Re: CL_GUI_COLUMN_TREE

Former Member — Tue, 24 Apr 2007 09:03:05 GMT

hi,

check the demo programs

SAPCOLUMN_TREE_CONTROL_DEMO

BCALV_TREE_DEMO

http://www.sapdevelopment.co.uk/reporting/alv/alvtree/alvtree_mainsetup.htm

sample pg:

report z message-id tree_control_msg.

----

Data declaration

----

constants c_width type i value 500.

class lcl_application definition deferred.

class cl_gui_cfw definition load.

types: item_table_type like standard table of mtreeitm

with default key.

data: g_application type ref to lcl_application,

splitter_h type ref to cl_gui_splitter_container,

g_gui_container type ref to cl_gui_container,

g_gui_container_r type ref to cl_gui_container,

g_tree type ref to cl_gui_column_tree,

*------node key = CCCCPPPPSSSS

\--/ Company t001-bukrs
\--/ Plant t001k-bwkey
\--/ Storage Location t001l-lgort

g_cntl type ref to cl_gui_toolbar,

g_ok_code type sy-ucomm. "screen 100 field (only)

----

CLASS LCL_APPLICATION DEFINITION

----

class lcl_application definition.

public section.

*--- methods for nodes and items of tree

methods:

handle_node_double_click

for event node_double_click

of cl_gui_column_tree

importing node_key,

handle_header_click

for event header_click

of cl_gui_column_tree

importing header_name,

handle_expand_no_children

for event expand_no_children

of cl_gui_column_tree

importing node_key,

handle_item_double_click

for event item_double_click

of cl_gui_column_tree

importing node_key item_name,

handle_button_click

for event button_click

of cl_gui_column_tree

importing node_key item_name,

handle_link_click

for event link_click

of cl_gui_column_tree

importing node_key item_name,

handle_checkbox_change

for event checkbox_change

of cl_gui_column_tree

importing node_key item_name checked,

*--- methods for sap toolbar

handle_pushbutton_click

for event function_selected

of cl_gui_toolbar

importing fcode,

*--- methods for context menus for nodes and items of tree

handle_node_context_menu_req

for event node_context_menu_request

of cl_gui_column_tree

importing node_key menu,

handle_node_context_menu_sel

for event node_context_menu_select

of cl_gui_column_tree

importing node_key fcode,

handle_header_context_menu_req

for event header_context_menu_request

of cl_gui_column_tree

importing header_name menu,

handle_header_context_menu_sel

for event header_context_menu_select

of cl_gui_column_tree

importing header_name fcode,

handle_dft_context_menu_req

for event default_context_menu_request

of cl_gui_column_tree

importing menu,

handle_dft_context_menu_sel

for event default_context_menu_select

of cl_gui_column_tree

importing fcode.

endclass.

----

CLASS LCL_APPLICATION IMPLEMENTATION

----

class lcl_application implementation.

method handle_node_double_click.

data: text1 type string,

text2 type string,

text3 type string.

if node_key(4) <> 'Root'.

concatenate 'Company:' node_key(4) into text1 separated by space.

endif.

if node_key+4(4) <> space.

concatenate 'Plant:' node_key+4(4) into text2 separated by space.

endif.

if node_key+8(4) <> space.

concatenate 'Storage Location:' node_key+8(4) into text3

separated by space.

endif.

message i398(00) with 'Handle' text1 text2 text3.

endmethod.

method handle_header_click.

message i398(00) with 'Handle header:' header_name.

endmethod.

method handle_item_double_click.

data: text0 type string,

text1 type string,

text2 type string,

text3 type string.

case item_name.

when 'Column1'. text0 = 'Handle code for'.

when 'Column2'. text0 = 'Handle name for'.

when 'Column3'. text0 = 'Handle city for'.

when others. text0 = 'Handle'.

endcase.

if node_key(4) <> 'Root'.

concatenate 'Company:' node_key(4) into text1 separated by space.

endif.

if node_key+4(4) <> space.

concatenate 'Plant:' node_key+4(4) into text2 separated by space.

endif.

