Files
Client/ios/TimetableWidgetExtension/TimetableDayView.swift
T

452 lines
18 KiB
Swift

import SwiftUI
import WidgetKit
// Layout constants must mirror WidgetRenderer.kt on Android, otherwise
// the platforms drift apart on the same widget size.
let FALLBACK_VIRTUAL_MINUTES = 11 * 60
let MIN_HOUR_HEIGHT: CGFloat = 18
let MAX_HOUR_HEIGHT: CGFloat = 72
let MIN_BLOCK_HEIGHT: CGFloat = 16
let LESSON_GAP: CGFloat = 1.5
func realMinutesToVirtual(_ realMin: Int, periods: [WidgetPeriod]) -> CGFloat {
guard !periods.isEmpty else { return CGFloat(realMin) }
for p in periods where realMin >= p.startMinutes && realMin <= p.endMinutes {
return CGFloat(p.virtualStartMinutes + (realMin - p.startMinutes))
}
let first = periods.first!
if realMin < first.startMinutes {
return CGFloat(realMin - first.startMinutes + first.virtualStartMinutes)
}
let last = periods.last!
if realMin > last.endMinutes {
return CGFloat(last.virtualEndMinutes + (realMin - last.endMinutes))
}
var prev = first
for i in 1..<periods.count {
let curr = periods[i]
if realMin > prev.endMinutes && realMin < curr.startMinutes {
let gap = curr.startMinutes - prev.endMinutes
let virtualGap = curr.virtualStartMinutes - prev.virtualEndMinutes
if gap > 0 {
return CGFloat(prev.virtualEndMinutes) +
CGFloat(realMin - prev.endMinutes) * CGFloat(virtualGap) / CGFloat(gap)
}
return CGFloat(curr.virtualStartMinutes)
}
prev = curr
}
return 0
}
let BLOCK_SHOW_ROOM_MIN: CGFloat = 18
let BLOCK_SHOW_TEACHER_SEPARATE_MIN: CGFloat = 30
let MIN_SUBJECT_FONT: CGFloat = 9
let MAX_SUBJECT_FONT: CGFloat = 14
let MIN_SECONDARY_FONT: CGFloat = 7
func subjectFont(forHourHeight hourHeight: CGFloat) -> CGFloat {
let t = max(0, min(1, (hourHeight - MIN_HOUR_HEIGHT) / (MAX_HOUR_HEIGHT - MIN_HOUR_HEIGHT)))
return MIN_SUBJECT_FONT + t * (MAX_SUBJECT_FONT - MIN_SUBJECT_FONT)
}
struct TimetableDayView: View {
let entry: TimetableEntry
var body: some View {
ZStack {
if !entry.isLoggedIn {
placeholder("Bitte einloggen, um den Stundenplan zu laden")
} else if let data = entry.data {
content(data: data)
} else {
placeholder("Lade…")
}
}
.background(MarianumWatermark())
.widgetThemeOverride(entry.themeMode)
}
@ViewBuilder
private func content(data: WidgetTimetableData) -> some View {
VStack(alignment: .leading, spacing: 6) {
header(data: data)
if data.isHoliday {
emptyState(text: data.holidayName ?? "Ferien")
} else if data.lessons.isEmpty {
emptyState(text: "Keine Stunden")
} else {
GeometryReader { geo in
let totalMin = CGFloat(data.periods.last?.virtualEndMinutes ?? FALLBACK_VIRTUAL_MINUTES)
TimeGridView(
lessons: data.lessons,
periods: data.periods,
anchorDate: data.anchorDate,
hourHeight: max(
MIN_HOUR_HEIGHT,
min(MAX_HOUR_HEIGHT, geo.size.height / max(totalMin, 60) * 60)
),
showRoom: true,
showTeacher: true,
showTimeLabels: true
)
}
}
}
}
private func header(data: WidgetTimetableData) -> some View {
HStack {
Text(dayLabel(for: data.anchorDate))
.font(.system(size: 14, weight: .semibold))
.foregroundStyle(.primary)
Spacer()
Text("Stand: \(freshnessLabel(for: data.fetchedAt))")
.font(.system(size: 10))
.foregroundStyle(.secondary)
}
}
private func emptyState(text: String) -> some View {
VStack {
Spacer()
Text(text)
.font(.caption)
.foregroundStyle(.secondary)
Spacer()
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
}
private func placeholder(_ message: String) -> some View {
VStack(spacing: 4) {
Text("Marianum Stundenplan")
.font(.system(size: 14, weight: .semibold))
Text(message)
.font(.caption)
.foregroundStyle(.secondary)
.multilineTextAlignment(.center)
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
}
}
struct TimeGridView: View {
let lessons: [WidgetLesson]
let periods: [WidgetPeriod]
let anchorDate: Date
let hourHeight: CGFloat
let showRoom: Bool
let showTeacher: Bool
let showTimeLabels: Bool
/// Week-widget passes 3 for narrow columns; day-widget keeps 7.
