From a9b27f6be27fa7f49cf55608da7ce85fdde74d47 Mon Sep 17 00:00:00 2001
From: "Anna.Kozlova" <anna.kozlova@jetbrains.com>
Date: Tue, 22 Mar 2016 13:47:06 +0100
Subject: [PATCH] copy directory: check if copy possible to desired directory
 (IDEA-153365)

---
 .../copy/CopyFilesOrDirectoriesDialog.java          | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/platform/lang-impl/src/com/intellij/refactoring/copy/CopyFilesOrDirectoriesDialog.java b/platform/lang-impl/src/com/intellij/refactoring/copy/CopyFilesOrDirectoriesDialog.java
index d6698c5ec9d8..76bb9f495b44 100644
--- a/platform/lang-impl/src/com/intellij/refactoring/copy/CopyFilesOrDirectoriesDialog.java
+++ b/platform/lang-impl/src/com/intellij/refactoring/copy/CopyFilesOrDirectoriesDialog.java
@@ -38,6 +38,7 @@ import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.*;
 import com.intellij.refactoring.RefactoringBundle;
+import com.intellij.refactoring.move.moveFilesOrDirectories.MoveFilesOrDirectoriesUtil;
 import com.intellij.ui.DocumentAdapter;
 import com.intellij.ui.RecentsManager;
 import com.intellij.ui.TextFieldWithHistoryWithBrowseButton;
@@ -82,6 +83,7 @@ public class CopyFilesOrDirectoriesDialog extends DialogWrapper {
   private TextFieldWithHistoryWithBrowseButton myTargetDirectoryField;
   private JCheckBox myOpenFilesInEditor = createOpenInEditorCB();
   private JTextField myNewNameField;
+  private final PsiElement[] myElements;
   private final Project myProject;
   private final boolean myShowDirectoryField;
   private final boolean myShowNewNameField;
@@ -91,6 +93,7 @@ public class CopyFilesOrDirectoriesDialog extends DialogWrapper {
 
   public CopyFilesOrDirectoriesDialog(PsiElement[] elements, PsiDirectory defaultTargetDirectory, Project project, boolean doClone) {
     super(project, true);
+    myElements = elements;
     myProject = project;
     myShowDirectoryField = !doClone;
     myShowNewNameField = elements.length == 1;
@@ -296,6 +299,16 @@ public class CopyFilesOrDirectoriesDialog extends DialogWrapper {
         Messages.showErrorDialog(myProject, RefactoringBundle.message("cannot.create.directory"), RefactoringBundle.message("error.title"));
         return;
       }
+
+      try {
+        for (PsiElement element : myElements) {
+          MoveFilesOrDirectoriesUtil.checkIfMoveIntoSelf(element, myTargetDirectory);
+        }
+      }
+      catch (IncorrectOperationException e) {
+        Messages.showErrorDialog(myProject, e.getMessage(), RefactoringBundle.message("error.title"));
+        return;
+      }
     }
 
     super.doOKAction();