Re: how to create.

Former Member — Wed, 05 Mar 2008 06:49:20 GMT

Hi Prakash, U can do this using ALV tree programming technique.

I am attaching one sample Code try this out:-

&----

*& Report BCALV_TREE_DEMO *

*& *

&----

*& *

&----

report bcalv_tree_demo.

class cl_gui_column_tree definition load.

class cl_gui_cfw definition load.

data tree1 type ref to cl_gui_alv_tree.

data mr_toolbar type ref to cl_gui_toolbar.

include <icon>.

include bcalv_toolbar_event_receiver.

include bcalv_tree_event_receiver.

data: toolbar_event_receiver type ref to lcl_toolbar_event_receiver.

data: gt_sflight type sflight occurs 0, "Output-Table

gt_fieldcatalog type lvc_t_fcat, "Fieldcatalog

ok_code like sy-ucomm. "OK-Code

start-of-selection.

end-of-selection.

call screen 100.

&----

*& Module PBO OUTPUT

&----

process before output

----

module pbo output.

set pf-status 'MAIN100'.

if tree1 is initial.

perform init_tree.

endif.

call method cl_gui_cfw=>flush.

endmodule. " PBO OUTPUT

&----

*& Module PAI INPUT

&----

process after input

----

module pai input.

case ok_code.

when 'EXIT' or 'BACK' or 'CANC'.

perform exit_program.

when others.

call method cl_gui_cfw=>dispatch.

endcase.

clear ok_code.

call method cl_gui_cfw=>flush.

endmodule. " PAI INPUT

&----

*& Form build_fieldcatalog

&----

build fieldcatalog for structure sflight

----

form build_fieldcatalog.

get fieldcatalog

call function 'LVC_FIELDCATALOG_MERGE'

exporting

i_structure_name = 'SFLIGHT'

changing

ct_fieldcat = gt_fieldcatalog.

sort gt_fieldcatalog by scrtext_l.

change fieldcatalog

data: ls_fieldcatalog type lvc_s_fcat.

loop at gt_fieldcatalog into ls_fieldcatalog.

case ls_fieldcatalog-fieldname.

when 'CARRID' or 'CONNID' or 'FLDATE'.

ls_fieldcatalog-no_out = 'X'.

ls_fieldcatalog-key = ''.

when 'PRICE' or 'SEATSOCC' or 'SEATSMAX' or 'PAYMENTSUM'.

ls_fieldcatalog-do_sum = 'X'.

endcase.

modify gt_fieldcatalog from ls_fieldcatalog.

endloop.

endform. " build_fieldcatalog

&----

*& Form build_hierarchy_header

&----

build hierarchy-header-information

----

-->P_L_HIERARCHY_HEADER strucxture for hierarchy-header

----

form build_hierarchy_header changing

p_hierarchy_header type treev_hhdr.

p_hierarchy_header-heading = 'Hierarchy Header'. "#EC NOTEXT

p_hierarchy_header-tooltip =

'This is the Hierarchy Header !'. "#EC NOTEXT

p_hierarchy_header-width = 30.

p_hierarchy_header-width_pix = ''.

endform. " build_hierarchy_header

&----

*& Form exit_program

&----

free object and leave program

----

form exit_program.

call method tree1->free.

leave program.

endform. " exit_program

&----

*& Form build_header

&----

build table for html_header

----

--> p1 text
<-- p2 text

----

form build_comment using

pt_list_commentary type slis_t_listheader

p_logo type sdydo_value.

data: ls_line type slis_listheader.

LIST HEADING LINE: TYPE H

clear ls_line.

ls_line-typ = 'H'.

LS_LINE-KEY: NOT USED FOR THIS TYPE

ls_line-info = 'ALV-tree-demo: flight-overview'. "#EC NOTEXT

append ls_line to pt_list_commentary.

STATUS LINE: TYPE S

clear ls_line.

ls_line-typ = 'S'.

ls_line-key = 'valid until'. "#EC NOTEXT

ls_line-info = 'January 29 1999'. "#EC NOTEXT

append ls_line to pt_list_commentary.

ls_line-key = 'time'.

ls_line-info = '2.00 pm'. "#EC NOTEXT

append ls_line to pt_list_commentary.

ACTION LINE: TYPE A

clear ls_line.

ls_line-typ = 'A'.

