608 lines
20 KiB
C#
608 lines
20 KiB
C#
using HandyControl.Controls;
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using HandyControl.Tools.Extension;
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using SqlSugar;
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using System.Diagnostics;
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using System.Windows;
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using YY.Admin.Core;
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using YY.Admin.Core.Extension;
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using YY.Admin.Core.Helper;
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using YY.Admin.Services.Service;
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using YY.Admin.Services.Service.User;
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using YY.Admin.ViewModels.Control;
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using YY.Admin.Views.SysManage;
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namespace YY.Admin.ViewModels.SysManage
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{
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public class UserManagementViewModel : BaseViewModel
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{
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private PaginationDataGridViewModel<UserOutput> _paginationDataGridViewModel;
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private PageUserInput _userInput;
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private readonly ISysUserService _sysUserService;
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private readonly IDialogService _dialogService;
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private SubscriptionToken? _jeecgSyncToken;
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public PaginationDataGridViewModel<UserOutput> PaginationDataGridViewModel
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{
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get => _paginationDataGridViewModel;
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set => SetProperty(ref _paginationDataGridViewModel, value);
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}
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public PageUserInput UserInput
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{ get => _userInput;
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set => SetProperty(ref _userInput, value);
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}
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// 性别枚举列表属性
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public List<GenderEnum> GenderList =>
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[.. Enum.GetValues(typeof(GenderEnum)).Cast<GenderEnum>()];
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// 状态枚举列表属性
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public List<KeyValuePair<string, int>> StatusList =>
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Enum.GetValues(typeof(StatusEnum))
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.Cast<StatusEnum>()
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.Select(e => new KeyValuePair<string, int>(e.GetDescription(), (int)e))
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.ToList();
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// 全选
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//private bool? _isAllSelected = false;
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//public bool? IsAllSelected
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//{
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// get => _isAllSelected;
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// set
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// {
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// if (SetProperty(ref _isAllSelected, value) && value.HasValue)
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// {
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// // 只有当值真正改变时才执行全选逻辑
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// SelectAll(value.Value);
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// }
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// }
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//}
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// 选中用户数量
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private int _selectedCount;
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public int SelectedCount
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{
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get => _selectedCount;
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set
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{
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if (SetProperty(ref _selectedCount, value))
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{
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// 当 SelectedCount 变化时，触发 HasSelectedItems 通知
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RaisePropertyChanged(nameof(HasSelectedItems));
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}
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}
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}
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// 是否有选中项
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public bool HasSelectedItems => SelectedCount > 0;
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// 批量删除
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public DelegateCommand BatchDeleteCommand { get; private set; }
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// 单个删除
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public DelegateCommand<long?> DeleteCommand { get; private set; }
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// 查询
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public DelegateCommand SearchCommand { get; private set; }
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public DelegateCommand ResetCommand { get; private set; }
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public DelegateCommand AddCommand { get; private set; }
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public DelegateCommand<UserOutput> EditCommand { get; private set; }
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public DelegateCommand<UserOutput> StatusToggleCommand { get; private set; }
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// 行选择改变命令
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//public DelegateCommand<UserOutput> RowSelectionChangedCommand { get; private set; }
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public UserManagementViewModel(
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ISysUserService sysUserService,
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IContainerExtension container,
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IDialogService dialogService,
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IRegionManager regionManager
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) : base(container, regionManager)
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{
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_sysUserService= sysUserService;
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_dialogService = dialogService;
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// 创建分页控件的 ViewModel，传递一个获取数据的委托
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_paginationDataGridViewModel = new PaginationDataGridViewModel<UserOutput>(FetchUsersAsync);
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_userInput = new PageUserInput();
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// 初始化批量删除命令
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BatchDeleteCommand = new DelegateCommand(async () => await BatchDelete(),
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() => HasSelectedItems);
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DeleteCommand = new DelegateCommand<long?>(async (id) => {
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if (id.HasValue)
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{
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await Delete(id.Value);
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}
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});
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SearchCommand = new DelegateCommand(async () => await ReadAsync());
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ResetCommand = new DelegateCommand(async () => await ResetFormAsync());
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AddCommand = new DelegateCommand(async () => await ShowAddDialog());
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EditCommand = new DelegateCommand<UserOutput>(async (user) => await ShowEditDialog(user));
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StatusToggleCommand = new DelegateCommand<UserOutput>(async (user) => await ToggleStatus(user));
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//RowSelectionChangedCommand = new DelegateCommand<UserOutput>(OnRowSelectionChanged);
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// 监听数据变化
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//PaginationDataGridViewModel.PropertyChanged += OnPaginationDataChanged;
