initial commit

2025-08-27 13:42:07 +02:00
commit 36ae378cb9
136 changed files with 5696 additions and 0 deletions
@@ -0,0 +1,104 @@
+import 'dart:ui' show FontFeature;
+import 'package:flutter/material.dart';
+
+import '../models/work_day.dart';
+
+String monthTitle(DateTime m) {
+  const months = [
+    'Januar', 'Februar', 'März', 'April', 'Mai', 'Juni',
+    'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember'
+  ];
+  return '${months[m.month - 1]} ${m.year}';
+}
+
+String leftDayLabel(DateTime d) => '${ddmm(d)} ${weekdayShort(d)}';
+String rightDayLabel(DateTime d) => '${weekdayShort(d)} ${ddmm(d)}';
+
+String weekdayShort(DateTime d) {
+  switch (d.weekday) {
+    case DateTime.monday: return 'Mo';
+    case DateTime.tuesday: return 'Di';
+    case DateTime.wednesday: return 'Mi';
+    case DateTime.thursday: return 'Do';
+    case DateTime.friday: return 'Fr';
+    case DateTime.saturday: return 'Sa';
+    case DateTime.sunday: return 'So';
+    default: return '';
+  }
+}
+
+String ddmm(DateTime d) =>
+    '${d.day.toString().padLeft(2, '0')}.${d.month.toString().padLeft(2, '0')}';
+
+Widget mono(String s) =>
+    Text(s, style: const TextStyle(fontFeatures: [FontFeature.tabularFigures()]));
+
+String fmtTimeOfDay(TimeOfDay t) =>
+    '${t.hour.toString().padLeft(2, '0')}:${t.minute.toString().padLeft(2, '0')}';
+
+int minutesBetween(TimeOfDay a, TimeOfDay b) {
+  final aMin = a.hour * 60 + a.minute;
+  final bMin = b.hour * 60 + b.minute;
+  final d = bMin - aMin;
+  if (d <= 0) return 0;
+  if (d >= 24 * 60) return 24 * 60;
+  return d;
+}
+
+String minutesToHHMM(int minutes) {
+  final h = minutes ~/ 60;
+  final m = minutes % 60;
+  return '${h.toString().padLeft(2, '0')}:${m.toString().padLeft(2, '0')}';
+}
+
+String minutesToSignedHHMM(int minutes) {
+  final sign = minutes < 0 ? '-' : '+';
+  final absMin = minutes.abs();
+  final h = absMin ~/ 60;
+  final m = absMin % 60;
+  return '$sign${h.toString().padLeft(2, '0')}:${m.toString().padLeft(2, '0')}';
+}
+
+TimeOfDay? parseHHMM(dynamic v) {
+  if (v == null) return null;
+  final s = v.toString().trim();
+  if (s.isEmpty) return null;
+  final parts = s.split(':');
+  if (parts.length < 2) return null;
+  final h = int.tryParse(parts[0]) ?? 0;
+  final m = int.tryParse(parts[1]) ?? 0;
+  if (h < 0 || h > 23 || m < 0 || m > 59) return null;
+  return TimeOfDay(hour: h, minute: m);
+}
+
+TimeOfDay? parseTextHHMM(String s) {
+  final t = s.trim();
+  if (t.length != 5 || t[2] != ':') return null;
+  final h = int.tryParse(t.substring(0, 2));
+  final m = int.tryParse(t.substring(3, 5));
+  if (h == null || m == null) return null;
+  if (h < 0 || h > 23 || m < 0 || m > 59) return null;
+  return TimeOfDay(hour: h, minute: m);
+}
+
+String ymd(DateTime d) =>
+    '${d.year.toString().padLeft(4, '0')}-${d.month.toString().padLeft(2, '0')}-${d.day.toString().padLeft(2, '0')}';
+
+// Füllt alle Tage des Monats auf
+List<WorkDay> fillMonth(DateTime monthStart, List<WorkDay> existing) {
+  final map = <String, WorkDay>{for (final w in existing) ymd(w.date): w};
+  final nextMonth = DateTime(monthStart.year, monthStart.month + 1, 1);
+  final out = <WorkDay>[];
+  for (DateTime d = monthStart; d.isBefore(nextMonth); d = d.add(const Duration(days: 1))) {
+    final key = ymd(d);
+    final wd = map[key];
+    if (wd != null) {
+      out.add(wd);
+    } else {
+      final isWeekend = d.weekday == DateTime.saturday || d.weekday == DateTime.sunday;
+      final target = isWeekend ? 0 : 8 * 60;
+      out.add(WorkDay(date: d, intervals: const [], targetMinutes: target));
+    }
+  }
+  return out;
+}