RE: Re: SV: [Dynapi-Dev] Widget constructor

[Pascal B. <pa...@dy...>]

but how would you want to handle widget-specific initialisation?


Pascal Bestebroer
pa...@dy...
http://www.dynamic-core.net

> -----Oorspronkelijk bericht-----
> Van: dyn...@li...
> [mailto:dyn...@li...]Namens Barre Bizon
> Verzonden: vrijdag 24 november 2000 11:35
> Aan: dyn...@li...
> Onderwerp: Re: Re: SV: [Dynapi-Dev] Widget constructor
>
>
> hmm seems kindof obscure..
> It strikes me as having a construct method to be a cleaner
> way of doing initialization.. almost like calling super()
> in Java... hm?
> (The code below should work)
>
> function DynLayer() { this.construct(arguments) }
> DynLayer.prototype.construct=function(){
> 	var a=arguments[0]
> ........etc.......
>
> function widget(){
>    this.construct(arguments)
> }
> widget.prototype=new DynLayer
>
>
> > Forget what I wrote.... it should be this instead:
> >
> > function widget(argarray) {
> >    this.DynLayer = DynLayer
> >    eval("this.DynLayer("+argarray.join(",")+")")
> > }
> > widget.prototype = new DynLayer
> >
> > /Lunna
> >
> > At 2000-11-24 06:20 , you wrote:
> > >For that particular case, use the array's join() method.
> > >
> > >function widget(argarray) {
> > >   this.DynLayer = DynLayer
> > >   this.DynLayer(argarray.join(","))
> > >}
> > >widget.prototype = new DynLayer
> > >
> > >/Lunna
> > >
> > >At 2000-11-24 02:07 , you wrote:
> > >>Hmm... does not seem to work at all.
> > >>IE4 says it doesn't support the property or method.
> > >>Could you elaborate, or send me an example of this
> being used somewhere?
> > >>Another problem: DynLayer treats objects sent as the
> first argument as a
> > >>DynLayer object to setStyle after.
> > >>And as arrays(the array arguments in this case) are
> objects and
> > >>correspondingly are identified as such, the setStyle
> method will be called,
> > >>which is not the intent.
> > >>
> > >>/Bart
> > >>
> > >>-----Ursprungligt meddelande-----
> > >>Från: Dan Steinman <dy...@fu...>
> > >>Till: dyn...@li... <dynapi-
> de...@li...>
> > >>Datum: den 24 november 2000 01:37
> > >>Ämne: Re: [Dynapi-Dev] Widget constructor
> > >>
> > >>
> > >>>Just make your widget constructor call the DynLayer as
> a method:
> > >>>
> > >>>function widget(arguments) {
> > >>>   this.DynLayer = DynLayer
> > >>>   this.Dynlayer(arguments)
> > >>>}
> > >>>widget.prototype = new DynLayer
> > >>>
> > >>>Dan
> > >>>
> > >>>On Fri, Nov 24, 2000 at 12:39:05AM +0100, Bartek wrote:
> > >>>> I was wondering whether it is a good idea to have
> some inheritible
> > >>constructor functionality for DynLayer.
> > >>>> I want to be able to create a widget object that
> extends the DynLayer and
> > >>inherits its initialization, i.e so I wouldn't have to
> rewrite the
> > >>initialization code for the widget but instead do
> something like this:
> > >>>>
> > >>>> ------------------------------------------
> > >>>>
> > >>>> function WidgetLayer(){
> > >>>>     this.construct(arguments)
> > >>>> }
> > >>>> WidgetLayer.prototype=new DynLayer
> > >>>>
> > >>>> -----------------------------------------------------
> -
> > >>>>
> > >>>> and it would look something like this for dynlayer:
> > >>>>
> > >>>> -----------------------------------------------------
> ----------------
> > >>>>
> > >>>> function DynLayer(){ this.construct(arguments) }
> > >>>> DynLayer.prototype.construct=function(){
> > >>>>      alert()
> > >>>>      var a=arguments
> > >>>>      if (a.length==1 && a[0]!=null && typeof(a[0])
> =="object")
> > >>this.setStyle(a[0])
> > >>>>      else {
> > >>>>          this.id=a[0]||"JSDynLayer"+
> (DynLayer.nullCount++)
> > >>>>          this.x=a[1]||0
> > >>>>           .......etc...
> > >>>>     }
> > >>>> }
> > >>>>
> > >>>>
> > ----------------------------------------------------------
> -----------------
> > >>>>
> > >>>> I am trying to implent this as I write, to test it
> out, and I'm having
> > >>some problems.
> > >>>> Maybe there is a better way of doing this... If so ,
> please let me
> > know. :)
> > >>>> Or am I on the right track?
> > >>>>
> > >>>>
> > >>>> /Bart
> > >>>_______________________________________________
> > >>>Dynapi-Dev mailing list
> > >>>Dyn...@li...
> > >>>http://lists.sourceforge.net/mailman/listinfo/dynapi-
> dev
> > >>
> > >>_______________________________________________
> > >>Dynapi-Dev mailing list
> > >>Dyn...@li...
> > >>http://lists.sourceforge.net/mailman/listinfo/dynapi-dev
> > >
> > >
> > >_______________________________________________
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> >
> >
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>
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