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Re: Analysis of the effects of moving to XML Events 2 for XForms 1.2

From: Ulrich Nicolas Lissť <unl@dreamlab.net>
Date: Tue, 16 Sep 2008 11:35:30 +0200
Message-ID: <48CF7DE2.7090007@dreamlab.net>
To: Nick_Van_den_Bleeken@inventivegroup.com
CC: XForms <public-forms@w3.org>

Nick,

thanks for the analysis. I already sent an email with questions about
the naming in XML Events 2 to the Forms and XHTML 2 lists some time ago
[1]. Maybe we can use this as a starting point for discussion.

Regards,
Uli.

[1] http://lists.w3.org/Archives/Public/public-forms/2008Aug/0031.html

Nick_Van_den_Bleeken@inventivegroup.com wrote:
> 
> All,
> 
> After a detailed analysis of the effects of moving to XML Events 2[1]
> for XForms 1.2 I came to the following differences between the action
> module, which was based on XForms 1.1 and XML Events 2:
> 
> Events attribute group
> ===================
> 
> * The 'taget' attribute is renamed to 'targetid'
> * phase has extra values 'bubble' and 'target'
> 
> 
> The dispatch Element
> ====================
> 
> * Element is renamed to 'dispatchEvent'
> * The 'name' attribute is renamed to 'raise'
> * The 'target' attribute is renamed to 'to'
> * The delay attribute isn't supported
> * 'name', 'target' and 'delay' can't be dynamic (xpath-expressions)
> 
> Extra functionality in XML events 2
> ========================
> 
> * addEventListener : allows the addition of a listener at run time (also
> introduces the declare attribute on listeners)
> * removeEventListener : allows removing  of a listener at run time
> * stopPropagation : action that stops propagation of an event (to
> support conditional stopping of propagation of events)
> * preventDefault : action cancels the event (to support conditional
> cancelation of events)
> * optional script element
> 
> 
> After doing this detailed analysis I come to the same conclusions we
> came on the previous thread[2]:
> 
>    XML events 2 = our Action module + some not hard to implement new
> features + some renames - (delay, dynamic values for 'name' 'target' and
> 'delay')
> 
> 
> What does everybody think about me ( or somebody else) sending an e-mail
> the XHTML 2 Working Group with Forms WG in CC asking why they have
> chosen dispatchEvent over dispatch (how it was called in XForms), why
> they  changed attribute 'target' to 'targetid' and call it 'to' on
> 'dispatchEvent', and if they could add 'delay' and allow xpath
> expressions for 'name', 'target' and 'delay'.
> 
> Regards,
> 
> Nick Van den Bleeken  -  Research & Development Manager
> Inventive Designers
> Phone: +32 - 3 - 8210170
> Fax: +32 - 3 - 8210171
> Email: Nick_Van_den_Bleeken@inventivegroup.com
> 
> 1: http://www.w3.org/MarkUp/2008/ED-xml-events-20080625/
> 2:
> <http://lists.w3.org/Archives/Public/public-forms/2008Aug/0029.html>http://lists.w3.org/Archives/Public/public-forms/2008Aug/0029.html
> 
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> http://www.inventivedesigners.com/email-disclaimer
> 
> 
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-- 
Ulrich Nicolas Lissť
Received on Tuesday, 16 September 2008 09:36:25 UTC

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