lib/form/file.php

   1 <?php
   2 require_once('HTML/QuickForm/file.php');
   3
   4 /**
   5  * HTML class for a form element to upload a file
   6  *
   7  * @author       Jamie Pratt
   8  * @access       public
   9  */
  10 class MoodleQuickForm_file extends HTML_QuickForm_file{
  11     /**
  12      * html for help button, if empty then no help
  13      *
  14      * @var string
  15      */
  16     var $_helpbutton='';
  17     /**
  18      * set html for help button
  19      *
  20      * @access   public
  21      * @param array $help array of arguments to make a help button
  22      * @param string $function function name to call to get html
  23      */
  24     function setHelpButton($helpbuttonargs, $function='helpbutton'){
  25         if (!is_array($helpbuttonargs)){
  26             $helpbuttonargs=array($helpbuttonargs);
  27         }else{
  28             $helpbuttonargs=$helpbuttonargs;
  29         }
  30         //we do this to to return html instead of printing it
  31         //without having to specify it in every call to make a button.
  32         if ('helpbutton' == $function){
  33             $defaultargs=array('', '', 'moodle', true, false, '', true);
  34             $helpbuttonargs=$helpbuttonargs + $defaultargs ;
  35         }
  36         $this->_helpbutton=call_user_func_array($function, $helpbuttonargs);
  37     }
  38     /**
  39      * set html for help button
  40      *
  41      * @access   public
  42      * @param array $help array of arguments to make a help button
  43      * @param string $function function name to call to get html
  44      */
  45     function getHelpButton(){
  46         return $this->_helpbutton;
  47     }
  48
  49     /**
  50      * Override createElement event to add max files
  51      */
  52     function onQuickFormEvent($event, $arg, &$caller)
  53     {
  54         if ($event == 'createElement') {
  55             $className = get_class($this);
  56             $this->$className($arg[0], $arg[1].' ('.get_string('maxsize', '', display_size($caller->getMaxFileSize())).')', $arg[2]);
  57             return true;
  58         }
  59         return parent::onQuickFormEvent($event, $arg, $caller);
  60     } // end func onQuickFormEvent
  61     /**
  62      * Slightly different container template when frozen.
  63      *
  64      * @return string
  65      */
  66     function getElementTemplateType(){
  67         if ($this->_flagFrozen){
  68             return 'static';
  69         } else {
  70             return 'default';
  71         }
  72     }
  73
  74 }
  75 ?>