[Seaside] Ending all callbacks/calls

John Thornborrow john at pinesoft.co.uk
Fri Apr 11 16:12:29 UTC 2008

That would still have issues, would it not?

How would (from my example) Component know to return to TaskA?

Many thanks,

Ramon Leon wrote:
>> Hello,
>> I'm trying to add a "home" link/button to our application, 
>> which will return the user to the page after login, whilst 
>> not leaving a trail of calls/callbacks "hanging" in memory.
>> We are using several tasks for some parts of this 
>> application, so I'll make a cut-down example.
>> Root>>go
>>   self call: TaskA
>> TaskA>>go
>>   self call: Component
>> Component>>renderContentOn: html
>>   html anchor callback: [ self session goHome ]; with: 'Home'
>> What I have tried so far, is subclassing the session, and 
>> task and component with the following overrides:
>> Task/Component>>call: aComponentOrTask
>>   self session addCall: aComponentOrTask.
>>   ^super call: aComponentOrTask.
>> Task/Component>>answer: anObject.
>>   self session removeCall: self.
>>   ^super answer: anObject
>> Session>>addCall: aComponentOrTask
>>   calls add: aComponentOrTask
>> Session>>removeCall: aComponentOrTask
>>   calls remove: aComponentOrTask
>> Session>>goHome
>>   calls do: [ :each | each answer: nil ]
>> However, the process will only send #answer: to the first 
>> component due to the continuations (I think.)
>> Does anyone know of a way to effectively reset the 
>> application state to a specific callback?
>> Many thanks,
>> --
>> John Thornborrow
>> http://www.pinesoft.co.uk
> Are you aware of WAComponent>>home, it does exactly this.  Sending home to
> any component removes all decorations from it.
> Ramon Leon
> http://onsmalltalk.com
> _______________________________________________
> seaside mailing list
> seaside at lists.squeakfoundation.org
> http://lists.squeakfoundation.org/cgi-bin/mailman/listinfo/seaside

John Thornborrow

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