Reding tree node value
I want to read tree value into a text item,
when click nodes of tree.
Can you help me about the code?
Hi,
create a Binding reference for the tree component in a managed bean and use the following code
String label = ""+tree.getRowData();
Frank
Similar Messages
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How to get a Tree Node Value when a Tree is Expanded
My reqiurement is when i Expand a Tree i need the Expanded tree Node Value. For Example Consider Parent as a Root Node of a Tree, and Consider its two Children Child1 and Child2.
When + Parent Expanded
I will Get the Output as --Parent
- Child1
- Child2
so As when i expand the Tree i must Get the String Value Parent.duplicate
How to get a Tree Node Value when a Tree is Expanded -
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 -
Assigning Selected Tree Node Value To An Item
Hi guys,
I want to assign selected tree node's value to a page item. This item can be a textbox or a label (display only). How can i do that? I tried to use "Selected Node Page Item" property which is available on Tree Attributes. But I couldn't assign the value without refreshing whole page.
Do you have any idea?
Thanks.Hi ,
Thank you that was exactly what I was looking for. I couldn't find how to pass database column to javascript as an input parameter. So thanks for your help. I made a couple of correction :
1) I put additional ' characters to ('''||"NAME"||''') this part because my field is varchar.
select case when connect_by_isleaf = 1 then 0
when level = 1 then 1
else -1
end as status,
level,
NAME as title,
null as icon,
"ID" as value,
null as tooltip,
'javascript:setFObjName('''||"NAME"||''')' As link
from "#OWNER#"."TABLE_NAME"
start with "PID" is null
connect by prior "ID" = "PID"
2) In script I have added ' character before and after page item.
function setFObjName(pobjName){
$s('P1_OBJ_NAME', pobjName);
So it works. Thanks tfor your help. -
Programmatically getting ADF Tree node value(Version 11.1.2.0.0)
Hi Forum,
My Jdeveloper version 11.1.2.0.0
and i am using Fusion Web Application (ADF) Template.
In my .jspx page i have added ADF Tree.
Now i want to get node value from backing bean.
My java code is
public void selectevent(SelectionEvent evt) {
RichTree tree = (RichTree)evt.getSource();
TreeModel model = (TreeModel)tree.getValue();
RowKeySet rowKeySet = evt.getAddedSet();
Object key = rowKeySet.iterator().next();
model.setRowKey(key);
JUCtrlValueBinding nodeBinding = (JUCtrlValueBinding)model.getRowData();
if(model.getDepth()==1){
int empid = (Integer)nodeBinding.getAttribute("EmployeeId");
when i click on second node the following error occured.
<LifecycleImpl> <_handleException> ADF_FACES-60098:Faces lifecycle receives unhandled exceptions in phase INVOKE_APPLICATION 5
javax.el.ELException: java.lang.NullPointerException
at com.sun.el.parser.AstValue.invoke(Unknown Source)
at com.sun.el.MethodExpressionImpl.invoke(Unknown Source)
at org.apache.myfaces.trinidad.component.UIXComponentBase.broadcastToMethodExpression(UIXComponentBase.java:1579)
at org.apache.myfaces.trinidad.component.UIXTree.broadcast(UIXTree.java:237)
at oracle.adf.view.rich.component.rich.data.RichTree.broadcast(RichTree.java:305)
at org.apache.myfaces.trinidad.component.UIXCollection.broadcast(UIXCollection.java:157)
at org.apache.myfaces.trinidad.component.UIXTree.broadcast(UIXTree.java:244)
at oracle.adf.view.rich.component.rich.data.RichTree.broadcast(RichTree.java:305)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.broadcastEvents(LifecycleImpl.java:1129)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:353)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:204)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:173)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:121)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Caused by: java.lang.NullPointerException
at tree.view.clsTreeTest.selectevent(clsTreeTest.java:23)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
... 48 more
<RegistrationConfigurator> <handleError> ADF_FACES-60096:Server Exception during PPR, #1
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:1579)
at org.apache.myfaces.trinidad.component.UIXTree.broadcast(UIXTree.java:237)
at oracle.adf.view.rich.component.rich.data.RichTree.broadcast(RichTree.java:305)
at org.apache.myfaces.trinidad.component.UIXCollection.broadcast(UIXCollection.java:157)
at org.apache.myfaces.trinidad.component.UIXTree.broadcast(UIXTree.java:244)
at oracle.adf.view.rich.component.rich.data.RichTree.broadcast(RichTree.java:305)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.broadcastEvents(LifecycleImpl.java:1129)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:353)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:204)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:173)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:121)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Caused by: java.lang.NullPointerException
at tree.view.clsTreeTest.selectevent(clsTreeTest.java:23)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
... 48 more
Please any solution to get node value programmatically.
