A

src/NetVizor.Backend/Shell/Models/NetViewSettings.cs

@@ -0,0 +1,176 @@
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
+using System.Text.Json;
+using System.IO;
+using Common.Logger;
+
+namespace Shell.Models;
+
+public class NetViewSettings : INotifyPropertyChanged
+{
+    private static NetViewSettings? _instance;
+    private static readonly string SettingsFilePath = Path.Combine(
+        Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), 
+        "NetVizor", "settings.json");
+
+    public static NetViewSettings Instance
+    {
+        get
+        {
+            if (_instance == null)
+            {
+                _instance = LoadSettings();
+            }
+            return _instance;
+        }
+    }
+
+    // 外观设置
+    private string _textColor = "#333333";
+    public string TextColor
+    {
+        get => _textColor;
+        set { _textColor = value; OnPropertyChanged(); }
+    }
+
+    private string _backgroundColor = "#F0FFFFFF";
+    public string BackgroundColor
+    {
+        get => _backgroundColor;
+        set { _backgroundColor = value; OnPropertyChanged(); }
+    }
+
+    private double _backgroundOpacity = 94.0;
+    public double BackgroundOpacity
+    {
+        get => _backgroundOpacity;
+        set { _backgroundOpacity = value; OnPropertyChanged(); }
+    }
+
+    // 显示设置
+    private SpeedUnit _speedUnit = SpeedUnit.Auto;
+    public SpeedUnit SpeedUnit
+    {
+        get => _speedUnit;
+        set { _speedUnit = value; OnPropertyChanged(); }
+    }
+
+    private bool _showUnit = true;
+    public bool ShowUnit
+    {
+        get => _showUnit;
+        set { _showUnit = value; OnPropertyChanged(); }
+    }
+
+    private LayoutDirection _layoutDirection = LayoutDirection.Vertical;
+    public LayoutDirection LayoutDirection
+    {
+        get => _layoutDirection;
+        set { _layoutDirection = value; OnPropertyChanged(); }
+    }
+
+    // 交互设置
+    private DoubleClickAction _doubleClickAction = DoubleClickAction.None;
+    public DoubleClickAction DoubleClickAction
+    {
+        get => _doubleClickAction;
+        set { _doubleClickAction = value; OnPropertyChanged(); }
+    }
+
+    public event PropertyChangedEventHandler? PropertyChanged;
+
+    protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null)
+    {
+        PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+    }
+
+    public void SaveSettings()
+    {
+        try
+        {
+            var directory = Path.GetDirectoryName(SettingsFilePath);
+            if (!string.IsNullOrEmpty(directory) && !Directory.Exists(directory))
+            {
+                Directory.CreateDirectory(directory);
+            }
+
+            var options = new JsonSerializerOptions
+            {
+                WriteIndented = true,
+                Converters = { new System.Text.Json.Serialization.JsonStringEnumConverter() }
+            };
+
+            var json = JsonSerializer.Serialize(this, options);
+            File.WriteAllText(SettingsFilePath, json);
+            
+            Log.Info("设置已保存");
+        }
+        catch (Exception ex)
+        {
+            Log.Error4Ctx($"保存设置失败: {ex.Message}");
+        }
+    }
+
+    private static NetViewSettings LoadSettings()
+    {
+        try
+        {
+            if (File.Exists(SettingsFilePath))
+            {
+                var json = File.ReadAllText(SettingsFilePath);
+                var options = new JsonSerializerOptions
+                {
+                    Converters = { new System.Text.Json.Serialization.JsonStringEnumConverter() }
+                };
+                
+                var settings = JsonSerializer.Deserialize<NetViewSettings>(json, options);
+                if (settings != null)
+                {
+                    Log.Info("设置已加载");
+                    return settings;
+                }
+            }
+        }
+        catch (Exception ex)
+        {
+            Log.Warning($"加载设置失败，使用默认设置: {ex.Message}");
+        }
+
+        Log.Info("使用默认设置");
+        return new NetViewSettings();
+    }
+
+    public void RestoreDefaults()
+    {
+        TextColor = "#333333";
+        BackgroundColor = "#F0FFFFFF";
+        BackgroundOpacity = 94.0;
+        SpeedUnit = SpeedUnit.Auto;
+        ShowUnit = true;
+        LayoutDirection = LayoutDirection.Vertical;
+        DoubleClickAction = DoubleClickAction.None;
+        
+        Log.Info("设置已恢复默认值");
+    }
+}
+
+public enum SpeedUnit
+{
+    Auto,
+    Bytes,
+    KB,
+    MB
+}
+
+public enum LayoutDirection
+{
+    Vertical,
+    Horizontal
+}
+
+public enum DoubleClickAction
+{
+    None,
+    TrafficAnalysis,
+    Settings
+}