r - 更改 collapsibleTree 中的颜色

Question

collapsibleTree(
tree_data,
hierarchy = c("Group.priority","Element","Measure_1","Measure_2", "Measure_3", "Measure_4"),
width = 1600,
zoomable = TRUE,
nodeSize = "leafCount"
)

我想将每个因子变量链接 df$Measure_1到特定颜色。我怎样才能做到这一点？

谢谢