142 lines
3.4 KiB
Dart
142 lines
3.4 KiB
Dart
import 'dart:io';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import 'package:todoapp/elems/filehandler.dart';
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import 'package:todoapp/elems/todo.dart';
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import 'package:todoapp/elems/todolist.dart';
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import 'package:todoapp/modules/todolistwidget.dart';
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import 'package:todoapp/modules/todowidget.dart';
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class TodoProvider extends ChangeNotifier {
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TodoProvider() {}
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Future<void> readListsFromDisk() async {
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Map js = await FileHandler.fileContent;
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for (String key in js.keys) {
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todoLists[key] = TodoList(title: key, widget: buildTodoListWidget(key), todos: []);
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for (String key2 in js[key].keys) {
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todoLists[key]!.todos.add(Todo(title: key2, widget: buildTodoWidget(key2, js[key][key2]), checked: js[key][key2]));
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}
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}
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todos = todoLists[selectedList]!.todos;
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notifyListeners();
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}
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Map<String, TodoList> todoLists = {};
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List<Todo> todos = [];
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String selectedList = "Personal";
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void renameList(String oldTitle, String newTitle) async {
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TodoList tempList = todoLists[oldTitle]!;
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tempList.title = newTitle;
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tempList.widget = buildTodoListWidget(newTitle);
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todoLists.remove(oldTitle);
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todoLists[newTitle] = tempList;
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selectedList = newTitle;
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todos = todoLists[newTitle]!.todos;
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await FileHandler.renameList(oldTitle, newTitle);
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notifyListeners();
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}
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void removeList(String title) async {
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todoLists.remove(title);
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selectedList = "Personal";
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todos = todoLists["Personal"]!.todos;
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await FileHandler.removeList(title);
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notifyListeners();
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}
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void addList(String title) async {
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TodoList list =
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TodoList(title: title, widget: buildTodoListWidget(title), todos: []);
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todoLists[title] = list;
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await FileHandler.addList(title);
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notifyListeners();
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}
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void changeList(String title) {
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if (!todoLists.containsKey(title)) {
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return;
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}
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selectedList = title;
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todos = todoLists[title]!.todos;
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notifyListeners();
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}
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Future<void> writeTodoChanges() async {
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Map js = {};
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for (Todo t in todos) {
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js[t.title] = t.checked;
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}
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print(js);
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await FileHandler.saveList(js, selectedList);
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}
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void addTodo(String title) async {
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todos.add(Todo(
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title: title, checked: false, widget: buildTodoWidget(title, false)));
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await writeTodoChanges();
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notifyListeners();
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}
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void removeTodo(String title) async {
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Todo todo = todoByTitle(title);
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todos.remove(todo);
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await writeTodoChanges();
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notifyListeners();
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}
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void updateTodo(String oldTitle, String newTitle) async {
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Todo todo = todoByTitle(oldTitle);
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todo.title = newTitle;
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todo.widget = buildTodoWidget(newTitle, todo.checked);
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await writeTodoChanges();
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notifyListeners();
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}
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void setTodoState(String title, bool checked) async {
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Todo todo = todoByTitle(title);
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todo.checked = checked;
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todo.widget = buildTodoWidget(title, checked);
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await writeTodoChanges();
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notifyListeners();
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}
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TodoListWidget buildTodoListWidget(String title) {
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return TodoListWidget(title: title);
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}
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TodoWidget buildTodoWidget(String title, bool checked) {
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return TodoWidget(checked: checked, title: title);
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}
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Todo todoByTitle(String title) {
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for (Todo t in todos) {
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if (t.title == title) {
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return t;
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}
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}
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return Todo(title: "None", widget: const SizedBox(), checked: false);
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}
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}
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