java/java-impl/src/com/intellij/refactoring/move/moveClassesOrPackages/MoveClassesOrPackagesHandlerBase.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.refactoring.move.moveClassesOrPackages;
  17
  18 import com.intellij.refactoring.move.MoveHandlerDelegate;
  19 import com.intellij.refactoring.move.MoveCallback;
  20 import com.intellij.refactoring.util.CommonRefactoringUtil;
  21 import com.intellij.psi.PsiElement;
  22 import com.intellij.psi.PsiPackage;
  23 import com.intellij.psi.PsiDirectory;
  24 import com.intellij.psi.JavaDirectoryService;
  25 import com.intellij.openapi.project.Project;
  26
  27 import java.util.Arrays;
  28
  29 public abstract class MoveClassesOrPackagesHandlerBase extends MoveHandlerDelegate {
  30   protected static boolean isPackageOrDirectory(final PsiElement element) {
  31     if (element instanceof PsiPackage) return true;
  32     return element instanceof PsiDirectory && JavaDirectoryService.getInstance().getPackage((PsiDirectory)element) != null;
  33   }
  34
  35   public PsiElement[] adjustForMove(final Project project, final PsiElement[] sourceElements, final PsiElement targetElement) {
  36     return MoveClassesOrPackagesImpl.adjustForMove(project,sourceElements, targetElement);
  37   }
  38
  39   public void doMove(final Project project, final PsiElement[] elements, final PsiElement targetContainer, final MoveCallback callback) {
  40     if (tryDirectoryMove ( project, elements, targetContainer, callback)) {
  41       return;
  42     }
  43     MoveClassesOrPackagesImpl.doMove(project, elements, targetContainer, callback);
  44   }
  45
  46   private static boolean tryDirectoryMove(Project project, final PsiElement[] sourceElements, final PsiElement targetElement, final MoveCallback callback) {
  47     if (targetElement instanceof PsiDirectory) {
  48       final PsiElement[] adjustedElements = MoveClassesOrPackagesImpl.adjustForMove(project, sourceElements, targetElement);
  49       if (adjustedElements != null) {
  50         if ( CommonRefactoringUtil.checkReadOnlyStatusRecursively(project, Arrays.asList(adjustedElements),true) ) {
  51           new MoveClassesOrPackagesToNewDirectoryDialog((PsiDirectory)targetElement, adjustedElements, callback).show();
  52         }
  53       }
  54       return true;
  55     }
  56     return false;
  57   }
  58 }