/*******************************************************************************
* Copyright (c) 2002, 2008 QNX Software 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:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.dnd;
import org.eclipse.core.resources.IResource;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.swt.dnd.DropTargetEvent;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.ui.part.PluginDropAdapter;
import org.eclipse.ui.part.PluginTransfer;
import org.eclipse.cdt.core.model.ICElement;
/**
* PluginTransferDropAdapter
* Enable DND to support PluginTransfer type.
* The actual DND operation is a call back to the
* org.eclipse.ui.dropActions delegate.
*
*/
public class PluginTransferDropAdapter extends PluginDropAdapter implements
TransferDropTargetListener {
public PluginTransferDropAdapter (StructuredViewer viewer) {
super(viewer);
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.ui.dnd.TransferDropTargetListener#getTransfer()
*/
public Transfer getTransfer() {
return PluginTransfer.getInstance();
}
/* (non-Javadoc)
* @see org.eclipse.cdt.internal.ui.dnd.TransferDropTargetListener#isEnabled(org.eclipse.swt.dnd.DropTargetEvent)
*/
public boolean isEnabled(DropTargetEvent event) {
Object target= event.item != null ? event.item.getData() : null;
if (target == null) {
return false;
}
return target instanceof ICElement || target instanceof IResource;
}
}