platform/lang-impl/src/com/intellij/ide/util/DeleteNameDescriptionLocation.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
  17 package com.intellij.ide.util;
  18
  19 import com.intellij.psi.ElementDescriptionLocation;
  20 import com.intellij.psi.ElementDescriptionProvider;
  21 import com.intellij.psi.PsiElement;
  22 import com.intellij.psi.PsiNamedElement;
  23 import org.jetbrains.annotations.NotNull;
  24
  25 /**
  26  * @author yole
  27  */
  28 public class DeleteNameDescriptionLocation extends ElementDescriptionLocation {
  29   private DeleteNameDescriptionLocation() {
  30   }
  31
  32   public static DeleteNameDescriptionLocation INSTANCE = new DeleteNameDescriptionLocation();
  33   private static final ElementDescriptionProvider ourDefaultProvider = new DefaultProvider();
  34
  35   public ElementDescriptionProvider getDefaultProvider() {
  36     return ourDefaultProvider;
  37   }
  38
  39   public static class DefaultProvider implements ElementDescriptionProvider {
  40     public String getElementDescription(@NotNull final PsiElement element, @NotNull final ElementDescriptionLocation location) {
  41       if (location instanceof DeleteNameDescriptionLocation) {
  42         if (element instanceof PsiNamedElement) {
  43           return ((PsiNamedElement)element).getName();
  44         }
  45       }
  46       return null;
  47     }
  48   }
  49 }