Tree List Value

Apex4
datbase 10g EE
Hello Apex Users,
how can I get the Value Of a tree list then pass that value to the textfield using Javascript?
Is that Possible? Hope for a quick response and answer.
regards,
jose

Hi Jose,
you can use the "LINK" column in the tree query to do that. Have a look at the following example which will write the clicked employee# into P13_EMPNO.
select case when connect_by_isleaf = 1 then 0
            when level = 1             then 1
            else                           -1
       end as status,
       level,
       "ENAME" as title,
       null as icon,
       "EMPNO" as value,
       "ENAME" as tooltip,
       'javascript:$s("P13_EMPNO",'||EMPNO||');' as link
from "#OWNER#"."EMP"
start with "MGR" is null
connect by prior "EMPNO" = "MGR"
order siblings by "ENAME"Regards
Patrick
My Blog: http://www.inside-oracle-apex.com
APEX 4.0 Plug-Ins: http://apex.oracle.com/plugins
Twitter: http://www.twitter.com/patrickwolf

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Tree List Value - Passing String

apex4
database 10g EE
I have this code which will pass a value to a textfiled but only numbers. How about passing string values in a textfield? Any idea?
select case when connect_by_isleaf = 1 then 0
            when level = 1             then 1
            else                           -1
       end as status,
       level,
       "ENAME" as title,
       null as icon,
       "EMPNO" as value,
       "ENAME" as tooltip,
       'javascript:$s("P13_EMPNO",'||EMPNO||');' as link
from "#OWNER#"."EMP"
start with "MGR" is null
connect by prior "EMPNO" = "MGR"
order siblings by "ENAME"

Hi Jose,
I believe Patrick already responded to this question on another thread: Tree List Value , where he has stated:
just use
'javascript:$s("P13_ENAME","'||ENAME||'");' as link
instead.
Regards,
Hilary

Read Selected Tree Node value. Jdeveloper Jdeveloper 11.1.2.1.0 11.1.2.1.0

Version: Jdeveloper 11.1.2.1.0
how to get programmatically tree node value.
i have tried but cann't read value from selected node.
please help me.
here is my application creation steps:
1. New Application
2. Fusion Web Application (ADF) Template
3. Create View Object VOTreeMst
Query:
     Select Department_Name,Department_Id
     From Departments
4. Create View Object VOTreeChd
Query:
     Select Last_Name,Employee_Id,Department_Id
     From Employees
5. Create View Link VLTreeMstChd
     VOTreeMst.DepartmentId=VOTreeChd.DepartmentId
     And Add to Application Module
6. Create page page1 in ViewController
     New-->Web Tier-->JSF/Facelets-->Page
     Selected Document Type JSP XML
7. Drag VOTreeMst1 From Data Controls into page1
and select Tree-->ADF Tree
8. ADD java Code into selection Listener
public void nodeSelect(SelectionEvent selectionEvent) {
//original selection listener set by ADF
String adfSelectionListener = "#{bindings.VOTreeMst1.treeModel.makeCurrent}";
//make sure the default selection listener functionality is preserved.
//you don't need to do this for multi select trees as the ADF binding
//only supports single current row selection
/* START PRESERVER DEFAULT ADF SELECT BEHAVIOR */
FacesContext fctx = FacesContext.getCurrentInstance();
Application application = fctx.getApplication();
ELContext elCtx = fctx.getELContext();
ExpressionFactory exprFactory = application.getExpressionFactory();
MethodExpression me = null;
me = exprFactory.createMethodExpression(elCtx, adfSelectionListener, Object.class,
new Class[] { SelectionEvent.class });
me.invoke(elCtx, new Object[] { selectionEvent });
/* END PRESERVER DEFAULT ADF SELECT BEHAVIOR */
RichTree tree = (RichTree)selectionEvent.getSource();
TreeModel model = (TreeModel)tree.getValue();
//get selected nodes
RowKeySet rowKeySet = selectionEvent.getAddedSet();
Iterator rksIterator = rowKeySet.iterator();
//for single select configurations, thi sonly is called once
while (rksIterator.hasNext()) {
List key = (List)rksIterator.next();
JUCtrlHierBinding treeBinding = null;
CollectionModel collectionModel = (CollectionModel)tree.getValue();
treeBinding = (JUCtrlHierBinding)collectionModel.getWrappedData();
JUCtrlHierNodeBinding nodeBinding = treeBinding.findNodeByKeyPath(key);
Row rw = nodeBinding.getRow();
//print first row attribute. Note that in a tree you have to determine the node
//type if you want to select node attributes by name and not index
String rowType = rw.getStructureDef().getDefName();
if(rowType.equalsIgnoreCase("VOTreeMst")){
System.out.println("This row is a department: " + rw.getAttribute("DepartmentId"));
else if(rowType.equalsIgnoreCase("VOTreeChd")){
System.out.println("This row is an employee: " + rw.getAttribute("EmployeeId"));
else{
System.out.println("Huh ????");
// ... do more usefuls stuff here
9. when i click on first node it is working but i click on second node it is not working
error message::
<LifecycleImpl> <_handleException> ADF_FACES-60098:Faces lifecycle receives unhandled exceptions in phase INVOKE_APPLICATION 5
javax.el.ELException: java.lang.NullPointerException
     at com.sun.el.parser.AstValue.invoke(Unknown Source)
     at com.sun.el.MethodExpressionImpl.invoke(Unknown Source)
     at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodExpression(UIXComponentBase.java:1589)
     at org.apache.myfaces.trinidad.component.UIXTree.broadcast(UIXTree.java:237)
<RegistrationConfigurator> <handleError> ADF_FACES-60096:Server Exception during PPR, #1
javax.el.ELException: java.lang.NullPointerException
I have also tried using following code but same problem
public void onTreeSelect(SelectionEvent selectionEvent) {
//original selection listener set by ADF
String adfSelectionListener = "#{bindings.VOTreeMst1.treeModel.makeCurrent}";
//make sure the default selection listener functionality is preserved.
//you don't need to do this for multi select trees as the ADF binding
//only supports single current row selection
/* START PRESERVER DEFAULT ADF SELECT BEHAVIOR */
FacesContext fctx = FacesContext.getCurrentInstance();
Application application = fctx.getApplication();
ELContext elCtx = fctx.getELContext();
ExpressionFactory exprFactory = application.getExpressionFactory();
MethodExpression me = null;
me = exprFactory.createMethodExpression(elCtx, adfSelectionListener, Object.class,
new Class[] { SelectionEvent.class });
me.invoke(elCtx, new Object[] { selectionEvent });
/* END PRESERVER DEFAULT ADF SELECT BEHAVIOR */
RichTree tree = (RichTree)selectionEvent.getSource();
TreeModel model = (TreeModel)tree.getValue();
//get selected nodes
RowKeySet rowKeySet = selectionEvent.getAddedSet();
Iterator rksIterator = rowKeySet.iterator();
//for single select configurations, thi sonly is called once
while (rksIterator.hasNext()) {
List key = (List)rksIterator.next();
JUCtrlHierBinding treeBinding = null;
treeBinding = (JUCtrlHierBinding)((CollectionModel)tree.getValue()).getWrappedData();
JUCtrlHierNodeBinding nodeBinding = treeBinding.findNodeByKeyPath(key);
Row rw = nodeBinding.getRow();
//print first row attribute. Note that in a tree you have to determine the node
//type if you want to select node attributes by name and not index
System.out.println("row: " + rw.getAttribute(0));
But
If i create .jspx page From
Web Tier->Jsp->page Then it is working fine
when i create .jspx page From
Web Tier->JSF\Facelets->page Then it is not working
i need to get value from "Web Tier->JSF\Facelets->page"
is there any help please?

