Re: [Dynapi-Dev] New BlackBoard concept for DynAPI 3.0

[Doug M. <do...@cr...>]

I like very much.
Should it be an extension?
I think it would be best as a native functionality (imho)
Basically, are we looking at a seconf layer to hold HTML (or children?)?
Or would we simply cause the re-rendering of child layers from the children
array?

Note: that if we are talking re-rendering the layers you will run *SMACK*
into the netscape 4.x
memory leak.
----- Original Message -----
From: "Raymond Irving" <xw...@ya...>
To: "DynAPI-Dev" <dyn...@li...>
Sent: Wednesday, March 26, 2003 6:23 AM
Subject: [Dynapi-Dev] New BlackBoard concept for DynAPI 3.0


> Hello everyone,
>
> Sometime ago some of our users had a problem with
> setHTML(). Whenever setHTML() was called after you
> added a child layer it would erase the child and
> overwrite the html content.
>
> The BlackBoard approach:
>
> lyr.setBlackBoard(b,x,y);
>
> Once the blackBoard is setup (before the layer is
> created) you can then call setHTML() and if will not
> erase the child layers but overwrite the html content.
> This will make it easier for us to create things like
> the button widget:
>
> lyr.setBlackBoard(true);
> lyr.addChild(new DynLayer(),'_lyrCover');
> dynapi.document.addChild(lyr);
> lyr.setHTML('Click Here');
> lyr._lyrCover.setAnchor({left:0,top:0,stretchH:'100%',stretchV:'100%'});
> ....
> lyr.setHTML('Ok');
>
> Any comments?
>
> --
> Raymond Irving
>
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