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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.codeInsight.highlighting;
import com.intellij.codeInsight.TargetElementUtilBase;
import com.intellij.openapi.editor.Editor;
import com.intellij.psi.*;
/**
* @author yole
*/
public class HighlightOverridingMethodsHandlerFactory implements HighlightUsagesHandlerFactory {
@Override
public HighlightUsagesHandlerBase createHighlightUsagesHandler(final Editor editor, final PsiFile file) {
int offset = TargetElementUtilBase.adjustOffset(file, editor.getDocument(), editor.getCaretModel().getOffset());
final PsiElement target = file.findElementAt(offset);
if (target instanceof PsiKeyword && (PsiKeyword.EXTENDS.equals(target.getText()) || PsiKeyword.IMPLEMENTS.equals(target.getText()))) {
PsiElement parent = target.getParent();
if (!(parent instanceof PsiReferenceList)) return null;
PsiElement grand = parent.getParent();
if (!(grand instanceof PsiClass)) return null;
return new HighlightOverridingMethodsHandler(editor, file, target, (PsiClass) grand);
}
return null;
}
}
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