| /* |
| * 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.documentation; |
| |
| import com.google.common.collect.Lists; |
| import com.intellij.codeInsight.completion.CompletionUtil; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.*; |
| import com.intellij.util.IncorrectOperationException; |
| import com.jetbrains.python.PyNames; |
| import com.jetbrains.python.psi.*; |
| import com.intellij.psi.util.QualifiedName; |
| import com.jetbrains.python.psi.impl.ResolveResultList; |
| import com.jetbrains.python.psi.resolve.ImportedResolveResult; |
| import com.jetbrains.python.psi.resolve.QualifiedNameFinder; |
| import com.jetbrains.python.psi.resolve.RatedResolveResult; |
| import com.jetbrains.python.psi.types.*; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * User : catherine |
| */ |
| public class DocStringTypeReference extends PsiPolyVariantReferenceBase<PsiElement> { |
| @Nullable private PyType myType; |
| @NotNull private TextRange myFullRange; |
| @Nullable private final PyImportElement myImportElement; |
| |
| public DocStringTypeReference(PsiElement element, TextRange range, @NotNull TextRange fullRange, @Nullable PyType type, |
| @Nullable PyImportElement importElement) { |
| super(element, range); |
| myFullRange = fullRange; |
| myType = type; |
| myImportElement = importElement; |
| } |
| |
| @Nullable |
| @Override |
| public PsiElement bindToElement(@NotNull PsiElement element) throws IncorrectOperationException { |
| if (element.equals(resolve())) { |
| return element; |
| } |
| if (myElement instanceof PyStringLiteralExpression && element instanceof PyClass) { |
| final PyStringLiteralExpression e = (PyStringLiteralExpression)myElement; |
| final PyClass cls = (PyClass)element; |
| QualifiedName qname = QualifiedNameFinder.findCanonicalImportPath(cls, element); |
| if (qname != null) { |
| qname = qname.append(cls.getName()); |
| ElementManipulator<PyStringLiteralExpression> manipulator = ElementManipulators.getManipulator(e); |
| myType = new PyClassTypeImpl(cls, false); |
| return manipulator.handleContentChange(e, myFullRange, qname.toString()); |
| } |
| } |
| return null; |
| } |
| |
| public boolean isSoft() { |
| return false; |
| } |
| |
| @Override |
| public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException { |
| if (newElementName.endsWith(PyNames.DOT_PY)) { |
| newElementName = newElementName.substring(0, newElementName.length() - PyNames.DOT_PY.length()); |
| } |
| return super.handleElementRename(newElementName); |
| } |
| |
| @Override |
| public boolean isReferenceTo(PsiElement element) { |
| if (myType instanceof PyImportedModuleType) { |
| return element.equals(PyUtil.turnInitIntoDir(resolve())); |
| } |
| return super.isReferenceTo(element); |
| } |
| |
| @NotNull |
| @Override |
| public ResolveResult[] multiResolve(boolean incompleteCode) { |
| PsiElement result = null; |
| final ResolveResultList results = new ResolveResultList(); |
| if (myType instanceof PyClassType) { |
| result = ((PyClassType)myType).getPyClass(); |
| } |
| else if (myType instanceof PyImportedModuleType) { |
| result = ((PyImportedModuleType)myType).getImportedModule().resolve(); |
| } |
| else if (myType instanceof PyModuleType) { |
| result = ((PyModuleType)myType).getModule(); |
| } |
| if (result != null) { |
| if (myImportElement != null) { |
| results.add(new ImportedResolveResult(result, |
| RatedResolveResult.RATE_NORMAL, |
| Collections.<PsiElement>singletonList(myImportElement))); |
| } |
| else { |
| results.poke(result, RatedResolveResult.RATE_NORMAL); |
| } |
| } |
| return results.toArray(new ResolveResult[0]); |
| } |
| |
| @NotNull |
| @Override |
| public Object[] getVariants() { |
| final PsiFile file = myElement.getContainingFile(); |
| final ArrayList<Object> variants = Lists.<Object>newArrayList("str", "int", "basestring", "bool", "buffer", "bytearray", "complex", "dict", |
| "tuple", "enumerate", "file", "float", "frozenset", "list", "long", "set", "object"); |
| if (file instanceof PyFile) { |
| variants.addAll(((PyFile)file).getTopLevelClasses()); |
| final List<PyFromImportStatement> fromImports = ((PyFile)file).getFromImports(); |
| for (PyFromImportStatement fromImportStatement : fromImports) { |
| final PyImportElement[] elements = fromImportStatement.getImportElements(); |
| for (PyImportElement element : elements) { |
| final PyReferenceExpression referenceExpression = element.getImportReferenceExpression(); |
| if (referenceExpression == null) continue; |
| final PyType type = TypeEvalContext.userInitiated(CompletionUtil.getOriginalOrSelf(file)).getType(referenceExpression); |
| if (type instanceof PyClassType) { |
| variants.add(((PyClassType)type).getPyClass()); |
| } |
| } |
| } |
| } |
| |
| return variants.toArray(); |
| } |
| } |