2 * Copyright 2000-2009 JetBrains s.r.o.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 package com
.intellij
.codeInsight
.highlighting
;
18 import com
.intellij
.openapi
.editor
.Editor
;
19 import com
.intellij
.psi
.*;
20 import com
.intellij
.codeInsight
.TargetElementUtilBase
;
25 public class HighlightOverridingMethodsHandlerFactory
implements HighlightUsagesHandlerFactory
{
26 public HighlightUsagesHandlerBase
createHighlightUsagesHandler(final Editor editor
, final PsiFile file
) {
27 int offset
= TargetElementUtilBase
.adjustOffset(editor
.getDocument(), editor
.getCaretModel().getOffset());
28 final PsiElement target
= file
.findElementAt(offset
);
29 if (target
instanceof PsiKeyword
&& (PsiKeyword
.EXTENDS
.equals(target
.getText()) || PsiKeyword
.IMPLEMENTS
.equals(target
.getText()))) {
30 PsiElement parent
= target
.getParent();
31 if (!(parent
instanceof PsiReferenceList
)) return null;
32 PsiElement grand
= parent
.getParent();
33 if (!(grand
instanceof PsiClass
)) return null;
34 return new HighlightOverridingMethodsHandler(editor
, file
, target
, (PsiClass
) grand
);