ThanksThanks
After applying new code when i click on first node it is working fine but click on second node it produced error like below
<FacesCtrlHierBinding$FacesModel> <makeCurrent> ADFv: No row found for rowKey: [oracle.jbo.Key[], oracle.jbo.Key[]].
<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:1579)
at org.apache.myfaces.trinidad.component.UIXTree.broadcast(UIXTree.java:237)
at oracle.adf.view.rich.component.rich.data.RichTree.broadcast(RichTree.java:305)
at org.apache.myfaces.trinidad.component.UIXCollection.broadcast(UIXCollection.java:157)
at org.apache.myfaces.trinidad.component.UIXTree.broadcast(UIXTree.java:244)
at oracle.adf.view.rich.component.rich.data.RichTree.broadcast(RichTree.java:305)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.broadcastEvents(LifecycleImpl.java:1129)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:353)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:204)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:173)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:121)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Caused by: java.lang.NullPointerException
at tree.view.clsTreeTest.selectevent(clsTreeTest.java:69)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
... 48 more
<RegistrationConfigurator> <handleError> ADF_FACES-60096:Server Exception during PPR, #1
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:1579)
at org.apache.myfaces.trinidad.component.UIXTree.broadcast(UIXTree.java:237)
at oracle.adf.view.rich.component.rich.data.RichTree.broadcast(RichTree.java:305)
at org.apache.myfaces.trinidad.component.UIXCollection.broadcast(UIXCollection.java:157)
at org.apache.myfaces.trinidad.component.UIXTree.broadcast(UIXTree.java:244)
at oracle.adf.view.rich.component.rich.data.RichTree.broadcast(RichTree.java:305)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.broadcastEvents(LifecycleImpl.java:1129)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl._executePhase(LifecycleImpl.java:353)
at oracle.adfinternal.view.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:204)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:312)
at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:227)
at weblogic.servlet.internal.StubSecurityHelper.invokeServlet(StubSecurityHelper.java:125)
at weblogic.servlet.internal.ServletStubImpl.execute(ServletStubImpl.java:300)
at weblogic.servlet.internal.TailFilter.doFilter(TailFilter.java:26)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adf.model.servlet.ADFBindingFilter.doFilter(ADFBindingFilter.java:173)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.adfinternal.view.faces.webapp.rich.RegistrationFilter.doFilter(RegistrationFilter.java:121)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at oracle.adfinternal.view.faces.activedata.AdsFilter.doFilter(AdsFilter.java:60)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl$FilterListChain.doFilter(TrinidadFilterImpl.java:468)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl._doFilterImpl(TrinidadFilterImpl.java:293)
at org.apache.myfaces.trinidadinternal.webapp.TrinidadFilterImpl.doFilter(TrinidadFilterImpl.java:199)
at org.apache.myfaces.trinidad.webapp.TrinidadFilter.doFilter(TrinidadFilter.java:92)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.security.jps.ee.http.JpsAbsFilter$1.run(JpsAbsFilter.java:111)
at java.security.AccessController.doPrivileged(Native Method)
at oracle.security.jps.util.JpsSubject.doAsPrivileged(JpsSubject.java:313)
at oracle.security.jps.ee.util.JpsPlatformUtil.runJaasMode(JpsPlatformUtil.java:413)
at oracle.security.jps.ee.http.JpsAbsFilter.runJaasMode(JpsAbsFilter.java:94)
at oracle.security.jps.ee.http.JpsAbsFilter.doFilter(JpsAbsFilter.java:161)
at oracle.security.jps.ee.http.JpsFilter.doFilter(JpsFilter.java:71)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at oracle.dms.servlet.DMSServletFilter.doFilter(DMSServletFilter.java:136)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.RequestEventsFilter.doFilter(RequestEventsFilter.java:27)
at weblogic.servlet.internal.FilterChainImpl.doFilter(FilterChainImpl.java:56)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.wrapRun(WebAppServletContext.java:3715)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:3681)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120)
at weblogic.servlet.internal.WebAppServletContext.securedExecute(WebAppServletContext.java:2277)
at weblogic.servlet.internal.WebAppServletContext.execute(WebAppServletContext.java:2183)
at weblogic.servlet.internal.ServletRequestImpl.run(ServletRequestImpl.java:1454)
at weblogic.work.ExecuteThread.execute(ExecuteThread.java:209)
at weblogic.work.ExecuteThread.run(ExecuteThread.java:178)
Caused by: java.lang.NullPointerException
at tree.view.clsTreeTest.selectevent(clsTreeTest.java:69)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
... 48 more -
How Do I search for a Node and highlight it using the Node Label?
