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/*******************************************************************************
* Copyright (c) 2007, 2010 Wind River Systems 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.ui.viewmodel;
import org.eclipse.cdt.dsf.concurrent.DataRequestMonitor;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelDelta;
import org.eclipse.debug.internal.ui.viewers.model.provisional.IModelProxy;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.Viewer;
/**
* View Model extension to the platform IModelProxy interface. This extension
* allows the IVMProvider implementation to delegate the model proxy implementation
* into a separate object.
* <br/>
* Note: The IVMModelProxy.init() may be called twice when installed, as a
* workaround for bug 241024.
*
* @since 1.0
*/
public interface IVMModelProxy extends IModelProxy {
/**
* Returns the root element that this model proxy was created for.
*/
public Object getRootElement();
/**
* Returns whether the given event applies to the root element and the
* nodes in this model proxy.
* <p>
* This method is the equivalent of calling
* <code> getEventDeltaFlags(event) != IModelDelta.NO_CHANGE </code>.
* </p>
*/
public boolean isDeltaEvent(Object event);
/**
* Creates a model delta for the given event.
*/
public void createDelta(final Object event, final DataRequestMonitor<IModelDelta> rm);
/**
* Sends the given delta to this model proxy's listeners.
*/
public void fireModelChanged(IModelDelta delta);
/**
* Returns the viewer.
*
* @since 2.0
*/
public Viewer getViewer();
/**
* Returns the viewer input that was set to the viewer when this proxy
* was created.
*
* @since 2.0
*/
public Object getViewerInput();
/**
* Returns the full path for the root element. If the path is empty, it
* means that the root element is the viewer input.
*
* @since 2.0
*/
public TreePath getRootPath();
/**
* Returns the delta flags associated with this event. This method is
*
* @param event
* @return
*
* @since 2.1
*/
public int getEventDeltaFlags(Object event);
}
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