Move: Add intention to change file package without moving it physically

compiler/frontend/src/org/jetbrains/kotlin/psi/JetPackageDirective.java

@@ -21,17 +21,20 @@ import com.intellij.psi.PsiElement;
 import com.intellij.util.containers.ContainerUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.kotlin.psi.psiUtil.PsiUtilPackage;
+import org.jetbrains.kotlin.lexer.JetTokens;
-import org.jetbrains.kotlin.psi.stubs.KotlinPlaceHolderStub;
-import org.jetbrains.kotlin.psi.stubs.elements.JetStubElementTypes;
 import org.jetbrains.kotlin.name.FqName;
 import org.jetbrains.kotlin.name.Name;
 import org.jetbrains.kotlin.name.SpecialNames;
+import org.jetbrains.kotlin.psi.psiUtil.PsiUtilPackage;
+import org.jetbrains.kotlin.psi.stubs.KotlinPlaceHolderStub;
+import org.jetbrains.kotlin.psi.stubs.elements.JetStubElementTypes;
 
 import java.util.Collections;
 import java.util.List;
 
-public class JetPackageDirective extends JetModifierListOwnerStub<KotlinPlaceHolderStub<JetPackageDirective>> implements JetReferenceExpression {
+public class JetPackageDirective
+        extends JetModifierListOwnerStub<KotlinPlaceHolderStub<JetPackageDirective>>
+        implements JetReferenceExpression {
     private String qualifiedNameCache = null;
 
     public JetPackageDirective(@NotNull ASTNode node) {
@@ -116,6 +119,29 @@ public class JetPackageDirective extends JetModifierListOwnerStub<KotlinPlaceHol
         return new FqName(getQualifiedNameOf(nameExpression));
     }
 
+    public void setFqName(@NotNull FqName fqName) {
+        if (fqName.isRoot()) {
+            delete();
+            return;
+        }
+
+        JetPsiFactory psiFactory = new JetPsiFactory(getProject());
+        PsiElement newExpression = psiFactory.createExpression(fqName.asString());
+        JetExpression currentExpression = getPackageNameExpression();
+        if (currentExpression != null) {
+            currentExpression.replace(newExpression);
+            return;
+        }
+
+        PsiElement keyword = getPackageKeyword();
+        if (keyword != null) {
+            addAfter(newExpression, keyword);
+            return;
+        }
+
+        replace(psiFactory.createPackageDirective(fqName));
+    }
+
     @NotNull
     public String getQualifiedName() {
         if (qualifiedNameCache == null) {
@@ -139,6 +165,11 @@ public class JetPackageDirective extends JetModifierListOwnerStub<KotlinPlaceHol
         return builder.toString();
     }
 
+    @Nullable
+    public PsiElement getPackageKeyword() {
+        return findChildByType(JetTokens.PACKAGE_KEYWORD);
+    }
+
     @Override
     public void subtreeChanged() {
         qualifiedNameCache = null;

compiler/frontend/src/org/jetbrains/kotlin/psi/JetPsiFactory.kt

@@ -284,8 +284,12 @@ public class JetPsiFactory(private val project: Project) {
         return stringTemplateExpression.getEntries()[0] as JetStringTemplateEntryWithExpression
     }
 
+    public fun createPackageDirective(fqName: FqName): JetPackageDirective {
+        return createFile("package ${fqName.asString()}").getPackageDirective()
+    }
+
     public fun createPackageDirectiveIfNeeded(fqName: FqName): JetPackageDirective? {
-        return if (fqName.isRoot()) null else createFile("package ${fqName.asString()}").getPackageDirective()
+        return if (fqName.isRoot()) null else createPackageDirective(fqName)
     }
 
     public fun createImportDirective(path: String): JetImportDirective {

idea/idea-analysis/src/org/jetbrains/kotlin/idea/codeInsight/shorten/shortenWaitingSet.kt

@@ -41,6 +41,17 @@ private var Project.elementsToShorten: MutableSet<ShorteningRequest>?
 public var Project.ensureElementsToShortenIsEmptyBeforeRefactoring: Boolean
         by NotNullableUserDataProperty(Key.create("ENSURE_ELEMENTS_TO_SHORTEN_IS_EMPTY"), true)
 
