添加项目文件。
This commit is contained in:
ShaoHua
@@ -0,0 +1,70 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text.Json;
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using System.Threading.Tasks;
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using TodoList.Models;
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namespace TodoList.Services
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{
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public class FileDataService : IDataService
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{
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private readonly string _filePath;
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public FileDataService()
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{
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var appData = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
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var folder = Path.Combine(appData, "TodoListApp");
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Directory.CreateDirectory(folder);
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_filePath = Path.Combine(folder, "tasks.json");
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}
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public async Task<List<TodoItem>> LoadTasksAsync()
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{
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if (!File.Exists(_filePath))
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{
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return new List<TodoItem>();
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}
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try
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{
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using var stream = File.OpenRead(_filePath);
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var items = await JsonSerializer.DeserializeAsync<List<TodoItem>>(stream);
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return items ?? new List<TodoItem>();
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}
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catch
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{
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return new List<TodoItem>();
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}
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}
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public async Task SaveTaskAsync(TodoItem task)
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{
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var tasks = await LoadTasksAsync();
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var existing = tasks.Find(t => t.Id == task.Id);
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if (existing != null)
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{
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tasks.Remove(existing);
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}
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tasks.Add(task);
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await SaveAllAsync(tasks);
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}
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public async Task SaveAllAsync(List<TodoItem> tasks)
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{
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using var stream = File.Create(_filePath);
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await JsonSerializer.SerializeAsync(stream, tasks, new JsonSerializerOptions { WriteIndented = true });
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}
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public async Task DeleteTaskAsync(string id)
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{
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var tasks = await LoadTasksAsync();
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var existing = tasks.Find(t => t.Id == id);
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if (existing != null)
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{
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tasks.Remove(existing);
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await SaveAllAsync(tasks);
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}
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}
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}
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}
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@@ -0,0 +1,127 @@
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using System;
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using System.Runtime.InteropServices;
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using System.Windows.Input;
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using System.Windows.Interop;
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namespace TodoList.Services
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{
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public class GlobalShortcutService : IDisposable
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{
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private const int HOTKEY_ID = 9000;
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public const uint MOD_ALT = 0x0001;
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public const uint MOD_CONTROL = 0x0002;
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public const uint MOD_SHIFT = 0x0004;
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public const uint MOD_WIN = 0x0008;
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[DllImport("user32.dll")]
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private static extern bool RegisterHotKey(IntPtr hWnd, int id, uint fsModifiers, uint vk);
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[DllImport("user32.dll")]
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private static extern bool UnregisterHotKey(IntPtr hWnd, int id);
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private IntPtr _windowHandle;
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private HwndSource _source;
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private Action _onHotKeyPressed;
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private bool _isRegistered;
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public void Register(IntPtr windowHandle, Action onHotKeyPressed, uint modifiers, uint key)
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{
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// If already registered, unregister first (to support updating)
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if (_isRegistered)
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{
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UnregisterHotKey(_windowHandle, HOTKEY_ID);
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_source?.RemoveHook(HwndHook);
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_isRegistered = false;
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}
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_windowHandle = windowHandle;
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_onHotKeyPressed = onHotKeyPressed;
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_source = HwndSource.FromHwnd(_windowHandle);
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if (_source == null) return; // Should not happen if handle is valid
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_source.AddHook(HwndHook);
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if (RegisterHotKey(_windowHandle, HOTKEY_ID, modifiers, key))
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{
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_isRegistered = true;
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}
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else
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{
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System.Diagnostics.Debug.WriteLine("Failed to register hotkey.");
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}
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}
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public void UpdateShortcut(uint modifiers, uint key)
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{
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if (_windowHandle != IntPtr.Zero && _onHotKeyPressed != null)
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{
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// Re-register with new keys
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Register(_windowHandle, _onHotKeyPressed, modifiers, key);
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}
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}
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private IntPtr HwndHook(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
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{
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const int WM_HOTKEY = 0x0312;
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if (msg == WM_HOTKEY)
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{
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if (wParam.ToInt32() == HOTKEY_ID)
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{
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_onHotKeyPressed?.Invoke();
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handled = true;
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}
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}
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return IntPtr.Zero;
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}
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public void Unregister()
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{
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if (_isRegistered)
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{
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_source?.RemoveHook(HwndHook);
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UnregisterHotKey(_windowHandle, HOTKEY_ID);
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_isRegistered = false;
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}
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}
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public void Dispose()
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{
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Unregister();
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}
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public static uint GetModifier(string modifiers)
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{
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uint mod = 0;
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if (string.IsNullOrEmpty(modifiers)) return mod;
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var parts = modifiers.Split(',');
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foreach (var part in parts)
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{
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var p = part.Trim();
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if (p.Equals("Control", StringComparison.OrdinalIgnoreCase)) mod |= MOD_CONTROL;
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if (p.Equals("Alt", StringComparison.OrdinalIgnoreCase)) mod |= MOD_ALT;
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if (p.Equals("Shift", StringComparison.OrdinalIgnoreCase)) mod |= MOD_SHIFT;
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if (p.Equals("Windows", StringComparison.OrdinalIgnoreCase)) mod |= MOD_WIN;
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}
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return mod;
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}
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public static uint GetKey(string key)
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{
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if (Enum.TryParse<Key>(key, out var k))
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{
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return (uint)KeyInterop.VirtualKeyFromKey(k);
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}
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// Fallback for simple letters if Key enum doesn't match directly (though it should for A-Z)
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if (key.Length == 1)
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{
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char c = char.ToUpper(key[0]);
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if (c >= 'A' && c <= 'Z') return (uint)c;
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if (c >= '0' && c <= '9') return (uint)c;
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}
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return 0x41; // Default 'A'
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}
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}
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}
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@@ -0,0 +1,14 @@
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using System.Collections.Generic;
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using System.Threading.Tasks;
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using TodoList.Models;
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namespace TodoList.Services
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{
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public interface IDataService
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{
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Task<List<TodoItem>> LoadTasksAsync();
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Task SaveTaskAsync(TodoItem task);
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Task SaveAllAsync(List<TodoItem> tasks);
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Task DeleteTaskAsync(string id);
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}
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}
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@@ -0,0 +1,56 @@
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using System;
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using System.IO;
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using System.Text.Json;
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using System.Threading.Tasks;
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using CommunityToolkit.Mvvm.ComponentModel;
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namespace TodoList.Services
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{
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public partial class AppSettings : ObservableObject
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{
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[ObservableProperty]
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private string shortcutModifiers = "Control,Alt"; // Comma separated
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[ObservableProperty]
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private string shortcutKey = "A";
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}
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public class SettingsService
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{
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private readonly string _filePath;
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public AppSettings Settings { get; private set; }
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public SettingsService()
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{
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var appData = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData);
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var folder = Path.Combine(appData, "TodoListApp");
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Directory.CreateDirectory(folder);
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_filePath = Path.Combine(folder, "settings.json");
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Settings = LoadSettings();
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}
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private AppSettings LoadSettings()
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{
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if (!File.Exists(_filePath)) return new AppSettings();
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try
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{
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var json = File.ReadAllText(_filePath);
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return JsonSerializer.Deserialize<AppSettings>(json) ?? new AppSettings();
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}
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catch
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{
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return new AppSettings();
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}
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}
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public void SaveSettings()
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{
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try
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{
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var json = JsonSerializer.Serialize(Settings, new JsonSerializerOptions { WriteIndented = true });
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File.WriteAllText(_filePath, json);
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}
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catch { }
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}
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}
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}
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