if node_key+8(4) <> space.

concatenate 'Storage Location:' node_key+8(4) into text3

separated by space.

endif.

message i398(00) with text0 text1 text2 text3.

endmethod.

method handle_link_click.

endmethod.

method handle_button_click.

endmethod.

method handle_checkbox_change.

endmethod.

method handle_expand_no_children.

data: node_table type treev_ntab,

node type treev_node,

item_table type item_table_type,

item type mtreeitm,

wa_t001l type t001l.

select lgort lgobe from t001l

into (wa_t001l-lgort, wa_t001l-lgobe)

where werks = node_key+4.

clear node.

node-node_key = node_key.

node-node_key+8 = wa_t001l-lgort.

node-relatkey = node_key.

node-relatship = cl_gui_column_tree=>relat_last_child.

append node to node_table.

clear item.

item-node_key = node-node_key.

item-item_name = 'Column1'.

item-class = cl_gui_column_tree=>item_class_text.

item-font = cl_gui_column_tree=>item_font_default.

item-text = wa_t001l-lgort.

item-t_image = '@AC@'.

item-usebgcolor = 'X'.

append item to item_table.

clear item.

item-node_key = node-node_key.

item-item_name = 'Column2'.

item-class = cl_gui_column_tree=>item_class_text.

item-font = cl_gui_column_tree=>item_font_default.

item-text = wa_t001l-lgobe.

append item to item_table.

endselect.

call method g_tree->add_nodes_and_items

exporting

node_table = node_table

item_table = item_table

item_table_structure_name = 'MTREEITM'

exceptions

failed = 1

cntl_system_error = 3

error_in_tables = 4

dp_error = 5

table_structure_name_not_found = 6.

if sy-subrc <> 0.

message a000.

endif.

endmethod.

method handle_pushbutton_click.

data level type i.

case fcode.

when 'COMPANY'. level = 0.

when 'PLANT'. level = 1.

when 'STORAGE'. level = 2.

when 'COLLAPSE'. level = -1.

endcase.

call method g_tree->collapse_all_nodes.

if level >= 0.

call method g_tree->expand_node exporting node_key = 'Root'

level_count = level

expand_subtree = space.

endif.

endmethod.

method handle_node_context_menu_req.

data: text type gui_text.

if node_key(4) <> 'Root'.

concatenate 'Company:' node_key(4) into text separated by space.

call method menu->add_function

exporting text = text

fcode = 'COMPANY'.

endif.

if node_key+4(4) <> space.

concatenate 'Plant:' node_key+4(4) into text separated by space.

call method menu->add_function

exporting text = text

fcode = 'PLANT'.

endif.

if node_key+8(4) <> space.

concatenate 'Storage Location:' node_key+8(4) into text

separated by space.

call method menu->add_function

exporting text = text

fcode = 'STORAGE'.

endif.

text = 'About...'.

call method menu->add_function

exporting text = text

fcode = 'ABOUT'.

endmethod.

method handle_node_context_menu_sel.

data text type string.

case fcode.

when 'COMPANY'.

concatenate 'Do something for company' node_key(4)

into text separated by space.

when 'PLANT'.

concatenate 'Do something for plant' node_key+4(4)

into text separated by space.

when 'STORAGE'.

concatenate 'Do something for storage location' node_key+8(4)

into text separated by space.

when 'ABOUT'. text = 'Object Oriented Abap Demo'.

endcase.

message i398(00) with text.

endmethod.

method handle_header_context_menu_req.

data: text type gui_text.

concatenate 'Header:' header_name into text separated by space.

call method menu->add_function

exporting text = text

fcode = 'HEADER'.

text = 'About...'.

call method menu->add_function

exporting text = text

fcode = 'ABOUT'.

endmethod.

method handle_header_context_menu_sel.

data text type string.

case fcode.

when 'HEADER'.

concatenate 'Do something for header' header_name

into text separated by space.

when 'ABOUT'. text = 'Object Oriented Abap Demo'.

endcase.

message i398(00) with text.

endmethod.

method handle_dft_context_menu_req.

data: text type gui_text.

text = 'About...'.

call method menu->add_function

exporting text = text

fcode = 'ABOUT'.

text = 'Exit...'.

call method menu->add_function

exporting text = text

fcode = 'BYE'.

endmethod.

method handle_dft_context_menu_sel.

case fcode.

when 'ABOUT'. message i398(00) with 'Object Oriented Abap Demo'.

when 'BYE'.

perform finish_program.

leave program.

endcase.

endmethod.

endclass.

