Oracle Fusion Middleware

Here is a small example of a way to enable or disable a command button using a standard functionality of an ADF.
Take for example the next scenario: You want to reject a form, and you must enter a reject reason.

For that we will use a commandButton (for the reject action) and an inputText (for the reject reason).
Change both objects’ attributes as follows:

inputText:

• Set the AutoSubmit property to ‘true’:

CommandButton:

• Set the PartialTriggers property to the Reject InputTextId Id:
• Set the Disabled property to have a condition base on the InputText value:
  In my example: #{empty bindings.RejectReason.inputValue}

Run the page and test it.

Good Luck!