6 Replies Latest reply on Nov 13, 2008 10:11 PM by nbelaevski

    Tree Problem

    rhythmicdevil
    rhythmicdevil Nov 10, 2008 11:49 AM

      Can someone please post a simple example of how to implement a simple rich faces tree? I have dug through this forum for the last two hours and I cannot find what I am looking for. Here is my current code:

      Backing Class

      import org.jboss.seam.annotations.Name;
import org.richfaces.model.TreeNode;
import org.richfaces.model.TreeNodeImpl;

@Name("treeAction")
public class Tree
{
 private TreeNode tree = new TreeNodeImpl();;

 public Tree()
 {
 TreeNodeImpl fooNode = new TreeNodeImpl();
 fooNode.setData("foo!");

 TreeNodeImpl barNode = new TreeNodeImpl();
 barNode.setData("bar!");

 TreeNodeImpl tarNode = new TreeNodeImpl();
 tarNode.setData("tar!");

 tree.addChild("foo", fooNode);

 fooNode.addChild("bar", barNode);

 barNode.addChild("tar", tarNode);
 }

 public TreeNode getTree()
 {
 return tree;
 }

 public void setTree(TreeNode tree)
 {
 this.tree = tree;
 }


}


      XHTML 
      <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
 "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml"
 xmlns:h="http://java.sun.com/jsf/html"
 xmlns:f="http://java.sun.com/jsf/core"
 xmlns:ui="http://java.sun.com/jsf/facelets"
 xmlns:a4j="http://richfaces.org/a4j"
 xmlns:rich="http://richfaces.org/rich">

<head>
</head>
<body>
<h3>Rich Faces Tree Test</h3>
<h:form>
 <rich:tree value="#{treeAction.tree}" var="node">
 <rich:treeNode>
 <h:outputText value="#{node}" />
 </rich:treeNode>

 </rich:tree>
</h:form>
</body>
</html>


      Here is the error that I get when I view the output in a browser.

      org.richfaces.model.TreeNodeImpl cannot be cast to org.richfaces.model.TreeNode

      I am at my wits end to be honest. Any rational advice would be appreciated. I am not exactly new to JSF and Rich Faces I have been working with it for about a year.



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