+public fun Project.runWithElementsToShortenIsEmptyIgnored(action: () -> Unit) {
+    val ensureElementsToShortenIsEmpty = ensureElementsToShortenIsEmptyBeforeRefactoring
+
+    try {
+        ensureElementsToShortenIsEmptyBeforeRefactoring = false
+        action()
+    } finally {
+        ensureElementsToShortenIsEmptyBeforeRefactoring = ensureElementsToShortenIsEmpty
+    }
+}
+
 private fun Project.getOrCreateElementsToShorten(): MutableSet<ShorteningRequest> {
     var elements = elementsToShorten
     if (elements == null) {

idea/resources/intentionDescriptions/ChangePackageIntention/after.kt.template

@@ -0,0 +1,7 @@
+<spot>package bar.foo</spot>
+
+class MyClass: OtherClass {
+    fun myFun() {
+
+    }
+}

idea/resources/intentionDescriptions/ChangePackageIntention/before.kt.template

@@ -0,0 +1,9 @@
+<spot>package foo.bar</spot>
+
+import bar.foo.OtherClass
+
+class MyClass: OtherClass {
+    fun myFun() {
+
+    }
+}

idea/resources/intentionDescriptions/ChangePackageIntention/description.html

@@ -0,0 +1,6 @@
+<html>
+<body>
+This intention changes qualified package name of the current file without moving the file itself.
+All references and import directives are updated accordingly.
+</body>
+</html>

idea/src/META-INF/plugin.xml

@@ -848,6 +848,11 @@
       <category>Kotlin</category>
     </intentionAction>
 
+    <intentionAction>
+      <className>org.jetbrains.kotlin.idea.refactoring.move.changePackage.ChangePackageIntention</className>
+      <category>Kotlin</category>
+    </intentionAction>
+
     <localInspection implementationClass="org.jetbrains.kotlin.idea.inspections.ExplicitGetInspection"
         displayName="Explicit 'get'"
         groupName="Kotlin"

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

@@ -0,0 +1,74 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.idea.refactoring.move.changePackage;
+
+import com.intellij.codeInsight.lookup.LookupElement
+import com.intellij.codeInsight.lookup.LookupElementBuilder
+import com.intellij.codeInsight.template.*
+import com.intellij.codeInsight.template.impl.TemplateManagerImpl
+import com.intellij.codeInsight.template.impl.TemplateState
+import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.util.Disposer
+import com.intellij.psi.PsiDocumentManager
+import org.jetbrains.kotlin.idea.codeInsight.CodeInsightUtils
+import org.jetbrains.kotlin.idea.core.refactoring.canRefactor
+import org.jetbrains.kotlin.idea.intentions.JetSelfTargetingOffsetIndependentIntention
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.psi.JetPackageDirective
+
+public class ChangePackageIntention: JetSelfTargetingOffsetIndependentIntention<JetPackageDirective>(javaClass(), "Change package") {
+    override fun isApplicableTo(element: JetPackageDirective) = element.getPackageNameExpression() != null
+
+    override fun applyTo(element: JetPackageDirective, editor: Editor) {
+        if (ApplicationManager.getApplication().isUnitTestMode()) {
+            throw UnsupportedOperationException("Do not call applyTo() in the test mode")
+        }
+
+        val file = element.getContainingJetFile()
+        val project = file.getProject()
+
+        val nameExpression = element.getPackageNameExpression()!!
+        val currentName = element.getQualifiedName()
+
+        val builder = TemplateBuilderImpl(file)
+        builder.replaceElement(
+                nameExpression,
+                object: Expression() {
+                    override fun calculateQuickResult(context: ExpressionContext?) = TextResult(currentName)
+                    override fun calculateResult(context: ExpressionContext?) = TextResult(currentName)
+                    override fun calculateLookupItems(context: ExpressionContext?) = arrayOf(LookupElementBuilder.create(currentName))
+                }
+        )
+        editor.getCaretModel().moveToOffset(0)
+        TemplateManager.getInstance(project).startTemplate(
+                editor,
+                builder.buildInlineTemplate(),
+                object: TemplateEditingAdapter() {
+                    override fun templateFinished(template: Template?, brokenOff: Boolean) {
+                        if (!brokenOff) {
+                            // Restore original name and run refactoring
+                            val packageDirective = file.getPackageDirective()!!
+                            val newFqName = packageDirective.getFqName()
+                            packageDirective.setFqName(FqName(currentName))
+                            KotlinChangePackageRefactoring(file).run(newFqName)
+                        }
+                    }
+                }
+        )
+    }
+}

