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annotate Sources/StockCharts/LineChart/Helpers/ChartLabel.swift @ 103:766a1169564b

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Add WatchOS compatability
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Sun, 27 Jun 2021 16:32:23 +0200
parents ffc7731f7206
children 0c0d38dca6d8
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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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15 @Binding var indexPosition: Int // Data point position
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17 public var body: some View {
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18 HStack {
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19 Group {
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20 if let dates = self.dates {
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21 let date = formatStringDate(dates[indexPosition])
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22 Text(date)
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23 .opacity(0.5)
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24 }
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25 if let hours = self.hours {
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26 let hour = hours[indexPosition]
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27 Text(hour)
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28 .opacity(0.5)
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29 }
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30
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31 #if os(iOS)
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32 Text("\(data[indexPosition], specifier: "%.2f")")
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33 .foregroundColor(Color(.systemBlue))
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35 #elseif os(watchOS)
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36 Text("\(data[indexPosition], specifier: "%.2f")")
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37 .foregroundColor(Color(.blue))
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38 #endif
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40 }
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41 .font(.caption)
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42 }
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43 }
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45 /*
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46 Take string in format yy-MM-dd (2021-01-01) and transform it
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47 to long default string format
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48 */
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49 public func formatStringDate(_ stringDate: String) -> String {
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50 let dateFormatter = DateFormatter()
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51 dateFormatter.dateFormat = "yy-MM-dd"
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52 let date = dateFormatter.date(from: stringDate)
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54 // Format date to the final format
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55 dateFormatter.dateStyle = .long
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56 let finalDate = dateFormatter.string(from: date!)
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57
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58 return finalDate
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59 }
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60 }