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annotate Sources/StockCharts/LineChart/Helpers/ChartLabel.swift @ 108:f53d8b9ca92b

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Custom style implemented
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Sun, 04 Jul 2021 16:40:24 +0100
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children 5057c45046c1
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1 //
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2 // ChartLabel.swift
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3 // StockCharts
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4 //
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5 // Created by Dennis Concepción Martín on 30/4/21.
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6 //
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7
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8 import SwiftUI
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10 public struct ChartLabel: View {
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11 public var data: [Double]
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12 public var dates: [String]?
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13 public var hours: [String]?
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14 public var style: LineChartStyle
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16 @Binding var indexPosition: Int // Data point position
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18 public var body: some View {
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19 HStack {
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20 Group {
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21 if let dates = self.dates {
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22 let date = formatStringDate(dates[indexPosition])
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23 Text(date)
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24 .opacity(0.5)
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25 }
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26 if let hours = self.hours {
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27 let hour = hours[indexPosition]
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28 Text(hour)
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29 .opacity(0.5)
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30 }
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32 Text("\(data[indexPosition], specifier: "%.2f")")
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33 .foregroundColor(style.labelColor)
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35 }
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36 .font(.caption)
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37 }
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38 }
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40 /*
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41 Take string in format yy-MM-dd (2021-01-01) and transform it
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42 to long default string format
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43 */
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44 public func formatStringDate(_ stringDate: String) -> String {
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45 let dateFormatter = DateFormatter()
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46 dateFormatter.dateFormat = "yy-MM-dd"
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47 let date = dateFormatter.date(from: stringDate)
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49 // Format date to the final format
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50 dateFormatter.dateStyle = .long
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51 let finalDate = dateFormatter.string(from: date!)
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52
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53 return finalDate
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54 }
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55 }