| /******************************************************************************* |
| * Copyright (c) 2007, 2015 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.jdt.internal.debug.ui.actions; |
| |
| import org.eclipse.jdt.debug.core.IJavaStackFrame; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.IRegion; |
| import org.eclipse.jface.text.ITextSelection; |
| import org.eclipse.jface.text.ITextViewer; |
| import org.eclipse.jface.text.Region; |
| import org.eclipse.jface.text.TextSelection; |
| import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector; |
| import org.eclipse.jface.text.hyperlink.IHyperlink; |
| |
| import org.eclipse.ui.IEditorInput; |
| |
| import org.eclipse.ui.texteditor.ITextEditor; |
| |
| import org.eclipse.debug.ui.DebugUITools; |
| |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.IMethod; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.debug.ui.EvaluationContextManager; |
| import org.eclipse.jdt.internal.debug.ui.JDIDebugUIPlugin; |
| import org.eclipse.jdt.internal.debug.ui.JavaWordFinder; |
| |
| /** |
| * This is a specialization of a hyperlink detector for the step into selection command |
| * |
| * @since 3.3 |
| */ |
| public class StepIntoSelectionHyperlinkDetector extends AbstractHyperlinkDetector { |
| |
| /** |
| * Specific implementation of a hyperlink for step into command |
| */ |
| class StepIntoSelectionHyperlink implements IHyperlink { |
| |
| private ITextSelection fSelection = null; |
| |
| /** |
| * Constructor |
| * @param region |
| */ |
| public StepIntoSelectionHyperlink(ITextSelection selection) { |
| fSelection = selection; |
| } |
| /** |
| * @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkRegion() |
| */ |
| @Override |
| public IRegion getHyperlinkRegion() { |
| return new Region(fSelection.getOffset(), fSelection.getLength()); |
| } |
| /** |
| * @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkText() |
| */ |
| @Override |
| public String getHyperlinkText() { |
| return ActionMessages.StepIntoSelectionHyperlinkDetector_0; |
| } |
| /** |
| * @see org.eclipse.jface.text.hyperlink.IHyperlink#getTypeLabel() |
| */ |
| @Override |
| public String getTypeLabel() { |
| return null; |
| } |
| /** |
| * @see org.eclipse.jface.text.hyperlink.IHyperlink#open() |
| */ |
| @Override |
| public void open() { |
| StepIntoSelectionUtils.stepIntoSelection(fSelection); |
| } |
| |
| } |
| |
| /** |
| * @see org.eclipse.jface.text.hyperlink.IHyperlinkDetector#detectHyperlinks(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion, boolean) |
| */ |
| @Override |
| public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region, boolean canShowMultipleHyperlinks) { |
| ITextEditor editor = getAdapter(ITextEditor.class); |
| if(editor != null && EvaluationContextManager.getEvaluationContext(JDIDebugUIPlugin.getActiveWorkbenchWindow()) != null) { |
| |
| // should only enable step into selection when the current debug context |
| // is an instance of IJavaStackFrame |
| IAdaptable debugContext = DebugUITools.getDebugContext(); |
| if (!(debugContext instanceof IJavaStackFrame)) { |
| return null; |
| } |
| IEditorInput input = editor.getEditorInput(); |
| IJavaElement element = StepIntoSelectionUtils.getJavaElement(input); |
| int offset = region.getOffset(); |
| if(element != null) { |
| try { |
| IDocument document = editor.getDocumentProvider().getDocument(editor.getEditorInput()); |
| if(document != null) { |
| IRegion wregion = JavaWordFinder.findWord(document, offset); |
| if(wregion != null) { |
| ITextSelection selection = new TextSelection(document, wregion.getOffset(), wregion.getLength()); |
| IMethod method = StepIntoSelectionUtils.getMethod(selection, element); |
| if (method != null) { |
| return new IHyperlink[] {new StepIntoSelectionHyperlink(selection)}; |
| } |
| } |
| } |
| } |
| catch(JavaModelException jme) {JDIDebugUIPlugin.log(jme);} |
| } |
| } |
| return null; |
| } |
| } |