添加项目文件。
This commit is contained in:
“hsc”
333
TestingModule/ViewModels/StepsManagerViewModel.cs
Normal file
333
TestingModule/ViewModels/StepsManagerViewModel.cs
Normal file
@@ -0,0 +1,333 @@
|
||||
using UIShare.PubEvent;
|
||||
using UIShare.UIViewModel;
|
||||
using System;
|
||||
using System.Collections;
|
||||
using System.Collections.Generic;
|
||||
using System.Collections.ObjectModel;
|
||||
using System.Collections.Specialized;
|
||||
using System.ComponentModel;
|
||||
using System.Linq;
|
||||
using System.Reflection;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
using System.Windows;
|
||||
using System.Windows.Input;
|
||||
using System.Xml;
|
||||
using UIShare.GlobalVariable;
|
||||
using UIShare.ViewModelBase;
|
||||
using Prism.Events;
|
||||
|
||||
namespace TestingModule.ViewModels
|
||||
{
|
||||
public class StepsManagerViewModel:NavigateViewModelBase, IDisposable
|
||||
{
|
||||
#region 属性
|
||||
private string _Title;
|
||||
public string Title
|
||||
{
|
||||
get => _Title;
|
||||
set => SetProperty(ref _Title, value);
|
||||
}
|
||||
private bool _Admin;
|
||||
public bool Admin
|
||||
{
|
||||
get => _Admin;
|
||||
set => SetProperty(ref _Admin, value);
|
||||
}
|
||||
private int _SelectedTabIndex;
|
||||
public int SelectedTabIndex
|
||||
{
|
||||
get => _SelectedTabIndex;
|
||||
set => SetProperty(ref _SelectedTabIndex, value);
|
||||
}
|
||||
private string _selectedTabHeader;
|
||||
public string SelectedTabHeader
|
||||
{
|
||||
get { return _selectedTabHeader; }
|
||||
set { SetProperty(ref _selectedTabHeader, value); }
|
||||
}
|
||||
private List<StepVM> _SelectedItems;
|
||||
public List<StepVM> SelectedItems
|
||||
{
|
||||
get { return _SelectedItems; }
|
||||
set { SetProperty(ref _SelectedItems, value); }
|
||||
}
|
||||
private StepVM _SelectedStep;
|
||||
public StepVM SelectedStep
|
||||
{
|
||||
get => _SelectedStep;
|
||||
set
|
||||
{
|
||||
if (SetProperty(ref _SelectedStep, value))
|
||||
{
|
||||
_ScopedContext.SelectedStep = value;
|
||||
}
|
||||
}
|
||||
}
|
||||
public ProgramVM Program
|
||||
{
|
||||
get => _ScopedContext.Program;
|
||||
set
|
||||
{
|
||||
if (_ScopedContext.Program != value)
|
||||
{
|
||||
_ScopedContext.Program = value;
|
||||
RaisePropertyChanged();
|
||||
}
|
||||
}
|
||||
}
|
||||
ScopedContext _ScopedContext { get; set; }
|
||||
private readonly SystemConfig _systemConfig;
|
||||
private readonly GlobalInfo _globalInfo;
|
||||
private List<StepVM> tmpCopyList = new List<StepVM>();
|
||||
|
||||
// 追踪当前订阅的集合实例，用于在集合被整体替换时重新订阅
|
||||
private ObservableCollection<StepVM> _trackedStepCollection;
|
||||
private ObservableCollection<StepVM> _trackedErrorStepCollection;
|
||||
|
||||
|
||||
#endregion
|
||||
#region 命令
|
||||
public ICommand EditStepCommand { get;set; }
|
||||
public ICommand CopyStepCommand { get;set; }
|
||||
public ICommand PasteStepCommand { get;set; }
|
||||
public ICommand DeleteStepCommand { get;set; }
|
||||
public ICommand TabSelectionChangedCommand { get;set; }
|
||||
public ICommand SelectionChangedCommand { get;set; }
|
||||
#endregion
|
||||
|
||||
public StepsManagerViewModel(IContainerProvider containerProvider, ScopedContext scopedContext, SystemConfig systemConfig, GlobalInfo globalInfo) : base(containerProvider)
|
||||
{
|
||||
_ScopedContext = scopedContext;
|
||||
_systemConfig = systemConfig;
|
||||
_globalInfo = globalInfo;
|
||||
Title = _systemConfig.Title;
|
||||
EditStepCommand = new DelegateCommand(EditStep);
|
||||
CopyStepCommand = new DelegateCommand(CopyStep);
|
||||
PasteStepCommand = new DelegateCommand(PasteStep);
|
||||
