| /* |
| * Copyright 2000-2011 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.openapi.editor; |
| |
| import com.intellij.lang.LanguageExtension; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiDocumentManager; |
| import com.intellij.psi.PsiFile; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Exposes {@link LineWrapPositionStrategy} implementations to their clients. |
| * |
| * @author Denis Zhdanov |
| * @since Aug 25, 2010 11:30:21 AM |
| */ |
| public class LanguageLineWrapPositionStrategy extends LanguageExtension<LineWrapPositionStrategy> { |
| |
| public static final String EP_NAME = "com.intellij.lang.lineWrapStrategy"; |
| public static final LanguageLineWrapPositionStrategy INSTANCE = new LanguageLineWrapPositionStrategy(); |
| |
| private LanguageLineWrapPositionStrategy() { |
| super(EP_NAME, new DefaultLineWrapPositionStrategy()); |
| } |
| |
| /** |
| * Asks to get wrap position strategy to use for the document managed by the given editor. |
| * |
| * @param editor editor that manages document which text should be processed by wrap position strategy |
| * @return line wrap position strategy to use for the lines from the document managed by the given editor |
| */ |
| @NotNull |
| public LineWrapPositionStrategy forEditor(@NotNull Editor editor) { |
| LineWrapPositionStrategy result = getDefaultImplementation(); |
| Project project = editor.getProject(); |
| if (project != null && !project.isDisposed()) { |
| PsiFile psiFile = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument()); |
| if (psiFile != null) { |
| result = INSTANCE.forLanguage(psiFile.getLanguage()); |
| } |
| } |
| return result; |
| } |
| |
| @NotNull |
| @Override |
| public LineWrapPositionStrategy getDefaultImplementation() { |
| return super.getDefaultImplementation(); |
| } |
| } |