question/contextmoveq_form.php

   1 <?php  // $Id$
   2
   3 require_once($CFG->libdir.'/formslib.php');
   4
   5 class question_context_move_question_form extends moodleform {
   6
   7     function definition() {
   8         global $CFG;
   9         $mform    =& $this->_form;
  10
  11 //--------------------------------------------------------------------------------
  12         $urls   = $this->_customdata['urls'];
  13         $fromareaname   = $this->_customdata['fromareaname'];
  14         $toareaname   = $this->_customdata['toareaname'];
  15         $fileoptions = array(QUESTION_FILEDONOTHING=>get_string('donothing', 'question'),
  16                   QUESTION_FILECOPY=>get_string('copy', 'question', $fromareaname),
  17                   QUESTION_FILEMOVE=>get_string('move', 'question', $fromareaname),
  18                   QUESTION_FILEMOVELINKSONLY=>get_string('movelinksonly', 'question', $fromareaname));
  19         $brokenfileoptions = array(QUESTION_FILEDONOTHING=>get_string('donothing', 'question'),
  20                   QUESTION_FILEMOVELINKSONLY=>get_string('movelinksonly', 'question', $fromareaname));
  21
  22         $brokenurls   = $this->_customdata['brokenurls'];
  23         if (count($urls)){
  24
  25             $mform->addElement('header','general', get_string('filestomove', 'question', $toareaname));
  26
  27             $i = 0;
  28             foreach (array_keys($urls) as $url){
  29                 $iconname = mimeinfo('icon', $url);
  30                 $icontype = mimeinfo('type', $url);
  31                 $img = "<img src=\"$CFG->pixpath/f/$iconname\"  class=\"icon\" alt=\"$icontype\" />";
  32                 if (in_array($url, $brokenurls)){
  33                     $mform->addElement('select', "urls[$i]", $img.$url, $brokenfileoptions);
  34                 } else {
  35                     $mform->addElement('select', "urls[$i]", $img.$url, $fileoptions);
  36                 }
  37                 $i++;
  38             }
  39
  40         }
  41         if (count($brokenurls)){
  42             $mform->addElement('advcheckbox','ignorebroken', get_string('ignorebroken', 'question'));
  43         }
  44 //--------------------------------------------------------------------------------
  45         $this->add_action_buttons(true, get_string('moveq', 'question'));
  46     }
  47
  48     function validation($data, $files) {
  49         $errors = parent::validation($data, $files);
  50         $tocoursefilesid = $this->_customdata['tocoursefilesid'];
  51         $fromcoursefilesid = $this->_customdata['fromcoursefilesid'];
  52         if (isset($data['urls'])  && (count($data['urls']))){
  53             foreach ($data['urls'] as $key => $urlaction){
  54                 switch ($urlaction){
  55                     case QUESTION_FILEMOVE :
  56                         if (!has_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $fromcoursefilesid))){
  57                             $errors["urls[$key]"] = get_string('filecantmovefrom', 'question');
  58                         }
  59                     case QUESTION_FILECOPY :
  60                         if (!has_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $tocoursefilesid))){
  61                             $errors["urls[$key]"] = get_string('filecantmoveto', 'question');
  62                         }
  63                         break;
  64                     case QUESTION_FILEMOVELINKSONLY :
  65                     case  QUESTION_FILEDONOTHING :
  66                         break;
  67                 }
  68             }
  69         }
  70         //check that there hasn't been any changes in files between time form was displayed
  71         //and now when it has been submitted.
  72         if (isset($data['urls'])  &&
  73             (count($data['urls'])
  74                 != count($this->_customdata['urls']))){
  75             $errors['urls[0]'] = get_string('errorfileschanged', 'question');
  76
  77         }
  78         return $errors;
  79     }
  80     /*
  81      * We want these errors to show up on first loading the form which is not the default for
  82      * validation method which is not run until submission.
  83      */
  84     function definition_after_data(){
  85         static $done = false;
  86         if (!$done){
  87             $mform = $this->_form;
  88             $brokenurls   = $this->_customdata['brokenurls'];
  89             if (count($brokenurls)){
  90                 $ignoreval = $mform->getElementValue('ignorebroken');
  91                 if (!$ignoreval){
  92                     $urls   = $this->_customdata['urls'];
  93                     $i = 0;
  94                     foreach (array_keys($urls) as $url){
  95                         if (in_array($url, $brokenurls)){
  96                             $mform->setElementError("urls[$i]", get_string('broken', 'question'));
  97                         } else {
  98                             $mform->setElementError("urls[$i]", '');
  99                         }
 100                         $i++;
 101                     }
 102                 }
 103             }
 104             $done = true;
 105         }
 106     }
 107 }
 108 ?>