| /* |
| * 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.refactoring.rename; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.refactoring.rename.RenamePsiElementProcessor; |
| import com.intellij.util.containers.MultiMap; |
| import com.jetbrains.python.codeInsight.controlflow.ScopeOwner; |
| import com.jetbrains.python.psi.*; |
| |
| /** |
| * @author yole |
| */ |
| public abstract class RenamePyElementProcessor extends RenamePsiElementProcessor { |
| @Override |
| public void findExistingNameConflicts(PsiElement element, String newName, MultiMap<PsiElement, String> conflicts) { |
| PyElement container = PsiTreeUtil.getParentOfType(element, ScopeOwner.class); |
| if (container instanceof PyFile) { |
| PyFile pyFile = (PyFile)container; |
| PyClass conflictingClass = pyFile.findTopLevelClass(newName); |
| if (conflictingClass != null) { |
| conflicts.putValue(conflictingClass, "A class named '" + newName + "' is already defined in " + pyFile.getName()); |
| } |
| PyFunction conflictingFunction = pyFile.findTopLevelFunction(newName); |
| if (conflictingFunction != null) { |
| conflicts.putValue(conflictingFunction, "A function named '" + newName + "' is already defined in " + pyFile.getName()); |
| } |
| PyTargetExpression conflictingVariable = pyFile.findTopLevelAttribute(newName); |
| if (conflictingVariable != null) { |
| conflicts.putValue(conflictingFunction, "A variable named '" + newName + "' is already defined in " + pyFile.getName()); |
| } |
| } |
| else if (container instanceof PyClass) { |
| PyClass pyClass = (PyClass)container; |
| PyClass conflictingClass = pyClass.findNestedClass(newName, true); |
| if (conflictingClass != null) { |
| conflicts.putValue(conflictingClass, "A class named '" + newName + "' is already defined in class '" + pyClass.getName() + "'"); |
| } |
| PyFunction conflictingFunction = pyClass.findMethodByName(newName, true); |
| if (conflictingFunction != null) { |
| conflicts.putValue(conflictingFunction, "A function named '" + newName + "' is already defined in class '" + pyClass.getName() + "'"); |
| } |
| PyTargetExpression conflictingAttribute = pyClass.findClassAttribute(newName, true); |
| if (conflictingAttribute != null) { |
| conflicts.putValue(conflictingAttribute, "An attribute named '" + newName + "' is already defined in class '" + pyClass.getName() + "'"); |
| } |
| } |
| } |
| |
| @Override |
| public String getHelpID(PsiElement element) { |
| return "python.reference.rename"; |
| } |
| } |