Comments on: Creating Multi-Type Node Children and Child Node labels in ADF Faces Tree Component

By: E.A.Clove

E.A.Clove — Wed, 30 Nov 2011 18:45:12 +0000

Great article Lucas

By: Reena

Reena — Fri, 31 Jul 2009 02:57:16 +0000

Thank you Lucas .

This article is awesome . It’s very well written and self explanatory.

Cheers,
Reena

By: Prashant

Prashant — Thu, 24 Jan 2008 13:14:49 +0000

I got the answer – the data types should also match. In my case 1st and 2d level node key and parent key were compatible but 3rd and 4th were not. I changed all these types to String from Integer wherever they were Integer’s and it worked.

By: Prashant

Prashant — Thu, 24 Jan 2008 11:09:31 +0000

Hi, Thatnks for this very useful article. I went step by step as described in the article and was able to see my tree based on my test tables different than DEPT, EMP etc. When I ran the application, its showing me just two levels and when i try to expand to third level it takes few seconds (and shows green bars at the bottom) and then nothing happens. Any guesses why?

By: Mourado

Mourado — Sat, 10 Nov 2007 13:11:23 +0000

Thanks, fore this article but with jdeveloper 11g did i do the same thing to have a tree of folder in wich every folder has many other folders

By: Ric Smith

Ric Smith — Wed, 13 Dec 2006 03:38:08 +0000

Lucas,

Great article!

Ric

Principal Product Manager
Oracle JDeveloper & ADF

By: Lucas Jellema

Lucas Jellema — Tue, 08 Aug 2006 09:59:37 +0000

Well, the action you want to perform when the node is selected is something you specify yourself in the facet for the tree node. Since the node object not only has a label but also has properties like node key and type and parent key and type, you can bind the action property of the command link to a method on a managed bean and have this method figure out which page to navigate to.

An example of this behavior is described in the article Generating an Advanced ADF Faces Tree based application with JHeadstart 10.1.3.

Although there I have used the JHeadstart run time facilities, the idea basically is the same.

The facet for the second level in the tree – and illustrative for all levels in the tree:

immediate=”true” onclick=”return alertForChanges()”
action=”#{TreeHelper.action}”
>
to=”#{TreeHelper.node}”/>

It sets the currently selected node on the node property in TreeHelper bean. This bean exposes properties like nodeKey, nodeType, parentKey and parentType – the values for these properties are retrieved from the selected node. The action attribute of the commandLink is bound to the action() method on the TreeHelper bean. This method checks out which node is selected and then determines which outcome to return. This outcome obviously corresponds with various navigation paths in the faces-config.xml file.

Note: each node type will have its own Edit Page – with the tree included in both the page (via a region element, so node copying of the tree itself) and its PageDefinition.

I hope this helps.

By: Zuhair

Zuhair — Mon, 07 Aug 2006 16:56:33 +0000

Thank you for this article, it’s very useful

but how can when i click on lowest node to open the record of this node from another view obj if the user want to edit or show the detail of this node

thanks to everyone on AMIS