| /******************************************************************************* |
| * Copyright (c) 2005, 2009 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 |
| * Pawel Piech (Wind River) - ported PDA Virtual Machine to Java (Bug 261400) |
| *******************************************************************************/ |
| |
| package org.eclipse.debug.examples.ui.pda.adapters; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.examples.core.pda.model.PDADebugTarget; |
| import org.eclipse.debug.examples.core.pda.model.PDAThread; |
| import org.eclipse.debug.internal.ui.model.elements.ElementContentProvider; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext; |
| import org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| |
| |
| public class PDADebugTargetContentProvider extends ElementContentProvider { |
| |
| @Override |
| protected int getChildCount(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| PDAThread thread = ((PDADebugTarget) element).getThread(0); |
| if (thread != null) { |
| if (thread.hasStackFrames()) { |
| return thread.getStackFrames().length; |
| } |
| } |
| return 0; |
| } |
| |
| @Override |
| protected boolean hasChildren(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| PDAThread thread = ((PDADebugTarget) element).getThread(0); |
| if (thread != null) { |
| return thread.hasStackFrames(); |
| } |
| return false; |
| } |
| |
| @Override |
| protected Object[] getChildren(Object parent, int index, int length, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| if (context.getId().equals(IDebugUIConstants.ID_DEBUG_VIEW)) { |
| PDAThread thread = ((PDADebugTarget) parent).getThread(0); |
| if (thread != null) { |
| return getElements(thread.getStackFrames(), index, length); |
| } |
| } |
| return EMPTY; |
| } |
| |
| @Override |
| protected boolean supportsContextId(String id) { |
| return IDebugUIConstants.ID_DEBUG_VIEW.equals(id); |
| } |
| |
| } |