| /******************************************************************************* |
| * Copyright (c) 2010, 2011 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 |
| * |
| * This is an implementation of an early-draft specification developed under the Java |
| * Community Process (JCP) and is made available for testing and evaluation purposes |
| * only. The code is not compatible with any specification of the JCP. |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.javaeditor; |
| |
| import java.util.List; |
| |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.hyperlink.IHyperlink; |
| |
| import org.eclipse.jdt.core.IField; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.ILocalVariable; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.Signature; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| |
| import org.eclipse.jdt.ui.actions.SelectionDispatchAction; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.actions.SelectionConverter; |
| |
| /** |
| * Java element variable declaration type hyperlink detector. |
| * |
| * @since 3.7 |
| */ |
| public class JavaElementHyperlinkDeclaredTypeDetector extends JavaElementHyperlinkDetector { |
| |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jdt.internal.ui.javaeditor.JavaElementHyperlinkDetector#createHyperlink(org.eclipse.jface.text.IRegion, org.eclipse.jdt.ui.actions.SelectionDispatchAction, org.eclipse.jdt.core.IJavaElement, boolean, org.eclipse.jdt.internal.ui.javaeditor.JavaEditor) |
| */ |
| @Override |
| protected void addHyperlinks(List<IHyperlink> hyperlinksCollector, IRegion wordRegion, SelectionDispatchAction openAction, IJavaElement element, boolean qualify, JavaEditor editor) { |
| try { |
| if (element.getElementType() == IJavaElement.FIELD || element.getElementType() == IJavaElement.LOCAL_VARIABLE) { |
| String typeSignature= getTypeSignature(element); |
| if (!JavaModelUtil.isPrimitive(typeSignature) && SelectionConverter.canOperateOn(editor)) { |
| if (Signature.getTypeSignatureKind(typeSignature) == Signature.INTERSECTION_TYPE_SIGNATURE) { |
| String[] bounds= Signature.getIntersectionTypeBounds(typeSignature); |
| qualify|= bounds.length >= 2; |
| for (int i= 0; i < bounds.length; i++) { |
| hyperlinksCollector.add(new JavaElementDeclaredTypeHyperlink(wordRegion, openAction, element, bounds[i], qualify)); |
| } |
| } else { |
| hyperlinksCollector.add(new JavaElementDeclaredTypeHyperlink(wordRegion, openAction, element, qualify)); |
| } |
| } |
| } |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| } |
| } |
| |
| /** |
| * Returns the type signature of the element. |
| * |
| * @param element an instance of <code>ILocalVariable</code> or <code>IField</code> |
| * @return the type signature of the element |
| * @throws JavaModelException if this element does not exist or if an exception occurs while |
| * accessing its corresponding resource. |
| */ |
| static String getTypeSignature(IJavaElement element) throws JavaModelException { |
| if (element instanceof ILocalVariable) { |
| return ((ILocalVariable)element).getTypeSignature(); |
| } else if (element instanceof IField) { |
| return ((IField)element).getTypeSignature(); |
| } |
| throw new IllegalArgumentException(); |
| } |
| } |