Hi,
i am going through the example SAPSIMPLE_TREE_MODEL_DEMO
could some one give me a insight look at this areas
1.In export parameter we used 'node_selection_mode = cl_simple_tree_model=>node_sel_mode_single' creating an instance of gtree ?
*create a simple tree model instance
CREATE OBJECT g_tree
EXPORTING
node_selection_mode = cl_simple_tree_model=>node_sel_mode_single
2.wat does this mean
create the view (control) of the tree model
CALL METHOD g_tree->create_tree_control
EXPORTING
parent = g_custom_container
EXCEPTIONS
lifetime_error = 1
cntl_system_error = 2
create_error = 3
failed = 4
tree_control_already_created = 5.
IF sy-subrc <> 0.
MESSAGE a001(s).
ENDIF.
3.how are events handeled .
define the events which will be passed to the backend
" node double click
event-eventid = cl_simple_tree_model=>eventid_node_double_click.
event-appl_event = 'X'. " process PAI if event occurs
APPEND event TO events.
CALL METHOD g_tree->set_registered_events
EXPORTING
events = events
EXCEPTIONS
illegal_event_combination = 1
unknown_event = 2.
IF sy-subrc <> 0.
MESSAGE a001(s).
ENDIF.
4.for event DOUBLE_CLICK this it uses an attribute which is unique eventid , how can i find eventids for other events
Thanks.
azee.