I want to start searching from any child level and not the root node.
Regards,
Eric.search
hightlight (select) -
How to get Value of tree node without Reload Page
hi,
i worked with apex 4.2 and i created Tree and tabular form to retrieve the date according the value of tree select node the code of tree something like this
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,
null as tooltip,
'f?p=36648:34:5234984107903::::P40_SELECTED_NODE:'||empno as link
from "DEPT"."EMP"
start with "MGR" is null
connect by prior "EMPNO" = "MGR"
order siblings by "ENAME
and i put Selected Node Page Item: P40_SELECTED_NODE . the tree worked good and retrieve the data into tabular form according to tree node value
my Question :
1- i want to retrieve the data without submit the page where each time i select value from tree make page reload to update the tabular form with new value ,there is any way to pass the value of tree node to P40_SELECTED_NODE item and refresh tabular form without page reload .
2- i want when selected from tree run page process according to value of tree node i tray to create Dynamic action with *(jquery selector : div.tree li>a)* but the Value of node incorrect.
Regards
Ahmed;look at this link
Re: How to get Value of tree node without Reload Page ..! -
I have a tree with 3 level and it is working fine.. In view mode I need the First child value of the 3rd level with out clicking / Selecting from teh Tree node..
for eg;
A -- ist level
Ap -- 2nd level
Apple -- 3rd level
So What I need is that I should get a message 'Apple' While landing teh Form itself without clicking on teh Tree
Thanks in Advance...To my knowledge it is not possible to get the value of a node which is not selected.
What you have to do is to build up a memory structure similar to your tree, then you can access any node at any time.
Peter -
How to get the selected node value of a tree which is build on java code
Hi Experts,
How can i get the selected node value if I build the tree programatically.
I am using the following code in selectionListener but it is throwing error.
RichTreeTable treeTable = (RichTreeTable)getQaReasontreeTable();
CollectionModel _tableModel =
(CollectionModel)treeTable.getValue();
RowKeySet _selectedRowData = treeTable.getSelectedRowKeys();
Iterator rksIterator = _selectedRowData.iterator();
String selectedQaCode ="";
while (rksIterator.hasNext()) {
List key = (List)rksIterator.next();
JUCtrlHierBinding treeTableBinding =
(JUCtrlHierBinding)((CollectionModel)treeTable.getValue()).getWrappedData();
JUCtrlHierNodeBinding nodeBinding =
treeTableBinding.findNodeByKeyPath(key);
String nodeStuctureDefname =
nodeBinding.getHierTypeBinding().getStructureDefName();
selectedQaCode = selectedQaCode + nodeBinding.getAttribute(0);
where I am using following link to create a tree with java code.
http://one-size-doesnt-fit-all.blogspot.com/2007/05/back-to-programming-programmatic-adf.html
Please help me in resolving this issue.
Regards
GayazHi,
you should also move
JUCtrlHierBinding treeTableBinding =
(JUCtrlHierBinding)((CollectionModel)treeTable.getValue()).getWrappedData();
out of the while loop as this is not necessary to be repeated for each key in the set
Frank -
How to modify a node value in a DOM tree?
I have following code; it parses a XML file from a file and builds a in-memory DOM tree, but when I tries to modify one of the node value, it keeps telling me: oracle.xml.parser.v2.XMLDOMException: Node cannot be modified. How do I do it?
// ==================================
DOMParser theParser = new DOMParser();
theParser.setValidationMode(false);
InputStream theInputStream = myApp.class.getResourceAsStream("/test.xml");
theParser.parse(theInputStream);
XMLDocument theXMLDoc = theParser.getDocument();
NodeList theNodeList = theXMLDoc.selectNodes("/root/child");
for (int i = 0; i < theNodeList.getLength(); i++)
theNodeList.item(i).setNodeValue("test");
nullYou're trying to set the node value of an element, which cannot have a node value.
