Dialog Programming

[ashok_kumar24]

Hi Experts,

Can anyone give me a detailed procedure to work on Custom Container in Dialog program. My requirement is to create a Tree control and handle events for Click and Double Click.

Thanks

AK

[Former Member]

check transaction <b>DWDM</b>

for lots of ex.

[Former Member]

Hi,

check the program SAPSIMPLE_TREE_CONTROL_DEMO in se80.

this will help a lot.

regards

Sandeep

[Former Member]

hi ashok,

i have send the sample code for creating tree with container , try this.

create a screen with container for this program

REPORT Z*************************.

TYPE-POOLS CNTL.

DATA: BEGIN OF WA_VBAK,

VBELN TYPE VBAK-VBELN,

ERDAT TYPE VBAK-ERDAT,

ERZET TYPE VBAK-ERZET,

ERNAM TYPE VBAK-ERNAM,

ANGDT TYPE VBAK-ANGDT,

END OF WA_VBAK.

DATA: BEGIN OF WA_VBAP,

VBELN TYPE VBAP-VBELN,

POSNR TYPE VBAP-POSNR,

MATNR TYPE VBAP-MATNR,

MATWA TYPE VBAP-MATWA,

PMATN TYPE VBAP-PMATN,

END OF WA_VBAP.

DATA: L_NODEKEY(10).

DATA: NODE TYPE TREEV_NODE,

UNODE TYPE TREEV_UNOD,

ITEM TYPE MTREEITM.

TYPES: ITEM_TABLE_TYPE LIKE STANDARD TABLE OF MTREEITM WITH DEFAULT KEY.

DATA : IT_VBAK LIKE TABLE OF WA_VBAK WITH HEADER LINE,

IT_VBAP LIKE TABLE OF WA_VBAP WITH HEADER LINE,

NODE_TABLE TYPE TREEV_NTAB,

UPDATE_NODE TYPE TREEV_UPNO,

ITEM_TABLE TYPE ITEM_TABLE_TYPE,

UPDATE_TABLE TYPE ITEM_TABLE_TYPE,

HIERARCHY_HEADER TYPE TREEV_HHDR,

G_NODEKEY(10) TYPE N,

event type cntl_simple_event,

EVENTS TYPE CNTL_SIMPLE_EVENTS,

G_CONTAINER TYPE REF TO CL_GUI_CUSTOM_CONTAINER,

G_ALV TYPE REF TO CL_GUI_COLUMN_TREE.

CLASS LCL_APPLICATION DEFINITION inheriting from cl_gui_column_tree.

PUBLIC SECTION.

METHODS:

HANDLE_EXPAND_NO_CHILDREN

FOR EVENT EXPAND_NO_CHILDREN

OF CL_GUI_COLUMN_TREE

IMPORTING NODE_KEY,

expandall importing node_key type TV_NODEKEY.

ENDCLASS.

DATA : EVENT_RECEIVER TYPE REF TO LCL_APPLICATION.

CALL SCREEN 9000.

CLASS LCL_APPLICATION IMPLEMENTATION.

METHOD HANDLE_EXPAND_NO_CHILDREN.

PERFORM BUILD_TREES USING NODE_KEY.

ENDMETHOD.

method expandall.

call method handle_expand_no_children

exporting

node_key = node_key.

.

endmethod.

ENDCLASS.

&----

---

*& Module STATUS_9000 OUTPUT

MODULE STATUS_9000 OUTPUT.

SET PF-STATUS 'STATUS'.

• SET TITLEBAR 'xxx'.

IF G_CONTAINER IS INITIAL.

CREATE OBJECT G_CONTAINER

EXPORTING

• PARENT =

CONTAINER_NAME = 'C_ALV'

.

IF SY-SUBRC <> 0.

• MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

• WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

HIERARCHY_HEADER-HEADING = 'Hierarchy Header'. "#EC NOTEXT

HIERARCHY_HEADER-WIDTH = 30. " width: 30 characters

CREATE OBJECT G_ALV

EXPORTING

• LIFETIME =

PARENT = G_CONTAINER

• SHELLSTYLE =

NODE_SELECTION_MODE = CL_GUI_COLUMN_TREE=>NODE_SEL_MODE_SINGLE

• HIDE_SELECTION =

ITEM_SELECTION = 'X'

HIERARCHY_COLUMN_NAME = 'COL1'

HIERARCHY_HEADER = HIERARCHY_HEADER

.

IF SY-SUBRC <> 0.

• MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

• WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

CREATE OBJECT EVENT_RECEIVER

exporting

PARENT = G_CONTAINER

• SHELLSTYLE =

NODE_SELECTION_MODE = CL_GUI_COLUMN_TREE=>NODE_SEL_MODE_SINGLE

• HIDE_SELECTION =

ITEM_SELECTION = 'X'

HIERARCHY_COLUMN_NAME = 'COL1'

HIERARCHY_HEADER = HIERARCHY_HEADER.

