From e25fd5e37cbfe62fe5d7ff6adf108b800b205662 Mon Sep 17 00:00:00 2001
From: Nick Downie <hello@nickdownie.com>
Date: Tue, 8 Jul 2014 22:27:39 +0100
Subject: [PATCH] Create null value bars, and hide if not numeric

---
 src/Chart.Bar.js | 62 +++++++++++++++++++++++-------------------------
 1 file changed, 30 insertions(+), 32 deletions(-)

diff --git a/src/Chart.Bar.js b/src/Chart.Bar.js
index aca50d82f..0f29a3df5 100644
--- a/src/Chart.Bar.js
+++ b/src/Chart.Bar.js
@@ -104,18 +104,16 @@
 				this.datasets.push(datasetObject);
 
 				helpers.each(dataset.data,function(dataPoint,index){
-					if (helpers.isNumber(dataPoint)){
-						//Add a new point for each piece of data, passing any required data to draw.
-						datasetObject.bars.push(new this.BarClass({
-							value : dataPoint,
-							label : data.labels[index],
-							datasetLabel: dataset.label,
-							strokeColor : dataset.strokeColor,
-							fillColor : dataset.fillColor,
-							highlightFill : dataset.highlightFill || dataset.fillColor,
-							highlightStroke : dataset.highlightStroke || dataset.strokeColor
-						}));
-					}
+					//Add a new point for each piece of data, passing any required data to draw.
+					datasetObject.bars.push(new this.BarClass({
+						value : dataPoint,
+						label : data.labels[index],
+						datasetLabel: dataset.label,
+						strokeColor : dataset.strokeColor,
+						fillColor : dataset.fillColor,
+						highlightFill : dataset.highlightFill || dataset.fillColor,
+						highlightStroke : dataset.highlightStroke || dataset.strokeColor
+					}));
 				},this);
 
 			},this);
@@ -230,19 +228,17 @@
 		addData : function(valuesArray,label){
 			//Map the values array for each of the datasets
 			helpers.each(valuesArray,function(value,datasetIndex){
-					if (helpers.isNumber(value)){
-						//Add a new point for each piece of data, passing any required data to draw.
-						this.datasets[datasetIndex].bars.push(new this.BarClass({
-							value : value,
-							label : label,
-							x: this.scale.calculateBarX(this.datasets.length, datasetIndex, this.scale.valuesCount+1),
-							y: this.scale.endPoint,
-							width : this.scale.calculateBarWidth(this.datasets.length),
-							base : this.scale.endPoint,
-							strokeColor : this.datasets[datasetIndex].strokeColor,
-							fillColor : this.datasets[datasetIndex].fillColor
-						}));
-					}
+				//Add a new point for each piece of data, passing any required data to draw.
+				this.datasets[datasetIndex].bars.push(new this.BarClass({
+					value : value,
+					label : label,
+					x: this.scale.calculateBarX(this.datasets.length, datasetIndex, this.scale.valuesCount+1),
+					y: this.scale.endPoint,
+					width : this.scale.calculateBarWidth(this.datasets.length),
+					base : this.scale.endPoint,
+					strokeColor : this.datasets[datasetIndex].strokeColor,
+					fillColor : this.datasets[datasetIndex].fillColor
+				}));
 			},this);
 
 			this.scale.addXLabel(label);
@@ -279,13 +275,15 @@
 			//Draw all the bars for each dataset
 			helpers.each(this.datasets,function(dataset,datasetIndex){
 				helpers.each(dataset.bars,function(bar,index){
-					bar.base = this.scale.endPoint;
-					//Transition then draw
-					bar.transition({
-						x : this.scale.calculateBarX(this.datasets.length, datasetIndex, index),
-						y : this.scale.calculateY(bar.value),
-						width : this.scale.calculateBarWidth(this.datasets.length)
-					}, easingDecimal).draw();
+					if (helpers.isNumber(bar.value)){
+						bar.base = this.scale.endPoint;
+						//Transition then draw
+						bar.transition({
+							x : this.scale.calculateBarX(this.datasets.length, datasetIndex, index),
+							y : this.scale.calculateY(bar.value),
+							width : this.scale.calculateBarWidth(this.datasets.length)
+						}, easingDecimal).draw();
+					}
 				},this);
 
 			},this);
-- 
2.47.3