You need to set the node value of the text-node child of the element instead.
Or remove the current text-node child and append a new text-node child with the new value. -
Formatting multiple values in ADF tree node
JDeveloper 11.1.2.2.0 -- WinXP
I have an ADF tree component that is bound to a table with two values per node level.
The results look like:
Fruit 1234
-- VineGrown 5678
-- Grapes 4567
-- Red 1234
-- Green 56
Veggie 4567
-- Root 45
-- Carrot 34
-- Potato 987What I want to be able to do is format the outputText so that it will end up looking more like "Fruit :: Total 1234"
The issue is that the EL of #{node} displays both the node level value and the number as one item. This is in the facet nodeStamp.
If I try and get more specific with the EL, I can separate out the Uses number by doing #{node.Uses} but I can't get the node name to still be dynamic for each level.
My binding options for node are shown as:
node.Type
node.GrownLocation
node.Group
node.Value
node.Uses
Of course setting the first #{node} to any of these more specific values doesn't display at all for the node levels that don't correspond to just that one level.
Ideally the EL line would look something like:
<af:outputText value="#{node.name} :: Total: #{node.Uses}" id="ot3"/>where node.name could be any one of the levels: Type, GrownLocation, Group, etc.
Is this something that pathStamp would be used for? I couldn't really figure out how pathStamp worked from the docs.
Thanks for any help. Hopefully this makes some sense.
--jbYou can try something like this:
<af:column id="c1">
<af:outputText value="#{node.name} :: Total: #{node.Uses}" id="ot3" rendered="#{node.name != null}"/>
<af:outputText value="#{node.Type} :: Total: #{node.Uses}" id="ot3" rendered="#{node.Type!= null}"/>
<af:outputText value="#{node.GrownLocation} :: Total: #{node.Uses}" id="ot3" rendered="#{node.GrownLocation!= null}"/>
<af:outputText value="#{node.Group} :: Total: #{node.Uses}" id="ot3" rendered="#{node.Group!= null}"/>
</af:column>So the rendered property will make sure that the correct node is displayed according to each level.
Hope this helps. -
How to fill or bind data using Value Node in Tree Node
Hi Gurus,
Can anybody help me on how to fill data or bind data using Value Node in Tree Node View. I know how to create Tree Node but not able to show value on the UI in Tree View.
Can u please let if anybody has done it?
Thanks in advance.
Madhusudancontinued...
TRY.
lv_child = me->node_factory->get_proxy(
iv_bo = lv_value_node
iv_parent_proxy = me
iv_proxy_type = 'ZL_CLASS_CN02' ).
lv_child->is_leaf = 'X'.
APPEND lv_child TO rt_children.
CATCH cx_sy_move_cast_error cx_sy_ref_is_initial.
ENDTRY.
In the above code iv_bo , lv_value_node will be the actual object of the second node or leaf node here, which will have the same structure of parent node along with data. After/before this, you would need to build table and refresh in do-prepare_output of IMPL class.In the above code iv_bo , lv_value_node will be the actual object of the second node or leaf node here, which will have the same structure of parent node along with data. After/before this, you would need to buid table and refresh in do-prepare_output of IMPL class.
ztyped_context->resultlist->build_table( ).
IF ztyped_context->resultlist->node_tab IS INITIAL.
ztyped_context->resultlist->refresh( ).
ENDIF.
Also the EH_ONEXPAND has to be implemented and event handled in DO_HANDLE_EVENT. But this expand event has to be delegated to context node directly as CL_BSP_WD_CONTEXT_NODE_TREE will already have the implementation.
ztyped_context->resultlist->expand_node( lv_event->row_key ).
Where in result list is the node ZL_CLASS_CN00.
After typing the whole content , i found this blog :). There are few things i have written more that in the blog. /people/poonam.assudani/blog/2009/06/24/create-a-tree-view-display-in-crm-web-ui
Regards,
Karthik -
Value of currently selected tree node
Hi there,
I'm new to Apex(4.1.1) and i'm having a little problem.
I got 2 Pages. The frist one consists of a treeregion and a submit button.
The Second one is a Report.
I want to create a workflow, that the user selects a treenode and presses submit. Then he'll be redirected to the reportspage,
wich will show him a report depending on the treenode he selected on the first Page.
Problem:
I have no idea how i can read the value of the selected treenode.
