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

[Bart B. <ba...@ho...>]

Well as I wrote it is done the same way that dynlayer will initialize 

function widget(){
    this.construct(arguments)
    // rest of your code
}

-----Ursprungligt meddelande-----
Från: Pascal Bestebroer <pa...@dy...>
Till: dyn...@li... <dyn...@li...>
Datum: den 24 november 2000 18:17
Ämne: RE: Re: SV: [Dynapi-Dev] Widget constructor


>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
>> > >>
>> > >>_______________________________________________
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>> > >>Dyn...@li...
>> > >>http://lists.sourceforge.net/mailman/listinfo/dynapi-dev
>> > >
>> > >
>> > >_______________________________________________
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>> >
>> >
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>>
>>
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>
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