Improve File Tree View

[julia05]

The tree view of Project-Methods-Slices needs UI improvement.

There are a few fitting custom components from streamlit contributes. They need to be evaluated whats the best fit for this use case.

Promising Components:

• https://github.com/Schluca/streamlit_tree_select

  • checkbox tree select
  • only multi select possible
  • there exist a Issue with a code suggestion for single node selection: Feature Requests: 1. Configurable single node selection, 2. Use an id property to distinguish nodes (user-supplied or generated silently) Schluca/streamlit_tree_select#1 (comment)

• https://github.com/gabriel-msilva/streamlit-arborist

  • file select from a dataframe input
  • this repository is only 2 weeks old/pretty new