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Subject: RE: [cgmo-webcgm] Last Call re: ATTN: implementors especially -- Forrest, Ulrich
Do we need a telecon tomorrow to resolve this? I have not set one up, but can if we need one. Franck and I are in meetings, so we couldn't make it, but you guys to hash it out. Thx...Dave -----Original Message----- From: Lofton Henderson [mailto:lofton@rockynet.com] Sent: Monday, October 24, 2005 11:24 AM To: Benoit Bezaire; cgmo-webcgm@lists.oasis-open.org Subject: [cgmo-webcgm] Last Call re: ATTN: implementors especially -- Forrest, Ulrich Implementors!!! Going once, going twice, ... Dieter put out the call for you (esp. Forrest, Ulrich) to confirm that his proposed changes to the text are okay. The proposed changes correct an alleged omission of prior agreed stuff. Benoit agrees with the changes. No one else responded. Therefore they must be okay, and we will put them into the text. [Btw, "users" can opine as well, but I'm particularly interested in what implementors have done.] -Lofton. At 03:29 PM 10/20/2005 -0400, Benoit Bezaire wrote: >Hi, > > I just want to clarify a few points... > > I don't think the discussion: > "GetWebCGMDocument will always return the WebCGMMetafile object, > i.e. it will return the object no matter whether a WebCGM is open in > the viewer or not." was ever said that clearly. > > That being said, I do remember discussions concerning exceptions; > where we couldn't figure out when an exception would be thrown for > the getWebCGMDocument() method. So if we couldn't figure out when an > exception would be thrown, this implies that getWebCGMDocument > always returns a WebCGMMetafile. > > Secondly, as all the test files of the test suite demonstrate, it is > possible to get back a WebCGMMetafile even if no CGM document is > loaded. The test files set a new value to the .src attribute. > > Dieter is correct when claiming that the WebCGMMetafile is > underspecified when no CGM document is loaded... what should the > attributes set to? In my opinion they should be set to null, "" or 0 > depending on the type. > >-- > Benoit mailto:benoit@itedo.com > > >Thursday, October 20, 2005, 1:04:35 PM, Dieter wrote: > >DW> see below. > > > >DW> From: Lofton Henderson [mailto:lofton@rockynet.com] >DW> Sent: Thursday, October 20, 2005 7:00 PM >DW> To: dieter@itedo.com >DW> Cc: 'David Cruikshank'; Benoit Bezaire >DW> Subject: RE: for your interface-checking assignment > > > >DW> Hi Dieter, > >DW> Thanks for the careful reading, and the catch of the apparently >omitted detail. > >DW> I'm not meaning to challenge your memory, but I don't remember this >DW> detail. Just to be safe, could I suggest that you send it to the >DW> TC list for confirmation (or challenge)? I suggest (in salutation >DW> in body of the message) ATTN: implementors especially -- Forrest, >DW> Ulrich > >DW> Dave, I think it might be prudent to schedule a Wednesday telecon >DW> next week, on contingency. I think we are going to end up with a >DW> few things to talk about, and we don't need a 2-week delay at this >DW> point. Agreed? > >DW> One other comment (embedded)... > >DW> At 05:59 PM 10/20/2005 +0200, Dieter Weidenbrück wrote: >DW> Lofton, > >DW> the result of my review: > >DW> I can't find it right now, however it as confirmed by Benoit that >DW> we made the following decision a while ago: > > >DW> Approximate sense of how long ago? (I would like to point out to >DW> Dave that lack of minutes is becoming an inconvenience. I have >DW> completely lost track, for example, of who has what action items, >DW> e.g., the 'highlight' test case.) > > >DW> GetWebCGMDocument will always return the WebCGMMetafile object, i.e. >DW> it will return the object no matter whether a WebCGM is open in the >DW> viewer or not. >DW> The reason for that decision was that thus >DW> - the user has access to the src