lib/form/header.php

   1 <?php
   2 // $Id$
   3
   4 require_once 'HTML/QuickForm/header.php';
   5
   6 /**
   7  * A pseudo-element used for adding headers to form
   8  *
   9  */
  10 class MoodleQuickForm_header extends HTML_QuickForm_header
  11 {
  12     /**
  13      * html for help button, if empty then no help
  14      *
  15      * @var string
  16      */
  17     var $_helpbutton='';
  18
  19     // {{{ accept()
  20
  21    /**
  22     * Accepts a renderer
  23     *
  24     * @param object     An HTML_QuickForm_Renderer object
  25     * @access public
  26     * @return void
  27     */
  28     function accept(&$renderer)
  29     {
  30         $this->_text .= $this->getHelpButton();
  31         $renderer->renderHeader($this);
  32     } // end func accept
  33
  34     // }}}
  35     /**
  36      * set html for help button
  37      *
  38      * @access   public
  39      * @param array $help array of arguments to make a help button
  40      * @param string $function function name to call to get html
  41      */
  42     function setHelpButton($helpbuttonargs, $function='helpbutton'){
  43         if (!is_array($helpbuttonargs)){
  44             $helpbuttonargs=array($helpbuttonargs);
  45         }else{
  46             $helpbuttonargs=$helpbuttonargs;
  47         }
  48         //we do this to to return html instead of printing it
  49         //without having to specify it in every call to make a button.
  50         if ('helpbutton' == $function){
  51             $defaultargs=array('', '', 'moodle', true, false, '', true);
  52             $helpbuttonargs=$helpbuttonargs + $defaultargs ;
  53         }
  54         $this->_helpbutton=call_user_func_array($function, $helpbuttonargs);
  55     }
  56     /**
  57      * get html for help button
  58      *
  59      * @access   public
  60      * @return  string html for help button
  61      */
  62     function getHelpButton(){
  63         return $this->_helpbutton;
  64     }
  65 } //end class MoodleQuickForm_header
  66 ?>