question/contextmove_form.php

   1 <?php  // $Id$
   2
   3 if (!defined('MOODLE_INTERNAL')) {
   4     die('Direct access to this script is forbidden.');    ///  It must be included from a Moodle page
   5 }
   6
   7 require_once($CFG->libdir.'/formslib.php');
   8
   9 class question_context_move_form extends moodleform {
  10
  11     function definition() {
  12         global $CFG;
  13         $mform    =& $this->_form;
  14
  15 //--------------------------------------------------------------------------------
  16         $urls   = $this->_customdata['urls'];
  17         $fromareaname   = $this->_customdata['fromareaname'];
  18         $toareaname   = $this->_customdata['toareaname'];
  19         $fileoptions = array(QUESTION_FILEDONOTHING=>get_string('donothing', 'question'),
  20                       QUESTION_FILECOPY=>get_string('copy', 'question', $fromareaname),
  21                       QUESTION_FILEMOVE=>get_string('move', 'question', $fromareaname),
  22                       QUESTION_FILEMOVELINKSONLY=>get_string('movelinksonly', 'question', $fromareaname));
  23         $brokenfileoptions = array(QUESTION_FILEDONOTHING=>get_string('donothing', 'question'),
  24                   QUESTION_FILEMOVELINKSONLY=>get_string('movelinksonly', 'question', $fromareaname));
  25         $brokenurls   = $this->_customdata['brokenurls'];
  26         if (count($urls)){
  27
  28             $mform->addElement('header','general', get_string('filestomove', 'question', $toareaname));
  29
  30             $i = 0;
  31             foreach (array_keys($urls) as $url){
  32                 $iconname = mimeinfo('icon', $url);
  33                 $icontype = mimeinfo('type', $url);
  34                 $img = "<img src=\"$CFG->pixpath/f/$iconname\"  class=\"icon\" alt=\"$icontype\" />";
  35                 if (in_array($url, $brokenurls)){
  36                     $mform->addElement('select', "urls[$i]", $img.$url, $brokenfileoptions);
  37                 } else {
  38                     $mform->addElement('select', "urls[$i]", $img.$url, $fileoptions);
  39                 }
  40                 $i++;
  41             }
  42
  43         }
  44         if (count($brokenurls)){
  45             $mform->addElement('advcheckbox','ignorebroken', get_string('ignorebroken', 'question'));
  46         }
  47         //--------------------------------------------------------------------------------
  48         $this->add_action_buttons(true, get_string('movecategory', 'question'));
  49
  50     }
  51
  52     function validation($data, $files) {
  53         $errors = parent::validation($data, $files);
  54         $tocoursefilesid = $this->_customdata['tocoursefilesid'];
  55         $fromcoursefilesid = $this->_customdata['fromcoursefilesid'];
  56         if (isset($data['urls'])  && (count($data['urls']))){
  57             foreach ($data['urls'] as $key => $urlaction){
  58                 switch ($urlaction){
  59                     case QUESTION_FILEMOVE :
  60                         if (!has_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $fromcoursefilesid))){
  61                             $errors["urls[$key]"] = get_string('filecantmovefrom', 'question');
  62                         }
  63                         //no break; COPY check is also applied to MOVE action
  64                     case QUESTION_FILECOPY :
  65                         if (!has_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $tocoursefilesid))){
  66                             $errors["urls[$key]"] = get_string('filecantmoveto', 'question');
  67                         }
  68                         break;
  69                     case QUESTION_FILEMOVELINKSONLY :
  70                     case  QUESTION_FILEDONOTHING :
  71                         break;
  72                 }
  73             }
  74         }
  75         //check that there hasn't been any changes in files between time form was displayed
  76         //and now when it has been submitted.
  77         if (isset($data['urls'])  &&
  78             (count($data['urls'])
  79                 != count($this->_customdata['urls']))){
  80             $errors['urls[0]'] = get_string('errorfileschanged', 'question');
  81         }
  82         return $errors;
  83     }
  84     /*
  85      * We want these errors to show up on first loading the form which is not the default for
  86      * validation method which is not run until submission.
  87      */
  88     function definition_after_data(){
  89         $mform = $this->_form;
  90         $brokenurls   = $this->_customdata['brokenurls'];
  91         if (count($brokenurls)){
  92             $ignoreval = $mform->getElementValue('ignorebroken');
  93             if (!$ignoreval){
  94                 $urls   = $this->_customdata['urls'];
  95                 $i = 0;
  96                 foreach (array_keys($urls) as $url){
  97                     if (in_array($url, $brokenurls)){
  98                         $mform->setElementError("urls[$i]", get_string('broken', 'question'));
  99                     } else {
 100                         $mform->setElementError("urls[$i]", '');
 101                     }
 102                     $i++;
 103                 }
 104             }
 105         }
 106     }
 107 }
 108 ?>