How to re-open tree nodes after a refresh to AdvancedDataGrid's GroupingCollection?

Hello,
I have an AdvancedDataGrid, which has as it's dataProvider a
GroupingCollection. The GroupingCollection's source is bound to an
ArrayCollection. Items in the ArrayCollection can be edited.
After a change to the ArrayCollection, I refresh() the
GroupingCollection so it displays properly. Unfortunately, this
collapses the tree of the AdvancedDataGrid, that is, the previously
open nodes are no longer open. I would like to re-open the nodes
after a refresh.
In the code provided, I have attempted to save the nodes
which were open before the refresh, perform the refresh, then
re-expand the nodes with AdvancedDataGrid.expandItem(). But it
didn't work, and I am stumped.
Any ideas on how to expand nodes in the AdvancedDataGrid?
or
Any ideas on how to allow the user to modify a data item,
including fields used as GroupingFields, in an AdvancedDataGrid?

Yes, I try saving the nodes like this:
//save the currently opened items
openArray = new Array();
for each(var obj:Object in advancedDataGrid.openItems)
openArray = openArray.concat(obj);
and then restoring them with the expand function:
//expands the nodes which are passed in as the argument
private var expand:Function = function(array:Array):void
for each(var obj:Object in array)
advancedDataGrid.expandItem(obj, true);
Unfortunately, expandItem just seems to return without doing
anything!

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Hi,
I have a tree structure using CL_GUI_ALV_TREE.
I would like to capture only the expanded nodes AFTER open and close operation.
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Summary:
How to repair Open Directory after Changing your Server's Hostname (see separate post)
Problem:
I had to change our server's hostname from a private hostname (server.name.private) to a public hostname (name.dyndns.org).
Procedure:
1. Precautions:
Since I was anticipating major dramas I tested the change of hostname on a clone ( I used Super Duper, and I very strongly advise everybody to heed this warning because a change of hostname will corrupt your server services, in particular Open Directory)
Second, I exported the network users from Server Admin and copied the archive to the Drop Folder of the server's local account (because the network accounts will be unavailable after demoting the OD Master.)
2. Change hostname and demote OD Master
a) I re-booted the server from the clone
b) I changed the hostname in Server App and I noticed that the Open Directory Password and the Kerberos database were still stuck with the old hostname.
c) I then demoted to a standalone directory (Server Admin) and I tried to promote the server to an OD Master using the Server App (Manage Network Accounts). Server App always returned an error saying I should check my network settings.
3. List of 'fixes'
I tried the following fixes to no avail (which does not mean that you can skip them)
a) I checked the DNS entries, forward and reverse were working fine (sudo checkip -changehostname)
b) Checked with Lookup in Network Utility, all was fine
c) I deleted all system certificates (Keychain) which showed the name of the previous hostname
( N.B. you need not delete email certificate and private/public keys)
d) I tried to assign a new static IP in Networking Preferences (had no visible result)
e) I re-booted from the working drive and I re-paired permissions on the clone; I ran disk repairs.
Despite all this I could not re-create an OD Master.
I then looked for this dubious folder /var/root/Library/Application Support/Certificate Authority.
I could not find this folder when using the Finder's Go To Folder, nor did "Easy Find" see this folder.
I was about to give up when I read the posts on this page and I entered the Terminal commands
sudo rm -R /var/root/Library/Application\ Support/Certificate\ Authority/
I had not much hope when I set about to re-create the OD Master from the Server App.
But lo and behold !!! I did not trust my eyes when Server App claimed that the OD Master had been successfully created. And indeed, Server admin showed a running OD Master, LDAP, Kerberos and Password Server all running again !
Final touch: re-import the user accounts.
Epilogue:
I woud not have been able to fix this issue had not so many others shared their experience and the working solution.
(Refer : https://discussions.apple.com/thread/3219325?start=0&tstart=0 )
Thank you all !
Let's hope that Apple will fix this annoying issue in the next server update.
Regards,
Twistan

Hi Rhyan,
Please try clearing the security cache
http://www.sharepointanalysthq.com/2014/05/active-directory-groups-and-sharepoint-security/
https://sergeluca.wordpress.com/2013/07/06/sharepoint-2013-use-ag-groups-yes-butdont-forget-the-security-token-caching-logontokencacheexpirationwindow-and-windowstokenlifetime/
http://webactivedirectory.com/active-directory/windows-active-directory-cached-user-credentials/
Please remember to click 'Mark as Answer' on the answer if it helps you

How to create Hierarchy Tree Node structure?

