[Seaside] WAComponent callbacks, continuations and #children

John Thornborrow john at pinesoft.co.uk
Thu Jun 7 13:46:54 UTC 2007


Also note that the same occurs if I remove the registry completely and
use just instance variables of the root object.

Thanks again,

John
www.pinesoft.co.uk

John Thornborrow wrote:
> Attached is an example (MyStuff.st - fileout format)
>
> In order to reproduce the callback error..
>
> 1. Open the page
> 2. Click the "A Link" url in the top left.
> 3. Click your back button.
> 4. Click the "link" in the pink box.
>
> Many thanks in advance for any assistance.
>
> John.
> www.pinesoft.co.uk
>
>
>
> John Thornborrow wrote:
>   
>> Lukas Renggli wrote:
>>   
>>     
>>>> Other issue (1. on the list) is the maintenance of the instances, I'm
>>>> not happy with using singletons as this could (and probably will)
>>>> generate cross-session changes.
>>>>       
>>>>         
>>> There is something fundamentally wrong with your code. Using
>>> singletons certainly won't work. A component encapsulates the state
>>> private to a single session, they must not be shared among different
>>> sessions.
>>>
>>> If you could provide a file-out or Monticello package then we could
>>> certainly help to solve your problem. With the current information it
>>> is rather difficult to help.
>>>
>>> Lukas
>>>
>>>     
>>>       
>> I shall make a file-out shortly, however I have been asked to work on
>> something else for now.
>>
>> On the note of singeltons, the reason for this is because if I created a
>> new component object, I would receive the callback error because it is
>> not the same instance as the previous callback state had.
>>
>> Once I get round to generating the file out, hopefully my problem will
>> be more clear.
>>
>> John.
>>
>> www.pinesoft.co.uk
>>
>>
>> Pinesoft Computers are registered in England, Registered number: 2914825. Registered office: 266-268 High Street, Waltham Cross, Herts, EN8 7EA
>>
>>
>>
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>>
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