06-08-2006 2:14 PM
Hi all,
I created trees which displays kunnr value of kna1 table.My requirement is whenever i double click on that kunnr it must display the sales document number from the vbak table for that corresponding kunnr value..
how to use user command in trees.....
Regards,
Deepa
06-08-2006 2:20 PM
hii
Insert the following code into the PBO of the screen after the ALVtree has been created.
i.e after 'CALL METHOD gd_tree>set_table_for_first_display' has been executed.
*&---------------------------------------------------------------------*
*& 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 = <b>cl_gui_column_tree=>eventid_item_double_click.
append l_event to lt_events.</b>
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 gd_tree->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 gd_tree.
set handler l_event_receiver->handle_node_ctmenu_selected
for gd_tree.
set handler l_event_receiver->handle_item_ctmenu_request
for gd_tree.
set handler l_event_receiver->handle_item_ctmenu_selected
for gd_tree.
<b>set handler l_event_receiver->handle_item_double_click
for gd_tree.</b>
set handler l_event_receiver->handle_header_click
for gd_tree.
Define class to handle user interaction other than via toolbar buttons. Insert at end of DATA declaration
section but before any ABAP processing.
*----------------------------------------------------------------------*
* INCLUDE BCALV_TREE_EVENT_RECEIVER *
*----------------------------------------------------------------------*
CLASS lcl_tree_event_receiver DEFINITION.
PUBLIC SECTION.
METHODS handle_node_ctmenu_request
FOR EVENT node_context_menu_request OF cl_gui_alv_tree
IMPORTING node_key
menu.
METHODS handle_node_ctmenu_selected
FOR EVENT node_context_menu_selected OF cl_gui_alv_tree
IMPORTING node_key
fcode.
METHODS handle_item_ctmenu_request
FOR EVENT item_context_menu_request OF cl_gui_alv_tree
IMPORTING node_key
fieldname
menu.
METHODS handle_item_ctmenu_selected
FOR EVENT item_context_menu_selected OF cl_gui_alv_tree
IMPORTING node_key
fieldname
fcode.
<b>METHODS handle_item_double_click
FOR EVENT item_double_click OF cl_gui_alv_tree
IMPORTING node_key
fieldname.</b>
METHODS handle_button_click
FOR EVENT button_click OF cl_gui_alv_tree
IMPORTING node_key
fieldname.
METHODS handle_link_click
FOR EVENT link_click OF cl_gui_alv_tree
IMPORTING node_key
fieldname.
METHODS handle_header_click
FOR EVENT header_click OF cl_gui_alv_tree
IMPORTING fieldname.
ENDCLASS.
*---------------------------------------------------------------------*
* CLASS lcl_tree_event_receiver IMPLEMENTATION
*---------------------------------------------------------------------*
* ........ *
*---------------------------------------------------------------------*
CLASS lcl_tree_event_receiver IMPLEMENTATION.
METHOD handle_node_ctmenu_request.
* append own functions
CALL METHOD menu->add_function
EXPORTING fcode = 'USER1'
text = 'Usercmd 1'. "#EC NOTEXT
CALL METHOD menu->add_function
EXPORTING fcode = 'USER2'
text = 'Usercmd 2'. "#EC NOTEXT
CALL METHOD menu->add_function
EXPORTING fcode = 'USER3'
text = 'Usercmd 3'. "#EC NOTEXT
ENDMETHOD.
METHOD handle_node_ctmenu_selected.
CASE fcode.
WHEN 'USER1' OR 'USER2' OR 'USER3'.
MESSAGE i000(0h) WITH 'Node-Context-Menu on Node ' node_key
'fcode : ' fcode. "#EC NOTEXT
ENDCASE.
ENDMETHOD.
METHOD handle_item_ctmenu_request .
* append own functions
CALL METHOD menu->add_function
EXPORTING fcode = 'USER1'
text = 'Usercmd 1'.
CALL METHOD menu->add_function
EXPORTING fcode = 'USER2'
text = 'Usercmd 2'.
CALL METHOD menu->add_function
EXPORTING fcode = 'USER3'
text = 'Usercmd 3'.
ENDMETHOD.
METHOD handle_item_ctmenu_selected.
CASE fcode.
WHEN 'USER1' OR 'USER2' OR 'USER3'.
MESSAGE i000(0h) WITH 'Item-Context-Menu on Node ' node_key
'Fieldname : ' fieldname. "#EC NOTEXT
ENDCASE.
ENDMETHOD.
METHOD handle_item_double_click.
* Processing for when user double clicks on ALVtree
ENDMETHOD.
METHOD handle_button_click.
* Processing when user clicks button
ENDMETHOD.
METHOD handle_link_click.
* ??
ENDMETHOD.
METHOD handle_header_click.
* Processing for when user clicks on ALVtree column headers
ENDMETHOD.
ENDCLASS.
regards
Naresh
06-08-2006 2:28 PM
hi
refer to <b>BCALV_TREE_02</b>
for event handling in trees
u can also search <b>bcalv*</b> in se38 & can alist of alv tree programs
plz reward if useful
06-08-2006 2:29 PM
Hi,
you should have local event handler method to respond the double click on item.
METHODS handle_item_double_click
FOR EVENT item_double_click OF cl_gui_alv_tree
IMPORTING node_key
fieldname.
the above one should be implemented and then need to set the handler.
in the implementation get the order number and set the parameter id, and then call transaction TCODE skip initial screen ..
Regards
vijay
06-08-2006 2:40 PM
Hi,
Refer the demo program :
SAPSIMPLE_TREE_CONTROL_DEMO
<b>Reward points if it helps.</b>
06-08-2006 5:37 PM
hi contact,
check this link:
http://www.sapdevelopment.co.uk/reporting/alv/alvtree%5Calvtree_basic.htm
reward if helpful.
regards,
keerthi.