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//_ = PaginationDataGridViewModel.LoadDataAsync(); // 默认加载第一页数据
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//_dataList = GetDemoDataList(10);
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// 启动异步初始化，但不等待
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_ = InitializeAsync();
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// Jeecg 同构用户表同步完成后，自动刷新当前列表
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_jeecgSyncToken = _eventAggregator
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.GetEvent<SysUserEvents.JeecgMirrorUsersSyncedEvent>()
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.Subscribe(async _ =>
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{
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await PaginationDataGridViewModel.LoadDataAsync();
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}, ThreadOption.UIThread);
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}
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private async Task InitializeAsync()
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{
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try
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{
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// 不阻塞UI线程，让UI先渲染（效果就是先看到界面，然后再加载表格数据，提升用户体验）
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await UIHelper.WaitForRenderAsync();
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// 然后异步加载数据
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await PaginationDataGridViewModel.LoadDataAsync();
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}
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catch (Exception ex)
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{
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Debug.WriteLine($"初始化失败: {ex.Message}");
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}
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}
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protected override void CleanUp()
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{
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base.CleanUp();
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if (_jeecgSyncToken != null)
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{
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_eventAggregator.GetEvent<SysUserEvents.JeecgMirrorUsersSyncedEvent>().Unsubscribe(_jeecgSyncToken);
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_jeecgSyncToken = null;
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}
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}
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// 行选择改变事件处理
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//private void OnRowSelectionChanged(UserOutput user)
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//{
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// if (user == null) return;
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// user.IsSelected = !user.IsSelected;
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// // 更新选中数量
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// UpdateSelectedCount();
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// // 更新全选状态
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// UpdateSelectAllStatus();
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// // 更新批量删除命令状态
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// BatchDeleteCommand.RaiseCanExecuteChanged();
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// // 调试输出
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// //System.Diagnostics.Debug.WriteLine($"用户 {user.UserName} 选中状态: {user.IsSelected}");
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//}
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//private void OnPaginationDataChanged(object sender, PropertyChangedEventArgs e)
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//{
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// if (e.PropertyName == nameof(PaginationDataGridViewModel.Data))
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// {
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// RegisterSelectionEvents();
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// UpdateSelectedCount();
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// }
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//}
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// 注册选择事件监听
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//private void RegisterSelectionEvents()
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//{
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// if (PaginationDataGridViewModel.Data == null) return;
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// foreach (var user in PaginationDataGridViewModel.Data.OfType<UserOutput>())
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// {
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// user.SelectionChanged -= OnUserSelectionChanged;
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// user.SelectionChanged += OnUserSelectionChanged;
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// }
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//}
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//private void OnUserSelectionChanged(object sender, EventArgs e)
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//{
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// UpdateSelectedCount();
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// // 更新全选状态
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// UpdateSelectAllStatus();
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// BatchDeleteCommand.RaiseCanExecuteChanged();
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//}
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public void UpdateSelectionState()
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{
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UpdateSelectedCount();
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//UpdateSelectAllStatus();
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BatchDeleteCommand.RaiseCanExecuteChanged();
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}
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// 更新选中数量
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private void UpdateSelectedCount()
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{
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if (PaginationDataGridViewModel.Data == null)
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{
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SelectedCount = 0;
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return;
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}
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SelectedCount = PaginationDataGridViewModel.Data.Count(user =>
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user is UserOutput output && output.IsSelected);
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}
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// 获取选中的用户ID列表
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private List<long> GetSelectedUserIds()
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{
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if (PaginationDataGridViewModel.Data == null)
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return new List<long>();
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return PaginationDataGridViewModel.Data
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.Where(user => user is UserOutput output && output.IsSelected)
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.Select(user => (user as UserOutput).Id)
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.ToList();
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}
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// 批量删除执行方法
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private async Task BatchDelete()
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{
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var selectedUserIds = GetSelectedUserIds();
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if (selectedUserIds.Count == 0) return;
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var messageBoxResult = HandyControl.Controls.MessageBox.Show(
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$"确定要删除选中的 {selectedUserIds.Count} 个用户吗？此操作不可恢复！",
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"确认删除",
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MessageBoxButton.OKCancel,
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MessageBoxImage.Question);
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if (messageBoxResult != MessageBoxResult.OK) return;
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int count = await _sysUserService.BatchDeleteAsync(selectedUserIds);
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if (count > 0)
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{
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PaginationDataGridViewModel.PageIndex = 1;
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await PaginationDataGridViewModel.LoadDataAsync();
