tp.setVisible(false);
parameterPanel = tp;
} else if ("namespace".equals(paramName)) {
IModel namespaceModel = new NamespaceParamModel(paramsModel, paramName);
IModel paramLabelModel = new ResourceModel(paramLabel, paramLabel);
parameterPanel = new NamespacePanel(componentId, namespaceModel, paramLabelModel, true);
} else if (options != null && options.size() > 0){
IModel<Serializable> valueModel = new MapModel(paramsModel, paramName);
IModel<String> labelModel = new ResourceModel(paramLabel, paramLabel);
parameterPanel = new DropDownChoiceParamPanel(componentId, valueModel, labelModel, options,