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

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2010-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.idea.refactoring.move.changePackage
+
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiFile
+import com.intellij.refactoring.PackageWrapper
+import org.jetbrains.kotlin.idea.codeInsight.shorten.runWithElementsToShortenIsEmptyIgnored
+import org.jetbrains.kotlin.idea.refactoring.move.PackageNameInfo
+import org.jetbrains.kotlin.idea.refactoring.move.getInternalReferencesToUpdateOnPackageNameChange
+import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.KotlinMoveTarget
+import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsOptions
+import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsProcessor
+import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.Mover
+import org.jetbrains.kotlin.idea.refactoring.move.postProcessMoveUsages
+import org.jetbrains.kotlin.idea.util.application.executeWriteCommand
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.psi.JetFile
+import org.jetbrains.kotlin.psi.JetNamedDeclaration
+
+public class KotlinChangePackageRefactoring(val file: JetFile) {
+    private val project = file.getProject()
+
+    fun run(newFqName: FqName) {
+        val packageDirective = file.getPackageDirective() ?: return
+        val currentFqName = packageDirective.getFqName()
+
+        val declarationProcessor = MoveKotlinTopLevelDeclarationsProcessor(
+                project,
+                MoveKotlinTopLevelDeclarationsOptions(
+                        elementsToMove = file.getDeclarations().filterIsInstance<JetNamedDeclaration>(),
+                        moveTarget = object: KotlinMoveTarget {
+                            override val packageWrapper = PackageWrapper(file.getManager(), newFqName.asString())
+
+                            override fun getOrCreateTargetPsi(originalPsi: PsiElement) = originalPsi.getContainingFile()
+
+                            override fun getTargetPsiIfExists(originalPsi: PsiElement) = null
+
+                            override fun verify(file: PsiFile) = null
+                        },
+                        updateInternalReferences = false
+                ),
+                Mover.Idle // we don't need to move any declarations physically
+        )
+
+        val declarationUsages = declarationProcessor.findUsages().toList()
+        val internalUsages = file.getInternalReferencesToUpdateOnPackageNameChange(PackageNameInfo(currentFqName, newFqName))
+
+        project.executeWriteCommand("Change file's package to '${newFqName.asString()}'") {
+            postProcessMoveUsages(internalUsages)
+            packageDirective.setFqName(newFqName)
+            project.runWithElementsToShortenIsEmptyIgnored { declarationProcessor.execute(declarationUsages) }
+        }
+    }
+}

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

@@ -16,27 +16,26 @@
 
 package org.jetbrains.kotlin.idea.refactoring.move.moveFilesOrDirectories
 
-import com.intellij.refactoring.move.moveFilesOrDirectories.MoveFileHandler
-import com.intellij.psi.PsiFile
-import com.intellij.psi.PsiDirectory
-import com.intellij.psi.PsiElement
-import com.intellij.usageView.UsageInfo
 import com.intellij.openapi.roots.JavaProjectRootsUtil
 import com.intellij.psi.PsiCompiledElement
-import org.jetbrains.kotlin.psi.JetFile
+import com.intellij.psi.PsiDirectory
-import org.jetbrains.kotlin.psi.JetNamedDeclaration
+import com.intellij.psi.PsiElement
-import org.jetbrains.kotlin.name.FqName
+import com.intellij.psi.PsiFile
-import org.jetbrains.kotlin.idea.references.JetSimpleNameReference
+import com.intellij.refactoring.move.moveFilesOrDirectories.MoveFileHandler
-import org.jetbrains.kotlin.psi.psiUtil.getPackage
+import com.intellij.refactoring.move.moveFilesOrDirectories.MoveFilesOrDirectoriesUtil
+import com.intellij.usageView.UsageInfo
+import org.jetbrains.kotlin.idea.codeInsight.shorten.runWithElementsToShortenIsEmptyIgnored
 import org.jetbrains.kotlin.idea.refactoring.move.PackageNameInfo
 import org.jetbrains.kotlin.idea.refactoring.move.getInternalReferencesToUpdateOnPackageNameChange
-import org.jetbrains.kotlin.idea.refactoring.move.postProcessMoveUsages
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsProcessor
-import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsOptions
-import com.intellij.refactoring.move.moveFilesOrDirectories.MoveFilesOrDirectoriesUtil
 import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.DeferredJetFileKotlinMoveTarget
+import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsOptions
+import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsProcessor
 import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.Mover
-import org.jetbrains.kotlin.idea.codeInsight.shorten.ensureElementsToShortenIsEmptyBeforeRefactoring
+import org.jetbrains.kotlin.idea.refactoring.move.postProcessMoveUsages
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.psi.JetFile
+import org.jetbrains.kotlin.psi.JetNamedDeclaration
+import org.jetbrains.kotlin.psi.psiUtil.getPackage
 
 public class MoveKotlinFileHandler : MoveFileHandler() {
     private var packageNameInfo: PackageNameInfo? = null
@@ -82,10 +81,7 @@ public class MoveKotlinFileHandler : MoveFileHandler() {
                         },
                         updateInternalReferences = false
                 ),
-                object: Mover {
+                Mover.Idle
-                    [suppress("PARAMETER_NAME_CHANGED_ON_OVERRIDE")]
-                    override fun invoke(originalElement: JetNamedDeclaration, targetFile: JetFile): JetNamedDeclaration = originalElement
-                }
         )
 
         this.packageNameInfo = packageNameInfo
@@ -100,29 +96,20 @@ public class MoveKotlinFileHandler : MoveFileHandler() {
 
     override fun updateMovedFile(file: PsiFile) {
         if (file !is JetFile) return
+        val packageNameInfo = packageNameInfo ?: return
 
-        val packageNameInfo = packageNameInfo
+        postProcessMoveUsages(file.getInternalReferencesToUpdateOnPackageNameChange(packageNameInfo))
-        if (packageNameInfo == null) return
+        file.getPackageDirective()?.setFqName(packageNameInfo.newPackageName)
-
-        val usages = file.getInternalReferencesToUpdateOnPackageNameChange(packageNameInfo)
-        postProcessMoveUsages(usages)
-
-        val packageRef = file.getPackageDirective()?.getLastReferenceExpression()?.getReference() as? JetSimpleNameReference
-        packageRef?.bindToFqName(packageNameInfo.newPackageName)
     }
 
     override fun retargetUsages(usageInfos: List<UsageInfo>?, oldToNewMap: Map<PsiElement, PsiElement>?) {
         val processor = declarationMoveProcessor ?: return
-
+        processor.project.runWithElementsToShortenIsEmptyIgnored {
-        val project = processor.project
+            try {
-        val ensureElementsToShortenIsEmpty = project.ensureElementsToShortenIsEmptyBeforeRefactoring
+                usageInfos?.let { processor.execute(it) }
-
+            } finally {
-        try {
+                clearState()
-            project.ensureElementsToShortenIsEmptyBeforeRefactoring = false
+            }
-            usageInfos?.let { processor.execute(it) }
-        } finally {
-            project.ensureElementsToShortenIsEmptyBeforeRefactoring = ensureElementsToShortenIsEmpty
-            clearState()
         }
     }
 }

idea/src/org/jetbrains/kotlin/idea/refactoring/move/moveTopLevelDeclarations/MoveKotlinTopLevelDeclarationsProcessor.kt

@@ -72,6 +72,11 @@ trait Mover: (originalElement: JetNamedDeclaration, targetFile: JetFile) -> JetN
             return newElement
         }
     }
+
+    object Idle: Mover {
+        [suppress("PARAMETER_NAME_CHANGED_ON_OVERRIDE")]
+        override fun invoke(originalElement: JetNamedDeclaration, targetFile: JetFile) = originalElement
+    }
 }
 
 public class MoveKotlinTopLevelDeclarationsOptions(

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/after/source/test.kt

@@ -0,0 +1,5 @@
+class Foo
+
+fun foo() {
+
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/after/usagesWithFqNames.java

@@ -0,0 +1,6 @@
+class Test {
+    static void test() {
+        new Foo();
+        _DefaultPackage.foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/after/usagesWithFqNames.kt