" expand no children

event-eventid = CL_GUI_COLUMN_TREE=>EVENTID_EXPAND_NO_CHILDREN.

event-appl_event = 'X'.

append event to events.

CALL METHOD G_ALV->SET_REGISTERED_EVENTS

EXPORTING

EVENTS = EVENTS

EXCEPTIONS

CNTL_ERROR = 1

CNTL_SYSTEM_ERROR = 2

ILLEGAL_EVENT_COMBINATION = 3.

IF SY-SUBRC <> 0.

ENDIF.

• assign event handlers in the application class to each desired event

SET HANDLER EVENT_RECEIVER->HANDLE_EXPAND_NO_CHILDREN FOR G_ALV.

PERFORM BUILD_SQL.

PERFORM BUILD_TREE.

ENDIF.

ENDMODULE. " STATUS_9000 OUTPUT

&----

---

*& Form BUILD_SQL

&----

---

FORM BUILD_SQL .

SELECT

VBELN

ERDAT

ERZET

ERNAM

ANGDT

INTO TABLE IT_VBAK

FROM VBAK

UP TO 2000 ROWS.

SELECT

VBELN

POSNR

MATNR

MATWA

PMATN

INTO TABLE IT_VBAP

FROM VBAP

FOR ALL ENTRIES IN IT_VBAK

WHERE VBELN = IT_VBAK-VBELN.

ENDFORM. " BUILD_SQL

&----

---

*& Module USER_COMMAND_9000 INPUT

&----

---

MODULE USER_COMMAND_9000 INPUT.

CASE SY-UCOMM.

WHEN 'EXIT'.

LEAVE PROGRAM.

WHEN 'EXPAND'.

PERFORM EXPAND_ALL.

ENDCASE.

ENDMODULE. " USER_COMMAND_9000 INPUT

&----

---

*& Form BUILD_TREE

&----

---

FORM BUILD_TREE .

PERFORM CREATE_COLS.

LOOP AT IT_VBAK WHERE VBELN <> ' '. " WHERE VBELN = '0000007895'.

CLEAR NODE.

NODE-NODE_KEY = IT_VBAK-VBELN. " Key of the node

CLEAR NODE-RELATKEY. " Special case: A root node has no parent

CLEAR NODE-RELATSHIP. " node.

NODE-HIDDEN = ' '. " The node is visible,

NODE-DISABLED = ' '. " selectable,

NODE-EXPANDER = 'X'.

NODE-ISFOLDER = ' '. " a folder.

CLEAR NODE-N_IMAGE. " Folder-/ Leaf-Symbol in state

CLEAR NODE-EXP_IMAGE. " Folder-/ Leaf-Symbol in state

CLEAR NODE-EXP_IMAGE.

APPEND NODE TO NODE_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = IT_VBAK-VBELN.

ITEM-ITEM_NAME = 'COL1'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_CHECKBOX. " Text Item

ITEM-EDITABLE = 'X'.

ITEM-TEXT = IT_VBAK-VBELN.

APPEND ITEM TO ITEM_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = IT_VBAK-VBELN.

ITEM-ITEM_NAME = 'COL2'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAK-ERDAT.

APPEND ITEM TO ITEM_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = IT_VBAK-VBELN.

ITEM-ITEM_NAME = 'COL3'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAK-ERZET.

APPEND ITEM TO ITEM_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = IT_VBAK-VBELN.

ITEM-ITEM_NAME = 'COL4'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAK-ERNAM.

APPEND ITEM TO ITEM_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = IT_VBAK-VBELN.

ITEM-ITEM_NAME = 'COL5'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAK-ANGDT.

APPEND ITEM TO ITEM_TABLE.

ENDLOOP.

CALL METHOD G_ALV->ADD_NODES_AND_ITEMS

EXPORTING

NODE_TABLE = NODE_TABLE

ITEM_TABLE = ITEM_TABLE

ITEM_TABLE_STRUCTURE_NAME = 'MTREEITM'

.

IF SY-SUBRC <> 0.

• MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

• WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

ENDFORM. " BUILD_TREE

----

---

• FORM create_cols *

----

---

• Form Routines Used For creating columns in the tree display *

----

---

FORM CREATE_COLS.

PERFORM ADD_COLUMN USING 'COL2' 20 'ERDAT'.

PERFORM ADD_COLUMN USING 'COL3' 20 'ERZET'.

PERFORM ADD_COLUMN USING 'COL4' 25 'ERNAM'.

PERFORM ADD_COLUMN USING 'COL5' 25 'AUGAT'.

ENDFORM. " CREATE_COLS

----

---

• FORM add_column *

----

---

• Form routine used to call add_column method *

----

---

• --> L_COL *

• --> L_WIDTH *

• --> L_TXT *

----

---

FORM ADD_COLUMN USING L_COL TYPE TV_ITMNAME

L_WIDTH TYPE I

L_TXT TYPE TV_HEADING.

