[TYPO3-dam] Showing captions of DAM images inserted in RTE

[Stanislas Rolland]

Francois Suter a écrit :
> Hi all,
> 
> I have a site with the DAM installed, and editors insert images from the 
> DAM using the RTE. This works fine, except that the client would like 
> some metadata to be displayed along with the image (like the 
> description, the copyright notice, etc.).
> 
> Is there a simple way to achieve that? Having not found such a simple 
> way, I did the following:
> 
> I looked at how images are rendered with the combination DAM/RTE and 
> landed in class binding/imgtag/class.tx_dam_tsfeimgtag.php. It contains 
> one method called renderTxdamAttribute() which renders the image based 
> on information from the DAM. To identify the DAM record, it bases itself 
> on the DAM uid which is passed using special attribute "txdam". Inside 
> the method, this attribute is accessed as 
> $this->cObj->parameters['txdam']. At the end of the method, this 
> attribute is unset, so that it doesn't appear in the output <img> tag.
> 
> This unsetting is inconvenient because it means the "tx_dam" attribute 
> is not available at a later point if one wants to change the rendering 
> of the <img> tag. In my case if I still had this attribute in 
> $this->cObj->parameters I could use it again in a later user func and 
> retrieve all the info from the corresponding DAM record and display 
> whatever is needed.
> 
> So unless I missed some simpler way, I would propose to change 
> tx_dam_tsfeimgtag::renderTxdamAttribute() to not unset the "txdam" 
> attribute and just be careful and not render it. This way the attribute 
> survives and can be used at a later point.
> 
> What do you think?
> 
+1, as long as the attribute does not appear on the frontend.

Kind regards,
Stanislas