blob: 341ed2af2b8a3e8eba8bb82509859d5c526b9691 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
//
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
//
namespace Microsoft.VisualStudio.Text.Utilities
{
using System;
using Microsoft.VisualStudio.Utilities;
using Microsoft.VisualStudio.Text;
using Microsoft.VisualStudio.Text.Editor;
/// <summary>
/// Implements a text view model that simply reexposes the data buffer and an optional edit buffer. The VisualBuffer
/// is the same as the edit buffer, which is in turn the same as the data buffer if no edit buffer is specified.
/// This is the default if no view model provider is specified or if the specified one declines to build a model.
/// </summary>
public class VacuousTextViewModel : ITextViewModel
{
private ITextDataModel dataModel;
private ITextBuffer editBuffer;
public VacuousTextViewModel(ITextDataModel dataModel) : this(dataModel, dataModel.DataBuffer) { }
public VacuousTextViewModel(ITextDataModel dataModel, ITextBuffer editBuffer)
{
this.dataModel = dataModel;
this.editBuffer = editBuffer;
this.Properties = new PropertyCollection();
}
public ITextDataModel DataModel
{
get { return this.dataModel; }
}
public ITextBuffer DataBuffer
{
get { return this.dataModel.DataBuffer; }
}
public ITextBuffer EditBuffer
{
get { return this.editBuffer; }
}
public ITextBuffer VisualBuffer
{
get { return this.EditBuffer; }
}
public void Dispose()
{
GC.SuppressFinalize(this);
}
public PropertyCollection Properties { get; internal set; }
public SnapshotPoint GetNearestPointInVisualBuffer(SnapshotPoint editBufferPoint)
{
// The edit buffer is the same as the visual buffer, so just return the passed-in point.
return editBufferPoint;
}
public SnapshotPoint GetNearestPointInVisualSnapshot(SnapshotPoint editBufferPoint, ITextSnapshot targetVisualSnapshot, PointTrackingMode trackingMode)
{
// The edit buffer is the same as the visual buffer, so just return the passed-in point translated to the correct snapshot.
return editBufferPoint.TranslateTo(targetVisualSnapshot, trackingMode);
}
public bool IsPointInVisualBuffer(SnapshotPoint editBufferPoint, PositionAffinity affinity)
{
// The edit buffer is the same as the visual buffer, so just return true.
return true;
}
}
}
|