Hi experts,
          I want to know how to create a tree with kind of below Structure:
Root A
         NodeA1
              ITEMA1_IT1
              ITEMA1_IT2
              ITEMA1_IT3
         NodeA2
              ITEMA2_IT1
              ITEMA2_IT2
         NodeA3
              ITEMA3_IT1
              ITEMA3_IT2
              ITEMA3_IT3
              ITEMA3_IT4
So when i click on Root A it shows me, NODEA1, NODEA2 & NODEA3....
when further i click on NODEA1, it shows me items like ITEMA1_IT1,ITEMA1_IT2, ITEMA1_IT3.
when further i click on NODEA2, it shows me items like ITEMA2_IT1,ITEMA2_IT2.
SO item will get loaded when i click on perticular node.
how its possible.
I have gone through SDN so many threads, bt i didn't get exactly for webdynpro ABAP.
Please guide me for the same.
Thanks ,
Saurin Shah

Hi,
you can create the tree you wanted as follows:
1) create a node under your context say "root_node" with cardinality 1..1
2) now create an attribute under it called "text" with type string.
3) now create three nodes under this "root_node" called nodeA1 nodeA2 and nodeA3 with cardinality 0..n
4) now under nodeA1 , nodeA2 and nodeA3 create an attribute called "text" with type string...so each node will have one attribute called "text" of type string...
5) now create a node under nodeA1 called "itemA1" with cardinlity 0..n
6) now create an attribute called "text" of type string under this node "itemA"...
7) repeat step 5 and 6 for the other two nodes...nodeA2 and nodeA3
8) now create six supply functionsthese functions will supply the text values for your nodes-
I created like this:
FILL_ITEM1
FILL_ITEM2
FILL_ITEM3
FILL_NODEA1
FILL_NODEA2
FILL_NODEA3
Note:*******************my view is called MAIN******************
hence the coding is
data
    lt_elements type if_main=>elements_nodea1.
if you view is called view1...than the data declaration would be
data
    lt_elements type if_view1=>elements_nodea1.
9) go to each node and assign the supply function respectively....you can assign this by going to context tab and selecting the node you want to assign the supply function to and just type in the name of the supply funciton or do the help for that field by clicking on the little square btn...
10) now we go the layout tab and put the tree ui on the layout....bind the datasource property to the context node "root_node"
and bind the rootText property to the attribute "text" of the root_node...
11) now right click on this tree ui element under the ROOTUIELEMENTCONTAINER and select "insert node type" ...a box will appear where you can see it has two types of node for you....one is tree_node_type and other one is tree_item_type...
create three nodes with tree_node_type with names "nodeA1" nodeA2 and nodeA3 and three with tree_item_type with names "itemA1" itemA2 and itemA3...
12) now bind all these node types and item types data sources and texts with corresponding nodes and attributes under your context...
so nodeA1datasource will get bind to context nodeA1 and itemA1 data source will get bind to itemA1 from context..and so on...
13) now in the wddoinit method: I setup the text for the root node.....
DATA lo_nd_root_node TYPE REF TO if_wd_context_node.
DATA lo_el_root_node TYPE REF TO if_wd_context_element.
DATA ls_root_node TYPE wd_this->element_root_node.
DATA lv_root_txt TYPE wd_this->element_root_node-root_txt.
navigate from <CONTEXT> to <ROOT_NODE> via lead selection
lo_nd_root_node = wd_context->get_child_node( name = wd_this->wdctx_root_node ).
get element via lead selection
lo_el_root_node = lo_nd_root_node->get_element( ).
@TODO fill attribute
lv_root_txt = 'Root Node'.
set single attribute
lo_el_root_node->set_attribute(
    name = `ROOT_TXT`
    value = lv_root_txt ).
hope this will give you the solution you are looking for...
Thanks...
AS...........

