hiddenselect.php

完美的在线教育系统

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP version 4.0                                                      |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997, 1998, 1999, 2000, 2001 The PHP Group             |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license,       |
// | that is bundled with this package in the file LICENSE, and is        |
// | available at through the world-wide-web at                           |
// | http://www.php.net/license/2_02.txt.                                 |
// | If you did not receive a copy of the PHP license and are unable to   |
// | obtain it through the world-wide-web, please send a note to          |
// | [e-mail] so we can mail you a copy immediately.               |
// +----------------------------------------------------------------------+
// | Authors: Adam Daniel <[e-mail]>                        |
// |          Bertrand Mansion <[e-mail]>                     |
// +----------------------------------------------------------------------+
//
// $Id: hiddenselect.php 9612 2006-10-20 11:56:44Z bmol $

require_once('HTML/QuickForm/select.php');

/**
 * This class takes the same arguments as a select element, but instead
 * of creating a select ring it creates hidden elements for all values
 * already selected with setDefault or setConstant.  This is useful if
 * you have a select ring that you don't want visible, but you need all
 * selected values to be passed.
 *
 * @author       Isaac Shepard <[e-mail]>
 * 
 * @version      1.0
 * @since        2.1
 * @access       public
 */
class HTML_QuickForm_hiddenselect extends HTML_QuickForm_select
{
    // {{{ constructor
        
    /**
     * Class constructor
     * 
     * @param     string    Select name attribute
     * @param     mixed     Label(s) for the select (not used)
     * @param     mixed     Data to be used to populate options
     * @param     mixed     Either a typical HTML attribute string or an associative array (not used)
     * @since     1.0
     * @access    public
     * @return    void
     */
    function HTML_QuickForm_hiddenselect($elementName=null, $elementLabel=null, $options=null, $attributes=null)
    {
        HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes);
        $this->_persistantFreeze = true;
        $this->_type = 'hiddenselect';
        if (isset($options)) {
            $this->load($options);
        }
    } //end constructor
    
    // }}}
    // {{{ toHtml()

    /**
     * Returns the SELECT in HTML
     *
     * @since     1.0
     * @access    public
     * @return    string
     * @throws    
     */
    function toHtml()
    {
        if (empty($this->_values)) {
            return '';
        }

        $tabs    = $this->_getTabs();
        $name    = $this->getPrivateName();
        $strHtml = '';

        foreach ($this->_values as $key => $val) {
            for ($i = 0, $optCount = count($this->_options); $i < $optCount; $i++) {
                if ($val == $this->_options[$i]['attr']['value']) {
                    $strHtml .= $tabs . '<input' . $this->_getAttrString(array(
                        'type'  => 'hidden',
                        'name'  => $name,
                        'value' => $val
                    )) . " />\n" ;
                }
            }
        }

        return $strHtml;
    } //end func toHtml
    
    // }}}
    // {{{ accept()

   /**
    * This is essentially a hidden element and should be rendered as one  
    */
    function accept(&$renderer)
    {
        $renderer->renderHidden($this);
    }

    // }}}
} //end class HTML_QuickForm_hiddenselect
?>