Jörn Nettingsmeier schrieb:
stevecam wrote:
I want to make use of Flowscript and JXTemplates from Lenya.
My requirement is to create pages that incorporate data from a
database into
tables and allow users to select rows in the tables, their selection
in turn
affecting what they see on the next page. Flowscript seems to be a simple
means to acheive this.
Also, I want to make use of the JDBi javascript database interface
library
in the Cocoon "Easy SQL database access" demo in the forms block.
My task now is to find the best way to make use of these means in Lenya.
There is some information available on how to use CForms from Lenya
but no
good example of Javaflow and JXTemplates.
Specifically I want to generate the page body (that would normally
come from
an index_en.xml file (or other language version of it)) via a
JXTemplate and
to have a Flowscript use (call) a modified Lenya pipeline to aggregate
the
body with my sites standard header, footer, breadcrumb.
I presume that for the Lenya menu highlighting and breadcrumb
functionality
to work then the page must be one in the Lenya sitetree.
That's true, but in your case the page would only be a placeholder for
the content which is generated dynamically by the usecase or resource
type module sitemap (whatever approach you choose).
I'll have a go at this now and add to this thread with my results, but if
anyone has already implemented such a thing I'd be happy for some help.
if you need flow, you should implement it as a usecase.
in lenya 2.0, there is a document type called "usecasedocument", which
allows you to disguise a usecase (which normally has a view that's
orthogonal to documents) as a plain document, which you can include in
your navigation menu and handle it as if it were just another xhtml doc.
perhaps andreas can chime in with more details here?
http://lenya.apache.org/docs/modules/usecasedocument/index.html
alternatively, you could create a custom doctype that will just contain
a database query and a link to a special xslt that renders it to the
desired xhtml output. i've done that for accessing an xml database, and
it worked ok. i'd be glad to help out, but i only know lenya 2.0...
I'd also use a resource type rather than a usecase because
- it is a read-only operation
- custom flow is required
I guess I'd start with a resource type module (there's a tutorial in the
documentation) and add the stuff from the "Easy SQL database access"
tutorial in the module sitemap.
-- Andreas
--
Andreas Hartmann, CTO
BeCompany GmbH
http://www.becompany.ch
Tel.: +41 (0) 43 818 57 01
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