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体验新版 GitCode,发现更多精彩内容 >>
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b1cb85e4
编写于
3月 14, 2017
作者:
J
Joao Moreno
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
list: only touch the absolute necessary rows, when working with traits
上级
475879d4
变更
1
隐藏空白更改
内联
并排
Showing
1 changed file
with
37 addition
and
4 deletion
+37
-4
src/vs/base/browser/ui/list/listWidget.ts
src/vs/base/browser/ui/list/listWidget.ts
+37
-4
未找到文件。
src/vs/base/browser/ui/list/listWidget.ts
浏览文件 @
b1cb85e4
...
...
@@ -306,6 +306,33 @@ const DefaultOptions: IListOptions<any> = {
mouseSupport
:
true
};
/**
* Given two sorted collections of numbers, returns the exclusive
* disjunction between them (XOR).
*/
function
exclusiveDisjunction
(
one
:
number
[],
other
:
number
[]):
number
[]
{
const
result
=
[];
let
i
=
0
,
j
=
0
;
while
(
i
<
one
.
length
||
j
<
other
.
length
)
{
if
(
i
>=
one
.
length
)
{
result
.
push
(
other
[
j
++
]);
}
else
if
(
j
>=
other
.
length
)
{
result
.
push
(
one
[
i
++
]);
}
else
if
(
one
[
i
]
===
other
[
j
])
{
i
++
;
j
++
;
continue
;
}
else
if
(
one
[
i
]
<
other
[
j
])
{
result
.
push
(
one
[
i
++
]);
}
else
{
result
.
push
(
other
[
j
++
]);
}
}
return
result
;
}
export
class
List
<
T
>
implements
ISpliceable
<
T
>
,
IDisposable
{
private
static
InstanceCount
=
0
;
...
...
@@ -421,8 +448,11 @@ export class List<T> implements ISpliceable<T>, IDisposable {
setSelection
(
indexes
:
number
[]):
void
{
this
.
eventBufferer
.
bufferEvents
(()
=>
{
indexes
=
indexes
.
concat
(
this
.
selection
.
set
(
indexes
));
indexes
.
forEach
(
i
=>
this
.
view
.
splice
(
i
,
1
,
[
this
.
view
.
element
(
i
)]));
indexes
=
indexes
.
sort
();
const
oldIndexes
=
this
.
selection
.
set
(
indexes
);
const
diffIndexes
=
exclusiveDisjunction
(
oldIndexes
,
indexes
);
diffIndexes
.
forEach
(
i
=>
this
.
view
.
splice
(
i
,
1
,
[
this
.
view
.
element
(
i
)]));
});
}
...
...
@@ -449,8 +479,11 @@ export class List<T> implements ISpliceable<T>, IDisposable {
setFocus
(
indexes
:
number
[]):
void
{
this
.
eventBufferer
.
bufferEvents
(()
=>
{
indexes
=
indexes
.
concat
(
this
.
focus
.
set
(
indexes
));
indexes
.
forEach
(
i
=>
this
.
view
.
splice
(
i
,
1
,
[
this
.
view
.
element
(
i
)]));
indexes
=
indexes
.
sort
();
const
oldIndexes
=
this
.
focus
.
set
(
indexes
);
const
diffIndexes
=
exclusiveDisjunction
(
oldIndexes
,
indexes
);
diffIndexes
.
forEach
(
i
=>
this
.
view
.
splice
(
i
,
1
,
[
this
.
view
.
element
(
i
)]));
});
}
...
...
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