[Seaside] JQueryUI sortable and get smalltalk callback upon change

[Mariano Martinez Peck]

Thanks Bob for your explanation, very clear.

On Mon, Nov 24, 2014 at 4:57 PM, Bob Arning <arning315 at comcast.net> wrote:

>  It's not just that line, it's #callback:passengers: which is a variant
> of #callback:value:. Which means seaside supplies some code (html jQuery
> this find: 'tr') to the client and the client returns the value of this to
> the server. And seaside know to pass this returned value to the block. See:
>
> callback: aBlock value: anObject
>     "Register aBlock as a secondary callback. anObject is a reference to a
> Javascript object on the client-side. The object will be sent back to the
> server as a string and passed into aBlock. Multiple secondary callbacks can
> be defined with one receiver.
>
> Note: anObject should be a single literal Javascript object (String,
> Number, Boolean). The object is transfered from client to server as the
> print-string of the object and passed into the callback block as a
> Smalltalk String."
>
>
>  On 11/24/14 3:02 PM, Mariano Martinez Peck wrote:
>
>
>
> On Mon, Nov 24, 2014 at 12:45 PM, Bob Arning <arning315 at comcast.net>
> wrote:
>
>>  renderContentTableOn: html
>>
>>     html table: [
>>         html tableBody
>>             script: (html jQuery new sortable
>>                 onStop: (html jQuery ajax
>>                     callback: [ :values | self halt. items := values.]
>>                     passengers: (html jQuery this find: 'tr')));
>>             with: [
>>                 items do: [ :each |
>>                     html tableRow
>>                             class: 'ui-corner-all';
>>                             passenger: each;
>>                         with: [html tableData
>>                             with: each
>>                         ]
>>                 ]
>>         ]
>>     ]
>>
>> seems to work.
>>
>
>
>  thanks Bob..that worked like a char. Let me ask.... how does this magic
> line happens:
>
>    callback: [ :values | self halt. items := values.]
>
>  I mean...how does that ajax call know that the callback will have the
> items as argument?
>
>
>
>>
>>   On 11/24/14 10:01 AM, Mariano Martinez Peck wrote:
>>
>>  Hi guys,
>>
>>  I am trying to use JQueryUI sortable for making the rows of a table
>> sortable. I could make it to work at the client side but I don't now how to
>> be able to get the values at the server side in order to update my internal
>> OrderedCollection.
>>
>>  I found #callbackSortable:  but it seems I am doing something wrong...
>> This is what I am doing:
>>
>>   html script: ((html jQuery: 'tbody') sortable
>>  onUpdate:  (html jQuery ajax
>>    callbackSortable: [ :event |
>>             event inspect.
>>  ]))
>>
>>
>>  But the event inspected has nothing.. Everything from "passanger" is
>> nil. I guess I may be missing passing passengers..but I don't know what nor
>> where.
>>
>>  Any idea?
>>
>>  Thanks,
>>
>>
>>  --
>> Mariano
>> http://marianopeck.wordpress.com
>>
>>
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>>
>>
>>
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>>
>>
>
>
>  --
> Mariano
> http://marianopeck.wordpress.com
>
>
> _______________________________________________
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>
>
>
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>
>


-- 
Mariano
http://marianopeck.wordpress.com
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