELDCATALOG TABLE WITH THE NAMES
* OF THE TABLE,FIELDNAME,WHETHER IT IS KEY FIELD OR NOT,HEADING AND
* COLUMN JUSTIFICATION.
form populate_fieldcatalog.
perform fill_fields_of_fieldcatalog tables fieldcatalog
using 'ITAB1' 'MATNR' 'X' .
perform fill_fields_of_fieldcatalog tables fieldcatalog
using 'ITAB1' 'MEINS' ' '.
perform fill_fields_of_fieldcatalog tables fieldcatalog
using 'ITAB1' 'MAKTX' ' ' .
perform fill_fields_of_fieldcatalog tables fieldcatalog
using 'ITAB1' 'MTART' ' ' .
perform fill_fields_of_fieldcatalog tables fieldcatalog
using 'ITAB1' 'MATKL' ' ' .
perform fill_fields_of_fieldcatalog tables fieldcatalog
using 'ITAB1' 'SPRAS' ' ' .
perform fill_fields_of_fieldcatalog tables fieldcatalog
using 'ITAB1' 'WERKS' ' ' .
perform fill_fields_of_fieldcatalog tables fieldcatalog
using 'ITAB1' 'MINBE' ' ' .
endform. " POPULATE_FIELDCATALOG
 

*---------------------------------------------------------------------*
* FORM FILL_FIELDS_OF_FIELDCATALOG *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
* --> FIELDCATALOG *
* --> P_TABNAME *
* --> P_FIELDNAME *
* --> P_KEY *
* --> P_KEY *
*---------------------------------------------------------------------*
form fill_fields_of_fieldcatalog tables fieldcatalog
structure fieldcatalog
using p_tabname
p_fieldname
p_key.
* p_no_out.
fieldcatalog-tabname = p_tabname.
fieldcatalog-fieldname = p_fieldname.
fieldcatalog-key = p_key.
fieldcatalog-emphasize = '1234'.
*fieldcatalog-no_out = p_no_out.
append fieldcatalog.
endform. " FILL_FIELDSOFFIELDCATALOG
 

*---------------------------------------------------------------------*
* FORM POPULATE_LAYOUT *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
* --> FIELDLAYOUT *
*---------------------------------------------------------------------*
form populate_layout using fieldlayout type slis_layout_alv.
fieldlayout-f2code = '&ETA' .
fieldlayout-zebra = 'X'.
* FOR THE WINDOW TITLE.
fieldlayout-window_titlebar = 'ALV with Events'.

fieldlayout-colwidth_optimize = 'X'.
fieldlayout-no_vline = ' '.
*fieldlayout-no_input = 'X'.
fieldlayout-confirmation_prompt = ''.
fieldlayout-key_hotspot = 'X'.
* This removes the column headings if the flag is set to 'X'
fieldlayout-no_colhead = ' '.
*fieldlayout-hotspot_fieldname = 'MAKTX'.
fieldlayout-detail_popup = 'X'.
* fieldlayout-coltab_fieldname = 'X'.
endform. " POPULATE_LAYOUT

*---------------------------------------------------------------------*
* FORM SELECTDATA_AND_SORT *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form selectdata_and_sort.
select matnr meins mtart matkl from mara
into corresponding fields of t_mara
up to 500 rows .

select matnr maktx spras from makt
into corresponding fields of t_makt
where matnr = t_mara-matnr and
spras = sy-langu.

select matnr werks minbe from marc
into corresponding fields of t_marc
where matnr = t_mara-matnr.
append t_marc.
endselect.
append t_makt.
endselect.
append t_mara.
endselect.
perform populate_itab1.
sort itab1 by matnr.
endform. " SELECTDATA_AND_SORT

*---------------------------------------------------------------------*
* FORM MERGE_FIELDCATALOG *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form merge_fieldcatalog.
call function 'REUSE_ALV_FIELDCATALOG_MERGE'
exporting
i_program_name = syrepid
i_internal_tabname = 'ITAB1'
* i_structure_name = 'COLORSTRUCT'
* I_CLIENT_NEVER_DISPLAY = 'X'
i_inclname = syrepid
changing
ct_fieldcat = fieldcatalog[]
exceptions
inconsistent_interface = 1
program_error = 2
others = 3.
endform. " MERGE_FIELDCATALOG
 

