| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.debug.internal.ui.elements.adapters; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IRegisterGroup; |
| import org.eclipse.debug.core.model.IValue; |
| import org.eclipse.debug.core.model.IVariable; |
| import org.eclipse.debug.internal.ui.views.variables.RemoteVariableContentManager; |
| import org.eclipse.debug.ui.DeferredDebugElementWorkbenchAdapter; |
| import org.eclipse.ui.progress.IElementCollector; |
| |
| public class DeferredRegisterGroup extends DeferredDebugElementWorkbenchAdapter { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.model.IWorkbenchAdapter#getChildren(java.lang.Object) |
| */ |
| public Object[] getChildren(Object parent) { |
| try { |
| return ((IRegisterGroup)parent).getRegisters(); |
| } catch (DebugException e) { |
| } |
| return EMPTY; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.model.IWorkbenchAdapter#getParent(java.lang.Object) |
| */ |
| public Object getParent(Object element) { |
| return null; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.progress.IDeferredWorkbenchAdapter#fetchDeferredChildren(java.lang.Object, org.eclipse.ui.progress.IElementCollector, org.eclipse.core.runtime.IProgressMonitor) |
| */ |
| public void fetchDeferredChildren(Object object, IElementCollector collector, IProgressMonitor monitor) { |
| if (monitor.isCanceled()) { |
| return; |
| } |
| Object[] children = getChildren(object); |
| if (children.length > 0) { |
| if (collector instanceof RemoteVariableContentManager.VariableCollector) { |
| RemoteVariableContentManager.VariableCollector remoteCollector = (RemoteVariableContentManager.VariableCollector) collector; |
| for (int i = 0; i < children.length; i++) { |
| Object child = children[i]; |
| remoteCollector.setHasChildren(child, hasChildren(child)); |
| } |
| } |
| collector.add(children, monitor); |
| } |
| collector.done(); |
| } |
| |
| protected boolean hasChildren(Object child) { |
| if (child instanceof IVariable) { |
| IVariable var = (IVariable) child; |
| try { |
| IValue value = var.getValue(); |
| return value.hasVariables(); |
| } catch (DebugException e) { |
| } |
| } |
| return false; |
| } |
| } |