Let's say I have a page which can be almost completely marked up in a
base class markup. There are only two sections of the page that change
in the derived pages/classes. Is it possible to use the <wicket:child>
tag twice in
the one page and then have two <wicket:extend> tags in the derived
pages?
Markup for base page:
<body>
<div id="master">
<span wicket:id="organizationHeader"/>
<div id="bodywrap">
<wicket:child>
</wicket:child>
<p>The stuff in here is common to all
pages and so I only want to define it once in this base page markup</p>
<wicket:child>
</wicket:child>
<span wicket:id="organizationFooter"/>
</div>
</div>
</body>
Markup for the derived page:
<body>
<wicket:extend>
<div id="maincol">
<span wicket:id="welcomePanel"/>
</div>
</wicket:extend>
This text is ignored - only the extend parts will be
used
<wicket:extend>
<h1>Hi there!</h1>
</wicket:extend>
</body>
I've tried this and I get the following error message:
WicketMessage: The component [MarkupContainer [Component id = _child,
page = com.sas.av.ui.wicket.HomePage, path =
4:_<body>:_child.MarkupInheritanceResolver$TransparentWebMarkupContainer
, isVisible = true, isVersioned = true]] has the same wicket:id as
another component already added at the same level
Root cause:
wicket.markup.MarkupException: The component [MarkupContainer [Component
id = _child, page = com.sas.av.ui.wicket.HomePage, path =
4:_<body>:_child.MarkupInheritanceResolver$TransparentWebMarkupContainer
, isVisible = true, isVersioned = true]] has the same wicket:id as
another component already added at the same level
at wicket.Page.componentRendered(Page.java:936)
at wicket.Component.rendered(Component.java:1755)
at wicket.Component.render(Component.java:1534)
at wicket.MarkupContainer.renderNext(MarkupContainer.java:1334)
at
wicket.MarkupContainer.renderComponentTagBody(MarkupContainer.java:982)
at wicket.MarkupContainer.onComponentTagBody(MarkupContainer.java:917)
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