| /* |
| * 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.intentions.base; |
| |
| import com.intellij.codeInsight.CodeInsightUtilCore; |
| import com.intellij.codeInsight.daemon.impl.quickfix.CreateFromUsageUtils; |
| import com.intellij.codeInsight.daemon.impl.quickfix.CreateMethodFromUsageFix; |
| import com.intellij.codeInsight.template.*; |
| import com.intellij.ide.fileTemplates.FileTemplate; |
| import com.intellij.ide.fileTemplates.FileTemplateManager; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.fileEditor.FileEditorManager; |
| import com.intellij.openapi.fileEditor.OpenFileDescriptor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.*; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.plugins.groovy.GroovyLanguage; |
| import org.jetbrains.plugins.groovy.actions.GroovyTemplates; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMethod; |
| import org.jetbrains.plugins.groovy.lang.psi.expectedTypes.TypeConstraint; |
| import org.jetbrains.plugins.groovy.lang.psi.util.GrTraitUtil; |
| import org.jetbrains.plugins.groovy.template.expressions.ChooseTypeExpression; |
| import org.jetbrains.plugins.groovy.template.expressions.ParameterNameExpression; |
| |
| /** |
| * User: Dmitry.Krasilschikov |
| * Date: 13.11.2007 |
| */ |
| public class IntentionUtils { |
| |
| private static final Logger LOG = Logger.getInstance(IntentionUtils.class); |
| |
| public static void createTemplateForMethod(PsiType[] argTypes, |
| ChooseTypeExpression[] paramTypesExpressions, |
| PsiMethod method, |
| PsiClass owner, |
| TypeConstraint[] constraints, |
| boolean isConstructor, |
| @NotNull final PsiElement context) { |
| |
| final Project project = owner.getProject(); |
| PsiTypeElement typeElement = method.getReturnTypeElement(); |
| ChooseTypeExpression expr = |
| new ChooseTypeExpression(constraints, PsiManager.getInstance(project), context.getResolveScope(), |
| method.getLanguage() == GroovyLanguage.INSTANCE |
| ); |
| TemplateBuilderImpl builder = new TemplateBuilderImpl(method); |
| if (!isConstructor) { |
| assert typeElement != null; |
| builder.replaceElement(typeElement, expr); |
| } |
| PsiParameter[] parameters = method.getParameterList().getParameters(); |
| assert parameters.length == argTypes.length; |
| for (int i = 0; i < parameters.length; i++) { |
| PsiParameter parameter = parameters[i]; |
| PsiTypeElement parameterTypeElement = parameter.getTypeElement(); |
| builder.replaceElement(parameterTypeElement, paramTypesExpressions[i]); |
| builder.replaceElement(parameter.getNameIdentifier(), new ParameterNameExpression(null)); |
| } |
| |
| PsiCodeBlock body = method.getBody(); |
| if (body != null) { |
| PsiElement lbrace = body.getLBrace(); |
| assert lbrace != null; |
| builder.setEndVariableAfter(lbrace); |
| } |
| else { |
| builder.setEndVariableAfter(method.getParameterList()); |
| } |
| |
| method = CodeInsightUtilCore.forcePsiPostprocessAndRestoreElement(method); |
| Template template = builder.buildTemplate(); |
| |
| final PsiFile targetFile = owner.getContainingFile(); |
| final Editor newEditor = positionCursor(project, targetFile, method); |
| TextRange range = method.getTextRange(); |
| newEditor.getDocument().deleteString(range.getStartOffset(), range.getEndOffset()); |
| |
| TemplateManager manager = TemplateManager.getInstance(project); |
| |
| |
| TemplateEditingListener templateListener = new TemplateEditingAdapter() { |
| @Override |
| public void templateFinished(Template template, boolean brokenOff) { |
| ApplicationManager.getApplication().runWriteAction(new Runnable() { |
| @Override |
| public void run() { |
| PsiDocumentManager.getInstance(project).commitDocument(newEditor.getDocument()); |
| final int offset = newEditor.getCaretModel().getOffset(); |
| PsiMethod method = PsiTreeUtil.findElementOfClassAtOffset(targetFile, offset - 1, PsiMethod.class, false); |
| if (context instanceof PsiMethod) { |
| final PsiTypeParameter[] typeParameters = ((PsiMethod)context).getTypeParameters(); |
| if (typeParameters.length > 0) { |
| for (PsiTypeParameter typeParameter : typeParameters) { |
| if (CreateMethodFromUsageFix.checkTypeParam(method, typeParameter)) { |
| final JVMElementFactory factory = JVMElementFactories.getFactory(method.getLanguage(), method.getProject()); |
| PsiTypeParameterList list = method.getTypeParameterList(); |
| if (list == null) { |
| PsiTypeParameterList newList = factory.createTypeParameterList(); |
| list = (PsiTypeParameterList)method.addAfter(newList, method.getModifierList()); |
| } |
| list.add(factory.createTypeParameter(typeParameter.getName(), typeParameter.getExtendsList().getReferencedTypes())); |
| } |
| } |
| } |
| } |
| if (method != null) { |
| try { |
| final boolean hasNoReturnType = method.getReturnTypeElement() == null && method instanceof GrMethod; |
| if (hasNoReturnType) { |
| ((GrMethod)method).setReturnType(PsiType.VOID); |
| } |
| if (method.getBody() != null) { |
| FileTemplateManager templateManager = FileTemplateManager.getInstance(); |
| FileTemplate fileTemplate = templateManager.getCodeTemplate(GroovyTemplates.GROOVY_FROM_USAGE_METHOD_BODY); |
| |
| PsiClass containingClass = method.getContainingClass(); |
| LOG.assertTrue(!containingClass.isInterface() || GrTraitUtil.isTrait(containingClass), "Interface bodies should be already set up"); |
| CreateFromUsageUtils.setupMethodBody(method, containingClass, fileTemplate); |
| } |
| if (hasNoReturnType) { |
| ((GrMethod)method).setReturnType(null); |
| } |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| |
| CreateFromUsageUtils.setupEditor(method, newEditor); |
| } |
| } |
| }); |
| } |
| }; |
| manager.startTemplate(newEditor, template, templateListener); |
| } |
| |
| public static Editor positionCursor(@NotNull Project project, @NotNull PsiFile targetFile, @NotNull PsiElement element) { |
| int textOffset = element.getTextOffset(); |
| VirtualFile virtualFile = targetFile.getVirtualFile(); |
| if (virtualFile != null) { |
| OpenFileDescriptor descriptor = new OpenFileDescriptor(project, virtualFile, textOffset); |
| return FileEditorManager.getInstance(project).openTextEditor(descriptor, true); |
| } |
| else { |
| return null; |
| } |
| } |
| } |