Inspections: Don't show "Package directive doesn't match file location" in injected code

#KT-12376 Fixed
(cherry picked from commit a5a5fe5)

ChangeLog.md

@@ -206,6 +206,7 @@
 - [`KT-12284`](https://youtrack.jetbrains.com/issue/KT-12284) Too wide applicability range for "Add braces to else" intention
 - [`KT-11975`](https://youtrack.jetbrains.com/issue/KT-11975) "Invert if-condition" intention does not simplify `is` expression
 - [`KT-12437`](https://youtrack.jetbrains.com/issue/KT-12437) "Replace explicit parameter" intention is suggested for parameter of inner lambda in presence of `it` from outer lambda
+- [`KT-12376`](https://youtrack.jetbrains.com/issue/KT-12376) Don't show "Package directive doesn't match file location" in injected code
 
 #### Language injection
 

idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt

@@ -20,6 +20,7 @@ import com.intellij.codeInsight.daemon.impl.quickfix.CreateFromUsageUtils
 import com.intellij.codeInsight.unwrap.RangeSplitter
 import com.intellij.codeInsight.unwrap.UnwrapHandler
 import com.intellij.ide.util.PsiElementListCellRenderer
+import com.intellij.lang.injection.InjectedLanguageManager
 import com.intellij.lang.java.JavaLanguage
 import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.command.CommandAdapter
@@ -787,3 +788,9 @@ internal fun DeclarationDescriptor.explicateAsTextForReceiver(): String {
 internal fun ImplicitReceiver.explicateAsText(): String {
     return declarationDescriptor.explicateAsTextForReceiver()
 }
+
+val PsiFile.isInjectedFragment: Boolean
+    get() = InjectedLanguageManager.getInstance(project).isInjectedFragment(this)
+
+val PsiElement.isInsideInjectedFragment: Boolean
+    get() = containingFile.isInjectedFragment

idea/src/org/jetbrains/kotlin/idea/refactoring/move/changePackage/ChangePackageToMatchDirectoryIntention.kt

@@ -19,8 +19,9 @@ package org.jetbrains.kotlin.idea.refactoring.move.changePackage
 import com.intellij.openapi.editor.Editor
 import org.jetbrains.kotlin.idea.core.getFqNameByDirectory
 import org.jetbrains.kotlin.idea.core.packageMatchesDirectory
-import org.jetbrains.kotlin.idea.refactoring.hasIdentifiersOnly
 import org.jetbrains.kotlin.idea.intentions.SelfTargetingOffsetIndependentIntention
+import org.jetbrains.kotlin.idea.refactoring.hasIdentifiersOnly
+import org.jetbrains.kotlin.idea.refactoring.isInjectedFragment
 import org.jetbrains.kotlin.psi.KtPackageDirective
 
 class ChangePackageToMatchDirectoryIntention : SelfTargetingOffsetIndependentIntention<KtPackageDirective>(
@@ -28,7 +29,7 @@ class ChangePackageToMatchDirectoryIntention : SelfTargetingOffsetIndependentInt
 ) {
     override fun isApplicableTo(element: KtPackageDirective): Boolean {
         val file = element.getContainingKtFile()
-        if (file.packageMatchesDirectory()) return false
+        if (file.isInjectedFragment || file.packageMatchesDirectory()) return false
 
         val fqNameByDirectory = file.getFqNameByDirectory()
         if (!fqNameByDirectory.toUnsafe().hasIdentifiersOnly()) {

idea/src/org/jetbrains/kotlin/idea/refactoring/move/changePackage/MoveFileToPackageMatchingDirectoryIntention.kt

@@ -28,12 +28,14 @@ import com.intellij.refactoring.move.moveFilesOrDirectories.MoveFilesOrDirectori
 import com.intellij.refactoring.util.RefactoringMessageUtil
 import org.jetbrains.kotlin.idea.core.packageMatchesDirectory
 import org.jetbrains.kotlin.idea.intentions.SelfTargetingOffsetIndependentIntention
+import org.jetbrains.kotlin.idea.refactoring.isInsideInjectedFragment
 import org.jetbrains.kotlin.psi.KtPackageDirective
 
 class MoveFileToPackageMatchingDirectoryIntention : SelfTargetingOffsetIndependentIntention<KtPackageDirective>(
         KtPackageDirective::class.java, "", "Move file to package-matching directory"
 ) {
     override fun isApplicableTo(element: KtPackageDirective): Boolean {
+        if (element.isInsideInjectedFragment) return false
         if (element.getContainingKtFile().packageMatchesDirectory()) return false
 
         val qualifiedName = element.qualifiedName