Re: [Dynapi-Dev] Introducing the StyleManager

[Raymond I. <xw...@ya...>]

Hi,

Once I'm done with a simple example I'll post it to
the list.

--
Raymond Irving

--- Kevin <ke...@ke...> wrote:
> 
> Raymond wrote:
> 
> > The StyleManager is not about CSS. It's about
> being
> > able to apply javascript functions to an exiting
> > widget to modify it's functions, change it's look
> and
> > it's behavior.
> > 
> > For example you can use the StyleManager to
> convert an
> > ordinary DynLayer into a button widget by just
> > applying the "ButtonStyle". Later you could then
> > change that layer into a ProgressBar by just
> applying
> > the "ProgressBarStyle".
> > 
> > IMO it's a completely modular and fashionable way
> to
> > design DynAPI widgets. With StyleManager a basic
> > widget can be morphed into another widget by just
> > simply changing the style.
> 
> My thinking is:
> 
> button1=new Button()
> button1.setHighLight(...)
> progressbar1=new ProgressBar()
> progressbar1.setScale(...)
> ...
> Morph button1 to a progressbar
> ...
> button1.setScale(..) ?
> 
> How would we know button1 has new methods as
> setScale() was before meaningless for a button?
> 
> button1 and progessbar1 are instances of their own
> class
> with separate attributes and methods. Morphing
> button1
> to a progressbar? Ok fine, but morphing
> 'setStyle(...) or
> maybe setMorph(...)' is not a method of either class
> but
> more a method of a management class not related to
> (or
> inherited from) a DynLayer.
> 
> Perhaps an example would help in understanding what
> is
> intended in an OOP context. Thanks.
> 
> -
> Kevin.
> 
> > > With an established interface it is preferable
> to
> > > add to,
> > > rather than change and break backward
> compatibility
> > 
> > Ok, I guess we'll just keep the 7th argument and
> use
> > setStyle() to change styles on DynLayers.
> > 
> > --
> > Raymond Irving
> > 
> 
> 
> 
>
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