Building a metainfo-based editor (#743, #742, #744) is much either with an existing library of different basic quantity editor components. - [x] text fields for strings - [x] autocomplete fields for enums - [x] checkbox/radio button arrays for enums - [x] text fields with unit for numbers - [x] range slider with unit for numbers - [x] date selector, time selector, duration selector - [x] autocomplete selection component to choose referenced data - [ ] a grid component to create horizontal/vertical groups **component to build tables/lists of the above for quantities with non trivial shapes** - [x] fixed length list of numbers - [x] fixed length list of strings - [x] fixed length list of booleans