<p:panel header="Servus i bims 1 panel">
        <p>Username:</p>
        <p:inputText value="#{operationBean.user.username}" />
        <p>Group:</p>
        <p:selectOneMenu value="#{operationBean.user.group}">
            <f:selectItems value="#{operationBean.getGroupsList()}" />
        </p:selectOneMenu>
        <p>Password:</p>
        <p:inputText value="#{operationBean.user.password}" />
        <p>Gender:</p>
        <p:selectOneRadio value="#{operationBean.user.gender}">
            <f:selectItem itemLabel="Männlich" itemValue="0" />
            <f:selectItem itemLabel="Weiblich" itemValue="1" />
            <f:selectItem itemLabel="Andere" itemValue="2" />
        </p:selectOneRadio><!--
        <p>Geburtzdag:</p>
        <p:calendar id="button" value="#{operationBean.user.birthdate}" showOn="button" /> -->
    </p:panel>