Hi Chris,
Thanks for your response. That's great idea.
Here's what I want to have, in real-life implementation.
I am creating an application that will serve as a intergrated place for
most of my things, may be yours as well.
The items that will be in this integrated-place will be implemented as
tag-lib objects. At least, I plan to do so as of now - but I may get some
good suggestions from the world.
Now, I - as the user of the application - would like to customize the
look-n-feel as per my wish. I may like some items to showup, while not show
the ones that I may don't need frequently (compromise for
load/dispatch-time).
Thank's for the idea. I think that should do what I want to.
Cheers,
Gaurav
----- Original Message -----
From: "Kris Schneider" <[EMAIL PROTECTED]>
To: "Tag Libraries Users List" <[EMAIL PROTECTED]>
Sent: Saturday, March 13, 2004 00:11
Subject: Re: Iterator : Newbie
> Jumping in late, but that's not gonna work. One possibility is to create a
> "dispatch" tag that you use like:
>
> <tag_prefix:dispatch target="${i}"/>
>
> And if you still want to be able to use <tag_prefix:xyz/>, etc.
"statically",
> you'll probably want to create a delegate class that contains the real
> functionality and can be used by both the dispatch and "static" tags.
>
> BTW, is this just curiosity on your part or do you have a real use case
where
> this seems appropriate (like generating tag tests maybe)? If you really
have a
> use case, perhaps sharing that would help generate more effective
feedback.
>
> Quoting Gaurav Vaish <[EMAIL PROTECTED]>:
>
> > No No No.
> >
> > It's simple to 'out' the value of a variable.
> >
> > What I'm looking for is to 'out' a tag-lib component itself. Say, I
have
> > some components that can be rendered as:
> >
> > <tag_prefix:xyz/>
> > <tag_prefix:abc/>
> > <tag_prefix:pqr/>
> >
> > I want 'xyz'/'abc'/'pqr' to be dynamic. If you don't understand,
here's
> > what I mean:
> >
> > ----------------------------------
> > Vector v; // contains a list of components, eg: v.add(abc),
v.add(xyz),
> > v.add(pqr)
> > // abc instanceof MyComponent1
> > // pqr instanceof MyComponent2
> > // xyz instanceof MyComponent3
> >
> > <c:forEach var="i" items="${v}">
> > <tag_prefix:${i}/>
> > </c:forEach>
> > ----------------------------------
> >
> > This is a summary of what I want.
> >
> > I hope that makes things clearer.
> >
> > Or am I still unable to express myself? :(
> >
> >
> > Cheers,
> > Gaurav
> >
> >
> > ----- Original Message -----
> > From: "Martin van Dijken" <[EMAIL PROTECTED]>
> > To: "Tag Libraries Users List" <[EMAIL PROTECTED]>
> > Sent: Friday, March 12, 2004 20:35
> > Subject: RE: Iterator : Newbie
> >
> >
> > > Hey Gaurav,
> > >
> > > Whay you indicate seems as simple as:
> > >
> > > <c:forEach var="item"
> > > items="${some-variable-set-by-request-setattribute}">
> > > <c:if test="${item.selected}">
> > > <c:out value="${item}"/>
> > > </c:if>
> > > </c:forEach>
> > >
> > > What you might want to do is read the Sun JSTL Specification. It
provides
> > an
> > > excellent reference to how the tags work and is very readable. Check
it
> > out
> > > at:
> > >
> > > http://java.sun.com/products/jsp/jstl/
> > >
> > > Grtz,
> > >
> > > Martin
> > >
> > > -----Oorspronkelijk bericht-----
> > > Van: Gaurav Vaish [mailto:[EMAIL PROTECTED]
> > > Verzonden: vrijdag 12 maart 2004 15:44
> > > Aan: Tag Libraries Users List
> > > Onderwerp: Re: Iterator : Newbie
> > >
> > >
> > > Hi Martin,
> > > Thanks...
> > >
> > > But probably this is not what I am looking for. Or may be I got
you
> > > wrong.
> > >
> > > Snippets will make it once-for-all includes. But the include is
> > dynamic.
> > > It is known only at runtime.
> > >
> > > So, I would like to have something like the following:
> > >
> > > <tag:selector var="item" items="somevar">
> > > <tag:if var="$item.selected">
> > > <tag:render item="$item/>
> > > </tag>
> > > </tag:selector>
> > >
> > > One way would be to use JSP-snippet:
> > >
> > > <%
> > > for(int i = 0; i < somevar.size(); i++)
> > > {
> > > MyItem item = somevar.get(i);
> > > if(item.isSelected())
> > > {
> > > item.render(whatever, parameter, list, required, like,
> > > context, request, response, servlet, etc);
> > > }
> > > }
> > > %>
> > >
> > > Can you provide in more details of what you meant by HTML
Snippets?
> > >
> > >
> > > Cheers,
> > > Gaurav
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "Martin van Dijken" <[EMAIL PROTECTED]>
> > > To: "Tag Libraries Users List" <[EMAIL PROTECTED]>
> > > Sent: Friday, March 12, 2004 12:34
> > > Subject: RE: Iterator : Newbie
> > >
> > >
> > > > Hey Gaurav,
> > > >
> > > > Please explore a bit further.
> > > >
> > > > - Your components are HTML snippets?
> > > > - The configuration on whether to display them, can be read how?
> > > >
> > > > Martin
> > > >
> > > > -----Oorspronkelijk bericht-----
> > > > Van: Gaurav Vaish [mailto:[EMAIL PROTECTED]
> > > > Verzonden: donderdag 11 maart 2004 20:31
> > > > Aan: [EMAIL PROTECTED]
> > > > Onderwerp: Iterator : Newbie
> > > >
> > > >
> > > > Hi,
> > > >
> > > > I have just started with TagLibs - and uff! what a hot + fun
time I
> > > had.
> > > >
> > > > Coming to point... I have the following scenario:
> > > >
> > > > - A set of components that I want to display.
> > > > - Their display (visible or not, and order) is given by a
> > > configuration
> > > > which is user dependent.
> > > > - So, I want to use an interator.
> > > >
> > > > * The iterator will contain the list of components to be
displayed.
> > > >
> > > > Problem how to tackle this. Simple, ain't? ;-)
> > > >
> > > > => I think having these components also as TagLib will help, or
am I
> > > > wrong?
> > > > => But still, how do I display them?
> > > > => One way is to use iframes. Separate JSP for each! But that
will
> > > make
> > > > it really huge. And adding one component means adding one JSP also.
I
> > > don't
> > > > like this approach.
> > > >
> > > > Or is there any better approach altogether? Using some advanced
> > > features
> > > > of JSF? (I must admit, I know, probably, only J of JSF.)
> > > >
> > > > btw, has anybody seen the implementation of IBuySpy on .Net? I
> > really
> > > > like the 'Controls' thing. You can add them as modules. Is it
possible
> > to
> > > do
> > > > it this way in Java? All the components are gathered using
configuration
> > > > files... and then displayed as needed.
> > > >
> > > >
> > > > Cheers,
> > > > Gaurav
>
> --
> Kris Schneider <mailto:[EMAIL PROTECTED]>
> D.O.Tech <http://www.dotech.com/>
>
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