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体验新版 GitCode,发现更多精彩内容 >>
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52d1c60b
编写于
6月 02, 2015
作者:
M
Matt Warren
浏览文件
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电子邮件补丁
差异文件
Use undo transaction so razor docs don't have redundant undos
上级
f0aba114
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
30 addition
and
3 deletion
+30
-3
src/EditorFeatures/Core/Implementation/CommentSelection/CommentUncommentSelectionCommandHandler.cs
...mmentSelection/CommentUncommentSelectionCommandHandler.cs
+30
-3
未找到文件。
src/EditorFeatures/Core/Implementation/CommentSelection/CommentUncommentSelectionCommandHandler.cs
浏览文件 @
52d1c60b
...
...
@@ -16,6 +16,7 @@
using
Microsoft.CodeAnalysis.Text.Shared.Extensions
;
using
Microsoft.VisualStudio.Text
;
using
Microsoft.VisualStudio.Text.Editor
;
using
Microsoft.VisualStudio.Text.Operations
;
using
Roslyn.Utilities
;
namespace
Microsoft.CodeAnalysis.Editor.Implementation.CommentSelection
...
...
@@ -26,14 +27,22 @@ internal class CommentUncommentSelectionCommandHandler :
ICommandHandler
<
UncommentSelectionCommandArgs
>
{
private
readonly
IWaitIndicator
_waitIndicator
;
private
readonly
ITextUndoHistoryRegistry
_undoHistoryRegistry
;
private
readonly
IEditorOperationsFactoryService
_editorOperationsFactoryService
;
[
ImportingConstructor
]
internal
CommentUncommentSelectionCommandHandler
(
IWaitIndicator
waitIndicator
)
IWaitIndicator
waitIndicator
,
ITextUndoHistoryRegistry
undoHistoryRegistry
,
IEditorOperationsFactoryService
editorOperationsFactoryService
)
{
Contract
.
ThrowIfNull
(
waitIndicator
);
Contract
.
ThrowIfNull
(
undoHistoryRegistry
);
Contract
.
ThrowIfNull
(
editorOperationsFactoryService
);
_waitIndicator
=
waitIndicator
;
_undoHistoryRegistry
=
undoHistoryRegistry
;
_editorOperationsFactoryService
=
editorOperationsFactoryService
;
}
private
static
CommandState
GetCommandState
(
ITextBuffer
buffer
,
Func
<
CommandState
>
nextHandler
)
...
...
@@ -103,11 +112,19 @@ internal void ExecuteCommand(ITextView textView, ITextBuffer subjectBuffer, Oper
CollectEdits
(
service
,
textView
.
Selection
.
GetSnapshotSpansOnBuffer
(
subjectBuffer
),
textChanges
,
trackingSpans
,
operation
);
document
.
Project
.
Solution
.
Workspace
.
ApplyTextChanges
(
document
.
Id
,
textChanges
,
waitContext
.
CancellationToken
);
using
(
var
transaction
=
new
CaretPreservingEditTransaction
(
title
,
textView
,
_undoHistoryRegistry
,
_editorOperationsFactoryService
))
{
document
.
Project
.
Solution
.
Workspace
.
ApplyTextChanges
(
document
.
Id
,
textChanges
,
waitContext
.
CancellationToken
);
transaction
.
Complete
();
}
if
(
operation
==
Operation
.
Uncomment
)
{
Format
(
service
,
subjectBuffer
.
CurrentSnapshot
,
trackingSpans
,
waitContext
.
CancellationToken
);
using
(
var
transaction
=
new
CaretPreservingEditTransaction
(
title
,
textView
,
_undoHistoryRegistry
,
_editorOperationsFactoryService
))
{
Format
(
service
,
subjectBuffer
.
CurrentSnapshot
,
trackingSpans
,
waitContext
.
CancellationToken
);
transaction
.
Complete
();
}
}
if
(
trackingSpans
.
Any
())
...
...
@@ -118,6 +135,16 @@ internal void ExecuteCommand(ITextView textView, ITextBuffer subjectBuffer, Oper
});
}
private
static
IEnumerable
<
TextSpan
>
GetUpdatedSpans
(
IEnumerable
<
TextChangeRange
>
ranges
)
{
int
delta
=
0
;
foreach
(
var
range
in
ranges
)
{
yield
return
new
TextSpan
(
range
.
Span
.
Start
+
delta
,
range
.
NewLength
);
delta
+=
(
range
.
NewLength
-
range
.
Span
.
Length
);
}
}
private
void
Format
(
ICommentUncommentService
service
,
ITextSnapshot
snapshot
,
IEnumerable
<
ITrackingSpan
>
changes
,
CancellationToken
cancellationToken
)
{
var
document
=
snapshot
.
GetOpenDocumentInCurrentContextWithChanges
();
...
...
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