| /* |
| * 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.jetbrains.python.psi.impl.references; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiElementResolveResult; |
| import com.intellij.psi.ResolveResult; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.ArrayUtil; |
| import com.jetbrains.python.psi.PyClass; |
| import com.jetbrains.python.psi.PyFunction; |
| import com.jetbrains.python.psi.PyImportElement; |
| import com.jetbrains.python.psi.PyQualifiedExpression; |
| import com.jetbrains.python.psi.resolve.PyResolveContext; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author yole |
| */ |
| public class PyTargetReference extends PyReferenceImpl { |
| public PyTargetReference(PyQualifiedExpression element, PyResolveContext context) { |
| super(element, context); |
| } |
| |
| @NotNull |
| @Override |
| public ResolveResult[] multiResolve(boolean incompleteCode) { |
| final ResolveResult[] results = super.multiResolve(incompleteCode); |
| boolean shadowed = false; |
| for (ResolveResult result : results) { |
| final PsiElement element = result.getElement(); |
| if (element != null && (element.getContainingFile() != myElement.getContainingFile() || |
| element instanceof PyFunction || element instanceof PyClass)) { |
| shadowed = true; |
| break; |
| } |
| } |
| if (results.length > 0 && !shadowed) { |
| return results; |
| } |
| // resolve to self if no other target found |
| return new ResolveResult[] { new PsiElementResolveResult(myElement) }; |
| } |
| |
| @NotNull |
| @Override |
| public Object[] getVariants() { |
| final PyImportElement importElement = PsiTreeUtil.getParentOfType(myElement, PyImportElement.class); |
| // reference completion is useless in 'as' part of import statement (PY-2384) |
| if (importElement != null && myElement == importElement.getAsNameElement()) { |
| return ArrayUtil.EMPTY_OBJECT_ARRAY; |
| } |
| return super.getVariants(); |
| } |
| } |