Logic for displaying nested nodes.

helo all
i have to display a report in a heirarchical tree structure . I am able to display the report in heirarchical format .
The following is my requirement . I'm able to do it for 2 nodes . but how to build the nodes for the below requirement .
Step 1 : Once User enters DB, Go to CHVW with No Receipt Indicator as Space and CHARG as DB # Entered on screen(Parent Node)
Step2: Check the Movement indicator if it is u2018Bu2019 then itu2019s a Raw material No further Drill Down (Last Node), If It is u2018Fu2019 then Go to Step 3.
Step 3: Get all the Unique DB # and Corresponding Orders, Display only DB# on Output (Child Nodes)
OUTPUT - ALV TREE STRUCTURE
If User Clicks on any DB# (Child Node):
      Then DB# Selected Will Become a Parent Node, Repeat the Same Process from 1 to 3.
Table: CHVW                                                                                DB#  Order  DB#  Order
Tree
DB1
-      DB1.1
   -     DB1.1.1
   -     DB1.1.2
   -     DB1.1.3
            -   DB1.1.3.1                               -
 DB # of Raw material No further drill Down
                  - Material Document          -
 Display Material Doc #
    -      DB1.2
                  -      DB1.3
                         - DB1.3.1
                        -   DB1.3.2
can anone give me some clue..

Yea Sandra , You are right .
let me explain my requirement clearly .
first of all i need to use only table CHVW for my requirement .
the user enters the batch number in the selection screen. For that batch number, i have fetch the production order number and batch number .this forms the first node .
For the second node , i have to again select from Chvw table using the production order numbers obtained from the first select statement . the batch numbers obtained from this select query will form the second nodes. IF the movement type indicator is B ,then these is the last node
otherwise we have to repeat above procedure untill we movement type indicator for a particular batch number is 'B'.
i'e for each of the batch numbers in the second nodes, i have to again get the production orders and for that production orders i have to fetch the batch numbers again .these will form the 3rd node .
if at this step the movemtn type indicator is 'B' ths is the last node. other wise the same step should be repeated.
could u plz give me some clue ....

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Hi Guys,
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My ITAB looks like below.
PN VBELN MATNR MATKX
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2     121       P-102    XYZ
2     112       P-103    ABC
3     134       P-104    DEF
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Some gap (May be a line to differentiate)
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HI,
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Many thanks
Regards
Indu
Edited by: Indumathy Narayanan on Dec 21, 2010 9:50 AM
Edited by: Indumathy Narayanan on Dec 21, 2010 9:51 AM
Edited by: Indumathy Narayanan on Dec 21, 2010 9:54 AM

Here is my current report detail view.
[http://s49.photobucket.com/albums/f270/helenen/add/?action=view&current=2010-06-2511-44-20.png]
(click on link and view at 100%)
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DATA:t_scarr LIKE TABLE OF fs_scarr,
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Hi Michael,
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In <htmlb:treeNode> tag there is an attribute 'text' in
which we specify title of that treeNode.
Now you define a page attribute 'treeNodeTitle' type
edpline and in onCreate assign it value <html><b>MyTreeNode</b></html>
When you click on this node then you do event handling
in onInputProcessing, there assign only 'MyTreeNode' to
treeNodeTitle.
sample code may look like this...
<htmlb:treeNode
id = 'treeNode1'
text = '<%=treeNodeTitle %>' >
</htmlb:treeNode>
Page Attribute
treeNodeTitle type edpline
in onCreate
treeNodeTitle = '<html><b>MyTreeNode</b></html>'
in onInputProcessing
in event-handling code for that treeNode write
treeNodeTitle = 'MyTreeNode'
I hope this will work.
Regards,
Narinder Hartala

Context Mapping for Non-Singleton Node

Hi ,
I have following context structure
Node_A
|     attr 1
|________ Node_B
                              attr2
                              attr3
Node_B is the child of Node_A. NOde_B has attributes attr2 and attr3.
Node_B is a Non SIngleton Node.
Node_B is mapped to Node_View of the View Controller.
Node_A had 2 elements. Initially Element 1 is the Lead selection Element for Node A. I get the reference for Node_B using the Lead Selection Path
NodeA_element1 = Node_A->GET_ELEMENT( ).
Node_B = NodeA_element1->GET_CHILD_NODE( 'NODE_B' ).
Node_B is filled with elements, lets say attr2 = 'Dallas', attr3 = 'Detroit'
Node_View shows the values Dallas and Detrait since its mapped to Node_B
Now the Lead selection of Node_A changes to 2.
I again gett he reference for NOde_B usign the Lead Selection Path (index 2)
NodeA_element2 = Node_A->GET_ELEMENT( ).
Node_B = NodeA_element2->GET_CHILD_NODE( 'NODE_B' ).
Node_B is now filled with, lets say attr2 = 'Mexico', attr3 = 'Canada'
Since element 2 is Lead selection for Node A, now, and NodeB is mapped to Node_View, I expect the contents of Node_View to be attr2 = 'Mexico', attr3 = 'Canada' since this is along the Lead Selection of Node_A
But it stays attr2 = 'Dallas', attr3 = 'Detroit'
So in a nut shell, the Context Mapping of the Non Singleton Node DOES NOT map the Lead selection Path when its parent , changes in Lead Selection.
Is this a BUG ?
Thanks

