java/java-impl/src/com/intellij/psi/filters/position/ParentSkipReferenceElementFilter.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.psi.filters.position;
  17
  18 import com.intellij.psi.PsiElement;
  19 import com.intellij.psi.PsiReference;
  20 import com.intellij.psi.filters.ElementFilter;
  21
  22 /**
  23  * Created by IntelliJ IDEA.
  24  * User: ik
  25  * Date: 03.02.2003
  26  * Time: 18:54:57
  27  * To change this template use Options | File Templates.
  28  */
  29 public class ParentSkipReferenceElementFilter extends PositionElementFilter{
  30   public ParentSkipReferenceElementFilter(ElementFilter filter){
  31     setFilter(filter);
  32   }
  33
  34   public ParentSkipReferenceElementFilter(){}
  35
  36   public boolean isAcceptable(Object element, PsiElement scope){
  37     if (!(element instanceof PsiElement)) return false;
  38     final PsiElement context = ((PsiElement)element).getContext();
  39     if(context != null){
  40       if(context instanceof PsiReference)
  41         return isAcceptable(context, scope);
  42       return getFilter().isAcceptable(context, scope);
  43     }
  44     return false;
  45   }
  46
  47
  48   public String toString(){
  49     return "parent(" +getFilter()+")";
  50   }
  51
  52 }