| /******************************************************************************* |
| * Copyright (c) 2005, 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 |
| * Wind River - Pawel Piech - Fixed debug context service usage (Bug 258189) |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.sourcelookup; |
| |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.core.runtime.PlatformObject; |
| import org.eclipse.debug.internal.ui.views.launch.DebugElementAdapterFactory; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.debug.ui.contexts.DebugContextEvent; |
| import org.eclipse.debug.ui.contexts.IDebugContextListener; |
| import org.eclipse.debug.ui.contexts.IDebugContextService; |
| import org.eclipse.debug.ui.sourcelookup.ISourceDisplay; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.ui.IWorkbenchPage; |
| import org.eclipse.ui.IWorkbenchPart; |
| import org.eclipse.ui.IWorkbenchWindow; |
| |
| /** |
| * Performs source lookup in a window. |
| * |
| * @since 3.2 |
| */ |
| public class SourceLookupService implements IDebugContextListener, ISourceDisplay { |
| |
| private IWorkbenchWindow fWindow; |
| private IDebugContextService fDebugContextService; |
| |
| public SourceLookupService(IWorkbenchWindow window) { |
| fWindow = window; |
| fDebugContextService = DebugUITools.getDebugContextManager().getContextService(window); |
| fDebugContextService.addDebugContextListener(this); |
| } |
| |
| public void dispose() { |
| fDebugContextService.removeDebugContextListener(this); |
| fWindow = null; |
| } |
| |
| public synchronized void debugContextChanged(DebugContextEvent event) { |
| if ((event.getFlags() & DebugContextEvent.ACTIVATED) > 0) { |
| displaySource(event.getContext(), event.getDebugContextProvider().getPart(), false); |
| } |
| } |
| |
| /** |
| * Displays source for the given selection and part, optionally forcing |
| * a source lookup. |
| * |
| * @param selection |
| * @param part |
| * @param force |
| */ |
| protected synchronized void displaySource(ISelection selection, IWorkbenchPart part, boolean force) { |
| if (fWindow == null) return; // disposed |
| |
| if (selection instanceof IStructuredSelection) { |
| IStructuredSelection structuredSelection = (IStructuredSelection)selection; |
| if (structuredSelection.size() == 1) { |
| Object context = (structuredSelection).getFirstElement(); |
| IWorkbenchPage page = null; |
| if (part == null) { |
| page = fWindow.getActivePage(); |
| } else { |
| page = part.getSite().getPage(); |
| } |
| displaySource(context, page, force); |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.contexts.ISourceDisplayAdapter#displaySource(java.lang.Object, org.eclipse.ui.IWorkbenchPage, boolean) |
| */ |
| public void displaySource(Object context, IWorkbenchPage page, boolean forceSourceLookup) { |
| if (context instanceof IAdaptable) { |
| IAdaptable adaptable = (IAdaptable) context; |
| ISourceDisplay adapter = (ISourceDisplay) adaptable.getAdapter(ISourceDisplay.class); |
| if (adapter == null && !(context instanceof PlatformObject)) { |
| // for objects that don't properly subclass PlatformObject to inherit default |
| // adapters, just delegate to the adapter factory |
| adapter = (ISourceDisplay) new DebugElementAdapterFactory().getAdapter(context, ISourceDisplay.class); |
| } |
| if (adapter != null) { |
| adapter.displaySource(context, page, forceSourceLookup); |
| } |
| } |
| } |
| } |