49 lines
1.8 KiB
C#
49 lines
1.8 KiB
C#
/*
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Copyright (C) 2014-2019 de4dot@gmail.com
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This file is part of dnSpy
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dnSpy is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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dnSpy is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
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*/
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using System.Diagnostics.CodeAnalysis;
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namespace dnSpy.Contracts.Text.Editor.Operations {
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/// <summary>
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/// Enables undo/redo in text views
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/// </summary>
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public interface ITextViewUndoManagerProvider {
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/// <summary>
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/// Creates or returns a cached <see cref="ITextViewUndoManager"/> instance
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/// </summary>
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/// <param name="textView">Text view</param>
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/// <returns></returns>
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ITextViewUndoManager GetTextViewUndoManager(IDsWpfTextView textView);
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/// <summary>
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/// Tries to return an existing <see cref="ITextViewUndoManager"/> instance
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/// </summary>
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/// <param name="textView">Text view</param>
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/// <param name="manager">Updated with the existing instance or null if none exists</param>
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/// <returns></returns>
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bool TryGetTextViewUndoManager(IDsWpfTextView textView, [NotNullWhen(true)] out ITextViewUndoManager? manager);
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/// <summary>
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/// Removes the cached <see cref="ITextViewUndoManager"/> instance, if any.
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/// </summary>
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/// <param name="textView">Text view</param>
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void RemoveTextViewUndoManager(IDsWpfTextView textView);
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}
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}
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