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using System;
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using UnityEngine;
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namespace UnityEditor.U2D.Animation
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{
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internal class DisableUndoScope : IDisposable
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{
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private bool m_Disposed;
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private ICacheUndo m_CacheUndo;
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private IUndo m_UndoOverride;
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public DisableUndoScope(ICacheUndo cacheUndo)
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{
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Debug.Assert(cacheUndo != null);
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m_CacheUndo = cacheUndo;
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m_UndoOverride = m_CacheUndo.undoOverride;
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m_CacheUndo.undoOverride = new DisabledUndo();
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}
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~DisableUndoScope()
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{
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if (!m_Disposed)
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Debug.LogError("Scope was not disposed! You should use the 'using' keyword or manually call Dispose.");
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}
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public void Dispose()
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{
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if (m_Disposed)
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return;
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m_Disposed = true;
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if (m_CacheUndo != null)
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m_CacheUndo.undoOverride = m_UndoOverride;
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}
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}
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}
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