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/*******************************************************************************
* Copyright (c) 2012 Wind River Systems, Inc. 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.tcf.te.launch.ui.viewer.dnd;
import org.eclipse.jface.util.LocalSelectionTransfer;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.dnd.DragSourceEvent;
import org.eclipse.swt.dnd.Transfer;
import org.eclipse.ui.navigator.CommonDragAdapterAssistant;
/**
* Drag assistant implementation.
*/
public class DragAssistant extends CommonDragAdapterAssistant {
private CommonDnD commonDnD = new CommonDnD();
/* (non-Javadoc)
* @see org.eclipse.ui.navigator.CommonDragAdapterAssistant#dragStart(org.eclipse.swt.dnd.DragSourceEvent, org.eclipse.jface.viewers.IStructuredSelection)
*/
@Override
public void dragStart(DragSourceEvent event, IStructuredSelection selection) {
event.doit = commonDnD.isDraggable(selection);
}
/* (non-Javadoc)
* @see org.eclipse.ui.navigator.CommonDragAdapterAssistant#getSupportedTransferTypes()
*/
@Override
public Transfer[] getSupportedTransferTypes() {
return new Transfer[] {LocalSelectionTransfer.getTransfer()};
}
/* (non-Javadoc)
* @see org.eclipse.ui.navigator.CommonDragAdapterAssistant#setDragData(org.eclipse.swt.dnd.DragSourceEvent, org.eclipse.jface.viewers.IStructuredSelection)
*/
@Override
public boolean setDragData(DragSourceEvent event, IStructuredSelection aSelection) {
if (LocalSelectionTransfer.getTransfer().isSupportedType(event.dataType)) {
event.data = LocalSelectionTransfer.getTransfer().getSelection();
return true;
}
return false;
}
}
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