question/contextmove_form.php

   1 <?php  // $Id$
   2
   3 require_once($CFG->libdir.'/formslib.php');
   4
   5 class question_context_move_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         $brokenurls   = $this->_customdata['brokenurls'];
  22         if (count($urls)){
  23
  24             $mform->addElement('header','general', get_string('filestomove', 'question', $toareaname));
  25
  26             $i = 0;
  27             foreach (array_keys($urls) as $url){
  28                 $iconname = mimeinfo('icon', $url);
  29                 $icontype = mimeinfo('type', $url);
  30                 $img = "<img src=\"$CFG->pixpath/f/$iconname\"  class=\"icon\" alt=\"$icontype\" />";
  31                 if (in_array($url, $brokenurls)){
  32                     $mform->addElement('select', "urls[$i]", $img.$url, $brokenfileoptions);
  33                 } else {
  34                     $mform->addElement('select', "urls[$i]", $img.$url, $fileoptions);
  35                 }
  36                 $i++;
  37             }
  38
  39         }
  40         if (count($brokenurls)){
  41             $mform->addElement('advcheckbox','ignorebroken', get_string('ignorebroken', 'question'));
  42         }
  43         //--------------------------------------------------------------------------------
  44         $this->add_action_buttons(true, get_string('movecategory', 'question'));
  45
  46     }
  47
  48     function validation($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                         //no break; COPY check is also applied to MOVE action
  60                     case QUESTION_FILECOPY :
  61                         if (!has_capability('moodle/course:managefiles', get_context_instance(CONTEXT_COURSE, $tocoursefilesid))){
  62                             $errors["urls[$key]"] = get_string('filecantmoveto', 'question');
  63                         }
  64                         break;
  65                     case QUESTION_FILEMOVELINKSONLY :
  66                     case  QUESTION_FILEDONOTHING :
  67                         break;
  68                 }
  69             }
  70         }
  71         //check that there hasn't been any changes in files between time form was displayed
  72         //and now when it has been submitted.
  73         if (isset($data['urls'])  &&
  74             (count($data['urls'])
  75                 != count($this->_customdata['urls']))){
  76             $errors['urls[0]'] = get_string('errorfileschanged', 'question');
  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         $mform = $this->_form;
  86         $brokenurls   = $this->_customdata['brokenurls'];
  87         if (count($brokenurls)){
  88             $ignoreval = $mform->getElementValue('ignorebroken');
  89             if (!$ignoreval){
  90                 $urls   = $this->_customdata['urls'];
  91                 $i = 0;
  92                 foreach (array_keys($urls) as $url){
  93                     if (in_array($url, $brokenurls)){
  94                         $mform->setElementError("urls[$i]", get_string('broken', 'question'));
  95                     } else {
  96                         $mform->setElementError("urls[$i]", '');
  97                     }
  98                     $i++;
  99                 }
 100             }
 101         }
 102     }
 103 }
 104 ?>