update usage of discrete_values! (#499)

Author: BeastyBlacksmith

Project.toml

@@ -32,7 +32,7 @@ Interpolations = "0.12, 0.13"
 KernelDensity = "0.5, 0.6"
 MultivariateStats = "0.9"
 Observables = "0.2.2, 0.3, 0.4, 0.5"
-Plots = "0.28, 0.29, 1.0"
+Plots = "1.29"
 RecipesBase = "0.6, 0.7, 0.8, 1"
 RecipesPipeline = "0.1.6, 0.2, 0.3, 0.4, 0.5"
 Reexport = "0.2, 1.0"

src/boxplot.jl

@@ -50,7 +50,7 @@ notch_width(q2, q4, N) = 1.58 * (q4-q2)/sqrt(N)
         end
 
         # make the shape
-        center = Plots.discrete_value!(plotattributes[:subplot][:xaxis], glabel)[1]
+        center = Plots.discrete_value!(plotattributes, :x, glabel)[1]
         hw = 0.5_cycle(bw, i) # Box width
         HW = 0.5_cycle(ww, i) # Whisker width
         l, m, r = center - hw, center, center + hw

src/dotplot.jl

@@ -29,7 +29,7 @@
         # filter y
         groupy = y[filter(i -> _cycle(x,i) == grouplabel, 1:length(y))]
 
-        center = Plots.discrete_value!(plotattributes[:subplot][:xaxis], grouplabel)[1]
+        center = Plots.discrete_value!(plotattributes, :x, grouplabel)[1]
         halfwidth = 0.5_cycle(barwidth, i)
 
         offsets = getoffsets(halfwidth, groupy)

src/violin.jl

@@ -47,7 +47,7 @@ get_quantiles(n::Int) = range(0, 1, length = n + 2)[2:end-1]
         widths = hw * widths / Plots.ignorenan_maximum(widths)
 
         # make the violin
-        xcenter = Plots.discrete_value!(plotattributes[:subplot][:xaxis], glabel)[1]
+        xcenter = Plots.discrete_value!(plotattributes, :x, glabel)[1]
         xcoords = if (side==:right)
             vcat(widths, zeros(length(widths))) .+ xcenter
         elseif (side==:left)