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 $_helpbutton='';
  17     function MoodleQuickForm_file($elementName=null, $elementLabel=null, $attributes=null) {
  18         parent::HTML_QuickForm_file($elementName, $elementLabel, $attributes);
  19     }
  20     /**
  21      * set html for help button
  22      *
  23      * @access   public
  24      * @param array $help array of arguments to make a help button
  25      * @param string $function function name to call to get html
  26      */
  27     function setHelpButton($helpbuttonargs, $function='helpbutton'){
  28         if (!is_array($helpbuttonargs)){
  29             $helpbuttonargs=array($helpbuttonargs);
  30         }else{
  31             $helpbuttonargs=$helpbuttonargs;
  32         }
  33         //we do this to to return html instead of printing it
  34         //without having to specify it in every call to make a button.
  35         if ('helpbutton' == $function){
  36             $defaultargs=array('', '', 'moodle', true, false, '', true);
  37             $helpbuttonargs=$helpbuttonargs + $defaultargs ;
  38         }
  39         $this->_helpbutton=call_user_func_array($function, $helpbuttonargs);
  40     }
  41     /**
  42      * set html for help button
  43      *
  44      * @access   public
  45      * @param array $help array of arguments to make a help button
  46      * @param string $function function name to call to get html
  47      */
  48     function getHelpButton(){
  49         return $this->_helpbutton;
  50     }
  51
  52     /**
  53      * Override createElement event to add max files
  54      */
  55     function onQuickFormEvent($event, $arg, &$caller)
  56     {
  57         if ($event == 'createElement') {
  58             $className = get_class($this);
  59             $this->$className($arg[0], $arg[1].' ('.get_string('maxsize', '', display_size($caller->getMaxFileSize())).')', $arg[2]);
  60             return true;
  61         }
  62         return parent::onQuickFormEvent($event, $arg, $caller);
  63     } // end func onQuickFormEvent
  64     /**
  65      * Slightly different container template when frozen.
  66      *
  67      * @return string
  68      */
  69     function getElementTemplateType(){
  70         if ($this->_flagFrozen){
  71             return 'static';
  72         } else {
  73             return 'default';
  74         }
  75     }
  76
  77 }
  78 ?>