LS_LINE-KEY: NOT USED FOR THIS TYPE

ls_line-info = 'actual data'. "#EC NOTEXT

append ls_line to pt_list_commentary.

p_logo = 'ENJOYSAP_LOGO'.

endform. "build_comment

&----

*& Form create_hierarchy

&----

text

----

--> p1 text
<-- p2 text

----

form create_hierarchy.

data: ls_sflight type sflight,

lt_sflight type sflight occurs 0.

get data

select * from sflight into table lt_sflight

up to 200 rows . "#EC CI_NOWHERE

sort lt_sflight by carrid connid fldate.

add data to tree

data: l_carrid_key type lvc_nkey,

l_connid_key type lvc_nkey,

l_last_key type lvc_nkey.

loop at lt_sflight into ls_sflight.

on change of ls_sflight-carrid.

perform add_carrid_line using ls_sflight

changing l_carrid_key.

endon.

on change of ls_sflight-connid.

perform add_connid_line using ls_sflight

l_carrid_key

changing l_connid_key.

endon.

perform add_complete_line using ls_sflight

l_connid_key

changing l_last_key.

endloop.

calculate totals

call method tree1->update_calculations.

this method must be called to send the data to the frontend

call method tree1->frontend_update.

endform. " create_hierarchy

&----

*& Form add_carrid_line

&----

add hierarchy-level 1 to tree

----

-->P_LS_SFLIGHT sflight
-->P_RELEATKEY relatkey
<-->p_node_key new node-key

----

form add_carrid_line using ps_sflight type sflight

p_relat_key type lvc_nkey

changing p_node_key type lvc_nkey.

data: l_node_text type lvc_value,

ls_sflight type sflight.

set item-layout

data: lt_item_layout type lvc_t_layi,

ls_item_layout type lvc_s_layi.

ls_item_layout-t_image = '@3P@'.

ls_item_layout-fieldname = tree1->c_hierarchy_column_name.

ls_item_layout-style =

cl_gui_column_tree=>style_intensifd_critical.

append ls_item_layout to lt_item_layout.

add node

l_node_text = ps_sflight-carrid.

data: ls_node type lvc_s_layn.

ls_node-n_image = space.

ls_node-exp_image = space.

call method tree1->add_node

exporting

i_relat_node_key = p_relat_key

i_relationship = cl_gui_column_tree=>relat_last_child

i_node_text = l_node_text

is_outtab_line = ls_sflight

is_node_layout = ls_node

it_item_layout = lt_item_layout

importing

e_new_node_key = p_node_key.

endform. " add_carrid_line

&----

*& Form add_connid_line

&----

add hierarchy-level 2 to tree

----

-->P_LS_SFLIGHT sflight
-->P_RELEATKEY relatkey
<-->p_node_key new node-key

----

form add_connid_line using ps_sflight type sflight

p_relat_key type lvc_nkey

changing p_node_key type lvc_nkey.

data: l_node_text type lvc_value,

ls_sflight type sflight.

set item-layout

data: lt_item_layout type lvc_t_layi,

ls_item_layout type lvc_s_layi.

ls_item_layout-t_image = '@3Y@'.

ls_item_layout-style =

cl_gui_column_tree=>style_intensified.

ls_item_layout-fieldname = tree1->c_hierarchy_column_name.

append ls_item_layout to lt_item_layout.

add node

l_node_text = ps_sflight-connid.

call method tree1->add_node

exporting

i_relat_node_key = p_relat_key

i_relationship = cl_gui_column_tree=>relat_last_child

i_node_text = l_node_text

is_outtab_line = ls_sflight

it_item_layout = lt_item_layout

importing

e_new_node_key = p_node_key.

endform. " add_connid_line

&----

*& Form add_cmplete_line

&----

add hierarchy-level 3 to tree

----

-->P_LS_SFLIGHT sflight
-->P_RELEATKEY relatkey
<-->p_node_key new node-key

----

form add_complete_line using ps_sflight type sflight

p_relat_key type lvc_nkey

changing p_node_key type lvc_nkey.

data: l_node_text type lvc_value.

set item-layout

data: lt_item_layout type lvc_t_layi,

ls_item_layout type lvc_s_layi.

ls_item_layout-fieldname = tree1->c_hierarchy_column_name.

ls_item_layout-class = cl_gui_column_tree=>item_class_checkbox.

ls_item_layout-editable = 'X'.

append ls_item_layout to lt_item_layout.

clear ls_item_layout.

ls_item_layout-fieldname = 'PLANETYPE'.

ls_item_layout-alignment = cl_gui_column_tree=>align_right.

append ls_item_layout to lt_item_layout.

l_node_text = ps_sflight-fldate.

data: ls_node type lvc_s_layn.

ls_node-n_image = space.

ls_node-exp_image = space.

call method tree1->add_node

exporting

i_relat_node_key = p_relat_key

i_relationship = cl_gui_column_tree=>relat_last_child

is_outtab_line = ps_sflight

i_node_text = l_node_text

is_node_layout = ls_node

it_item_layout = lt_item_layout

importing

e_new_node_key = p_node_key.

endform. " add_complete_line

&----

*& Form register_events

&----

text

----

--> p1 text
<-- p2 text

----

form register_events.

define the events which will be passed to the backend

data: lt_events type cntl_simple_events,

l_event type cntl_simple_event.

define the events which will be passed to the backend

l_event-eventid = cl_gui_column_tree=>eventid_expand_no_children.

append l_event to lt_events.

l_event-eventid = cl_gui_column_tree=>eventid_checkbox_change.