DeleteStepCommand = new DelegateCommand(DeleteStep);
|
||||
TabSelectionChangedCommand = new DelegateCommand<string>(TabSelectionChanged);
|
||||
SelectionChangedCommand = new DelegateCommand<object>(SelectionChanged);
|
||||
SubscribeStepCollections();
|
||||
Program.PropertyChanged += Program_PropertyChanged;
|
||||
Admin = _globalInfo.IsAdmin;
|
||||
}
|
||||
|
||||
private void SelectionChanged(object parameter)
|
||||
{
|
||||
var selectedList = parameter as IList;
|
||||
if (selectedList != null)
|
||||
{
|
||||
SelectedItems = selectedList.Cast<StepVM>().ToList();
|
||||
}
|
||||
}
|
||||
|
||||
private void TabSelectionChanged(string SelectedTabHeader)
|
||||
{
|
||||
_ScopedContext.SelectedStepList = SelectedTabHeader;
|
||||
}
|
||||
|
||||
#region 委托命令
|
||||
private void EditStep()
|
||||
{
|
||||
if (_globalInfo.IsAdmin && SelectedStep != null&& _ScopedContext.SelectedStep!=null)
|
||||
{
|
||||
_eventAggregator.GetEvent<EditSetpEvent>().Publish() ;
|
||||
}
|
||||
}
|
||||
private void CopyStep()
|
||||
{
|
||||
if (_globalInfo.IsAdmin && SelectedItems.Any())
|
||||
{
|
||||
tmpCopyList.Clear();
|
||||
foreach (var item in SelectedItems)
|
||||
{
|
||||
tmpCopyList.Add(item);
|
||||
}
|
||||
}
|
||||
}
|
||||
private void PasteStep()
|
||||
{
|
||||
// 权限校验并确保有可粘贴的内容
|
||||
if (_globalInfo.IsAdmin && tmpCopyList.Any())
|
||||
{
|
||||
int insertIndex;
|
||||
|
||||
if (_ScopedContext.SelectedStepList == "主程序")
|
||||
{
|
||||
insertIndex = SelectedStep != null ? Program.StepCollection.IndexOf(SelectedStep) + 1 : Program.StepCollection.Count;
|
||||
|
||||
foreach (var item in tmpCopyList)
|
||||
{
|
||||
// 创建新副本，避免引用同一个对象，并赋予新 ID
|
||||
var newStep = new StepVM(item) { ID = Guid.NewGuid() };
|
||||
Program.StepCollection.Insert(insertIndex, newStep);
|
||||
insertIndex++; // 递增索引，保证粘贴的多项顺序一致
|
||||
}
|
||||
}
|
||||
else if (_ScopedContext.SelectedStepList == "错误程序")
|
||||
{
|
||||
insertIndex = SelectedStep != null ? Program.ErrorStepCollection.IndexOf(SelectedStep) + 1 : Program.ErrorStepCollection.Count;
|
||||
|
||||
foreach (var item in tmpCopyList)
|
||||
{
|
||||
var newStep = new StepVM(item) { ID = Guid.NewGuid() };
|
||||
Program.ErrorStepCollection.Insert(insertIndex, newStep);
|
||||
insertIndex++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
private void DeleteStep()
|
||||
{
|
||||
// 确保有选中的项
|
||||
if (_globalInfo.IsAdmin && SelectedItems != null && SelectedItems.Any())
|
||||
{
|
||||
// 创建一个副本进行循环，防止在 Remove 过程中集合变化导致的问题
|
||||
var toDelete = SelectedItems.ToList();
|
||||
|
||||
foreach (var item in toDelete)
|
||||
{
|
||||
_eventAggregator.GetEvent<DeletedStepEvent>().Publish(item.ID);
|
||||
|
||||
if (_ScopedContext.SelectedStepList == "主程序")
|
||||
{
|
||||
Program.StepCollection.Remove(item);
|
||||
}
|
||||
else if (_ScopedContext.SelectedStepList == "错误程序")
|
||||
{
|
||||
Program.ErrorStepCollection.Remove(item);
|
||||
}
|
||||
}
|
||||
|
||||
// 3. 清空 ViewModel 的选中状态，避免悬挂引用
|
||||
SelectedStep = null;
|
||||
SelectedItems.Clear();
|
||||
_ScopedContext.SelectedStep = null;
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region 辅助方法
|
||||
|
||||
/// <summary>
|
||||
/// 订阅当前 Program 的 StepCollection 和 ErrorStepCollection 的 CollectionChanged 事件。
|
||||
/// </summary>
|
||||
private void SubscribeStepCollections()
|
||||
{
|
||||
_trackedStepCollection = Program.StepCollection;
|
||||
_trackedErrorStepCollection = Program.ErrorStepCollection;
|
||||
|
||||
if (_trackedStepCollection != null)
|
||||
_trackedStepCollection.CollectionChanged += StepCollection_CollectionChanged;
|
||||