CALL METHOD G_ALV->ADD_COLUMN

EXPORTING

NAME = L_COL

WIDTH = L_WIDTH

HEADER_TEXT = L_TXT

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 ID SY-MSGID TYPE 'I' NUMBER SY-MSGNO

WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

• STOP.

ENDIF.

ENDFORM. "add_column

&----

---

*& Form EXPAND_NODE

&----

---

• text

----

---

FORM EXPAND_NODE .

LOOP AT IT_VBAP WHERE VBELN = '0000007895'.

ADD 1 TO G_NODEKEY.

CLEAR UNODE.

UNODE-NODE_KEY = G_NODEKEY.

UNODE-RELATKEY = '0000007895'.

UNODE-RELATSHIP = CL_GUI_COLUMN_TREE=>RELAT_LAST_CHILD.

UNODE-HIDDEN = ' '.

UNODE-DISABLED = ' '.

UNODE-U_ALL = 'X'.

APPEND UNODE TO UPDATE_NODE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL1'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_CHECKBOX. " Text Item

ITEM-EDITABLE = 'X'.

ITEM-TEXT = IT_VBAP-VBELN.

APPEND ITEM TO UPDATE_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL2'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAP-POSNR.

APPEND ITEM TO UPDATE_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL3'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAP-MATNR.

APPEND ITEM TO UPDATE_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL4'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAP-MATWA.

APPEND ITEM TO UPDATE_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL5'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAP-PMATN.

APPEND ITEM TO UPDATE_TABLE.

ENDLOOP.

• MOVE-CORRESPONDING NODE_TABLE TO UPDATE_NODE[].

CALL METHOD G_ALV->UPDATE_NODES_AND_ITEMS

EXPORTING

NODE_TABLE = UPDATE_NODE

ITEM_TABLE = UPDATE_TABLE

ITEM_TABLE_STRUCTURE_NAME = 'MTREEITM'

EXCEPTIONS

FAILED = 1

CNTL_SYSTEM_ERROR = 2

ERROR_IN_TABLES = 3

DP_ERROR = 4

TABLE_STRUCTURE_NAME_NOT_FOUND = 5

others = 6

.

IF SY-SUBRC <> 0.

• MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

• WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

ENDFORM. " EXPAND_NODE

FORM BUILD_TREES USING NODE_KEY.

REFRESH : NODE_TABLE, ITEM_TABLE.

LOOP AT IT_VBAP WHERE VBELN = NODE_KEY.

ADD 1 TO G_NODEKEY.

CLEAR NODE.

NODE-NODE_KEY = G_NODEKEY.

NODE-RELATKEY = NODE_KEY.

NODE-RELATSHIP = CL_GUI_COLUMN_TREE=>RELAT_LAST_CHILD.

NODE-HIDDEN = ' '.

NODE-DISABLED = ' '.

• NODE-ISFOLDER = 'X'.

APPEND NODE TO NODE_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL1'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_CHECKBOX. " Text Item

ITEM-EDITABLE = 'X'.

ITEM-TEXT = IT_VBAK-VBELN.

APPEND ITEM TO ITEM_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL2'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAP-POSNR.

APPEND ITEM TO ITEM_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL3'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAP-MATNR.

APPEND ITEM TO ITEM_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL4'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAP-MATWA.

APPEND ITEM TO ITEM_TABLE.

CLEAR ITEM.

ITEM-NODE_KEY = G_NODEKEY.

ITEM-ITEM_NAME = 'COL5'. " Item of Column 'Column1'

ITEM-CLASS = CL_GUI_COLUMN_TREE=>ITEM_CLASS_TEXT. " Text Item

ITEM-TEXT = IT_VBAP-PMATN.

APPEND ITEM TO ITEM_TABLE.

ENDLOOP.

CALL METHOD G_ALV->ADD_NODES_AND_ITEMS

EXPORTING

NODE_TABLE = NODE_TABLE

ITEM_TABLE = ITEM_TABLE

ITEM_TABLE_STRUCTURE_NAME = 'MTREEITM'

.

IF SY-SUBRC <> 0.

• MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

• WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.

ENDFORM. " BUILD_TREE

&----

---

*& Form EXPAND_ALL

&----

---

• text

----

---

FORM EXPAND_ALL .

data : n_key type TV_NODEKEY.

loop at it_vbak where vbeln <> ''.

n_key = it_vbak-vbeln.

call method EVENT_RECEIVER->expandall

exporting

node_key = n_key.

endloop.

CALL METHOD G_ALV->EXPAND_ROOT_NODES

EXPORTING

LEVEL_COUNT = 2

EXPAND_SUBTREE = 'X'

.

IF SY-SUBRC <> 0.

• MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

• WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

ENDIF.