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/*******************************************************************************
* 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();
}
}
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