R_D_Demo/WpfNodeTest/WpfNodeTest/ViewModels/MainWindowViewModel.cs

using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using Microsoft.Win32;
using NodeNetwork.ViewModels;
using System.Collections.ObjectModel;
using System.Reactive.Linq;
using WpfNodeTest.Models;
using WpfNodeTest.Services;

namespace WpfNodeTest.ViewModels;

/// <summary>
/// 主窗口ViewModel
/// </summary>
public partial class MainWindowViewModel : ObservableObject
{
    private readonly NodeGraphSerializer _serializer = new();
    private readonly NodeTypeConfigService _configService = new();
    private readonly PathPlanningService _pathPlanning = new();

    [ObservableProperty]
    private NetworkViewModel _network = new();

    [ObservableProperty]
    private ObservableCollection<string> _nodeTypes = new();

    [ObservableProperty]
    private ObservableCollection<NodeTypeInfo> _nodeTypeInfos = new();

    [ObservableProperty]
    private AGVDockingNode? _selectedNode;

    public MainWindowViewModel()
    {
        LoadNodeTypes();

        // 监听节点选择变化
        Network.SelectedNodes.Connect().Subscribe(_ =>
        {
            SelectedNode = Network.SelectedNodes.Items.FirstOrDefault() as AGVDockingNode;
        });
    }

    // 加载节点类型列表
    private void LoadNodeTypes()
    {
        var config = _configService.LoadConfig();
        NodeTypes = new ObservableCollection<string>(config.NodeTypes.Select(t => t.TypeName));
        NodeTypeInfos = new ObservableCollection<NodeTypeInfo>(config.NodeTypes);
    }

    /// <summary>
    /// 加载节点图文件
    /// </summary>
    [RelayCommand]
    private void LoadFile()
    {
        var dialog = new OpenFileDialog
        {
            Filter = "JSON文件|*.json",
            Title = "加载节点图"
        };

        if (dialog.ShowDialog() == true)
        {
            Network = _serializer.LoadFromFile(dialog.FileName);
        }
    }

    /// <summary>
    /// 保存节点图文件
    /// </summary>
    [RelayCommand]
    private void SaveFile()
    {
        var dialog = new SaveFileDialog
        {
            Filter = "JSON文件|*.json",
            Title = "保存节点图"
        };

        if (dialog.ShowDialog() == true)
        {
            _serializer.SaveToFile(Network, dialog.FileName);
        }
    }

    /// <summary>
    /// 添加新节点
    /// </summary>
    [RelayCommand]
    private void AddNode(string nodeType)
    {
        var typeInfo = _configService.GetNodeTypeInfo(nodeType);
        var node = new AGVDockingNode
        {
            Name = nodeType,
            NodeType = nodeType,
            InputCount = typeInfo?.DefaultInputCount ?? 1,
            OutputCount = typeInfo?.DefaultOutputCount ?? 1,
            Position = new System.Windows.Point(100, 100)
        };

        Network.Nodes.Edit(list => list.Add(node));
    }
}