Re[2]: [cgmo-webcgm] default/explicit -- _replace clarification

[Benoit Bezaire <benoit@itedo.com>]

Looks good to me...


Wednesday, June 15, 2005, 6:04:21 PM, Dieter wrote:

DW> see inline
  
DW> -----Original Message-----
DW> From: Lofton Henderson   [mailto:lofton@rockynet.com]
DW> Sent: Wednesday, June 15, 2005 11:57   PM
DW> To: cgmo-webcgm@lists.oasis-open.org
DW> Subject: [cgmo-webcgm] default/explicit -- _replace   clarification


DW> Feedback welcome (esp.   implementors)...

DW> As a first cut at implementing the no-reload decision   for
DW> _replace, I took Benoit's suggested words and applied them to
DW> _replace in   the definition list of 3.1.2.2 and to the _replace
DW> cell of the table.    Which resulted in...

DW> Old text
DW> -----
  
DW> The viewer shall replace the     current picture by the
DW> designated picture in the same rectangular area in     the same
DW> frame or window as the picture which refers to this target. This
DW> is     the default behavior for CGM-to-CGM links. 

DW> New text
DW> -----
  
DW> The viewer shall replace the     current CGM picture by the
DW> designated CGM picture in the same rectangular     area in the
DW> same frame as the picture which refers to this target. If the    
DW> ending resource (CGM) is the same as the linking resource, the
DW> viewer does     not reload the resource. 
DW> [DW] I suggest to add: "This is the default     behavior for CGM-to-CGM links." 


DW> [_replace   in the definition list of 3.1.2.2 has this
DW> additional sentence at the end,   "Applicable only to CGM-to-CGM
DW> links (i.e., this is not defined in HTML 4.01),   this is the
DW> default behavior for such links."]

DW> Then I looked again at   Dieter's mail, which raised two questions (see after):

DW> At 05:18 PM   6/14/2005 +0200,
DW> =?us-ascii?Q?Dieter__Weidenbruck?= wrote:
  
  

DW> 1. LinkURIs
DW> CGM to CGM linkURIs like 
DW> #name(myObj,move)                      simple navigation to another object
DW> #xcf(myXCF.xml)                          load and apply this companion file
DW>  
DW> 2. DOM calls
DW> (assume a cgm is loaded and displayed)
DW> cgmDoc.src = "#name(myObj,move)"
DW> cgmDoc.src =       "#xcf(myXCF.xml)"
DW>  
DW> This is especially important to be able to load XML companion
DW> files       in a sequence, e.g.
DW> -       myScreentips.xml
DW> -       myLinks.xml
DW> -       myConfiguration.xml
DW>  
DW> Suggestion:
DW> If a       picture behavior is explicitely stated, it must be used
DW> If no picture behavior is stated, and the       nature of the
DW> link doesn't require a reload of the file, don't use a      
DW> picture behavior.



  

DW> Questions:

DW> 1.) do we want to distinguish between *explicit*   _replace
DW> and *defaulted* _replace ?  (Dieter's mail seems to imply  
DW> that.)  It seems odd that these should behave differently (if we
DW> are   viewing myCGM.cgm currently):

DW> #name(myObj,   move)
DW> #picseqno(1,_replace).name(myObj,   move)
DW> myCGM.cgm#picseqno(1,_replace).name(myObj,   move)
DW> myCGM.cgm#name(myObj, move)
DW> [DW] no, we should not distinguish   between these cases.
DW> There is even a third variant, where the full fragment   needs to
DW> be written only because the name contains certain characters, e.g.
DW> a   period. Kind of an unwanted explicit _replace then.
  
DW> So  let's treat   them all the same way.
  

DW> [DW] Regards,
  
DW> Dieter 

DW> (Btw, on an intra-cgm link, the   preferred form is that the
DW> picture behavior is put into the 3rd parameter of   the linkuri,
DW> but I have used the un-preferred form for concise illustration  
DW> purposes.)

DW> 2.)  [...next message, to split issues   apart...]

DW> Regards,
DW> -Lofton. 






-- 
 Benoit   mailto:benoit@itedo.com