Re: Scaffold API proposal 0.2

["John (J5) Palmieri" <johnp martianrock com>]

Oh and one more advantage of having an internal XML representation of
the Paths: Your session code is written for you.  The XML representation
reflects the internal state and can be saved out and then relaoded with
zero extra processing.

--
J5

On Sat, 2004-01-24 at 11:03, John (J5) Palmieri wrote:
> Hey Gustavo,
> 
> I would just like to say great work.  I'm still looking over it all and
> digesting it.  Once we have solid interfaces I would be glad to code
> some of them.  
> 
> I would like to consider using the at least a subset of the XPath API
> for the ValueContainer stuff.  Why?  because it is very simple and well
> defined.  Basicly if we had a tree:
> 
> /Documents
> 	/Document name = "hello.c" mimetype="text/x-c"
> 	/Document name = "hello.h" mimetype="text/x-c-header"
> 	/Document name = "world.c" mimetype="text/x-c"
> 	/Document name = "world.h" mimetype="text/x-c-header"
> 
> /Documents/*  would return a list of all children of Documents (In this
> case a list of all Document objects)
> /Documents/Document would return a list of all Document objects
> /Documents/Document[1] would return the first document "hello.c"
> /Documents/Document[last()] would return the last document "world.h"
> /Documents/Document[ name] would return all Document objects with a name
> /Documents/Document[ name="hello.h"] would return the hello.h Document
> 
> This would give us the ability in the future to integrate into open
> standards more redily.  It also takes the pressure off defining an API
> as we can now consentrate on defining what subset we would use.  I can
> remeber using a program written in VB.  The one cool asspect of it was
> that the main interface was written in HTML and used XPath or some MS
> knockoff, to trigger events within the ActiveX controls.  So a link that
> was clicked would have /app/main/action[10] as its target.  Inorder to
> customize the interface for my company all I had to do was figure out
> what action path did what and write a link.  Scaffold might not use this
> but some other app using scaffold technology might.  
> 
> XPath is already integrated into libxml2 so we could somehow use that
> (keep an XML rep of our paths in memory which should never get more than
> a couple of hundred nodes if even), rip their code, or implement our own
> mini-XPath API.
> 
> Just a thought.
> 
> --
> J5
> 
> On Thu, 2004-01-22 at 19:16, Gustavo Giráldez wrote:
> > Hi guys,
> > 
> > Here's a new version of my API proposal for Scaffold with changes due to
> > the feedback I got from you.  Attached is the html version.  You can get
> > the Docbook file from
> > http://webs.uolsinectis.com.ar/gustavog1/scaffold/.
> > 
> > There are still a bunch of missing/incorrect parts.  Most notably, the
> > ideas from John's last mail[1]: the layout switch, highlighting and the
> > markers interface.  Those are particularly hard and I haven't had much
> > time to think about them.
> > 
> > I think I'll start throwing out some code, so I'd like to get the basic
> > interfaces first (ValueContainer, EventBus, ShellUI and UIActionTarget).
> > 
> > Also, I want to have a document describing the expected implementation
> > and behavior of the fundamental plugins (namely project manager,
> > document manager and session).  I'll write a draft document in the next
> > few days (unless somebody else wants to do it ;-)
> > 
> > Comments, ideas, flames? :-)  All feedback appreciated.
> > 
> > Regards,
> > Gustavo
> > 
> > 
> > [1] http://mail.gnome.org/archives/gnome-devtools/2004-January/msg00031.html
> > 
> > 
> 
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