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August 29, 2015 14:17
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Save steckel/22abb041c3dcd1569a66 to your computer and use it in GitHub Desktop.
Swift playgrounds inspired by http://bost.ocks.org/mike/bar/2/
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style> | |
| .chart rect { | |
| fill: steelblue; | |
| } | |
| .chart text { | |
| fill: white; | |
| font: 10px sans-serif; | |
| text-anchor: end; | |
| } | |
| </style> | |
| <svg class="chart"></svg> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script> | |
| var data = [4, 8, 15, 16, 23, 42]; | |
| var width = 420, | |
| barHeight = 20; | |
| var x = d3.scale.linear() | |
| .domain([0, d3.max(data)]) | |
| .range([0, width]); | |
| var chart = d3.select(".chart") | |
| .attr("width", width) | |
| .attr("height", barHeight * data.length); | |
| var bar = chart.selectAll("g") | |
| .data(data) | |
| .enter().append("g") | |
| .attr("transform", function(d, i) { return "translate(0," + i * barHeight + ")"; }); | |
| bar.append("rect") | |
| .attr("width", x) | |
| .attr("height", barHeight - 1); | |
| bar.append("text") | |
| .attr("x", function(d) { return x(d) - 3; }) | |
| .attr("y", barHeight / 2) | |
| .attr("dy", ".35em") | |
| .text(function(d) { return d; }); | |
| </script> |
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| import UIKit | |
| let data = [4, 8, 15, 16, 23, 42] | |
| let barHeight : CGFloat = 20.0 | |
| let chartWidth : CGFloat = 420.0 | |
| let chartHeight : CGFloat = barHeight * CGFloat(data.count) | |
| let maxValue : Int = data.reduce(0, { max($0, $1) }) | |
| func domain(datum: Int) -> CGFloat { | |
| let multiplier = chartWidth / CGFloat(maxValue) | |
| return CGFloat(datum) * multiplier | |
| } | |
| let chartFrame = CGRectMake(0, 0, chartWidth, chartHeight) | |
| var chart = UIView(frame: chartFrame) | |
| var groups : Array<UIView> = Array() | |
| for (index, datum) in enumerate(data) { | |
| var width : CGFloat = domain(datum) | |
| let barFrame = CGRectMake(0, barHeight * CGFloat(index), width, barHeight) | |
| let group = UIView(frame: barFrame) | |
| chart.addSubview(group) | |
| groups.append(group) | |
| } | |
| for (index, datum) in enumerate(data) { | |
| var group : UIView = groups[index] | |
| var width : CGFloat = domain(datum) | |
| var frame = CGRectMake(0,0, width, CGRectGetHeight(group.frame) - 1) | |
| let rect = UIView(frame: frame) | |
| rect.backgroundColor = UIColor( | |
| red: 67/256, | |
| green: 129/256, | |
| blue: 182/256, | |
| alpha: 1.0 | |
| ) | |
| group.addSubview(rect) | |
| } | |
| for (index, datum) in enumerate(data) { | |
| var group : UIView = groups[index] | |
| var label = UILabel() | |
| label.text = String(datum) | |
| label.font = UIFont.systemFontOfSize(12.0) | |
| label.textAlignment = NSTextAlignment.Right | |
| label.textColor = UIColor.whiteColor() | |
| label.sizeToFit() | |
| label.frame = CGRectMake( | |
| CGRectGetMaxX(group.frame) - CGRectGetWidth(label.frame) - 3, | |
| 0, | |
| CGRectGetWidth(label.frame), | |
| CGRectGetHeight(group.frame) | |
| ) | |
| group.addSubview(label) | |
| } | |
| chart |
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| import UIKit | |
| let data = [4, 8, 15, 16, 23, 42] | |
| let barHeight = 20 | |
| let chartWidth = 420 | |
| let chartHeight = barHeight * data.count | |
| let maxValue = data.reduce(0, combine: {max($0, $1)}) | |
| let frame = CGRect(x: 0, y: 0, width: 500, height: chartHeight) | |
| let chart = UIView(frame: frame) | |
| let groups = (0..<data.count).map { | |
| (i: Int) -> UIView in | |
| let frame = CGRect( | |
| x: 0, | |
| y: i * barHeight, | |
| width: chartWidth, | |
| height: barHeight | |
| ) | |
| let group = UIView(frame: frame) | |
| chart.addSubview(group) | |
| return group | |
| } | |
| let bars = (0..<groups.count).map { | |
| (i: Int) -> UIView in | |
| let group = groups[i] | |
| let datum = data[i] | |
| let frame = CGRect( | |
| x: 0, | |
| y: 0, | |
| width: (chartWidth / maxValue) * datum, | |
| height: barHeight - 1 | |
| ) | |
| let bar = UIView(frame:frame) | |
| bar.backgroundColor = UIColor( | |
| red: 67/256, | |
| green: 129/256, | |
| blue: 182/256, | |
| alpha: 1.0 | |
| ) | |
| group.addSubview(bar) | |
| return bar; | |
| } | |
| let labels = (0..<bars.count).map { | |
| (i: Int) -> UIView in | |
| let bar = bars[i] | |
| let datum = data[i] | |
| let label = UILabel() | |
| label.text = "\(datum)" | |
| label.font = UIFont.systemFontOfSize(12) | |
| label.textColor = UIColor.whiteColor() | |
| label.sizeToFit() | |
| let y = (CGRectGetHeight(bar.frame) - CGRectGetHeight(label.frame)) / 2 | |
| label.frame = CGRect( | |
| x: CGRectGetMaxX(bar.frame) - CGRectGetWidth(label.frame) - 5, | |
| y: y, | |
| width: CGRectGetWidth(label.frame), | |
| height: CGRectGetHeight(label.frame) | |
| ) | |
| bar.addSubview(label) | |
| return label; | |
| } | |
| chart |
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