ASF_20_SRC_AUTO/src/blocks/woody/samples/forms/form2_bind_xml.xml

<?xml version="1.0"?>
<!--
    | Binding template between 
    |   - form_data file (backend)
    |   - and form_model file
     -->
<wb:context 
            xmlns:wb="http://apache.org/cocoon/woody/binding/1.0" 
            xmlns:wd="http://apache.org/cocoon/woody/definition/1.0" 
            path="/data/wrapper/context" >

  <wb:context path="info">
    <!-- the email value will not be saved because of the @direction="load" -->
    <wb:value id="email"   path="email"   direction="load"/>

    <!-- jxpath binds to nodes as well as to attributes -->
    <wb:value id="number" path="number/@value">
      <!-- for non-string datatypes, a convertor must be specified. These are
      the same convertors as can be used in form definitions, but require an
      extra datatype attribute. Here we use the default convertor for longs. -->
      <wd:convertor datatype="integer"/>
    </wb:value>

    <wb:value id="choose" path="choose/@value">
      <wd:convertor datatype="boolean"/>
    </wb:value>

    <!-- one entry field in the client maps through aggregate fields -->
    <wb:aggregate id="phone" path="phone" >
      <!-- to multiple fields in the XML file -->
      <wb:value id="number" path="number" />
      <wb:value id="zone"   path="zone"   />
      <wb:value id="cntr"   path="@cntr"  />
    </wb:aggregate>
    
  </wb:context>
  
  
  <wb:value id="ipaddress" path="ipaddress">
    <wb:on-update>
      <!-- if the value has changed, the attribute will be set -->
      <wb:set-attribute name="changed" value="true"/>
    </wb:on-update>
  </wb:value>

  <wb:value id="birthday" path="birthday">
    <wd:convertor datatype="date" type="formatting">
      <wd:patterns>
        <wd:pattern>yyyy-MM-dd</wd:pattern>
      </wd:patterns>
    </wd:convertor>
  </wb:value>

  <wb:multi-value id="drinks" parent-path="drinks" row-path="drink"/>

  <!-- repeater requires unique identification mechanism of the row-nodes -->
  <wb:repeater id="contacts"
    parent-path="contacts"
    row-path="contact"
    unique-row-id="id"
    unique-path="@id"
    >
    
    <!-- optional convertor to use for mapping the unique id -->
    <wd:convertor datatype="long" />
        
    <!-- important note: the row-path is used inside jxpath-createPath context,
         as a consequence it cannot have dependent children or predicates -->

    <wb:on-bind>
        <!-- executed on updates AND right after the insert -->
      <wb:value id="firstname" path="firstname" />
      <wb:value id="lastname"  path="lastname"  />
      <wb:value id="phone"     path="phone/@nr" />
      <wb:value id="email"     path="email"     />
    </wb:on-bind>

    <wb:on-delete-row>
        <!-- chose on of these to test -->
        <!--
      <wb:set-attribute name="row-state" value="deleted" />
      -->
      <wb:delete-node />
    </wb:on-delete-row>

    <wb:on-insert-row>
      <!-- The insert-node element contains a piece of template XML to be
      inserted for new rows. Alternatively, you could also add a "src"
      attribute on the insert-node element pointing to an external source
      to retrieve the template from. -->
      <wb:insert-node>
        <!-- template inserted by the binding for new rows (mapping new nodes) -->
        <contact id="" row-state="new">
          <firstname/><lastname/><phone nr=""/><email/>
        </contact>              
      </wb:insert-node>
    </wb:on-insert-row>
  </wb:repeater>

</wb:context>