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Re: SVG 1.2: Something Missing?

From: Peter Sorotokin <psorotok@adobe.com>
Date: Mon, 01 Mar 2004 10:44:37 -0800
To: alex.adam@evolgrafix.com, www-svg@w3.org
Message-id: <5.2.0.9.2.20040301103930.04a6cea0@mailsj-v1.corp.adobe.com>
At 06:27 PM 3/1/2004 +0100, Alexander Adam wrote:

>Hello,
>
>
>
>Were currently evaluating RCC to implement into an authoring tool.
>
>We had a good progress but came to a big issue. Say someone writes a new 
>widget with rcc
>
>and the elementDef Element, how can the end-user know which attributes 
>this new widget accepts?
>
>E.g. I create a progressbar with a progressand a maxvalue, how can I know 
>that these two attributes
>
>are available and which type (SVGLength) they have? Surely I could look 
>into the documentation from the author
>
>if theres one but how can an authoring tool know that? There must be a 
>REQUIRED tag in the elementDef Element
>
>where you need to setup all the available properties to let a custom 
>widget become valid or any other solution
>
>that goes into that direction. Could you please help me out how thatll 
>work or should work? Were currently hanging on this problem.

First off, I'd suggest that for any custom grammar that someone wants to 
develop there should
be a schema. You need to know not only attribute list, but nesting rules as 
well.

In terms of RCC, there will be an element that defines a "trait" - which is 
basically an animatable attribute.
Right now we think we need only namespace, name and data type. Maybe also 
of it is a regular or
presentation attribute (and can be styled with CSS).

Peter


>
>
>thanks,
>
>
>
>mfG / Sincerely
>
>Alexander Adam
>
>EvolGrafiX - <http://www.evolgrafix.com>http://www.evolgrafix.com
>
>SVGCaf - http://www.svg-cafe.com
>
>
Received on Monday, 1 March 2004 13:43:47 GMT

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