[TYPO3-dev] BE module _DISPATCH - BACK_PATH doesn't work with symlinked core

[Jan Bednarik]

Hi Helmut,

I can confirm that

require_once t3lib_extMgm::extPath('cooluri') . 'class.tx_cooluri.php';

works.

Thanks

Jan

Dne 30.8.2013 13:32, Helmut Hummel napsal(a):
> Hi Jan,
>
> On 28.08.13 12:56, Jan Bednarik wrote:
>> I have changed CoolUri's BE modules to be _DISPATCH and I use this code
>> to include necessary classes:
>
> This is a good thing.
>
>> require_once $BACK_PATH . t3lib_extMgm::extRelPath('cooluri') .
>> 'cooluri/manager/linkmanager.Main.php';
>
> $BACK_PATH contains the *relative* path to the typo3 directory of the
> TYPO3 sources.
>
> If you use _DISPATCH then, your module is called from mod.php which is
> inside the mod.php directory, so $BACK_PATH is always an empty string.
>
> If you want to require own classes, never use $BACK_PATH but
> t3lib_extMgm::extPath('cooluri') which returns the absolute path to your
> extension. Thus the require statement should always look like this:
>
> require_once t3lib_extMgm::extPath('cooluri') .
> 'manager/linkmanager.Main.php';
>
> A better (future proof) approach would be to include all your classes in
> a ext_autoload.php file, which the extension extdeveval can
> automatically create for you. Then you do not need any requires at all.
>
>> So what is the correct approach? For required I could use
>> dirname(__FILE__), but this won't work when I e.g. include CSS:
>>
>> $this->pageRenderer->addCssFile($BACK_PATH .
>> t3lib_extMgm::extRelPath('cooluri') . 'mod1/style.css');
>
> As said above, $BACK_PATH is empty if you use the module dispatcher and
> if not includes the relative path tho the typo3 directory of the TYPO3
> sources. $BACK_PATH is of no use, if you want to add your extension
> resources for rendering. You can just use
>
> $this->pageRenderer->addCssFile('' . t3lib_extMgm::extRelPath('cooluri')
> . 'mod1/style.css');
>
> because the page renderer accepts paths relative to document root.
>
> HTH
>
> Kind regards,
> Helmut
>