[TYPO3-dev] Copy records in the backend: Which fields are copied?

[Jigal van Hemert]

Hi,

On 24/03/2015 09:56, Christian Weiske wrote:
> Who determines which fields are copied when a record is copied and
> pasted in the TYPO3 backend (e.g. a page record)?
>
> In https://forge.typo3.org/issues/65964 a user copied a tt_content
> element, but the value of an additional column is not copied.
> (The column was added through our extension, via
>> t3lib_extMgm::addToAllTCAtypes()
> ).

A lot of people determine that. A few TCA settings that have influence:

- ctrl > copyAfterDuplFields (copy field values from record after which 
the copied or moved record was placed)
- ctrl > setToDefaultOnCopy (set field to default value in copy)
- columns > config > eval (for input field, can have a tx_* eval type 
which is handled by an extension)

There can be possible hook subscribers which hook in DataHandler (aka 
TCEmain) to modify a record before it's stored in the database.

In the User TSconfig it's possible to set TCAdefaults for any field in 
any table (combined with the setToDefaultOnCopy it can lead to 
surprising results)

... and probably a lot more options to hook somewhere in the process 
between hitting the paste button and storing the actual data in the 
database.

-- 
Jigal van Hemert
TYPO3 CMS Active Contributor

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