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Posted to commits@wicket.apache.org by "Martin Grigorov (JIRA)" <ji...@apache.org> on 2012/07/10 14:18:34 UTC
[jira] [Created] (WICKET-4649) Add an additional Ajax call listener
point - before the call
Martin Grigorov created WICKET-4649:
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Summary: Add an additional Ajax call listener point - before the call
Key: WICKET-4649
URL: https://issues.apache.org/jira/browse/WICKET-4649
Project: Wicket
Issue Type: Improvement
Components: wicket
Affects Versions: 6.0.0-beta2
Reporter: Martin Grigorov
Assignee: Martin Grigorov
We need to add another point in the Ajax call lifecycle that is called as early as possible.
Until now we have the preconditions which are called in jQuery's beforeSend() and they may stop the call completely. If they pass then the dynamic extra parameters are evaluated and the 'before' handlers are executed.
But in some cases one may need to execute some handler as early as possible. For example to transfer the value of some complex widget to <input type="hidden"> which will be serialized in jQuery's data with the default means. Using dynamic extra parameters will be able to do the same but the price will be much higher because the hidden field's value will be already in the data with an empty value and one should care to remove it before adding the dynamic value.
So I suggest to move 'before' handlers at the top of Wicket.Ajax.doAjax() method and add a new one - 'beforeSend' which will do the same as 'before' handlers until now.
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[jira] [Resolved] (WICKET-4649) Add an additional Ajax call
listener point - before the call
Posted by "Martin Grigorov (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/WICKET-4649?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Martin Grigorov resolved WICKET-4649.
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Resolution: Fixed
Fix Version/s: 6.0.0-RC1
> Add an additional Ajax call listener point - before the call
> ------------------------------------------------------------
>
> Key: WICKET-4649
> URL: https://issues.apache.org/jira/browse/WICKET-4649
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Affects Versions: 6.0.0-beta2
> Reporter: Martin Grigorov
> Assignee: Martin Grigorov
> Fix For: 6.0.0-RC1
>
>
> We need to add another point in the Ajax call lifecycle that is called as early as possible.
> Until now we have the preconditions which are called in jQuery's beforeSend() and they may stop the call completely. If they pass then the dynamic extra parameters are evaluated and the 'before' handlers are executed.
> But in some cases one may need to execute some handler as early as possible. For example to transfer the value of some complex widget to <input type="hidden"> which will be serialized in jQuery's data with the default means. Using dynamic extra parameters will be able to do the same but the price will be much higher because the hidden field's value will be already in the data with an empty value and one should care to remove it before adding the dynamic value.
> So I suggest to move 'before' handlers at the top of Wicket.Ajax.doAjax() method and add a new one - 'beforeSend' which will do the same as 'before' handlers until now.
--
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