Move: Add "Update package directive" option to dialog

#KT-6084 Fixed

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

@@ -26,7 +26,7 @@
             <properties/>
             <border type="none"/>
             <children>
-              <grid id="fced3" layout-manager="GridLayoutManager" row-count="5" column-count="2" same-size-horizontally="false" same-size-vertically="false" hgap="-1" vgap="-1">
+              <grid id="fced3" layout-manager="GridLayoutManager" row-count="6" 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="1" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="0" use-parent-layout="false"/>
@@ -50,13 +50,13 @@
                   </component>
                   <component id="9ea97" class="com.intellij.openapi.ui.TextFieldWithBrowseButton" binding="fileChooser">
                     <constraints>
-                      <grid row="3" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="0" fill="1" indent="0" use-parent-layout="false"/>
+                      <grid row="4" 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="58e61" class="javax.swing.JRadioButton" binding="rbMoveToFile">
                     <constraints>
-                      <grid row="3" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="0" indent="0" use-parent-layout="false"/>
+                      <grid row="4" 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 &amp;file:"/>
@@ -64,7 +64,7 @@
                   </component>
                   <component id="74471" class="com.intellij.ui.NonFocusableCheckBox" binding="cbSearchInComments">
                     <constraints>
-                      <grid row="4" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="3" indent="0" use-parent-layout="false"/>
+                      <grid row="5" 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"/>
@@ -73,7 +73,7 @@
                   </component>
                   <component id="a7936" class="com.intellij.ui.NonFocusableCheckBox" binding="cbSearchTextOccurrences">
                     <constraints>
-                      <grid row="4" column="1" row-span="1" col-span="1" vsize-policy="0" hsize-policy="0" anchor="8" fill="3" indent="0" use-parent-layout="false"/>
+                      <grid row="5" 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"/>
@@ -103,7 +103,7 @@
                   <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="2" column="0" row-span="1" col-span="2" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="5" use-parent-layout="false"/>
+                      <grid row="3" column="0" row-span="1" col-span="2" vsize-policy="3" hsize-policy="3" anchor="0" fill="3" indent="5" use-parent-layout="false"/>
                     </constraints>
                     <properties/>
                     <border type="none"/>
@@ -125,6 +125,15 @@
                       </component>
                     </children>
                   </grid>
+                  <component id="684be" class="javax.swing.JCheckBox" binding="cbUpdatePackageDirective">
+                    <constraints>
+                      <grid row="2" column="0" row-span="1" col-span="1" vsize-policy="0" hsize-policy="3" anchor="8" fill="0" indent="5" use-parent-layout="false"/>
+                    </constraints>
+                    <properties>
+                      <selected value="true"/>
+                      <text value="&amp;Update package directive"/>
+                    </properties>
+                  </component>
                 </children>
               </grid>
               <vspacer id="9c908">

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

@@ -55,6 +55,7 @@ import kotlin.jvm.functions.Function0;
 import kotlin.jvm.functions.Function1;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
+import org.jetbrains.kotlin.idea.core.CorePackage;
 import org.jetbrains.kotlin.idea.core.refactoring.RefactoringPackage;
 import org.jetbrains.kotlin.idea.refactoring.JetRefactoringBundle;
 import org.jetbrains.kotlin.idea.refactoring.KotlinMemberInfo;
@@ -110,6 +111,7 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
     private JPanel memberInfoPanel;
     private JTextField tfFileNameInPackage;
     private JCheckBox cbSpecifyFileNameInPackage;
+    private JCheckBox cbUpdatePackageDirective;
     private KotlinMemberSelectionTable memberTable;
 
     private final JetFile sourceFile;
@@ -238,6 +240,8 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
                     }
                 }
         );
+
+        cbUpdatePackageDirective.setSelected(CorePackage.packageMatchesDirectory(sourceFile));
     }
 
     private void initSearchOptions(boolean searchInComments, boolean searchForTextOccurences) {
@@ -316,6 +320,7 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
         classPackageChooser.setEnabled(moveToPackage);
         updateFileNameInPackageField();
         fileChooser.setEnabled(!moveToPackage);
+        cbUpdatePackageDirective.setEnabled(moveToPackage);
         UIUtil.setEnabled(targetPanel, moveToPackage && hasAnySourceRoots(), true);
         updateSuggestedFileName();
         validateButtons();
@@ -375,7 +380,8 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
                                   directory.getVirtualFile().getPath() +
                                   "/" +
                                   targetFileName +
-                                  "' already exists. Do you want to move selected declarations to this file?";
+                                  "' already exists." +
+                                  "Do you want to move selected declarations to this file?";
                 int ret = Messages.showYesNoDialog(myProject, question, RefactoringBundle.message("move.title"), Messages.getQuestionIcon());
                 if (ret != Messages.YES) return null;
             }
@@ -531,6 +537,7 @@ public class MoveKotlinTopLevelDeclarationsDialog extends RefactoringDialog {
                                     }
                                 }
                         );
+                        MovePackage.setUpdatePackageDirective(sourceFile, cbUpdatePackageDirective.isSelected());
                         invokeRefactoring(
                                 new MoveFilesOrDirectoriesProcessor(
                                         myProject,