Last Comment Bug 300757 - Implement mustUnderstand attribute
: Implement mustUnderstand attribute
Product: Core Graveyard
Classification: Graveyard
Component: XForms (show other bugs)
: Trunk
: All All
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Assigned To: xforms
: Stephen Pride
Depends on:
Blocks: 299255 326372 326373
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Reported: 2005-07-14 05:22 PDT by Allan Beaufour
Modified: 2016-07-15 14:46 PDT (History)
3 users (show)
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QA Whiteboard:
Iteration: ---
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Description User image Allan Beaufour 2005-07-14 05:22:21 PDT
The spec defines a xforms:mustUnderstand attribute that can be placed on _any_
element in _any_ namespace. Argh.

We might need some xtf-like functionality for attributes (possibly also need for
bug 280368).
Comment 1 User image Allan Beaufour 2006-05-30 02:34:09 PDT
Here's a take on how it could be done: Before sending xforms-ready, we should do a 
document.evaluate("//*[@xf:mustUnderstand = 'true']",
And then run through all the returned nodes, and figure out whether they are implemented... 

Question is what that means. I wonder if we can ask nsIContent for example whether it has a native implementation or an XBL binding. Maybe just whether it is possible to QI to a given class?
Comment 2 User image David Bolter [:davidb] 2016-02-04 12:22:43 PST
RIP xforms

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