tobago-extension/tobago-sandbox/src/main/resources/META-INF/file.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
-->

<ui:composition xmlns:ui="http://java.sun.com/jsf/facelets"
      xmlns:f="http://java.sun.com/jsf/core"
      xmlns:c="http://java.sun.com/jsp/jstl/core"
      xmlns:tc="http://myfaces.apache.org/tobago/component">

  <c:if test="${empty rendered}">
    <c:set var="rendered" value="true"/>
  </c:if>
  <c:if test="${empty labelWidth}">
    <c:set var="labelWidth" value="auto"/>
  </c:if>
  <tc:panel rendered="${rendered}">
    <f:facet name="layout">
      <tc:gridLayout columns="${labelWidth};*"/>
    </f:facet>
    <tc:label value="${label}" for="@auto" tip="${tip}"/>
    <c:choose>
	    <c:when test="${empty id}">
        <tc:file value="${value}" required="${required}"
                 readonly="${readonly}" disabled="${disabled}">
          <ui:insert/>
        </tc:file>
      </c:when>
	    <c:when test="${not empty id}">
        <tc:file id="${id}" value="${value}" required="${required}"
                 readonly="${readonly}" disabled="${disabled}">
          <ui:insert/>
        </tc:file>
      </c:when>
    </c:choose>     
  </tc:panel>
</ui:composition>