Bug 126658 [CommonNavigator] [DND] Complete definition of DND API
bundles/org.eclipse.ui.navigator.resources/src/org/eclipse/ui/internal/navigator/resources/workbench/ResourceDropAction.java
if (copyOperation == null)
			copyOperation = new CopyFilesAndFoldersOperation(getShell());
		return copyOperation;
	}
	protected IResource getResource(Object target) {
		return (IResource) AdaptabilityUtility.getAdapter(target, IRESOURCE_CLASS);
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.navigator.CommonDropAdapterAssistant#validateDrop(java.lang.Object, int, org.eclipse.swt.dnd.TransferData)
	 */
	public boolean validateDrop(Object target, int operation, TransferData transferType) {
		
		return false;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.navigator.CommonDropAdapterAssistant#handleDrop(org.eclipse.swt.dnd.DropTargetEvent, java.lang.Object)
	 */
	public boolean handleDrop(DropTargetEvent aDropTargetEvent, Object aTarget) {
		
		return false;
	}
	/* (non-Javadoc)
	 * @see org.eclipse.ui.navigator.CommonDropAdapterAssistant#findSupportedTransferData(org.eclipse.swt.dnd.TransferData[])
	 */
	public TransferData findSupportedTransferData(TransferData[] theAvailableTransferData) {
		
		return null;
	}
}