144 lines
4.1 KiB
Swift
144 lines
4.1 KiB
Swift
//
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// Swiftfin is subject to the terms of the Mozilla Public
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// License, v2.0. If a copy of the MPL was not distributed with this
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// file, you can obtain one at https://mozilla.org/MPL/2.0/.
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//
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// Copyright (c) 2024 Jellyfin & Jellyfin Contributors
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//
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import Defaults
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import SwiftUI
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// TODO: only allow `view` selection when truncated?
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struct TruncatedText: View {
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enum SeeMoreType {
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case button
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case view
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}
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@Environment(\.accentColor)
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private var accentColor
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@State
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private var isTruncated: Bool = false
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@State
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private var fullheight: CGFloat = 0
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private var isTruncatedBinding: Binding<Bool>
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private var onSeeMore: () -> Void
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private let seeMoreText = "\u{2026} See More"
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private var seeMoreType: SeeMoreType
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private let text: String
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private var textView: some View {
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ZStack(alignment: .bottomTrailing) {
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Text(text)
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.inverseMask(alignment: .bottomTrailing) {
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VStack {
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Spacer()
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HStack {
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Spacer()
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Text(" " + seeMoreText)
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.background {
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LinearGradient(
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stops: [
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.init(color: .clear, location: 0),
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.init(color: .black, location: 0.1),
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],
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startPoint: .leading,
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endPoint: .trailing
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)
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}
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}
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}
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.visible(isTruncated)
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}
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if isTruncated {
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#if os(tvOS)
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Text(seeMoreText)
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.foregroundColor(accentColor)
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#else
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if seeMoreType == .button {
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Button {
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onSeeMore()
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} label: {
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Text(seeMoreText)
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.foregroundColor(accentColor)
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}
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} else {
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Text(seeMoreText)
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.foregroundColor(accentColor)
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}
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#endif
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}
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}
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.background {
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ZStack {
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if !isTruncated {
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if fullheight != 0 {
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Text(text)
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.onSizeChanged { newSize in
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if fullheight > newSize.height {
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isTruncated = true
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}
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}
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}
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Text(text)
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.lineLimit(10)
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.fixedSize(horizontal: false, vertical: true)
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.onSizeChanged { newSize in
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fullheight = newSize.height
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}
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}
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}
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.hidden()
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}
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.onChange(of: isTruncated) { newValue in
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isTruncatedBinding.wrappedValue = newValue
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}
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}
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var body: some View {
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if seeMoreType == .button {
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textView
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} else {
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Button {
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onSeeMore()
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} label: {
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textView
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}
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.buttonStyle(.plain)
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}
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}
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}
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extension TruncatedText {
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init(_ text: String) {
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self.init(
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isTruncatedBinding: .constant(false),
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onSeeMore: {},
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seeMoreType: .button,
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text: text
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)
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}
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func isTruncated(_ isTruncated: Binding<Bool>) -> Self {
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copy(modifying: \.isTruncatedBinding, with: isTruncated)
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}
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func onSeeMore(_ action: @escaping () -> Void) -> Self {
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copy(modifying: \.onSeeMore, with: action)
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}
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func seeMoreType(_ type: SeeMoreType) -> Self {
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copy(modifying: \.seeMoreType, with: type)
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}
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}
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