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Date: Tue, 13 Apr 2010 11:59:42 +0200
Message-ID: <y2s8a298e9d1004130259v51653010ne85fd6a423704d62@mail.gmail.com>
Subject: Re: [Trinidad] tree nodes not updating in expanded branch
From: Scott McMasters <scott.mcmasters@gmail.com>
To: MyFaces Discussion <users@myfaces.apache.org>
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I'd really appreciate a response.  No one responded to my emails last week.

Thanks


On Mon, Apr 12, 2010 at 7:29 PM, Scott McMasters
<scott.mcmasters@gmail.com>wrote:

> This is an xhtml document which reproduces the problem:
>
> <tr:document xmlns:ui="http://java.sun.com/jsf/facelets"
>     xmlns:f="http://java.sun.com/jsf/core"
>     xmlns:t="http://myfaces.apache.org/tomahawk"
>     xmlns:h="http://java.sun.com/jsf/html"
>     xmlns:tr="http://myfaces.apache.org/trinidad">
>     <f:loadBundle basename="labels" var="labels" />
>     <tr:form id="titolare_form">
>
>         <tr:messages styleClass="jsf_messages" />
>
>         <tr:selectOneChoice id="myList" value="#{treeTest.selectedId}"
>             autoSubmit="true" immediate="true" valuePassThru="true"
>             valueChangeListener="#{treeTest.change}">
>             <f:selectItems value="#{treeTest.selectItems}"/>
>         </tr:selectOneChoice>
>
>         <tr:tree var="descritorre" value="#{treeTest.model}"
>             partialTriggers="myList">
>             <f:facet name="nodeStamp">
>                 <tr:selectBooleanCheckbox
> selected="#{descritorre.selected}"
>                     text="#{descritorre.desMattone}" />
>             </f:facet>
>         </tr:tree>
>
>     </tr:form>
> </tr:document>
>
> And this is the Java bean, in session scope:
>
> package it.eng.sis.mra.test;
>
> import it.eng.sis.mra.beans.jsf.TpDescritorreNode;
>
> import java.util.ArrayList;
> import java.util.List;
>
> import javax.faces.context.FacesContext;
> import javax.faces.event.ValueChangeEvent;
> import javax.faces.model.SelectItem;
>
> import org.apache.myfaces.trinidad.model.ChildPropertyTreeModel;
> import org.apache.myfaces.trinidad.model.TreeModel;
>
> public class TreeTest
> {
>     private TreeModel model;
>     private List<TpDescritorreNode> nodes;
>     private List selectItems;
>     private String selectedId;
>
>     public void change(ValueChangeEvent vce)
>     {
>         System.out.println("here");
>         boolean select = true;
>
>         if(vce.getNewValue().equals("1"))
>             select = false;
>
>         TpDescritorreNode node = nodes.get(0);
>         node.setSelected(select);
>
>         for(TpDescritorreNode n: node.getChildNodes())
>             n.setSelected(select);
>
>         FacesContext.getCurrentInstance().renderResponse();
>
>     }
>
>     public TreeTest()
>     {
>         nodes = new ArrayList<TpDescritorreNode>();
>         List children = new ArrayList();
>
>         TpDescritorreNode node = new TpDescritorreNode();
>         node.setDesMattone("child 1");
>         children.add(node);
>
>         node = new TpDescritorreNode();
>         node.setDesMattone("child 2");
>         children.add(node);
>
>         node = new TpDescritorreNode();
>         node.setDesMattone("child 3");
>         children.add(node);
>
>         node = new TpDescritorreNode();
>         node.setDesMattone("parent");
>         node.setChildNodes(children);
>         nodes.add(node);
>
>         model = new ChildPropertyTreeModel(nodes, "childNodes");
>
>         selectItems = new ArrayList();
>         selectItems.add(new SelectItem("1", "one"));
>         selectItems.add(new SelectItem("2", "two"));
>
>     }
>
>     public TreeModel getModel()
>     {
>         return model;
>     }
>
>     public List getSelectItems()
>     {
>         return selectItems;
>     }
>
>     public String getSelectedId()
>     {
>         return selectedId;
>     }
>
>     public void setSelectedId(String selectedId)
>     {
>         this.selectedId = selectedId;
>
>     }
>
> }
>
>
>
> On Mon, Apr 12, 2010 at 6:44 PM, Scott McMasters <
> scott.mcmasters@gmail.com> wrote:
>
>> Hello,
>>
>> I'm using the tree component with ppr, but if a branch is already expanded
>> and a trigger is assigned to a select list in the form, the nodes don't
>> update.  Can someone give me an example how to update the tree nodes
>> properly?  Each node is a checkbox.
>>
>> Maybe to explain better, when the user changes the value in the select
>> list element, the selected nodes in the tree should change.  The values in
>> my node objects are being updated, but that's not being reflected in the
>> page if the node is visible.  If the branch is collapsed, I change the
>> select list value and expand the branch, the changes are reflected in the
>> page.
>>
>> Thanks,
>>
>> Scott McMasters
>>
>>
>

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