----

MODULE PBO_100 OUTPUT *

----

module pbo_100 output.

set pf-status 'MAIN'.

if g_tree is initial.

perform create_and_init_tree.

endif.

endmodule. " PBO_0100 OUTPUT

----

MODULE PAI_100 INPUT *

----

module pai_100 input.

data: return_code type i.

CL_GUI_CFW=>DISPATCH must be called if events are registered
that trigger PAI
this method calls the event handler method of an event

call method cl_gui_cfw=>dispatch

importing return_code = return_code.

if return_code <> cl_gui_cfw=>rc_noevent.

" a control event occured => exit PAI

clear g_ok_code.

exit.

endif.

case g_ok_code.

when 'BACK'. " Finish program

perform finish_program.

leave program.

endcase.

CAUTION: clear ok code!

clear g_ok_code.

endmodule. " PAI_0100 INPUT

----

Form CREATE_AND_INIT_TREE

----

form create_and_init_tree.

data: node_table type treev_ntab,

item_table type item_table_type,

events type cntl_simple_events,

event type cntl_simple_event,

hierarchy_header type treev_hhdr.

create object splitter_h

exporting

parent = cl_gui_container=>screen0

rows = 1

columns = 2.

call method splitter_h->set_border

exporting border = cl_gui_cfw=>false.

call method splitter_h->set_column_mode

exporting mode = splitter_h->mode_absolute.

call method splitter_h->set_column_width

exporting id = 1

width = c_width.

g_gui_container = splitter_h->get_container( row = 1 column = 1 ).

g_gui_container_r = splitter_h->get_container( row = 1 column = 2 ).

setup the hierarchy header

hierarchy_header-heading = 'Company/Plant/Storage Location'.

hierarchy_header-width = 35.

create a column tree control

create object g_tree

exporting

parent = g_gui_container

node_selection_mode = cl_gui_column_tree=>node_sel_mode_single

item_selection = 'X'

hierarchy_column_name = 'Column1'

hierarchy_header = hierarchy_header

exceptions

cntl_system_error = 1

create_error = 2

failed = 3

illegal_node_selection_mode = 4

illegal_column_name = 5

lifetime_error = 6.

if sy-subrc <> 0.

message a000.

endif.

insert two additional columns

call method g_tree->add_column

exporting

name = 'Column2'

width = 40

header_text = 'Name'

exceptions

column_exists = 1

illegal_column_name = 2

too_many_columns = 3

illegal_alignment = 4

different_column_types = 5

cntl_system_error = 6

failed = 7

predecessor_column_not_found = 8.

if sy-subrc <> 0.

message a000.

endif.

call method g_tree->add_column

exporting

name = 'Column3'

width = 30

header_text = 'City'

exceptions

column_exists = 1

illegal_column_name = 2

too_many_columns = 3

illegal_alignment = 4

different_column_types = 5

cntl_system_error = 6

failed = 7

predecessor_column_not_found = 8.

if sy-subrc <> 0.

message a000.

endif.

create a tool bar control

create object g_cntl

exporting

parent = g_gui_container_r

display_mode = cl_gui_toolbar=>m_mode_vertical

exceptions

cntl_install_error = 1

cntl_error = 2.

if sy-subrc <> 0.

message a000. "not very appropriate msg, but...

endif.

define the events which will be passed to the backend
from tree

event-appl_event = 'X'. "

event-eventid = cl_gui_column_tree=>eventid_node_double_click.

append event to events.

event-eventid = cl_gui_column_tree=>eventid_header_click.

append event to events.

event-eventid = cl_gui_column_tree=>eventid_item_double_click.

