重构项目，将项目拆分（临时提交）
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240
DMS.WPF/ViewModels/DeviceDetailViewModel.cs
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240
DMS.WPF/ViewModels/DeviceDetailViewModel.cs
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using System.Collections.ObjectModel;
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using CommunityToolkit.Mvvm.ComponentModel;
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using CommunityToolkit.Mvvm.Input;
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using DMS.Data;
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using DMS.Data.Repositories;
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using DMS.Core.Enums;
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using DMS.Helper;
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using DMS.Models;
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using DMS.Services;
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using Microsoft.Extensions.DependencyInjection;
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namespace DMS.ViewModels;
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public partial class DeviceDetailViewModel : ViewModelBase
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{
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private readonly IDialogService _dialogService;
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private readonly VarTableRepository _varTableRepository;
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private readonly MenuRepository _menuRepository;
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private readonly DataServices _dataServices;
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[ObservableProperty]
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private Device _currentDevice;
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[ObservableProperty]
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private VariableTable _selectedVariableTable;
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public DeviceDetailViewModel(IDialogService dialogService, VarTableRepository varTableRepository,
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MenuRepository menuRepository, DataServices dataServices)
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{
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_dialogService = dialogService;
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_varTableRepository = varTableRepository;
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_menuRepository = menuRepository;
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_dataServices = dataServices;
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}
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public override void OnLoaded()
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{
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// Ensure VariableTables is an ObservableCollection for UI binding
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// if (_curentDevice.VariableTables != null &&
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// !(_curentDevice.VariableTables is ObservableCollection<VariableTable>))
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// {
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// _curentDevice.VariableTables = new ObservableCollection<VariableTable>(_curentDevice.VariableTables);
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// }
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// else if (_curentDevice.VariableTables == null)
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// {
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// _curentDevice.VariableTables = new ObservableCollection<VariableTable>();
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// }
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}
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[RelayCommand]
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private async Task AddVariableTable()
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{
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using var db = DbContext.GetInstance();
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try
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{
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// 1. Show dialog to get new variable table details
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var newVarTable = await _dialogService.ShowAddVarTableDialog();
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if (newVarTable == null) return; // User cancelled
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// 2. Set properties for the new variable table
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newVarTable.DeviceId = CurrentDevice.Id;
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newVarTable.ProtocolType = CurrentDevice.ProtocolType;
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newVarTable.IsActive = true;
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// 3. Find the parent menu for the current device
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var parentMenu = DataServicesHelper.FindMenusForDevice(CurrentDevice, _dataServices.MenuTrees);
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if (parentMenu == null)
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{
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NotificationHelper.ShowError("无法找到当前设备的父级菜单，无法添加变量表菜单。");
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return;
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}
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// 4. Start database transaction
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await db.BeginTranAsync();
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// 5. AddAsync variable table to the database
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var addedVarTable = await _varTableRepository.AddAsync(newVarTable, db);
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// 6. Create and add the corresponding menu item
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var newMenu = new MenuBean
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{
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Name = addedVarTable.Name,
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DataId = addedVarTable.Id,
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Type = MenuType.VariableTableMenu,
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ParentId = parentMenu.Id,
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Icon = iNKORE.UI.WPF.Modern.Common.IconKeys.SegoeFluentIcons.Tablet.Glyph
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};
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await _menuRepository.AddAsync(newMenu, db);
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// 7. Commit transaction
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await db.CommitTranAsync();
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// 8. Update UI
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CurrentDevice?.VariableTables?.Add(addedVarTable);
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MessageHelper.SendLoadMessage(Enums.LoadTypes.Menu); // Refresh the main navigation menu
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NotificationHelper.ShowSuccess($"变量表 {addedVarTable.Name} 添加成功。");
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}
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catch (Exception ex)
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{
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await db.RollbackTranAsync();
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NotificationHelper.ShowError($"添加变量表时发生错误: {ex.Message}", ex);
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}
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}
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[RelayCommand]
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private async Task EditVariableTable()
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{
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if (SelectedVariableTable == null)
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{
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NotificationHelper.ShowInfo("请选择要编辑的变量表。");
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return;
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}
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using var db = DbContext.GetInstance();
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try
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{
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var originalName = SelectedVariableTable.Name; // Store original name for comparison
