| /* |
| * Copyright 2000-2013 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.editor.actions.joinLines; |
| |
| import com.intellij.codeInsight.editorActions.JoinLinesHandlerDelegate; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyFileBase; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.*; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.blocks.GrOpenBlock; |
| |
| public class GrJoinBlockStatementHandler implements JoinLinesHandlerDelegate { |
| @Override |
| public int tryJoinLines(Document document, PsiFile file, int start, int end) { |
| if (!(file instanceof GroovyFileBase)) return CANNOT_JOIN; |
| |
| final PsiElement startElement = file.findElementAt(start); |
| if (startElement == null || startElement.getNode().getElementType() != GroovyTokenTypes.mLCURLY) return CANNOT_JOIN; |
| |
| final PsiElement parent = startElement.getParent(); |
| if (!(parent instanceof GrOpenBlock)) return CANNOT_JOIN; |
| |
| final GrStatement[] statements = ((GrOpenBlock)parent).getStatements(); |
| if (statements.length != 1) return CANNOT_JOIN; |
| |
| final PsiElement parent1 = parent.getParent(); |
| if (!(parent1 instanceof GrBlockStatement)) return CANNOT_JOIN; |
| |
| final PsiElement parent2 = parent1.getParent(); |
| if (!(parent2 instanceof GrIfStatement) && !(parent2 instanceof GrWhileStatement) && !(parent2 instanceof GrForStatement)) { |
| return CANNOT_JOIN; |
| } |
| |
| final GrStatement statement = ((GrBlockStatement)parent1).replaceWithStatement(statements[0]); |
| return statement.getTextRange().getStartOffset(); |
| } |
| } |