java/java-impl/src/com/intellij/refactoring/move/moveClassesOrPackages/MoveClassesHandler.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.psi.*;
  19 import com.intellij.psi.impl.source.jsp.jspJava.JspClass;
  20 import com.intellij.openapi.project.Project;
  21 import com.intellij.openapi.actionSystem.DataContext;
  22 import com.intellij.openapi.actionSystem.ex.DataConstantsEx;
  23 import com.intellij.openapi.editor.Editor;
  24 import com.intellij.codeInsight.daemon.impl.CollectHighlightsUtil;
  25 import org.jetbrains.annotations.Nullable;
  26
  27 public class MoveClassesHandler extends MoveClassesOrPackagesHandlerBase {
  28   public boolean canMove(final PsiElement[] elements, @Nullable final PsiElement targetContainer) {
  29     for(PsiElement element: elements) {
  30       if (element instanceof JspClass) return false;
  31       if (!(element instanceof PsiClass)) return false;
  32       if (!(element.getParent() instanceof PsiFile)) return false;
  33       if (CollectHighlightsUtil.isOutsideSourceRootJavaFile((PsiFile)element.getParent())) return false;
  34     }
  35     return super.canMove(elements, targetContainer);
  36   }
  37
  38   public boolean isValidTarget(final PsiElement psiElement) {
  39     return psiElement instanceof PsiClass ||
  40            MovePackagesHandler.isPackageOrDirectory(psiElement);
  41   }
  42
  43   public boolean tryToMove(final PsiElement element, final Project project, final DataContext dataContext, final PsiReference reference,
  44                            final Editor editor) {
  45     if (CollectHighlightsUtil.isOutsideSourceRootJavaFile(element.getContainingFile())) return false;
  46     if (isReferenceInAnonymousClass(reference)) return false;
  47
  48     if (element instanceof PsiClass && !(element instanceof PsiAnonymousClass) && element.getParent() instanceof PsiFile) {
  49       MoveClassesOrPackagesImpl.doMove(project, new PsiElement[]{element},
  50                                        (PsiElement)dataContext.getData(DataConstantsEx.TARGET_PSI_ELEMENT), null);
  51       return true;
  52     }
  53     return false;
  54   }
  55
  56   public static boolean isReferenceInAnonymousClass(@Nullable final PsiReference reference) {
  57     if (reference instanceof PsiJavaCodeReferenceElement &&
  58        ((PsiJavaCodeReferenceElement)reference).getParent() instanceof PsiAnonymousClass) {
  59       return true;
  60     }
  61     return false;
  62   }
  63 }