/*
* Copyright 2000-2007 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.usages.impl.rules;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiImportList;
import com.intellij.psi.PsiJavaFile;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.usages.Usage;
import com.intellij.usages.rules.PsiElementUsage;
import com.intellij.usages.rules.UsageFilteringRule;
/**
* @author Eugene Zhuravlev
* Date: Jan 17, 2005
*/
public class ImportFilteringRule implements UsageFilteringRule{
public boolean isVisible(Usage usage) {
if (usage instanceof PsiElementUsage) {
final PsiElement psiElement = ((PsiElementUsage)usage).getElement();
final PsiFile containingFile = psiElement.getContainingFile();
if (containingFile instanceof PsiJavaFile) {
// check whether the element is in the import list
final PsiImportList importList = PsiTreeUtil.getParentOfType(psiElement, PsiImportList.class, true);
return importList == null;
}
}
return true;
}
}