REPORT ZVVMUR12 .
TABLES: KNVH.
TYPES: BEGIN OF WORKTYPE,
LEVEL(2),
HKUNNR LIKE KNVH-KUNNR,
KUNNR LIKE KNVH-HKUNNR,
END OF WORKTYPE.
DATA: IT_KNVH TYPE TABLE OF WORKTYPE,
WA_KNVH LIKE LINE OF IT_KNVH,
IT_TEMP TYPE TABLE OF WORKTYPE,
WA_TEMP LIKE LINE OF IT_TEMP,
IT_WORK TYPE TABLE OF WORKTYPE,
WA_WORK LIKE LINE OF IT_WORK.
DATA : BEGIN OF IT_NODES OCCURS 0.
INCLUDE STRUCTURE SNODETEXT.
DATA : END OF IT_NODES.
CONSTANTS: NUMBER_OF_LEVELS TYPE I VALUE 6.
PARAMETER: P_HKUNNR LIKE KNVH-HKUNNR.
START-OF-SELECTION.
* Parent = 1. hierarchy node
WA_TEMP-KUNNR = P_HKUNNR.
APPEND WA_TEMP TO IT_TEMP.
WA_WORK-KUNNR = WA_TEMP-KUNNR.
WA_WORK-LEVEL = 1.
APPEND WA_WORK TO IT_WORK.
* Reading customer hierarchy (max. 6 level)
DO NUMBER_OF_LEVELS TIMES.
CHECK NOT IT_TEMP IS INITIAL.
SELECT KUNNR HKUNNR
FROM KNVH
INTO CORRESPONDING FIELDS OF TABLE IT_KNVH
FOR ALL ENTRIES IN IT_TEMP
WHERE HKUNNR = IT_TEMP-KUNNR.
LOOP AT IT_KNVH INTO WA_KNVH.
WA_KNVH-LEVEL = SY-INDEX + 1.
APPEND WA_KNVH TO IT_WORK.
ENDLOOP.
IT_TEMP[] = IT_KNVH[].
ENDDO.
* Hierarchy nodes -> tree control
LOOP AT IT_WORK INTO WA_WORK WHERE LEVEL = 1.
PERFORM MAKE_NODE.
LOOP AT IT_WORK INTO WA_WORK WHERE LEVEL = 2 AND
HKUNNR = WA_WORK-KUNNR.
PERFORM MAKE_NODE.
LOOP AT IT_WORK INTO WA_WORK WHERE LEVEL = 3 AND
HKUNNR = WA_WORK-KUNNR.
PERFORM MAKE_NODE.
LOOP AT IT_WORK INTO WA_WORK WHERE LEVEL = 4 AND
HKUNNR = WA_WORK-KUNNR.
PERFORM MAKE_NODE.
LOOP AT IT_WORK INTO WA_WORK WHERE LEVEL = 5 AND
HKUNNR = WA_WORK-KUNNR.
PERFORM MAKE_NODE.
LOOP AT IT_WORK INTO WA_WORK WHERE LEVEL = 6 AND
HKUNNR = WA_WORK-KUNNR.
PERFORM MAKE_NODE.
ENDLOOP.
ENDLOOP.
ENDLOOP.
ENDLOOP.
ENDLOOP.
ENDLOOP.
* Making the tree control
CALL FUNCTION 'RS_TREE_CONSTRUCT'
TABLES
NODETAB = IT_NODES
EXCEPTIONS
TREE_FAILURE = 1.
* Display the tree control
DATA : F15 TYPE C.
CALL FUNCTION 'RS_TREE_LIST_DISPLAY'
EXPORTING
CALLBACK_PROGRAM = SY-REPID
IMPORTING
F15 = F15 .
FORM MAKE_NODE.
IT_NODES-NAME = WA_WORK-KUNNR.
IT_NODES-COLOR = 1.
IT_NODES-INTENSIV = 1.
IT_NODES-TEXT = WA_WORK-KUNNR.
IT_NODES-TLENGTH = 16.
IT_NODES-TLEVEL = WA_WORK-LEVEL.
IT_NODES-TCOLOR = 1.
IT_NODES-TINTENSIV = 1.
APPEND IT_NODES.
ENDFORM.
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