How to hide a tree node from the GUI but still keep it in the tree model?

Hi, All
I used a JTree in my project in which I have a DefaultTreeModel to store all the tree structure and a JTree show it on the screen. But for some reason, I want to hide some of the nodes from the user, but I don't want to remove them from the tree model because later on I still need to use them.
I searched on the web, some people suggested method to hide the root node, but that's not appliable to my project because I want to hide some non-root nodes; Some people also suggested to collapse the parent node when there are child to hide, it is not appliable to me either, because there still some other childnodes (sibling of the node to hide) I want to show.
How can I hide some of the tree node from the user? Thanks for any information.
Linda

Here's an example using a derivation of DefaultTreeModel that shows (or does not show) two types of Sneech (appologies to the good Dr Zeus) by overiding two methods on the model.
Now, there are many things wrong with this example (using instanceof, for example), but it's pretty tight and shows one way of doing what you want.
Note: to make it useful, you''d have to change the implementation of setShowStarBelliedSneeches() to do something more sophisticated than simply firing a structure change event on the root node. You'd want to find all the star bellied sneech nodes and call fireTreeNodesRemoved(). That way the tree would stay expanded rather than collapse as it does now.
import javax.swing.JTree;
import javax.swing.JScrollPane;
import javax.swing.JOptionPane;
import javax.swing.JCheckBox;
import javax.swing.JPanel;
import javax.swing.tree.TreePath;
import javax.swing.tree.DefaultTreeModel;
import javax.swing.tree.DefaultMutableTreeNode;
import java.awt.Dimension;
import java.awt.BorderLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Enumeration;
class FilteredTree
     private class PlainBelliedSneech {
          public String toString() { return "Plain Bellied Sneech"; }
     private class StarBelliedSneech {
          public String toString() { return "Star Bellied Sneech"; }
     private class FilteredTreeModel
          extends DefaultTreeModel
          private boolean mShowStarBelliedSneeches= true;
          private DefaultMutableTreeNode mRoot;
          FilteredTreeModel(DefaultMutableTreeNode root)
               super(root);
               mRoot= root;
          public Object getChild(Object parent, int index)
               DefaultMutableTreeNode node=
                    (DefaultMutableTreeNode) parent;
               if (mShowStarBelliedSneeches)
                    return node.getChildAt(index);
               int pos= 0;
               for (int i= 0, cnt= 0; i< node.getChildCount(); i++) {
                    if (((DefaultMutableTreeNode) node.getChildAt(i)).getUserObject()
                                        instanceof PlainBelliedSneech)
                         if (cnt++ == index) {
                              pos= i;
                              break;
               return node.getChildAt(pos);
          public int getChildCount(Object parent)
               DefaultMutableTreeNode node=
                    (DefaultMutableTreeNode) parent;
               if (mShowStarBelliedSneeches)
                    return node.getChildCount();
               int childCount= 0;
               Enumeration children= node.children();
               while (children.hasMoreElements()) {
