Fix colorbar position for heatmaps in tiledLayout

Author: robertoffmoura

plotly/Test_plotlyfig.m

@@ -1131,7 +1131,7 @@ function testStackedBarData(tc)
         end
 
         function testHeatmapData(tc)
-            fig = figure("Visible","off");
+            fig = figure(Visible="off");
             data = magic(5);
             heatmap(data);
 
@@ -1154,17 +1154,23 @@ function testHeatmapData(tc)
                 ), ...
                 showscale = true, ...
                 colorbar = struct( ...
-                    x = 0.87, ...
-                    y = 0.52, ...
-                    ypad = 55, ...
-                    xpad = 0, ...
+                    x = fig.Children.Position(1) + fig.Children.Position(3), ...
+                    y = fig.Children.Position(2), ...
+                    xanchor = "left", ...
+                    yanchor = "bottom", ...
+                    thicknessmode = "fraction", ...
+                    thickness = fig.Children.Position(3)/10, ...
+                    lenmode = "fraction", ...
+                    len = fig.Children.Position(4), ...
+                    ypad = 0, ...
+                    xpad = 10, ...
                     outlinecolor = "rgb(150,150,150)" ...
                 ), ...
                 visible = true, ...
                 opacity = 0.9500, ...
                 showlegend = false, ...
                 name = "" ...
-            ));
+            ), AbsTol=1e-15);
         end
 
         function testErrorbarData(tc)
@@ -2457,7 +2463,7 @@ function testTiledLayoutHeatmap(tc)
             p = plotlyfig(fig,"visible","off");
 
             tc.verifyNumElements(p.data, 4);
-            tc.verifyEqual(rmfield(p.data{1}, "colorscale"), struct( ...
+            tc.verifyEqual(rmfield(p.data{1}, ["colorscale" "colorbar"]), struct( ...
                 xaxis = "x1", ...
                 yaxis = "y1", ...
                 type = "heatmap", ...
@@ -2472,18 +2478,22 @@ function testTiledLayoutHeatmap(tc)
                     bgcolor = "white" ...
                 ), ...
                 showscale = true, ...
-                colorbar = struct( ...
-                    x = 0.87, ...
-                    y = 0.52, ...
-                    ypad = 55, ...
-                    xpad = 0, ...
-                    outlinecolor = "rgb(150,150,150)" ...
-                ), ...
                 visible = true, ...
                 opacity = 0.9500, ...
                 showlegend = false, ...
                 name = "" ...
-            ));
+            ), AbsTol=1e-15);
+            tc.verifyEqual(rmfield(p.data{1}.colorbar, ["thickness" "x"]), struct( ...
+                y = fig.Children.Children(4).Position(2), ...
+                xanchor = "left", ...
+                yanchor = "bottom", ...
+                thicknessmode = "fraction", ...
+                lenmode = "fraction", ...
+                len = fig.Children.Children(4).Position(4), ...
+                ypad = 0, ...
+                xpad = 10, ...
+                outlinecolor = "rgb(150,150,150)" ...
+            ), AbsTol=1e-15);
         end
 
         function testGroupedBarPlotData(tc)

plotly/plotlyfig_aux/handlegraphics/updateHeatmap.m

@@ -30,12 +30,20 @@
 
     data.showscale = false;
     if lower(heat_data.ColorbarVisible) == "on"
+        xaxis = obj.layout.("xaxis" + xSource);
+        yaxis = obj.layout.("yaxis" + ySource);
         data.showscale = true;
         data.colorbar = struct( ...
-            "x", 0.87, ...
-            "y", 0.52, ...
-            "ypad", 55, ...
-            "xpad", obj.PlotlyDefaults.MarginPad, ...
+            "x", xaxis.domain(2), ...
+            "y", yaxis.domain(1), ...
+            "xanchor", "left", ...
+            "yanchor", "bottom", ...
+            "thicknessmode", "fraction", ...
+            "thickness", rangeLength(xaxis.domain)/10, ...
+            "lenmode", "fraction", ...
+            "len", rangeLength(yaxis.domain), ...
+            "ypad", obj.PlotlyDefaults.MarginPad, ...
+            "xpad", 10, ...
             "outlinecolor", "rgb(150,150,150)" ...
         );
     end