java/java-impl/src/com/intellij/refactoring/move/moveMembers/MoveMembersHandler.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.moveMembers;
  17
  18 import com.intellij.psi.*;
  19 import com.intellij.psi.impl.source.jsp.jspJava.JspHolderMethod;
  20 import com.intellij.refactoring.move.MoveHandlerDelegate;
  21 import com.intellij.refactoring.move.MoveCallback;
  22 import com.intellij.openapi.project.Project;
  23 import com.intellij.openapi.actionSystem.DataContext;
  24 import com.intellij.openapi.editor.Editor;
  25 import org.jetbrains.annotations.Nullable;
  26
  27 public class MoveMembersHandler extends MoveHandlerDelegate {
  28   public boolean canMove(final PsiElement[] elements, @Nullable final PsiElement targetContainer) {
  29     for(PsiElement element: elements) {
  30       if (!isFieldOrStaticMethod(element)) return false;
  31     }
  32     return super.canMove(elements, targetContainer);
  33   }
  34
  35   public boolean isValidTarget(final PsiElement psiElement) {
  36     return psiElement instanceof PsiClass && !(psiElement instanceof PsiAnonymousClass);
  37   }
  38
  39   public void doMove(final Project project, final PsiElement[] elements, final PsiElement targetContainer, final MoveCallback callback) {
  40     MoveMembersImpl.doMove(project, elements, targetContainer, callback);
  41   }
  42
  43   public boolean tryToMove(final PsiElement element, final Project project, final DataContext dataContext, final PsiReference reference,
  44                            final Editor editor) {
  45     if (isFieldOrStaticMethod(element)) {
  46       MoveMembersImpl.doMove(project, new PsiElement[]{element}, null, null);
  47       return true;
  48     }
  49     return false;
  50   }
  51
  52   private static boolean isFieldOrStaticMethod(final PsiElement element) {
  53     if (element instanceof PsiField) return true;
  54     if (element instanceof PsiMethod) {
  55       if (element instanceof JspHolderMethod) return false;
  56       return ((PsiMethod) element).hasModifierProperty(PsiModifier.STATIC);
  57     }
  58     return false;
  59   }
  60 }