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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* An abstract base class for QuickForm renderers
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.01 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_01.txt If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category HTML
* @package HTML_QuickForm
* @author Alexey Borzov <avb@php.net>
* @copyright 2001-2007 The PHP Group
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version CVS: $Id$
* @link http://pear.php.net/package/HTML_QuickForm
*/
/**
* An abstract base class for QuickForm renderers
*
* The class implements a Visitor design pattern
*
* @category HTML
* @package HTML_QuickForm
* @author Alexey Borzov <avb@php.net>
* @version Release: 3.2.9
* @since 3.0
* @abstract
*/
class HTML_QuickForm_Renderer
{
/**
* Constructor
*
* @access public
*/
function HTML_QuickForm_Renderer()
{
} // end constructor
/**
* Called when visiting a form, before processing any form elements
*
* @param HTML_QuickForm a form being visited
* @access public
* @return void
* @abstract
*/
function startForm(&$form)
{
return;
} // end func startForm
/**
* Called when visiting a form, after processing all form elements
*
* @param HTML_QuickForm a form being visited
* @access public
* @return void
* @abstract
*/
function finishForm(&$form)
{
return;
} // end func finishForm
/**
* Called when visiting a header element
*
* @param HTML_QuickForm_header a header element being visited
* @access public
* @return void
* @abstract
*/
function renderHeader(&$header)
{
return;
} // end func renderHeader
/**
* Called when visiting an element
*
* @param HTML_QuickForm_element form element being visited
* @param bool Whether an element is required
* @param string An error message associated with an element
* @access public
* @return void
* @abstract
*/
function renderElement(&$element, $required, $error)
{
return;
} // end func renderElement
/**
* Called when visiting a hidden element
*
* @param HTML_QuickForm_element a hidden element being visited
* @access public
* @return void
* @abstract
*/
function renderHidden(&$element)
{
return;
} // end func renderHidden
/**
* Called when visiting a raw HTML/text pseudo-element
*
* Only implemented in Default renderer. Usage of 'html' elements is
* discouraged, templates should be used instead.
*
* @param HTML_QuickForm_html a 'raw html' element being visited
* @access public
* @return void
* @abstract
*/
function renderHtml(&$data)
{
return;
} // end func renderHtml
/**
* Called when visiting a group, before processing any group elements
*
* @param HTML_QuickForm_group A group being visited
* @param bool Whether a group is required
* @param string An error message associated with a group
* @access public
* @return void
* @abstract
*/
function startGroup(&$group, $required, $error)
{
return;
} // end func startGroup
/**
* Called when visiting a group, after processing all group elements
*
* @param HTML_QuickForm_group A group being visited
* @access public
* @return void
* @abstract
*/
function finishGroup(&$group)
{
return;
} // end func finishGroup
} // end class HTML_QuickForm_Renderer
?>
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