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From "Malcolm Edgar (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CLK-508) Move isFormSubmission check to Field
Date Sun, 29 Mar 2009 09:08:50 GMT

    [ https://issues.apache.org/jira/browse/CLK-508?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12693531#action_12693531
] 

Malcolm Edgar commented on CLK-508:
-----------------------------------

Sticking non field controls inside a form is generally a bad idea, as it break the basic HTML
GET/POST model. If you put a table in a field and the users edits some form fields, then clicks
on an non field element such as an action link, the form state will not be preserved in the
GET request and the user experience is confusing.

I am pretty uncomfortable about this event model change, and am concerned that it could break
a lot of existing code.

> Move isFormSubmission check to Field
> ------------------------------------
>
>                 Key: CLK-508
>                 URL: https://issues.apache.org/jira/browse/CLK-508
>             Project: Click
>          Issue Type: Improvement
>          Components: core, extras
>            Reporter: Bob Schellink
>            Assignee: Bob Schellink
>             Fix For: 2.1.0
>
>
> Currently Form determines whether its child controls should be processed based on whether
Form was submitted or not. This restriction works well for Fields, however problems arise
when adding components such as ActionLink, Tables and Trees which need to be processed even
when Form is not submitted. Ajax based Fields also has this problem and often need to be added
to the Page in order to be processed.
> This issue will try and address the problem by introducing a new Field method called
"canProcess". This method will return true if the Form is submitted or if its a Ajax request.

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