Method SortSliceAction

tensor/tensorcore/table.go:434–467

SortSliceAction sorts the slice for given field index -- toggles ascending vs. descending if already sorting on this dimension

(fldIndex int)

// SortSliceAction sorts the slice for given field index -- toggles ascending
// vs. descending if already sorting on this dimension
func (tb *Table) SortSliceAction(fldIndex int) {
	sgh := tb.SliceHeader()
	_, idxOff := tb.RowWidgetNs()

	ascending := true

	for fli := 0; fli < tb.NCols; fli++ {
		hdr := sgh.Child(idxOff + fli).(*core.Button)
		hdr.SetType(core.ButtonAction)
		if fli == fldIndex {
			if tb.SortIndex == fli {
				tb.SortDescending = !tb.SortDescending
				ascending = !tb.SortDescending
			} else {
				tb.SortDescending = false
			}
			if ascending {
				hdr.SetIcon(icons.KeyboardArrowUp)
			} else {
				hdr.SetIcon(icons.KeyboardArrowDown)
			}
		} else {
			hdr.SetIcon("none")
		}
	}

	tb.SortIndex = fldIndex
	if fldIndex == -1 {
		tb.Table.SortIndexes()
	} else {
		tb.Table.SortColumn(tb.SortIndex, !tb.SortDescending)
	}
	tb.Update() // requires full update due to sort button icon
}

// TensorDisplayAction allows user to select tensor display options for column
// pass -1 for global params for the entire table