* IN THIS FUNCTION THE MINIMUM PARAMETERS THAT WE NEED TO PASS IS AS
* FOLLOWS:-
* i_callback_program --> CALLING PROGRAM NAME
* i_structure_name --> STRUCTURE NAME.
* is_layout --> LAYOUT NAME.
* it_fieldcat ---> BODY OF THE FIELD CATALOGUE INTERNAL TABLE
form display_alv_list.
call function 'REUSE_ALV_LIST_DISPLAY'
exporting
* I_INTERFACE_CHECK = ' '
i_callback_program = syrepid
* I_CALLBACK_PF_STATUS_SET = ' '
* I_CALLBACK_USER_COMMAND = ' '
i_structure_name = 'ITAB1'
is_layout = fieldlayout
it_fieldcat = fieldcatalog[]
* IT_EXCLUDING =
* IT_SPECIAL_GROUPS =
* IT_SORT =
* IT_FILTER =
* IS_SEL_HIDE =
* I_DEFAULT = 'X'
* THE FOLLOWING PARAMETER IS SET AS 'A' INORDER TO DISPLAY THE STANDARD
* TOOL BAR
i_save = 'A'
* IS_VARIANT = ' '
it_events = eventstab[]
* IT_EVENT_EXIT =
* IS_PRINT =
* I_SCREEN_START_COLUMN = 0
* I_SCREEN_START_LINE = 0
* I_SCREEN_END_COLUMN = 0
* I_SCREEN_END_LINE = 0
* IMPORTING
* E_EXIT_CAUSED_BY_CALLER =
* ES_EXIT_CAUSED_BY_USER =
tables
t_outtab = itab1
exceptions
program_error = 1
others = 2.
endform. " DISPLAY_ALV_LIST
*&---------------------------------------------------------------------*
*& Form POPULATE_ITAB1
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* --> p1 text
* <-- p2 text
*----------------------------------------------------------------------*
form populate_itab1.
loop at t_mara.
loop at t_makt where matnr = t_mara-matnr.
loop at t_marc where matnr = t_mara-matnr.
move-corresponding t_mara to itab1.
move-corresponding t_makt to itab1.
move-corresponding t_marc to itab1.
append itab1.
endloop.
endloop.
endloop.
endform. " POPULATE_ITAB1
*&---------------------------------------------------------------------*
*& Form FILL_EVENTSTAB
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* -->P_EVENTSTAB text *
*----------------------------------------------------------------------*
form fill_eventstab tables p_eventstab structure eventstab.
* WHEN THE FOLLOWING FUNCTION IS CALLED THE SYSTEM POPULATES THE
* INTERNAL TABLE EVENTSTAB WITH A LIST OF EVENTS NAME.
* AS SHOWN BELOW WHEN USING I_LIST_TYPE = 0 THE FUNCTION RETURNS 14
* EVENTS NAME.
call function 'REUSE_ALV_EVENTS_GET'
exporting
i_list_type = 0
importing
et_events = p_eventstab[]
exceptions
list_type_wrong = 1
others = 2.

* BY CALLING THE ABOVE FUNCTION WE FIRST POPULATE THE EVENTSTAB WITH
* THE PREDEFINED EVENTS AND THEN WE MOVE THE FORM NAME AS SHOWN BELOW.
* WE ASSIGN A FORM NAME TO THE EVENT AS REQUIRED BY THE USER.
* FORM NAME CAN BE ANYTHING.THE PERFORM STATEMENT FOR THIS FORM
* IS DYNAMICALY CALLED.

read table p_eventstab with key name = slis_ev_top_of_page.
if sy-subrc = 0 .
move 'TOP_OF_PAGE' to p_eventstab-form.
append p_eventstab.
endif.

read table p_eventstab with key name = slis_ev_top_of_coverpage.
if sy-subrc = 0 .
move 'TOP_OF_COVERPAGE' to p_eventstab-form.
append p_eventstab.
endif.

read table p_eventstab with key name = slis_ev_end_of_coverpage .
if sy-subrc = 0 .
move 'END_OF_COVERPAGE' to p_eventstab-form.
append p_eventstab.
endif.

read table p_eventstab with key name = slis_ev_foreign_top_of_page.
if sy-subrc = 0 .
move 'FOREIGN_TOP_OF_PAGE' to p_eventstab-form.
append p_eventstab.
endif.

read table p_eventstab with key name = slis_ev_foreign_end_of_page.
if sy-subrc = 0 .
move 'FOREIGN_END_OF_PAGE' to p_eventstab-form.
append p_eventstab.
endif.

read table p_eventstab with key name = slis_ev_list_modify.
if sy-subrc = 0 .
move 'LIST_MODIFY' to p_eventstab-form.
append p_eventstab.
endif.

read table p_eventstab with key name = slis_ev_top_of_list.
if sy-subrc = 0 .
move 'TOP_OF_LIST' to p_eventstab-form.
append p_eventstab.
endif.

read table p_eventstab with key name = slis_ev_end_of_page.
if sy-subrc = 0 .
move 'END_OF_PAGE' to p_eventstab-form.
append p_eventstab.
endif.