append l_event to lt_events.

l_event-eventid = cl_gui_column_tree=>eventid_header_context_men_req.

append l_event to lt_events.

l_event-eventid = cl_gui_column_tree=>eventid_node_context_menu_req.

append l_event to lt_events.

l_event-eventid = cl_gui_column_tree=>eventid_item_context_menu_req.

append l_event to lt_events.

l_event-eventid = cl_gui_column_tree=>eventid_header_click.

append l_event to lt_events.

l_event-eventid = cl_gui_column_tree=>eventid_item_keypress.

append l_event to lt_events.

call method tree1->set_registered_events

exporting

events = lt_events

exceptions

cntl_error = 1

cntl_system_error = 2

illegal_event_combination = 3.

if sy-subrc <> 0.

message x208(00) with 'ERROR'. "#EC NOTEXT

endif.

set Handler

data: l_event_receiver type ref to lcl_tree_event_receiver.

create object l_event_receiver.

set handler l_event_receiver->handle_node_ctmenu_request

for tree1.

set handler l_event_receiver->handle_node_ctmenu_selected

for tree1.

set handler l_event_receiver->handle_item_ctmenu_request

for tree1.

set handler l_event_receiver->handle_item_ctmenu_selected

for tree1.

endform. " register_events

&----

*& Form change_toolbar

&----

text

----

--> p1 text
<-- p2 text

----

form change_toolbar.

get toolbar control

call method tree1->get_toolbar_object

importing

er_toolbar = mr_toolbar.

check not mr_toolbar is initial.

add seperator to toolbar

call method mr_toolbar->add_button

exporting

fcode = ''

icon = ''

butn_type = cntb_btype_sep

text = ''

quickinfo = 'This is a Seperator'. "#EC NOTEXT

add Standard Button to toolbar (for Delete Subtree)

call method mr_toolbar->add_button

exporting

fcode = 'DELETE'

icon = '@18@'

butn_type = cntb_btype_button

text = ''

quickinfo = 'Delete subtree'. "#EC NOTEXT

add Dropdown Button to toolbar (for Insert Line)

call method mr_toolbar->add_button

exporting

fcode = 'INSERT_LC'

icon = '@17@'

butn_type = cntb_btype_dropdown

text = ''

quickinfo = 'Insert Line'. "#EC NOTEXT

set event-handler for toolbar-control

create object toolbar_event_receiver.

set handler toolbar_event_receiver->on_function_selected

for mr_toolbar.

set handler toolbar_event_receiver->on_toolbar_dropdown

for mr_toolbar.

endform. " change_toolbar

&----

*& Form init_tree

&----

text

----

--> p1 text
<-- p2 text

----

form init_tree.

create fieldcatalog for structure sflight

perform build_fieldcatalog.

create container for alv-tree

data: l_tree_container_name(30) type c,

l_custom_container type ref to cl_gui_custom_container.

l_tree_container_name = 'TREE1'.

if sy-batch is initial.

create object l_custom_container

exporting

container_name = l_tree_container_name

exceptions

cntl_error = 1

cntl_system_error = 2

create_error = 3

lifetime_error = 4

lifetime_dynpro_dynpro_link = 5.

if sy-subrc <> 0.

message x208(00) with 'ERROR'. "#EC NOTEXT

endif.

create tree control

create object tree1

exporting

parent = l_custom_container

node_selection_mode = cl_gui_column_tree=>node_sel_mode_single

item_selection = 'X'

no_html_header = ''

no_toolbar = ''

exceptions

cntl_error = 1

cntl_system_error = 2

create_error = 3

lifetime_error = 4

illegal_node_selection_mode = 5

failed = 6

illegal_column_name = 7.

if sy-subrc <> 0.

message x208(00) with 'ERROR'. "#EC NOTEXT

endif.

create Hierarchy-header

data l_hierarchy_header type treev_hhdr.

perform build_hierarchy_header changing l_hierarchy_header.

create info-table for html-header

data: lt_list_commentary type slis_t_listheader,

l_logo type sdydo_value.

perform build_comment using

lt_list_commentary

l_logo.

repid for saving variants

data: ls_variant type disvariant.

ls_variant-report = sy-repid.

create emty tree-control

call method tree1->set_table_for_first_display

exporting

is_hierarchy_header = l_hierarchy_header

it_list_commentary = lt_list_commentary

i_logo = l_logo

i_background_id = 'ALV_BACKGROUND'

i_save = 'A'

is_variant = ls_variant

changing

it_outtab = gt_sflight "table must be emty !!

it_fieldcatalog = gt_fieldcatalog.

create hierarchy

perform create_hierarchy.

add own functioncodes to the toolbar

perform change_toolbar.

perform register_events.

adjust column_width
call method tree1->COLUMN_OPTIMIZE.

endform. " init_tree

Edited by: Sandipan Ghosh on Mar 5, 2008 7:50 AM

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how to create.

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Re: how to create.