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/*******************************************************************************
* Copyright (c) 2003, 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.ui.navigator;
import org.eclipse.ui.navigator.internal.dnd.CommonNavigatorDropAdapter;
import org.eclipse.ui.part.IDropActionDelegate;
/**
* <p>
* Used by the <b>org.eclipse.ui.navigator.dropHandler</b> extension point to carry
* out pluggable Drag and Drop actions.
* </p>
* <p>
* <strong>EXPERIMENTAL</strong>. This class or interface has been added as
* part of a work in progress. There is a guarantee neither that this API will
* work nor that it will remain the same. Please do not use this API without
* consulting with the Platform/UI team.
* </p>
* @since 3.2
*
*/
public interface ICommonDropActionDelegate extends IDropActionDelegate {
/**
* <p>
* Perform any necessary initialization using the {@link CommonViewer}.
* </p>
*
* @param aViewer
* The instance of {@link CommonViewer}that the current ICommonDropActionDelegate
* will be associated with
*/
void init(CommonViewer aViewer);
/**
* Carry out the DND operation
*
* @param operation
* one of DND.DROP_MOVE|DND.DROP_COPY|DND.DROP_LINK
* @param source
* The object being dragged
* @param target
* The object being dragged onto
* @return
*/
boolean run(CommonNavigatorDropAdapter dropAdapter, Object source, Object target);
}