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https://issues.apache.org/jira/browse/WICKET-4007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13094167#comment-13094167
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Bruno Borges commented on WICKET-4007:
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I don't think this adds logic into the markup. It's just a tag that converts
itself into a Label referencing the model. What's all about? It avoids me
having to add several labels by hand and coding wicket:id="whateverN"
Still, keeps the concepts of Wicket (which is referencing tags to components.
> New tag wicket:var
> ------------------
>
> Key: WICKET-4007
> URL: https://issues.apache.org/jira/browse/WICKET-4007
> Project: Wicket
> Issue Type: New Feature
> Components: wicket
> Reporter: Bruno Borges
> Labels: tag,, variable, wicket,
> Attachments: wicket-var-feature.diff
>
>
> This will facilitate users to reference models in several places of the
> markup.
> One can do:
> class Page extends WebPage {
> public Page() {
> putVariable("username", "Peter Johnson");
> }
> }
> <html>
> <body>
> <div class="header">
> <wicket:var name="name" />
> </div>
> <div class="container">
> <wicket:var name="name" />
> </div>
> <div class="footer">
> <wicket:var name="name" />
> </div>
> </body>
> </html>
> It will be possible too to do such a thing:
> Java: putVariable("css", "blue-header");
> HTML: <div wicket:var="class:css">
> And render: <div class="blue-header">
> These variables can be rendered multiple times and my also be accessed from
> child objects (but not the opposite), like:
> add(new WebMarkupContainer("header"));
> <div wicket:id="header">
> <span wicket:var="class:css">Header</span>
> </div>
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