Classic UI

This chapter is a developer reference manual for working with Classic UI.

See also

Plone has two user interfaces, Volto and Classic UI. To understand their differences, see Choose a user interface.

• Cross-site request forgery (CSRF)
  • Auto protection
  • Manual protection
  • How to add a CSRF token to a link or form
  • How to allow writes in absence of a protecting token
  • Further reading
• Forms
  • General forms
  • Controlling form presentation
  • Dexterity add and edit forms
• Icons
  • Bootstrap Icons
  • Registration
  • Contextual Icons
  • Icon expression
  • Icon resolver
• Image handling
  • Default scales
  • Image resolving by URI
  • Image tag
  • Image scaling without tag creation
  • Scaling mode
  • Permissions
  • Responsive image support
  • Image scales from catalog brain
• Layers
  • Using layers
  • Creating a layer
  • Troubleshooting instructions for layers
  • Checking active layers
  • Testing layers
• Module Federation in Mockup
  • Use Module Federation
  • Special case: global modules jQuery and Bootstrap
• Mockup and Patternslib
  • Get started
  • Create a custom pattern
  • References
• Portlets
  • Adding a portlet to a page
  • Writing a custom Portlet
• Recipes
  • Add custom classes to the body element
• Static resources
  • Registering JavaScript and CSS
  • Available attributes
  • Loading order of resources
• Template global variables
  • portal_url
  • checkPermission
• Templates
• Theming of Classic UI
  • Classic UI theming based on Barceloneta
  • Classic UI theming with Diazo
  • Classic UI theming from scratch
  • Through-the-web (TTW) theme customization
  • Color modes
• Viewlets
  • What viewlets do
  • Finding viewlets
  • Managing viewlets
  • Custom viewlet
  • Viewlet manager
  • Advanced
• Views
  • Create and register a view
  • Customize views
  • Override a view class
  • Guided information
  • Anatomy of a view
  • Helper views
  • Reuse view template snippets (macros) or embed another view
  • Access a view instance in code
  • Advanced
  • Zope ViewPageTemplateFile versus Five ViewPageTemplateFile
• What's new in Plone 6 Classic UI