| /******************************************************************************* |
| * Copyright (c) 2000, 2009 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.internal.ui.javaeditor; |
| |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.Region; |
| import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector; |
| import org.eclipse.jface.text.hyperlink.IHyperlink; |
| |
| import org.eclipse.ui.IEditorSite; |
| |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| import org.eclipse.jdt.core.ITypeRoot; |
| import org.eclipse.jdt.core.dom.ASTNode; |
| import org.eclipse.jdt.core.dom.CompilationUnit; |
| import org.eclipse.jdt.core.dom.NodeFinder; |
| import org.eclipse.jdt.core.dom.QualifiedName; |
| import org.eclipse.jdt.core.dom.SimpleName; |
| import org.eclipse.jdt.core.dom.StringLiteral; |
| |
| import org.eclipse.jdt.internal.corext.refactoring.nls.AccessorClassReference; |
| import org.eclipse.jdt.internal.corext.refactoring.nls.NLSHintHelper; |
| |
| import org.eclipse.jdt.ui.JavaUI; |
| import org.eclipse.jdt.ui.SharedASTProvider; |
| |
| |
| |
| /** |
| * NLS hyperlink detector. |
| * |
| * @since 3.1 |
| */ |
| public class NLSKeyHyperlinkDetector extends AbstractHyperlinkDetector { |
| |
| |
| /* |
| * @see org.eclipse.jface.text.hyperlink.IHyperlinkDetector#detectHyperlinks(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion, boolean) |
| */ |
| public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region, boolean canShowMultipleHyperlinks) { |
| ITextEditor textEditor= (ITextEditor)getAdapter(ITextEditor.class); |
| if (region == null || textEditor == null) |
| return null; |
| |
| IEditorSite site= textEditor.getEditorSite(); |
| if (site == null) |
| return null; |
| |
| ITypeRoot javaElement= getInputJavaElement(textEditor); |
| if (javaElement == null) |
| return null; |
| |
| CompilationUnit ast= SharedASTProvider.getAST(javaElement, SharedASTProvider.WAIT_NO, null); |
| if (ast == null) |
| return null; |
| |
| ASTNode node= NodeFinder.perform(ast, region.getOffset(), 1); |
| if (!(node instanceof StringLiteral) && !(node instanceof SimpleName)) |
| return null; |
| |
| if (node.getLocationInParent() == QualifiedName.QUALIFIER_PROPERTY) |
| return null; |
| |
| IRegion nlsKeyRegion= new Region(node.getStartPosition(), node.getLength()); |
| AccessorClassReference ref= NLSHintHelper.getAccessorClassReference(ast, nlsKeyRegion); |
| if (ref == null) |
| return null; |
| String keyName= null; |
| if (node instanceof StringLiteral) { |
| keyName= ((StringLiteral)node).getLiteralValue(); |
| } else { |
| keyName= ((SimpleName)node).getIdentifier(); |
| } |
| if (keyName != null) |
| return new IHyperlink[] {new NLSKeyHyperlink(nlsKeyRegion, keyName, ref, textEditor)}; |
| |
| return null; |
| } |
| |
| private ITypeRoot getInputJavaElement(ITextEditor editor) { |
| return JavaUI.getEditorInputTypeRoot(editor.getEditorInput()); |
| } |
| |
| } |