lib/form/modgrade.php

   1 <?php
   2 global $CFG;
   3 require_once "$CFG->libdir/form/select.php";
   4
   5 /**
   6  * HTML class for a drop down element to select the grade for an activity,
   7  * used in mod update form
   8  *
   9  * @author       Jamie Pratt
  10  * @access       public
  11  */
  12 class MoodleQuickForm_modgrade extends MoodleQuickForm_select{
  13
  14     var $_hidenograde = false;
  15
  16     /**
  17      * Class constructor
  18      *
  19      * @param     string    Select name attribute
  20      * @param     mixed     Label(s) for the select
  21      * @param     mixed     Either a typical HTML attribute string or an associative array
  22      * @param     mixed     $options ignored
  23      * @access    public
  24      * @return    void
  25      */
  26     function MoodleQuickForm_modgrade($elementName=null, $elementLabel=null, $attributes=null, $hidenograde=false)
  27     {
  28         HTML_QuickForm_element::HTML_QuickForm_element($elementName, $elementLabel, $attributes, null);
  29         $this->_type = 'modgrade';
  30         $this->_hidenograde = $hidenograde;
  31
  32     } //end constructor
  33
  34     /**
  35      * Called by HTML_QuickForm whenever form event is made on this element
  36      *
  37      * @param     string    $event  Name of event
  38      * @param     mixed     $arg    event arguments
  39      * @param     object    $caller calling object
  40      * @since     1.0
  41      * @access    public
  42      * @return    mixed
  43      */
  44     function onQuickFormEvent($event, $arg, &$caller)
  45     {
  46         global $COURSE, $CFG;
  47         switch ($event) {
  48             case 'createElement':
  49                 // Need to call superclass first because we want the constructor
  50                 // to run.
  51                 $result = parent::onQuickFormEvent($event, $arg, $caller);
  52                 $strscale = get_string('scale');
  53                 $strscales = get_string('scales');
  54                 $scales = get_scales_menu($COURSE->id);
  55                 foreach ($scales as $i => $scalename) {
  56                     $grades[-$i] = $strscale .': '. $scalename;
  57                 }
  58                 if (!$this->_hidenograde) {
  59                     $grades[0] = get_string('nograde');
  60                 }
  61                 for ($i=100; $i>=1; $i--) {
  62                     $grades[$i] = $i;
  63                 }
  64                 $this->load($grades);
  65                 $linkobject = '<span class="helplink"><img height="17" width="17" alt="'.$strscales.'" src="'.$CFG->pixpath .'/help.gif" /></span>';
  66                 $this->setHelpButton(array('/course/scales.php?id='. $COURSE->id .'&amp;list=true', 'ratingscales',
  67                                      $linkobject, 400, 500, $strscales, 'none', true), 'link_to_popup_window');
  68                 return $result;
  69         }
  70         return parent::onQuickFormEvent($event, $arg, $caller);
  71     }
  72
  73 }
  74 ?>