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   1  <?php
   2  
   3  // This file is part of Moodle - http://moodle.org/
   4  //
   5  // Moodle is free software: you can redistribute it and/or modify
   6  // it under the terms of the GNU General Public License as published by
   7  // the Free Software Foundation, either version 3 of the License, or
   8  // (at your option) any later version.
   9  //
  10  // Moodle is distributed in the hope that it will be useful,
  11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  // GNU General Public License for more details.
  14  //
  15  // You should have received a copy of the GNU General Public License
  16  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  17  
  18  /**
  19   * This file is responsible for displaying the survey
  20   *
  21   * @package   mod_survey
  22   * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
  23   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  24   */
  25  
  26      require_once("../../config.php");
  27      require_once ("lib.php");
  28  
  29      $id = required_param('id', PARAM_INT);    // Course Module ID
  30  
  31      if (! $cm = get_coursemodule_from_id('survey', $id)) {
  32          print_error('invalidcoursemodule');
  33      }
  34  
  35      if (! $course = $DB->get_record("course", array("id"=>$cm->course))) {
  36          print_error('coursemisconf');
  37      }
  38  
  39      $PAGE->set_url('/mod/survey/view.php', array('id'=>$id));
  40      require_login($course, false, $cm);
  41      $context = context_module::instance($cm->id);
  42  
  43      require_capability('mod/survey:participate', $context);
  44  
  45      if (! $survey = $DB->get_record("survey", array("id"=>$cm->instance))) {
  46          print_error('invalidsurveyid', 'survey');
  47      }
  48      $trimmedintro = trim($survey->intro);
  49      if (empty($trimmedintro)) {
  50          $tempo = $DB->get_field("survey", "intro", array("id"=>$survey->template));
  51          $survey->intro = get_string($tempo, "survey");
  52      }
  53  
  54      if (! $template = $DB->get_record("survey", array("id"=>$survey->template))) {
  55          print_error('invalidtmptid', 'survey');
  56      }
  57  
  58  // Update 'viewed' state if required by completion system
  59  require_once($CFG->libdir . '/completionlib.php');
  60  $completion = new completion_info($course);
  61  $completion->set_module_viewed($cm);
  62  
  63      $showscales = ($template->name != 'ciqname');
  64  
  65      $strsurvey = get_string("modulename", "survey");
  66      $PAGE->set_title($survey->name);
  67      $PAGE->set_heading($course->fullname);
  68      echo $OUTPUT->header();
  69      echo $OUTPUT->heading($survey->name);
  70  
  71  /// Check to see if groups are being used in this survey
  72      if ($groupmode = groups_get_activity_groupmode($cm)) {   // Groups are being used
  73          $currentgroup = groups_get_activity_group($cm);
  74      } else {
  75          $currentgroup = 0;
  76      }
  77      $groupingid = $cm->groupingid;
  78  
  79      if (has_capability('mod/survey:readresponses', $context) or ($groupmode == VISIBLEGROUPS)) {
  80          $currentgroup = 0;
  81      }
  82  
  83      if (has_capability('mod/survey:readresponses', $context)) {
  84          $numusers = survey_count_responses($survey->id, $currentgroup, $groupingid);
  85          echo "<div class=\"reportlink\"><a href=\"report.php?id=$cm->id\">".
  86                get_string("viewsurveyresponses", "survey", $numusers)."</a></div>";
  87      } else if (!$cm->visible) {
  88          notice(get_string("activityiscurrentlyhidden"));
  89      }
  90  
  91      if (!is_enrolled($context)) {
  92          echo $OUTPUT->notification(get_string("guestsnotallowed", "survey"));
  93      }
  94  
  95  
  96  //  Check the survey hasn't already been filled out.