You should try Franks generic selectionListener http://www.oracle.com/technetwork/developer-tools/adf/learnmore/25-generic-tree-selection-listener-169164.pdf. For help on hoe to get the selected tree node data check http://www.oracle.com/technetwork/developer-tools/adf/learnmore/26-get-selected-tree-node-data-169165.pdf
Timo

ALV Tree list output using the Class and method

Hi,
How to get the internal table values of ALV Tree List in classes.
My requirement is i need to store the output values in Ztable of a SAP Transaction of CK86_99.
for this, i copied the SAP Standard Transaction into Z tcode and i am trying to poplulate the output display into Ztable. But this standard tcode CK86_99 is using the classes of ALV tree list to display output.
CL_STRUCTURE_EXPLOSION_TREE -- Class
CONSTRUCTOR - method
Finally in the above mentioned method, i am able to see the output values of ALV tree list in the internal table of mt_output_table.
But these are SAP Standard Class and method.
My doubt is, How to get these internal table values in my Zprogram.
is there any user exit or badi can we use in the method of class???? Actually my system is 4.6C
Please suggest me on this problem.
Thanks in advance
KBS Reddy

First your getInstance() method returns 'singleton' which you havent declared/init anywhere.
your getAll() method needs to be static if you need to call it the way you are doing.
In your getAll() method u are passing a parameter called patientRecord ... where have you declared/init it.
i think you have to do something like this ... if i have understood you correctly.
/* THIS IS IN YOUR SERVLET*/
Collections c = database.getAll();
out.println(C);
/* YOUR FlatfileDatabase CLASS HAS SOMETHING LIKE THIS*/
public static FlatfileDatabase getInstance() {
return new FlatfileDatabase();
public static Collections getAll() {

Tree list display

hi,
i have one problem.
i have displayed an alv grid.now i want when user select any
row the corresponding value
of that particular row should display in tree like structure
under different heading i.e. under one heading there should be
some field ,under another heading some other field and so on.
also with expand node and compress node .
can u plz provide any sample program.i want it with function module.
like rs_tree_construct' and others.

