b1e0cf1fdc
Zwischenstand vor den Sharing/Gruppen/Import-Export-Features (gesichert, damit die neuen Features sauber darauf aufbauen).
403 lines
16 KiB
Swift
403 lines
16 KiB
Swift
import SwiftUI
|
||
|
||
// Cover ~10 years back and ~77 years ahead, so the scrollable range goes well
|
||
// past 2100 — enough room for any vacation that's actually getting planned.
|
||
private let weeksBack = 520
|
||
private let weeksAhead = 4000
|
||
private let weekdayHeaderHeight: CGFloat = 28
|
||
private let dayNumberRowHeight: CGFloat = 22
|
||
private let laneHeight: CGFloat = 16
|
||
private let laneSpacing: CGFloat = 2
|
||
private let maxLanesPerWeek = 5
|
||
|
||
private enum DividerEdge { case none, topHighlight, bottomHighlight }
|
||
|
||
struct MonthView: View {
|
||
let store: CalendarStore
|
||
let onDayTap: (Date) -> Void
|
||
let onEventTap: (CalEvent) -> Void
|
||
let onCreateEvent: (Date) -> Void
|
||
let onShowWeek: (Date) -> Void
|
||
let onShowDay: (Date) -> Void
|
||
@Binding var visibleMonth: Date
|
||
|
||
@AppStorage("appLanguage") private var appLang = "system"
|
||
@AppStorage("monthDividerColor") private var dividerHex = "#7090c0"
|
||
@AppStorage("monthLabelColor") private var labelHex = "#7090c0"
|
||
@AppStorage("textColor") private var textHex = "#FFFFFF"
|
||
@AppStorage("lineColor") private var lineHex = "#3A3A3C"
|
||
@AppStorage("textContrast") private var textContrast = 3
|
||
|
||
@State private var scrolledWeek: Date? = nil
|
||
@State private var didInitialScroll = false
|
||
|
||
private var cal: Calendar { store.userCalendar }
|
||
|
||
private var weekStarts: [Date] {
|
||
let today = cal.startOfDay(for: .now)
|
||
let thisWeek = cal.date(from: cal.dateComponents([.yearForWeekOfYear, .weekOfYear], from: today))!
|
||
return (-weeksBack...weeksAhead).compactMap {
|
||
cal.date(byAdding: .weekOfYear, value: $0, to: thisWeek)
|
||
}
|
||
}
|
||
|
||
private var weekdayHeaders: [String] {
|
||
let fmt = DateFormatter(); fmt.locale = L10n.locale(appLang)
|
||
let symbols = fmt.shortWeekdaySymbols ?? cal.shortWeekdaySymbols
|
||
let start = cal.firstWeekday - 1
|
||
return (0..<7).map { i in String(symbols[(start + i) % 7].prefix(2)) }
|
||
}
|
||
|
||
var body: some View {
|
||
VStack(spacing: 0) {
|
||
headerRow
|
||
Divider()
|
||
ScrollView {
|
||
LazyVStack(spacing: 0) { ForEach(weekStarts, id: \.self) { ws in
|
||
WeekRow(weekStart: ws,
|
||
store: store,
|
||
dividerColor: Color(hex: dividerHex),
|
||
labelColor: Color(hex: labelHex),
|
||
textColor: Color(hex: textHex),
|
||
lineColor: Color(hex: lineHex),
|
||
language: appLang,
|
||
onDayTap: onDayTap,
|
||
onEventTap: onEventTap,
|
||
onCreateEvent: onCreateEvent,
|
||
onShowWeek: onShowWeek,
|
||
onShowDay: onShowDay)
|
||
.id(ws)
|
||
}
|
||
}
|
||
.scrollTargetLayout()
|
||
}
|
||
.scrollIndicators(.hidden)
|
||
.scrollPosition(id: $scrolledWeek, anchor: .top)
|
||
.onAppear {
|
||
if !didInitialScroll {
|
||
didInitialScroll = true
|
||
scrolledWeek = weekStart(for: store.currentDate)
|
||
publishVisibleMonth(from: scrolledWeek)
|
||
}
|
||
}
|
||
.onChange(of: store.currentDate) { _, newDate in
|
||
let target = weekStart(for: newDate)
|
||
if scrolledWeek != target {
|
||
withAnimation(.easeInOut(duration: 0.25)) {
|
||
scrolledWeek = target
|
||
}
|
||
}
|
||
}
|
||
.onChange(of: scrolledWeek) { _, newWeek in
|
||
publishVisibleMonth(from: newWeek)
|
||
}
|
||
}
|
||
}
|
||
|
||
private var headerRow: some View {
|
||
HStack(spacing: 0) {
|
||
ForEach(weekdayHeaders, id: \.self) { d in
|
||
Text(d)
|
||
.font(.caption2.weight(.semibold))
|
||
.foregroundStyle(Color(hex: textHex).opacity(secondaryTextOpacity(textContrast)))
|
||
.frame(maxWidth: .infinity, minHeight: weekdayHeaderHeight)
|
||
}
|
||
}
|
||
}
|
||
|
||
private func weekStart(for date: Date) -> Date {
|
||
cal.date(from: cal.dateComponents([.yearForWeekOfYear, .weekOfYear], from: date))!