I hope you can help me.
thanks,
FredericHi Frederic,
To obtain the value of the selected tree node, you can make use of the "Selected Page Node Item" attribute on the Tree Attributes page. Just create an item on your page, and set the "Selected Page Node Item" to that new page item. Then populate that item via the LINK parameter of your tree query. For an example, take a look at the following: http://apex.oracle.com/pls/apex/f?p=36648:6 , where I'm setting my page item P6_SELECTED_NODE to the value of the node selected on the first tree i.e. empno. Your report query would need to reference the "Selected Page Node Item", to ensure that it displays information related to the selected tree node.
I hope this helps.
Regards,
Hilary -
How to resize a custom tree node like you would a JFrame window?
Hello,
I am trying to resize a custom tree node like you would a JFrame window.
As with a JFrame, when your mouse crosses the Border, the cursor should change and you are able to drag the edge to resize the node.
However, I am faced with a problem. Border cannot detect this and I dont want to use a mouse motion listener (with a large number of nodes, I fear it will be inefficient, calculating every node's position constantly).
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Insets;
import java.util.EventObject;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeCellEditor;
import javax.swing.tree.DefaultTreeCellRenderer;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.TreeSelectionModel;
public class ResizeNode extends JPanel {
AnilTreeCellRenderer2 atcr;
AnilTreeCellEditor2 atce;
DefaultTreeModel treeModel;
JTree tree;
DefaultMutableTreeNode markedNode = null;
public ResizeNode() {
super(new BorderLayout());
treeModel = new DefaultTreeModel(null);
tree = new JTree(treeModel);
tree.setEditable(true);
tree.getSelectionModel().setSelectionMode(
TreeSelectionModel.SINGLE_TREE_SELECTION);
tree.setShowsRootHandles(true);
tree.setCellRenderer(atcr = new AnilTreeCellRenderer2());
tree.setCellEditor(atce = new AnilTreeCellEditor2(tree, atcr));
JScrollPane scrollPane = new JScrollPane(tree);
add(scrollPane,BorderLayout.CENTER);
public void setRootNode(DefaultMutableTreeNode node) {
treeModel.setRoot(node);
treeModel.reload();
public static void main(String[] args){
ResizeNode tb = new ResizeNode();
tb.setPreferredSize(new Dimension(400,200));
JFrame frame = new JFrame("ResizeNode");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setContentPane(tb);
frame.setSize(400, 200);
frame.pack();
frame.setVisible(true);
tb.populate();
private void populate() {
TextAreaNode2 r = new TextAreaNode2(this);
setRootNode(r);
TextAreaNode2 a = new TextAreaNode2(this);
treeModel.insertNodeInto(a, r, r.getChildCount());
class AnilTreeCellRenderer2 extends DefaultTreeCellRenderer{
TreeBasic panel;
DefaultMutableTreeNode currentNode;
public AnilTreeCellRenderer2() {
super();
public Component getTreeCellRendererComponent
(JTree tree, Object value, boolean selected, boolean expanded,
boolean leaf, int row, boolean hasFocus){
TextAreaNode2 currentNode = (TextAreaNode2)value;
NodeGUI2 gNode = (NodeGUI2) currentNode.gNode;
return gNode.box;
class AnilTreeCellEditor2 extends DefaultTreeCellEditor{
DefaultTreeCellRenderer rend;
public AnilTreeCellEditor2(JTree tree, DefaultTreeCellRenderer r){
super(tree, r);
rend = r;
public Component getTreeCellEditorComponent(JTree tree, Object value,
boolean isSelected, boolean expanded, boolean leaf, int row){
return rend.getTreeCellRendererComponent(tree, value, isSelected, expanded,
leaf, row, true);
public boolean isCellEditable(EventObject event){
return true;
class NodeGUI2 {
final ResizeNode view;
Box box = Box.createVerticalBox();
final JTextArea aa = new JTextArea( 1, 5 );
final JTextArea aaa = new JTextArea( 1, 8 );
NodeGUI2( ResizeNode view_ ) {
this.view = view_;
box.add( aa );
aa.setBorder( BorderFactory.createMatteBorder( 0, 0, 1, 0, Color.GREEN ) );
box.add( aaa );
box.setBorder( BorderFactory.createMatteBorder( 5, 5, 5, 5, Color.CYAN ) );
private Dimension getEditorPreferredSize() {
Insets insets = box.getInsets();
Dimension boxSize = box.getPreferredSize();
Dimension aaSize = aa.getPreferredSize();
Dimension aaaSize = aaa.getPreferredSize();
int height = aaSize.height + aaaSize.height + insets.top + insets.bottom;
int width = Math.max( aaSize.width, aaaSize.width );
if ( width < boxSize.width )
width += insets.right + insets.left + 3; // 3 for cursor
return new Dimension( width, height );
class TextAreaNode2 extends DefaultMutableTreeNode {
NodeGUI2 gNode;
TextAreaNode2(ResizeNode view_) {
gNode = new NodeGUI2(view_);
}the node on the tree is only painted on using the
renderer to do the painting work. A mouse listener
has to be added to the tree, and when moved over an
area, you have to determine if you are over the
border and which direction to update the cursor and
to know which way to resize when dragged. One of the
BasicRootPaneUI has some code that can help determine
that.Thanks for replying. What is your opinion on this alternative idea that I just had?