append event to events.

event-eventid = cl_gui_column_tree=>eventid_expand_no_children.

append event to events.

event-eventid = cl_gui_column_tree=>eventid_link_click.

append event to events.

event-eventid = cl_gui_column_tree=>eventid_button_click.

append event to events.

event-eventid = cl_gui_column_tree=>eventid_checkbox_change.

append event to events.

event-eventid = cl_gui_column_tree=>eventid_node_context_menu_req.

append event to events.

event-eventid = cl_gui_column_tree=>eventid_header_context_men_req.

append event to events.

event-eventid = cl_gui_column_tree=>eventid_def_context_menu_req.

append event to events.

call method g_tree->set_registered_events

exporting

events = events

exceptions

cntl_error = 1

cntl_system_error = 2

illegal_event_combination = 3.

if sy-subrc <> 0.

message a000.

endif.

from toolbar

clear: event, events[].

event-appl_event = 'X'. "

event-eventid = cl_gui_toolbar=>m_id_function_selected.

append event to events.

call method g_cntl->set_registered_events

exporting

events = events

exceptions

cntl_error = 1

cntl_system_error = 2

illegal_event_combination = 3.

if sy-subrc <> 0.

message a000.

endif.

assign event handlers in the application class to each desired event

set handler g_application->handle_node_double_click for g_tree.

set handler g_application->handle_header_click for g_tree.

set handler g_application->handle_item_double_click for g_tree.

set handler g_application->handle_expand_no_children for g_tree.

set handler g_application->handle_link_click for g_tree.

set handler g_application->handle_button_click for g_tree.

set handler g_application->handle_checkbox_change for g_tree.

set handler g_application->handle_pushbutton_click for g_cntl.

set handler g_application->handle_node_context_menu_req for g_tree.

set handler g_application->handle_node_context_menu_sel for g_tree.

set handler g_application->handle_header_context_menu_req for g_tree.

set handler g_application->handle_header_context_menu_sel for g_tree.

set handler g_application->handle_dft_context_menu_req for g_tree.

set handler g_application->handle_dft_context_menu_sel for g_tree.

add some nodes to the tree control
NOTE: the tree control does not store data at the backend. If an
application wants to access tree data later, it must store the
tree data itself.

perform build_node_and_item_table using node_table item_table.

call method g_tree->add_nodes_and_items

exporting

node_table = node_table

item_table = item_table

item_table_structure_name = 'MTREEITM'

exceptions

failed = 1

cntl_system_error = 3

error_in_tables = 4

dp_error = 5

table_structure_name_not_found = 6.

if sy-subrc <> 0.

message a000.

endif.

add some pushbuttons to the toolbar

call method:

g_cntl->add_button exporting fcode = 'COMPANY'

icon = '@D9@'

butn_type = cntb_btype_button

text = 'Expand Companies'

exceptions cntl_error = 1,

g_cntl->add_button exporting fcode = 'PLANT'

icon = '@A8@'

butn_type = cntb_btype_button

text = 'Expand Plants'

exceptions cntl_error = 1,

g_cntl->add_button exporting fcode = 'STORAGE'

icon = '@AC@'

butn_type = cntb_btype_button

text = 'Expand Storage Locations (viewed only)'

exceptions cntl_error = 1,

g_cntl->add_button exporting fcode = 'COLLAPSE'

icon = '@69@'

butn_type = cntb_btype_button

text = 'Collapse All'

exceptions cntl_error = 1.

if sy-subrc <> 0.

message a000.

endif.

endform. " CREATE_AND_INIT_TREE

----

Form build_node_and_item_table

----

form build_node_and_item_table

using

node_table type treev_ntab

item_table type item_table_type.

data: node type treev_node,

item type mtreeitm,

wa_t001 like t001,

wa_t001l like t001l,

wa_t001w like t001w,

wa_t001k like t001k.

