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Message-ID: <51E780A3.9070908@efonds.com>
Date: Thu, 18 Jul 2013 07:44:03 +0200
From: Stefan Renz <s.renz@efonds.com>
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To: <users@wicket.apache.org>
Subject: Re: How to hide an optional Image component?
References: <51E5B2D6.4020407@efonds.com> <51E5B47E.1030305@meiers.net>
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Hi Sven,

Sven Meier wrote:
>> apart from asking the database _again_ for the data or presence thereof
> 
> Whether the image is visible must be determined when the page is
> rendered. The actual loading of the image is done in another request.
> Thus two times to ask the databse.

thanks for reminding me -- sometimes, a powerful framework such as
Wicket makes you forget you work with HTTP ;-)

> 
> Alternatively you may render a default resource (e.g.
> https://www.google.com/search?q=no+image) if your database doesn't have
> any data to stream back when the image is requested.
> 
> Regards
> Sven
> 

Have a nice day.
    Stefan

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