81 lines
2.4 KiB
Swift
81 lines
2.4 KiB
Swift
//
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// Copyright 2023, 2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import SwiftUI
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struct SegmentedPicker<Segment: Hashable & CustomStringConvertible>: View {
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private let segments: [Segment]
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private let selection: Binding<Segment>
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private let interSegmentSpacing: CGFloat
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@Environment(\.theme) private var theme
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init(segments: [Segment], selection: Binding<Segment>, interSegmentSpacing: CGFloat) {
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self.segments = segments
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self.selection = selection
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self.interSegmentSpacing = interSegmentSpacing
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}
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var body: some View {
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HStack(spacing: interSegmentSpacing) {
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ForEach(segments, id: \.hashValue) { segment in
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let isSelectedSegment = segment == selection.wrappedValue
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Button {
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selection.wrappedValue = segment
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} label: {
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Text(segment.description)
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.font(isSelectedSegment ? theme.fonts.headline : theme.fonts.body)
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.underlineBar(isSelectedSegment)
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}
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.accentColor(isSelectedSegment ? theme.colors.accent : theme.colors.primaryContent)
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.accessibilityLabel(segment.description)
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.accessibilityValue(isSelectedSegment ? VectorL10n.accessibilitySelected : "")
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}
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}
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}
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}
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private extension Text {
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@ViewBuilder
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func underlineBar(_ isActive: Bool) -> some View {
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if #available(iOS 15.0, *) {
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overlay(alignment: .bottom) {
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if isActive {
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Rectangle()
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.frame(height: 1)
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.offset(y: 2)
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}
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}
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} else {
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underline(isActive)
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}
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}
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}
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struct SegmentedPicker_Previews: PreviewProvider {
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static var previews: some View {
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SegmentedPicker(
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segments: [
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"Segment 1",
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"Segment 2"
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],
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selection: .constant("Segment 1"),
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interSegmentSpacing: 14
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)
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SegmentedPicker(
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segments: [
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"Segment 1",
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"Segment 2"
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],
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selection: .constant("Segment 2"),
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interSegmentSpacing: 14
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)
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}
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}
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