Possibility to move certain HeaderItems to the front
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Key: WICKET-4313
URL: https://issues.apache.org/jira/browse/WICKET-4313
Project: Wicket
Issue Type: Improvement
Components: wicket
Affects Versions: 6.0.0
Reporter: Emond Papegaaij
Attachments: 0001-WICKET-4313-priority-header-item.patch
With the patch for WICKET-4000, the order of header items has become more
predictable, but it also has become more difficult to declare header items that
are used by many other components. Of course, the preferred way to do this,
would be to declare the resource as a dependency for the other resources, but
this may prove to be difficult in some applications. The patch in this ticket
adds support for a PriorityHeaderItem. These items are rendered at the top of
the header in a parent-first order. This makes it possible to declare these
resources in the page, which makes them available for all components.
In addition to the PriorityHeaderItem, this patch makes it possible to move the
page header (<head> and <wicket:head>) to the top of the header (just below the
priority items), rather than at the bottom of the header. This is more like
Wicket 1.5 used to render the header. By default the items are still rendered
in a strict child-first order.
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