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fototeddy
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import SwiftUI
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/// Fahrzeuge anlegen, umbenennen und entfernen.
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struct ProfilesView: View {
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@Environment(DeviceStore.self) private var store
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@Environment(BluetoothManager.self) private var bluetooth
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@Environment(\.dismiss) private var dismiss
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@State private var editing: Profile?
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@State private var pendingDeletion: Profile?
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var body: some View {
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NavigationStack {
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List {
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Section {
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ForEach(store.profiles) { profile in
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row(for: profile)
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}
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} footer: {
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Text("Antippen wählt das Fahrzeug aus, das ⓘ öffnet Name, Symbol "
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+ "und Maße. Jedes Fahrzeug hat seine eigenen Geräte, und die "
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+ "App liest immer nur die des gewählten aus.")
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}
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Section {
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Button("Fahrzeug hinzufügen", systemImage: "plus") {
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let profile = store.addProfile(named: "Camper \(store.profiles.count + 1)")
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editing = profile
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}
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}
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}
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.navigationTitle("Fahrzeuge")
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItem(placement: .confirmationAction) {
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Button("Fertig") { dismiss() }
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}
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}
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.sheet(item: $editing) { profile in
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ProfileEditView(profile: profile)
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}
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.confirmationDialog("Fahrzeug entfernen?",
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isPresented: .init(get: { pendingDeletion != nil },
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set: { if !$0 { pendingDeletion = nil } }),
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titleVisibility: .visible) {
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Button("Entfernen", role: .destructive) {
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if let pendingDeletion {
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store.removeProfile(pendingDeletion)
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bluetooth.refreshConfiguration()
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}
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pendingDeletion = nil
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}
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} message: {
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if let pendingDeletion {
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Text("„\(pendingDeletion.name)“ und die \(store.deviceCount(in: pendingDeletion)) "
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+ "darin eingerichteten Geräte werden gelöscht.")
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}
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}
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}
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}
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private func row(for profile: Profile) -> some View {
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HStack(spacing: 12) {
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Label {
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VStack(alignment: .leading, spacing: 2) {
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Text(profile.name)
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Text(summary(for: profile))
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.font(.caption)
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.foregroundStyle(.secondary)
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}
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} icon: {
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Image(systemName: profile.symbol)
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}
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// Nur dieser Bereich wählt aus; der Knopf rechts bleibt frei.
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.contentShape(.rect)
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.onTapGesture {
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store.selectProfile(profile)
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bluetooth.refreshConfiguration()
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}
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Spacer(minLength: 0)
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if profile.id == store.activeProfileID {
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Image(systemName: "checkmark")
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.foregroundStyle(.tint)
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.fontWeight(.semibold)
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}
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// Zum Bearbeiten reichte bisher nur das Wischen - das findet
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// niemand, erst recht nicht für die Fahrzeugmaße.
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Button {
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editing = profile
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} label: {
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Image(systemName: "info.circle")
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.font(.title3)
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}
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.buttonStyle(.borderless)
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.accessibilityLabel("\(profile.name) bearbeiten")
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}
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.swipeActions(edge: .trailing) {
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// Das letzte Fahrzeug muss bleiben, sonst hätten Geräte keinen Ort.
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if store.hasMultipleProfiles {
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Button("Entfernen", systemImage: "trash", role: .destructive) {
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pendingDeletion = profile
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}
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}
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Button("Bearbeiten", systemImage: "pencil") {
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editing = profile
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}
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.tint(.gray)
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}
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}
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private func summary(for profile: Profile) -> String {
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let count = store.deviceCount(in: profile)
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var parts = [count == 1 ? "1 Gerät" : "\(count) Geräte"]
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if profile.trackWidth != nil || profile.wheelbase != nil {
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parts.append("Maße hinterlegt")
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}
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return parts.joined(separator: " · ")
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}
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}
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/// Name, Symbol und Maße eines Fahrzeugs ändern.
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private struct ProfileEditView: View {
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/// Nimmt Komma wie Punkt an – auf einer deutschen Tastatur liegt das Komma
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/// näher. Unplausible Werte werden verworfen, damit die Keilhöhe nicht
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/// stillschweigend Unsinn ergibt.
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static func metres(from text: String) -> Double? {
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let cleaned = text.replacingOccurrences(of: ",", with: ".")
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.trimmingCharacters(in: .whitespaces)
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guard let value = Double(cleaned), value > 0.5, value < 12 else { return nil }
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return value
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}
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static func text(from value: Double?) -> String {
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guard let value else { return "" }
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return String(format: "%.2f", value).replacingOccurrences(of: ".", with: ",")
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}
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let profile: Profile
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@Environment(DeviceStore.self) private var store
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@Environment(\.dismiss) private var dismiss
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@State private var name = ""
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@State private var symbol = "box.truck"
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@State private var trackWidth = ""
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@State private var wheelbase = ""
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private let columns = [GridItem(.adaptive(minimum: 60), spacing: 12)]
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var body: some View {
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NavigationStack {
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Form {
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Section("Name") {
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TextField("Name", text: $name)
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}
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Section {
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LabeledContent("Spurweite") {
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HStack {
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TextField("z. B. 2,00", text: $trackWidth)
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.keyboardType(.decimalPad)
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.multilineTextAlignment(.trailing)
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Text("m").foregroundStyle(.secondary)
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}
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}
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LabeledContent("Radstand") {
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HStack {
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TextField("z. B. 3,50", text: $wheelbase)
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.keyboardType(.decimalPad)
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.multilineTextAlignment(.trailing)
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Text("m").foregroundStyle(.secondary)
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}
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}
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} header: {
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Text("Fahrzeugmaße")
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} footer: {
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Text("Nur für den Ausrichtungs-Assistenten: Aus Neigung und "
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+ "Abstand errechnet er, wie hoch der Auffahrkeil sein muss. "
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+ "Ohne Angabe entfällt diese Anzeige.")
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}
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Section("Symbol") {
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LazyVGrid(columns: columns, spacing: 12) {
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ForEach(Profile.symbols, id: \.self) { candidate in
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Button {
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symbol = candidate
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} label: {
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Image(systemName: candidate)
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.font(.title2)
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.frame(width: 52, height: 52)
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.background(symbol == candidate ? Color.accentColor.opacity(0.18)
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: Color.secondary.opacity(0.08),
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in: .rect(cornerRadius: 12))
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.foregroundStyle(symbol == candidate ? Color.accentColor : Color.primary)
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}
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.buttonStyle(.plain)
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}
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}
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.padding(.vertical, 4)
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}
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}
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.navigationTitle("Fahrzeug")
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItem(placement: .cancellationAction) {
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Button("Abbrechen") { dismiss() }
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}
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ToolbarItem(placement: .confirmationAction) {
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Button("Sichern") {
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var updated = profile
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updated.name = name.trimmingCharacters(in: .whitespaces)
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updated.symbol = symbol
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updated.trackWidth = Self.metres(from: trackWidth)
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updated.wheelbase = Self.metres(from: wheelbase)
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store.update(updated)
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dismiss()
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}
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.disabled(name.trimmingCharacters(in: .whitespaces).isEmpty)
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}
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}
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.onAppear {
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name = profile.name
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symbol = profile.symbol
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trackWidth = Self.text(from: profile.trackWidth)
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wheelbase = Self.text(from: profile.wheelbase)
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}
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}
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}
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}
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