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//
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
//
// This file contain implementations details that are subject to change without notice.
// Use at your own risk.
//
namespace Microsoft.VisualStudio.Text.Operations.Implementation
{
using System;
using System.ComponentModel.Composition;
using Microsoft.VisualStudio.Text.Editor;
using Microsoft.VisualStudio.Text.Formatting;
using Microsoft.VisualStudio.Utilities;
using Microsoft.VisualStudio.Text.Outlining;
#if WINDOWS
using Microsoft.VisualStudio.Language.Intellisense.Utilities;
#endif
[Export(typeof(IEditorOperationsFactoryService))]
internal sealed class EditorOperationsFactoryService : IEditorOperationsFactoryService
{
[Import]
internal ITextStructureNavigatorSelectorService TextStructureNavigatorFactory { get; set; }
#if WINDOWS
// This service should be optional: it is implemented on the VS side and other hosts may not implement it.
[Import(AllowDefault = true)]
internal IWaitIndicator WaitIndicator { get; set; }
#endif
[Import]
internal ITextSearchService TextSearchService { get; set; }
[Import]
internal ITextUndoHistoryRegistry UndoHistoryRegistry { get; set; }
[Import]
internal ITextBufferUndoManagerProvider TextBufferUndoManagerProvider { get; set; }
[Import]
internal IEditorPrimitivesFactoryService EditorPrimitivesProvider { get; set; }
[Import]
internal IEditorOptionsFactoryService EditorOptionsProvider { get; set; }
#if WINDOWS
[Import(AllowDefault = true)]
internal IRtfBuilderService RtfBuilderService { get; set; }
#endif
[Import]
internal ISmartIndentationService SmartIndentationService { get; set; }
[Import]
internal ITextDocumentFactoryService TextDocumentFactoryService { get; set; }
[Import]
internal IContentTypeRegistryService ContentTypeRegistryService { get; set; }
[Import(AllowDefault = true)]
internal IOutliningManagerService OutliningManagerService { get; set; }
/// <summary>
/// Provides a operations implementation for a given text view.
/// </summary>
/// <param name="textView">
/// The text view to which the operations will be bound.
/// </param>
/// <returns>
/// An implementation of IEditorOperations that can provide operations implementations for the given text view.
/// </returns>
public IEditorOperations GetEditorOperations(ITextView textView)
{
// Validate
if (textView == null)
{
throw new ArgumentNullException("textView");
}
// Only one EditorOperations should be created per ITextView
IEditorOperations editorOperations = null;
// We create one, only if it doesn't already exist
if (!textView.Properties.TryGetProperty<IEditorOperations>(typeof(EditorOperationsFactoryService), out editorOperations))
{
editorOperations = new EditorOperations(textView, this);
textView.Properties.AddProperty(typeof(EditorOperationsFactoryService), editorOperations);
}
return editorOperations;
}
}
}
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