[TYPO3-mvc] Displaying and modifying session data on same page

[Chris Wolff - AERTiCKET AG]

Hi Jan,
if you have the option you should go for Signal/Slot.

Signal/Slot and hooks do basically the same. They give you the option to run your own code at certain points.

Signal/slot is a bit nicer as it provides and general interface which stays the same for every signal.
And provide dependency injection.

Hook are the legacy way of doing things. every hook function uses a different interface. therefore
You need to look at the code which calls the hook to understand what you will be getting.
You could read about hooks here: 
http://docs.typo3.org/typo3cms/CoreApiReference/ApiOverview/Hooks/Concept/Index.html

to my knowledge there is no "overview" of all hooks + signals typo3 provides.

Which makes it a bit hard to find the correct one for your case.

Regards chris

-----Ursprüngliche Nachricht-----
Von: typo3-project-typo3v4mvc-bounces at lists.typo3.org [mailto:typo3-project-typo3v4mvc-bounces at lists.typo3.org] Im Auftrag von Jan Kornblum
Gesendet: Mittwoch, 3. Juni 2015 14:13
An: typo3-project-typo3v4mvc at lists.typo3.org
Betreff: Re: [TYPO3-mvc] Displaying and modifying session data on same page

Hi again,

> thanks for your explanations. Although my solution seems to be o.k. 
> for this case, i'm interested in how to realize this using a hook. 
> This seems more comfortable (e.g. extension distribution) than having 
> to include any hidden plugins or similar.
>
> As i've never used any hook, how does this work? Which hook should i 
> used preferred and is it possible to call any controller action 
> directly from this? How to get from a hook into the extbase context?

I've just read about the signal slot pattern is supported by extbase. 
This seems to be more recommended than using a hook. But, would it work? Which "place" or signal is offered by the system?

Regards, Jan


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