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https://issues.apache.org/jira/browse/WICKET-5822?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14298404#comment-14298404
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Martin Grigorov commented on WICKET-5822:
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This is to prevent memory leaks.
There is no way how to detect with JS whether the page is really left/closed :-/
I wonder whether window.open() could be used instead of location.href for
setting the download url ?
This should keep the current page state.
The question is when/how to close the new window after the download. Maybe
setTimeout(function() {downloadWindow.close()}, 100) will do the job ?
> AjaxSelfUpdatingTimer stops working after ajax download
> -------------------------------------------------------
>
> Key: WICKET-5822
> URL: https://issues.apache.org/jira/browse/WICKET-5822
> Project: Wicket
> Issue Type: Bug
> Components: wicket
> Affects Versions: 6.18.0
> Environment: Linux
> Reporter: Elvis Ciocoiu
> Assignee: Sven Meier
> Attachments: timer test.zip
>
>
> I've encountered a strange behavior related to AjaxSelfUpdatingTimerBahavior.
> It triggers normally until I click a link that downloads a dynamic resource.
> The ajax download link is constructed using the recommendations from:
> https://cwiki.apache.org/confluence/display/WICKET/AJAX+update+and+file+download+in+one+blow
> The problem seems to be related to:
> target.appendJavaScript("setTimeout(\"window.location.href='"
> + url + "'\", 100);");
> from ajax download initiate, but if i comment it the download doesn't work
> anymore.
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