I am wondering if it might be easier to have a toggle button in the node that you click when you want to resize the node. Then a mouse-down and dragging the mouse will resize the node. Mouse-up will reset the toggle button, and so will mouse down in an invalid area.
Anil -
How can I display the tooltip in a tree node?
I implement a TreeCellRenderer and has already set the tooltiptext through the following code:
public Component getTreeCellRendererComponent(JTree tree, Object value,
boolean selected, boolean expanded,
boolean leaf, int row,
boolean hasFocus) {
Object userObject = ((DefaultMutableTreeNode)value).getUserObject();
if(Leaf.class.isInstance(userObject)) {
Leaf leaf = (Leaf)userObject;
setToolTipText(leaf.getString());
}Why can't the tree display the tooltip when a move the mouse on the leaf of the tree?
Thank you!import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.tree.*;
public class Test3 extends JFrame {
public Test3() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container content = getContentPane();
JTree jt = new JTree() {
public String getToolTipText(MouseEvent evt) {
if (getRowForLocation(evt.getX(), evt.getY()) == -1)
return null;
TreePath curPath = getPathForLocation(evt.getX(),
evt.getY());
return curPath.getLastPathComponent().toString();
content.add(new JScrollPane(jt), BorderLayout.CENTER);
jt.setToolTipText("");
setSize(400, 400);
setVisible(true);
public static void main(String[] args) { new Test3();
}It sounds a solution. I use the following code and also can display the tooltip,but there's also a problem:
mytree.setCellRenderer(new MyTreeCellRenderer());
ToolTipManager.sharedInstance().registerComponent(mytree);the above code only effective when the function getTreeCellRendererComponent in MyTreeCellRenderer like the following:
public Component getTreeCellRendererComponent(JTree tree, Object value,
boolean selected, boolean expanded,
boolean leaf, int row,
boolean hasFocus) {
String stringValue = tree.convertValueToText(value, selected,
expanded, leaf, row, hasFocus);
setText(stringValue);
setToolTipText(stringValue); //Tooltips used by the tree
/* Set the icon of the node */
Object userObject = ((DefaultMutableTreeNode)value).getUserObject();
if(Device.class.isInstance(userObject)) {
setIcon(deviceIcon);
} else {
setIcon(nullIcon);
Business b = (Business)userObject;
setFont(defaultFont);
/* Update the selected flag for the next paint. */
this.selected = selected;
this.hasFocus = hasFocus;
if(selected) // && hasFocus)
setForeground(Color.white);
else
setForeground(Color.black);
return this;
}but when the code is bellow,it displays nothing(Only the leaf node need tooltip):
public Component getTreeCellRendererComponent(JTree tree, Object value,
boolean selected, boolean expanded,
boolean leaf, int row,
boolean hasFocus) {
String stringValue = tree.convertValueToText(value, selected,
expanded, leaf, row, hasFocus);
setText(stringValue);
//setToolTipText(stringValue); //Tooltips used by the tree
/* Set the icon of the node */
Object userObject = ((DefaultMutableTreeNode)value).getUserObject();
if(Device.class.isInstance(userObject)) {
setIcon(deviceIcon);
} else {
setIcon(nullIcon);
Business b = (Business)userObject;
if(b.isShowOrder())
setToolTipText(b.getContaId()); // only some node need tooltip, not all node
setFont(defaultFont);
/* Update the selected flag for the next paint. */
this.selected = selected;
this.hasFocus = hasFocus;
if(selected) // && hasFocus)
setForeground(Color.white);
else
setForeground(Color.black);
return this;
}Anyone knows why?
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