Expand all the nodes in a tree table
Hello
I have a tree table in my JSPX, which needs to expand all its nodes when the page is loaded. Also mis the data control is a POJO data contrl where I have a collection (ArrayList), which serves to make this table from the tree. Tree table is displayed as expected with it of the child nodes.
I was referring rare item such as these... https://blogs.oracle.com/jdevotnharvest/entry/how_to_programmatically_disclose_a to expand all nodes. But I get an exception of cast of class on the piece of code following
Code:
CollectionModel model = (CollectionModel) your_af_tree_reference.getValue();
Exception:
javax.faces.el.EvaluationException: java.lang.ClassCastException: oracle.adfinternal.view.faces.model.binding.FacesCtrlHierBinding$FacesModel cannot be cast to oracle.adf.view.rich.model.CollectionModel at org.apache.myfaces.trinidad.component.MethodExpressionMethodBinding.invoke(MethodExpressionMethodBinding.java:51)
......................
I use Jdev 11.1.1.4
Let me know if you need more details to achieve this please.
Refer to this:
You can download the sample code from:
http://www.Oracle.com/technetwork/developer-tools/ADF/learnmore/index-101235.html
Search for number 078.
Tags: Java
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