sevenx_themes_admin_classic: switch between admin3 and the classic fallback #

This page is for administrators with legacy workflows that need the classic server-rendered admin templates. sevenx_themes_admin_classic lets an administrator switch, per session, between:

• the admin3 design alone: AdditionalSiteDesignList is admin3, admin;
• admin3 with the classic admin design as a fallback: AdditionalSiteDesignList is admin3, admin_classic, admin.

SiteDesign stays admin3 in both cases. The extension applies the session value through a kernel override, so global configuration is never changed.

Set it up #

1. Activate the extension: ActiveExtensions[]=sevenx_themes_admin_classic.
2. Allow kernel overrides in config.php:

define( 'EZP_AUTOLOAD_ALLOW_KERNEL_OVERRIDE', true );

3. Generate the kernel override autoloads:

php ./bin/php/ezpgenerateautoloads.php --kernel-override

4. In the admin siteaccess, add the cached view preferences the extension's sub-items controls need (the README gives the exact CachedViewPreferences block).
5. Bind the shared admin siteaccess name in sevenxthemesadminclassic.ini (see below). Keep environment specific values in settings/override, not in the extension's defaults.

Use it #

Click the switch button in the admin toolbar, under the developer controls, directly beneath Clear cache. A module endpoint toggles the mode in the session, and the template cache is cleared after each switch or reset.

In classic mode a window control enables or disables the Sub items display. Paging uses a preference-driven limit (clickable presets, and a custom input with Set for larger lists) instead of a hardcoded low limit.

Settings #

Releases #

Limits #

The release notes (RELEASE_NOTES_v0.2.0.md to RELEASE_NOTES_v0.2.4.md) and the tags go to 0.2.4, but ezinfo.php still states 'Version' => '0.1.0', and extension.xml is in an older format (version="0.1.0" as an attribute, no <metadata>). The about page (/ezinfo/about) therefore shows 0.1.0 whatever release you installed. Read the release from the tag (git describe --tags in the clone) until the metadata is brought in line (see the extension metadata specification).

Related pages #

• admin3: the responsive admin
• Sub items table options
• Chronicle and release notes
• Change ledger
• Behaviour changes of the extensions
• Month: 2026-06 (all extensions)