mod/choice/view.php

   1 <?php  // $Id$
   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 ?>