How to add child node in Tree table programmetically

Jdev Version 11.1.1.4.0.
I have created tree table programmetically in bean.
I have to add child node to tree table component on button click event on page.
Please let me know how to do this in bean.
Regards,
Kiran

How are you creating the tree pro-grammatically?
If you are adding a new node to underlying data structure and refresh the tree - the tree will get updated with the new data.
Thanks,
Navaneeth

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DATA obj_tree1 TYPE REF TO cl_gui_alv_tree.
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Hi All,
We have a .jsff page with tree bindings to display a three-level hierarchy tree table.Suppose the hierarchy is
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In both the cases(for new department or employee), we are following the approach mentioned below:
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Hi,
Thanks for the reply.
I looked at the code given in sample 61.
In the sample, a new node is not added dynamically (for ex.either new location or its child nodes.)
As mentioned in the above post, after adding a new node at a level in our use case, when we perform the refresh of the tree-table's iterator,the selection state of the rows is not shown on the table.
If the tree-table's iterator is not refreshed and the treeTable.setSelectedRowKeys() is executed, the rows get selected but the subsequent node additions do not show up in the table as the table's iterator is not refreshed.
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Need to display only leaf and not the node using tree table

Hi,
Am using Jdeveloper 11.1.2.0.0 . As per requirement , am having Department - Employee View wherein Department is the parent considered as node and Employee as a child which is considered as a leaf. Having dragged and dropped the DepartmentView as a tree table -> shuttle department id and department name to be displayed -> added EmployeeView to the same and shuttled employee id along with the first and last name. so this works as it has to be in the below structure...
10 ADF
256 A
257 B
258 C
20 JAVA
259 D
260 E
Code for the same ..
<af:treeTable value="#{bindings.DepartmentsView.treeModel}" var="node"
selectionListener="#{bindings.DepartmentsView.treeModel.makeCurrent}" rowSelection="single" id="tt1">
<f:facet name="nodeStamp">
<af:column id="c1">
<af:outputText value="#{node}" id="ot1"/>
</af:column>
</f:facet>
<f:facet name="pathStamp">
<af:outputText value="#{node}" id="ot2"/>
</f:facet>
</af:treeTable>
*Here comes my requirement , need to display only the leaf nodes which has employee name [Employees] and need to hide the node [Department] in the below structure....*
256 A
257 B
258 C
259 D
260 E
Things tried to achieve the requirement....
1. Got only the EmployeeName in the nodeStamp facet as below. Hence am getting only Employee name but the issue is am getting the icon for the node [Parent - Department]. Now how do i hide the same.
<af:treeTable value="#{bindings.DepartmentsView.treeModel}" var="node"
selectionListener="#{bindings.DepartmentsView.treeModel.makeCurrent}" rowSelection="single" id="tt1">
<f:facet name="nodeStamp">
<af:column id="c1">
<af:outputText *value="#{node.FirstName}"* id="ot1"/>
</af:column>
</f:facet>
<f:facet name="pathStamp">
<af:outputText value="#{node}" id="ot2"/>
</f:facet>
</af:treeTable>
Please do suggest some solution....
Thanks and Regards,
Vinitha G

Hi,
Thanks for the reply. As the project has already implemented tree table they do not wanna change any logic written for the same. So they wanted to just display only the leaf node data using treetable component. Can you please suggest.
Thanks and Regards,
Vinitha G

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when I am deleting any child node and after deleting the node I am clicking on the root node of the deleted node the it gives me null pointer Ecxeption .
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Raviraj Gangrade

thanks deepsix for helping me
it gives me java.lang.NullPointerException and class name is
net.sf.saxon.dom.NodeWrapper$ChildEnumeration
here is my Stack Trace
javax.faces.FacesException: #{Graphs.childNode_action}: javax.faces.el.EvaluationException: java.lang.NullPointerException
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:78)
at com.sun.rave.web.ui.appbase.faces.ActionListenerImpl.processAction(ActionListenerImpl.java:57)
at javax.faces.component.UICommand.broadcast(UICommand.java:312)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:307)
at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:79)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:221)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
at sun.reflect.GeneratedMethodAccessor270.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.sun.rave.web.ui.util.UploadFilter.doFilter(UploadFilter.java:194)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:189)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.doProcess(ProcessorTask.java:604)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:475)
at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:371)
at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:264)
at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:281)
at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:83)
Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:130)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)
... 44 more
Caused by: java.lang.NullPointerException
at pegasusweb.Graphs.childNode_action(Graphs.java:1075)
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:585)
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:126)
... 45 more
|#]
[#|2006-11-30T14:51:30.000+0530|SEVERE|sun-appserver-pe8.2|javax.enterprise.system.container.web|_ThreadID=16;|StandardWrapperValve[Faces Servlet]: Servlet.service() for servlet Faces Servlet threw exception
com.sun.rave.web.ui.appbase.ApplicationException: #{Graphs.childNode_action}: javax.faces.el.EvaluationException: java.lang.NullPointerException
at com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.destroy(ViewHandlerImpl.java:601)
at com.sun.rave.web.ui.appbase.faces.ViewHandlerImpl.renderView(ViewHandlerImpl.java:302)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:87)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:221)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:117)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:198)
at sun.reflect.GeneratedMethodAccessor270.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:249)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAsPrivileged(Subject.java:517)
at org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:282)
at org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:165)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:257)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at com.sun.rave.web.ui.util.UploadFilter.doFilter(UploadFilter.java:194)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationFilterChain.access$000(ApplicationFilterChain.java:55)
at org.apache.catalina.core.ApplicationFilterChain$1.run(ApplicationFilterChain.java:161)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:263)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:173)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:132)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:551)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:933)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:189)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.doProcess(ProcessorTask.java:604)
at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:475)
at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:371)
at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:264)
at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:281)
at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:83)
Caused by: javax.faces.FacesException: #{Graphs.childNode_action}: javax.faces.el.EvaluationException: java.lang.NullPointerException
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:78)
at com.sun.rave.web.ui.appbase.faces.ActionListenerImpl.processAction(ActionListenerImpl.java:57)
at javax.faces.component.UICommand.broadcast(UICommand.java:312)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:267)
at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:307)
at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:79)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:221)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:90)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:197)
... 36 more
Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:130)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:72)
... 44 more
Caused by: java.lang.NullPointerException
at pegasusweb.Graphs.childNode_action(Graphs.java:1075)
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:585)
at com.sun.faces.el.MethodBindingImpl.invoke(MethodBindingImpl.java:126)
... 45 more
|#]