                    if (((DefaultMutableTreeNode) children.nextElement()).getUserObject()
                                        instanceof PlainBelliedSneech)
                         childCount++;
               return childCount;
          public boolean getShowStarBelliedSneeches() {
               return mShowStarBelliedSneeches;
          public void setShowStarBelliedSneeches(boolean showStarBelliedSneeches)
               if (showStarBelliedSneeches != mShowStarBelliedSneeches) {
                    mShowStarBelliedSneeches= showStarBelliedSneeches;
                    Object[] path= { mRoot };
                    int[] childIndices= new int[root.getChildCount()];
                    Object[] children= new Object[root.getChildCount()];
                    for (int i= 0; i< root.getChildCount(); i++) {
                         childIndices= i;
                         children[i]= root.getChildAt(i);
                    fireTreeStructureChanged(this, path, childIndices, children);
     private FilteredTree()
          final DefaultMutableTreeNode root= new DefaultMutableTreeNode("Root");
          DefaultMutableTreeNode parent;
          DefaultMutableTreeNode child;
          for (int i= 0; i< 2; i++) {
               parent= new DefaultMutableTreeNode(new PlainBelliedSneech());
               root.add(parent);
               for (int j= 0; j< 2; j++) {
                    child= new DefaultMutableTreeNode(new StarBelliedSneech());
                    parent.add(child);
                    for (int k= 0; k< 2; k++)
                         child.add(new DefaultMutableTreeNode(new PlainBelliedSneech()));
               for (int j= 0; j< 2; j++)
                    parent.add(new DefaultMutableTreeNode(new PlainBelliedSneech()));
               parent= new DefaultMutableTreeNode(new StarBelliedSneech());
               root.add(parent);
               for (int j= 0; j< 2; j++) {
                    child= new DefaultMutableTreeNode(new PlainBelliedSneech());
                    parent.add(child);
                    for (int k= 0; k< 2; k++)
                         child.add(new DefaultMutableTreeNode(new StarBelliedSneech()));
               for (int j= 0; j< 2; j++)
                    parent.add(new DefaultMutableTreeNode(new StarBelliedSneech()));
          final FilteredTreeModel model= new FilteredTreeModel(root);
          JTree tree= new JTree(model);
tree.setShowsRootHandles(true);
tree.putClientProperty("JTree.lineStyle", "Angled");
          tree.setRootVisible(false);
          JScrollPane sp= new JScrollPane(tree);
          sp.setPreferredSize(new Dimension(200,400));
          final JCheckBox check= new JCheckBox("Show Star Bellied Sneeches");
          check.setSelected(model.getShowStarBelliedSneeches());
          check.addActionListener(new ActionListener() {
               public void actionPerformed(ActionEvent e) {
                    model.setShowStarBelliedSneeches(check.isSelected());
          JPanel panel= new JPanel(new BorderLayout());
          panel.add(check, BorderLayout.NORTH);
          panel.add(sp, BorderLayout.CENTER);
          JOptionPane.showOptionDialog(
               null, panel, "Sneeches on Beeches",
               JOptionPane.DEFAULT_OPTION,
               JOptionPane.PLAIN_MESSAGE,
               null, new String[0], null
          System.exit(0);
     public static void main(String[] argv) {
          new FilteredTree();

