Re: [jsr-314-open] <h:dataTable> binding vs. ui:repeat

On Wed, Sep 9, 2009 at 12:33 AM, Lincoln Baxter, III < lincolnbaxter(a)gmail.com&gt; wrote: > One more issue I'd like to bring up: it appears that when using > <f:valueChangeListener action="..." /> the value of the object provided has > not yet been updated in the model, hence, the value is the old value, not > the new value. > > When using <f:actionListener> on the button submitting the values, the new > value is populated into the model instead... which is the behavior I would > expect. > > Pardon the probably obvious question... > > Is there an contract with valueChangeListeners that states they fire > before model updates? I see in the spec that it fires: "when a new local > value has been created, and has passed all validations," but nothing about > if the model has been updated or not. > They're fired after the Process Validations phase (or Apply Request Values if immediate=true), which always occurs before the Update Model phase. The idea is that the input must be in a valid state before the model is updated.