Hi,
TransparentWebMarkupContainer is a container which can be used when
you don't want its children to know about it.
For example you can use it to manipulate the attributes of <html> or
<body> elements in a base page. This way the children pages can just
do "add(someOtherComponent)" instead of
"bodyComponent.add(someOtherComponent)".
On Thu, Aug 16, 2012 at 8:52 PM, brad steiner
<
[hidden email]> wrote:
> Can you please elaborate on the use of TransparentWebMarkupContainer in 1.5 for use with Panel inheritance? I have a page with tabbed panels, each of which has its own left nav. Each panel subclass thus inherits from the base class / markup where the corresponding left nav is defined. When I attempt this using panels I receive an error indicating the <wicket:panel> tag is not present, presumably because it's not expected within the <wicket:extend> tag(?). I've switched my base class to inherit from TransparentWebMarkupContainer instead of Panel but now "[Panel]" is displayed on the page with no indication my content panel markup is being read. Obviously I would prefer not to duplicate the left nav code across all components in a given panel. Below is my markup using the TransparentWMC approach.
>
> Thanks in advance for your help.
> Brad
>
> <!-- Base Class Panel -->
> <html xmlns:wicket="
http://wicket.apache.org/dtds.data/wicket-xhtml1.4-strict.dtd">
> <body>
> .
> .
> .
> <div class="span-30 last">
> <br/>
> <wicket:child/>
> </div>
> </body>
> </html>
>
>
> <!-- Subclass Panel -->
> <wicket:extend xmlns:wicket="
http://www.w3.org/1999/xhtml">
> <h2>Welcome to the Main Content Panel!</h2>
> .
> .
> .
> </wicket:extend>
>
> <!-- Abstract Tab Definition -->
> final AbstractTab inboundShipmentTab = new AbstractTab(new Model<>("Inbound Shipments")) {
> @Override
> public TransparentWebMarkupContainer getPanel(final String panelId) {
> return new SubclassPanel(panelId);
> }
> };
>
>
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