public class ReportTemplate {

    private final SimpleStringProperty templateName = new SimpleStringProperty("");
    private final SimpleStringProperty destinationTemplateName = new SimpleStringProperty("");
    private SimpleObjectProperty<ReportTemplate> destinationTemplate = new SimpleObjectProperty<>();

    // The list of TemplateColumns
    private ArrayList<TemplateColumn> columns;

}

public class TemplateColumn {

    private final SimpleStringProperty columnName = new SimpleStringProperty("");
    private final SimpleIntegerProperty columnIndex = new SimpleIntegerProperty(0);
    private final SimpleObjectProperty<ColumnFormat> columnFormat = new SimpleObjectProperty<>(ColumnFormat.TEXT);
    private final SimpleIntegerProperty destinationColumnIndex = new SimpleIntegerProperty(-1);

}

private ComboBox<TemplateColumn> cboDestinationColumn;