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   1  <?php  // $Id: view.php,v 1.102.2.8 2008/08/15 01:49:26 danmarsden Exp $
   2  
   3      require_once("../../config.php");
   4      require_once ("lib.php");
   5  
   6      $id         = required_param('id', PARAM_INT);                 // Course Module ID
   7      $action     = optional_param('action', '', PARAM_ALPHA);
   8      $attemptids = optional_param('attemptid', array(), PARAM_INT); // array of attempt ids for delete action
   9      
  10      if (! $cm = get_coursemodule_from_id('choice', $id)) {
  11          error("Course Module ID was incorrect");
  12      }
  13  
  14      if (! $course = get_record("course", "id", $cm->course)) {
  15          error("Course is misconfigured");
  16      }
  17  
  18      require_course_login($course, false, $cm);
  19  
  20      if (!$choice = choice_get_choice($cm->instance)) {
  21          error("Course module is incorrect");
  22      }
  23      
  24      $strchoice = get_string('modulename', 'choice');
  25      $strchoices = get_string('modulenameplural', 'choice');
  26  
  27      if (!$context = get_context_instance(CONTEXT_MODULE, $cm->id)) {
  28          print_error('badcontext');
  29      }
  30  
  31      if ($action == 'delchoice') {
  32          if ($answer = get_record('choice_answers', 'choiceid', $choice->id, 'userid', $USER->id)) {
  33              //print_object($answer);
  34              delete_records('choice_answers', 'id', $answer->id);
  35          }
  36      }
  37  
  38  /// Submit any new data if there is any
  39  
  40      if ($form = data_submitted() && has_capability('mod/choice:choose', $context)) {
  41          $timenow = time();
  42          if (has_capability('mod/choice:deleteresponses', $context)) {
  43              if ($action == 'delete') { //some responses need to be deleted     
  44                  choice_delete_responses($attemptids, $choice->id); //delete responses.
  45                  redirect("view.php?id=$cm->id");
  46              }
  47          }
  48          $answer = optional_param('answer', '', PARAM_INT);
  49  
  50          if (empty($answer)) {
  51              redirect("view.php?id=$cm->id", get_string('mustchooseone', 'choice'));
  52          } else {
  53              choice_user_submit_response($answer, $choice, $USER->id, $course->id, $cm);
  54          }
  55          redirect("view.php?id=$cm->id");
  56          exit;
  57      }
  58  
  59  
  60  /// Display the choice and possibly results
  61      $navigation = build_navigation('', $cm);
  62      print_header_simple(format_string($choice->name), "", $navigation, "", "", true,
  63                    update_module_button($cm->id, $course->id, $strchoice), navmenu($course, $cm));
  64  
  65      add_to_log($course->id, "choice", "view", "view.php?id=$cm->id", $choice->id, $cm->id);
  66  
  67      /// Check to see if groups are being used in this choice
  68      $groupmode = groups_get_activity_groupmode($cm);
  69      
  70      if ($groupmode) {
  71          groups_get_activity_group($cm, true);
  72          groups_print_activity_menu($cm, 'view.php?id='.$id);
  73      }
  74      $allresponses = choice_get_response_data($choice, $cm, $groupmode);   // Big function, approx 6 SQL calls per user
  75  
  76      
  77      if (has_capability('mod/choice:readresponses', $context)) {
  78          choice_show_reportlink($allresponses, $cm);
  79      }
  80  
  81      echo '<div class="clearer"></div>';
  82  
  83      if ($choice->text) {
  84          print_box(format_text($choice->text, $choice->format), 'generalbox', 'intro');
  85      }
  86  
  87      $current = false;  // Initialise for later
  88      //if user has already made a selection, and they are not allowed to update it, show their selected answer.
  89      if (!empty($USER->id) && ($current = get_record('choice_answers', 'choiceid', $choice->id, 'userid', $USER->id)) &&
  90          empty($choice->allowupdate) ) {
  91          print_simple_box(get_string("yourselection", "choice", userdate($choice->timeopen)).": ".format_string(choice_get_option_text($choice, $current->optionid)), "center");
  92      }
  93  
  94  /// Print the form
  95      $choiceopen = true;
  96      $timenow = time();
  97      if ($choice->timeclose !=0) {
  98          if ($choice->timeopen > $timenow ) {
  99              print_simple_box(get_string("notopenyet", "choice", userdate($choice->timeopen)), "center");
 100              print_footer($course);
 101              exit;
 102          } else if ($timenow > $choice->timeclose) {
 103              print_simple_box(get_string("expired", "choice", userdate($choice->timeclose)), "center");
 104              $choiceopen = false;
 105          }
 106      }
 107  
 108      if ( (!$current or $choice->allowupdate) and $choiceopen and
 109            has_capability('mod/choice:choose', $context) ) {
 110      // They haven't made their choice yet or updates allowed and choice is open
 111  
 112          echo '<form id="form" method="post" action="view.php">';        
 113  
 114          choice_show_form($choice, $USER, $cm, $allresponses);
 115  
 116          echo '</form>';
 117  
 118          $choiceformshown = true;
 119      } else {
 120          $choiceformshown = false;
 121      }
 122  
 123  
 124  
 125      if (!$choiceformshown) {
 126  
 127          $sitecontext = get_context_instance(CONTEXT_SYSTEM);
 128  
 129          if (has_capability('moodle/legacy:guest', $sitecontext, NULL, false)) {      // Guest on whole site
 130              $wwwroot = $CFG->wwwroot.'/login/index.php';
 131              if (!empty($CFG->loginhttps)) {
 132                  $wwwroot = str_replace('http:','https:', $wwwroot);
 133              }
 134              notice_yesno(get_string('noguestchoose', 'choice').'<br /><br />'.get_string('liketologin'),
 135                           $wwwroot, $_SERVER['HTTP_REFERER']);
 136  
 137          } else if (has_capability('moodle/legacy:guest', $context, NULL, false)) {   // Guest in this course only
 138              $SESSION->wantsurl = $FULLME;
 139              $SESSION->enrolcancel = $_SERVER['HTTP_REFERER'];
 140  
 141              print_simple_box_start('center', '60%', '', 5, 'generalbox', 'notice');
 142              echo '<p align="center">'. get_string('noguestchoose', 'choice') .'</p>';
 143              echo '<div class="continuebutton">';
 144              print_single_button($CFG->wwwroot.'/course/enrol.php?id='.$course->id, NULL, 
 145                                  get_string('enrolme', '', format_string($course->shortname)), 'post', $CFG->framename);
 146              echo '</div>'."\n";
 147              print_simple_box_end();
 148  
 149          }
 150      }
 151  
 152      // print the results at the bottom of the screen
 153  
 154      if ( $choice->showresults == CHOICE_SHOWRESULTS_ALWAYS or
 155          ($choice->showresults == CHOICE_SHOWRESULTS_AFTER_ANSWER and $current ) or
 156          ($choice->showresults == CHOICE_SHOWRESULTS_AFTER_CLOSE and !$choiceopen ) )  {
 157  
 158          choice_show_results($choice, $course, $cm, $allresponses); //show table with students responses.
 159  
 160      } else if (!$choiceformshown) {
 161          print_simple_box(get_string('noresultsviewable', 'choice'), 'center');
 162      } 
 163  
 164  
 165      print_footer($course);
 166  
 167  
 168  ?>