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https://issues.apache.org/jira/browse/WICKET-4671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13421470#comment-13421470
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Martin Grigorov commented on WICKET-4671:
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I think I see a solution.
In your precondition if Ctrl is used then change attrs.ad to true and return
false to stop the Ajax call.
> Cannot fallback to the link URL from ajax precondition
> ------------------------------------------------------
>
> Key: WICKET-4671
> URL: https://issues.apache.org/jira/browse/WICKET-4671
> Project: Wicket
> Issue Type: Improvement
> Components: wicket
> Affects Versions: 6.0.0-beta3
> Reporter: Ota Hauptmann
>
> Let's have an AjaxFallbackLink - it means a link with ajax ability and also
> with ability to do things "classically" if JavaScript is not enabled. I want
> this link to be "Ctrl+clickable" (or other modifier-key-clickable) to be able
> to open it directly in a new tab or window of a browser.
> In Wicket 1.5, it was possible to implement a decorator, where I was able to
> "return true" in case a modifier key was pressed in that moment and the
> Javascript execution was stopped and the raw link action was performed. In
> Wicket 6, there is possibility to specify the precondition of the ajax call,
> but there seem to be only two cases:
> - return nothing or not-false to keep going
> - return false and stop the execution of the link
> But it is not possible to "return true" as with Wicket 1.5's decorator to
> stop the ajax/Javascript execution, but to continue performing raw Ctrl+click.
> The Javascript handling code of this situation is in wicket-ajax-jquery.js at
> lines 503-507: there is the only one "stop situation", if the result is
> false, return false. Nothing more possible, nothing configurable.
> With the information from
> https://cwiki.apache.org/confluence/display/WICKET/Wicket+Ajax I wasn't able
> to solve this situation by another way, which means I am not able to solve it
> at all (in Wicket 1.5 I was). Or am I doing something completely wrong?
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