Add new post/page: admin notice when JS is off can't install plugin by single click

[bosskhj]

In the block editor add a new post/page showing admin notice when JS is off something like this:

"The block editor requires JavaScript. Please enable JavaScript in your browser settings, or try the Classic Editor plugin."

But it will be easy for everyone if this "Classic Editor" button directly install the plugin from the admin notice when JS is off to add a new post/page.

I have added screenshots for easy-to-understand.

[bosskhj]

Block Editor add new post and page - admin notice when JS is off

[bosskhj]

Block Editor add new post and page - admin notice when JS is off - after clicked Classic Editor plugin

[audrasjb]

Thanks for the ticket and welcome to WordPress Core Trac,

As the block editor is the default way to edit WordPress posts and pages, I'm marking this as low priority.

Concerning a potential patch, I guess the most relevant link would be wp-admin/plugin-install.php?s=classic-editor&tab=search&type=term?

[huzaifaalmesbah]

by using this patch we can solved this issue, also it will show a button for install classic editor and active plugin.

[huzaifaalmesbah]

update coding standards

[sajjad67]

Fixed Few Coding Standards

[sajjad67]

Fixed Few Coding Standards

[sajjad67]

Test Report

This report validates that the indicated patch addresses the issue.

Patch tested: https://core.trac.wordpress.org/attachment/ticket/59229/59229.patch

Environment

• OS: Windows 10 Pro 19045.3448
• Web Server: Apache
• PHP: 8.1.0
• WordPress: 6.4-alpha-56267-src
• Browser: Chrome 116.0.5845.189
• Theme: Twenty Twenty-Three
• Active Plugins:
  • Classic Editor 1.6.3
  • WordPress Beta Tester 3.5.4

Expected behavior: When JavaScript is not enabled in the user browser & user trying to Add A New Post, it should allow the user to install/activate the Classic Editor plugin directly from that page.

Results

• ✅ The patch works perfectly allowing the user to install/activate the Classic Editor plugin directly from that page with single click.

[joedolson]

For consistency, I'm going to take care of this alongside #58738.

Update patch 59229.patch for code standards and text consistency with the block widget messages.

Trac ticket: https://core.trac.wordpress.org/ticket/59229

[joedolson]

In 56672:

Editor: Improve no JS message for block editor.

Show the user a link to install the classic editor if they do not have JavaScript available and the plugin is not already installed.

Props bosskhj, audrasjb, huzaifaalmesbah, sajjad67, joedolson, costdev.
Fixes #59229.

[mukesh27]

@joedolson That new variable should be added in filter block_editor_no_javascript_message? Is that missed?

In changeset 56672 the arge is missing. In this PR it will add that missing args.

Trac ticket: https://core.trac.wordpress.org/ticket/59229

[afercia]

In 56675:

Editor: Add missing parameter to the block_editor_no_javascript_message filter after [56672].
Props mukesh27.

Fixes #59229.

Committed in https://core.trac.wordpress.org/changeset/56675