| /********************************************************************** |
| * Copyright (c) 2004 QNX Software Systems and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * QNX Software Systems - Initial API and implementation |
| ***********************************************************************/ |
| package org.eclipse.debug.internal.ui.views.registers; |
| |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IRegisterGroup; |
| import org.eclipse.debug.core.model.IStackFrame; |
| import org.eclipse.debug.core.model.IVariable; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.internal.ui.views.IDebugExceptionHandler; |
| import org.eclipse.debug.internal.ui.views.variables.VariablesViewContentProvider; |
| import org.eclipse.debug.ui.IDebugView; |
| |
| /** |
| * Provides contents for the registers view |
| */ |
| public class RegistersViewContentProvider extends VariablesViewContentProvider { |
| |
| public RegistersViewContentProvider(IDebugView view) { |
| super(view); |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#getChildren(java.lang.Object) |
| */ |
| public Object[] getChildren(Object parent) { |
| Object[] children= null; |
| try { |
| if (parent instanceof IStackFrame) { |
| children = ((IStackFrame)parent).getRegisterGroups(); |
| } else if (parent instanceof IRegisterGroup) { |
| children = ((IRegisterGroup)parent).getRegisters(); |
| } else if (parent instanceof IVariable) { |
| children = super.getChildren( parent ); |
| } |
| if (children != null) { |
| cache(parent, children); |
| return children; |
| } |
| } catch (DebugException de) { |
| if (getExceptionHandler() != null) { |
| getExceptionHandler().handleException(de); |
| } else { |
| DebugUIPlugin.log(de); |
| } |
| } |
| return new Object[0]; |
| } |
| |
| /** |
| * @see org.eclipse.jface.viewers.ITreeContentProvider#hasChildren(java.lang.Object) |
| */ |
| public boolean hasChildren(Object element) { |
| try { |
| if (element instanceof IStackFrame) { |
| return ((IStackFrame)element).hasRegisterGroups(); |
| } |
| if (element instanceof IRegisterGroup) { |
| return ((IRegisterGroup)element).hasRegisters(); |
| } |
| } catch (DebugException de) { |
| DebugUIPlugin.log(de); |
| return false; |
| } |
| return super.hasChildren(element); |
| } |
| |
| /** |
| * @see org.eclipse.debug.internal.ui.views.variables.VariablesViewContentProvider#setExceptionHandler(org.eclipse.debug.internal.ui.views.IDebugExceptionHandler) |
| */ |
| protected void setExceptionHandler(IDebugExceptionHandler handler) { |
| super.setExceptionHandler(handler); |
| } |
| } |