| /******************************************************************************* |
| * Copyright (c) 2006, 2007 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.model.elements; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.debug.core.IExpressionManager; |
| 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; |
| |
| /** |
| * Default content provider for the expression manager. |
| */ |
| public class ExpressionManagerContentProvider extends ElementContentProvider { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.model.provisional.elements.ElementContentProvider#getChildCount(java.lang.Object, org.eclipse.debug.internal.ui.viewers.provisional.IPresentationContext) |
| */ |
| protected int getChildCount(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| return ((IExpressionManager) element).getExpressions().length; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.model.provisional.elements.ElementContentProvider#getChildren(java.lang.Object, int, int, org.eclipse.debug.internal.ui.viewers.provisional.IPresentationContext) |
| */ |
| protected Object[] getChildren(Object parent, int index, int length, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| return getElements(((IExpressionManager) parent).getExpressions(), index, length); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.viewers.model.provisional.elements.ElementContentProvider#supportsContextId(java.lang.String) |
| */ |
| protected boolean supportsContextId(String id) { |
| return id.equals(IDebugUIConstants.ID_EXPRESSION_VIEW); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.model.elements.ElementContentProvider#hasChildren(java.lang.Object, org.eclipse.debug.internal.ui.viewers.model.provisional.IPresentationContext, org.eclipse.debug.internal.ui.viewers.model.provisional.IViewerUpdate) |
| */ |
| protected boolean hasChildren(Object element, IPresentationContext context, IViewerUpdate monitor) throws CoreException { |
| return ((IExpressionManager)element).hasExpressions(); |
| } |
| |
| } |