parameter of the WebCGMMetafile >interface >DW> - the user has access to the addEventListener method of this interface > >DW> Hence, I suggest to change the wording of 5.7.2 and 5.7.3 as follows: >DW> . > >DW> getWebCGMDocument > >DW> Returns the WebCGMMetafile object for the referenced WebCGM >document. If no WebCGM >DW> document is open in the viewer, the >DW> WebCGMMetafile object will still be returned. >DW> 5.7.3 Interface WebCGMMetafile > >DW> Attributes > >DW> metafileDescription of type WebCGMString, readonly > >DW> Returns the Metafile Description of the WebCGM document, >DW> which is a string consisting of QUOTE-delimited substrings, as >DW> defined in the WebCGM PPF. For example: >DW> "ProfileId:WebCGM""ProfileEd:2.0""Source:A software >DW> vendor""Date:20040602""ColourClass:monochrome". Also as specified >DW> by the WebCGM PPF, a valid metafileDescription will always >DW> contain the ProfileId: and the ProfileEd:, other information such >DW> as Source, ColourClass etc... is optional. If no WebCGM >DW> document is open in the viewer, an <a href="#empty-string">empty >DW> string</a> is returned. > >DW> firstPicture of type WebCGMPicture, readonly > >DW> Returns the first WebCGMPicture element of the WebCGM >DW> document. Subsequent WebCGMPictures can be accessed using the >DW> WebCGMPicture interface. A WebCGM 2.0 document contains exactly >DW> one WebCGMPicture. If no WebCGM document is open in the >DW> viewer, <a href="#null-return-value">null</a> is returned. > >DW> metafileID of type WebCGMString, readonly > >DW> Returns the Metafile Identifier, which is the parameter of >DW> the BEGIN METAFILE element in the CGM document. If no WebCGM >DW> document is open in the viewer, an <a href="#empty-string">empty >DW> string</a> is returned. > >DW> metafileVersion of type unsigned short, readonly > >DW> Returns the Metafile Version of the WebCGM document. If no >DW> WebCGM document is open in the viewer, the value zero is >DW> returned. > >DW> src of type WebCGMString > >DW> The URI of the current document. On setting, the new >DW> document pointed to by the URI is loaded by the user agent. The >DW> user agent must fully parse the fragment identifier (if any) in >DW> the URI and execute the indicated behavior. If a URI fragment is >DW> present, it must not contain a picture behavior term, following >DW> the "Picture behaviors" rule for links to CGM content from >DW> non-CGM content. If the CGM resource pointed to by the URI is >DW> currently loaded for the object, the user agent shall not reload >DW> the CGM (similar to the specification of a same-CGM URI for the >DW> _replace behavior on a CGM-to-CGM link<delete>.</delete>) . Upon >DW> getting, if no WebCGM document is open in the viewer, an <a >DW> href="#empty-string">empty string</a> is returned. > >DW> _________________________ > >DW> Rest is ok. >DW> Respectfully submitted, >DW> Dieter > > > > >> -----Original Message----- > >> From: Lofton Henderson [mailto:lofton@rockynet.com] > >> Sent: Thursday, October 20, 2005 5:09 PM > >> To: dieter Weidenbruck; Galt, Stuart A; Forrest Carpenter > >> Cc: David Cruikshank > >> Subject: for your interface-checking assignment > >> > >> [1] > >> http://www.oasis-open.org/committees/download.php/14983/WebCGM > >> 20-DOM-refmt.html > >> > >> As agreed at today's telecon: > >> > >> 5.7.1 -- Stuart > >> 5.7.2 -- Dieter > >> 5.7.3 -- Forrest > >> > >> I have reformatted the descriptive text following the IDL > >> code blocks. Extensive cut/paste. Check the text of [1] > >> line-by-line against previous draft [2] (7-oct Editors > >> Draft), to ensure that I didn't make mistakes. > >> > >> Please point out any errors, or tell me "okay". > >> > >> Thanks, > >> -Lofton. > >> > >> [2] > >> http://www.oasis-open.org/committees/download.php/14826/WebCGM > >> 20-20051007.zip
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