reconstructButton.addSelectionListener(new SelectionAdapter() {
            @Override
            public void widgetSelected(SelectionEvent e) {
                ReconstructionChartComposite rcc;
                Polynomial reconstruction;
                int[] playerIdsHelp = new int[Integer.parseInt(reconstructorSpinner.getText())];
                BigInteger[] sharesHelp = new BigInteger[Integer.parseInt(reconstructorSpinner.getText())];
                int[] playerIds;
                BigInteger[] shares;
                int i=0;
                try {
                    IViewReference[] platformParts = PlatformUI.getWorkbench()
                            .getActiveWorkbenchWindow().getActivePage()
                            .getViewReferences();
                    for (IViewReference platformPart : platformParts) {
                        if (platformPart.getPartName().compareTo(
                                "Verifiable Secret Sharing") == 0) {

                            for (Control control : scrolledReconstructionGroupContent.getChildren()) {
                                if(i==playerIdsHelp.length) {
                                    break;
                                }
                                if(control.getData() != null && ((Button)control).getSelection()) {
                                    playerIdsHelp[i] = Integer.parseInt(control.getData().toString());
//                                  sharesHelp[i] = Integer.parseInt(shareNTextShares[playerIdsHelp[i]-1].getText());
                                    sharesHelp[i] = new BigInteger(shareNTextShares[playerIdsHelp[i]-1].getText());
                                    i++;
                                }
                            }
                            playerIds = new int[i];
                            shares = new BigInteger[i];
                            for (int j=0; j<playerIds.length; j++) {
                                playerIds[j] = playerIdsHelp[j];
                                shares[j] = sharesHelp[j];
                            }
                            reconstruction = vss.reconstruct(playerIds, Integer.parseInt(moduleText.getText()), playerIds.length);
                            rcc = ((VerifiableSecretSharingView) platformPart
                                    .getView(false))
                                    .getReconstructionChartComposite();
                            rcc.setReconstructedPolynom(reconstruction);
                            rcc.setPlayerID(playerIds);
                            rcc.setShares(shares);
                            rcc.redrawChart();
                            //rcc.redraw();
                            ((VerifiableSecretSharingView) platformPart
                                    .getView(false))
                                    .setFocusOnReconstructionTab(true);
                        }
                    }
                } catch (Exception e1) {
                    e1.printStackTrace();
                }

            }
        });