[Yanel-dev] GWT usage for AJAX features in Yanel

Thu Jan 10 23:37:45 CET 2008

Evaldas Taroza wrote:

> Hi everyone,
> I played with Google Web Toolkit (GWT) a bit (I used it before and 
> really loved it) and tried to use it in Yanel. And I liked the outcome.
>
> As you might know GWT enables AJAX development in JAVA: you develop in 
> JAVA, then translate everything into JavaScript. To my mind this is 
> valuable, because you don't need to search and learn new JS libraries 
> that usually don't work the way you want (modifying JS libraries is 
> really error prone). For instance, I find it easier to program your 
> own AJAXy table with GWT than learning LiveGrid and similar JS 
> libraries. Moreover, many widgets are already developed and available, 
> and everything is in JAVA! All you need is simply to run it through a 
> tool to get corresponding JavaScript. Well, you can read about GWT in 
> http://code.google.com/webtoolkit/overview.html
>
> Now a bit on how to integrate GWT into Yanel. There is at least one 
> way: develop a widget with GWT, compile it into JavaScript and use it 
> as any other JS library inside Web pages. So you can develop Web page 
> UI almost like Swing. For instance:
> <html>
> <body>
>   <script language="javascript" src="$path$/widget.for.panel1.js">
>   </script>
>   <div id="panel1">
>   </div>
>   <script language="javascript" src="$path$/widget.for.panel2.js">
>   </script>
>   <div id="panel2">
>   </div>
> </body>
> </html>
>
> In this example I have two panels that would have the contents 
> generated by respective JS. Each of them is developed with GWT (in 
> pure JAVA, like Swing).
>
> As far as the server side is concerned, GWT is also quite developer 
> friendly as it provides a fully fledged RPC API, hence the servlets 
> may be made more fine grained.
>
> In general, I think, that Yanel users will always want AJAXy features, 
> so having a nice framework for it is a step forward, and for that I 
> suggest GWT. 

sounds great resp. what would be the next steps to get this going?

WDOT?

Cheers

Michi

> Maybe there other alternatives?
>
> Evaldas
>
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-- 
Michael Wechner
Wyona      -   Open Source Content Management   -    Apache Lenya
http://www.wyona.com                      http://lenya.apache.org
michael.wechner at wyona.com                        michi at apache.org
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