block alv....

[Former Member]

"can any one give me a code sample of block alv?"

[Former Member]

you must have a look at this function.

call function 'REUSE_ALV_BLOCK_LIST_APPEND'

this is the one which is actually doing the Block listing

[Former Member]

HI,

try this

REPORT zanid_test MESSAGE-ID zz.

*

----

---

• Declarations for BLOCK ALV DISPLAY

----

---

*--type pools

TYPE-POOLS:slis.

DATA:x_layout TYPE slis_layout_alv,

t_field TYPE slis_t_fieldcat_alv,

*--field catalog

x_fldcat LIKE LINE OF t_field,

*--to hold all the events

t_events TYPE slis_t_event,

x_events TYPE slis_alv_event,

t_sort TYPE slis_t_sortinfo_alv,

x_sort LIKE LINE OF t_sort ,

*--Print Layout

x_print_layout TYPE slis_print_alv.

*----Macro to add field catalog.

*field "text "length "tech "COL_POS "DATATYPE "DDIC_OUTPUTLEN

DEFINE add_catalog.

clear x_fldcat.

x_fldcat-fieldname = &1.

x_fldcat-seltext_m = &2.

x_fldcat-outputlen = &3.

x_fldcat-tech = &4.

x_fldcat-col_pos = &5.

x_fldcat-no_zero = 'X'.

x_fldcat-ddictxt = 'M'.

x_fldcat-datatype = &6.

x_fldcat-ddic_outputlen = &7.

if &6 = 'N'.

x_fldcat-lzero = 'X'.

endif.

*--build field catalog

append x_fldcat to t_field.

END-OF-DEFINITION.

*----- data declerations.

data: v_repid like sy-repid.

data: begin of itab occurs 0,

matnr like mara-matnr,

ernam like mara-ernam,

meins like mara-meins,

end of itab.

data: begin of jtab occurs 0,

matnr like makt-matnr,

maktx like makt-maktx,

end of jtab.

select matnr ernam meins

up to 20 rows

from mara

into table itab.

select matnr maktx

up to 20 rows

from makt

into table jtab.

v_repid = sy-repid.

*DISPLAY alv

• Initialize Block

call function 'REUSE_ALV_BLOCK_LIST_INIT'

exporting

i_callback_program = v_repid.

*Block 1:

*INITIALIZE

refresh t_field. clear t_field.

refresh t_events.

*field "text "length "tech "COL_POS "DATATYPE "DDIC_OUTPUTLEN

add_catalog:

'MATNR' 'Material' '18' '' '1' 'C' '18',

'ERNAM' 'Created By' '12' '' '2' 'C' '12',

'MEINS' 'Unit' '5' '' '3' 'C' '3'.

*--build table for events.

x_events-form = 'TOP_OF_LIST1'.

x_events-name = slis_ev_top_of_list.

append x_events to t_events.

call function 'REUSE_ALV_BLOCK_LIST_APPEND'

exporting

is_layout = x_layout

it_fieldcat = t_field

i_tabname = 'ITAB'

it_events = t_events

it_sort = t_sort

tables

t_outtab = itab

exceptions

program_error = 1

maximum_of_appends_reached = 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.

*--BLOCK 2(SUMMARY REPORT)

*INITIALIZE

refresh t_field. clear t_field.

refresh t_events.

*field "text "length "tech "COL_POS "DATATYPE "DDIC_OUTPUTLEN

add_catalog:

'MATNR' 'Material' '20' '' '1' 'C' '18',

'MAKTX' 'Description' '40' '' '2' 'C' '40'.

*--build table for events.

x_events-form = 'TOP_OF_LIST2'.

x_events-name = slis_ev_top_of_list.

append x_events to t_events.

• Append table block.

call function 'REUSE_ALV_BLOCK_LIST_APPEND'

exporting

is_layout = x_layout

it_fieldcat = t_field

i_tabname = 'JTAB'

it_events = t_events

tables

t_outtab = jtab

exceptions

program_error = 1

maximum_of_appends_reached = 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.

*--CALL FM TO DISPLAY THE BLOCK REPORT.

call function 'REUSE_ALV_BLOCK_LIST_DISPLAY'

• exporting

• is_print = x_print_layout

exceptions

program_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.

form top_of_list1.

skip 1.

write: 10 'List 1',

/5 '----

---

'.

skip 1.

format reset.

endform.

form top_of_list2.

skip 1.

write: 10 'List 2',

/5 '----

---

'.

skip 1.

format reset.

endform.

[Former Member]

you must have a look at this function.

call function 'REUSE_ALV_BLOCK_LIST_APPEND'

this is the one which is actually doing the Block listing

[Former Member]

you can have a look at this also

REPORT zcdf_alv.

