if(currentGUI.isSingle()){
TransferHandler singleViewTransferHandler = new SingleViewTransferHandler(commonValues, thumbnails, currentGUI, currentCommands);
decode_pdf.setTransferHandler(singleViewTransferHandler);
} else {
TransferHandler multiViewTransferHandler = new MultiViewTransferHandler(commonValues, thumbnails, currentGUI, currentCommands);
currentGUI.getMultiViewerFrames().setTransferHandler(multiViewTransferHandler);
}
// DefaultTransferHandler dth = new DefaultTransferHandler(commonValues, thumbnails, currentGUI, currentCommands);
// decode_pdf.setTransferHandler(dth);