| /* |
| * 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 com.intellij.codeInsight.intention.impl; |
| |
| import com.intellij.codeInsight.intention.PsiElementBaseIntentionAction; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.*; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author Dmitry Batkovich |
| */ |
| public class SwapIfStatementsIntentionAction extends PsiElementBaseIntentionAction { |
| @Override |
| public void invoke(@NotNull final Project project, final Editor editor, @NotNull final PsiElement element) throws IncorrectOperationException { |
| final PsiIfStatement ifStatement = (PsiIfStatement)element.getParent(); |
| final PsiIfStatement nestedIfStatement = (PsiIfStatement) ifStatement.getElseBranch(); |
| assert nestedIfStatement != null; |
| |
| final PsiExpression condition = ifStatement.getCondition(); |
| final PsiExpression nestedCondition = nestedIfStatement.getCondition(); |
| |
| final PsiStatement thenBranch = ifStatement.getThenBranch(); |
| final PsiStatement nestedThenBranch = nestedIfStatement.getThenBranch(); |
| |
| assert condition != null; |
| assert nestedCondition != null; |
| assert thenBranch != null; |
| assert nestedThenBranch != null; |
| |
| final PsiElement conditionCopy = condition.copy(); |
| condition.replace(nestedCondition); |
| nestedCondition.replace(conditionCopy); |
| |
| final PsiElement thenBranchCopy = thenBranch.copy(); |
| thenBranch.replace(nestedThenBranch); |
| nestedThenBranch.replace(thenBranchCopy); |
| } |
| |
| @Override |
| public boolean isAvailable(@NotNull final Project project, final Editor editor, @NotNull final PsiElement element) { |
| if (!(element instanceof PsiKeyword) || !PsiKeyword.ELSE.equals(element.getText())) { |
| return false; |
| } |
| final PsiElement parent = element.getParent(); |
| return parent instanceof PsiIfStatement && ((PsiIfStatement)parent).getElseBranch() instanceof PsiIfStatement; |
| } |
| |
| @NotNull |
| @Override |
| public String getFamilyName() { |
| return "Swap If Statements"; |
| } |
| |
| @NotNull |
| @Override |
| public String getText() { |
| return getFamilyName(); |
| } |
| } |