Rename: Fix exceptions on moving file with facade class to another package

#KT-14325 Fixed

ChangeLog.md

@@ -343,6 +343,7 @@ These artifacts include extensions for the types available in the latter JDKs, s
 - [`KT-14814`](https://youtrack.jetbrains.com/issue/KT-14814) Rename: Fix renaming of .kts file to .kt and vice versa
 - [`KT-14361`](https://youtrack.jetbrains.com/issue/KT-14361) Rename: Do not report redeclaration conflict for private top-level declarations located in different files
 - [`KT-14596`](https://youtrack.jetbrains.com/issue/KT-14596) Safe Delete: Fix exception on deleting Java class used in Kotlin import directive(s)
+- [`KT-14325`](https://youtrack.jetbrains.com/issue/KT-14325) Rename: Fix exceptions on moving file with facade class to another package
 
 ## 1.0.5
 

compiler/light-classes/src/org/jetbrains/kotlin/asJava/elements/FakeFileForLightClass.kt

@@ -23,6 +23,7 @@ import com.intellij.psi.PsiElementVisitor
 import com.intellij.psi.impl.compiled.ClsFileImpl
 import com.intellij.psi.stubs.PsiClassHolderFileStub
 import org.jetbrains.kotlin.asJava.classes.KtLightClass
+import org.jetbrains.kotlin.asJava.classes.KtLightClassForFacade
 import org.jetbrains.kotlin.asJava.classes.KtLightClassForSourceDeclaration
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.KtFile
@@ -69,4 +70,13 @@ open class FakeFileForLightClass(
     }
 
     override fun isEquivalentTo(another: PsiElement?) = this == another
+
+    override fun setPackageName(packageName: String) {
+        if (lightClass() is KtLightClassForFacade) {
+            ktFile.packageDirective?.fqName = FqName(packageName)
+        }
+        else {
+            super.setPackageName(packageName)
+        }
+    }
 }

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveDeclarations/MoveKotlinDeclarationsHandler.kt

@@ -30,6 +30,7 @@ import com.intellij.refactoring.move.MoveCallback
 import com.intellij.refactoring.move.MoveHandlerDelegate
 import com.intellij.refactoring.move.moveClassesOrPackages.MoveClassesOrPackagesImpl
 import com.intellij.refactoring.util.CommonRefactoringUtil
+import org.jetbrains.kotlin.asJava.unwrapped
 import org.jetbrains.kotlin.idea.core.getPackage
 import org.jetbrains.kotlin.idea.refactoring.canRefactor
 import org.jetbrains.kotlin.idea.refactoring.move.moveDeclarations.ui.KotlinSelectNestedClassRefactoringDialog
@@ -168,7 +169,7 @@ class MoveKotlinDeclarationsHandler : MoveHandlerDelegate() {
     override fun tryToMove(
             element: PsiElement, project: Project, dataContext: DataContext?, reference: PsiReference?, editor: Editor?
     ): Boolean {
-        val elementsToMove = arrayOf(element)
+        val elementsToMove = element.unwrapped?.let { arrayOf(it) } ?: PsiElement.EMPTY_ARRAY
         val targetContainer = dataContext?.let { dataContext -> LangDataKeys.TARGET_PSI_ELEMENT.getData(dataContext) }
         return canMove(elementsToMove, targetContainer, true) && doMoveWithCheck(project, elementsToMove, targetContainer, null, editor)
     }

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveFilesOrDirectories/KotlinMoveFilesOrDirectoriesHandler.kt

@@ -16,10 +16,14 @@
 
 package org.jetbrains.kotlin.idea.refactoring.move.moveFilesOrDirectories
 
+import com.intellij.openapi.actionSystem.DataContext
+import com.intellij.openapi.actionSystem.LangDataKeys
+import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.project.Project
 import com.intellij.psi.*
 import com.intellij.refactoring.move.MoveCallback
 import com.intellij.refactoring.move.moveFilesOrDirectories.MoveFilesOrDirectoriesHandler
+import org.jetbrains.kotlin.asJava.classes.KtLightClassForFacade
 import org.jetbrains.kotlin.idea.refactoring.move.*
 import org.jetbrains.kotlin.psi.KtClassOrObject
 import org.jetbrains.kotlin.psi.KtFile
@@ -54,4 +58,13 @@ class KotlinMoveFilesOrDirectoriesHandler : MoveFilesOrDirectoriesHandler() {
             callback?.refactoringCompleted()
         }
     }
+
+    override fun tryToMove(element: PsiElement, project: Project, dataContext: DataContext?, reference: PsiReference?, editor: Editor?): Boolean {
+        if (element is KtLightClassForFacade) {
+            doMove(project, element.files.toTypedArray(), dataContext?.getData(LangDataKeys.TARGET_PSI_ELEMENT), null)
+            return true
+        }
+
+        return super.tryToMove(element, project, dataContext, reference, editor)
+    }
 }