[TYPO3-mvc] Viewhelper looping child objects stops after one child object shown

[Henjo Hoeksma | Stylence]

Hi Søren,

thanks for your response. Because of time pressure I solved it in my
controller. But I will sure check out your suggestions.

Thanks again.

Kind regards,

Henjo

Problems are small because we learned how to deal with them.
Problems are big because we need to learn how to deal with them.


On Sun, Mar 24, 2013 at 2:58 PM, Søren Andersen <hacksaw at zpeed.dk> wrote:

> Henjo,
>
> I'm no expert, so it's just a wild guess.
>
> Could it be that you need to do a ->rewind() on the object?
>
> Instead of writing your own viewhelper, maybe you could go with the VHS
> extension and use v:var.set and v:math.sum together to do the same job as
> the viewhelper you are writing.
>
> It would be something like this (assuming vhs is set to namespace v):
> Place this before your loop to set the total value to 0:
> <v:var.set name="total" value="0" />
> Inside your loop, do this:
> <v:var.set name="total" value="{v:math.sum(a: '{total}', b:
> '{object.number}')}" />
>
> Now you can acces the value as {total}
>
> Sincerely,
> Søren Andersen
>
> -----Oprindelig meddelelse-----
> Fra: typo3-project-typo3v4mvc-bounces at lists.typo3.org
> [mailto:typo3-project-typo3v4mvc-bounces at lists.typo3.org] På vegne af
> Henjo
> Hoeksma | Stylence
> Sendt: 23. marts 2013 23:45
> Til: TYPO3 v4 MVC project
> Emne: [TYPO3-mvc] Viewhelper looping child objects stops after one child
> object shown
>
> Hi list,
>
> I need a ViewHelper that calculates the percentage of a child object.
>
> The child object contains a property called 'number' and I need to show the
> percentage based upon the other child objects of the parent object.
>
> I thought this would be easy: assign all the child objects to my viewhelper
> and to some calculation there. It works, except for one thing: Only the
> first child object is being returned when I start looping the others in my
> VH.
>
> Basically what I am doing is:
>
> public function render($objects, $currentObject) {
>
> $total = 0;
> foreach ($objects as $object) {
>
> $total = $total + $object->getNumber();
>
> }
> return $total;
>
> }
>
> What am I missing?
>
> It is a 4.5 installation (extbase 1.3.3)
>
> Kind regards,
>
> Henjo
>
> Problems are small because we learned how to deal with them.
> Problems are big because we need to learn how to deal with them.
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