127 lines
4.6 KiB
C#
127 lines
4.6 KiB
C#
using BOB.Models;
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using Common.PubEvent;
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using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows;
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using System.Windows.Input;
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using System.Xml;
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namespace BOB.ViewModels
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{
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public class StepsManagerViewModel:BindableBase
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{
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#region 属性
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public string Title
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{
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get => _globalVariables.Title;
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set => SetProperty(ref _globalVariables.Title, value);
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}
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public StepModel SelectedStep
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{
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get => _globalVariables.SelectedStep;
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set => SetProperty(ref _globalVariables.SelectedStep, value);
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}
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public ProgramModel Program
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{
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get => _globalVariables.Program;
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set => SetProperty(ref _globalVariables.Program, value);
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}
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public bool IsAdmin
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{
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get => _globalVariables.IsAdmin;
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set => SetProperty(ref _globalVariables.IsAdmin, value);
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}
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GlobalVariables _globalVariables { get; set; }
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private List<StepModel> tmpCopyList = new List<StepModel>();
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private IEventAggregator _eventAggregator;
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#endregion
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public ICommand EditStepCommand { get;set; }
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public ICommand CopyStepCommand { get;set; }
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public ICommand PasteStepCommand { get;set; }
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public ICommand DeleteStepCommand { get;set; }
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public StepsManagerViewModel(GlobalVariables _GlobalVariables,IEventAggregator eventAggregator)
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{
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_eventAggregator = eventAggregator;
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_globalVariables = _GlobalVariables;
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EditStepCommand = new DelegateCommand(EditStep);
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CopyStepCommand = new DelegateCommand(CopyStep);
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PasteStepCommand = new DelegateCommand(PasteStep);
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DeleteStepCommand = new DelegateCommand(DeleteStep);
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Program.StepCollection.CollectionChanged += StepCollection_CollectionChanged;
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}
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#region 委托命令
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private void EditStep()
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{
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if (IsAdmin && SelectedStep != null&& _globalVariables.SelectedStep!=null)
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{
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_eventAggregator.GetEvent<EditSetpEvent>().Publish() ;
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}
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}
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private void CopyStep()
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{
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if (IsAdmin && SelectedStep != null)
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{
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tmpCopyList.Clear();
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tmpCopyList.Add(SelectedStep);
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}
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}
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private void PasteStep()
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{
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if (IsAdmin && tmpCopyList.Any())
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{
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int insertIndex = Program.StepCollection.IndexOf(SelectedStep) + 1;
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foreach (var item in tmpCopyList)
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{
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Program.StepCollection.Insert(insertIndex, new StepModel(item) { ID = Guid.NewGuid() });
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insertIndex++;
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}
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}
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}
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private void DeleteStep()
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{
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if (IsAdmin && SelectedStep != null)
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{
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var tmpList = new List<StepModel> { SelectedStep };
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_eventAggregator.GetEvent<DeletedStepEvent>().Publish(SelectedStep.ID);
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foreach (var item in tmpList)
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{
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Program.StepCollection.Remove(item);
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}
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_globalVariables.SelectedStep = null;
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}
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}
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#endregion
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#region 辅助方法
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private void StepCollection_CollectionChanged(object? sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
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{
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// Add/Move/Remove 都会触发，这里判断具体情形
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if (e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Add ||
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e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Move||
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e.Action == System.Collections.Specialized.NotifyCollectionChangedAction.Remove)
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{
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// 如果需要等 UI 更新完再处理，可也用 Dispatcher 延迟一小段时间
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Application.Current?.Dispatcher.BeginInvoke(new Action(() =>
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{
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// after drop: 重新编号或其他处理
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for (int i = 0; i < Program.StepCollection.Count; i++)
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Program.StepCollection[i].Index = i + 1;
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// 发布 Prism 事件（如果需要）
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// _eventAggregator.GetEvent<StepMovedEvent>().Publish(...);
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}), System.Windows.Threading.DispatcherPriority.Background);
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}
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}
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#endregion
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}
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}
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