var horizontalPadding: CGFloat = 7
private var totalVirtualMinutes: Int {
periods.last?.virtualEndMinutes ?? FALLBACK_VIRTUAL_MINUTES
}
private var totalHeight: CGFloat {
CGFloat(totalVirtualMinutes) * hourHeight / 60.0
}
/// Below this per-hour height the two-line label collapses to a single
/// period number time + number overlap otherwise.
private var compactLabels: Bool { hourHeight < 26 }
var body: some View {
HStack(alignment: .top, spacing: 0) {
if showTimeLabels {
timeLabelsColumn
.frame(width: 32, alignment: .topTrailing)
Rectangle()
.fill(Color.primary.opacity(0.13))
.frame(width: 1)
}
ZStack(alignment: .top) {
gridLines
breakBlocks
ForEach(lessons.indices, id: \.self) { idx in
lessonBlock(lessons[idx])
}
if Calendar.current.isDate(anchorDate, inSameDayAs: Date()) {
nowIndicator
}
}
.frame(maxWidth: .infinity, minHeight: totalHeight, alignment: .top)
}
}
private var timeLabelsColumn: some View {
ZStack(alignment: .topTrailing) {
// Hour rules continue through the time-label column so it reads
// as a real table column rather than a free-floating tick list.
// Hour rules extend through the time-label column so it reads
// as a table column rather than a free-floating tick list.
ForEach(periodBoundaries(periods), id: \.self) { virtualMin in
Rectangle()
.fill(Color.primary.opacity(0.08))
.frame(height: 1)
.offset(y: CGFloat(virtualMin) * hourHeight / 60.0)
}
ForEach(periods, id: \.startMinutes) { period in
VStack(alignment: .trailing, spacing: -2) {
if compactLabels {
Text("\(period.name).")
.font(.system(size: 9, weight: .bold))
.foregroundStyle(.primary)
.lineLimit(1)
} else {
Text(formatHm(period.startMinutes))
.font(.system(size: 9))
.foregroundStyle(.primary)
.lineLimit(1)
Text("\(period.name).")
.font(.system(size: 7, weight: .bold))
.foregroundStyle(.secondary)
.lineLimit(1)
}
}
.padding(.trailing, 4)
.offset(y: CGFloat(period.virtualStartMinutes) * hourHeight / 60.0)
}
}
.frame(height: totalHeight, alignment: .topTrailing)
}
private var gridLines: some View {
ZStack(alignment: .top) {
// Hour rules continue through the time-label column so it reads
// as a real table column rather than a free-floating tick list.
