#69: adding a way to color individual bars (rather than the whole series as it is done right now). Leaving the previous behavior as the default.

nv.d3.js

@@ -6108,6 +6108,7 @@ nv.models.multiBarHorizontal = function() {
     , getY = function(d) { return d.y }
     , forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
     , color = nv.utils.defaultColor()
+    , barColor = null // adding the ability to set the color for each rather than the whole group
     , stacked = false
     , showValues = false
     , valuePadding = 60
@@ -6300,9 +6301,11 @@ nv.models.multiBarHorizontal = function() {
 
       bars
           .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
-          //.attr('transform', function(d,i,j) {
-              //return 'translate(' + y0(stacked ? d.y0 : 0) + ',' + x(getX(d,i)) + ')'
-          //})
+
+      if (barColor) {
+        bars.style('fill', barColor).style('stroke', barColor);
+      }
+
       if (stacked)
         d3.transition(bars)
             //.delay(function(d,i) { return i * delay / data[0].values.length })
@@ -6426,6 +6429,12 @@ nv.models.multiBarHorizontal = function() {
     return chart;
   };
 
+  chart.barColor = function(_) {
+    if (!arguments.length) return barColor;
+    barColor = nv.utils.getColor(_);
+    return chart;
+  };
+
   chart.id = function(_) {
     if (!arguments.length) return id;
     id = _;

src/models/multiBarHorizontal.js

@@ -15,6 +15,7 @@ nv.models.multiBarHorizontal = function() {
     , getY = function(d) { return d.y }
     , forceY = [0] // 0 is forced by default.. this makes sense for the majority of bar graphs... user can always do chart.forceY([]) to remove
     , color = nv.utils.defaultColor()
+    , barColor = null // adding the ability to set the color for each rather than the whole group
     , stacked = false
     , showValues = false
     , valuePadding = 60
@@ -207,9 +208,11 @@ nv.models.multiBarHorizontal = function() {
 
       bars
           .attr('class', function(d,i) { return getY(d,i) < 0 ? 'nv-bar negative' : 'nv-bar positive'})
-          //.attr('transform', function(d,i,j) {
-              //return 'translate(' + y0(stacked ? d.y0 : 0) + ',' + x(getX(d,i)) + ')'
-          //})
+
+      if (barColor) {
+        bars.style('fill', barColor).style('stroke', barColor);
+      }
+
       if (stacked)
         d3.transition(bars)
             //.delay(function(d,i) { return i * delay / data[0].values.length })
@@ -333,6 +336,12 @@ nv.models.multiBarHorizontal = function() {
     return chart;
   };
 
+  chart.barColor = function(_) {
+    if (!arguments.length) return barColor;
+    barColor = nv.utils.getColor(_);
+    return chart;
+  };
+
   chart.id = function(_) {
     if (!arguments.length) return id;
     id = _;