Added currency identifier for more flexibility

Sources/CheesyChart/Extensions/Double+Extensions.swift

@@ -14,10 +14,11 @@ extension Double {
     /// ```
     ///   Convert 1234.56 to $1,234.56
     /// ```
-    private var currencyFormatter: NumberFormatter {
+    private func currencyFormatter(currencyIdentifier: String) -> NumberFormatter {
         let formatter = NumberFormatter()
         formatter.usesGroupingSeparator = true
         formatter.numberStyle = .currency
+        formatter.locale = Locale(identifier: currencyIdentifier)
         formatter.minimumFractionDigits = 2
         formatter.maximumFractionDigits = 2
         return formatter
@@ -27,9 +28,9 @@ extension Double {
     /// ```
     ///   Convert 1234.56 to "$1,234.56"
     /// ```
-    func asCurrencyWithTwoDecimals() -> String {
+    func asCurrencyWithTwoDecimals(currencyIdentifier: String) -> String {
         let number = NSNumber(value: self)
-        return currencyFormatter.string(from: number) ?? "$0.00"
+        return currencyFormatter(currencyIdentifier: currencyIdentifier).string(from: number) ?? "$0.00"
     }
 
     /// Converts a Double into string representation

Sources/CheesyChart/HelperViews/ChartPriceLabelView.swift

@@ -57,7 +57,7 @@ public struct ChartPriceLabelView: View {
     /// Only nesessary if we are using a custom view with a binding to track the draged label price. This is important if the user creates multiple buttons to switch different chart data. It could happen that some data has more chart data. If so the app crashes. To avoid it we are checking if the vm.point is higher that the chart data count. If yes, we asign a blank String otherwise the normal price.
     /// - Returns: Formatted price as a String
     private func checkInput() -> String {
-        return vm.point > setup.data.count ? "" : setup.data[vm.point].asCurrencyWithTwoDecimals()
+        return vm.point > setup.data.count ? "" : setup.data[vm.point].asCurrencyWithTwoDecimals(currencyIdentifier: setup.currencyIdentifier)
     }
 }
 

Sources/CheesyChart/HelperViews/Header/PriceLabelView.swift

@@ -17,7 +17,7 @@ struct PriceLabelView: View {
 
     // MARK: - Body
     var body: some View {
-        Text(setup.data[vm.point].asCurrencyWithTwoDecimals())
+        Text(setup.data[vm.point].asCurrencyWithTwoDecimals(currencyIdentifier: setup.currencyIdentifier))
             .foregroundColor(setup.chartHeaderFontColor)
             .font(.footnote)
     }

Sources/CheesyChart/Main/CheesyChart.swift

@@ -68,6 +68,7 @@ public struct CheesyChart: View {
     }
 
     private func handleGesture(value: DragGesture.Value) {
+        print(value.location.x)
         vm.hide = true
         vm.touchLocation = value.location
         /// Calculates each width of one price

Sources/CheesyChart/Setup/SetupChart.swift

@@ -13,6 +13,7 @@ public class SetupChart {
     // MARK: - Properties
     public var name: String
     public var data: [Double]
+    public var currencyIdentifier: String
     public var image: UIImage?
 
     public var showChartHeader: Bool
@@ -56,6 +57,7 @@ public class SetupChart {
     public init(
         name: String = "",
         data: [Double] = [],
+        currencyIdentifier: String = "en_US",
         image: UIImage? = UIImage(systemName: "bitcoinsign.circle.fill"),
 
         showChartHeader: Bool = false,
@@ -95,6 +97,7 @@ public class SetupChart {
     ) {
         self.name = name
         self.data = data
+        self.currencyIdentifier = currencyIdentifier
         self.image = image
 
         self.showChartHeader = showChartHeader