| /* |
| * 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 org.jetbrains.plugins.groovy.annotator.intentions; |
| |
| import com.intellij.codeInsight.intention.IntentionAction; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.codeStyle.JavaCodeStyleManager; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.GroovyBundle; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElementFactory; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrExtendsClause; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrImplementsClause; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrTypeDefinition; |
| import org.jetbrains.plugins.groovy.lang.psi.api.types.GrCodeReferenceElement; |
| |
| import java.util.Collection; |
| import java.util.LinkedHashSet; |
| import java.util.Set; |
| |
| /** |
| * User: Dmitry.Krasilschikov |
| * Date: 21.09.2007 |
| */ |
| public class ChangeExtendsImplementsQuickFix implements IntentionAction { |
| @Nullable |
| private final GrExtendsClause myExtendsClause; |
| @Nullable |
| private final GrImplementsClause myImplementsClause; |
| @NotNull |
| private final GrTypeDefinition myClass; |
| |
| public ChangeExtendsImplementsQuickFix(@NotNull GrTypeDefinition aClass) { |
| myClass = aClass; |
| myExtendsClause = aClass.getExtendsClause(); |
| myImplementsClause = aClass.getImplementsClause(); |
| } |
| |
| @Override |
| @NotNull |
| public String getText() { |
| return GroovyBundle.message("change.implements.and.extends.classes"); |
| } |
| |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return getText(); |
| } |
| |
| @Override |
| public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) { |
| return myClass.isValid() && myClass.getManager().isInProject(file); |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, Editor editor, PsiFile file) throws IncorrectOperationException { |
| Set<String> classes = new LinkedHashSet<String>(); |
| Set<String> interfaces = new LinkedHashSet<String>(); |
| Set<String> unknownClasses = new LinkedHashSet<String>(); |
| Set<String> unknownInterfaces = new LinkedHashSet<String>(); |
| |
| if (myExtendsClause != null) { |
| collectRefs(myExtendsClause.getReferenceElementsGroovy(), classes, interfaces, myClass.isInterface() ? unknownInterfaces : unknownClasses); |
| myExtendsClause.delete(); |
| } |
| |
| if (myImplementsClause != null) { |
| collectRefs(myImplementsClause.getReferenceElementsGroovy(), classes, interfaces, unknownInterfaces); |
| myImplementsClause.delete(); |
| } |
| |
| if (myClass.isInterface()) { |
| interfaces.addAll(classes); |
| unknownInterfaces.addAll(unknownClasses); |
| addNewClause(interfaces, unknownInterfaces, project, true); |
| } |
| else { |
| addNewClause(classes, unknownClasses, project, true); |
| addNewClause(interfaces, unknownInterfaces, project, false); |
| } |
| } |
| |
| private static void collectRefs(GrCodeReferenceElement[] refs, Collection<String> classes, Collection<String> interfaces, Collection<String> unknown) { |
| for (GrCodeReferenceElement ref : refs) { |
| final PsiElement extendsElement = ref.resolve(); |
| String canonicalText = ref.getCanonicalText(); |
| |
| if (extendsElement instanceof PsiClass) { |
| if (((PsiClass)extendsElement).isInterface()) { |
| interfaces.add(canonicalText); |
| } |
| else { |
| classes.add(canonicalText); |
| } |
| } |
| else { |
| unknown.add(canonicalText); |
| } |
| } |
| } |
| |
| private void addNewClause(Collection<String> elements, Collection<String> additional, Project project, boolean isExtends) throws IncorrectOperationException { |
| if (elements.isEmpty() && additional.isEmpty()) return; |
| |
| StringBuilder classText = new StringBuilder(); |
| classText.append("class A "); |
| classText.append(isExtends ? "extends " : "implements "); |
| |
| for (String str : elements) { |
| classText.append(str); |
| classText.append(", "); |
| } |
| |
| for (String str : additional) { |
| classText.append(str); |
| classText.append(", "); |
| } |
| |
| classText.delete(classText.length() - 2, classText.length()); |
| |
| classText.append(" {}"); |
| |
| final GrTypeDefinition definition = GroovyPsiElementFactory.getInstance(project).createTypeDefinition(classText.toString()); |
| GroovyPsiElement clause = isExtends ? definition.getExtendsClause() : definition.getImplementsClause(); |
| assert clause != null; |
| |
| PsiElement addedClause = myClass.addBefore(clause, myClass.getBody()); |
| JavaCodeStyleManager.getInstance(project).shortenClassReferences(addedClause); |
| } |
| |
| @Override |
| public boolean startInWriteAction() { |
| return true; |
| } |
| } |