| /******************************************************************************* |
| * Copyright (c) 2010 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.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import org.eclipse.jface.viewers.StructuredSelection; |
| |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.hyperlink.IHyperlink; |
| |
| import org.eclipse.ui.IEditorPart; |
| import org.eclipse.ui.PartInitException; |
| |
| import org.eclipse.jdt.core.IMethod; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.jdt.core.Signature; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| import org.eclipse.jdt.internal.corext.util.Messages; |
| |
| import org.eclipse.jdt.ui.JavaElementLabels; |
| import org.eclipse.jdt.ui.JavaUI; |
| import org.eclipse.jdt.ui.actions.SelectionDispatchAction; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| |
| /** |
| * Creates a Java element return type hyperlink for methods. |
| * |
| * @since 3.7 |
| */ |
| public class JavaElementReturnTypeHyperlink implements IHyperlink { |
| |
| private final IRegion fRegion; |
| private final SelectionDispatchAction fOpenAction; |
| private final IMethod fMethod; |
| private final boolean fQualify; |
| |
| /** |
| * Creates a new Java element return type hyperlink for methods. |
| * |
| * @param region the region of the link |
| * @param openAction the action to use to open the Java elements |
| * @param method the method to open |
| * @param qualify <code>true</code> if the hyperlink text should show a qualified name for |
| * element. |
| */ |
| public JavaElementReturnTypeHyperlink(IRegion region, SelectionDispatchAction openAction, IMethod method, boolean qualify) { |
| Assert.isNotNull(openAction); |
| Assert.isNotNull(region); |
| Assert.isNotNull(method); |
| |
| fRegion= region; |
| fOpenAction= openAction; |
| fMethod= method; |
| fQualify= qualify; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkRegion() |
| */ |
| public IRegion getHyperlinkRegion() { |
| return fRegion; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.text.hyperlink.IHyperlink#getTypeLabel() |
| */ |
| public String getTypeLabel() { |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkText() |
| */ |
| public String getHyperlinkText() { |
| if (fQualify) { |
| String methodLabel= JavaElementLabels.getElementLabel(fMethod, JavaElementLabels.ALL_FULLY_QUALIFIED); |
| return Messages.format(JavaEditorMessages.JavaElementReturnTypeHyperlink_hyperlinkText_qualified, new Object[] { methodLabel }); |
| } else { |
| return JavaEditorMessages.JavaElementReturnTypeHyperlink_hyperlinkText; |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.text.hyperlink.IHyperlink#open() |
| */ |
| public void open() { |
| try { |
| String returnTypeSignature= fMethod.getReturnType(); |
| int kind= Signature.getTypeSignatureKind(returnTypeSignature); |
| if (kind == Signature.ARRAY_TYPE_SIGNATURE) { |
| returnTypeSignature= Signature.getElementType(returnTypeSignature); |
| } else if (kind == Signature.CLASS_TYPE_SIGNATURE) { |
| returnTypeSignature= Signature.getTypeErasure(returnTypeSignature); |
| } |
| String returnType= Signature.toString(returnTypeSignature); |
| |
| String[][] resolvedType= fMethod.getDeclaringType().resolveType(returnType); |
| if (resolvedType == null || resolvedType.length == 0) { |
| openMethodAndShowErrorInStatusLine(); |
| return; |
| } |
| |
| String typeName= JavaModelUtil.concatenateName(resolvedType[0][0], resolvedType[0][1]); |
| IType type= fMethod.getJavaProject().findType(typeName, (IProgressMonitor)null); |
| if (type != null) { |
| fOpenAction.run(new StructuredSelection(type)); |
| return; |
| } |
| openMethodAndShowErrorInStatusLine(); |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| return; |
| } |
| } |
| |
| /** |
| * Opens and selects the method, and shows an error message in the status line. |
| */ |
| private void openMethodAndShowErrorInStatusLine() { |
| try { |
| IEditorPart editor= JavaUI.openInEditor(fMethod); |
| |
| editor.getSite().getShell().getDisplay().beep(); |
| if (editor instanceof JavaEditor) |
| ((JavaEditor)editor).setStatusLineErrorMessage(JavaEditorMessages.JavaElementReturnTypeHyperlink_error_msg); |
| |
| } catch (PartInitException e) { |
| JavaPlugin.log(e); |
| } catch (CoreException e) { |
| JavaPlugin.log(e); |
| } |
| } |
| } |