Re: PROPOSAL: Template Screens

[Wong Kok Wai <wo...@yahoo.com>]

Hi David,

It maybe useful to study the portlet concept in
JetSpeed. I see your proposal and portlet essentially
different way to implement dynamic screen layout. 


--- David Geary <sa...@tri-lakesonline.net> wrote:
> I see template screens as a first step towards
> Cedric's Components. Template
> screens provide the foundation necessary for
> Components: Programmatically
> defining screens.
> 
> The next step is adding support for defining screens
> from an XML file, whether
> that's struts-config.xml or a separate file. Then we
> can add inheritance and
> locale support.
> 
> I want to build this iteratively, with a design that
> reflects Struts design
> patterns (such as screen definitions that are
> analagous to the Map bean in the
> Link tag)*, rather than adopting Cedric's code
> wholesale.
> 
> I'm more than willing to have Cedric or others pitch
> in some code.
> 
> 
> david
> 
> * The Struts map-bean-property-to-request-parameter
> design pattern.
> 
> 
> Cedric Dumoulin wrote:
> 
> >   A kind of  "screen configuration" (called
> instances) is proposed in
> > Components project, which can be seen as an
> extension of Templates.
> >   Screens are defined in a configuration file. You
> can also have different
> > configuration files for different Locale :
> appropriate screens will be loaded
> > according to user Locale.
> >   There is also an "inheritance"  mechanism
> allowing a screen to extend
> > another screen : you define your main screen, and
> derived other screens from
> > it, only changing what is relevant.
> >   To no more about Components :
> >     (main site)
> http://www.lifl.fr/~dumoulin/components/
> >    (mirror)     
> http://www.geocities.com/cedricdumoulin//components
> >
> >   I am currently rewriting part of the code to
> allows easy addition of other
> > "configuration file reader". Like this, it will be
> possible to load instances
> > from, for example, a database. This will also
> allows dynamic change of
> > instances. Code rewriting will not affect actual 
> tags syntax.
> >
> >    Cedric
> >
> > Maya Muchnik wrote:
> >
> > > Hi,
> > > I think the screen configuration through a
> xml-file is made in Components
> > > project (see for example,
> > > componentInstances.xml file). It is very
> convenient. As you maybe know,
> > > the project extends ActionServlet class.
> > > Maya
> > >
> > > David Geary wrote:
> > >
> > > > Yes, that's a good idea, applicable for static
> screens.
> > > >
> > > > We should still allow for programmatic
> definitions, though. Servlets or
> > > > servlet filters are good candidates for
> creating dynamic screen
> > > > definitions.
> > > >
> > > > david
> > > >
> > > > Wong Kok Wai wrote:
> > > >
> > > > > Is it possible to define the screen
> definition in the
> > > > > struts-config.xml? I think this will be more
> flexible.
> > > > >
> > > > >
> __________________________________________________
> > > > > Do You Yahoo!?
> > > > > Get email at your own domain with Yahoo!
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> 


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