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}
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// 1. 准备传递给对话框的参数
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//var parameters = new DialogParameters();
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//parameters.Add("Title", "操作确认");
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//parameters.Add("Message", "确定要执行此操作吗？");
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//parameters.Add("ConfirmButtonText", "确认"); // 可选：自定义确认按钮文本
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//parameters.Add("CancelButtonText", "取消"); // 可选：自定义取消按钮文本
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// 2. 显示对话框并处理返回结果
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//_dialogService.ShowDialog(
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// "ConfirmDialog", // 注册时使用的对话框名称
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// parameters,
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// result =>
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// {
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// // 3. 根据对话框返回结果执行后续逻辑
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// if (result.Result == ButtonResult.OK)
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// {
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// // 用户点击了确认按钮
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// //ExecuteConfirmedAction();
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// }
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// else if (result.Result == ButtonResult.Cancel)
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// {
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// // 用户点击了取消按钮
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// //ExecuteCancelledAction();
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// }
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// }
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//);
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}
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// 删除执行方法
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private async Task Delete(long id)
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{
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var messageBoxResult = HandyControl.Controls.MessageBox.Show(
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$"确定删除ID为 {id} 的用户吗？此操作不可恢复！",
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"确认删除",
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MessageBoxButton.OKCancel,
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MessageBoxImage.Question,
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MessageBoxResult.No);
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if (messageBoxResult != MessageBoxResult.OK) return;
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int count = await _sysUserService.DeleteAsync(id);
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if (count > 0)
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{
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PaginationDataGridViewModel.PageIndex = 1;
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await PaginationDataGridViewModel.LoadDataAsync();
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}
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}
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private async Task<(IEnumerable<UserOutput> data, int totalCount)> FetchUsersAsync()
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{
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if (UserInput.EndTime.HasValue && UserInput.EndTime.HasValue && UserInput.EndTime < UserInput.BeginTime)
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{
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HandyControl.Controls.MessageBox.Error("开始时间不能大于结束时间！");
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//return (PaginationDataGridViewModel.Data, PaginationDataGridViewModel.TotalCount);
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throw new OperationCanceledException("时间条件不合法，取消查询");
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}
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UserInput.Page = PaginationDataGridViewModel.PageIndex;
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UserInput.PageSize = PaginationDataGridViewModel.DataCountPerPage;
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// 延迟10秒
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//await Task.Delay(10000);
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var rlt = await _sysUserService.PageAsync(UserInput);
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return (rlt.Items, rlt.Total); // 返回分页数据和总条目数
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}
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private async Task ReadAsync()
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{
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PaginationDataGridViewModel.PageIndex = 1;
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await PaginationDataGridViewModel.LoadDataAsync();
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}
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public async Task ResetFormAsync()
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{
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UserInput = new PageUserInput();
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// 立即更新UI
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await UIHelper.WaitForRenderAsync();
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await ReadAsync();
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}
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// 显示新增对话框
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private async Task ShowAddDialog()
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{
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try
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{
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//var vm = new UserEditDialogViewModel(_sysUserService, _container);
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//var view = new UserEditDialogView { DataContext = vm };
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var result = await HandyControl.Controls.Dialog.Show<UserEditDialogView>()
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.Initialize<UserEditDialogViewModel>(v => v.InitializeForAdd())
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.GetResultAsync<bool>();
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// 使用泛型方式，通过 Initialize 方法设置数据
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//var result = await HandyControl.Controls.Dialog.Show<UserEditDialogView>()
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// .Initialize<UserEditDialogViewModel>(vm =>
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// {
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// vm.InitializeForAdd();
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// })
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// .GetResultAsync<bool?>();
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if (result)
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{
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await PaginationDataGridViewModel.LoadDataAsync();
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//Growl.Success("用户新增成功！");
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}
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}
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catch (Exception ex)
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{
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Growl.Error($"打开对话框失败：{ex.Message}");
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}
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}
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// 显示编辑对话框
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private async Task ShowEditDialog(UserOutput user)
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{
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if (user == null) return;
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try
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{
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var result = await HandyControl.Controls.Dialog.Show<UserEditDialogView>()
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.Initialize<UserEditDialogViewModel>(vm =>
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{
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vm.InitializeForEdit(user);
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})
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.GetResultAsync<bool>();
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if (result)
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{
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await PaginationDataGridViewModel.LoadDataAsync();
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//Growl.Success("用户修改成功！");
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}
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}
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catch (Exception ex)