read table p_eventstab with key name = slis_ev_end_of_list .
if sy-subrc = 0 .
move 'END_OF_LIST' to p_eventstab-form.
append p_eventstab.
endif.
endform. " FILL_EVENTSTAB
*&---------------------------------------------------------------------*
*& Form FILL_HEADINGTABLE
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* -->P_HEADING text *
*----------------------------------------------------------------------*
form fill_headingtable tables p_heading structure heading
using tablename.
case tablename.
when 'HEADING'.
p_heading-typ = 'H'.
concatenate
' REPORT NAME:-' syrepid
' ABB Industry Pte Ltd' into p_heading-info.
append p_heading.
write sy-datum using edit mask '__/__/____' to sydatum.

concatenate
' DATE:-' sydatum ' USER: ' sy-uname 'PAGE NO:' sypagno
into p_heading-info.
append p_heading.
when 'HEADING1'.
p_heading-typ = 'H'.
p_heading-info = 'TOP-OF-COVER-PAGE'.
append p_heading.
when 'HEADING2'.
p_heading-typ = 'H'.
p_heading-info = 'END-OF-COVER-PAGE'.
append p_heading.
when 'HEADING3'.
p_heading-typ = 'H'.
p_heading-info = 'FOREIGN-TOP-OF-PAGE'.
append p_heading.
when 'HEADING4'.
p_heading-typ = 'H'.
p_heading-info = 'FOREIGN-END-OF-PAGE'.
append p_heading.
* WHEN 'HEADING5'.
* P_HEADING-TYP = 'H'.
* P_HEADING-INFO = 'LIST-MODIFY'.
* APPEND P_HEADING.
when 'HEADING6'.
p_heading-typ = 'H'.
p_heading-info = 'END-OF-PAGE'.
append p_heading.
when 'HEADING7'.
p_heading-typ = 'H'.
p_heading-info = 'END-OF-LIST'.
append p_heading.
when 'HEADING8'.
p_heading-typ = 'H'.
p_heading-info = 'TOP-OF-LIST'.
append p_heading.
endcase.
endform. " FILL_HEADINGTABLE

*---------------------------------------------------------------------*
* FORM TOP_OF_PAGE *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form top_of_page.
call function 'REUSE_ALV_COMMENTARY_WRITE'
exporting
it_list_commentary = heading[]
exceptions
others = 1.
endform.
*&---------------------------------------------------------------------*
*& Form FILL_COLORSTRUCT
*&---------------------------------------------------------------------*
* text
*----------------------------------------------------------------------*
* -->P_COLORSTRUCT text *
*----------------------------------------------------------------------*
form fill_colorstruct using p_colorstruct type slis_coltypes .
p_colorstruct-heacolfir-col = 6.
p_colorstruct-heacolfir-int = 1.
p_colorstruct-heacolfir-inv = 1.
endform. " FILL_COLORSTRUCT

*---------------------------------------------------------------------*
* FORM TOP_OF_COVERPAGE *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form top_of_coverpage.
call function 'REUSE_ALV_COMMENTARY_WRITE'
exporting
it_list_commentary = heading1[]
exceptions
others = 1.
endform.

*---------------------------------------------------------------------*
* FORM END_OF_COVERPAGE *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form end_of_coverpage.
call function 'REUSE_ALV_COMMENTARY_WRITE'
exporting
it_list_commentary = heading2[]
exceptions
others = 1.
endform.

*---------------------------------------------------------------------*
* FORM FOREIGN_TOP_OF_PAGE *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form foreign_top_of_page.
call function 'REUSE_ALV_COMMENTARY_WRITE'
exporting
it_list_commentary = heading3[]
exceptions
others = 1.

endform.

*---------------------------------------------------------------------*
* FORM FOREIGN_END_OF_PAGE *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form foreign_end_of_page.
call function 'REUSE_ALV_COMMENTARY_WRITE'
exporting
it_list_commentary = heading4[]
exceptions
others = 1.
endform.

*---------------------------------------------------------------------*
* FORM LIST_MODIFY *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
*FORM LIST_MODIFY.
* CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'
* EXPORTING
* IT_LIST_COMMENTARY = HEADING5[]
* EXCEPTIONS
* OTHERS = 1.
*ENDFORM.

*---------------------------------------------------------------------*
* FORM END_OF_PAGE *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form end_of_page.
call function 'REUSE_ALV_COMMENTARY_WRITE'
exporting
it_list_commentary = heading6[]
exceptions
others = 1.
endform.

*---------------------------------------------------------------------*
* FORM END_OF_LIST *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form end_of_list.
call function 'REUSE_ALV_COMMENTARY_WRITE'
exporting
it_list_commentary = heading7[]
exceptions
others = 1.
endform.

*---------------------------------------------------------------------*
* FORM TOP_OF_LIST *
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
form top_of_list.
call function 'REUSE_ALV_COMMENTARY_WRITE'
exporting
it_list_commentary = heading8[]
exceptions
others = 1.
endform.

*--- End of Program
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