[TYPO3-mvc] Extend CropViewhelper

[Sebastian Schreiber]

Maybe this helps and make you feel better:

Introduce a member variable in your class overrite the renderChildren 
method in your class and return your
variable.

Right?

Am 10.10.2011 01:00, schrieb Thomas Allmer:
> hey,
>
> can I set somehow the content of the current viewhelper?
> I do want to extend the CropViewHelper like this:
>
> class Tx_Reposearch_ViewHelpers_Format_HighlightCropViewHelper extends 
> Tx_Fluid_ViewHelpers_Format_CropViewHelper
>
> so I get the string and do some modifications to it afterward I want 
> to call the parent, but as Crop gets the content with 
> $this->renderChildren(); I can't give my "new" string as a parameter?
>
> I though of probably something like this but that obviously don't work 
> as there is no setContent function :p
> $this->setContent($stringToHighlightTruncate);
> return parent::render($maxCharacters, $append, [...]);
>
> so currently I more or less just fork the Crop viewhelper... but that 
> doesn't seem right... so anyone got a better solution?
>
> see gist for full code https://gist.github.com/1274313
>
> I was just thinking, but in most cases I don't even need this as most 
> viewhelpers do it like this and let you define the subject via 
> parameter...
> if ($subject === NULL) {
>     $subject = $this->renderChildren();
> }
>
> so probably a bug report for a view?
>
> cheers


-- 
Sebastian Schreiber
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(TYPO3 Certified Integrator)

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