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{
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Growl.Error($"打开对话框失败：{ex.Message}");
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}
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}
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private async Task ToggleStatus(UserOutput user)
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{
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if (user == null) return;
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// 保存原始状态以便回滚
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var originalStatus = user.Status;
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try
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{
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// 先切换本地状态（提供即时反馈）
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user.Status = originalStatus == StatusEnum.Enable
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? StatusEnum.Disable
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: StatusEnum.Enable;
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SysUser sysUser = new SysUser();
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sysUser.Id = user.Id;
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sysUser.Status = user.Status;
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int count = await _sysUserService.ToggleStatus(sysUser);
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if (count <= 0)
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{
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// 如果服务调用失败，回滚状态
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user.Status = originalStatus;
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Growl.Warning("状态切换失败");
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}
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} catch (Exception)
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{
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user.Status = originalStatus;
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Growl.Warning("状态切换失败");
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}
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}
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// 全选/取消全选方法
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//private void SelectAll(bool isSelected)
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//{
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// if (PaginationDataGridViewModel?.Data == null) return;
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// foreach (var user in PaginationDataGridViewModel.Data.OfType<UserOutput>())
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// {
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// user.IsSelected = isSelected;
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// }
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// // 更新选中数量
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// UpdateSelectedCount();
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//}
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// 更新全选状态（根据当前选中情况）
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//public void UpdateSelectAllStatus()
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//{
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// if (PaginationDataGridViewModel?.Data == null || !PaginationDataGridViewModel.Data.Any())
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// {
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// IsAllSelected = false;
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// return;
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// }
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// var selectedCount = PaginationDataGridViewModel.Data.Count(user =>
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// user is UserOutput output && output.IsSelected);
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// var totalCount = PaginationDataGridViewModel.Data.Count;
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// if (selectedCount == 0)
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// {
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// IsAllSelected = false;
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// }
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// else if (selectedCount == totalCount)
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// {
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// IsAllSelected = true;
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// }
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// else
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// {
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// IsAllSelected = null; // 部分选中状态
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// }
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//}
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//private string _searchText;
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//public string SearchText
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//{
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// get => _searchText;
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// set
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// {
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// if (SetProperty(ref _searchText, value))
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// {
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// Debug.WriteLine($"SearchText Updated: {value}");
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// FilterItems(value);
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// }
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// }
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//}
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//private DemoDataModel? _selectedItem;
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//public DemoDataModel? SelectedItem
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//{
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// get => _selectedItem;
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// set
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// {
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// if (SetProperty(ref _selectedItem, value))
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// {
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// Debug.WriteLine($"SelectedItem Updated: {value}");
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// }
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// }
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//}
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//// 修改 Items 属性为 ManualObservableCollection
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//private ManualObservableCollection<DemoDataModel> _items = new();
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//public ManualObservableCollection<DemoDataModel> Items
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//{
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// get => _items;
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// set => SetProperty(ref _items, value);
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//}
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//private readonly List<DemoDataModel> _dataList;
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//private void FilterItems(string key)
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//{
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// //Items.CanNotify = false;
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// Items.Clear();
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// foreach (var data in _dataList)
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// {
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// if (data.Name.ToLower().Contains(key.ToLower()))
|
||
// {
|
||
// Items.Add(data);
|
||
// }
|
||
// }
|
||
|
||
// //RaisePropertyChanged(nameof(Items));
|
||
// //Items.CanNotify = true;
|
||
//}
|
||
//List<DemoDataModel> GetDemoDataList(int count)
|
||
//{
|
||
// var list = new List<DemoDataModel>();
|
||
// for (var i = 1; i <= count; i++)
|
||
// {
|
||
// var index = i % 6 + 1;
|
||
// var model = new DemoDataModel
|
||
// {
|
||
// Index = i,
|
||
// IsSelected = i % 2 == 0,
|
||
// Name = $"Name{i}",
|
||
// Type = (DemoType)index,
|
||
// ImgPath = $"/HandyControlDemo;component/Resources/Img/Avatar/avatar{index}.png",
|
||
// Remark = new string(i.ToString()[0], 10)
|
||
// };
|
||
// list.Add(model);
|
||
// }
|
||
|
||
// return list;
|
||
//}
|
||
}
|
||
|
||
|
||
// public class DemoDataModel
|
||
//{
|
||
// public int Index { get; set; }
|
||
|
||
// public string Name { get; set; } = string.Empty;
|
||
|
||
// public bool IsSelected { get; set; }
|
||
|
||
// public string Remark { get; set; } = string.Empty;
|
||
|
||
// public DemoType Type { get; set; }
|
||
|
||
// public string ImgPath { get; set; } = string.Empty;
|
||
|
||
// public List<DemoDataModel> DataList { get; set; } = [];
|
||
//}
|
||
|
||
//public enum DemoType
|
||
//{
|
||
// Type1 = 1,
|
||
// Type2,
|
||
// Type3,
|
||
// Type4,
|
||
// Type5,
|
||
// Type6
|
||
//}
|
||
|
||
}
|
||
|