[jira] Commented: (SHALE-175) Dialog statemachine and errorconditions should be queryable

["Adam Brod (JIRA)" <ji...@apache.org>]

    [ http://issues.apache.org/struts/browse/SHALE-175?page=comments#action_37442 ] 

Adam Brod commented on SHALE-175:
---------------------------------

It seems that using the back-button will often get the dialog into the intractable error state.  We don't have to be super back-button friendly, but we can't pollute the user's session and give them errors on everything they do, just because they hit the back button one time.


> Dialog statemachine and errorconditions should be queryable
> -----------------------------------------------------------
>
>          Key: SHALE-175
>          URL: http://issues.apache.org/struts/browse/SHALE-175
>      Project: Shale
>         Type: Improvement

>   Components: Core
>     Versions: 1.0.3
>     Reporter: Hermod Opstvedt

>
> Hi
> Having been fiddling around with the Shale dialogs, there is one thing that I feel could be improved on. The way it is now, if there is an error situation or if the user navigates away from a dialog and later on navigates to say the start of the dialog, an exception is raised. There is no way out of this, short of restarting the server. I think a more elegant sultion would be if the state-engine could be queried by for instance the bean that kicks off the dialog sequence. This way one could present a  more meaningful and customizeable feedback to the user.
> Hermod

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