if (_trackedErrorStepCollection != null)
|
||||
_trackedErrorStepCollection.CollectionChanged += StepCollection_CollectionChanged;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 取消订阅当前追踪的集合事件。
|
||||
/// </summary>
|
||||
private void UnsubscribeStepCollections()
|
||||
{
|
||||
if (_trackedStepCollection != null)
|
||||
{
|
||||
_trackedStepCollection.CollectionChanged -= StepCollection_CollectionChanged;
|
||||
_trackedStepCollection = null;
|
||||
}
|
||||
if (_trackedErrorStepCollection != null)
|
||||
{
|
||||
_trackedErrorStepCollection.CollectionChanged -= StepCollection_CollectionChanged;
|
||||
_trackedErrorStepCollection = null;
|
||||
}
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// 当 Program 的 StepCollection / ErrorStepCollection 被整体替换时，自动重新订阅并刷新序号。
|
||||
/// </summary>
|
||||
private void Program_PropertyChanged(object? sender, PropertyChangedEventArgs e)
|
||||
{
|
||||
if (e.PropertyName == nameof(ProgramVM.StepCollection) ||
|
||||
e.PropertyName == nameof(ProgramVM.ErrorStepCollection))
|
||||
{
|
||||
UnsubscribeStepCollections();
|
||||
SubscribeStepCollections();
|
||||
|
||||
// 集合被整体替换后，对新集合重新编号
|
||||
Application.Current?.Dispatcher.BeginInvoke(new Action(() =>
|
||||
{
|
||||
for (int i = 0; i < Program.StepCollection.Count; i++)
|
||||
Program.StepCollection[i].Index = i + 1;
|
||||
for (int i = 0; i < Program.ErrorStepCollection.Count; i++)
|
||||
Program.ErrorStepCollection[i].Index = i + 1;
|
||||
}), System.Windows.Threading.DispatcherPriority.Background);
|
||||
}
|
||||
}
|
||||
|
||||
private void StepCollection_CollectionChanged(object? sender, NotifyCollectionChangedEventArgs e)
|
||||
{
|
||||
var collection = sender as ObservableCollection<StepVM>;
|
||||
// Add/Move/Remove 都会触发，这里判断具体情形
|
||||
if (e.Action == NotifyCollectionChangedAction.Add ||
|
||||
e.Action == NotifyCollectionChangedAction.Move||
|
||||
e.Action == NotifyCollectionChangedAction.Remove)
|
||||
{
|
||||
// 如果需要等 UI 更新完再处理，可也用 Dispatcher 延迟一小段时间
|
||||
Application.Current?.Dispatcher.BeginInvoke(new Action(() =>
|
||||
{
|
||||
if(_ScopedContext.SelectedStepList=="主程序")
|
||||
{
|
||||
for (int i = 0; i < Program.StepCollection.Count; i++)
|
||||
Program.StepCollection[i].Index = i + 1;
|
||||
}
|
||||
else if (_ScopedContext.SelectedStepList == "错误程序")
|
||||
for (int i = 0; i < Program.ErrorStepCollection.Count; i++)
|
||||
Program.ErrorStepCollection[i].Index = i + 1;
|
||||
|
||||
|
||||
}), System.Windows.Threading.DispatcherPriority.Background);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
#endregion
|
||||
public void Dispose()
|
||||
{
|
||||
try
|
||||
{
|
||||
// 1. 取消订阅 CollectionChanged 事件（从追踪的实例上取消，而非可能已被替换的当前实例）
|
||||
UnsubscribeStepCollections();
|
||||
|
||||
// 2. 取消订阅 Program.PropertyChanged
|
||||
if (Program != null)
|
||||
{
|
||||
Program.PropertyChanged -= Program_PropertyChanged;
|
||||
}
|
||||
|
||||
// 3. 【核心修复】必须显式退订 Prism 全局事件（AlarmEvent）
|
||||
// 注意：因为订阅时使用的是匿名 Lambda，最安全稳妥的退订方式是把整个事件上的当前 VM 订阅者全部注销
|
||||
_eventAggregator?.GetEvent<AlarmEvent>()?.Unsubscribe(null);
|
||||
|
||||
// 4. 清空临时缓存集合与 UI 绑定列表，避免悬挂指针
|
||||
tmpCopyList?.Clear();
|
||||
tmpCopyList = null!;
|
||||
|
||||
SelectedItems?.Clear();
|
||||
SelectedItems = null!;
|
||||
|
||||
// 5. 清除选中项状态引用
|
||||
SelectedStep = null;
|
||||
if (_ScopedContext != null)
|
||||
{
|
||||
_ScopedContext.SelectedStep = null;
|
||||
_ScopedContext = null!; // 断开上下文引用
|
||||
}
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
Logger.LoggerHelper.Error($"释放步骤管理组件（StepsManagerViewModel）资源失败: {ex.Message}");
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user