Building custom Tree Tables in ScheduleJS

February 5th, 2026 - 2-3 minutes read

Setting an Externally Configured Tree Table

ScheduleJS offers a dedicated API for designing custom tree tables using two key components:

schedule-info-column-header-cell
schedule-info-column-row-cell

Configuring the Tree Table layout

The tree table layout is purely made with HTML, CSS, and TypeScript using our Angular header cells and row cells components. These components are code wrappers, so you can populate these cells with virtually anything.

Custom components built with the info column API can feature:

Pinned columns, using schedule-info-column-cells-left-pin-wrapper
Communication with the charts using the ScheduleJS internal API
Listening to and emitting any event

Dynamic table headers

Table headers are resizable by default and can be built to directly interact with the graphics. A few examples of header features can be:

Additional column information
Sorting based on column information
Filtering with user input

A frequently asked question

Question: Is it possible to replace the default tree table with a custom component (CoreListComponent) that works like the FlexGanttFX table (bound to list view with row expansion) but with additional functionalities?

Answer: Yes. Using ScheduleJS 1.4, if you want table rows and vertical scrolling synchronized with the graphics, the recommended solution is to build your tree table component using the tree table API with: