Move top-level declarations: Refactoring UI

annotations/com/intellij/refactoring/move/annotations.xml

@@ -0,0 +1,33 @@
+<root>
+  <item
+      name='com.intellij.refactoring.move.MoveHandlerDelegate boolean canMove(com.intellij.psi.PsiElement[], com.intellij.psi.PsiElement) 0'>
+    <annotation name='org.jetbrains.annotations.NotNull'/>
+  </item>
+  <item
+      name='com.intellij.refactoring.move.MoveHandlerDelegate boolean isValidTarget(com.intellij.psi.PsiElement, com.intellij.psi.PsiElement[]) 1'>
+    <annotation name='org.jetbrains.annotations.NotNull'/>
+  </item>
+  <item
+      name='com.intellij.refactoring.move.MoveHandlerDelegate boolean tryToMove(com.intellij.psi.PsiElement, com.intellij.openapi.project.Project, com.intellij.openapi.actionSystem.DataContext, com.intellij.psi.PsiReference, com.intellij.openapi.editor.Editor)'>
+    <annotation name='kotlin.jvm.KotlinSignature'>
+      <val name="value"
+           val="&quot;fun tryToMove(element: PsiElement, project: Project, dataContext: DataContext?, reference: PsiReference?, editor: Editor?): Boolean&quot;"/>
+    </annotation>
+  </item>
+  <item
+      name='com.intellij.refactoring.move.MoveHandlerDelegate com.intellij.psi.PsiElement[] adjustForMove(com.intellij.openapi.project.Project, com.intellij.psi.PsiElement[], com.intellij.psi.PsiElement) 0'>
+    <annotation name='org.jetbrains.annotations.NotNull'/>
+  </item>
+  <item
+      name='com.intellij.refactoring.move.MoveHandlerDelegate com.intellij.psi.PsiElement[] adjustForMove(com.intellij.openapi.project.Project, com.intellij.psi.PsiElement[], com.intellij.psi.PsiElement) 1'>
+    <annotation name='org.jetbrains.annotations.NotNull'/>
+  </item>
+  <item
+      name='com.intellij.refactoring.move.MoveHandlerDelegate void doMove(com.intellij.openapi.project.Project, com.intellij.psi.PsiElement[], com.intellij.psi.PsiElement, com.intellij.refactoring.move.MoveCallback) 0'>
+    <annotation name='org.jetbrains.annotations.NotNull'/>
+  </item>
+  <item
+      name='com.intellij.refactoring.move.MoveHandlerDelegate void doMove(com.intellij.openapi.project.Project, com.intellij.psi.PsiElement[], com.intellij.psi.PsiElement, com.intellij.refactoring.move.MoveCallback) 1'>
+    <annotation name='org.jetbrains.annotations.NotNull'/>
+  </item>
+</root>

idea/src/META-INF/plugin.xml

@@ -170,7 +170,13 @@
     <lang.unwrapDescriptor language="jet" implementationClass="org.jetbrains.jet.plugin.codeInsight.unwrap.KotlinUnwrapDescriptor"/>
     <quoteHandler fileType="Kotlin" className="org.jetbrains.jet.plugin.editor.KotlinQuoteHandler"/>
     <refactoring.helper implementation="org.jetbrains.jet.plugin.codeInsight.KotlinShortenReferencesRefactoringHelper"/>
-    <refactoring.moveHandler implementation="org.jetbrains.jet.plugin.refactoring.move.moveFilesOrDirectories.KotlinMoveFilesOrDirectoriesHandler"/>
+    <refactoring.moveHandler
+        id="kotlin.moveFilesOrDirectories"
+        implementation="org.jetbrains.jet.plugin.refactoring.move.moveFilesOrDirectories.KotlinMoveFilesOrDirectoriesHandler"/>
+    <refactoring.moveHandler
+        id="kotlin.moveTopLevelDeclarations"
+        implementation="org.jetbrains.jet.plugin.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsHandler"
+        order="before kotlin.moveFilesOrDirectories"/>
     <moveFileHandler implementation="org.jetbrains.jet.plugin.refactoring.move.moveFilesOrDirectories.MoveKotlinFileHandler" />
     <refactoring.copyHandler implementation="org.jetbrains.jet.plugin.refactoring.copy.JetCopyClassHandler"/>
     <refactoring.changeSignatureUsageProcessor implementation="org.jetbrains.jet.plugin.refactoring.changeSignature.JetChangeSignatureUsageProcessor"/>

idea/src/org/jetbrains/jet/plugin/refactoring/JetRefactoringBundle.properties

@@ -19,5 +19,9 @@ parameter.name.is.invalid=Parameter name ''{0}'' is invalid
 parameter.type.is.invalid=Parameter type ''{0}'' is invalid
 column.name.val.var=Val/Var
 
+refactoring.move.top.level.declarations=Move top-level declarations
+refactoring.move.specifc.element=Move {0} {1}
+refactoring.move.selected.elements=Move selected elements
+
 package.private.0.will.no.longer.be.accessible.from.1=Package-private {0} will no longer be accessible from {1}
 0.uses.package.private.1={0} uses package-private {1}

idea/src/org/jetbrains/jet/plugin/refactoring/jetRefactoringUtil.kt

@@ -28,15 +28,18 @@ import com.intellij.psi.PsiElement
 import com.intellij.openapi.util.Key
 import com.intellij.psi.PsiDirectory
 import org.jetbrains.jet.lang.psi.JetFile
-import com.intellij.psi.PsiFileFactory
-import org.jetbrains.jet.lang.psi.psiUtil.getPackage
-import org.jetbrains.jet.plugin.JetFileType
+import com.intellij.openapi.roots.JavaProjectRootsUtil
 import com.intellij.psi.PsiPackage
 import com.intellij.psi.PsiClass
 import com.intellij.psi.PsiMember
-import org.jetbrains.jet.lang.psi.JetNamedDeclaration
 import org.jetbrains.jet.lang.psi.JetPsiUtil
 import org.jetbrains.jet.asJava.namedUnwrappedElement
+import org.jetbrains.jet.lang.psi.JetNamedDeclaration
+import com.intellij.psi.util.PsiTreeUtil
+import com.intellij.refactoring.util.ConflictsUtil
+import org.jetbrains.jet.lang.psi.psiUtil.getPackage
+import com.intellij.psi.PsiFileFactory
+import org.jetbrains.jet.plugin.JetFileType
 
 /**
  * Replace [[JetSimpleNameExpression]] (and its enclosing qualifier) with qualified element given by FqName
@@ -102,4 +105,7 @@ public fun PsiElement.getUsageContext(): PsiElement {
         is JetElement -> PsiTreeUtil.getParentOfType(this, javaClass<JetNamedDeclaration>(), javaClass<JetFile>())!!
         else -> ConflictsUtil.getContainer(this)
     }
-}
+}
+
+public fun PsiElement.isInJavaSourceRoot(): Boolean =
+        !JavaProjectRootsUtil.isOutsideJavaSourceRoot(getContainingFile())

idea/src/org/jetbrains/jet/plugin/refactoring/move/moveTopLevelDeclarations/MoveKotlinTopLevelDeclarationsHandler.kt

@@ -0,0 +1,111 @@
+/*
+ * Copyright 2010-2014 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.jet.plugin.refactoring.move.moveTopLevelDeclarations
+
+import com.intellij.refactoring.move.MoveHandlerDelegate
+import com.intellij.openapi.actionSystem.DataContext
+import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiElement
+import com.intellij.refactoring.move.MoveCallback
+import com.intellij.psi.PsiReference
+import com.intellij.openapi.editor.Editor
+import org.jetbrains.jet.lang.psi.JetClassOrObject
+import org.jetbrains.jet.lang.psi.JetFile
+import org.jetbrains.jet.plugin.refactoring.isInJavaSourceRoot
+import org.jetbrains.jet.lang.psi.JetObjectDeclaration
+import org.jetbrains.jet.lang.psi.JetClass
+import com.intellij.psi.PsiPackage
+import com.intellij.psi.PsiDirectory
+import org.jetbrains.jet.lang.psi.psiUtil.getPackage
+import org.jetbrains.jet.plugin.refactoring.move.getFileNameAfterMove
+import java.util.HashSet
+import com.intellij.refactoring.RefactoringBundle
+import com.intellij.refactoring.util.CommonRefactoringUtil
+import com.intellij.refactoring.move.moveClassesOrPackages.MoveClassesOrPackagesImpl
+import org.jetbrains.jet.plugin.refactoring.move.moveTopLevelDeclarations.ui.MoveKotlinTopLevelDeclarationsDialog
+import com.intellij.refactoring.JavaRefactoringSettings
+import com.intellij.openapi.actionSystem.LangDataKeys
+import org.jetbrains.jet.lang.psi.JetNamedFunction
+import org.jetbrains.jet.lang.psi.JetProperty
+import org.jetbrains.jet.lang.psi.JetNamedDeclaration
+
+public class MoveKotlinTopLevelDeclarationsHandler : MoveHandlerDelegate() {
+    private fun doMoveWithCheck(
+            project: Project, elements: Array<out PsiElement>, targetContainer: PsiElement?, callback: MoveCallback?
+    ): Boolean {
+        fun checkNameConflicts(): Boolean {
+            val fileNames = HashSet<String>()
+            for (element in elements) {
+                if (element !is JetNamedDeclaration) continue
+
+                val fileName = element.getFileNameAfterMove()
+                if (fileName != null && !fileNames.add(fileName)) {
+                    val message = RefactoringBundle.getCannotRefactorMessage(
+                            RefactoringBundle.message("there.are.going.to.be.multiple.destination.files.with.the.same.name")
+                    )
+                    CommonRefactoringUtil.showErrorMessage(RefactoringBundle.message("move.title"), message, null, project)
+                    return false
+                }
+            }
+
+            return true
+        }
+
+        if (!checkNameConflicts()) return false
+        if (!CommonRefactoringUtil.checkReadOnlyStatusRecursively(project, elements.toList(), true)) return false
+
+        [suppress("UNCHECKED_CAST")]
+        val elementsToSearch = elements.toList() as List<JetNamedDeclaration>
+        val targetPackageName = MoveClassesOrPackagesImpl.getInitialTargetPackageName(targetContainer, elements)
+        val targetDirectory = MoveClassesOrPackagesImpl.getInitialTargetDirectory(targetContainer, elements)
+        val searchInComments = JavaRefactoringSettings.getInstance()!!.MOVE_SEARCH_IN_COMMENTS
+        val searchInText = JavaRefactoringSettings.getInstance()!!.MOVE_SEARCH_FOR_TEXT
+
+        MoveKotlinTopLevelDeclarationsDialog(
+                project, elementsToSearch, targetPackageName, targetDirectory, searchInComments, searchInText, callback
+        ).show()
+
+        return true
+    }
+
+    override fun canMove(elements: Array<out PsiElement>, targetContainer: PsiElement?): Boolean {
+        return super.canMove(elements, targetContainer) && elements.all { e ->
+            if (e is JetClass || (e is JetObjectDeclaration && !e.isObjectLiteral()) || e is JetNamedFunction || e is JetProperty) {
+                val parent = e.getParent()
+                parent is JetFile && parent.isInJavaSourceRoot()
+            }
+            else false
+        }
+    }
+
+    override fun isValidTarget(psiElement: PsiElement?, sources: Array<out PsiElement>): Boolean {
+        return psiElement is PsiPackage || (psiElement is PsiDirectory && psiElement.getPackage() != null)
+    }
+
+    override fun doMove(project: Project, elements: Array<out PsiElement>, targetContainer: PsiElement?, callback: MoveCallback?) {
+        doMoveWithCheck(project, elements, targetContainer, callback)
+    }
+
+    override fun tryToMove(
+            element: PsiElement, project: Project, dataContext: DataContext?, reference: PsiReference?, editor: Editor?
+    ): Boolean {
+        val elementsToMove = array(element)
+        val targetContainer = dataContext?.let { dataContext -> LangDataKeys.TARGET_PSI_ELEMENT.getData(dataContext) }
+
+        return canMove(elementsToMove, targetContainer) && doMoveWithCheck(project, elementsToMove, targetContainer, null)
+    }
+}

idea/src/org/jetbrains/jet/plugin/refactoring/move/moveTopLevelDeclarations/ui/MoveKotlinTopLevelDeclarationsDialog.form

@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<form xmlns="http://www.intellij.com/uidesigner/form/" version="1" bind-to-class="org.jetbrains.jet.plugin.refactoring.move.moveTopLevelDeclarations.ui.MoveKotlinTopLevelDeclarationsDialog">
+  <grid id="1a398" binding="mainPanel" layout-manager="GridLayoutManager" row-count="5" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+    <margin top="0" left="0" bottom="0" right="0"/>
+    <constraints>
+      <xy x="10" y="10" width="472" height="414"/>
+    </constraints>
+    <properties/>
+    <border type="none">
+      <color color="-8355712"/>
+    </border>
+    <children>
+      <component id="ec4f" class="javax.swing.JLabel" binding="elementDescription">
+        <constraints>
+          <grid row="0" column="0" row-span="1" col-span="2" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <enabled value="true"/>
+          <font style="1"/>
+          <text value="Move"/>
+        </properties>
+      </component>
+      <component id="74471" class="com.intellij.ui.NonFocusableCheckBox" binding="cbSearchInComments">
+        <constraints>
+          <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <selected value="true"/>
+          <text resource-bundle="messages/RefactoringBundle" key="search.in.comments.and.strings"/>
+        </properties>
+      </component>
+      <component id="a7936" class="com.intellij.ui.NonFocusableCheckBox" binding="cbSearchTextOccurences">
+        <constraints>
+          <grid row="2" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties>
+          <selected value="true"/>
+          <text resource-bundle="messages/RefactoringBundle" key="search.for.text.occurrences"/>
+        </properties>
+      </component>
+      <grid id="ce694" binding="targetPanel" layout-manager="GridLayoutManager" row-count="2" column-count="1" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+        <margin top="0" left="0" bottom="0" right="0"/>
+        <constraints>
+          <grid row="3" column="0" row-span="1" col-span="2" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <component id="4934c" class="javax.swing.JLabel" binding="targetDestinationLabel">
+            <constraints>
+              <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <labelFor value="36327"/>
+              <text resource-bundle="messages/RefactoringBundle" key="target.destination.folder"/>
+            </properties>
+          </component>
+          <component id="36327" class="com.intellij.ui.ComboboxWithBrowseButton" binding="destinationFolderCB" custom-create="true">
+            <constraints>
+              <grid row="1" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+          </component>
+        </children>
+      </grid>
+      <vspacer id="fdc31">
+        <constraints>
+          <grid row="4" column="0" row-span="1" col-span="1" vsize-policy="6" hsize-policy="1" anchor="0" fill="2" indent="0" use-parent-layout="false"/>
+        </constraints>
+      </vspacer>
+      <grid id="fced3" layout-manager="GridLayoutManager" row-count="1" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+        <margin top="7" left="0" bottom="7" right="0"/>
+        <constraints>
+          <grid row="1" column="0" row-span="1" col-span="2" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
+        </constraints>
+        <properties/>
+        <border type="none"/>
+        <children>
+          <component id="37672" class="com.intellij.ui.ReferenceEditorComboWithBrowseButton" binding="classPackageChooser" custom-create="true">
+            <constraints>
+              <grid row="0" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties/>
+          </component>
+          <component id="f73ba" class="javax.swing.JLabel">
+            <constraints>
+              <grid row="0" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+            </constraints>
+            <properties>
+              <text value="To package:"/>
+            </properties>
+          </component>
+        </children>
+      </grid>
+    </children>
+  </grid>
+  <buttonGroups>
+    <group name="buttonGroup1">
+      <member id="63b06"/>
+      <member id="37e02"/>
+    </group>
+  </buttonGroups>
+</form>

idea/src/org/jetbrains/jet/plugin/refactoring/move/moveTopLevelDeclarations/ui/MoveKotlinTopLevelDeclarationsDialog.java

