[jira] Updated: (WICKET-1379) Provide a way to pass HTTP parameters with Wicket's Ajax requests

["Frank Bille Jensen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WICKET-1379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Frank Bille Jensen updated WICKET-1379:
---------------------------------------

    Fix Version/s:     (was: 1.3.2)

> Provide a way to pass HTTP parameters with Wicket's Ajax requests
> -----------------------------------------------------------------
>
>                 Key: WICKET-1379
>                 URL: https://issues.apache.org/jira/browse/WICKET-1379
>             Project: Wicket
>          Issue Type: New Feature
>          Components: wicket
>    Affects Versions: 1.3.1
>            Reporter: Martin Grigorov
>            Assignee: Igor Vaynberg
>
> I need a way to pass HTTP parameters to my Ajax callback methods.
> Here is my use case:
> I am doing "endless paging/loading" behavior for table/grid components. Something like Thoof's "endless paging".
> Another example for pages is http://donteattoomuch.blogspot.com/2008/01/implementing-endless-pageless-in-wicket.html.
> To scan the position of the vertical scroll I use an implementation of AbstractAjaxTimerBehavior. The timeout function (JavaScript) could check the
> position of the scroll but there is no way to add a http parameter to the callbackUrl which will tell me on the server side where is the scroll now - at the top
> or at the bottom.
> Currently I am using two timers - one for top and one for bottom.
> Another (more fancy) approach is to register AjaxEventBehavior for "onscroll" event and (with throttling) to send the current position of the scroll. This way it will behave like a "smooth scrolling".
> This is just my use case. Maybe there are other case when the user wants to send a parameter with Wicket Ajax. I looked at wicket-ajax.js and I didn't 
> see any logic for passing http parameters in doGet/doPost methods.

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