mod/survey/view.php

   1 <?php
   2 // This file is part of Moodle - http://moodle.org/
   3 //
   4 // Moodle is free software: you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License as published by
   6 // the Free Software Foundation, either version 3 of the License, or
   7 // (at your option) any later version.
   8 //
   9 // Moodle is distributed in the hope that it will be useful,
  10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 // GNU General Public License for more details.
  13 //
  14 // You should have received a copy of the GNU General Public License
  15 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16
  17 /**
  18  * This file is responsible for displaying the survey
  19  *
  20  * @package   mod_survey
  21  * @copyright 1999 onwards Martin Dougiamas  {@link http://moodle.com}
  22  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  23  */
  24
  25 require_once("../../config.php");
  26 require_once("lib.php");
  27
  28 $id = required_param('id', PARAM_INT);    // Course Module ID.
  29
  30 if (! $cm = get_coursemodule_from_id('survey', $id)) {
  31     throw new \moodle_exception('invalidcoursemodule');
  32 }
  33
  34 $cm = cm_info::create($cm);
  35
  36 if (! $course = $DB->get_record("course", array("id" => $cm->course))) {
  37     throw new \moodle_exception('coursemisconf');
  38 }
  39
  40 $PAGE->set_url('/mod/survey/view.php', array('id' => $id));
  41 require_login($course, false, $cm);
  42 $context = context_module::instance($cm->id);
  43
  44 require_capability('mod/survey:participate', $context);
  45
  46 if (! $survey = $DB->get_record("survey", array("id" => $cm->instance))) {
  47     throw new \moodle_exception('invalidsurveyid', 'survey');
  48 }
  49
  50 if (! $template = $DB->get_record("survey", array("id" => $survey->template))) {
  51     throw new \moodle_exception('invalidtmptid', 'survey');
  52 }
  53
  54 $showscales = ($template->name != 'ciqname');
  55
  56 // Check the survey hasn't already been filled out.
  57 $surveyalreadydone = survey_already_done($survey->id, $USER->id);
  58 if ($surveyalreadydone) {
  59     // Trigger course_module_viewed event and completion.
  60     survey_view($survey, $course, $cm, $context, 'graph');
  61 } else {
  62     survey_view($survey, $course, $cm, $context, 'form');
  63 }
  64
  65 $strsurvey = get_string("modulename", "survey");
  66 $PAGE->set_title($survey->name);
  67 $PAGE->set_heading($course->fullname);
  68 // No need to show the description if the survey is done and a graph page is to be shown.
  69 if ($surveyalreadydone && $showscales) {
  70     $PAGE->activityheader->set_description('');
  71 } else {
  72     // If the survey has empty description, display the default one.
  73     $trimmedintro = trim($survey->intro);
  74     if (empty($trimmedintro)) {
  75         $tempo = $DB->get_field("survey", "intro", array("id" => $survey->template));
  76         $PAGE->activityheader->set_description(get_string($tempo, "survey"));
  77     }
  78 }
  79 $PAGE->add_body_class('limitedwidth');
  80
  81 echo $OUTPUT->header();
  82
  83 // Check to see if groups are being used in this survey.
  84 if ($groupmode = groups_get_activity_groupmode($cm)) {   // Groups are being used.
  85     $currentgroup = groups_get_activity_group($cm);
  86 } else {
  87     $currentgroup = 0;
  88 }
  89 $groupingid = $cm->groupingid;
  90
  91 if (has_capability('mod/survey:readresponses', $context) or ($groupmode == VISIBLEGROUPS)) {
  92     $currentgroup = 0;
  93 }
  94
  95 if (!$cm->visible) {
  96     notice(get_string("activityiscurrentlyhidden"));
  97 }
  98
  99 if (!is_enrolled($context)) {
 100     echo $OUTPUT->notification(get_string("guestsnotallowed", "survey"));
 101 }
 102
 103 if ($surveyalreadydone) {
 104     $numusers = survey_count_responses($survey->id, $currentgroup, $groupingid);
 105     if ($showscales) {
 106         // Ensure that graph.php will allow the user to see the graph.
 107         if (has_capability('mod/survey:readresponses', $context) || !$groupmode || groups_is_member($currentgroup)) {
 108
 109             echo $OUTPUT->box(get_string("surveycompleted", "survey"));
 110             echo $OUTPUT->box(get_string("peoplecompleted", "survey", $numusers));
 111
 112             echo '<div class="resultgraph">';
 113             survey_print_graph("id=$cm->id&amp;sid=$USER->id&amp;group=$currentgroup&amp;type=student.png");
 114             echo '</div>';
 115         } else {
 116             echo $OUTPUT->box(get_string("surveycompletednograph", "survey"));
 117             echo $OUTPUT->box(get_string("peoplecompleted", "survey", $numusers));
 118         }
 119
 120     } else {
 121
 122         echo $OUTPUT->spacer(array('height' => 30, 'width' => 1), true);  // Should be done with CSS instead.
 123
 124         $questions = survey_get_questions($survey);
 125         foreach ($questions as $question) {
 126
 127             if ($question->type == 0 or $question->type == 1) {
 128                 if ($answer = survey_get_user_answer($survey->id, $question->id, $USER->id)) {
 129                     $table = new html_table();
 130                     $table->head = array(get_string($question->text, "survey"));
 131                     $table->align = array ("left");
 132                     $table->data[] = array(s($answer->answer1));// No html here, just plain text.
 133                     echo html_writer::table($table);
 134                     echo $OUTPUT->spacer(array('height' => 30, 'width' => 1), true);
 135                 }
 136             }
 137         }
 138     }
 139
 140     echo $OUTPUT->footer();
 141     exit;
 142 }
 143
 144 echo "<form method=\"post\" action=\"save.php\" id=\"surveyform\">";
 145 echo '<div>';
 146 echo "<input type=\"hidden\" name=\"id\" value=\"$id\" />";
 147 echo "<input type=\"hidden\" name=\"sesskey\" value=\"".sesskey()."\" />";
 148
 149 echo '<div>'. get_string('allquestionrequireanswer', 'survey'). '</div>';
 150
 151 // Get all the major questions in order.
 152 $questions = survey_get_questions($survey);
 153
 154 global $qnum;  // TODO: ugly globals hack for survey_print_*().
 155 $qnum = 0;
 156 foreach ($questions as $question) {
 157
 158     if ($question->type >= 0) {
 159
 160         $question = survey_translate_question($question);
 161
 162         if ($question->multi) {
 163             survey_print_multi($question);
 164         } else {
 165             survey_print_single($question);
 166         }
 167     }
 168 }
 169
 170 if (!is_enrolled($context)) {
 171     echo '</div>';
 172     echo "</form>";
 173     echo $OUTPUT->footer();
 174     exit;
 175 }
 176
 177 $PAGE->requires->js_call_amd('mod_survey/validation', 'ensureRadiosChosen', array('surveyform'));
 178
 179 echo '<br />';
 180 echo '<input type="submit" class="btn btn-primary" value="'. get_string("submit"). '" />';
 181 echo '</div>';
 182 echo "</form>";
 183
 184 echo $OUTPUT->footer();