@Override
  protected void okPressed() {
    if (textFile.getText().length() == 0 || scopeCombo.getSelectionIndex() < 0) {
      MessageDialog.openWarning(
          getShell(), Messages.GenerateReportDialog_5, Messages.GenerateReportDialog_6);
      return;
    }
    List<Integer> rootElements = new ArrayList<Integer>(0);
    rootElements.add(getRootElement());
    if (getRootElements() != null) rootElements.addAll(Arrays.asList(getRootElements()));
    IPreferenceStore preferenceStore = Activator.getDefault().getPreferenceStore();
    boolean dontShow =
        preferenceStore.getBoolean(PreferenceConstants.SHOW_REPORT_VALIDATION_WARNING);
    IValidationService vService = ServiceFactory.lookupValidationService();
    boolean validationsExistant = false;
    for (Integer scopeId : rootElements) {
      if (vService.getValidations(scopeId, (Integer) null).size() > 0) {
        validationsExistant = true;
        break;
      }
    }

    if (!dontShow && validationsExistant) {
      MessageDialogWithToggle dialog =
          MessageDialogWithToggle.openYesNoQuestion(
              getParentShell(),
              Messages.GenerateReportDialog_5,
              Messages.GenerateReportDialog_21,
              Messages.GenerateReportDialog_23,
              dontShow,
              preferenceStore,
              PreferenceConstants.SHOW_REPORT_VALIDATION_WARNING);
      preferenceStore.setValue(
          PreferenceConstants.SHOW_REPORT_VALIDATION_WARNING, dialog.getToggleState());

      if (!(dialog.getReturnCode() == IDialogConstants.OK_ID
          || dialog.getReturnCode() == IDialogConstants.YES_ID)) {
        return;
      }
    }

    String f = textFile.getText();
    chosenReportType = reportTypes[comboReportType.getSelectionIndex()];
    chosenOutputFormat = chosenReportType.getOutputFormats()[comboOutputFormat.getSelectionIndex()];

    chosenReportType.setReportFile(textReportTemplateFile.getText());

    // This just appends the chosen report's extension if the existing
    // suffix does not match. Could be enhanced.
    if (!f.endsWith(chosenOutputFormat.getFileSuffix())) {
      f += "." + chosenOutputFormat.getFileSuffix(); // $NON-NLS-1$
    }

    outputFile = new File(f);
    resetScopeCombo();
    super.okPressed();
  }
  @Override
  protected void okPressed() {
    try {
      if (textFile.getText().length() == 0 || scopeCombo.getSelectionIndex() < 0) {
        MessageDialog.openWarning(
            getShell(), Messages.GenerateReportDialog_5, Messages.GenerateReportDialog_6);
        return;
      }
      List<Integer> scopeIds = new ArrayList<Integer>(0);
      if (getRootElement() != null) {
        scopeIds.add(getRootElement());
      }
      if (getRootElements() != null) {
        for (Integer scopeId : getRootElements()) {
          if (scopeId != null) {
            scopeIds.add(scopeId);
          }
        }
      }
      IPreferenceStore preferenceStore = Activator.getDefault().getPreferenceStore();
      boolean dontShow =
          preferenceStore.getBoolean(PreferenceConstants.SHOW_REPORT_VALIDATION_WARNING);
      IValidationService vService = ServiceFactory.lookupValidationService();
      boolean validationsExistant = false;
      for (Integer scopeId : scopeIds) {
        if (vService.getValidations(scopeId, (Integer) null).size() > 0) {
          validationsExistant = true;
          break;
        }
      }

      if (!dontShow && validationsExistant) {
        MessageDialogWithToggle dialog =
            MessageDialogWithToggle.openYesNoQuestion(
                getParentShell(),
                Messages.GenerateReportDialog_5,
                Messages.GenerateReportDialog_21,
                Messages.GenerateReportDialog_23,
                dontShow,
                preferenceStore,
                PreferenceConstants.SHOW_REPORT_VALIDATION_WARNING);
        preferenceStore.setValue(
            PreferenceConstants.SHOW_REPORT_VALIDATION_WARNING, dialog.getToggleState());

        if (!(dialog.getReturnCode() == IDialogConstants.OK_ID
            || dialog.getReturnCode() == IDialogConstants.YES_ID)) {
          return;
        }
      }

      String f = textFile.getText();
      if (reportTemplates.length > 0) {
        chosenReportMetaData = reportTemplates[comboReportType.getSelectionIndex()];
      } else {
        showNoReportsExistant();
        return;
      }
      chosenOutputFormat =
          getDepositService()
              .getOutputFormat(
                  chosenReportMetaData.getOutputFormats()[comboOutputFormat.getSelectionIndex()]);

      // This just appends the chosen report's extension if the existing
      // suffix does not match. Could be enhanced.
      if (!f.endsWith(chosenOutputFormat.getFileSuffix())) {
        f += "." + chosenOutputFormat.getFileSuffix(); // $NON-NLS-1$
      }

      String currentPath = setupDirPath();
      if (useDefaultFolder) {
        Activator.getDefault()
            .getPreferenceStore()
            .setValue(PreferenceConstants.DEFAULT_FOLDER_REPORT, currentPath);
      }
      currentPath = getOldTemplateFolderPath();
      outputFile = new File(f);
    } catch (Exception e) {
      LOG.error("Error while creating report.", e);
      MessageDialog.openError(getShell(), "Error", "An error occurred while creating report.");
      return;
    }
    super.okPressed();
  }