| /* |
| * Copyright 2000-2009 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.codeInspection.actions; |
| |
| import com.intellij.codeInsight.FileModificationService; |
| import com.intellij.codeInsight.TargetElementUtilBase; |
| import com.intellij.codeInsight.intention.IntentionAction; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.MethodSignatureUtil; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import com.intellij.util.containers.HashMap; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| |
| public class UnimplementInterfaceAction implements IntentionAction { |
| private String myName = "Interface"; |
| |
| @Override |
| @NotNull |
| public String getText() { |
| return "Unimplement " + myName; |
| } |
| |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return "Unimplement Interface/Class"; |
| } |
| |
| @Override |
| public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) { |
| if (!(file instanceof PsiJavaFile)) return false; |
| final PsiReference psiReference = TargetElementUtilBase.findReference(editor); |
| if (psiReference == null) return false; |
| |
| final PsiReferenceList referenceList = PsiTreeUtil.getParentOfType(psiReference.getElement(), PsiReferenceList.class); |
| if (referenceList == null) return false; |
| |
| final PsiClass psiClass = PsiTreeUtil.getParentOfType(referenceList, PsiClass.class); |
| if (psiClass == null) return false; |
| |
| if (psiClass.getExtendsList() != referenceList && psiClass.getImplementsList() != referenceList) return false; |
| |
| PsiJavaCodeReferenceElement referenceElement = getTopLevelRef(psiReference, referenceList); |
| if (referenceElement == null) return false; |
| |
| final PsiElement target = referenceElement.resolve(); |
| if (target == null || !(target instanceof PsiClass)) return false; |
| |
| PsiClass targetClass = (PsiClass)target; |
| if (targetClass.isInterface()) { |
| myName = "Interface"; |
| } |
| else { |
| myName = "Class"; |
| } |
| |
| return true; |
| } |
| |
| @Nullable |
| private static PsiJavaCodeReferenceElement getTopLevelRef(PsiReference psiReference, PsiReferenceList referenceList) { |
| PsiElement element = psiReference.getElement(); |
| while (element.getParent() != referenceList) { |
| element = element.getParent(); |
| if (element == null) return null; |
| } |
| |
| if (!(element instanceof PsiJavaCodeReferenceElement)) return null; |
| return (PsiJavaCodeReferenceElement)element; |
| } |
| |
| @Override |
| public void invoke(@NotNull final Project project, final Editor editor, final PsiFile file) throws IncorrectOperationException { |
| if (!FileModificationService.getInstance().preparePsiElementForWrite(file)) return; |
| |
| final PsiReference psiReference = TargetElementUtilBase.findReference(editor); |
| if (psiReference == null) return; |
| |
| final PsiReferenceList referenceList = PsiTreeUtil.getParentOfType(psiReference.getElement(), PsiReferenceList.class); |
| if (referenceList == null) return; |
| |
| final PsiClass psiClass = PsiTreeUtil.getParentOfType(referenceList, PsiClass.class); |
| if (psiClass == null) return; |
| |
| if (psiClass.getExtendsList() != referenceList && psiClass.getImplementsList() != referenceList) return; |
| |
| PsiJavaCodeReferenceElement element = getTopLevelRef(psiReference, referenceList); |
| if (element == null) return; |
| |
| final PsiElement target = element.resolve(); |
| if (target == null || !(target instanceof PsiClass)) return; |
| |
| PsiClass targetClass = (PsiClass)target; |
| |
| final Map<PsiMethod, PsiMethod> implementations = new HashMap<PsiMethod, PsiMethod>(); |
| for (PsiMethod psiMethod : targetClass.getAllMethods()) { |
| final PsiMethod implementingMethod = MethodSignatureUtil.findMethodBySuperMethod(psiClass, psiMethod, false); |
| if (implementingMethod != null) { |
| implementations.put(psiMethod, implementingMethod); |
| } |
| } |
| element.delete(); |
| |
| final Set<PsiMethod> superMethods = new HashSet<PsiMethod>(); |
| for (PsiClass aClass : psiClass.getSupers()) { |
| Collections.addAll(superMethods, aClass.getAllMethods()); |
| } |
| final PsiMethod[] psiMethods = targetClass.getAllMethods(); |
| for (PsiMethod psiMethod : psiMethods) { |
| if (superMethods.contains(psiMethod)) continue; |
| final PsiMethod impl = implementations.get(psiMethod); |
| if (impl != null) impl.delete(); |
| } |
| } |
| |
| @Override |
| public boolean startInWriteAction() { |
| return true; |
| } |
| } |