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lst: avoid accidental modifications of base content

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* do not allow to change base content via diff preview
This commit is contained in:
Aleksey Pivovarov
2018-01-12 19:23:44 +03:00
parent 5110d94a1e
commit 87e734856b
1 changed files with 9 additions and 1 deletions
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platform/diff-impl/src/com/intellij/openapi/vcs/ex/LineStatusTrackerBase.kt
+9 -1
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@@ -61,6 +61,7 @@ abstract class LineStatusTrackerBase<R : Range> {
vcsDocument = DocumentImpl(this.document.immutableCharSequence)
vcsDocument.putUserData(UndoConstants.DONT_RECORD_UNDO, true)
vcsDocument.setReadOnly(true)
documentTracker = DocumentTracker(vcsDocument, this.document)
documentTracker.addListener(MyLineTrackerListener())
@@ -123,7 +124,14 @@ abstract class LineStatusTrackerBase<R : Range> {
@CalledInAwt
protected fun updateDocument(side: Side, commandName: String?, task: (Document) -> Unit): Boolean {
val doc = side[vcsDocument, document]
return DiffUtil.executeWriteCommand(doc, project, commandName, { task(doc) })
if (side.isLeft) doc.setReadOnly(false)
try {
return DiffUtil.executeWriteCommand(doc, project, commandName, { task(doc) })
}
finally {
if (side.isLeft) doc.setReadOnly(true)
}
}
@CalledInAwt