Hi Jiang,
Can you provide your jsp and java code in more
details? I have worked on tree2, may be i will be able
to give solution to your problem.
Regards...
Arvind
--- "Jiang, Jane (NIH/NCI) [C]" <[EMAIL PROTECTED]>
wrote:
> Hi all,
>
> I am having problem updating the tree model. Here
> is my short code sample
>
> JSP
> <h:commandLink value="Refresh tree"
> action="#{treeBacker.refreshTree}"/>
> <br/><br/>
>
> <!-- Expand/Collapse Handled By Server -->
> <t:tree2 id="serverTree"
> value="#{treeBacker.treeModel}" var="node"
> varNodeToggler="t" clientSideToggle="false"
> binding="#{treeBacker.tree}">
>
> TreeBacker.java
>
> ... public String refreshTree() {
> treeData.refreshTree();
> _treeModel = new
> TreeModelBase(treeData.getTreeData());
> return null;
> }
> public TreeModel getTreeModel() {
> if (_treeModel == null) {
> _treeModel = new
> TreeModelBase(treeData.getTreeData());
>
> _treeModel.getTreeState().toggleExpanded("0");
> }
>
> return _treeModel;
> }
>
> I setup breakpoint to see what is going on. It
> seems like refreshTree() get called, _treeModel is
> updated. Then getTreeModel() got called twice. The
> first time it returned the updated one, then the
> second time it returned the old one.
>
> My treeBacked is defined in the session scope as
> follow. So there should not be two instances of
> treeBacker for the same session.
>
> <managed-bean>
>
> <managed-bean-name>treeBacker</managed-bean-name>
>
>
<managed-bean-class>gov.nih.nci.ncicb.cadsr.umlmodelbrowser.tree.TreeBacker</managed-bean-class>
>
> <managed-bean-scope>session</managed-bean-scope>
> </managed-bean>
>
> Any suggestions on how to get this to work or other
> ways to refresh the tree would be grealy
> appreciated.
>
> Many thanks,
>
> Jane
>
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