| /* |
| * 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.intellij.codeInsight.daemon.impl.analysis.encoding; |
| |
| import com.intellij.codeInsight.lookup.LookupElement; |
| import com.intellij.codeInsight.lookup.LookupElementBuilder; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.vfs.CharsetToolkit; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.nio.charset.Charset; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author peter |
| */ |
| public class EncodingReference implements PsiReference { |
| private final PsiElement myElement; |
| |
| private final String myCharsetName; |
| private final TextRange myRangeInElement; |
| |
| public EncodingReference(PsiElement element, final String charsetName, final TextRange rangeInElement) { |
| myElement = element; |
| myCharsetName = charsetName; |
| myRangeInElement = rangeInElement; |
| } |
| |
| @Override |
| public PsiElement getElement() { |
| return myElement; |
| } |
| |
| @Override |
| public TextRange getRangeInElement() { |
| return myRangeInElement; |
| } |
| |
| @Override |
| @Nullable |
| public PsiElement resolve() { |
| return CharsetToolkit.forName(myCharsetName) == null ? null : myElement; |
| //if (ApplicationManager.getApplication().isUnitTestMode()) return myValue; // tests do not have full JDK |
| //String fqn = charset.getClass().getName(); |
| //return myValue.getManager().findClass(fqn, GlobalSearchScope.allScope(myValue.getProject())); |
| } |
| |
| @Override |
| @NotNull |
| public String getCanonicalText() { |
| return myCharsetName; |
| } |
| |
| @Override |
| public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException { |
| return null; |
| } |
| |
| @Override |
| public PsiElement bindToElement(@NotNull PsiElement element) throws IncorrectOperationException { |
| return null; |
| } |
| |
| @Override |
| public boolean isReferenceTo(PsiElement element) { |
| return false; |
| } |
| |
| @Override |
| @NotNull |
| public Object[] getVariants() { |
| Charset[] charsets = CharsetToolkit.getAvailableCharsets(); |
| List<LookupElement> suggestions = new ArrayList<LookupElement>(charsets.length); |
| for (Charset charset : charsets) { |
| suggestions.add(LookupElementBuilder.create(charset.name()).withCaseSensitivity(false)); |
| } |
| return suggestions.toArray(new LookupElement[suggestions.size()]); |
| } |
| |
| @Override |
| public boolean isSoft() { |
| return false; |
| } |
| |
| } |