ALV Tree Demo using RS_TREE_LIST_DISPLAY and RS_TREE_CONSTRUCT

Hello friends, in this article we are going to see, Tree demo in sap abap using RS_TREE_LIST_DISPLAY and RS_TREE_CONSTRUCT.

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*& Report Z_Simpletree *
*& Author : admin*
*& Published at mcqvillage.in
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*& AS : Simple tree report using RS_TREE_CONSTRUCT *
*& and RS_TREE_LIST_DISPLAY upto 6 levels *
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REPORT z_simpletree.

type pool declarations for tree
TYPE-POOLS : fibs,stree.
*Data declaration for additional node information
DATA : t_node TYPE snodetext.
*Internal table and wa decl for nodes
DATA : it_node LIKE TABLE OF t_node INITIAL SIZE 0,
wa_node LIKE t_node.
*Internal table and wa decl for Education table PA0022
DATA : it_0022 TYPE STANDARD TABLE OF pa0022 INITIAL SIZE 0,
wa_0022 TYPE pa0022.
*Internal table and wa decl for text table t517x
DATA : it_517x TYPE STANDARD TABLE OF t517x INITIAL SIZE 0,
wa_517x TYPE t517x.
*Internal table and wa decl for text table t517T
DATA : it_517t TYPE STANDARD TABLE OF t517t INITIAL SIZE 0,
wa_517t TYPE t517t.
*Internal table and wa decl for text table t519T
DATA : it_519t TYPE STANDARD TABLE OF t519t INITIAL SIZE 0,
wa_519t TYPE t519t.
*initialization event
INITIALIZATION.
*Start of selection event
START-OF-SELECTION.
*Select the data for tree
PERFORM fetch_data.
*Build the hierarchy for tree
PERFORM build_hierarchy.
*Build Tree for display
PERFORM build_tree.
*&————————————————————–*
*& Form fetch_data
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text
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–> p1 text

<– p2 text
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FORM fetch_data .
*select data from PA0022
SELECT * FROM pa0022 INTO CORRESPONDING FIELDS OF TABLE it_0022
UP TO 50 ROWS.
*select data from T517x
SELECT * FROM t517x INTO CORRESPONDING FIELDS OF TABLE it_517x
WHERE langu = ‘E’.
*select data from T517T
SELECT * FROM t517t INTO CORRESPONDING FIELDS OF TABLE it_517t
WHERE sprsl = ‘E’.
*select data from T519t
SELECT * FROM t519t INTO CORRESPONDING FIELDS OF TABLE it_519t
WHERE sprsl = ‘E’.
ENDFORM. ” fetch_data
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*& Form build_hierarchy
*&—————————————————————-*

text
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–> p1 text

<– p2 text
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FORM build_hierarchy .
*Building the nodes and hierarchy for tree
CLEAR : it_node[], wa_node.
wa_node-type = ‘T’.
wa_node-name = ‘Education’.
wa_node-tlevel = ’01’.
wa_node-nlength = ’15’.
wa_node-color = ‘4’.
wa_node-text = ‘Infotype 0022’.
wa_node-tlength =’20’.
wa_node-tcolor = 3.
APPEND wa_node TO it_node.
CLEAR wa_node.
*Filling the values of internal table into tree
LOOP AT it_0022 INTO wa_0022.
wa_node-type = ‘P’.
wa_node-name = ‘PERNR’.
wa_node-tlevel = ’02’.
wa_node-nlength = ‘8’.
wa_node-color = ‘1’.
wa_node-text = wa_0022-pernr.
wa_node-tlength =’20’.
wa_node-tcolor = 4.
APPEND wa_node TO it_node.
CLEAR wa_node.
*Filling the text of T517t
READ TABLE it_517t INTO wa_517t WITH KEY slart = wa_0022-slart.
wa_node-type = ‘P’.
wa_node-name = wa_0022-slart.
wa_node-tlevel = ’03’.
wa_node-nlength = ‘8’.
wa_node-color = ‘1’.
wa_node-text = wa_517t-stext.
wa_node-tlength =’40’.
wa_node-tcolor = 4.
APPEND wa_node TO it_node.
CLEAR wa_node.
*Filling the text of T519t
READ TABLE it_519t INTO wa_519t WITH KEY slabs = wa_0022-slabs.
wa_node-type = ‘P’.
wa_node-name = wa_0022-slabs.
wa_node-tlevel = ’04’.
wa_node-nlength = ‘8’.
wa_node-color = ‘2’.
wa_node-text = wa_519t-stext.
wa_node-tlength =’40’.
wa_node-tcolor = 4.
APPEND wa_node TO it_node.
CLEAR wa_node.
*Filling the text of T517x
READ TABLE it_517x INTO wa_517x WITH KEY faart = wa_0022-sltp1.
wa_node-type = ‘P’.
wa_node-name = wa_0022-sltp1.
wa_node-tlevel = ’05’.
wa_node-nlength = ‘8’.
wa_node-color = ‘1’.
wa_node-text = wa_517x-ftext.
wa_node-tlength =’40’.
wa_node-tcolor = 4.
APPEND wa_node TO it_node.
CLEAR wa_node.
wa_node-type = ‘P’.
wa_node-name = wa_0022-zzper.
wa_node-tlevel = ’06’.
wa_node-nlength = ‘8’.
wa_node-color = ‘1’.
wa_node-text = ‘% Completed’.
wa_node-tlength =’15’.
wa_node-tcolor = 4.
APPEND wa_node TO it_node.
CLEAR wa_node.
ENDLOOP.
ENDFORM. ” build_hierarchy
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*& Form build_tree
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text
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–> p1 text

<– p2 text *—————————————————————-* FORM build_tree . *Fm for constructing the tree CALL FUNCTION ‘RS_TREE_CONSTRUCT’ TABLES nodetab = it_node. IF sy-subrc <> 0.

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

WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
*FM for displaying the tree
CALL FUNCTION ‘RS_TREE_LIST_DISPLAY’
EXPORTING
callback_program = sy-repid
check_duplicate_name = ‘1’
color_of_node = ‘4’
color_of_mark = ‘3’
color_of_link = ‘1’
color_of_match = ‘5’
node_length = 30
text_length = 75
use_control = ‘L’.
ENDFORM. ” build_tree

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