@@ -0,0 +1,4 @@
+fun test() {
+    Foo()
+    foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/after/usagesWithImports.java

@@ -0,0 +1,8 @@
+import static _DefaultPackage.foo;
+
+class Test {
+    static void test() {
+        new Foo();
+        foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/after/usagesWithImports.kt

@@ -0,0 +1,7 @@
+import Foo
+import foo
+
+fun test() {
+    Foo()
+    foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/before/source/test.kt

@@ -0,0 +1,7 @@
+package source
+
+class Foo
+
+fun foo() {
+
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/before/usagesWithFqNames.java

@@ -0,0 +1,6 @@
+class Test {
+    static void test() {
+        new source.Foo();
+        source.SourcePackage.foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/before/usagesWithFqNames.kt

@@ -0,0 +1,4 @@
+fun test() {
+    source.Foo()
+    source.foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/before/usagesWithImports.java

@@ -0,0 +1,9 @@
+import source.Foo;
+import static source.SourcePackage.foo;
+
+class Test {
+    static void test() {
+        new Foo();
+        foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/before/usagesWithImports.kt

@@ -0,0 +1,7 @@
+import source.Foo
+import source.foo
+
+fun test() {
+    Foo()
+    foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/changeToDefaultPackage.test

@@ -0,0 +1,5 @@
+{
+  "mainFile": "source/test.kt",
+  "type": "CHANGE_PACKAGE_DIRECTIVE",
+  "newPackageName": ""
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/after/source/test.kt

@@ -0,0 +1,7 @@
+package target
+
+class Foo
+
+fun foo() {
+
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/after/target/usagesWithFqNames.java

@@ -0,0 +1,8 @@
+package target;
+
+class Test {
+    static void test() {
+        new Foo();
+        TargetPackage.foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/after/target/usagesWithFqNames.kt

@@ -0,0 +1,6 @@
+package target
+
+fun test() {
+    Foo()
+    foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/after/target/usagesWithImports.java

@@ -0,0 +1,10 @@
+package target;
+
+import static target.TargetPackage.foo;
+
+class Test {
+    static void test() {
+        new Foo();
+        foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/after/target/usagesWithImports.kt

@@ -0,0 +1,9 @@
+package target
+
+import target.Foo
+import target.foo
+
+fun test() {
+    Foo()
+    foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/after/usages/usagesWithFqNames.java

@@ -0,0 +1,11 @@
+package usages;
+
+import target.Foo;
+import target.TargetPackage;
+
+class Test {
+    static void test() {
+        new Foo();
+        TargetPackage.foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/after/usages/usagesWithFqNames.kt

@@ -0,0 +1,9 @@
+package usages
+
+import target.Foo
+import target.foo
+
+fun test() {
+    Foo()
+    foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/after/usages/usagesWithImports.java

@@ -0,0 +1,11 @@
+package usages;
+
+import target.Foo;
+import static target.TargetPackage.foo;
+
+class Test {
+    static void test() {
+        new Foo();
+        foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/after/usages/usagesWithImports.kt

@@ -0,0 +1,9 @@
+package usages
+
+import target.Foo
+import target.foo
+
+fun test() {
+    Foo()
+    foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/before/source/test.kt

@@ -0,0 +1,7 @@
+package source
+
+class Foo
+
+fun foo() {
+
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/before/target/usagesWithFqNames.java

@@ -0,0 +1,8 @@
+package target;
+
+class Test {
+    static void test() {
+        new source.Foo();
+        source.SourcePackage.foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/before/target/usagesWithFqNames.kt

@@ -0,0 +1,6 @@
+package target
+
+fun test() {
+    source.Foo()
+    source.foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/before/target/usagesWithImports.java

@@ -0,0 +1,11 @@
+package target;
+
+import source.Foo;
+import static source.SourcePackage.foo;
+
+class Test {
+    static void test() {
+        new Foo();
+        foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/before/target/usagesWithImports.kt

@@ -0,0 +1,9 @@
+package target
+
+import source.Foo
+import source.foo
+
+fun test() {
+    Foo()
+    foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/before/usages/usagesWithFqNames.java

