BeWoPlaner/BeWo/ViewModel/ListViewModel/AiConversationMessageListVM.cs

using BeWo.ServiceProxy;
using BS.Shared.DataContracts.Feature.AI;
using BS.Shared.Extensions;
using ChatController.Utilities.Extensions;
using DevExpress.Mvvm;
using DevExpress.XtraPrinting.Native;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Data;
using System.Windows.Threading;

namespace BeWo.ViewModel.ListViewModel
{
	public class AiConversationMessageListVM : AbstractDCListMapperVM<AiConversationMessageDC, AiConversationMessageVM>
	{
		public AiConversationMessageListVM(List<AiConversationMessageDC> pDCs) : base(pDCs)
		{
			foreach(var vm in VMList)
			{
				vm.IsCheckedChanged += CloneIsCheckedChanged;
			}

			//VMList.ListChanged += (s, e) =>
			//	{
			//		if (e.ListChangedType == ListChangedType.ItemChanged)
			//		{
			//			var changedItem = VMList[e.NewIndex];
			//			Item_PropertyChanged(changedItem, new PropertyChangedEventArgs(nameof(AiConversationMessageVM.IsChecked)));
			//		}
			//	};
		}
		public AiConversationMessageListVM() : this(null) { }

		private void CloneIsCheckedChanged(object sender, EventArgs e)
		{
			if(sender is AiConversationMessageVM vm)
			{
				int index = VMList.IndexOf(vm);

				if (vm.IsChecked)
				{
					for (int i = 0; i < index; i++)
					{
						VMList[i].SetIsChecked(true);
					}
				}
				else
				{
					for (int i = index - 1; i < VMList.Count; i++)
					{
						VMList[i].SetIsChecked(false);
					}
				}
			}
		}

		//private void Item_PropertyChanged(object sender, PropertyChangedEventArgs e)
		//{
		//	if (e.PropertyName == nameof(AiConversationMessageVM.IsChecked) 
		//		&& sender is AiConversationMessageVM vm 
		//		&& vm.Role == BS.Shared.AiConversationMessageRole.Assistent)
		//	{
		//		var changedItem = (AiConversationMessageVM)sender;
		//		int index = VMList.IndexOf(changedItem);

		//		if (changedItem.IsChecked)
		//		{
		//			for (int i = 0; i <= index; i++)
		//				if (!VMList[i].IsChecked)
		//					VMList[i].IsChecked = true;
		//		}
		//		else
		//		{
		//			for (int i = index - 1; i < VMList.Count; i++)
		//				if (VMList[i].IsChecked) 
		//					VMList[i].IsChecked = false;
		//		}
		//	}
		//}
	}
}