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var editedVarTable = await _dialogService.ShowEditVarTableDialog(SelectedVariableTable);
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if (editedVarTable == null) return;
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await db.BeginTranAsync();
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// Update variable table in DB
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var result = await _varTableRepository.UpdateAsync(SelectedVariableTable, db);
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if (result > 0)
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{
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// Update corresponding menu item if name changed
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if (originalName != SelectedVariableTable.Name)
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{
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var menu = DataServicesHelper.FindVarTableMenu(SelectedVariableTable.Id, _dataServices.MenuTrees);
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if (menu != null)
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{
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menu.Name = SelectedVariableTable.Name;
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await _menuRepository.UpdateAsync(menu, db);
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}
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}
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await db.CommitTranAsync();
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NotificationHelper.ShowSuccess($"变量表 {SelectedVariableTable.Name} 编辑成功。");
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MessageHelper.SendLoadMessage(Enums.LoadTypes.Menu); // Refresh the main navigation menu
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}
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else
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{
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await db.RollbackTranAsync();
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NotificationHelper.ShowError($"变量表 {SelectedVariableTable.Name} 编辑失败。");
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}
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}
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catch (Exception ex)
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{
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await db.RollbackTranAsync();
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NotificationHelper.ShowError($"编辑变量表时发生错误: {ex.Message}", ex);
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}
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}
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[RelayCommand]
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private async Task DeleteVariableTable()
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{
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if (SelectedVariableTable == null)
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{
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NotificationHelper.ShowInfo("请选择要删除的变量表。");
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return;
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}
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var confirm = await _dialogService.ShowConfrimeDialog(
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"删除确认",
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$"确定要删除变量表 \"{SelectedVariableTable.Name}\" 吗?\n\n此操作将同时删除该变量表下的所有变量数据，且无法恢复！",
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"删除");
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if (!confirm) return;
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using var db = DbContext.GetInstance();
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try
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{
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await db.BeginTranAsync();
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// Find the corresponding menu item
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MenuBean menuToDelete = null;
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if (_dataServices.MenuTrees != null)
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{
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menuToDelete = DataServicesHelper.FindVarTableMenu( SelectedVariableTable.Id,_dataServices.MenuTrees);
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}
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// Delete variable table from DB
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var result = await _varTableRepository.DeleteAsync(SelectedVariableTable, db);
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if (result > 0)
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{
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// Delete corresponding menu item
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if (menuToDelete != null)
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{
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await _menuRepository.DeleteAsync(menuToDelete, db);
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}
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await db.CommitTranAsync();
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var delVarTableName = SelectedVariableTable.Name;
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CurrentDevice?.VariableTables?.Remove(SelectedVariableTable);
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NotificationHelper.ShowSuccess($"变量表 {delVarTableName} 删除成功。");
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MessageHelper.SendLoadMessage(Enums.LoadTypes.Menu); // Refresh the main navigation menu
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}
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else
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{
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await db.RollbackTranAsync();
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NotificationHelper.ShowError($"变量表 {SelectedVariableTable.Name} 删除失败。");
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}
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}
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catch (Exception ex)
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{
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await db.RollbackTranAsync();
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NotificationHelper.ShowError($"删除变量表时发生错误: {ex.Message}", ex);
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}
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}
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// Placeholder for EditDeviceCommand and DeleteDeviceCommand if they are needed here
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[RelayCommand]
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private async Task EditDevice()
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{
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// Implement device editing logic, similar to AddDeviceCommand but for existing device
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NotificationHelper.ShowInfo("编辑设备功能待实现。");
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await Task.CompletedTask;
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}
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[RelayCommand]
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private async Task DeleteDevice()
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{
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// Implement device deletion logic
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NotificationHelper.ShowInfo("删除设备功能待实现。");
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await Task.CompletedTask;
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}
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[RelayCommand]
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private void NavigateToVariableTable()
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{
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if (SelectedVariableTable == null) return;
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var variableTableVm = App.Current.Services.GetRequiredService<VariableTableViewModel>();
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variableTableVm.VariableTable = SelectedVariableTable;
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MessageHelper.SendNavgatorMessage(variableTableVm);
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}
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}
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