| /* |
| * Copyright 2000-2014 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.jetbrains.python.magicLiteral; |
| |
| import com.intellij.find.findUsages.FindUsagesHandler; |
| import com.intellij.find.findUsages.FindUsagesHandlerFactory; |
| import com.intellij.psi.PsiElement; |
| import com.jetbrains.python.psi.StringLiteralExpression; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collection; |
| import java.util.Collections; |
| |
| /** |
| * Handles find usage for magic literals. |
| * <strong>Install it</strong> as {@link FindUsagesHandlerFactory#EP_NAME} |
| * @author Ilya.Kazakevich |
| */ |
| public class PyMagicLiteralFindUsagesHandlerFactory extends FindUsagesHandlerFactory { |
| @Override |
| public boolean canFindUsages(@NotNull final PsiElement element) { |
| return PyMagicLiteralTools.isMagicLiteral(element); |
| } |
| |
| @Nullable |
| @Override |
| public FindUsagesHandler createFindUsagesHandler(@NotNull final PsiElement element, final boolean forHighlightUsages) { |
| return new MyFindUsagesHandler(element); |
| } |
| |
| private static class MyFindUsagesHandler extends FindUsagesHandler { |
| MyFindUsagesHandler(final PsiElement element) { |
| super(element); |
| } |
| |
| @Nullable |
| @Override |
| protected Collection<String> getStringsToSearch(@NotNull final PsiElement element) { |
| return Collections.singleton(((StringLiteralExpression)element).getStringValue()); |
| } |
| } |
| } |