@@ -0,0 +1,250 @@
+/*
+ * Copyright 2010-2014 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.jet.plugin.refactoring.move.moveTopLevelDeclarations.ui;
+
+import com.intellij.openapi.editor.Document;
+import com.intellij.openapi.editor.event.DocumentAdapter;
+import com.intellij.openapi.editor.event.DocumentEvent;
+import com.intellij.openapi.options.ConfigurationException;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.roots.JavaProjectRootsUtil;
+import com.intellij.openapi.ui.Messages;
+import com.intellij.openapi.util.Pass;
+import com.intellij.psi.PsiDirectory;
+import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiManager;
+import com.intellij.psi.PsiNameHelper;
+import com.intellij.refactoring.JavaRefactoringSettings;
+import com.intellij.refactoring.MoveDestination;
+import com.intellij.refactoring.PackageWrapper;
+import com.intellij.refactoring.RefactoringBundle;
+import com.intellij.refactoring.move.MoveCallback;
+import com.intellij.refactoring.move.MoveHandler;
+import com.intellij.refactoring.move.moveClassesOrPackages.DestinationFolderComboBox;
+import com.intellij.refactoring.ui.PackageNameReferenceEditorCombo;
+import com.intellij.refactoring.ui.RefactoringDialog;
+import com.intellij.refactoring.util.CommonRefactoringUtil;
+import com.intellij.ui.ComboboxWithBrowseButton;
+import com.intellij.ui.RecentsManager;
+import com.intellij.ui.ReferenceEditorComboWithBrowseButton;
+import com.intellij.usageView.UsageViewUtil;
+import com.intellij.util.IncorrectOperationException;
+import com.intellij.util.ui.UIUtil;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.lang.psi.JetNamedDeclaration;
+import org.jetbrains.jet.plugin.refactoring.JetRefactoringBundle;
+import org.jetbrains.jet.plugin.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsOptions;
+import org.jetbrains.jet.plugin.refactoring.move.moveTopLevelDeclarations.MoveKotlinTopLevelDeclarationsProcessor;
+
+import javax.swing.*;
+import java.util.List;
+
+public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
+    private static final String RECENTS_KEY = "MoveKotlinTopLevelDeclarationsDialog.RECENTS_KEY";
+
+    private JLabel elementDescription;
+    private JCheckBox cbSearchInComments;
+    private JCheckBox cbSearchTextOccurences;
+    private JPanel mainPanel;
+    private ReferenceEditorComboWithBrowseButton classPackageChooser;
+    private ComboboxWithBrowseButton destinationFolderCB;
+    private JPanel targetPanel;
+    private JLabel targetDestinationLabel;
+
+    private final List<JetNamedDeclaration> elementsToMove;
+    private final MoveCallback moveCallback;
+
+    public MoveKotlinTopLevelDeclarationsDialog(
+            @NotNull Project project,
+            @NotNull List<JetNamedDeclaration> elementsToMove,
+            @Nullable String targetPackageName,
+            @Nullable PsiDirectory targetDirectory,
+            boolean searchInComments,
+            boolean searchForTextOccurences,
+            @Nullable MoveCallback moveCallback
+    ) {
+        super(project, true);
+
+        this.elementsToMove = elementsToMove;
+        this.moveCallback = moveCallback;
+
+        init();
+
+        setTitle(MoveHandler.REFACTORING_NAME);
+
+        if (elementsToMove.size() == 1) {
+            PsiElement element = elementsToMove.get(0);
+            elementDescription.setText(
+                    JetRefactoringBundle.message(
+                            "refactoring.move.specifc.element",
+                            UsageViewUtil.getType(element),
+                            UsageViewUtil.getLongName(element)
+                    )
+            );
+        }
+        else if (elementsToMove.size() > 1) {
+            elementDescription.setText(JetRefactoringBundle.message("refactoring.move.selected.elements"));
+        }
+
+        if (targetPackageName != null && targetPackageName.length() != 0) {
+            classPackageChooser.prependItem(targetPackageName);
+        }
+
+        cbSearchInComments.setSelected(searchInComments);
+        cbSearchTextOccurences.setSelected(searchForTextOccurences);
+
+        ((DestinationFolderComboBox) destinationFolderCB).setData(
+                myProject,
+                targetDirectory,
+                new Pass<String>() {
+                    @Override
+                    public void pass(String s) {
+                        setErrorText(s);
+                    }
+                },
+                classPackageChooser.getChildComponent()
+        );
+
+        UIUtil.setEnabled(targetPanel, hasAnySourceRoots(), true);
+        validateButtons();
+    }
+
+    private void createUIComponents() {
+        classPackageChooser = createPackageChooser();
+
+        destinationFolderCB = new DestinationFolderComboBox() {
+            @Override
+            public String getTargetPackage() {