Hi Anand,
There is no bug. See when you are saying
"Node_B is now filled with, lets say attr2 = 'Mexico', attr3 = 'Canada' "
I am just not sure how you have filled the data in node B. Because the way u populate node data that way only you can get the data. The way you want to get data you must populate data in this way:
1. Get Node A instance let say in lv_node_A.
2. Get Node A element instance (lead selection) in your case lets say in lv_elem_A.
3. Now get node B instance by lv_elem_A->get_child_node( 'B' ) lets say in lv_node_B.
4. Create element of lv_node_B and bind it to the node B and also populate the value of attributes.
Repeat the steps as per your requirement. Also Singleton and Non singleton has nothing to do with this it is all about how the instances will be manged in the memory.
Look at this sample code and will help you while populating data in nested nodes:
    DATA lo_nd_a TYPE REF TO if_wd_context_node.
    DATA lo_el_a TYPE REF TO if_wd_context_element.
    DATA lo_nd_b TYPE REF TO if_wd_context_node.
    DATA lo_el_b TYPE REF TO if_wd_context_element.
    DATA ls_a TYPE wd_this->element_a.
    DATA lv_test LIKE ls_a-test.
    data lv_btest type string.
navigate from <CONTEXT> to <A> via lead selection
    lo_nd_a = wd_context->get_child_node( name = wd_this->wdctx_a ).
@TODO handle not set lead selection
    IF lo_nd_a IS INITIAL.
    ENDIF.
    data count type c.
    data count_i type i value 1.
    do 2 times.
      lo_el_a = lo_nd_a->create_element( ).
      lo_el_a->set_attribute(
      EXPORTING
        name = `TEST`
        value = count_i ).
      lo_nd_a->bind_element( new_item = lo_el_a
                             SET_INITIAL_ELEMENTS = abap_false ).
      lo_nd_b = lo_el_a->get_child_node( 'B' ).
      lo_el_b = lo_nd_b->create_element( ).
      move count_i to count.
      concatenate count 'in node b' into lv_btest.
      lo_el_b->set_attribute(
      EXPORTING
        name = `BTEST`
        value = lv_btest ).
      lo_nd_b->bind_element( new_item = lo_el_b
                             SET_INITIAL_ELEMENTS = abap_false ).
    count_i = count_i + 1.
    enddo.
This code will set value 1 and 2 in node A's test attribute. and on change of lead selection between 1 and 2 it will show value of attribute BTEST in node B as 1 in node B and 2 in node B...
Regards,
Neha

Display Parent node in a separate column in BEx

Hi all,
I have a requirement to display parent node of a node in a separate column in BEx.
For e.g. If 'a' and 'b' belong to the parent node 'c,' I need to display 'c' in a separate column whenever 'a' or 'b' occur in the report.
Any ideas how I can accomplish this? I already have a hierarchy enabled in the report. The client
still wants to display the parent node in a separate column
Thanks and points will be assigned.

Hi Claus,
You can use the following as table cell editor:
1. Image -- just displays plain image
2. Caption -- dislays image along with text or image only (or text only).
3. LinkToAction -- same as caption, however provides you a way to have something like "onClick" action.
Regards,
VS

Logic for Expand/compress icons

Hi all,
iam creating a custom transaction in which if you click on partner row in Partner tab an address dialog box pops up...
(similar to sales order/header/partner tab)
now, i want my window have the same func as the SAp window has but iam having problems in trying to understand what SAP is doing..
My question:
logic for expand/compress icons in the dialog box..
how can i implement the logic for expand/cmpress icons..
if i click on expand, i should see all the fields and if i compress ,all initial fields should compress and if all fields are filled and then u click on compress the icon should disappear(similar to SAP)..
my present logic is not able to switch the expand/compress properly..iam using screen-names for these...i see that SAP is using icons but iam not sure how to do this..
can anyone input..
gretaly appreciate....

Hi Karunya,
I have done something similar on the selection-screen of a Custom Report using text symbols & icons. You can probably try it out.
parameters:
p_cstopn type c no-display.
selection-screen:
pushbutton 1(33) p_pcust user-command cus.
at selection-screen.
Check whether the additional selections screen is open or closed
if p_cstopn = space.
    p_pcust = text-opn.
Make all fields invisible
    loop at screen.
      if screen-group1 = c_customize.
        screen-input = 0.
        screen-invisible = 1.
        modify screen.
      endif.
    endloop.
else.
    p_pcust = text-clo.
endif.
In the text symbols :
use @3S@ Open Additional Selections forTEXT-OPN &
    @3T@ Close Additional Selections for TEXT-CLO
Good Luck,
Suresh Datti

Logic for displaying nested nodes.

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