protected final void initModuleSettingsPanel(VBox panel) {
    panel.getStyleClass().addAll(Style.DEAULT_CONTAINER.css());
    panel.getStyleClass().addAll(Style.MODULE_CONTAINER.css());
    panel.getChildren().add(footer);

    footer.runButton().setOnAction(event -> {
        ErrorTracker errorTracker = new ErrorTracker();
        Builder<? extends AbstractParameters> builder = getBuilder(errorTracker
                .andThen(s -> eventStudio().broadcast(new AddNotificationRequestEvent(NotificationType.ERROR, s,
                        DefaultI18nContext.getInstance().i18n("Invalid parameters")))));
        if (!errorTracker.errorOnBuild) {
            eventStudio().broadcast(new TaskExecutionRequestEvent(id(), builder.build()));
        }
    });
    modulePanel.setCenter(panel);
    eventStudio().addAnnotatedListeners(this);
}
 

@Override
protected Builder<SplitBySizeParameters> getBuilder(Consumer<String> onError) {
    SplitBySizeParametersBuilder builder = new SplitBySizeParametersBuilder();
    splitOptions.apply(builder, onError);
    selectionPane.apply(builder, onError);
    destinationDirectoryField.apply(builder, onError);
    destinationPane.apply(builder, onError);
    prefix.apply(builder, onError);
    return builder;
}
 

@Override
protected Builder<SplitByOutlineLevelParameters> getBuilder(Consumer<String> onError) {
    SplitByOutlineLevelParametersBuilder builder = new SplitByOutlineLevelParametersBuilder();
    splitOptions.apply(builder, onError);
    selectionPane.apply(builder, onError);
    destinationDirectoryField.apply(builder, onError);
    destinationPane.apply(builder, onError);
    prefix.apply(builder, onError);
    return builder;
}
 

@Override
protected Builder<? extends AbstractSplitByPageParameters> getBuilder(Consumer<String> onError) {
    Optional<SinglePdfSourceMultipleOutputParametersBuilder<? extends AbstractSplitByPageParameters>> builder = Optional
            .ofNullable(splitOptions.getBuilder(onError));
    builder.ifPresent(b -> {
        selectionPane.apply(b, onError);
        destinationDirectoryField.apply(b, onError);
        destinationPane.apply(b, onError);
        prefix.apply(b, onError);
    });
    return builder.orElse(null);
}
 

/**
 * @param onError
 *            function to be called in case of error while building the task parameters
 * @return a {@link Builder} for the parameters to be used to perform a pdf manipulation
 */
protected abstract Builder<? extends AbstractParameters> getBuilder(Consumer<String> onError);