+                return MoveKotlinTopLevelDeclarationsDialog.this.getTargetPackage();
+            }
+        };
+    }
+
+    private ReferenceEditorComboWithBrowseButton createPackageChooser() {
+        ReferenceEditorComboWithBrowseButton packageChooser =
+                new PackageNameReferenceEditorCombo("", myProject, RECENTS_KEY, RefactoringBundle.message("choose.destination.package"));
+        Document document = packageChooser.getChildComponent().getDocument();
+        document.addDocumentListener(new DocumentAdapter() {
+            @Override
+            public void documentChanged(DocumentEvent e) {
+                validateButtons();
+            }
+        });
+
+        return packageChooser;
+    }
+
+    private boolean hasAnySourceRoots() {
+        return !JavaProjectRootsUtil.getSuitableDestinationSourceRoots(myProject).isEmpty();
+    }
+
+    @Override
+    protected JComponent createCenterPanel() {
+        boolean isDestinationVisible = hasAnySourceRoots();
+        destinationFolderCB.setVisible(isDestinationVisible);
+        targetDestinationLabel.setVisible(isDestinationVisible);
+        return null;
+    }
+
+    @Override
+    protected JComponent createNorthPanel() {
+        return mainPanel;
+    }
+
+    @Override
+    protected String getDimensionServiceKey() {
+        return "#com.intellij.refactoring.move.moveClassesOrPackages.MoveKotlinTopLevelDeclarationsDialog.classes";
+    }
+
+    @Override
+    public JComponent getPreferredFocusedComponent() {
+        return classPackageChooser.getChildComponent();
+    }
+
+    private void saveRefactoringSettings() {
+        JavaRefactoringSettings refactoringSettings = JavaRefactoringSettings.getInstance();
+        refactoringSettings.MOVE_SEARCH_IN_COMMENTS = isSearchInComments();
+        refactoringSettings.MOVE_SEARCH_FOR_TEXT = isSearchInNonJavaFiles();
+        refactoringSettings.MOVE_PREVIEW_USAGES = isPreviewUsages();
+    }
+
+    @Nullable
+    private MoveDestination selectDestination() {
+        String packageName = getTargetPackage().trim();
+
+        if (packageName.length() > 0 && !PsiNameHelper.getInstance(myProject).isQualifiedName(packageName)) {
+            Messages.showErrorDialog(myProject, RefactoringBundle.message("please.enter.a.valid.target.package.name"),
+                                     RefactoringBundle.message("move.title"));
+            return null;
+        }
+
+        RecentsManager.getInstance(myProject).registerRecentEntry(RECENTS_KEY, packageName);
+        PackageWrapper targetPackage = new PackageWrapper(PsiManager.getInstance(myProject), packageName);
+        if (!targetPackage.exists()) {
+            int ret = Messages.showYesNoDialog(myProject, RefactoringBundle.message("package.does.not.exist", packageName),
+                                               RefactoringBundle.message("move.title"), Messages.getQuestionIcon());
+            if (ret != Messages.YES) return null;
+        }
+
+        return ((DestinationFolderComboBox) destinationFolderCB).selectDirectory(targetPackage, false);
+    }
+
+    @Override
+    protected void canRun() throws ConfigurationException {
+        String name = getTargetPackage().trim();
+        if (name.length() != 0 && !PsiNameHelper.getInstance(myProject).isQualifiedName(name)) {
+            throw new ConfigurationException("\'" + name + "\' is invalid destination package name");
+        }
+    }
+
+    protected String getTargetPackage() {
+        return classPackageChooser.getText();
+    }
+
+    @Override
+    protected void doAction() {
+        MoveDestination destination = selectDestination();
+        if (destination == null) return;
+
+        saveRefactoringSettings();
+        for (PsiElement element : elementsToMove) {
+            String message = destination.verify(element.getContainingFile());
+            if (message != null) {
+                CommonRefactoringUtil.showErrorMessage(RefactoringBundle.message("error.title"), message, null, myProject);
+                return;
+            }
+        }
+
+        try {
+            MoveKotlinTopLevelDeclarationsOptions options = new MoveKotlinTopLevelDeclarationsOptions(
+                    elementsToMove, destination, isSearchInComments(), isSearchInNonJavaFiles(), moveCallback
+            );
+            invokeRefactoring(new MoveKotlinTopLevelDeclarationsProcessor(myProject, options));
+        }
+        catch (IncorrectOperationException e) {
+            CommonRefactoringUtil.showErrorMessage(RefactoringBundle.message("error.title"), e.getMessage(), null, myProject);
+        }
+    }
+
+    protected final boolean isSearchInNonJavaFiles() {
+        return cbSearchTextOccurences.isSelected();
+    }
+
+    protected final boolean isSearchInComments() {
+        return cbSearchInComments.isSelected();
+    }
+}