83 lines
2.6 KiB
C#
83 lines
2.6 KiB
C#
// Copyright (c) 2012-2023 Wojciech Figat. All rights reserved.
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using System;
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namespace FlaxEditor.Surface.Undo
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{
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/// <summary>
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/// Edit Visject Surface node values collection undo action.
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/// </summary>
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/// <seealso cref="FlaxEditor.IUndoAction" />
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class EditNodeValuesAction : IUndoAction
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{
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private VisjectSurface _surface;
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private ContextHandle _context;
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private readonly uint _nodeId;
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private readonly bool _graphEdited;
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private object[] _before;
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private object[] _after;
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public EditNodeValuesAction(SurfaceNode node, object[] before, bool graphEdited)
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{
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if (before == null)
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throw new ArgumentNullException(nameof(before));
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if (node?.Values == null)
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throw new ArgumentNullException(nameof(node));
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if (before.Length != node.Values.Length)
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throw new ArgumentException(nameof(before));
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_surface = node.Surface;
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_context = new ContextHandle(node.Context);
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_nodeId = node.ID;
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_before = before;
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_after = (object[])node.Values.Clone();
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_graphEdited = graphEdited;
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}
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/// <inheritdoc />
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public string ActionString => "Edit node";
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/// <inheritdoc />
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public void Do()
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{
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var context = _context.Get(_surface);
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if (_after == null)
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throw new Exception("Missing values.");
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var node = context.FindNode(_nodeId);
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if (node == null)
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throw new Exception("Missing node.");
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node.SetIsDuringValuesEditing(true);
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Array.Copy(_after, node.Values, _after.Length);
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node.OnValuesChanged();
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context.MarkAsModified(_graphEdited);
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node.SetIsDuringValuesEditing(false);
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}
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/// <inheritdoc />
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public void Undo()
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{
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var context = _context.Get(_surface);
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if (_before == null)
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throw new Exception("Missing values.");
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var node = context.FindNode(_nodeId);
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if (node == null)
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throw new Exception("Missing node.");
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node.SetIsDuringValuesEditing(true);
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Array.Copy(_before, node.Values, _before.Length);
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node.OnValuesChanged();
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context.MarkAsModified(_graphEdited);
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node.SetIsDuringValuesEditing(false);
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}
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/// <inheritdoc />
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public void Dispose()
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{
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_surface = null;
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_before = null;
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_after = null;
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}
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}
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}
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