Light Classes: Navigate to KtFile from light class containing file

#KT-11689 Fixed

ChangeLog.md

@@ -161,6 +161,7 @@ Issues fixed:
 - Fix several issues leading to exceptions: [KT-11579](https://youtrack.jetbrains.com/issue/KT-11579), [KT-11580](https://youtrack.jetbrains.com/issue/KT-11580)
 - Fixed NoSuchFieldException in Kotlin module settings on IDEA Ultimate
 - [KT-11702](https://youtrack.jetbrains.com/issue/KT-11702) Fixed resolution of Kotlin beans with custom name
+- [KT-11689](https://youtrack.jetbrains.com/issue/KT-11689) Fixed exception on attempt to navigate to Kotlin file from Spring notification balloon
 
 #### Debugger
 

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

@@ -32,25 +32,23 @@
 
 package org.jetbrains.kotlin.asJava
 
-import com.intellij.openapi.vfs.VirtualFile
 import com.intellij.psi.ClassFileViewProvider
-import com.intellij.psi.PsiManager
 import com.intellij.psi.impl.compiled.ClsFileImpl
 import com.intellij.psi.stubs.PsiClassHolderFileStub
 import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.psi.KtFile
 
 open class FakeFileForLightClass(
-        private val packageFqName: FqName,
-        virtualFile: VirtualFile,
-        psiManager: PsiManager,
+        private val ktFile: KtFile,
         private val lightClass: () -> KtLightClass,
-        private val stub: () -> PsiClassHolderFileStub<*>
-) : ClsFileImpl(ClassFileViewProvider(psiManager, virtualFile)) {
+        private val stub: () -> PsiClassHolderFileStub<*>,
+        private val packageFqName: FqName = ktFile.packageFqName
+) : ClsFileImpl(ClassFileViewProvider(ktFile.manager, ktFile.virtualFile)) {
     override fun getPackageName() = packageFqName.asString()
 
     override fun getStub() = stub()
 
     override fun getClasses() = arrayOf(lightClass())
 
-    override fun getNavigationElement() = this
+    override fun getNavigationElement() = ktFile
 }

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

@@ -181,7 +181,7 @@ open class KtLightClassForExplicitDeclaration(
         assert(virtualFile != null) { "No virtual file for " + classOrObject.text }
 
         object : FakeFileForLightClass(
-                classOrObject.getContainingKtFile().packageFqName, virtualFile, myManager,
+                classOrObject.getContainingKtFile(),
                 { if (classOrObject.isTopLevel()) this else create(getOutermostClassOrObject(classOrObject))!! },
                 { getJavaFileStub() }
         ) {

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

@@ -88,9 +88,10 @@ class KtLightClassForFacade private constructor(
             LightEmptyImplementsList(manager)
 
     private val packageClsFile = FakeFileForLightClass(
-            packageFqName, files.first().virtualFile!!, myManager,
+            files.first(),
             lightClass = { this },
-            stub = { lightClassDataCache.value.javaFileStub }
+            stub = { lightClassDataCache.value.javaFileStub },
+            packageFqName = packageFqName
     )
 
     override val kotlinOrigin: KtClassOrObject? get() = null