How to highlight a tree node programmatically

Problem
=====
Just like a typical management software, I have a navigation tree presenting a list of objects (let's say toasters) on the left panel. The content panel on the right side presents the details of a toaster, when the user selects the toaster on the navigation tree. On the toaster details panel, I would like to have a hyper link referring to another toaster - associated to the selected toaster. On clicking on the hyperlink, I would like to display the details of the associated toaster and the navigation tree node for the associated toaster being highlighted.
For example, BUI presents the following now:
+ Toasters | Toaster 1 Details [Refresh]
+ <toaster1> |
+ toaster2 | ... toaster3
+ toaster3 |
toaster1 is selected on the navigation tree. The contents panel displays Toaster 1 details, which has a hyper link for toaster3.
When the user click on toster3 on the contents panel, I would like to see the following
+ Toasters | Toaster 3 Details [Refresh]
+ toaster1 |
+ toaster2 | ...
+ <toaster3> |
My Trial
=====
ADF Rich Client 11.1.2.3 is used for my development.
Jspx code for the navigation tree looks like this:
<af:tree id="navTree" ...>
<f:facet name="nodeStamp">
<af:panelGroupLayout id="nodePgl">
<af:switcher facetName="#{stamp.outcome!=null?'actnode':'noactnode'}" ...>
<f:facet name="actnode">
<af:commandLink id="leafLink" text="#{stamp.label}" action="#{stamp.actionOutcome}">
<af:setActionListener from="#{stamp.key}" to="#{treeHandler.selectedMenuItem}"/>
</af:commandLink>
</f:facet>
<f:facet name="noactnode">
<af:outputText id="notLeafText" value="#{stamp.label}"/>
</f:facet>
</af:switcher>
</af:panelGroupLayout>
</f:facet>
</af:tree>
The hyper link on the contents panel looks like this:
<af:iterator var="toaster" value="#{toastData.toasters}">
<af:commandLink text="#{toaster}" action="#{toasterHandler.goToToaster}">
<f:param name="toasterId" value="#{toaster}"/>
<af:setActionListener from="#{toaster}" to="#{treeHandler.selectedToaster}"/>
</af:commandLink>
</af:iterator>
I got some tips from this forum (cannot find thread at the moment) and implemented the treeHandler.selectedToaster method as follows:
// getSelectionState returns selStat, which is instantiated like the following:
// RowKeySet selStat = new RowKeySetTreeImpl();
// TreeModel model = (TreeModel) menuModel.getWrappedData();
// selStat.setCollectionModel(model);
// selStat.setContained(true);
RowKeySet rowKeySet = getSelectionState();
rowKeySet.removeAll();
// synthesize the rowKey for the selected toaster
// if the toaster found in the toaster node list,
// rowKey should look like [0, <rowIdx of toaster>]
ArrayList<Integer> rowKey = new ArrayList<Integer>();
rowKey.add(0);
rowKey.add(new Integer(rowIdx));
TreeModel model = (TreeModel) menuModel.getWrappedData();
model.setRowKey(rowKey);
model.setRowIndex(rowIdx);
rowKeySet.add();
This seems to work most of times except when I refresh the contents details panel using partial page rendering.
I get NullPointerException on the call to rowKeySet.removeAll().
Caused by: java.lang.NullPointerException
at org.apache.myfaces.trinidad.model.RowKeySetTreeImpl._selectAll(RowKeySetTreeImpl.java:459)
at org.apache.myfaces.trinidad.model.RowKeySetTreeImpl.removeAll(RowKeySetTreeImpl.java:146)
In my observation, this NPE happens when rowKeySet.size() returns 1 but rowKeySet.iterator() does not return any entries.
I suspect this is a bug on RowKeySetTreeImpl but not sure.
Help Need
=======
1. What is the reasonably right way to highlight the tree node for my problem?
2. If my trial is one way to do it, how can I get around the NPE? I cannot change ADF Rich Client library at this point.
Any help/suggestion/advise would be appreciated.
Thanks,
Jeongtae

I did this, to programmatically expand a tree node, you can try the same and set the row key to highlight.
private RowKeySet disclosedTreeRowKeySet = new RowKeySetImpl();
public void rowDisclosureListener(RowDisclosureEvent rowDisclosureEvent)
Iterator added = rowDisclosureEvent.getAddedSet().iterator();
if (added!=null)
while (added.hasNext())
Object rowKey = added.next();
//disclosedTreeRowKeySet.clear();
List path = (List)rowKey;
for( int i=0; i< path.size(); i++ )
List<Object> nodePath = new ArrayList<Object>();
for( int j=0; j<i; j++ )
nodePath.add( path.get( j ) );
disclosedTreeRowKeySet.add( nodePath );
disclosedTreeRowKeySet.add( rowKey );
System.out.println( "disclosed Keys...... " + disclosedTreeRowKeySet );
private void expandSelectedNode(RowKeySet addedObj) {
if (sourceTreeTable != null) {
Iterator added = (Iterator)addedObj.iterator();
if (added!=null)
while (added.hasNext())
Object rowKey = added.next();
List path = (List)rowKey;
for( int i=0; i< path.size(); i++ )
List<Object> nodePath = new ArrayList<Object>();
for( int j=0; j<i; j++ )
nodePath.add( path.get( j ) );
disclosedTreeRowKeySet.add( nodePath );
disclosedTreeRowKeySet.add( rowKey );
sourceTreeTable.setDisclosedRowKeys(disclosedTreeRowKeySet);
}

How do I open and use after effects on my desktop?

I have downloaded everything from creative cloud, but now how do I open the free trial and use after effects cc on my desktop? There is no obvious button that says open or icon to choose (that I can see)
Please this would be really helpful i you could tell me how.
Thank you!

1st, do you have the 64bit computer required for After Effects?
Creative Cloud chat support (all Creative Cloud customer service issues)
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How do we get tree node infomation in an App Engine

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