|
||
}
|
||
|
||
/// Determine the header month from the currently-scrolled week.
|
||
/// Rule: take the month of the topmost visible week's start day. This
|
||
/// means as long as the "1." of the next month is still visible in the
|
||
/// top row, the header keeps showing the previous month – and only flips
|
||
/// to the new month once its "1." has scrolled out of view above.
|
||
private func publishVisibleMonth(from week: Date?) {
|
||
guard let w = week else { return }
|
||
let month = cal.date(from: cal.dateComponents([.year, .month], from: w)) ?? w
|
||
if visibleMonth != month {
|
||
visibleMonth = month
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: – Week Row
|
||
|
||
private struct WeekRow: View {
|
||
let weekStart: Date
|
||
let store: CalendarStore
|
||
let dividerColor: Color
|
||
let labelColor: Color
|
||
let textColor: Color
|
||
let lineColor: Color
|
||
let language: String
|
||
let onDayTap: (Date) -> Void
|
||
let onEventTap: (CalEvent) -> Void
|
||
let onCreateEvent: (Date) -> Void
|
||
let onShowWeek: (Date) -> Void
|
||
let onShowDay: (Date) -> Void
|
||
|
||
private var cal: Calendar { store.userCalendar }
|
||
|
||
private var days: [Date] {
|
||
(0..<7).compactMap { cal.date(byAdding: .day, value: $0, to: weekStart) }
|
||
}
|
||
|
||
private var weekNumber: Int { cal.component(.weekOfYear, from: weekStart) }
|
||
|
||
private func columnRange(for ev: CalEvent) -> (startCol: Int, span: Int) {
|
||
let weekEnd = cal.date(byAdding: .day, value: 7, to: weekStart)!
|
||
let evStart = max(cal.startOfDay(for: ev.startDate), weekStart)
|
||
// All-day end is already exclusive; timed end-of-day-on-same-day shouldn't add a column.
|
||
let rawEnd: Date
|
||
if ev.isAllDay {
|
||
rawEnd = ev.endDate
|
||
} else {
|
||
// Treat timed events as occupying days from start up to and including the day of end.
|
||
rawEnd = cal.date(byAdding: .day, value: 1, to: cal.startOfDay(for: ev.endDate))!
|
||
}
|
||
let evEnd = min(rawEnd, weekEnd)
|
||
let sc = max(0, cal.dateComponents([.day], from: weekStart, to: evStart).day ?? 0)
|
||
let lastIncl = (cal.dateComponents([.day], from: weekStart, to: evEnd).day ?? 0) - 1
|
||
let ec = min(6, lastIncl)
|
||
return (sc, max(1, ec - sc + 1))
|
||
}
|
||
|
||
/// Greedy lane packing for events overlapping this week.
|
||
private func packEvents() -> (placed: [(event: CalEvent, lane: Int, startCol: Int, span: Int)],
|
||
extraPerCol: [Int]) {
|
||
let weekEndExclusive = cal.date(byAdding: .day, value: 7, to: weekStart)!
