| /******************************************************************************* |
| * Copyright (c) 2006, 2015 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.debug.ui.sourcelookup; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.jdt.core.IType; |
| import org.eclipse.jdt.debug.core.IJavaStackFrame; |
| import org.eclipse.jdt.internal.debug.core.JavaDebugUtils; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.ui.part.IShowInSource; |
| import org.eclipse.ui.part.ShowInContext; |
| |
| /** |
| * @since 3.2 |
| * |
| */ |
| public class StackFrameShowInSourceAdapter implements IShowInSource { |
| |
| class LazyShowInContext extends ShowInContext { |
| |
| boolean resolved = false; |
| |
| /** |
| * Constructs a 'show in context' that resolves its selection lazily |
| * since it requires a source lookup. |
| */ |
| public LazyShowInContext() { |
| super(null, null); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.part.ShowInContext#getSelection() |
| */ |
| @Override |
| public ISelection getSelection() { |
| if (!resolved) { |
| try { |
| resolved = true; |
| IType type = JavaDebugUtils.resolveDeclaringType(fFrame); |
| if (type != null) { |
| setSelection(new StructuredSelection(type)); |
| } |
| } catch (CoreException e) { |
| } |
| } |
| return super.getSelection(); |
| } |
| |
| } |
| |
| private IJavaStackFrame fFrame; |
| |
| private ShowInContext fLazyContext = null; |
| |
| /** |
| * Constructs a new adapter on the given frame. |
| * |
| * @param frame |
| */ |
| public StackFrameShowInSourceAdapter(IJavaStackFrame frame) { |
| fFrame = frame; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.part.IShowInSource#getShowInContext() |
| */ |
| @Override |
| public ShowInContext getShowInContext() { |
| if (fLazyContext == null) { |
| fLazyContext = new LazyShowInContext(); |
| } |
| return fLazyContext; |
| } |
| |
| } |