From 288e76e7ede2fb0e800f1d8a7e2288c7254fb3db Mon Sep 17 00:00:00 2001
From: Darius Riggins <darius@inkling.com>
Date: Wed, 29 Apr 2015 12:10:09 -0700
Subject: [PATCH] Add HorizontalBarChart chart

---
 example/index.html         |  13 +++
 src/HorizontalBarChart.jsx | 162 +++++++++++++++++++++++++++++++++++++
 src/index.jsx              |   2 +
 3 files changed, 177 insertions(+)
 create mode 100644 src/HorizontalBarChart.jsx

diff --git a/example/index.html b/example/index.html
index 6ea1b64..52d1e81 100644
--- a/example/index.html
+++ b/example/index.html
@@ -12,6 +12,7 @@
   <div id="brush" class="brush"></div>
   <div id="barchart"></div>
   <div id="barchart2"></div>
+  <div id="horizontalbarchart"></div>
   <div id="stackedbarchart"></div>
   <div id="scatterplot"></div>
   <div id="scatterplot2"></div>
@@ -26,6 +27,7 @@
 
   <script type="text/jsx;harmony=true">
 	var BarChart = ReactD3.BarChart;
+	var HorizontalBarChart = ReactD3.HorizontalBarChart;
 	var PieChart = ReactD3.PieChart;
 	var AreaChart = ReactD3.AreaChart;
 	var ScatterPlot = ReactD3.ScatterPlot;
@@ -137,6 +139,17 @@
 	   />,
 	document.getElementById('barchart')
 	);
+
+	React.render(
+	<HorizontalBarChart
+	   data={data}
+	   width={480}
+	   height={400}
+	   margin={{top: 20, bottom: 0, left: 75, right: 25}}
+	   tooltipHtml={tooltip}
+	   />,
+	document.getElementById('horizontalbarchart')
+	);
 /*
 	data = [{
 	customLabel: 'somethingA',
diff --git a/src/HorizontalBarChart.jsx b/src/HorizontalBarChart.jsx
new file mode 100644
index 0000000..84c1c43
--- /dev/null
+++ b/src/HorizontalBarChart.jsx
@@ -0,0 +1,162 @@
+let React = require('react');
+let d3 = require('d3');
+
+let Chart = require('./Chart');
+let Axis = require('./Axis');
+let Bar = require('./Bar');
+let Tooltip = require('./Tooltip');
+
+let DefaultPropsMixin = require('./DefaultPropsMixin');
+let HeightWidthMixin = require('./HeightWidthMixin');
+let ArrayifyMixin = require('./ArrayifyMixin');
+let StackAccessorMixin = require('./StackAccessorMixin');
+let StackDataMixin = require('./StackDataMixin');
+let DefaultScalesMixin = require('./DefaultScalesMixin');
+let TooltipMixin = require('./TooltipMixin');
+
+let DataSet = React.createClass({
+	propTypes: {
+		data: React.PropTypes.array.isRequired,
+		xScale: React.PropTypes.func.isRequired,
+		yScale: React.PropTypes.func.isRequired,
+		colorScale: React.PropTypes.func.isRequired,
+		values: React.PropTypes.func.isRequired,
+		label: React.PropTypes.func.isRequired,
+		x: React.PropTypes.func.isRequired,
+		y: React.PropTypes.func.isRequired,
+		y0: React.PropTypes.func.isRequired
+	},
+
+	render() {
+		let {data,
+			 xScale,
+			 yScale,
+			 colorScale,
+			 values,
+			 label,
+			 x,
+			 y,
+			 y0,
+			 onMouseEnter,
+			 onMouseLeave} = this.props;
+
+		let bars = data.map(stack => {
+			return values(stack).map((e, index) => {
+				return (
+						<Bar
+					key={`${label(stack)}.${index}`}
+					width={yScale(yScale.domain()[0]) - yScale(y(e))}
+					height={xScale.rangeBand()}
+					x={yScale.domain()[0]}
+					y={xScale(x(e))}
+					fill={colorScale(label(stack))}
+					data={e}
+					onMouseEnter={onMouseEnter}
+					onMouseLeave={onMouseLeave}
+						/>
+				);
+			});
+		});
+
+		return (
+				<g>{bars}</g>
+		);
+	}
+});
+
+let HorizontalBarChart = React.createClass({
+	mixins: [DefaultPropsMixin,
+			 HeightWidthMixin,
+			 ArrayifyMixin,
+			 StackAccessorMixin,
+			 StackDataMixin,
+			 DefaultScalesMixin,
+			 TooltipMixin],
+
+	getDefaultProps() {
+		return {};
+	},
+
+	_tooltipHtml(d, position) {
+		return this.props.tooltipHtml(this.props.x(d), this.props.y0(d), this.props.y(d));
+	},
+
+	render() {
+		let {height,
+			 width,
+			 margin,
+			 colorScale,
+			 values,
+			 label,
+			 y,
+			 y0,
+			 x,
+			 xAxis,
+			 yAxis} = this.props;
+
+		let [data,
+			 innerWidth,
+			 innerHeight,
+			 xScale,
+			 yScale] = [this._data,
+						this._innerWidth,
+						this._innerHeight,
+						this._xScale,
+						this._yScale];	
+
+		// Oddly the ticks seem to be reversed, as a temporary workaround just flip
+		// them to show up correctly.
+		let yAxisTicks = yScale
+			.ticks()
+			.reverse();
+
+		let formatter = tick => {
+			return yAxisTicks[tick];
+		};
+
+		return (
+				<div>
+				<Chart height={height} width={width} margin={margin}>
+				<DataSet
+			data={data}
+			xScale={xScale}
+			yScale={yScale}
+			colorScale={colorScale}
+			values={values}
+			label={label}
+			y={y}
+			y0={y0}
+			x={x}
+			onMouseEnter={this.onMouseEnter}
+			onMouseLeave={this.onMouseLeave}
+				/>
+					<Axis
+				className={"y axis"}
+				orientation={"top"}
+				scale={yScale}
+				tickFormat={formatter}
+				height={innerHeight}
+				width={innerWidth}
+				
+					/>
+					<Axis
+				className={"x axis"}
+				orientation={"left"}
+				scale={xScale}
+				height={innerHeight}
+				width={innerWidth}
+				{...xAxis}
+					/>
+				</Chart>
+
+				<Tooltip
+			hidden={this.state.tooltip.hidden}
+			top={this.state.tooltip.top}
+			left={this.state.tooltip.left}
+			html={this.state.tooltip.html}/>
+				</div>
+		);
+	}
+});
+
+module.exports = HorizontalBarChart;
diff --git a/src/index.jsx b/src/index.jsx
index a619e6b..4a8b211 100644
--- a/src/index.jsx
+++ b/src/index.jsx
@@ -1,4 +1,5 @@
 let BarChart = require('./BarChart');
+let HorizontalBarChart = require('./HorizontalBarChart');
 let PieChart = require('./PieChart');
 let ScatterPlot = require('./ScatterPlot');
 let LineChart = require('./LineChart');
@@ -7,6 +8,7 @@ let Brush = require('./Brush');
 
 module.exports = {
 	BarChart: BarChart,
+	HorizontalBarChart: HorizontalBarChart,
 	PieChart: PieChart,
 	ScatterPlot: ScatterPlot,
 	LineChart: LineChart,