|
||
let evs = store.events(in: weekStart, end: weekEndExclusive)
|
||
.sorted { a, b in
|
||
if a.startDate != b.startDate { return a.startDate < b.startDate }
|
||
return a.endDate > b.endDate
|
||
}
|
||
var laneLastEnd: [Int] = []
|
||
var placed: [(CalEvent, Int, Int, Int)] = []
|
||
var overflowPerCol = [Int](repeating: 0, count: 7)
|
||
|
||
for ev in evs {
|
||
let (sc, sp) = columnRange(for: ev)
|
||
var assigned: Int? = nil
|
||
for laneIdx in 0..<laneLastEnd.count {
|
||
if laneLastEnd[laneIdx] < sc {
|
||
laneLastEnd[laneIdx] = sc + sp - 1
|
||
assigned = laneIdx
|
||
break
|
||
}
|
||
}
|
||
if assigned == nil {
|
||
if laneLastEnd.count < maxLanesPerWeek {
|
||
laneLastEnd.append(sc + sp - 1)
|
||
assigned = laneLastEnd.count - 1
|
||
}
|
||
}
|
||
if let lane = assigned {
|
||
placed.append((ev, lane, sc, sp))
|
||
} else {
|
||
for c in sc...min(6, sc + sp - 1) {
|
||
overflowPerCol[c] += 1
|
||
}
|
||
}
|
||
}
|
||
return (placed.map { (event: $0.0, lane: $0.1, startCol: $0.2, span: $0.3) },
|
||
overflowPerCol)
|
||
}
|
||
|
||
var body: some View {
|
||
let (placed, extras) = packEvents()
|
||
let rowHeight = dayNumberRowHeight + CGFloat(maxLanesPerWeek) * (laneHeight + laneSpacing) + 4
|
||
let mondayIdx = days.firstIndex(where: { cal.component(.weekday, from: $0) == 2 }) ?? 0
|
||
|
||
// Where in this row does a new month start? (col 1...6 = mid-row step; nil = no step)
|
||
let midRowBoundaryCol: Int? = {
|
||
for idx in 1..<7 where cal.component(.day, from: days[idx]) == 1 { return idx }
|
||
return nil
|
||
}()
|
||
let rowStartsNewMonth = cal.component(.day, from: days[0]) == 1
|
||
|
||
GeometryReader { geo in
|
||
let cellW = geo.size.width / 7
|
||
|
||
ZStack(alignment: .topLeading) {
|
||
HStack(spacing: 0) {
|
||
ForEach(Array(days.enumerated()), id: \.offset) { idx, day in
|
||
let edge: DividerEdge = {
|
||
if let b = midRowBoundaryCol {
|
||
return idx < b ? .bottomHighlight : .topHighlight
|
||
}
|
||
return rowStartsNewMonth ? .topHighlight : .none
|
||
}()
|
||
DayCell(date: day,
|
||
isToday: cal.isDateInToday(day),
|
||
monthLabelColor: labelColor,
|
||
dividerColor: dividerColor,
|
||
textColor: textColor,
|
||
lineColor: lineColor,
|
||
language: language,
|
||
extraCount: extras[idx],
|
||
weekNumber: idx == mondayIdx ? weekNumber : nil,
|
||
cwLabel: L10n.t("cal.cw", language),
|
||
edge: edge,
|
||
onTap: { onDayTap(day) },
|
||
onCreateEvent: { onCreateEvent(day) },
|
||
onShowWeek: { onShowWeek(day) },
|
||
onShowDay: { onShowDay(day) })
|
||
.frame(width: cellW, height: rowHeight)
|
||
}
|
||
}
|
||
|
||
ForEach(Array(placed.enumerated()), id: \.offset) { _, p in
|
||
Button { onEventTap(p.event) } label: {
|
||
EventBar(event: p.event)
|
||
.frame(width: cellW * CGFloat(p.span) - 2, height: laneHeight)
|
||
}
|
||
.buttonStyle(.plain)
|
||
.offset(x: CGFloat(p.startCol) * cellW + 1,
|
||
y: dayNumberRowHeight + CGFloat(p.lane) * (laneHeight + laneSpacing))
|
||
}
|
||
|
||
// Vertical connector at the month-boundary column – ties the bottom-line
|
||
// of old-month cells to the top-line of new-month cells into a step.
|
||
if let b = midRowBoundaryCol {
|
||
Rectangle()
|
||
.fill(dividerColor)
|
||
.frame(width: 1.5, height: rowHeight)
|
||
.offset(x: CGFloat(b) * cellW - 0.75, y: 0)
|
||
}
|
||
}
|
||
}
|
||
.frame(height: rowHeight)
|
||
}
|
||
}
|
||
|
||
// MARK: – Day Cell
|
||
|
||
private struct DayCell: View {
|
||
let date: Date
|
||
let isToday: Bool
|
||
let monthLabelColor: Color
|
||
let dividerColor: Color
|
||
let textColor: Color
|
||
let lineColor: Color
|
||
let language: String
|
||
let extraCount: Int
|
||
let weekNumber: Int?
