Re: Tree2 unique attribute id creation problem

[Keith Lynch]

As far as I know this is impossible to do. The id's need to be set with static data which is embedded in the jsp file.

You can alternatively set them yourself in the jsp, which is cumborsome, or alternatively you could use the node id  as a parameter to an actionListener.

<h:selectBooleancheckbox value="output parameter"
                                        actionListener="#{YourActionListenerClass.doSomething}">
       <f:param name="node-id" value="#{ node.identifier}" />
</h:selectBooleancheckbox>

In doSomething

public void doSomething(ActionEvent action) {
  String nodeID = getParameterFromActionEvent(event,"node-id");
  // .....
}


  public static Object getParameterFromActionEvent(ActionEvent actionEvent, String paramName)
  {
    UIComponent component = actionEvent.getComponent();
    List children = component.getChildren ();
    for (Iterator iter = children.iterator(); iter.hasNext();) {
      UIComponent element = (UIComponent) iter.next();
      if(element.getClass() == UIParameter.class) {
        if( StringUtils.equals( ((UIParameter)element).getName(), paramName)) {
          return ((UIParameter)element).getValue();
        }
      }
    }
    return null;
  }

On 12/1/05, Anu Padki < [EMAIL PROTECTED]> wrote:

Thanks for your response.
Here is how it is done.
I do set the identifier using node.setIdentfier.
What I want is in the facet where I display the node give it a unique id, where I define
<selectBooleancheckbox id = ......> want to set this id.
JSF generates some id, however, it is not meaningful, it is cryptic. I would like to have this id same value as that I set in new TreeNodeBase.
Please advise.
- anu

On 12/1/05, Keith Lynch <[EMAIL PROTECTED] > wrote:

I'm not sure if you're setting the node-id in your code. You have to do this when you create the tree element.

TreeNodeBase newNode = new TreeNodeBase("node-type", description ,theNodeIdentifier , true);

You can then use #{node.identifier}

where node is

 <x:tree2 value="#{Values}"
          id="elementTree"
          var="node"
          binding="#{Binding}">

Hope this is your problem
Keith

On 12/1/05, Anu Padki < [EMAIL PROTECTED]> wrote:

hi All,

 

I am working on  a checkbox version of the tree2. I have extneded the nodebase class and it works fine.

I want to select some nodes and then display the selected nodes on other web pages. To achieve this, I have to use _javascript_. However, in order to make it work with the _javascript_, I have to create a unique id for the checkbox.

An Id that identifies with the database. The id created by jsf is of no use to track the selected node.

I use selectBooleanCheckbox on the web page.There is a unique identifier set to the node.

But if I try id ="#{node.identifier} it of courde fails, teied  ${node.identifier} and <%=nodeidentifier>

both failed. I also tried to panelGrid binding at the node level. Created the panelGrid method in the node class, but that does gives "instantiation of bean" problem.

Any thoughts, really appreciate all help from this user group.

- Anu