ForEach(periodBoundaries(periods), id: \.self) { virtualMin in
Rectangle()
.fill(Color.primary.opacity(0.08))
.frame(height: 1)
.offset(y: CGFloat(virtualMin) * hourHeight / 60.0)
}
}
.frame(height: totalHeight)
}
private var breakBlocks: some View {
ZStack(alignment: .top) {
ForEach(0..<max(0, periods.count - 1), id: \.self) { i in
let curr = periods[i]
let next = periods[i + 1]
let virtualGap = next.virtualStartMinutes - curr.virtualEndMinutes
if virtualGap > 0 {
Rectangle()
.fill(Color.primary.opacity(0.03))
.frame(height: CGFloat(virtualGap) * hourHeight / 60.0)
.padding(.horizontal, 1)
.offset(y: CGFloat(curr.virtualEndMinutes) * hourHeight / 60.0)
}
}
}
.frame(height: totalHeight)
}
private func formatHm(_ minutes: Int) -> String {
String(format: "%02d:%02d", minutes / 60, minutes % 60)
}
@ViewBuilder
private func lessonBlock(_ lesson: WidgetLesson) -> some View {
let cal = Calendar.current
let comps = cal.dateComponents([.hour, .minute], from: lesson.start)
let startMinutes = (comps.hour ?? 0) * 60 + (comps.minute ?? 0)
let durationMinutes = max(15, Int(lesson.end.timeIntervalSince(lesson.start) / 60))
let virtualStart = realMinutesToVirtual(startMinutes, periods: periods)
let virtualEnd = realMinutesToVirtual(startMinutes + durationMinutes, periods: periods)
if virtualEnd > virtualStart {
let top = virtualStart * hourHeight / 60.0 + LESSON_GAP / 2
let height = max(
MIN_BLOCK_HEIGHT,
(virtualEnd - virtualStart) * hourHeight / 60.0 - LESSON_GAP
)
let subjectSize = subjectFont(forHourHeight: hourHeight)
let secondarySize = max(MIN_SECONDARY_FONT, subjectSize - 2)
let room = lesson.room
let teacher = lesson.teacher ?? lesson.originalTeacher
let hasSecondary = (room?.isEmpty == false) || (teacher?.isEmpty == false)
HStack(alignment: .top, spacing: 4) {
Text(subjectLabel(lesson))
.font(.system(size: subjectSize, weight: .semibold))
.foregroundStyle(.white)
.lineLimit(hasSecondary ? 1 : 2)
.minimumScaleFactor(0.5)
if hasSecondary {
Spacer(minLength: 0)
VStack(alignment: .trailing, spacing: -1) {
if showRoom && height >= BLOCK_SHOW_ROOM_MIN {
if let room, !room.isEmpty {
Text(room)
.font(.system(size: secondarySize))
.foregroundStyle(.white.opacity(0.85))
.lineLimit(1)
.minimumScaleFactor(0.5)
}
if showTeacher,
height >= BLOCK_SHOW_TEACHER_SEPARATE_MIN,
let teacher,
!teacher.isEmpty {
Text(teacher)
.font(.system(size: secondarySize))
.foregroundStyle(.white.opacity(0.7))
.lineLimit(1)
.minimumScaleFactor(0.5)
}
}
}
}
}
.padding(.horizontal, horizontalPadding)
.padding(.vertical, 3)
.frame(maxWidth: .infinity, alignment: .topLeading)
.frame(height: height, alignment: .topLeading)
.background(blockColor(lesson))
.cornerRadius(6)
.overlay(alignment: .bottomLeading) {
// Separate fixed-size badge so the +N hint stays readable
// when the subject autoshrinks on narrow tiles.
if let count = lesson.siblingCount, count > 0 {
Text("+\(count)")
.font(.system(size: 12, weight: .bold))
.foregroundStyle(.white)
.padding(.leading, horizontalPadding)
.padding(.bottom, 2)
}
}
.overlay {
// CrossPainter parity: clip cross to the rounded shape so
// the diagonals don't bleed past the corners.
