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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,33 @@ | ||
| // | ||
| // MiniBarChart.swift | ||
| // react-native-simple-grid | ||
| // | ||
| // Created by Vittorio Cellucci on 2022-08-03. | ||
| // | ||
|
|
||
| import Foundation | ||
| class MiniBarChart : MiniChartRenderer { | ||
|
|
||
| override func render(_ ctx: CGContext, rect: CGRect) { | ||
| guard let data = data else {return} | ||
| guard let rows = data.qMatrix else {return} | ||
| if (rect.size.height == 0) {return} | ||
| ctx.clear(rect) | ||
| getBandWidth(rect: rect, data: data) | ||
| getScale(rect:rect, data:data) | ||
| var x = padding + horizontalPadding / 2; | ||
| var index = 0 | ||
| for row in rows { | ||
| mainColor.set() | ||
| let value = row[1].qNum ?? 1.0 | ||
| let height = value * scale; | ||
| let y = rect.height - height - verticalPadding / 2 | ||
| let rect = CGRect(x: x, y: y, width: bandWidth, height:height) | ||
| setColor(index, value: value, count: rows.count) | ||
| ctx.fill(rect) | ||
| x += padding * 2 + bandWidth | ||
| index += 1 | ||
| } | ||
| } | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| // | ||
| // MiniChart.swift | ||
| // react-native-simple-grid | ||
| // | ||
| // Created by Vittorio Cellucci on 2022-08-03. | ||
| // | ||
|
|
||
| import Foundation | ||
| class MiniChartRenderer { | ||
| var data: Matrix? | ||
| var representation: Representation? | ||
| var firstColor = UIColor.systemBlue | ||
| var lastColor = UIColor.systemBlue | ||
| var mainColor = UIColor.systemBlue | ||
| var positiveColor = UIColor.systemBlue | ||
| var negativeColor = UIColor.systemBlue | ||
| var maxColor = UIColor.systemBlue | ||
| var minColor = UIColor.systemBlue | ||
| var bandWidth = 0.0 | ||
| var padding = 0.0 | ||
| var maxValue = Double.infinity | ||
| var minValue = -Double.infinity | ||
| var globalMaxValue = Double.infinity | ||
| var globalMinValue = -Double.infinity | ||
| var yScale = Double.infinity | ||
| var scale = 0.0 | ||
| var verticalPadding = 0.0 | ||
| var horizontalPadding = 0.0 | ||
| var showDots = false | ||
|
|
||
| init() { | ||
|
|
||
| } | ||
|
|
||
| init(rep: Representation) { | ||
| self.representation = rep | ||
| mainColor = ColorParser().fromCSS(cssString: rep.miniChart?.colors?.main?.color ?? "black") | ||
| firstColor = ColorParser().fromCSS(cssString: rep.miniChart?.colors?.first?.color ?? "black") | ||
| lastColor = ColorParser().fromCSS(cssString: rep.miniChart?.colors?.last?.color ?? "black") | ||
| positiveColor = ColorParser().fromCSS(cssString: rep.miniChart?.colors?.positive?.color ?? "black") | ||
| negativeColor = ColorParser().fromCSS(cssString: rep.miniChart?.colors?.negative?.color ?? "black") | ||
| maxColor = ColorParser().fromCSS(cssString: rep.miniChart?.colors?.max?.color ?? "black") | ||
| minColor = ColorParser().fromCSS(cssString: rep.miniChart?.colors?.min?.color ?? "black") | ||
| showDots = rep.miniChart?.showDots ?? false | ||
| } | ||
|
|
||
| func setColor(_ index: Int, value: Double, count: Int) { | ||
| if(value == maxValue && maxColor != .clear) { | ||
| maxColor.set() | ||
| return | ||
| } | ||
|
|
||
| if(value == minValue && minColor != .clear) { | ||
| minColor.set() | ||
| return | ||
| } | ||
|
|
||
| if(index == 0 && firstColor != .clear) { | ||
| firstColor.set() | ||
| return | ||
| } | ||
|
|
||
| if(index == count - 1 && lastColor != .clear) { | ||
| lastColor.set() | ||
| return; | ||
| } | ||
|
|
||
| mainColor.set() | ||
| } | ||
|
|
||
| func getBandWidth(rect: CGRect, data: Matrix) { | ||
| let count = data.qMatrix?.count ?? 1 | ||
| horizontalPadding = rect.width * 0.05; | ||
| let width = rect.width * 0.95; | ||
| let totalBandWidth = width / CGFloat(count) | ||
| bandWidth = totalBandWidth * 0.8 | ||
| padding = totalBandWidth * 0.1 | ||
| } | ||
|
|
||
| func getScale(rect: CGRect, data: Matrix) { | ||
| let height = rect.height - 8; | ||
| verticalPadding = 8 | ||
| scale = height / yScale | ||
| } | ||
|
|
||
| func render(_ ctx: CGContext, rect: CGRect){} | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| // | ||
| // MiniChartView.swift | ||
| // react-native-simple-grid | ||
| // | ||
| // Created by Vittorio Cellucci on 2022-08-03. | ||
| // | ||
|
|
||
| import Foundation | ||
| import QuartzCore | ||
|
|
||
| class MiniChartView : UIView { | ||
| var miniChart = MiniChartRenderer() | ||
|
|
||
| func setChartData(data: DataCell, representedAs rep: Representation) { | ||
| self.backgroundColor = UIColor.clear | ||
| self.layer.contentsScale = UIScreen.main.scale | ||
| if rep.miniChart?.type == "bars" { | ||
| miniChart = MiniBarChart(rep: rep) | ||
| } else if(rep.miniChart?.type == "sparkline") { | ||
| miniChart = MiniSparkLineChart(rep: rep) | ||
| } else if(rep.miniChart?.type == "dots") { | ||
| miniChart = MiniDotGraph(rep: rep) | ||
| } else if(rep.miniChart?.type == "posNeg") { | ||
| miniChart = PositiveNegativeChart(rep: rep) | ||
| } | ||
| miniChart.data = data.qMiniChart | ||
| miniChart.maxValue = miniChart.data?.qMax ?? Double.infinity | ||
| miniChart.minValue = miniChart.data?.qMin ?? -Double.infinity | ||
| miniChart.globalMaxValue = rep.globalMax ?? Double.infinity | ||
| miniChart.globalMinValue = rep.globalMin ?? -Double.infinity | ||
| miniChart.yScale = miniChart.maxValue | ||
| if(rep.miniChart?.yAxis?.scale == "global") { | ||
| miniChart.yScale = miniChart.globalMaxValue | ||
| } | ||
| } | ||
|
|
||
| override func draw(_ rect: CGRect) { | ||
| guard let ctx = UIGraphicsGetCurrentContext() else { return } | ||
| miniChart.render(ctx, rect: rect) | ||
| } | ||
| } |
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