[Seaside] Re: really simple JQuery slider/widget example without the support of the test classes?

[Lawson English]

On 8/3/10 11:29 PM, Andreas Raab wrote:
> On 8/3/2010 11:14 PM, Lukas Renggli wrote:
>> You can copy and paste that example, there are no other dependencies
>> but the inst-var 'current' that you should initialize with a number.
>
> I think he might be looking for this:
>
> http://book.seaside.st/book/getting-started/pharo-squeak/first-component/registering 
>
>
> I ran into the same issue; it is decided non-obvious that the creation 
> of a component on the welcome page "magically" works but that there's 
> no trace in the resulting code that reveals what one must do to to 
> perform the equivalent action in code somewhere (i.e., if you create 
> the very same class by hand "it doesn't work").
>
> I do understand why this stuff works the way it works but I think 
> clarity could be dramatically improved by having something that makes 
> the necessary registration explicit. Could be as simple as having the 
> registration in the class initialization of components created on the 
> welcome page - I certainly would've found that.
>
> Cheers,
>   - Andreas
>

I'm afraid I did that. :-(

WAAdmin register: WebCounter asApplicationAt: 'webcounter'.
WAAdmin register: ExampleJQSlider asApplicationAt: 'exampleslider'.

WebCounter initialize.
ExampleJQSlider initialize.

the webcounter app works.
the exampleslider app has the error:



WAToolDecoration(Object)>>doesNotUnderstand: #setOwner:

fileout:

'From Squeak4.1 of 17 April 2010 [latest update: #9957] on 3 August 2010 
at 11:48:53 pm'!
JQSlider subclass: #ExampleJQSlider
     instanceVariableNames: 'count current'
     classVariableNames: ''
     poolDictionaries: ''
     category: 'JQuery-Examples'!

!ExampleJQSlider methodsFor: 'initialization' stamp: 'LDE 8/3/2010 21:50'!
initialize
    super initialize.
    current := 50! !


!ExampleJQSlider methodsFor: 'rendering' stamp: 'LDE 8/3/2010 23:30'!
renderContentOn: html
     html div script: (html jQuery new slider
       value: current;
      onChange: (html jQuery ajax
          callback: [ :value | current := value asNumber ]
        value: (html jQuery this slider getValue)))
! !

"-- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- "!

ExampleJQSlider class
     instanceVariableNames: ''!

!ExampleJQSlider class methodsFor: 'class initialization' stamp: 'LDE 
8/3/2010 23:31'!
initialize
     WAAdmin register: self asApplicationAt: 'exampleslider'! !


ExampleJQSlider initialize!





On 8/3/10 11:14 PM, Lukas Renggli wrote:
> You can copy and paste that example, there are no other dependencies
> but the inst-var 'current' that you should initialize with a number.
>
> Lukaa
>
> On Wednesday, August 4, 2010, Lawson English<lenglish5 at cox.net>  wrote:
>> can anyone point to me a REALLY simple transitional example on how to 
>> implement a JQuery slider? Something along the lines of the 
>> webcoiunter example in the seaside book that holds my hand the entire 
>> way?
>>
>> something like 
>> http://demo.seaside.st/javascript/jquery-ui/sliderwidget  with the 
>> detail of http://www.seaside.st/about/examples/counter
>> [
>>   I can't figure out how to apply the 
>> JQSliderFunctionalTest>>renderContentOn:  method to something that 
>> doesn't have the infrastructure of the test class hierarchy  behind it.
>>
>>
>> MyTestSlider>>renderContentOn: html
>>     html div script: (html jQuery new slider
>>        value: current;
>>        onChange: (html jQuery ajax
>>           callback: [ :value | current := value asNumber ]
>>           value: (html jQuery this slider getValue)))
>>
>> doesn't work as I haven't a clue what extra methods are required to 
>> implement the functionality of the example and I can't wrap my head 
>> about the multiple layers of the hierarchy to figure out how the 
>> different widgets are plugged into the sample page...
>>
>>
>>
>> Thanks.
>>
>>
>> Lawson
>> _______________________________________________
>> seaside mailing list
>> seaside at lists.squeakfoundation.org
>> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside
>>



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