Make Polylang's post language select field disabled when the post has translations.
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composer.json
polylang-smart-language-select-disabler.php
readme.md

readme.md

Polylang Add-on: Smart Language Select Disabler

Contributors: Teemu Suoranta

Tags: Polylang, Admin, Language Select, WordPress

License: GPLv2 or later

polylang-smart-disable-language-select

Why this plugin exists?

Changing post's or term's language when it has translations messes things up

Basically the translations are unlinked and there is no warning for this. You may need to change post's language for example when you start to write a new post and notice that it's in wrong language. When translations are involved, there's really no use for changing the language.

Users confuse adding translations and changing post's language

I've seen that users have multiple times changed post's language when they meant to navigate to translation. Smartly disabling the select enhances the UI.

Changing the posts language is risky business anyway

Changing the language of post when it has content is prone to errors. Even though the language can be changed, the images added to content may still be in wrong language. Custom fields, relations etc are not automatically changed. Language should be changed right away before adding content.

What it does?

  • Checks if currently edited post or term has translations
  • If it has, hides select and shows the name of current language with CSS and vanilla JS

Installation

Download and activate. That's it. You will need Polylang, too (d'oh).

Composer:

$ composer require aucor/polylang-smart-language-select-disabler

With composer.json:

{
  "require": {
    "aucor/polylang-smart-language-select-disabler": "*"
  },
  "extra": {
    "installer-paths": {
      "htdocs/wp-content/plugins/{$name}/": ["type:wordpress-plugin"]
    }
  }
}

Filters

You can disable select always or build some fancy custom logic:

function my_polylang_disable_language_select($disable_select, $current_screen) {
	return true;
}
add_filter('polylang-disable-language-select', 'my_polylang_disable_language_select', 10, 2);

Issues

  • No disabling for media (to-do)

Releases

1.0.2 Remove create_function usage and include license

1.0.1 Add changes that dropped somewhere along the way

Added some missing stuff because some changes dropped in 1.0.0 (facepalm)

1.0.0 Disable functionality rewritten

The HTML attribute "disabled" caused many problems. The disabling was changed so that the select is hidden with CSS and in its place, plain paragraph with current language is displayed.

0.1.1 Fix bug when adding a new term translation

Disabling the language select messes up creating new term translation. The translation wasn't linked to the original term because of the disabled attribute. Tried to remove the disabled attribute on submit but couldn't get it work for some reason with WordPress admin form. Removed the disabling for now on that view.

0.1.0 Initial release