From a161378c7208626d7537dac52ad54f148488db13 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Elias=20M=C3=BCller?= <elias@elias-mueller.com>
Date: Mon, 29 May 2023 21:05:50 +0200
Subject: [PATCH] Added grade average calculator
---
.../more/gradeAverages/gradeAverage.dart | 142 ++++++++++++++++++
lib/screen/pages/more/overhang.dart | 12 +-
2 files changed, 149 insertions(+), 5 deletions(-)
create mode 100644 lib/screen/pages/more/gradeAverages/gradeAverage.dart
diff --git a/lib/screen/pages/more/gradeAverages/gradeAverage.dart b/lib/screen/pages/more/gradeAverages/gradeAverage.dart
new file mode 100644
index 0000000..05d8f00
--- /dev/null
+++ b/lib/screen/pages/more/gradeAverages/gradeAverage.dart
@@ -0,0 +1,142 @@
+import 'package:flutter/material.dart';
+
+class GradeAverage extends StatefulWidget {
+ const GradeAverage({Key? key}) : super(key: key);
+
+ @override
+ State<GradeAverage> createState() => _GradeAverageState();
+}
+
+class _GradeAverageState extends State<GradeAverage> {
+ double average = 0;
+ bool gradeSystem = true;
+ List<int> grades = List.empty(growable: true);
+
+ String getGradeDisplay(int grade) {
+ if(gradeSystem) {
+ return "Note $grade";
+ } else {
+ return "$grade Punkt${grade > 1 ? "e" : ""}";
+ }
+ }
+
+ @override
+ Widget build(BuildContext context) {
+ if(grades.isNotEmpty) {
+ average = grades.reduce((a, b) => a + b) / grades.length;
+ } else {
+ average = 0;
+ }
+
+ return Scaffold(
+ appBar: AppBar(
+ title: const Text("Notendurschnittsrechner"),
+ actions: [
+ IconButton(onPressed: () {
+ showDialog(context: context, builder: (context) {
+ return AlertDialog(
+ title: const Text("Noten Zurücksetzen?"),
+ actions: [
+ TextButton(onPressed: () {
+ Navigator.of(context).pop();
+ }, child: const Text("Abbrechen")),
+ TextButton(onPressed: () {
+ grades.clear();
+ setState(() {});
+ Navigator.of(context).pop();
+ }, child: const Text("Zurücksetzen"))
+ ],
+ );
+ });
+ }, icon: const Icon(Icons.delete_forever)),
+ PopupMenuButton<bool>(
+ enableFeedback: true,
+ initialValue: gradeSystem,
+ icon: const Icon(Icons.read_more),
+ itemBuilder: (context) => [true, false].map((e) => PopupMenuItem<bool>(
+ value: e,
+ enabled: e != gradeSystem,
+ child: Row(
+ children: [
+ Text(e ? "Notensystem" : "Punktesystem"),
+ ],
+ ),
+ )).toList(),
+
+ onSelected: (e) {
+ showDialog(context: context, builder: (context) {
+ return AlertDialog(
+ title: const Text("Notensystem wechseln"),
+ content: const Text("Beim wechsel des Notensystems werden alle Einträge zurückgesetzt."),
+ actions: [
+ TextButton(onPressed: () {
+ Navigator.of(context).pop();
+ }, child: const Text("Abbrechen")),
+ TextButton(onPressed: () {
+ setState(() {
+ grades.clear();
+ gradeSystem = e;
+ });
+ Navigator.of(context).pop();
+ }, child: const Text("Fortfahren")),
+ ],
+ );
+ });
+
+ },
+ ),
+ ],
+ ),
+ body: Column(
+ crossAxisAlignment: CrossAxisAlignment.center,
+ mainAxisAlignment: MainAxisAlignment.center,
+ children: [
+ const SizedBox(height: 30),
+ Text(average.toStringAsFixed(2), style: const TextStyle(fontSize: 30, fontWeight: FontWeight.bold)),
+ const SizedBox(height: 10),
+ const Divider(),
+ const SizedBox(height: 10),
+ Expanded(
+ child: ListView.builder(
+ itemBuilder: (context, index) {
+ var grade = gradeSystem ? index + 1 : 14 - index + 1;
+ bool isThis(int e) => e == grade;
+ return ListTile(
+ tileColor: grade.isEven ? Colors.transparent : Colors.transparent.withAlpha(50),
+ title: Center(
+ child: Row(
+ children: [
+ IconButton(
+ onPressed: () {
+ setState(() {
+ if(!grades.any(isThis)) return;
+ grades.removeAt(grades.indexWhere(isThis));
+ });
+ },
+ icon: const Icon(Icons.remove),
+ color: Theme.of(context).colorScheme.onSurface,
+ ),
+ Text(getGradeDisplay(grade)),
+ IconButton(
+ onPressed: () {
+ setState(() {
+ grades.add(grade);
+ });
+ },
+ icon: const Icon(Icons.add),
+ color: Theme.of(context).colorScheme.onSurface,
+ ),
+ ],
+ ),
+ ),
+ trailing: Text("Anzahl: ${grades.where(isThis).length}"),
+ );
+ },
+ itemCount: gradeSystem ? 6 : 15,
+ ),
+ ),
+ ],
+ ),
+ );
+ }
+}
diff --git a/lib/screen/pages/more/overhang.dart b/lib/screen/pages/more/overhang.dart
index 9652d9c..c9e7178 100644
--- a/lib/screen/pages/more/overhang.dart
+++ b/lib/screen/pages/more/overhang.dart
@@ -1,11 +1,13 @@
+import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
+import 'package:marianum_mobile/screen/pages/more/countdown/countdown.dart';
+import 'package:marianum_mobile/screen/pages/more/gradeAverages/gradeAverage.dart';
import 'package:marianum_mobile/screen/pages/more/roomplan/roomplan.dart';
import 'package:marianum_mobile/screen/settings/settings.dart';
import 'package:persistent_bottom_nav_bar/persistent_tab_view.dart';
import '../../../widget/ListItem.dart';
-import 'debug/ThemeColors.dart';
import 'message/message.dart';
class Overhang extends StatelessWidget {
@@ -21,12 +23,12 @@ class Overhang extends StatelessWidget {
],
),
body: ListView(
- children: [
+ children: const [
ListItemNavigator(icon: Icons.newspaper, text: "Marianum Message", target: Message()),
ListItemNavigator(icon: Icons.room, text: "Raumplan", target: Roomplan()),
- ListItemNavigator(icon: Icons.calendar_month, text: "Schulferien", target: Roomplan()),
- ListItemNavigator(icon: Icons.calculate, text: "Notendurschnitts rechner", target: Roomplan()),
- ListItemNavigator(icon: Icons.color_lens_outlined, text: "Farbtest", target: ColorPreviewPage())
+ ListItemNavigator(icon: Icons.calculate, text: "Notendurschnitts rechner", target: GradeAverage()),
+ if(!kReleaseMode) ListItemNavigator(icon: Icons.calendar_month, text: "Schulferien", target: Roomplan()),
+ if(!kReleaseMode) ListItemNavigator(icon: Icons.timer, text: "Countdown", target: Countdown()),
],
),
);