报文设置扩展

2026-07-06 09:28:29 +08:00
parent 2820b2f300
commit 6c2b975999
12 changed files with 527 additions and 15 deletions
--- a/CANModule/ViewModels/SelectCanMessageViewModel.cs
+++ b/CANModule/ViewModels/SelectCanMessageViewModel.cs
@@ -0,0 +1,171 @@
+using System;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Windows;
+using System.Windows.Input;
+using UIShare.ViewModelBase;
+using ZLGUSBCANFD;
+
+namespace CANModule.ViewModels
+{
+    public class SelectCanMessageViewModel : DialogViewModelBase
+    {
+        #region 属性
+        public DialogCloseListener RequestClose { get; set; }
+
+        private ObservableCollection<int> _ChannelList;
+        public ObservableCollection<int> ChannelList
+        {
+            get => _ChannelList;
+            set => SetProperty(ref _ChannelList, value);
+        }
+
+        private ObservableCollection<string> _messageList;
+        public ObservableCollection<string> MessageList
+        {
+            get => _messageList;
+            set => SetProperty(ref _messageList, value);
+        }
+
+        private ObservableCollection<string> _signalList;
+        public ObservableCollection<string> SignalList
+        {
+            get => _signalList;
+            set => SetProperty(ref _signalList, value);
+        }
+
+        private string _title = "CollectCANSignalSetting";
+        public string Title
+        {
+            get => _title;
+            set => SetProperty(ref _title, value);
+        }
+
+        private string _selectedMessage;
+        public string SelectedMessage
+        {
+            get => _selectedMessage;
+            set
+            {
+                if (SetProperty(ref _selectedMessage, value))
+                {
+                    // 健壮性检查：防范切换通道时清空选择引发的连锁 Bug
+                    if (!string.IsNullOrEmpty(value))
+                    {
+                        // 使用 FirstOrDefault 代替 First，防止找不到匹配项时导致上位机崩溃
+                        var targetMsg = ZLGDBCParser.MsgDatabase[MessageChannel]
+                            .FirstOrDefault(x => $"[0x{x.msg_id:X}]{x.msg_name}" == value);
+
+                        if (targetMsg != null && targetMsg.signal_Name != null)
+                        {
+                            SignalList = new ObservableCollection<string>(targetMsg.signal_Name);
+                        }
+                        else
+                        {
+                            SignalList = new ObservableCollection<string>();
+                        }
+                    }
+                    else
+                    {
+                        SignalList = new ObservableCollection<string>();
+                    }
+                }
+            }
+        }
+
+        private string _selectedSignal;
+        public string SelectedSignal
+        {
+            get => _selectedSignal;
+            set => SetProperty(ref _selectedSignal, value);
+        }
+
+        private int _MessageChannel=-1;
+        public int MessageChannel
+        {
+            get => _MessageChannel;
+            set
+            {
+                if (_MessageChannel != value)
+                {
+                    _MessageChannel = value;
+
+                    // 1. 先安全清空旧的选择项和信号列表，断开引用链
+                    SelectedMessage = null;
+                    SelectedSignal = null;
+                    SignalList = new ObservableCollection<string>();
+
+                    // 2. 刷新当前通道的报文列表
+                    if (ZLGDBCParser.MsgDatabase != null && ZLGDBCParser.MsgDatabase.Count > value)
+                    {
+                        MessageList = new ObservableCollection<string>(
+                            ZLGDBCParser.MsgDatabase[value].Select(s => $"[0x{s.msg_id:X}]{s.msg_name}")
+                        );
+                    }
+                    else
+                    {
+                        MessageList = new ObservableCollection<string>();
+                    }
+
+                    RaisePropertyChanged();
+                }
+            }
+        }
+        #endregion
+
+        #region 命令
+        public ICommand CloseCommand { get; set; }
+        public ICommand GetSelectedMessageCommand { get; set; }
+        public ICommand GetSelectedSignalCommand { get; set; }
+        public ICommand LoadCommand { get; set; }
+        #endregion
+
+        public SelectCanMessageViewModel(IContainerProvider containerProvider) : base(containerProvider)
+        {
+            CloseCommand = new DelegateCommand(Close);
+            GetSelectedMessageCommand = new DelegateCommand(GetSelectedMessage);
+            GetSelectedSignalCommand = new DelegateCommand(GetSelectedSignal);
+            LoadCommand = new DelegateCommand(Load);
+        }
+
+        #region 命令处理
+        private void Close()
+        {
+            RequestClose.Invoke();
+        }
+
+        private void Load()
+        {
+            ChannelList = new ObservableCollection<int>(Enumerable.Range(0, 4));
+        }
+
+        private void GetSelectedSignal()
+        {
+            if (!string.IsNullOrEmpty(SelectedSignal))
+            {
+                Application.Current.Dispatcher.Invoke(() =>
+                {
+                    Clipboard.SetDataObject(SelectedSignal);
+                });
+            }
+        }
+
+        private void GetSelectedMessage()
+        {
+            // 修复原本误写为 SelectedSignal != null 的 Bug，并增加了边界防错
+            if (!string.IsNullOrEmpty(SelectedMessage) && SelectedMessage.Contains(']'))
+            {
+                Application.Current.Dispatcher.Invoke(() =>
+                {
+                    Clipboard.SetDataObject(SelectedMessage);
+                    //var parts = SelectedMessage.Split(']');
+                    //if (parts.Length > 1)
+                    //{
+                    //    Clipboard.SetDataObject(parts[1]); // 复制纯报文名称（如："EngineStatus"）
+                    //}
+                });
+            }
+        }
+        #endregion
+    }
+}