Hello,

I have at times used factories and then found that they made some simply things more complicated. Eg. I could no longer simply override isEnabled() or isVisible() methods to suit the page I was added the component to. So I try to avoid factories for Wicket components now unless I see a real advantage.

Kind regards,
 Edmund

On 02/18/2016 09:53 AM, Sven Meier wrote:
Hi,

I wouldn't use a factory for each and every component (e.g. label).
But any sufficiently large Wicket project will benefit from separating it into separate parts which very light interdependencies only: a plugin-based architecture.

If you're using Spring factories, you just have to take care that no references to Spring beans leak into the components - something you have easily with inner classes (as in the example listing 15 in the Wicket guide).

Have fun
Sven


On 18.02.2016 09:01, Martin Grigorov wrote:
Hi,

I don't share the option in the guide.
Using factories when needed is perfectly fine.
Apache Isis uses factories to provide custom UI for almost any part of the
Wicket viewer.
BrixCMS also uses factories to create tiles.

Martin Grigorov
Wicket Training and Consulting
https://twitter.com/mtgrigorov

On Thu, Feb 18, 2016 at 7:21 AM, Arjun Dhar <[email protected]> wrote:

Hi,
I have a bunch of Admin panels but i want to be able to override them. The
issue is the pages obviously use "add(new SomeAdminPanel(....))";

To overcome this I was thinking or writing a Factory, that via can create
the desired instance of the Panel and pass it to the Page. The factory
internally can use Spring to make this highly configurable.

however, I came across

https://ci.apache.org/projects/wicket/guide/6.x/guide/bestpractices.html#bestpractices_12
(Do not use factories for components)

... can anyone validate if I should let that stop me from doing what I
intend? Maybe Panels are an exception to this rule?!

thanks

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Mit freundlichen Grüßen
Edmund Urbani
Liland IT Team

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