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   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  ?>