|
||
let cwLabel: String
|
||
let edge: DividerEdge
|
||
let onTap: () -> Void
|
||
let onCreateEvent: () -> Void
|
||
let onShowWeek: () -> Void
|
||
let onShowDay: () -> Void
|
||
|
||
@AppStorage("textContrast") private var textContrast = 3
|
||
@AppStorage("lineContrast") private var lineContrast = 3
|
||
|
||
private var cal: Calendar { Calendar.current }
|
||
private var dayNum: Int { cal.component(.day, from: date) }
|
||
private var isFirstOfMonth: Bool { dayNum == 1 }
|
||
|
||
private var monthAbbrev: String {
|
||
let f = DateFormatter()
|
||
f.locale = L10n.locale(language)
|
||
f.dateFormat = "LLL"
|
||
return f.string(from: date).uppercased()
|
||
}
|
||
|
||
var body: some View {
|
||
VStack(alignment: .leading, spacing: 0) {
|
||
Button(action: onTap) {
|
||
HStack(spacing: 4) {
|
||
Text("\(dayNum)")
|
||
.font(.system(size: 13, weight: isToday ? .bold : .regular))
|
||
.foregroundStyle(isToday ? Color.white : textColor)
|
||
.frame(width: 22, height: 22)
|
||
.background(isToday ? Color.accentColor : Color.clear)
|
||
.clipShape(Circle())
|
||
if isFirstOfMonth {
|
||
Text(monthAbbrev)
|
||
.font(.system(size: 10, weight: .semibold))
|
||
.foregroundStyle(monthLabelColor)
|
||
.lineLimit(1)
|
||
.fixedSize()
|
||
}
|
||
Spacer(minLength: 0)
|
||
}
|
||
.padding(.leading, 4)
|
||
.padding(.top, 2)
|
||
}
|
||
.buttonStyle(.plain)
|
||
Spacer(minLength: 0)
|
||
HStack(spacing: 0) {
|
||
if extraCount > 0 {
|
||
Text("+\(extraCount)")
|
||
.font(.system(size: 9, weight: .medium))
|
||
.foregroundStyle(textColor.opacity(secondaryTextOpacity(textContrast)))
|
||
.padding(.leading, 4)
|
||
}
|
||
Spacer(minLength: 0)
|
||
if let wn = weekNumber {
|
||
Text("\(cwLabel) \(wn)")
|
||
.font(.system(size: 9, weight: .medium))
|
||
.foregroundStyle(textColor.opacity(secondaryTextOpacity(textContrast)))
|
||
.padding(.trailing, 4)
|
||
}
|
||
}
|
||
.padding(.bottom, 1)
|
||
}
|
||
.frame(maxWidth: .infinity, maxHeight: .infinity, alignment: .topLeading)
|
||
.overlay(alignment: .trailing) {
|
||
Rectangle().fill(lineColor.opacity(gridLineOpacity(lineContrast))).frame(width: 0.5)
|
||
}
|
||
.overlay(alignment: .top) {
|
||
Rectangle()
|
||
.fill(edge == .topHighlight ? dividerColor : lineColor.opacity(gridLineOpacity(lineContrast)))
|
||
.frame(height: edge == .topHighlight ? 1.5 : 0.5)
|
||
}
|
||
.overlay(alignment: .bottom) {
|
||
if edge == .bottomHighlight {
|
||
Rectangle().fill(dividerColor).frame(height: 1.5)
|
||
}
|
||
}
|
||
.contentShape(Rectangle())
|
||
.contextMenu {
|
||
Button { onCreateEvent() } label: {
|
||
Label(L10n.t("cal.new_event", language), systemImage: "plus")
|
||
}
|
||
Button { onShowWeek() } label: {
|
||
Label(L10n.t("cal.show_in_week_view", language),
|
||
systemImage: "calendar.day.timeline.leading")
|
||
}
|
||
Button { onShowDay() } label: {
|
||
Label(L10n.t("cal.show_in_day_view", language), systemImage: "sun.max")
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: – Event Bar
|
||
|
||
private struct EventBar: View {
|
||
let event: CalEvent
|
||
@AppStorage("dimPastEvents") private var dimPast = false
|
||
|
||
private var isPast: Bool { event.endDate < .now }
|
||
|
||
var body: some View {
|
||
HStack(spacing: 3) {
|
||
Text(event.title)
|
||
.font(.system(size: 10, weight: .medium))
|
||
.lineLimit(1)
|
||
.foregroundStyle(.white)
|
||
.padding(.leading, 4)
|
||
Spacer(minLength: 0)
|
||
}
|
||
.frame(maxWidth: .infinity, alignment: .leading)
|
||
.background(Color(hex: event.effectiveColor))
|
||
.clipShape(RoundedRectangle(cornerRadius: 3))
|
||
.opacity(dimPast && isPast ? 0.5 : 1.0)
|
||
}
|
||
}
|