if lesson.status == .cancelled {
ZStack {
RoundedRectangle(cornerRadius: 6)
.stroke(Color.red.opacity(0.78), lineWidth: 1.5)
GeometryReader { geo in
Path { p in
p.move(to: .zero)
p.addLine(to: CGPoint(x: geo.size.width, y: geo.size.height))
p.move(to: CGPoint(x: geo.size.width, y: 0))
p.addLine(to: CGPoint(x: 0, y: geo.size.height))
}
.stroke(Color.red.opacity(0.78), lineWidth: 3)
}
}
.clipShape(RoundedRectangle(cornerRadius: 6))
}
}
.padding(.horizontal, showRoom ? 2 : 1)
.offset(y: top)
}
}
private var nowIndicator: some View {
let cal = Calendar.current
let comps = cal.dateComponents([.hour, .minute], from: Date())
let nowMinutes = (comps.hour ?? 0) * 60 + (comps.minute ?? 0)
let inside: Bool
if let first = periods.first, let last = periods.last {
inside = nowMinutes >= first.startMinutes && nowMinutes <= last.endMinutes
} else {
inside = true
}
let top = realMinutesToVirtual(nowMinutes, periods: periods) * hourHeight / 60.0
return Group {
if inside {
Rectangle()
.fill(Color.red)
.frame(height: 2)
.offset(y: top)
}
}
}
private func subjectLabel(_ lesson: WidgetLesson) -> String {
!lesson.subjectShort.isEmpty
? lesson.subjectShort
: (lesson.subjectLong ?? "")
}
/// Mirrors lesson_color.dart + custom_event_colors.dart so the widget
/// matches the in-app calendar exactly.
private func blockColor(_ lesson: WidgetLesson) -> Color {
if lesson.status == .event, let custom = lesson.customColor {
switch custom {
case "orange": return Color(red: 239/255.0, green: 108/255.0, blue: 0/255.0)
case "red": return Color(red: 153/255.0, green: 51/255.0, blue: 51/255.0)
case "green": return Color(red: 76/255.0, green: 175/255.0, blue: 80/255.0)
case "blue": return Color(red: 33/255.0, green: 150/255.0, blue: 243/255.0)
default: break
}
}
switch lesson.status {
case .regular, .past: return Color(red: 153/255.0, green: 51/255.0, blue: 51/255.0)
case .ongoing: return Color(red: 200/255.0, green: 51/255.0, blue: 51/255.0)
case .cancelled: return .black
case .irregular: return Color(red: 143/255.0, green: 25/255.0, blue: 179/255.0)
case .teacherChanged: return Color(red: 41/255.0, green: 99/255.0, blue: 155/255.0)
case .event: return Color(red: 239/255.0, green: 108/255.0, blue: 0/255.0)
}
}
}
/// Period boundaries deduped: adjacent periods share a line, periods on
/// either side of a break get their own (bracketing the break block).
func periodBoundaries(_ periods: [WidgetPeriod]) -> [Int] {
var seen = Set<Int>()
var result: [Int] = []
for p in periods {
for v in [p.virtualStartMinutes, p.virtualEndMinutes] {
if seen.insert(v).inserted { result.append(v) }
}
}
return result.sorted()
}
func dayLabel(for date: Date) -> String {
let cal = Calendar.current
let today = cal.startOfDay(for: Date())
let anchor = cal.startOfDay(for: date)
if anchor == today {
return "Heute · \(shortDate(date))"
}
if let tomorrow = cal.date(byAdding: .day, value: 1, to: today), anchor == tomorrow {
return "Morgen · \(shortDate(date))"
}
let formatter = DateFormatter()
formatter.locale = Locale(identifier: "de_DE")
formatter.dateFormat = "EEEE · dd.MM."
return formatter.string(from: date)
}
func shortDate(_ date: Date) -> String {
let f = DateFormatter()
f.locale = Locale(identifier: "de_DE")
f.dateFormat = "dd.MM."
return f.string(from: date)
}
func freshnessLabel(for fetchedAt: Date) -> String {
let cal = Calendar.current
let today = cal.startOfDay(for: Date())
let fetchedDay = cal.startOfDay(for: fetchedAt)
let timeFmt = DateFormatter()
timeFmt.locale = Locale(identifier: "de_DE")
timeFmt.dateFormat = "HH:mm"
if fetchedDay == today {
return timeFmt.string(from: fetchedAt)
}
if let yesterday = cal.date(byAdding: .day, value: -1, to: today),
fetchedDay == yesterday {
return "gestern \(timeFmt.string(from: fetchedAt))"
}
let dateTimeFmt = DateFormatter()
dateTimeFmt.locale = Locale(identifier: "de_DE")
dateTimeFmt.dateFormat = "dd.MM. HH:mm"
return dateTimeFmt.string(from: fetchedAt)
}