Entry types preferences: Unable to remove multiline property from field

[Siedlerchr]

JabRef version

Latest development branch build (please note build date below)

Operating system

Other (please describe below)

Details on version and operating system

OS independent

Checked with the latest development build (copy version output from About dialog)

• I made a backup of my libraries before testing the latest development version.
• I have tested the latest development version and the problem persists

Steps to reproduce the behaviour

Custom entry types
I changed the "Author" field to multiline for the "Article" entry type in preferences.

After restarting JabRef, the "Author" field became multiline for all entry types, even though it should only apply to "Article".

Now, when I try to change the "Author" field back to a single line by unchecking the option and restarting, nothing happens. To remove the multiline setting, I have to update it for all entry types.

Does Reset to default work?

No, it doesn’t. It only resets the selected entry type, the "Article", but the "Author" field is still marked as multiline in other entry types. So, when saving, it remains multiline because of those other types.

Appendix

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[PressJump]

Hey @Siedlerchr, I am able to recreate this issue on the latest development branch build and I would be interested in picking this issue up as my first contribution if the issue does not have anyone assigned/planned to be assigned on it. Thanks.

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[Siedlerchr]

As a general hint, fields are global and shared among the entry types. That explains part of the issue and is by design.
However, at least the reset should work and the toggle between multiline and single line

[PressJump]

As a general hint, fields are global and shared among the entry types. That explains part of the issue and is by design. However, at least the reset should work and the toggle between multiline and single line

Thanks for this, it makes sense that the entry types are global among entry types but I do see that it does not reset/toggle between multi-line and single line.

[PressJump]

After looking into the issue, I see that the current implementation for multiline fields are saved and used globally shared among entry types like the implementation of required fields causing the original bug where one of the entry types having a field checked will toggle all other multiline options of its field in other entry types. This will require the modification of NonWrappableFields implementation in FieldPreferences with accommodation for per entry type field options making it possible to apply the multiline option per entry type rather than globally as per the issue description. This modification will require changes across multiple files as the NonWrappableFields getter is used 30 times in the codebase.

I will further look into this tomorrow and put together a draft pull request for testing.

[HoussemNasri]

Refs #11951