mod/survey/view.php

   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->id, false, $cm);
  41     $context = get_context_instance(CONTEXT_MODULE, $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     $PAGE->set_title(format_string($survey->name));
  67     $PAGE->set_heading($course->fullname);
  68     echo $OUTPUT->header();
  69
  70 /// Check to see if groups are being used in this survey
  71     if ($groupmode = groups_get_activity_groupmode($cm)) {   // Groups are being used
  72         $currentgroup = groups_get_activity_group($cm);
  73     } else {
  74         $currentgroup = 0;
  75     }
  76     $groupingid = $cm->groupingid;
  77
  78     if (has_capability('mod/survey:readresponses', $context) or ($groupmode == VISIBLEGROUPS)) {
  79         $currentgroup = 0;
  80     }
  81
  82     if (has_capability('mod/survey:readresponses', $context)) {
  83         $numusers = survey_count_responses($survey->id, $currentgroup, $groupingid);
  84         echo "<div class=\"reportlink\"><a href=\"report.php?id=$cm->id\">".
  85               get_string("viewsurveyresponses", "survey", $numusers)."</a></div>";
  86     } else if (!$cm->visible) {
  87         notice(get_string("activityiscurrentlyhidden"));
  88     }
  89
  90     if (!is_enrolled($context)) {
  91         echo $OUTPUT->notification(get_string("guestsnotallowed", "survey"));
  92     }
  93
  94
  95 //  Check the survey hasn't already been filled out.
  96
  97     if (survey_already_done($survey->id, $USER->id)) {
  98
  99         add_to_log($course->id, "survey", "view graph", "view.php?id=$cm->id", $survey->id, $cm->id);
 100         $numusers = survey_count_responses($survey->id, $currentgroup, $groupingid);
 101
 102         if ($showscales) {
 103             echo $OUTPUT->heading(get_string("surveycompleted", "survey"));
 104             echo $OUTPUT->heading(get_string("peoplecompleted", "survey", $numusers));
 105             echo '<div class="resultgraph">';
 106             survey_print_graph("id=$cm->id&amp;sid=$USER->id&amp;group=$currentgroup&amp;type=student.png");
 107             echo '</div>';
 108
 109         } else {
 110
 111             echo $OUTPUT->box(format_module_intro('survey', $survey, $cm->id), 'generalbox', 'intro');
 112             echo $OUTPUT->spacer(array('height'=>30, 'width'=>1, 'br'=>true)); // should be done with CSS instead
 113
 114             $questions = $DB->get_records_list("survey_questions", "id", explode(',', $survey->questions));
 115             $questionorder = explode(",", $survey->questions);
 116             foreach ($questionorder as $key => $val) {
 117                 $question = $questions[$val];
 118                 if ($question->type == 0 or $question->type == 1) {
 119                     if ($answer = survey_get_user_answer($survey->id, $question->id, $USER->id)) {
 120                         $table = new html_table();
 121                         $table->head = array(get_string($question->text, "survey"));
 122                         $table->align = array ("left");
 123                         $table->data[] = array(s($answer->answer1));//no html here, just plain text
 124                         echo html_writer::table($table);
 125                         echo $OUTPUT->spacer(clone($spacer)) . '<br />';
 126                     }
 127                 }
 128             }
 129         }
 130
 131         echo $OUTPUT->footer();
 132         exit;
 133     }
 134
 135 //  Start the survey form
 136     add_to_log($course->id, "survey", "view form", "view.php?id=$cm->id", $survey->id, $cm->id);
 137
 138     echo "<form method=\"post\" action=\"save.php\" id=\"surveyform\">";
 139     echo '<div>';
 140     echo "<input type=\"hidden\" name=\"id\" value=\"$id\" />";
 141     echo "<input type=\"hidden\" name=\"sesskey\" value=\"".sesskey()."\" />";
 142
 143     echo $OUTPUT->box(format_module_intro('survey', $survey, $cm->id), 'generalbox boxaligncenter bowidthnormal', 'intro');
 144     echo '<div>'. get_string('allquestionrequireanswer', 'survey'). '</div>';
 145
 146 // Get all the major questions and their proper order
 147     if (! $questions = $DB->get_records_list("survey_questions", "id", explode(',', $survey->questions))) {
 148         print_error('cannotfindquestion', 'survey');
 149     }
 150     $questionorder = explode( ",", $survey->questions);
 151
 152 // Cycle through all the questions in order and print them
 153
 154     global $qnum;  //TODO: ugly globals hack for survey_print_*()
 155     global $checklist; //TODO: ugly globals hack for survey_print_*()
 156     $qnum = 0;
 157     $checklist = array();
 158     foreach ($questionorder as $key => $val) {
 159         $question = $questions["$val"];
 160         $question->id = $val;
 161
 162         if ($question->type >= 0) {
 163
 164             if ($question->text) {
 165                 $question->text = get_string($question->text, "survey");
 166             }
 167
 168             if ($question->shorttext) {
 169                 $question->shorttext = get_string($question->shorttext, "survey");
 170             }
 171
 172             if ($question->intro) {
 173                 $question->intro = get_string($question->intro, "survey");
 174             }
 175
 176             if ($question->options) {
 177                 $question->options = get_string($question->options, "survey");
 178             }
 179
 180             if ($question->multi) {
 181                 survey_print_multi($question);
 182             } else {
 183                 survey_print_single($question);
 184             }
 185         }
 186     }
 187
 188     if (!is_enrolled($context)) {
 189         echo '</div>';
 190         echo "</form>";
 191         echo $OUTPUT->footer();
 192         exit;
 193     }
 194
 195     $checkarray = Array('questions'=>Array());
 196     if (!empty($checklist)) {
 197        foreach ($checklist as $question => $default) {
 198            $checkarray['questions'][] = Array('question'=>$question, 'default'=>$default);
 199        }
 200     }
 201     $PAGE->requires->js('/mod/survey/survey.js');
 202     $PAGE->requires->data_for_js('surveycheck', $checkarray);
 203     $PAGE->requires->string_for_js('questionsnotanswered', 'survey');
 204     $PAGE->requires->js_function_call('survey_attach_onsubmit');
 205
 206     echo '<br />';
 207     echo '<input type="submit" value="'.get_string("clicktocontinue", "survey").'" />';
 208     echo '</div>';
 209     echo "</form>";
 210
 211     echo $OUTPUT->footer();
 212
 213