97 lines
3.1 KiB
C#
97 lines
3.1 KiB
C#
using System.Security.Cryptography;
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using System.Text;
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using System.Xml.Linq;
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using AcDream.Plugin.Abstractions;
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namespace AcDream.Plugins.MossTank;
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/// <summary>
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/// Owns VTank Meta-created views independently from the macro window. The
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/// official implementation replaces duplicate names and permits five normal
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/// entries (including its historical sixth-entry boundary quirk).
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/// </summary>
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internal sealed class MetaViewManager
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{
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private const int OfficialViewLimit = 5;
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private readonly IPluginHost _host;
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private readonly Dictionary<string, IDisposable> _views =
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new(StringComparer.Ordinal);
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public MetaViewManager(IPluginHost host) =>
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_host = host ?? throw new ArgumentNullException(nameof(host));
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public int Count => _views.Count;
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public bool Create(string name, string markup)
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{
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if (!_host.HasUi || string.IsNullOrEmpty(name) || string.IsNullOrEmpty(markup))
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return false;
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// bw.a(string,string) checks Count > 5 before duplicate replacement.
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// Preserve that observable VTank quirk for imported Meta profiles.
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if (_views.Count > OfficialViewLimit)
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return false;
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try
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{
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XElement root = XDocument.Parse(markup).Root
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?? throw new InvalidDataException("View markup has no root element.");
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if (!root.Name.LocalName.Equals("panel", StringComparison.OrdinalIgnoreCase))
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return false;
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}
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catch (Exception error) when (error is InvalidDataException or System.Xml.XmlException)
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{
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_host.Log.Warn($"MossTank Meta view '{name}' is invalid: {error.Message}");
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return false;
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}
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Destroy(name);
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IDisposable token = _host.Ui.RegisterPanelContent(
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new PluginPanelDescriptor(WindowId(name), name)
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{
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IconText = Initials(name),
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StartVisible = true,
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ShowInSidePanel = true,
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},
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markup,
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MetaViewBinding.Instance);
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_views.Add(name, token);
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return true;
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}
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public bool Destroy(string name)
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{
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if (!_views.Remove(name, out IDisposable? registration))
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return false;
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registration.Dispose();
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return true;
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}
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public void DestroyAll()
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{
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IDisposable[] registrations = _views.Values.ToArray();
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_views.Clear();
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foreach (IDisposable registration in registrations)
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registration.Dispose();
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}
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private static string WindowId(string name)
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{
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byte[] hash = SHA256.HashData(Encoding.UTF8.GetBytes(name));
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return "meta-" + Convert.ToHexString(hash.AsSpan(0, 8)).ToLowerInvariant();
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}
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private static string Initials(string name)
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{
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string[] words = name.Split(' ', StringSplitOptions.RemoveEmptyEntries);
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if (words.Length == 0)
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return "M";
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return string.Concat(words.Take(2).Select(static word => word[0])).ToUpperInvariant();
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}
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private sealed class MetaViewBinding
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{
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internal static MetaViewBinding Instance { get; } = new();
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public bool WindowAvailable => true;
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}
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}
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