The Admin interface is bundled within the SilverStripe Framework but is most commonly used in conjunction with the cms module. The main class for displaying the interface is a specialized Controller called LeftAndMain, named as it is designed around a left hand navigation and a main edit form.

Starting with SilverStripe 4, the user interface logic is transitioned from jQuery and jQuery.entwine, which is replaced with ReactJS. The transition is done iteratively, starting with AssetAdmin and CampaignAdmin.

ModelAdmin
Create admin UI's for managing your data records.
CMS Architecture
An overview of the code architecture of the CMS
Admin Layout
Add interactivity enhancements to the admin with Javascript
Preview
How content previews work in the CMS
WYSIWYG Styles
Add custom CSS properties to the rich-text editor.
Javascript Development
Advanced documentation about writing and customizing javascript within SilverStripe.
React, Redux, and GraphQL
Learn how to extend and customise the technologies we use for application state and client-rendered UI.

How to's

CMS alternating button
Add an "active" and "neutral" state to the CMS buttons
CMS form field help text
Add help text to the form fields in the CMS
Customise the CMS Menu
Make custom changes to the left hand menu in the CMS
Customise the CMS pages list
Customise the CMS tree
Learn how to add custom UI elements to the CMS page navigation
Customising React components
Learn how to use Injector to override React-rendered form fields
Customising React forms
Use Injector to add customisations to React-rendered forms
Customise site reports
Creating your own custom data or content reports.
Extend the CMS interface
Customise the UI of the CMS backend
Extending an existing ModelAdmin
ModelAdmin interfaces that come with the core can be customised easily