//TODO: the action should be disabled by default if the corresponding component (button)
// is supposed to be disabled by default.
if (showEditableButtons) {
toolbar.add(UISupport.createToolbarButton(addParamAction));
toolbar.add(UISupport.createToolbarButton(removeParamAction, false));
toolbar.addSeparator();
toolbar.add(UISupport.createToolbarButton(updateParamsAction));
}
if (showDefaultParamsButton) {
toolbar.add(UISupport.createToolbarButton(defaultParamsAction, paramsTable.getRowCount() > 0));