| /* |
| * Copyright 2000-2012 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.codeInsight.intention.impl; |
| |
| import com.intellij.codeInsight.CodeInsightBundle; |
| import com.intellij.codeInsight.FileModificationService; |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.fileEditor.ex.IdeDocumentHistory; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.codeStyle.JavaCodeStyleManager; |
| import com.intellij.psi.codeStyle.SuggestedNameInfo; |
| import com.intellij.psi.codeStyle.VariableKind; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.ArrayUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import com.intellij.util.containers.ContainerUtil; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public abstract class CreateFieldFromParameterActionBase extends BaseIntentionAction { |
| private static final Logger LOG = Logger.getInstance(CreateFieldFromParameterActionBase.class); |
| |
| @Override |
| public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) { |
| final PsiParameter parameter = FieldFromParameterUtils.findParameterAtCursor(file, editor); |
| if (parameter == null || !isAvailable(parameter)) { |
| return false; |
| } |
| setText(CodeInsightBundle.message("intention.create.field.from.parameter.text", parameter.getName())); |
| |
| return true; |
| } |
| |
| protected abstract boolean isAvailable(PsiParameter parameter); |
| |
| @Override |
| @NotNull |
| public String getFamilyName() { |
| return CodeInsightBundle.message("intention.create.field.from.parameter.family"); |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, Editor editor, PsiFile file) { |
| final PsiParameter myParameter = FieldFromParameterUtils.findParameterAtCursor(file, editor); |
| if (myParameter == null || !FileModificationService.getInstance().prepareFileForWrite(file)) return; |
| |
| IdeDocumentHistory.getInstance(project).includeCurrentPlaceAsChangePlace(); |
| try { |
| processParameter(project, myParameter, !ApplicationManager.getApplication().isUnitTestMode()); |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| } |
| |
| private void processParameter(final @NotNull Project project, |
| final @NotNull PsiParameter myParameter, |
| final boolean isInteractive) { |
| final PsiType type = getSubstitutedType(myParameter); |
| final JavaCodeStyleManager styleManager = JavaCodeStyleManager.getInstance(project); |
| final String parameterName = myParameter.getName(); |
| String propertyName = styleManager.variableNameToPropertyName(parameterName, VariableKind.PARAMETER); |
| |
| String fieldNameToCalc; |
| boolean isFinalToCalc; |
| final PsiClass targetClass = PsiTreeUtil.getParentOfType(myParameter, PsiClass.class); |
| final PsiMethod method = (PsiMethod)myParameter.getDeclarationScope(); |
| |
| final boolean isMethodStatic = method.hasModifierProperty(PsiModifier.STATIC); |
| |
| VariableKind kind = isMethodStatic ? VariableKind.STATIC_FIELD : VariableKind.FIELD; |
| SuggestedNameInfo suggestedNameInfo = styleManager.suggestVariableName(kind, propertyName, null, type); |
| String[] names = suggestedNameInfo.names; |
| |
| if (isInteractive) { |
| List<String> namesList = new ArrayList<String>(); |
| ContainerUtil.addAll(namesList, names); |
| String defaultName = styleManager.propertyNameToVariableName(propertyName, kind); |
| if (namesList.contains(defaultName)) { |
| Collections.swap(namesList, 0, namesList.indexOf(defaultName)); |
| } |
| else { |
| namesList.add(0, defaultName); |
| } |
| names = ArrayUtil.toStringArray(namesList); |
| |
| final CreateFieldFromParameterDialog dialog = new CreateFieldFromParameterDialog( |
| project, |
| names, |
| targetClass, |
| method.isConstructor(), |
| type |
| ); |
| dialog.show(); |
| |
| if (!dialog.isOK()) return; |
| fieldNameToCalc = dialog.getEnteredName(); |
| isFinalToCalc = dialog.isDeclareFinal(); |
| |
| suggestedNameInfo.nameChosen(fieldNameToCalc); |
| } |
| else { |
| isFinalToCalc = !isMethodStatic && method.isConstructor(); |
| fieldNameToCalc = names[0]; |
| } |
| |
| final boolean isFinal = isFinalToCalc; |
| final String fieldName = fieldNameToCalc; |
| ApplicationManager.getApplication().runWriteAction(new Runnable() { |
| @Override |
| public void run() { |
| try { |
| performRefactoring(project, targetClass, method, myParameter, type, fieldName, isMethodStatic, isFinal); |
| } |
| catch (IncorrectOperationException e) { |
| LOG.error(e); |
| } |
| } |
| }); |
| } |
| |
| protected abstract PsiType getSubstitutedType(PsiParameter parameter); |
| |
| protected abstract void performRefactoring(Project project, |
| PsiClass targetClass, |
| PsiMethod method, |
| PsiParameter myParameter, |
| PsiType type, |
| String fieldName, |
| boolean methodStatic, |
| boolean isFinal); |
| |
| @Override |
| public boolean startInWriteAction() { |
| return false; |
| } |
| } |