[jira] [Assigned] (TAP5-1451) Form component should indicate that a form submission was canceled on the client side

["Howard M. Lewis Ship (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TAP5-1451?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Howard M. Lewis Ship reassigned TAP5-1451:
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    Assignee: Howard M. Lewis Ship

> Form component should indicate that a form submission was canceled on the client side
> -------------------------------------------------------------------------------------
>
>                 Key: TAP5-1451
>                 URL: https://issues.apache.org/jira/browse/TAP5-1451
>             Project: Tapestry 5
>          Issue Type: Improvement
>          Components: tapestry-core
>    Affects Versions: 5.2.4
>            Reporter: Howard M. Lewis Ship
>            Assignee: Howard M. Lewis Ship
>
> Although it is possible to determine that a form has been cancelled by providing a listener to the appropriate Submit/LinkSubmit component, that will often occur after other parts of the form have resulted in updates to server-side properties. That may be valid is some circumstances, but it would be nice if there was an early event notification from the Form that indicated a client-side cancel so that the processing of the form's data could be avoided entirely. That is the more general case: no updates to anything on the server side when a client-side form is canceled ... but there is not currently a simple way to determine this.
> What's needed is a special parameter included in the form submission to indicate that the form was cancelled.

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