RELEASE_2_1_13/src/blocks/forms/samples/forms/datasource_chooser.xml

<?xml version="1.0"?>
<!--
  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

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  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.
-->

<!--
  @version $Id$
-->

<fd:form xmlns:fd="http://apache.org/cocoon/forms/1.0#definition"
         xmlns:i18n="http://apache.org/cocoon/i18n/2.1">

  <fd:widgets>
    <fd:field id="name" required="true">
      <fd:datatype base="string"/>
    </fd:field>
    
    <!-- The datasource type. This is the union's "case" widget -->
    <fd:field id="sourcetype">
      <fd:datatype base="string"/>
      <!-- If you uncomment the line below the union will initially be showing the "SQL" choice -->
      <!-- <fd:initial-value>SQL</fd:initial-value> -->
      <fd:selection-list>
        <fd:item value=""/>
        <fd:item value="SQL"/>
        <fd:item value="file"/>
      </fd:selection-list>
    </fd:field>
    
    <!-- the datasource contents depends on its type -->
    <fd:union id="datasource" case="sourcetype">
      <fd:widgets>
        
        <!-- data for an SQL datasource -->
        <fd:group id="SQL">
          <fd:widgets>
            <fd:field id="jdbc-url">
              <fd:label>JDBC URL</fd:label>
              <fd:datatype base="string"/>
              <!-- pre-fill with the sample values in cocoon.xconf -->
              <fd:initial-value>jdbc:hsqldb:hsql://localhost:9002</fd:initial-value>
            </fd:field>
            <fd:field id="login">
              <fd:label>Login</fd:label>
              <fd:datatype base="string"/>
              <fd:initial-value>sa</fd:initial-value>
            </fd:field>
            <fd:field id="password">
              <fd:label>Password</fd:label>
              <fd:datatype base="string"/>
            </fd:field>
          </fd:widgets>
        </fd:group>
        
        <!-- data for a file datasource -->
        <fd:group id="file">
          <fd:widgets>
            <fd:field id="filename">
              <fd:datatype base="string"/>
            </fd:field>
          </fd:widgets>
        </fd:group>
      </fd:widgets>
    </fd:union>

    <fd:submit id="ok">
      <fd:label>OK</fd:label>
    </fd:submit>
    
  </fd:widgets>

</fd:form>