Caution: The nodes are inserted into the tree according to the order
in which they occur in the table. In consequence, a node must not
must not occur in the node table before its parent node.

node-node_key = 'Root'.

clear node-relatkey.

clear node-relatship.

node-hidden = ' '.

node-disabled = ' '.

node-isfolder = 'X'.

clear node-n_image.

clear node-exp_image.

clear node-expander.

append node to node_table.

clear item.

item-node_key = node-node_key.

item-item_name = 'Column1'.

item-class = cl_gui_column_tree=>item_class_text.

item-font = cl_gui_column_tree=>item_font_default.

item-text = 'Companies'.

append item to item_table.

select bukrs butxt ort01 from t001

into (wa_t001-bukrs, wa_t001-butxt, wa_t001-ort01).

clear node.

node-node_key = wa_t001-bukrs.

node-relatkey = 'Root'.

node-relatship = cl_gui_column_tree=>relat_last_child.

node-isfolder = 'X'.

append node to node_table.

clear item.

item-node_key = node-node_key.

item-item_name = 'Column1'.

item-class = cl_gui_column_tree=>item_class_text.

item-font = cl_gui_column_tree=>item_font_default.

item-text = wa_t001-bukrs.

item-t_image = '@D9@'.

item-usebgcolor = 'X'.

append item to item_table.

clear item.

item-node_key = node-node_key.

item-item_name = 'Column2'.

item-class = cl_gui_column_tree=>item_class_text.

item-length = 30.

item-font = cl_gui_column_tree=>item_font_default.

item-text = wa_t001-butxt.

append item to item_table.

clear item.

item-node_key = node-node_key.

item-item_name = 'Column3'.

item-class = cl_gui_column_tree=>item_class_text.

item-font = cl_gui_column_tree=>item_font_default.

item-text = wa_t001-ort01.

append item to item_table.

select bwkey bukrs from t001k

into (wa_t001k-bwkey, wa_t001k-bukrs)

where bukrs = wa_t001-bukrs.

clear node.

node-node_key = wa_t001-bukrs.

node-node_key+4 = wa_t001k-bwkey.

node-relatkey = wa_t001-bukrs.

node-relatship = cl_gui_column_tree=>relat_last_child.

node-isfolder = 'X'.

node-expander = 'X'. " The node is marked with a '+', although

" it has no children. When the user clicks on the

" + to open the node, the event expand_nc is

" fired. The programmer can

" add the children of the

" node within the event handler of the expand_nc

" event (see callback handle_expand_nc).

append node to node_table.

select single name1 from t001w into wa_t001w-name1

where werks = wa_t001k-bwkey.

clear item.

item-node_key = node-node_key.

item-item_name = 'Column1'.

item-class = cl_gui_column_tree=>item_class_text.

item-font = cl_gui_column_tree=>item_font_default.

item-text = wa_t001k-bwkey.

item-t_image = '@A8@'.

item-usebgcolor = 'X'.

append item to item_table.

clear item.

item-node_key = node-node_key.

item-item_name = 'Column2'.

item-class = cl_gui_column_tree=>item_class_text.

item-font = cl_gui_column_tree=>item_font_default.

item-text = wa_t001w-name1.

append item to item_table.

endselect.

endform. " build_node_and_item_table

----

Form finish_program

----

form finish_program.

if not g_gui_container is initial.

" destroy tree container (detroys contained tree control, too)

call method g_gui_container->free

exceptions

cntl_system_error = 1

cntl_error = 2.

if sy-subrc <> 0.

message a000.

endif.

clear: g_gui_container, g_tree.

endif.

if not g_gui_container_r is initial.

" destroy right container (detroys contained toolbar, too)

call method g_gui_container_r->free

exceptions

cntl_system_error = 1

cntl_error = 2.

if sy-subrc <> 0.

message a000.

endif.

clear: g_gui_container_r, g_cntl.

endif.

endform. " finish_program

----

Start of selection

----

start-of-selection.

create the application object
this object is needed to handle the ABAP Objects Events of
Controls

create object g_application.

set screen 100.

----

topic CL_GUI_COLUMN_TREE in Application Development and Automation Discussions

CL_GUI_COLUMN_TREE

Re: CL_GUI_COLUMN_TREE

Re: CL_GUI_COLUMN_TREE