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

<?xml version="1.0"?>
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      http://www.apache.org/licenses/LICENSE-2.0

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<!-- This file is similar to form1_template_action.xml. They differ in group layout,
     form's action attribute (to use continuations) and, this one is a dynamic form
     template that changes the 'contacts' repeater layout depending on its size -->
<page xmlns:ft="http://apache.org/cocoon/forms/1.0#template"
      xmlns:fi="http://apache.org/cocoon/forms/1.0#instance"
      xmlns:jx="http://apache.org/cocoon/templates/jx/1.0">
      
  <!-- Import the macros that define CForms template elements -->
  <jx:import uri="resource://org/apache/cocoon/forms/generation/jx-macros.xml"/>
  
  <title>Dynamic template</title>
  <style type="text/css">
    /* Additional styles for alternating row colors */
    .forms-row-0 td {
       padding: 5px;
       background-color: #E0E0E0;
    }

    .forms-row-1 td {
       padding: 5px;
    }
  </style>
  
  <content>
    <ft:form-template action="#{$cocoon/continuation/id}.continue" method="POST">
    
    <p>This is an example of how dynamic templates (using the JX macros) allow to change the
       page structure depending on the form contents. By adding or removing rows in the repeater
       below you will see:</p>
    <ul>
      <li>when there are no contacts, only the "Add contact" button is displayed and the table isn't shown,</li>
      <li>when there are some contacts, the "move up" and "move down" buttons are not shown on the first and last lines, respectively.</li>
    </ul>
        <jx:choose>
          <jx:when test="${form.getChild('contacts').getSize() == 0}">
            <p><strong><em>There are no contacts to display</em></strong></p>
          </jx:when>
          <jx:otherwise>

            <table border="1">
              <tr>
                <th><ft:repeater-widget-label id="contacts" widget-id="firstname"/></th>
                <th><ft:repeater-widget-label id="contacts" widget-id="lastname"/></th>
                <th><ft:repeater-widget-label id="contacts" widget-id="ID"/></th>
                <th><ft:repeater-widget-label id="contacts" widget-id="select"/></th>
              </tr>
                  <!-- The contents of the repeater-widget element is a template that will
                       be applied to each row in the repeater. -->
                  <ft:repeater-widget id="contacts">
                    <tr class="forms-row-${repeaterLoop.index % 2}">
                      <td><ft:widget id="firstname"/></td>
                      <td><ft:widget id="lastname"/></td>
                      <td><ft:widget id="ID"/></td>
                      <td>
                        <!-- Don't display the "move up" button on the first row -->
                        <jx:choose>
                          <jx:when test="${repeaterLoop.first}">
                            <img src="resources/forms/img/blank_btn.gif"/>
                          </jx:when>
                          <jx:otherwise>
                            <ft:widget id="up">
                              <fi:styling type="image" src="resources/forms/img/move_up.gif"/>
                            </ft:widget>
                          </jx:otherwise>
                        </jx:choose>
                        <!-- Don't display the "move down" button on the first row -->
                        <jx:choose>
                          <jx:when test="${repeaterLoop.last}">
                            <img src="resources/forms/img/blank_btn.gif"/>
                          </jx:when>
                          <jx:otherwise>
                            <ft:widget id="down">
                              <fi:styling type="image" src="resources/forms/img/move_down.gif"/>
                            </ft:widget>
                          </jx:otherwise>
                        </jx:choose>
                      <ft:widget id="select"/>
                      </td>
                    </tr>
                  </ft:repeater-widget>
            </table>
                </jx:otherwise>
              </jx:choose>
              <p>
                  <ft:widget id="addcontact"/>
                  <jx:if test="${widget.getChild('contacts').getSize() > 0}">
                    <ft:widget id="removecontacts"/>
                  </jx:if>
              </p>
            <ft:widget id="submit"/><br/>
            <a href="./do-dynaRepeater.flow">Restart this sample</a> - <a href="./">Back to samples</a>

    </ft:form-template>
  </content>
</page>