| /* |
| * 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.daemon.impl.quickfix; |
| |
| import com.intellij.codeInsight.FileModificationService; |
| import com.intellij.codeInsight.daemon.QuickFixBundle; |
| import com.intellij.codeInsight.intention.IntentionAction; |
| import com.intellij.codeInspection.util.ChangeToAppendUtil; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.psi.tree.IElementType; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author Bas Leijdekkers |
| */ |
| public class ChangeToAppendFix implements IntentionAction { |
| |
| private final IElementType myTokenType; |
| private final PsiType myLhsType; |
| private final PsiAssignmentExpression myAssignmentExpression; |
| |
| public ChangeToAppendFix(@NotNull IElementType eqOpSign, @NotNull PsiType lType, @NotNull PsiAssignmentExpression assignmentExpression) { |
| myTokenType = eqOpSign; |
| myLhsType = lType; |
| myAssignmentExpression = assignmentExpression; |
| } |
| |
| @NotNull |
| @Override |
| public String getText() { |
| return QuickFixBundle.message("change.to.append.text", |
| ChangeToAppendUtil.buildAppendExpression(myAssignmentExpression.getRExpression(), |
| myLhsType.equalsToText("java.lang.Appendable"), |
| new StringBuilder( |
| myAssignmentExpression.getLExpression().getText()))); |
| } |
| |
| @NotNull |
| @Override |
| public String getFamilyName() { |
| return QuickFixBundle.message("change.to.append.family"); |
| } |
| |
| @Override |
| public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) { |
| return JavaTokenType.PLUSEQ == myTokenType && |
| myAssignmentExpression.isValid() && |
| PsiManager.getInstance(project).isInProject(myAssignmentExpression) && |
| (myLhsType.equalsToText(CommonClassNames.JAVA_LANG_STRING_BUILDER) || |
| myLhsType.equalsToText(CommonClassNames.JAVA_LANG_STRING_BUFFER) || |
| myLhsType.equalsToText("java.lang.Appendable")); |
| } |
| |
| @Override |
| public boolean startInWriteAction() { |
| return true; |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, Editor editor, PsiFile file) throws IncorrectOperationException { |
| if (!FileModificationService.getInstance().prepareFileForWrite(file)) return; |
| final PsiExpression appendExpression = |
| ChangeToAppendUtil.buildAppendExpression(myAssignmentExpression.getLExpression(), myAssignmentExpression.getRExpression()); |
| if (appendExpression == null) return; |
| myAssignmentExpression.replace(appendExpression); |
| } |
| } |