question/contextmove_form.php

   1 <?php
   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, $OUTPUT;
  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                 $icontype = mimeinfo('type', $url);
  33                 $img = "<img src=\"" . $OUTPUT->pix_url(file_extension_icon($url)) . "\"  class=\"icon\" alt=\"$icontype\" />";
  34                 if (in_array($url, $brokenurls)){
  35                     $mform->addElement('select', "urls[$i]", $img.$url, $brokenfileoptions);
  36                 } else {
  37                     $mform->addElement('select', "urls[$i]", $img.$url, $fileoptions);
  38                 }
  39                 $i++;
  40             }
  41
  42         }
  43         if (count($brokenurls)){
  44             $mform->addElement('advcheckbox','ignorebroken', get_string('ignorebroken', 'question'));
  45         }
  46         //--------------------------------------------------------------------------------
  47         $this->add_action_buttons(true, get_string('movecategory', 'question'));
  48
  49     }
  50
  51     function validation($data, $files) {
  52         $errors = parent::validation($data, $files);
  53         $tocoursefilesid = $this->_customdata['tocoursefilesid'];
  54         $fromcoursefilesid = $this->_customdata['fromcoursefilesid'];
  55         if (isset($data['urls'])  && (count($data['urls']))){
  56             foreach ($data['urls'] as $key => $urlaction){
  57                 switch ($urlaction){
  58                     case QUESTION_FILEMOVE :
  59                         if (!has_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $fromcoursefilesid))){
  60                             $errors["urls[$key]"] = get_string('filecantmovefrom', 'question');
  61                         }
  62                         //no break; COPY check is also applied to MOVE action
  63                     case QUESTION_FILECOPY :
  64                         if (!has_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $tocoursefilesid))){
  65                             $errors["urls[$key]"] = get_string('filecantmoveto', 'question');
  66                         }
  67                         break;
  68                     case QUESTION_FILEMOVELINKSONLY :
  69                     case  QUESTION_FILEDONOTHING :
  70                         break;
  71                 }
  72             }
  73         }
  74         //check that there hasn't been any changes in files between time form was displayed
  75         //and now when it has been submitted.
  76         if (isset($data['urls'])  &&
  77             (count($data['urls'])
  78                 != count($this->_customdata['urls']))){
  79             $errors['urls[0]'] = get_string('errorfileschanged', 'question');
  80         }
  81         return $errors;
  82     }
  83     /*
  84      * We want these errors to show up on first loading the form which is not the default for
  85      * validation method which is not run until submission.
  86      */
  87     function definition_after_data(){
  88         $mform = $this->_form;
  89         $brokenurls   = $this->_customdata['brokenurls'];
  90         if (count($brokenurls)){
  91             $ignoreval = $mform->getElementValue('ignorebroken');
  92             if (!$ignoreval){
  93                 $urls   = $this->_customdata['urls'];
  94                 $i = 0;
  95                 foreach (array_keys($urls) as $url){
  96                     if (in_array($url, $brokenurls)){
  97                         $mform->setElementError("urls[$i]", get_string('broken', 'question'));
  98                     } else {
  99                         $mform->setElementError("urls[$i]", '');
 100                     }
 101                     $i++;
 102                 }
 103             }
 104         }
 105     }
 106 }
 107