| /* |
| * 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.ide.util.SuperMethodWarningUtil; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.ui.popup.JBPopup; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiMethod; |
| import com.intellij.psi.PsiType; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.util.PsiTypesUtil; |
| import com.intellij.refactoring.RefactoringBundle; |
| import com.intellij.refactoring.changeSignature.JavaChangeSignatureDialog; |
| import com.intellij.refactoring.changeSignature.ParameterInfoImpl; |
| import com.intellij.util.IncorrectOperationException; |
| import com.intellij.util.PairFunction; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.plugins.groovy.GroovyBundle; |
| import org.jetbrains.plugins.groovy.intentions.base.Intention; |
| import org.jetbrains.plugins.groovy.intentions.base.PsiElementPredicate; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrParametersOwner; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMethod; |
| import org.jetbrains.plugins.groovy.lang.psi.expectedTypes.GroovyExpectedTypesProvider; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypesUtil; |
| import org.jetbrains.plugins.groovy.refactoring.changeSignature.GrChangeSignatureDialog; |
| import org.jetbrains.plugins.groovy.refactoring.changeSignature.GrMethodDescriptor; |
| import org.jetbrains.plugins.groovy.refactoring.changeSignature.GrParameterInfo; |
| import org.jetbrains.plugins.groovy.refactoring.convertToJava.GroovyToJavaGenerator; |
| import org.jetbrains.plugins.groovy.refactoring.ui.MethodOrClosureScopeChooser; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public class CreateParameterFromUsageFix extends Intention implements MethodOrClosureScopeChooser.JBPopupOwner { |
| private final String myName; |
| private JBPopup myEnclosingMethodsPopup = null; |
| |
| public CreateParameterFromUsageFix(GrReferenceExpression ref) { |
| myName = ref.getReferenceName(); |
| } |
| |
| @NotNull |
| @Override |
| public String getText() { |
| return GroovyBundle.message("create.parameter.from.usage", myName); |
| } |
| |
| @NotNull |
| @Override |
| public String getFamilyName() { |
| return GroovyBundle.message("create.from.usage.family.name"); |
| } |
| |
| @Override |
| public JBPopup get() { |
| return myEnclosingMethodsPopup; |
| } |
| |
| @Override |
| protected void processIntention(@NotNull PsiElement element, Project project, Editor editor) throws IncorrectOperationException { |
| if (element instanceof GrReferenceExpression) { |
| findScope((GrReferenceExpression)element, editor, project); |
| } |
| } |
| |
| @Override |
| protected boolean isStopElement(PsiElement element) { |
| return element instanceof GrExpression; |
| } |
| |
| @NotNull |
| @Override |
| protected PsiElementPredicate getElementPredicate() { |
| return new PsiElementPredicate() { |
| @Override |
| public boolean satisfiedBy(PsiElement element) { |
| return element instanceof GrReferenceExpression; |
| } |
| }; |
| } |
| |
| private void findScope(@NotNull final GrReferenceExpression ref, @NotNull final Editor editor, final Project project) { |
| PsiElement place = ref; |
| final List<GrMethod> scopes = new ArrayList<GrMethod>(); |
| while (true) { |
| final GrMethod parent = PsiTreeUtil.getParentOfType(place, GrMethod.class); |
| if (parent == null) break; |
| scopes.add(parent); |
| place = parent; |
| } |
| |
| if (scopes.size() == 1) { |
| final GrMethod owner = scopes.get(0); |
| final PsiMethod toSearchFor; |
| toSearchFor = SuperMethodWarningUtil.checkSuperMethod(owner, RefactoringBundle.message("to.refactor")); |
| if (toSearchFor == null) return; //if it is null, refactoring was canceled |
| showDialog(toSearchFor, ref, project); |
| } |
| else if (scopes.size() > 1) { |
| myEnclosingMethodsPopup = MethodOrClosureScopeChooser.create(scopes, editor, this, new PairFunction<GrParametersOwner, PsiElement, Object>() { |
| @Override |
| public Object fun(GrParametersOwner owner, PsiElement element) { |
| showDialog((PsiMethod)owner, ref, project); |
| return null; |
| } |
| }); |
| myEnclosingMethodsPopup.showInBestPositionFor(editor); |
| } |
| } |
| |
| private static void showDialog(final PsiMethod method, final GrReferenceExpression ref, final Project project) { |
| ApplicationManager.getApplication().invokeLater(new Runnable() { |
| @Override |
| public void run() { |
| if (project.isDisposed()) return; |
| |
| final String name = ref.getReferenceName(); |
| final List<PsiType> types = GroovyExpectedTypesProvider.getDefaultExpectedTypes(ref); |
| |
| PsiType unboxed = types.isEmpty() ? null : TypesUtil.unboxPrimitiveTypeWrapper(types.get(0)); |
| @NotNull final PsiType type = unboxed != null ? unboxed : PsiType.getJavaLangObject(ref.getManager(), ref.getResolveScope()); |
| |
| if (method instanceof GrMethod) { |
| GrMethodDescriptor descriptor = new GrMethodDescriptor((GrMethod)method); |
| GrChangeSignatureDialog dialog = new GrChangeSignatureDialog(project, descriptor, true, ref); |
| |
| List<GrParameterInfo> parameters = dialog.getParameters(); |
| parameters.add(createParameterInfo(name, type)); |
| dialog.setParameterInfos(parameters); |
| dialog.show(); |
| } |
| else if (method != null) { |
| JavaChangeSignatureDialog dialog = new JavaChangeSignatureDialog(project, method, false, ref); |
| final List<ParameterInfoImpl> parameterInfos = new ArrayList<ParameterInfoImpl>(Arrays.asList(ParameterInfoImpl.fromMethod(method))); |
| ParameterInfoImpl parameterInfo = new ParameterInfoImpl(-1, name, type, PsiTypesUtil.getDefaultValueOfType(type), false); |
| if (!method.isVarArgs()) { |
| parameterInfos.add(parameterInfo); |
| } |
| else { |
| parameterInfos.add(parameterInfos.size() - 1, parameterInfo); |
| } |
| dialog.setParameterInfos(parameterInfos); |
| dialog.show(); |
| } |
| } |
| }); |
| } |
| |
| private static GrParameterInfo createParameterInfo(String name, PsiType type) { |
| String notNullName = name != null ? name : ""; |
| String defaultValueText = GroovyToJavaGenerator.getDefaultValueText(type.getCanonicalText()); |
| return new GrParameterInfo(notNullName, defaultValueText, "", type, -1, false); |
| } |
| |
| @Override |
| public boolean startInWriteAction() { |
| return true; |
| } |
| } |