wehub-resource-sync
60 lines
1.9 KiB
C#
60 lines
1.9 KiB
C#
#nullable enable
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using T3.Editor.UiModel.Modification;
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namespace T3.Editor.UiModel.Commands.Graph;
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/// <summary>
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/// Reorders an editable operator's input parameters. Each Do/Undo reorders the in-memory
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/// input definitions and recompiles the operator source to match, so this is a heavy command.
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/// Slot ids are unchanged, so connections and animations survive both directions.
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/// </summary>
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internal sealed class ChangeInputOrderCommand : ICommand
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{
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public string Name => "Reorder Inputs";
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public bool IsUndoable => true;
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public ChangeInputOrderCommand(Guid symbolId, IReadOnlyList<Guid> oldOrder, IReadOnlyList<Guid> newOrder)
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{
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_symbolId = symbolId;
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_oldOrder = oldOrder.ToArray();
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_newOrder = newOrder.ToArray();
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}
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public void Do() => ApplyOrder(_newOrder);
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public void Undo() => ApplyOrder(_oldOrder);
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private void ApplyOrder(Guid[] order)
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{
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if (!SymbolUiRegistry.TryGetSymbolUi(_symbolId, out var symbolUi))
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{
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Log.Warning($"Can't reorder inputs - symbol {_symbolId} is no longer available.");
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return;
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}
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var symbol = symbolUi.Symbol;
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var current = symbol.InputDefinitions.ToList();
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symbol.InputDefinitions.Clear();
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foreach (var id in order)
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{
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var def = current.Find(d => d.Id == id);
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if (def != null)
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symbol.InputDefinitions.Add(def);
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}
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// Keep any definition not covered by the captured order (defensive against drift)
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foreach (var def in current)
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{
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if (!symbol.InputDefinitions.Contains(def))
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symbol.InputDefinitions.Add(def);
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}
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symbol.SortInputSlotsByDefinitionOrder();
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InputsAndOutputs.AdjustInputOrderOfSymbol(symbol);
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}
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private readonly Guid _symbolId;
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private readonly Guid[] _oldOrder;
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private readonly Guid[] _newOrder;
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}
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