63 lines
2.2 KiB
Swift
63 lines
2.2 KiB
Swift
//
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// CustomPicker.swift
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// damus
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//
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// Created by Eric Holguin on 1/22/23.
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//
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import SwiftUI
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let RECTANGLE_GRADIENT = LinearGradient(gradient: Gradient(colors: [
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DamusColors.purple,
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DamusColors.blue
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]), startPoint: .leading, endPoint: .trailing)
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struct CustomPicker<SelectionValue: Hashable, Content: View>: View {
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@Environment(\.colorScheme) var colorScheme
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@Namespace var picker
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@Binding var selection: SelectionValue
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@ViewBuilder let content: Content
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public var body: some View {
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let contentMirror = Mirror(reflecting: content)
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let blocksCount = Mirror(reflecting: contentMirror.descendant("value")!).children.count
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HStack {
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ForEach(0..<blocksCount, id: \.self) { index in
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let tupleBlock = contentMirror.descendant("value", ".\(index)")
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let text = Mirror(reflecting: tupleBlock!).descendant("content") as! Text
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let tag = Mirror(reflecting: tupleBlock!).descendant("modifier", "value", "tagged") as! SelectionValue
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Button {
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withAnimation(.spring()) {
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selection = tag
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}
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} label: {
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text
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.padding(EdgeInsets(top: 15, leading: 0, bottom: 10, trailing: 0))
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.font(.system(size: 14, weight: .heavy))
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.contentShape(Rectangle())
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.frame(maxWidth: .infinity)
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}
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.background(
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Group {
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if tag == selection {
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Rectangle().fill(RECTANGLE_GRADIENT).frame(height: 2.5)
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.matchedGeometryEffect(id: "selector", in: picker)
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.cornerRadius(2.5)
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}
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},
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alignment: .bottom
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)
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.accentColor(tag == selection ? textColor() : .gray)
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}
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}
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.background(Color(UIColor.systemBackground))
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}
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func textColor() -> Color {
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colorScheme == .light ? DamusColors.black : DamusColors.white
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}
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}
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