ui: add addressformattedview

Sources/BitcoinUI/AddressFormattedView.swift

@@ -0,0 +1,72 @@
+//
+//  AddressFormattedView.swift
+//
+//
+//  Created by Matthew Ramsden on 6/21/24.
+//
+
+import SwiftUI
+
+public struct AddressFormattedView: View {
+    public let address: String
+    public let columns: Int
+    public let spacing: CGFloat
+    public let gridItemSize: CGFloat
+
+    public init(
+        address: String,
+        columns: Int = 3,
+        spacing: CGFloat = 10,
+        gridItemSize: CGFloat = 80
+    ) {
+        self.address = address
+        self.columns = columns
+        self.spacing = spacing
+        self.gridItemSize = gridItemSize
+    }
+
+    public var body: some View {
+        LazyVGrid(
+            columns: Array(
+                repeating: GridItem(
+                    .fixed(gridItemSize),
+                    spacing: spacing
+                ),
+                count: columns
+            ),
+            spacing: spacing
+        ) {
+            let chunks = chunkedAddress()
+            ForEach(chunks.indices, id: \.self) { index in
+                Text(chunks[index])
+                    .font(.system(size: 20, weight: .medium, design: .monospaced))
+                    .foregroundColor(index % 2 == 0 ? .primary : .secondary)
+            }
+        }
+    }
+}
+
+extension AddressFormattedView {
+    private func chunkedAddress() -> [String] {
+        let chunkSize = 4
+        return stride(from: 0, to: address.count, by: chunkSize).map {
+            let start = address.index(address.startIndex, offsetBy: $0)
+            let end =
+                address.index(start, offsetBy: chunkSize, limitedBy: address.endIndex)
+                ?? address.endIndex
+            return String(address[start..<end])
+        }
+    }
+}
+
+struct AddressFormattedView_Previews: PreviewProvider {
+    static var previews: some View {
+        AddressFormattedView(
+            address: "tb1pw6y0vtmsn46epvz0j8ddc46ketmp28t82p22hcrrkch3a0jhu40qe267dl"
+        )
+    }
+}
+
+#Preview {
+    AddressFormattedView(address: "tb1pw6y0vtmsn46epvz0j8ddc46ketmp28t82p22hcrrkch3a0jhu40qe267dl")
+}