Issue #3377621: make "field validation rule" plugin support Constraint API,...

Matthew Grasmickrequested to merge
issue/field_validation-3559906:3559906-ux-overhaul into 8.x-1.x

UX improvements to make field validation more intuitive for non-technical users.

Changes

  1. Inline validation on field configuration forms Validation rules now appear directly on field edit forms Positioned after "Required field" setting to group validation options together

  2. Human-readable constraint labels Clear titles for all constraints (e.g., "At Least (>=)" instead of "GreaterThanOrEqual") Standardized form labels (e.g., "Minimum length", "Too short error") Helpful descriptions for non-technical users

  3. Improved settings page Configure which constraints are available site-wide Category descriptions explaining each validation type

  4. Token support Added "Supports tokens" notes to comparison constraints. Changed numeric fields to textfield to allow token input.

  5. New LineCount constraint Validates minimum/maximum number of lines in text fields.

Testing Module installs without errors on Drupal 11.2 Validation works via entity save (compatible with JSON:API)

Edited by Matthew Grasmick

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