REPORT ZTEST13 MESSAGE-ID znew .
TREE HIRRARCHY REPORT **********************
TABLES : vbak.
DATA: BEGIN OF mylist OCCURS 50. " Internal table hierarchy
INCLUDE STRUCTURE snodetext.
DATA: END OF mylist.
DATA: f15 TYPE c.
DATA : BEGIN OF gt_sales OCCURS 0,
        vbeln LIKE vbak-vbeln,
        kunnr LIKE vbak-kunnr,
        matnr LIKE vbap-matnr,
        arktx LIKE vbap-arktx,
        ERNAM LIKE VBAK-ERNAM,
      END OF gt_sales.
*SELECT-OPTIONS : s_vbeln FOR vbak-vbeln.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT 2(20) v_text1 FOR FIELD S_VBELN.
SELECT-OPTIONS: S_VBELN FOR VBAK-VBELN OBLIGATORY.
SELECTION-SCREEN END OF LINE.
INITIALIZATION.
V_TEXT1 = 'SALES ORDER NO'.
START-OF-SELECTION.
SET PF-STATUS 'ZTREE1'. " create in t-code se41
SET TITLEBAR 'T1'.
PERFORM fill_itab.
PERFORM main.
FORM fill_itab .
SELECT vkvbeln vkkunnr VKERNAM vpmatnr vp~arktx INTO CORRESPONDING
FIELDS OF
      TABLE gt_sales
      FROM ( vbak AS vk INNER JOIN vbap AS vp ON vkvbeln = vpvbeln )
      WHERE vk~vbeln IN s_vbeln.
      SORT gt_sales BY vbeln kunnr.
mylist-name = 'Report Tree List'.
mylist-color = 1.
mylist-intensiv = '1'.
mylist-text = 'Report Tree List'.
mylist-tlength = 16.
mylist-tlevel = 1.
mylist-tcolor = 1.
mylist-tintensiv = '1'.
*mylist-text1 = 'using "RS_TREE_CONSTRUCT" function'.
mylist-tlength1 = 50.
mylist-tcolor1 = 2.
mylist-tintensiv1 = '0'.
APPEND mylist.
LOOP AT gt_sales.
ON CHANGE OF gt_sales-vbeln.
mylist-name = 'level1'.
mylist-color = 0.
mylist-intensiv = '0'.
mylist-text = 'Sales Document no:'.
mylist-tlength = 20.
mylist-tlevel = 2.
mylist-tcolor = 7.
mylist-tintensiv = '1'.
mylist-text1 = gt_sales-vbeln.
mylist-tlength1 = 30.
mylist-tcolor1 = 2.
mylist-tintensiv1 = '0'.
APPEND mylist.
ENDON.
ON CHANGE OF gt_sales-kunnr.
mylist-name = 'level2'.
mylist-color = 0.
mylist-intensiv = '0'.
mylist-text = 'Customer no:'.
mylist-tlength = 20.
mylist-tlevel = 3.
mylist-tcolor = 5.
mylist-tintensiv = '1'.
mylist-text1 = gt_sales-kunnr.
mylist-tlength1 = 30.
mylist-tcolor1 = 3.
mylist-tintensiv1 = '0'.
APPEND mylist.
ENDON.
mylist-name = 'level3'.
mylist-color = 0.
mylist-intensiv = '0'.
*mylist-text = gt_sales-matnr.
mylist-tlength = 15.
mylist-tlevel = 4.
mylist-tcolor = 4.
mylist-tintensiv = '0'.
mylist-text1 = gt_sales-arktx.
mylist-tlength1 = 30.
mylist-tcolor1 = 2.
mylist-tintensiv1 = '0'.
MYLIST-COLOR = 2.
MYLIST-INTENSIV = '0'.
MYLIST-TEXT = GT_SALES-ERNAM.
MYLIST-TLENGTH = 20.
*MYLIST-TLEVEL = 4.
APPEND mylist.
*MYLIST-NAME = 'LEVEL4'.
*MYLIST-COLOR = 2.
*MYLIST-INTENSIV = '0'.
*MYLIST-TEXT = GT_SALES-ERNAM.
*MYLIST-TLENGTH = 20.
*MYLIST-TLEVEL = 4.
*APPEND MYLIST.
ENDLOOP.
ENDFORM. " FILL_ITAB
FORM main .
PERFORM hierarchy. " construct & draw the tree
ENDFORM. " MAIN
FORM hierarchy .
PERFORM build_tree.
PERFORM draw_tree.
ENDFORM. " HIERARCHY
FORM BUILD_TREE *
FORM build_tree.
CALL FUNCTION 'RS_TREE_CONSTRUCT'
TABLES
nodetab = mylist
EXCEPTIONS
tree_failure = 1.
ENDFORM. "build_tree
FORM DRAW_TREE *
FORM draw_tree.
sy-lsind = 0.
CALL FUNCTION 'RS_TREE_LIST_DISPLAY'
EXPORTING
callback_program = 'Ztest13'
callback_user_command = 'NODE_SELECT'
*(001)
IMPORTING
f15 = f15.
ENDFORM. "draw_tree

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How to get a Tree Node Value when a Tree is Expanded

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Hemendra:Yesterday is just a memory,Tomorrow we may never see<br/> Please remember to mark the replies as answers if they help and unmark them if they provide no help

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"You will find a fortune, though it will not be the one you seek." -
Blind Seer, O Brother Where Art Thou
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Hi,
i to have the same problem .
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Hi,
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