tapestry-framework/src/java/org/apache/tapestry/components/If.jwc

<?xml version="1.0" encoding="UTF-8"?>
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   Copyright 2005 The Apache Software Foundation

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<!DOCTYPE component-specification PUBLIC 
  "-//Apache Software Foundation//Tapestry Specification 4.0//EN" 
  "http://tapestry.apache.org/dtd/Tapestry_4_0.dtd">

<component-specification class="org.apache.tapestry.components.IfBean" allow-body="yes" allow-informal-parameters="yes">
    
  <description>
  Conditionally emulates an element and its attributes and/or includes a block of content 
  if a condition is met.
  </description>
  
  <parameter name="condition" required="yes">
    <description>
    The condition to evaluate.
    </description>
  </parameter>
  
  <parameter name="conditionValue">
    <description>
    The value of the condition. During render this is obtained from
    the condition parameter. During rewind it is the submitted condition.
    </description>
  </parameter>

  <parameter name="listener"/>
  
  <parameter name="renderTag" default-value="ognl:defaultRenderTags" />
  
  <parameter name="element" deprecated="yes" >
  	<description>
  	The element to emulate. Usage deprecated, please use the renderTag parameter to control
    whether or not to render the tag.
  	</description>
  </parameter>
  
  <parameter name="volatile" default-value="false">
    <description>
    Only active in a form. Determines whether to avoid creating hidden fields within a form.
    Using this parameter may make the form structure different during render and rewind, 
    and cause exceptions as a result. Please use with caution.
    </description>
  </parameter>
  
  <property name="name"/>
  <property name="form"/>

  <inject property="defaultRenderTags" object="app-property:org.apache.tapestry.renderTags" />
  <inject property="dataSqueezer" object="service:tapestry.data.DataSqueezer"/>
  <inject property="listenerInvoker" object="infrastructure:listenerInvoker"/>
  
</component-specification>