How to add two nodes in a Hierarchy

Hi Experts,
                I have 0ACCOUNT hierarchy using for P&L report. I developed this hierarchy to get the values of Revenue and Expenses (nodes). Once I get this values I want the difference of this two to get the Income Statement. I have Revenue and Expense in 3 rd level and Income statement node is in 2nd level.
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Ganesh Reddy.

How to highlight a row in tree table - jdev 11.1.2

Hello:
Given a key, I want to highlight (select/set currency) the corresponding row in a tree table. I thought the following code would highlight the row in the tree table that corresponds to the key, but nothing is highlighted in the tree table. ie---> treeTable.setSelectedRowKeys(selectedRowKeys); What am I doing wrong? Thanks much.
public String cb1_action() {
BindingContainer bindings = getBindings();
OperationBinding operationBinding = bindings.getOperationBinding("Next");
Object result = operationBinding.execute();
if (!operationBinding.getErrors().isEmpty()) {
return null;
DCBindingContainer bc = (DCBindingContainer) getBindings();
DCIteratorBinding iter = (DCIteratorBinding) bc.findIteratorBinding("DDF1Iterator");
RowKeySet selectedRowKeys = new RowKeySetImpl();
ArrayList list = new ArrayList();
Row r = iter.getCurrentRow();
Key k = r.getKey();
list.add(k);
selectedRowKeys.add(list);
treeTable.setSelectedRowKeys(selectedRowKeys);
AdfFacesContext adfc = AdfFacesContext.getCurrentInstance();
adfc.addPartialTarget(treeTable);
}

Hello:
Do you mean setting the selectedRowKeys in the setter method of the treeTable in the Request Scoped Managed Bean?
If that is what you mean, I tried that and there was no change in behavior. (Still does not highlight the correct row in the tree table upon execution of the next method for the bindings) Does anyone have any sample code they can provide that works?
Thanks for the help.

How to insert a row in Tree table which is dragged from the table?

Hi All,
I am having a Tree table and a Table in the same page, like below
Treetable                                         Table
Item1                                              Subitem12
     Subitem1                                   Subitem13
     Subitem2                                   Subitem14
     Subitem3                                   Subitem15
     Subitem4                                   Subitem16
Item2                                              Subitem17
     Subitem5                                   Subitem18
     Subitem6                                   Subitem19
     Subitem7                                   Subitem20
     Subitem8                                   Subitem21
Item3
     Subitem9
     Subitem10
     Subitem11
The requirement is i need to "drag" a row from the Table and place it under any parent node in the Tree table.
What i have done is I make the Tree table as ".ui-sortable" and table as a "draggable".
I am not able to find the position of the dragged item when i dropped it in the Treetable.
Please provide me a solution.
Regards,
Aravindh

Hello:
Do you mean setting the selectedRowKeys in the setter method of the treeTable in the Request Scoped Managed Bean?
If that is what you mean, I tried that and there was no change in behavior. (Still does not highlight the correct row in the tree table upon execution of the next method for the bindings) Does anyone have any sample code they can provide that works?
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How to add new row to adf table progrmatically

Hi,
I have a bean with a list and correspoding getter & setter methods inside it.
I created a datacontrol out of the bean and I am displaying af:table in the ui
binded to this list.
Ex:
public class StudentBean {
private List<Student> students;
// getter & setter methods.
jsp
<af:table value="#{bindings.students.collectionModel}" var="row"
rows="#{bindings.students.rangeSize}"
emptyText="#{bindings.students.viewable ? 'No data to display.' : 'Access Denied.'}"
fetchSize="#{bindings.students.rangeSize}"
rowBandingInterval="0"/>
How to add a new row programitically to this adf table.
I dragged and dropped 'Create' from operations menu on to jsp.
But on click of that.no new row is being added to the current table.
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Thanks,
Praveen

Hi,
The source code is as below.
<af:table value="#{bindings.students.collectionModel}" var="row"
rows="#{bindings.students.rangeSize}"
emptyText="#{bindings.students.viewable ? 'No data to display.' : 'Access Denied.'}"
fetchSize="#{bindings.students.rangeSize}"
rowBandingInterval="0"
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filterVisible="true" varStatus="vs"
selectedRowKeys="#{bindings.rscGroups.collectionModel.selectedRow}"
selectionListener="#{bindings.rscGroups.collectionModel.makeCurrent}"
rowSelection="single" id="t1"/>
<af:commandButton actionListener="#{bindings.Create.execute}"
text="Create" disabled="#{!bindings.Create.enabled}"
id="cb1" partialTriggers="t1"/>
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On click of this button,it is not adding a row dynamically.
Thanks,
Praveen

How to add child node in Tree table programmetically

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