DATA:

r_dyn_table TYPE REF TO data,

r_wa_dyn_table TYPE REF TO data,

r_dock_ctnr TYPE REF TO cl_gui_docking_container,

r_alv_grid TYPE REF TO cl_gui_alv_grid,

t_fieldcat1 TYPE lvc_t_fcat, "with cell color

t_fieldcat2 TYPE lvc_t_fcat, "without cell color

wa_fieldcat LIKE LINE OF t_fieldcat1,

wa_cellcolors TYPE LINE OF lvc_t_scol,

wa_is_layout TYPE lvc_s_layo.

FIELD-SYMBOLS:

<t_dyn_table> TYPE STANDARD TABLE,

<wa_dyn_table> TYPE ANY,

<t_cellcolors> TYPE lvc_t_scol,

<w_field> TYPE ANY.

START-OF-SELECTION.

• Build field catalog based on your criteria.

wa_fieldcat-fieldname = 'FIELD1'.

wa_fieldcat-inttype = 'C'.

wa_fieldcat-outputlen = '10'.

wa_fieldcat-coltext = 'My Field 1'.

wa_fieldcat-seltext = wa_fieldcat-coltext.

APPEND wa_fieldcat TO t_fieldcat1.

wa_fieldcat-fieldname = 'FIELD2'.

wa_fieldcat-inttype = 'C'.

wa_fieldcat-outputlen = '10'.

wa_fieldcat-coltext = 'My Field 2'.

wa_fieldcat-seltext = wa_fieldcat-coltext.

APPEND wa_fieldcat TO t_fieldcat1.

t_fieldcat2[] = t_fieldcat1[].

wa_fieldcat-fieldname = 'T_CELLCOLORS'.

wa_fieldcat-ref_field = 'COLTAB'.

wa_fieldcat-ref_table = 'CALENDAR_TYPE'.

APPEND wa_fieldcat TO t_fieldcat1.

CALL METHOD cl_alv_table_create=>create_dynamic_table

EXPORTING

it_fieldcatalog = t_fieldcat1

IMPORTING

ep_table = r_dyn_table

EXCEPTIONS

generate_subpool_dir_full = 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.

ASSIGN r_dyn_table->* TO <t_dyn_table>.

CREATE DATA r_wa_dyn_table LIKE LINE OF <t_dyn_table>.

ASSIGN r_wa_dyn_table->* TO <wa_dyn_table>.

fields. A

ASSIGN COMPONENT 'FIELD1' OF STRUCTURE <wa_dyn_table> TO <w_field>.

<w_field> = 'ABC'.

ASSIGN COMPONENT 'FIELD2' OF STRUCTURE <wa_dyn_table> TO <w_field>.

<w_field> = 'XYZ'.

APPEND <wa_dyn_table> TO <t_dyn_table>.

ASSIGN COMPONENT 'FIELD1' OF STRUCTURE <wa_dyn_table> TO <w_field>.

<w_field> = 'TUV'.

ASSIGN COMPONENT 'FIELD2' OF STRUCTURE <wa_dyn_table> TO <w_field>.

<w_field> = 'DEF'.

APPEND <wa_dyn_table> TO <t_dyn_table>.

LOOP AT <t_dyn_table> INTO <wa_dyn_table>.

ASSIGN COMPONENT 'FIELD2' OF STRUCTURE <wa_dyn_table> TO <w_field>.

• Get access to internal table used to color cells.

ASSIGN COMPONENT 'T_CELLCOLORS'

OF STRUCTURE <wa_dyn_table> TO <t_cellcolors>.

CLEAR wa_cellcolors.

wa_cellcolors-fname = 'FIELD2'.

IF <w_field> = 'DEF'.

wa_cellcolors-color-col = '7'.

ELSE.

wa_cellcolors-color-col = '5'.

ENDIF.

APPEND wa_cellcolors TO <t_cellcolors>.

MODIFY <t_dyn_table> FROM <wa_dyn_table>.

ENDLOOP.

• Display screen. Define screen 100 as empty, with next screen

• set to 0 and flow logic of:

*

• PROCESS BEFORE OUTPUT.

• MODULE initialization.

*

• PROCESS AFTER INPUT.

CALL SCREEN 100.

----

---

• MODULE initialization OUTPUT

----

---

MODULE initialization OUTPUT.

• Set up for ALV display.

IF r_dock_ctnr IS INITIAL.

CREATE OBJECT r_dock_ctnr

EXPORTING

side = cl_gui_docking_container=>dock_at_left

ratio = '90'.

CREATE OBJECT r_alv_grid

EXPORTING i_parent = r_dock_ctnr.

• Set ALV controls for cell coloring table.

wa_is_layout-ctab_fname = 'T_CELLCOLORS'.

• Display.

CALL METHOD r_alv_grid->set_table_for_first_display

EXPORTING

is_layout = wa_is_layout

CHANGING

it_outtab = <t_dyn_table>

it_fieldcatalog = t_fieldcat2.

ELSE. "grid already prepared

• Refresh display.

CALL METHOD r_alv_grid->refresh_table_display

EXPORTING

i_soft_refresh = ' '

EXCEPTIONS

finished = 1

OTHERS = 2.

ENDIF.

ENDMODULE. " initialization OUTPUT