新增触发器与持久化

BetterGenshinImpact/ViewModel/Windows/GearTask/AddTriggerDialogViewModel.cs

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+using System;
+using System.Collections.ObjectModel;
+using System.Linq;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using BetterGenshinImpact.ViewModel.Pages.Component;
+using BetterGenshinImpact.Model.Gear.Triggers;
+using BetterGenshinImpact.Model;
+using BetterGenshinImpact.Service;
+using Microsoft.Extensions.Logging;
+using Wpf.Ui.Violeta.Controls;
+
+namespace BetterGenshinImpact.ViewModel.Windows.GearTask;
+
+/// <summary>
+/// 新增触发器对话框 ViewModel
+/// </summary>
+public partial class AddTriggerDialogViewModel : ObservableObject
+{
+    private readonly GearTaskStorageService _storageService;
+    private readonly ILogger<AddTriggerDialogViewModel> _logger;
+
+    [ObservableProperty]
+    private string _triggerName = string.Empty;
+
+    [ObservableProperty]
+    private TriggerType _selectedTriggerType = TriggerType.Timed;
+
+    [ObservableProperty]
+    private string _cronExpression = "0 0 8 * * ?"; // 默认每天8点
+
+    [ObservableProperty]
+    private HotKey? _selectedHotkey;
+
+    [ObservableProperty]
+    private string _selectedTaskDefinitionName = string.Empty;
+
+    [ObservableProperty]
+    private bool _isEnabled = true;
+
+    /// <summary>
+    /// 触发器类型选择是否可用
+    /// </summary>
+    [ObservableProperty]
+    private bool _isTriggerTypeSelectionEnabled = true;
+
+    /// <summary>
+    /// 可用的触发器类型
+    /// </summary>
+    public ObservableCollection<EnumItem<TriggerType>> TriggerTypes { get; } = new()
+    {
+        EnumItem<TriggerType>.Create(TriggerType.Timed),
+        EnumItem<TriggerType>.Create(TriggerType.Hotkey)
+    };
+
+    /// <summary>
+    /// 可用的任务定义列表
+    /// </summary>
+    [ObservableProperty]
+    private ObservableCollection<string> _availableTaskDefinitions = new();
+
+    /// <summary>
+    /// 请求关闭事件
+    /// </summary>
+    public event EventHandler<bool>? RequestClose;
+
+    /// <summary>
+    /// 创建的触发器
+    /// </summary>
+    public GearTriggerViewModel? CreatedTrigger { get; private set; }
+
+    public AddTriggerDialogViewModel(GearTaskStorageService storageService, ILogger<AddTriggerDialogViewModel> logger)
+    {
+        _storageService = storageService;
+        _logger = logger;
+        
+        // 生成默认名称
+        GenerateDefaultName();
+        
+        // 加载可用的任务定义
+        LoadAvailableTaskDefinitions();
+    }
+
+    /// <summary>
+    /// 构造函数，用于指定触发器类型
+    /// </summary>
+    public AddTriggerDialogViewModel(GearTaskStorageService storageService, ILogger<AddTriggerDialogViewModel> logger, TriggerType? predefinedType = null)
+    {
+        _storageService = storageService;
+        _logger = logger;
+        
+        // 如果指定了预定义类型，则设置并禁用选择
+        if (predefinedType.HasValue)
+        {
+            SelectedTriggerType = predefinedType.Value;
+            IsTriggerTypeSelectionEnabled = false;
+        }
+        
+        // 生成默认名称
+        GenerateDefaultName();
+        
+        // 加载可用的任务定义
+        LoadAvailableTaskDefinitions();
+    }
+
+    /// <summary>
+    /// 生成默认触发器名称
+    /// </summary>
+    private void GenerateDefaultName()
+    {
+        var typeName = SelectedTriggerType == TriggerType.Timed ? "定时触发器" : "热键触发器";
+        TriggerName = $"{typeName} {DateTime.Now:MMdd_HHmm}";
+    }
+
+    /// <summary>
+    /// 加载可用的任务定义
+    /// </summary>
+    private async void LoadAvailableTaskDefinitions()
+    {
+        try
+        {
+            AvailableTaskDefinitions.Clear();
+            
+            // 从 GearTaskStorageService 加载所有任务定义
+            var taskDefinitions = await _storageService.LoadAllTaskDefinitionsAsync();
+            
+            // 提取任务定义名称并添加到列表中
+            foreach (var taskDefinition in taskDefinitions)
+            {
+                if (!string.IsNullOrWhiteSpace(taskDefinition.Name))
+                {
+                    AvailableTaskDefinitions.Add(taskDefinition.Name);
+                }
+            }
+            
+            _logger.LogInformation("已加载 {Count} 个可用的任务定义", AvailableTaskDefinitions.Count);
+            
+            // 如果有任务定义，默认选择第一个
+            if (AvailableTaskDefinitions.Count > 0)
+            {
+                SelectedTaskDefinitionName = AvailableTaskDefinitions[0];
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogDebug(ex, "加载可用任务定义时发生错误");
+            
+            // 发生错误时添加一个提示项
+            AvailableTaskDefinitions.Clear();
+            AvailableTaskDefinitions.Add("(无可用任务定义)");
+        }
+    }
+
+    /// <summary>
+    /// 触发器类型改变时的处理
+    /// </summary>
+    partial void OnSelectedTriggerTypeChanged(TriggerType value)
+    {
+        GenerateDefaultName();
+    }
+
+    /// <summary>
+    /// 确认创建触发器
+    /// </summary>
+    [RelayCommand]
+    private void Confirm()
+    {
+        if (string.IsNullOrWhiteSpace(TriggerName))
+        {
+            Toast.Error("请输入触发器名称");
+            return;
+        }
+
+        if (SelectedTriggerType == TriggerType.Timed && string.IsNullOrWhiteSpace(CronExpression))
+        {
+            Toast.Error("请输入 Cron 表达式");
+            return;
+        }
+
+        if (SelectedTriggerType == TriggerType.Hotkey && SelectedHotkey == null)
+        {
+            Toast.Error("请选择热键");
+            return;
+        }
+
+        // 创建触发器 ViewModel
+        CreatedTrigger = new GearTriggerViewModel(TriggerName, SelectedTriggerType)
+        {
+            IsEnabled = IsEnabled,
+            TaskDefinitionName = SelectedTaskDefinitionName,
+            CronExpression = SelectedTriggerType == TriggerType.Timed ? CronExpression : null,
+            Hotkey = SelectedTriggerType == TriggerType.Hotkey ? SelectedHotkey : null
+        };
+
+        RequestClose?.Invoke(this, true);
+    }
+
+    /// <summary>
+    /// 取消创建
+    /// </summary>
+    [RelayCommand]
+    private void Cancel()
+    {
+        RequestClose?.Invoke(this, false);
+    }
+
+    /// <summary>
+    /// 选择热键
+    /// </summary>
+    [RelayCommand]
+    private void SelectHotkey()
+    {
+        // TODO: 打开热键选择对话框
+        // 这里先创建一个示例热键
+        SelectedHotkey = new HotKey(System.Windows.Input.Key.F1, System.Windows.Input.ModifierKeys.Control);
+    }
+}