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https://issues.apache.org/jira/browse/WICKET-2579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12779860#action_12779860
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Erik van Oosten commented on WICKET-2579:
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Roger, please note that what you ask is not weird, its just that it can not be
accomplish with the current TabbedPanel. Another component that does what you
ask would be welcome of course.
> tabbedpanel (and ajaxtabbedpanel) only submit the selected tab. A mode which
> instead submits all loaded tabs would be helpful.
> ------------------------------------------------------------------------------------------------------------------------------
>
> Key: WICKET-2579
> URL: https://issues.apache.org/jira/browse/WICKET-2579
> Project: Wicket
> Issue Type: Wish
> Components: wicket-extensions
> Affects Versions: 1.4.3
> Reporter: Roger Armstrong
> Assignee: Igor Vaynberg
>
> If I want to split the contents of a form across multiple tabs (for example a
> user profile form split into basic and advanced settings), there seems to be
> no way to validate the form properly.
> The user should be able to fill out, say, first name and last name in the
> basic tab, then switch to the advanced tab and fill out some settings there,
> then click the Save button. If the user forgot to fill out a required field
> on the basic, (say, email address), there's no way to handle this (because
> the first tab is already gone when you switch to the second tab).
> I've tried to use an AjaxFormValidatingBehavior on blur of all form
> components, but this is not a good solution since validation occurs on lost
> focus instead of when the user clicks the Save button.
> What I would like would be that the TabbedPanel keeps all visited panels
> around (but all hidden except the selected tab) so that they are all
> submitted together. That way, you have lazy loading, but standard submit and
> validate behavior (at the expense of keeping the loaded panels around).
> This seems like a fairly standard pattern for using a tabbed panel, so it
> would seem useful to have it in the "standard" tab panel instead of everyone
> having to reinvent it (like at
> http://www.xaloon.org/blog/advanced-wicket-tabs-with-jquery).
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