[1.0.0-beta2] Layout plugins support

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Created on 21 June 2025, 3 months ago

Problem/Motivation

We are not supporting Layout plugins and dealing directly with SDC. This is compliant with the goal of Display Builder to be "design system" native.

However:

some teams may want to use their already existing layout plugins from core, contrib or custom.
if we do a migration mechanism from Layout Builder, we will need to support them

Proposed resolution

Add a LayoutSource plugin for slots. I would prefer to add it in display_builder and not ui_patterns, but that's open to discussion. This source will implement the upcoming SourcesBundlerInterface ( 📌 [1.0.0-alpha2] Remove ui_patterns_overrides Active )
Filter available layout plugins by removing the ones provided by ui_patterns, to avoid duplicates
Add the flattened source (each layout must be a draggable) in ComponentLibraryPanel

✨ Feature request

Status

Active

Version

1.0

Component

Main / Misc.

Created by

🇫🇷France pdureau Paris

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Comments & Activities

Issue created by @pdureau
Comment 3 months ago →
🇫🇷France pdureau Paris
Comment 3 months ago →
🇫🇷France pdureau Paris
Comment 2 months ago →
🇫🇷France mogtofu33
Comment 15 days ago →
🇫🇷France pdureau Paris
During the work on ✨ [1.0.0-beta2] Migration from Layout Builder Active we tried to import Layout plugins as SDC:

using hook_component_info_alter (forbidden by SDC but restored by UI Patterns) but any try to call an other plugin manager from this hook caused a PHP memory lilmit

adding a second discovery mechanism but Core's ComponentPluginManager::getDiscovery(): DirectoryWithMetadataPluginDiscovery is making the addition of another discovery difficult
Comment 12 days ago →
🇫🇷France pdureau Paris

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