46 lines
1.1 KiB
Dart
46 lines
1.1 KiB
Dart
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import 'package:flutter/foundation.dart';
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import '../models/todo.dart';
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class ToDoProvider with ChangeNotifier {
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List<ToDo> _todos = [];
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List<ToDo> get todos => _todos;
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void addTask(ToDo todo) {
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_todos.add(todo);
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notifyListeners();
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}
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void removeTask(int index) {
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_todos.removeAt(index);
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notifyListeners();
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}
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void toggleCompletion(int index) {
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_todos[index].isCompleted = !_todos[index].isCompleted;
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notifyListeners();
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}
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// Sortierlogik für Deadline
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void sortByDeadline() {
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_todos.sort((a, b) {
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if (a.deadline == null) return 1; // Tasks without deadline should come last
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if (b.deadline == null) return -1;
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return a.deadline!.compareTo(b.deadline!);
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});
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notifyListeners();
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}
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// Sortierlogik für Priorität
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void sortByPriority() {
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Map<String, int> priorityMap = {'High': 1, 'Medium': 2, 'Low': 3};
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_todos.sort((a, b) => priorityMap[a.priority]!.compareTo(priorityMap[b.priority]!));
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notifyListeners();
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}
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// Sortierlogik für Status
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void sortByStatus() {
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_todos.sort((a, b) => a.isCompleted ? 1 : -1); // Uncompleted first
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notifyListeners();
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}
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}
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