Datetime element formats are confusing

Open on Drupal.org →

Created on 3 May 2017, over 7 years ago

Updated 27 October 2023, about 1 year ago

Problem/Motivation

A number of users have become confused around the datetime element's format attributes #date_date_format and #date_time_format.

If you use the HTML5 form elements (which are only supported in some browsers, others make them behave like text fields), then the date/time formats *have* to be the HTML5 flavors ('Y-m-d' and 'H:i:s'). And per Datetime::getInfo(), they default to the HTML5 inputs when not specified.

Part of the problem comes from the docs being in a weird place for this form element.

Proposed resolution

Possible solutions include:

Improve the docblocks and/or move some of the information around, perhaps much on Datetime::processDatetime() should be moved to the top level comment on the class (and some of that may not be accurate in Drupal 8 anymore).
Trigger a notice when custom formats are specified with the HTML5 elements.
If a custom format is specified, then force the element to 'text' (maintainer is not keen on this, and it has probably has BC consequences).

Remaining tasks

Discuss, agree, code.

User interface changes

None

API changes

TBD

Data model changes

None.

Original Summary

We are getting error - Error : "The date is invalid. Please enter a date in the format 2017-05-03 12:57:23". even if we provided expected format in '#date_date_format' & '#date_time_format' in our custom form field - datetime as below code.

$form['datetime'] = [
  '#type' => 'datetime',
  '#size' => 20,
  '#date_date_format' => 'd/m/Y',
  '#date_time_format' => 'H:m',
];

Value Provided on Form Submission : "03/05/2017 12:57:23"

Expected format : "d/m/Y" but Drupal 8 - DateTime supports only "Y-m-d".

I guess, Drupal 8 follow the HTML5 () default date format. Please skip this validation if user provided their own date formats. Please help us to resolve this.

--
Thanks
Vignesh.R

📌 Task

Status

Active

Version

11.0 🔥

Component

Last updated about 2 hours ago

Maintained by
🇺🇸United States @jhedstrom
🇺🇸United States @mpdonadio

Created by

🇮🇳India vickey

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Usability
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It's likely this issue predates Contrib.social: some issue and comment data are missing.

Comment about 1 year ago →
🇦🇺Australia mstrelan
Is this still relevant now that 🐛 Remove sample date from date field error message and title attribute Fixed is in?
Comment about 1 year ago →
🇳🇱Netherlands johnv
Yes, this still is a DX problem.
In the contrib field Office Hours → , maintainer each time struggles with this, whenever there is an issue with the HTML5 setting. For a 'modern' UX element, persons expect the 'ampm' time format to be supported. If this si not the case, this must be perfectly clear. Also, as stated above, the developers machine may not support all OS-version in the field.
Comment about 1 year ago →
🇳🇱Netherlands johnv
To add a note: espacially while: #2811507: Date hour format is hard coded and can't be override →
Comment about 1 year ago →
🇨🇦Canada SKAUGHT
#37
yes, this wider issue is still relevant. Core's date wow's are 'as tough to deal with as ever' as a dev working on client project.
Comment about 1 year ago →
solideogloria
I agree that the datetime UI element needs work and that the am/pm format should be supported by default.

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