Re: The highlight() method

[Benoit Bezaire <benoit@itedo.com>]

I haven't heard from anyone regarding this one either? Your comments
would be appreciated.

-- 
 Benoit   mailto:benoit@itedo.com

 
Friday, November 25, 2005, 10:54:57 AM, you wrote:

> Hi,

>   Itedo noticed that the highlight() method on the Picture interface
>   may be problematic.

>   The prototype is:
>   void highlight(in WebCGMNodeList nodes, in boolean state);

>   The method works for the following script:
>   var list = pic.getAppStructuresByName("listToHighlight");
>   pic.highlight( list, true );

>   however, the following code is invalid:
>   var aps = pic.getAppStructureById("apsToHighlight");
>   pic.highlight( aps, true );

>   getAppStructureById returns a WebCGMNode, not a WebCGMNodeList, doh!

>   Here are some options that we have:
>   i) leave it like this, fix in a later version (2.1) but that means
>   WebCGM 2.0 users will not be able to highlight a single Application
>   Structures.

>   ii) change getAppStructureById to return a WebCGMNodeList. This
>   however will force script writers to write:
>   var id = pic.getAppStructureById("myID");
>   if( id.count > 0 )
>   {
>      id.item(0). etc...
>   }
>   every time they want to access and APS by Id.

>   iii) have two highlight methods. One that is called highlight(
>   takes a WebCGMNode ) and one called highlightMany( takes a
>   WebCGMNodeList). It wouldn't look very good in the spec, but hey, it
>   would work.

>   iv) introduce some sort of WebCGMNode.makeList() method that
>   would return a WebCGMNodeList from a WebCGMNode. This approach would
>   need more thoughts, as it could complicate the 'live' node
>   implementation of our DOM.

>   Thoughts,