@@ -0,0 +1,8 @@
+package usages;
+
+class Test {
+    static void test() {
+        new source.Foo();
+        source.SourcePackage.foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/before/usages/usagesWithFqNames.kt

@@ -0,0 +1,6 @@
+package usages
+
+fun test() {
+    source.Foo()
+    source.foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/before/usages/usagesWithImports.java

@@ -0,0 +1,11 @@
+package usages;
+
+import source.Foo;
+import static source.SourcePackage.foo;
+
+class Test {
+    static void test() {
+        new Foo();
+        foo();
+    }
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/before/usages/usagesWithImports.kt

@@ -0,0 +1,9 @@
+package usages
+
+import source.Foo
+import source.foo
+
+fun test() {
+    Foo()
+    foo()
+}

idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/changeToNonDefaultPackage.test

@@ -0,0 +1,5 @@
+{
+  "mainFile": "source/test.kt",
+  "type": "CHANGE_PACKAGE_DIRECTIVE",
+  "newPackageName": "target"
+}

idea/tests/org/jetbrains/kotlin/idea/refactoring/move/AbstractJetMoveTest.kt

@@ -37,6 +37,7 @@ import com.intellij.refactoring.move.moveInner.MoveInnerProcessor
 import com.intellij.refactoring.move.moveMembers.MockMoveMembersOptions
 import com.intellij.refactoring.move.moveMembers.MoveMembersProcessor
 import com.intellij.util.ActionRunner
+import org.jetbrains.kotlin.idea.refactoring.move.changePackage.KotlinChangePackageRefactoring
 import org.jetbrains.kotlin.idea.test.KotlinMultiFileTestCase
 import org.jetbrains.kotlin.idea.test.PluginTestCaseBase
 import org.jetbrains.kotlin.idea.refactoring.move.moveTopLevelDeclarations.JetFileKotlinMoveTarget
@@ -49,6 +50,7 @@ import org.jetbrains.kotlin.psi.JetFile
 import org.jetbrains.kotlin.psi.JetNamedDeclaration
 import org.jetbrains.kotlin.psi.psiUtil.getNonStrictParentOfType
 import org.jetbrains.kotlin.idea.test.ConfigLibraryUtil
+import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.test.JetTestUtils
 import java.io.File
 
@@ -269,5 +271,11 @@ enum class MoveAction {
         }
     }
 
+    CHANGE_PACKAGE_DIRECTIVE {
+        override fun runRefactoring(rootDir: VirtualFile, mainFile: PsiFile, elementAtCaret: PsiElement?, config: JsonObject) {
+            KotlinChangePackageRefactoring(mainFile as JetFile).run(FqName(config.getString("newPackageName")))
+        }
+    }
+
     abstract fun runRefactoring(rootDir: VirtualFile, mainFile: PsiFile, elementAtCaret: PsiElement?, config: JsonObject)
 }

idea/tests/org/jetbrains/kotlin/idea/refactoring/move/JetMoveTestGenerated.java

@@ -209,6 +209,18 @@ public class JetMoveTestGenerated extends AbstractJetMoveTest {
         doTest(fileName);
     }
 
+    @TestMetadata("kotlin/changePackage/changeToDefaultPackage/changeToDefaultPackage.test")
+    public void testKotlin_changePackage_changeToDefaultPackage_ChangeToDefaultPackage() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/refactoring/move/kotlin/changePackage/changeToDefaultPackage/changeToDefaultPackage.test");
+        doTest(fileName);
+    }
+
+    @TestMetadata("kotlin/changePackage/changeToNonDefaultPackage/changeToNonDefaultPackage.test")
+    public void testKotlin_changePackage_changeToNonDefaultPackage_ChangeToNonDefaultPackage() throws Exception {
+        String fileName = JetTestUtils.navigationMetadata("idea/testData/refactoring/move/kotlin/changePackage/changeToNonDefaultPackage/changeToNonDefaultPackage.test");
+        doTest(fileName);
+    }
+
     @TestMetadata("kotlin/moveFile/internalReferences/internalReferences.test")
     public void testKotlin_moveFile_internalReferences_InternalReferences() throws Exception {
         String fileName = JetTestUtils.navigationMetadata("idea/testData/refactoring/move/kotlin/moveFile/internalReferences/internalReferences.test");