[Seaside] Problem with callback blocks sharing context using
leves at elte.hu
Mon Nov 1 02:28:02 UTC 2010
On Sun, 31 Oct 2010, Bob Arning wrote:
> Actually, that would not work as written in a closure image. To make it work
> in closure image, you could write something like:
> aRenderer anchor
> callback: (makeCallBackWith: index );
> And then write a method
> makeCallBackWith: n
> ^[self callbackFor: n]
> In a non-closure image, it would work as written since fixCallbackTemps would
> have been sent automatically.
Argh. That's right, maybe it's time for me to get some sleep. :)
> On 10/31/10 9:52 PM, Levente Uzonyi wrote:
>> On Mon, 1 Nov 2010, Hernán Morales Durand wrote:
>>> Hi all,
>>> I'm experimenting different behavior between Seaside 2.8 and 3.0
>>> regarding parameters passed in callback blocks. Attached there is code
>>> to test in both platforms (just click in any of the first 8 links),
>>> the problem is in the variable index in the #callback: of the
>>> following code
>>> | index |
>>> index := 1.
>>> 8 timesRepeat: [
>>> aRenderer tableRow: [
>>> 5 timesRepeat: [
>>> aRenderer tableData: [
>>> aRenderer anchor
>>> callback: [ self callbackFor: index ];
>>> with: 'image link'.
>>> index := index + 1.
>>> ] ] ] ].
>>> In Seaside 2.8 after clicking the link 3 for example, the
>>> #callbackFor: method received 3 as parameter.
>>> In Seaside 3.0 #callbackFor: receive 41.
>>> I would like to preserve the parameter value configured in the
>>> rendering phase, any suggestion how to do that in Seaside 3? (Using
>>> PharoVM 4.0.2 12/4/2010 and Pharo1.1rc2 #11400)
>> Use an image with support for closures. Or if that's not possible, then
>> send #fixTemps to the callback block.
>>> Hernán Morales
>>> Information Technology Manager,
>>> Institute of Veterinary Genetics.
>>> National Scientific and Technical Research Council (CONICET).
>>> La Plata (1900), Buenos Aires, Argentina.
>>> Telephone: +54 (0221) 421-1799.
>>> Internal: 422
>>> Fax: 425-7980 or 421-1799.
>> seaside mailing list
>> seaside at lists.squeakfoundation.org
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