| /******************************************************************************* |
| * Copyright (c) 2000, 2013 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.examples.javaeditor; |
| |
| |
| import org.eclipse.jface.text.BadLocationException; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.source.IAnnotationHover; |
| import org.eclipse.jface.text.source.ISourceViewer; |
| |
| |
| /** |
| * This class provides the hover support for Java editors. |
| */ |
| |
| public class JavaAnnotationHover implements IAnnotationHover { |
| |
| @Override |
| public String getHoverInfo(ISourceViewer sourceViewer, int lineNumber) { |
| IDocument document= sourceViewer.getDocument(); |
| |
| try { |
| IRegion info= document.getLineInformation(lineNumber); |
| return document.get(info.getOffset(), info.getLength()); |
| } catch (BadLocationException x) { |
| } |
| |
| return null; |
| } |
| } |