  97  
  98      if (survey_already_done($survey->id, $USER->id)) {
  99          $params = array(
 100              'objectid' => $survey->id,
 101              'context' => $context,
 102              'courseid' => $course->id,
 103              'other' => array('viewed' => 'graph')
 104          );
 105          $event = \mod_survey\event\course_module_viewed::create($params);
 106          $event->trigger();
 107          $numusers = survey_count_responses($survey->id, $currentgroup, $groupingid);
 108  
 109          if ($showscales) {
 110              echo $OUTPUT->box(get_string("surveycompleted", "survey"));
 111              echo $OUTPUT->box(get_string("peoplecompleted", "survey", $numusers));
 112              echo '<div class="resultgraph">';
 113              survey_print_graph("id=$cm->id&amp;sid=$USER->id&amp;group=$currentgroup&amp;type=student.png");
 114              echo '</div>';
 115  
 116          } else {
 117  
 118              echo $OUTPUT->box(format_module_intro('survey', $survey, $cm->id), 'generalbox', 'intro');
 119              echo $OUTPUT->spacer(array('height'=>30, 'width'=>1), true);  // should be done with CSS instead
 120  
 121              $questions = $DB->get_records_list("survey_questions", "id", explode(',', $survey->questions));
 122              $questionorder = explode(",", $survey->questions);
 123              foreach ($questionorder as $key => $val) {
 124                  $question = $questions[$val];
 125                  if ($question->type == 0 or $question->type == 1) {
 126                      if ($answer = survey_get_user_answer($survey->id, $question->id, $USER->id)) {
 127                          $table = new html_table();
 128                          $table->head = array(get_string($question->text, "survey"));
 129                          $table->align = array ("left");
 130                          $table->data[] = array(s($answer->answer1));//no html here, just plain text
 131                          echo html_writer::table($table);
 132                          echo $OUTPUT->spacer(array('height'=>30, 'width'=>1), true);
 133                      }
 134                  }
 135              }
 136          }
 137  
 138          echo $OUTPUT->footer();
 139          exit;
 140      }
 141  
 142  //  Start the survey form
 143      $params = array(
 144          'objectid' => $survey->id,
 145          'context' => $context,
 146          'courseid' => $course->id,
 147          'other' => array('viewed' => 'form')
 148      );
 149      $event = \mod_survey\event\course_module_viewed::create($params);
 150      $event->trigger();
 151  
 152      echo "<form method=\"post\" action=\"save.php\" id=\"surveyform\">";
 153      echo '<div>';
 154      echo "<input type=\"hidden\" name=\"id\" value=\"$id\" />";
 155      echo "<input type=\"hidden\" name=\"sesskey\" value=\"".sesskey()."\" />";
 156  
 157      echo $OUTPUT->box(format_module_intro('survey', $survey, $cm->id), 'generalbox boxaligncenter bowidthnormal', 'intro');
 158      echo '<div>'. get_string('allquestionrequireanswer', 'survey'). '</div>';
 159  
 160  // Get all the major questions and their proper order
 161      if (! $questions = $DB->get_records_list("survey_questions", "id", explode(',', $survey->questions))) {
 162          print_error('cannotfindquestion', 'survey');
 163      }
 164      $questionorder = explode( ",", $survey->questions);
 165  
 166  // Cycle through all the questions in order and print them
 167  
 168      global $qnum;  //TODO: ugly globals hack for survey_print_*()
 169      global $checklist; //TODO: ugly globals hack for survey_print_*()
 170      $qnum = 0;
 171      $checklist = array();
 172      foreach ($questionorder as $key => $val) {
 173          $question = $questions["$val"];
 174          $question->id = $val;
 175  
 176          if ($question->type >= 0) {
 177  
 178              if ($question->text) {
 179                  $question->text = get_string($question->text, "survey");
 180              }
 181  
 182              if ($question->shorttext) {
 183                  $question->shorttext = get_string($question->shorttext, "survey");
 184              }
 185  
 186              if ($question->intro) {
 187                  $question->intro = get_string($question->intro, "survey");
 188              }
 189  
 190              if ($question->options) {
 191                  $question->options = get_string($question->options, "survey");
 192              }
 193  
 194              if ($question->multi) {
 195                  survey_print_multi($question);
 196              } else {
 197                  survey_print_single($question);
 198              }
 199          }
 200      }
 201  
 202      if (!is_enrolled($context)) {
 203          echo '</div>';
 204          echo "</form>";
 205          echo $OUTPUT->footer();
 206          exit;
 207      }
 208  
 209      $checkarray = Array('questions'=>Array());
 210      if (!empty($checklist)) {
 211         foreach ($checklist as $question => $default) {
 212             $checkarray['questions'][] = Array('question'=>$question, 'default'=>$default);
 213         }
 214      }
 215      $PAGE->requires->data_for_js('surveycheck', $checkarray);
 216      $module = array(
 217          'name'      => 'mod_survey',
 218          'fullpath'  => '/mod/survey/survey.js',
 219          'requires'  => array('yui2-event'),
 220      );
 221      $PAGE->requires->string_for_js('questionsnotanswered', 'survey');
 222      $PAGE->requires->js_init_call('M.mod_survey.init', $checkarray, true, $module);
 223  
 224      echo '<br />';
 225      echo '<input type="submit" value="'.get_string("clicktocontinue", "survey").'" />';
 226      echo '</div>';
 227      echo "</form>";
 228  
 229      echo $OUTPUT->footer();
 230  
 231