| /* |
| * 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.style; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.RangeMarker; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.psi.PsiDocumentManager; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiFile; |
| import com.intellij.psi.codeStyle.CodeStyleManager; |
| import com.intellij.psi.codeStyle.CodeStyleSettingsManager; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.GroovyLanguage; |
| import org.jetbrains.plugins.groovy.codeStyle.GroovyCodeStyleSettings; |
| import org.jetbrains.plugins.groovy.formatter.GeeseUtil; |
| import org.jetbrains.plugins.groovy.intentions.base.Intention; |
| import org.jetbrains.plugins.groovy.intentions.base.PsiElementPredicate; |
| import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.PsiImplUtil; |
| import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public class ConvertToGeeseBracesIntention extends Intention { |
| private static final Logger LOG = Logger.getInstance(ConvertToGeeseBracesIntention.class); |
| |
| private static final PsiElementPredicate MY_PREDICATE = new PsiElementPredicate() { |
| @Override |
| public boolean satisfiedBy(PsiElement element) { |
| if (element.getLanguage() != GroovyLanguage.INSTANCE) return false; |
| if (!CodeStyleSettingsManager.getInstance(element.getProject()).getCurrentSettings() |
| .getCustomSettings(GroovyCodeStyleSettings.class).USE_FLYING_GEESE_BRACES) { |
| return false; |
| } |
| |
| if (PsiImplUtil.isWhiteSpaceOrNls(element)) { |
| element = PsiTreeUtil.prevLeaf(element); |
| } |
| |
| if (!GeeseUtil.isClosureRBrace(element) || !GeeseUtil.isClosureContainLF(element)) return false; |
| |
| TextRange range = findRange(element); |
| |
| return StringUtil.contains(element.getContainingFile().getText(), range.getStartOffset(), range.getEndOffset(), '\n'); |
| } |
| }; |
| |
| @Nullable |
| private static PsiElement getPrev(PsiElement element) { |
| PsiElement prev = PsiUtil.getPreviousNonWhitespaceToken(element); |
| if (prev != null && prev.getNode().getElementType() == GroovyTokenTypes.mNLS) { |
| prev = PsiUtil.getPreviousNonWhitespaceToken(prev); |
| } |
| return prev; |
| } |
| |
| @Nullable |
| private static PsiElement getNext(PsiElement element) { |
| PsiElement next = GeeseUtil.getNextNonWhitespaceToken(element); |
| if (next != null && next.getNode().getElementType() == GroovyTokenTypes.mNLS) next = GeeseUtil.getNextNonWhitespaceToken(next); |
| return next; |
| } |
| |
| @Override |
| protected void processIntention(@NotNull PsiElement element, Project project, Editor editor) throws IncorrectOperationException { |
| if (PsiImplUtil.isWhiteSpaceOrNls(element)) { |
| element = PsiTreeUtil.prevLeaf(element); |
| } |
| LOG.assertTrue(GeeseUtil.isClosureRBrace(element) && GeeseUtil.isClosureContainLF(element)); |
| |
| PsiDocumentManager.getInstance(project).commitAllDocuments(); |
| |
| PsiFile file = element.getContainingFile(); |
| Document document = PsiDocumentManager.getInstance(project).getDocument(file); |
| |
| TextRange textRange = findRange(element); |
| int startOffset = textRange.getStartOffset(); |
| int endOffset = textRange.getEndOffset(); |
| |
| RangeMarker rangeMarker = document.createRangeMarker(textRange); |
| |
| String text = document.getText(); |
| for (int i = endOffset - 1; i >= startOffset; i--) { |
| if (text.charAt(i) == '\n') document.deleteString(i, i + 1); |
| } |
| |
| CodeStyleManager.getInstance(project).reformatText(file, rangeMarker.getStartOffset(), rangeMarker.getEndOffset()); |
| } |
| |
| private static TextRange findRange(PsiElement element) { |
| PsiElement first = null; |
| PsiElement last = null; |
| for (PsiElement cur = element; GeeseUtil.isClosureRBrace(cur) && GeeseUtil.isClosureContainLF(cur); cur = getNext(cur)) { |
| last = cur; |
| } |
| |
| for (PsiElement cur = element; GeeseUtil.isClosureRBrace(cur) && GeeseUtil.isClosureContainLF(cur); cur = getPrev(cur)) { |
| first = cur; |
| } |
| |
| LOG.assertTrue(first != null); |
| LOG.assertTrue(last != null); |
| |
| |
| return new TextRange(first.getTextRange().getStartOffset(), last.getTextRange().getEndOffset()); |
| } |
| |
| |
| @NotNull |
| @Override |
| protected PsiElementPredicate getElementPredicate() { |
| return MY_PREDICATE; |
| } |
| } |