[x3d-public] add/deleteRoute in inlines

[Andreas Plesch]

Hello,

I am working on deleting and adding Routes via deleting and adding Route
DOM elements, with cobweb:

https://andreasplesch.github.io/cobweb_dom/tests/fanOutRoute.xhtml

It seems to work fine for Routes in the main scene/execution context.

Now, there may be an expectation to also be able to add/delete routes
within inlines and their execution contexts, from outside the inline since
DOM javascript code is by definition external.

For example, a common scenario may be to have a scene with a single Inline
dom node as a way to include the x3d content while still keeping the html
concise. A web page author then may still want to manipulate all aspects of
the x3d.

There is probably a way in cobweb to get the correct execution context of
the Route node that user code wants to remove, or add, by looking for the
closest ancestor scene element (since inline scenes are appended to their
inline element). Using this execution context it would then be possible to
use the SAI addRoute and deleteRoute functions.

However, the standard SAI does not seem to have a function to get the
execution context of an Inline scene, even for external SAI use ? Is this
the case ?

If this is the case, is the main reason that the expectation is that any
access to a scene contained in an Inline would have take to place from
scripts (I believe these would be the containing node of
http://www.web3d.org/documents/specifications/19775-2/V3.3/Part02/concepts.html#ContainingNode)
within the inline ?

Just trying to understand all what is involved. Any hints or comments
welcome,

Andreas




-- 
Andreas Plesch
39 Barbara Rd.
Waltham, MA 02453
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