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体验新版 GitCode,发现更多精彩内容 >>
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b204db2d
编写于
10月 07, 2015
作者:
C
Cyrus Najmabadi
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差异文件
Refactor thigns a bit
上级
a85956c4
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
17 addition
and
14 deletion
+17
-14
src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractLanguageService`3.cs
...plementation/LanguageService/AbstractLanguageService`3.cs
+17
-14
未找到文件。
src/VisualStudio/Core/Def/Implementation/LanguageService/AbstractLanguageService`3.cs
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b204db2d
...
...
@@ -139,18 +139,28 @@ protected override void SetupNewTextView(IVsTextView textView)
if
(
isOpenMetadataAsSource
)
{
// If this file is a metadata-from-source file, we want to force-collapse any implementations.
SynchronouslyComputeOutliningTags
(
wpfTextView
,
outliningManager
,
c
=>
c
.
Tag
.
IsImplementation
);
// First make sure we know what all the outlining spans are. Then ask the outlining mananger
// to collapse all the implementation spans.
EnsureOutliningTagsComputed
(
wpfTextView
);
outliningManager
.
CollapseAll
(
wpfTextView
.
TextBuffer
.
CurrentSnapshot
.
GetFullSpan
(),
c
=>
c
.
Tag
.
IsImplementation
);
}
else
{
// We also want to automatically collapse any region tags *on the first
// load of a file* if the file contains them. In order to not do expensive
// parsing, we only do this if the file contains #region in it.
if
(
ContainsRegionTag
(
wpfTextView
.
TextSnapshot
))
{
// We also want to automatically collapse any region tags if the file contains them.
SynchronouslyComputeOutliningTags
(
wpfTextView
,
outliningManager
);
// Make sure we at least know what the outlining spans are.
// Then when we call PersistOutliningState below the editor will
// get these outlining tags and automatically collapse any
// IsDefaultCollapsed spans the first time around.
//
// If it is not the first time opening a file, VS will simply use
// the data stored in the SUO file.
EnsureOutliningTagsComputed
(
wpfTextView
);
}
// Set the initial outlining state by reading from the suo file, this operation requires
// us to synchronously compute the outlining region tags.
viewEx
.
PersistOutliningState
();
}
}
...
...
@@ -199,24 +209,17 @@ private bool StartsWithRegionTag(ITextSnapshotLine line)
return
false
;
}
private
void
SynchronouslyComputeOutliningTags
(
IWpfTextView
wpfTextView
,
IOutliningManager
outliningManager
,
Predicate
<
ICollapsible
>
collapse
=
null
)
private
void
EnsureOutliningTagsComputed
(
IWpfTextView
wpfTextView
)
{
// We need to get our outlining tag source to notify it to start blocking
var
outliningTaggerProvider
=
this
.
Package
.
ComponentModel
.
GetService
<
OutliningTaggerProvider
>();
var
subjectBuffer
=
wpfTextView
.
TextBuffer
;
var
snapshot
=
subjectBuffer
.
CurrentSnapshot
;
var
fullSpan
=
snapshot
.
GetFullSpan
();
var
tagger
=
outliningTaggerProvider
.
CreateTagger
<
IOutliningRegionTag
>(
subjectBuffer
);
using
(
var
disposable
=
tagger
as
IDisposable
)
{
tagger
.
GetAllTags
(
new
NormalizedSnapshotSpanCollection
(
fullSpan
),
CancellationToken
.
None
);
if
(
collapse
!=
null
)
{
outliningManager
.
CollapseAll
(
fullSpan
,
collapse
);
}
tagger
.
GetAllTags
(
new
NormalizedSnapshotSpanCollection
(
snapshot
.
GetFullSpan
()),
CancellationToken
.
None
);
}
}
...
...
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