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moodle/mod/survey/lib.php

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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* @package mod-survey
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
/**
* Graph size
* @global int $SURVEY_GHEIGHT
*/
global $SURVEY_GHEIGHT;
$SURVEY_GHEIGHT = 500;
/**
* Graph size
* @global int $SURVEY_GWIDTH
*/
global $SURVEY_GWIDTH;
$SURVEY_GWIDTH = 900;
/**
* Question Type
* @global array $SURVEY_QTYPE
*/
global $SURVEY_QTYPE;
$SURVEY_QTYPE = array (
"-3" => "Virtual Actual and Preferred",
"-2" => "Virtual Preferred",
"-1" => "Virtual Actual",
"0" => "Text",
"1" => "Actual",
"2" => "Preferred",
"3" => "Actual and Preferred",
);
define("SURVEY_COLLES_ACTUAL", "1");
define("SURVEY_COLLES_PREFERRED", "2");
define("SURVEY_COLLES_PREFERRED_ACTUAL", "3");
define("SURVEY_ATTLS", "4");
define("SURVEY_CIQ", "5");
// STANDARD FUNCTIONS ////////////////////////////////////////////////////////
/**
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will create a new instance and return the id number
* of the new instance.
*
* @global object
* @param object $survey
* @return int|bool
*/
function survey_add_instance($survey) {
global $DB;
if (!$template = $DB->get_record("survey", array("id"=>$survey->template))) {
return 0;
}
$survey->questions = $template->questions;
$survey->timecreated = time();
$survey->timemodified = $survey->timecreated;
return $DB->insert_record("survey", $survey);
}
/**
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will update an existing instance with new data.
*
* @global object
* @param object $survey
* @return bool
*/
function survey_update_instance($survey) {
global $DB;
if (!$template = $DB->get_record("survey", array("id"=>$survey->template))) {
return 0;
}
$survey->id = $survey->instance;
$survey->questions = $template->questions;
$survey->timemodified = time();
return $DB->update_record("survey", $survey);
}
/**
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
*
* @global object
* @param int $id
* @return bool
*/
function survey_delete_instance($id) {
global $DB;
if (! $survey = $DB->get_record("survey", array("id"=>$id))) {
return false;
}
$result = true;
if (! $DB->delete_records("survey_analysis", array("survey"=>$survey->id))) {
$result = false;
}
if (! $DB->delete_records("survey_answers", array("survey"=>$survey->id))) {
$result = false;
}
if (! $DB->delete_records("survey", array("id"=>$survey->id))) {
$result = false;
}
return $result;
}
/**
* @global object
* @param object $course
* @param object $user
* @param object $mod
* @param object $survey
* @return $result
*/
function survey_user_outline($course, $user, $mod, $survey) {
global $DB;
if ($answers = $DB->get_records("survey_answers", array('survey'=>$survey->id, 'userid'=>$user->id))) {
$lastanswer = array_pop($answers);
$result = new stdClass();
$result->info = get_string("done", "survey");
$result->time = $lastanswer->time;
return $result;
}
return NULL;
}
/**
* @global stdObject
* @global object
* @uses SURVEY_CIQ
* @param object $course
* @param object $user
* @param object $mod
* @param object $survey
*/
function survey_user_complete($course, $user, $mod, $survey) {
global $CFG, $DB, $OUTPUT;
if (survey_already_done($survey->id, $user->id)) {
if ($survey->template == SURVEY_CIQ) { // print out answers for critical incidents
$table = new html_table();
$table->align = array("left", "left");
$questions = $DB->get_records_list("survey_questions", "id", explode(',', $survey->questions));
$questionorder = explode(",", $survey->questions);
foreach ($questionorder as $key=>$val) {
$question = $questions[$val];
$questiontext = get_string($question->shorttext, "survey");
if ($answer = survey_get_user_answer($survey->id, $question->id, $user->id)) {
$answertext = "$answer->answer1";
} else {
$answertext = "No answer";
}
$table->data[] = array("<b>$questiontext</b>", $answertext);
}
echo html_writer::table($table);
} else {
survey_print_graph("id=$mod->id&amp;sid=$user->id&amp;type=student.png");
}
} else {
print_string("notdone", "survey");
}
}
/**
* @global stdClass
* @global object
* @param object $course
* @param mixed $viewfullnames
* @param int $timestamp
* @return bool
*/
function survey_print_recent_activity($course, $viewfullnames, $timestart) {
global $CFG, $DB, $OUTPUT;
$modinfo = get_fast_modinfo($course);
$ids = array();
foreach ($modinfo->cms as $cm) {
if ($cm->modname != 'survey') {
continue;
}
if (!$cm->uservisible) {
continue;
}
$ids[$cm->instance] = $cm->instance;
}
if (!$ids) {
return false;
}
$slist = implode(',', $ids); // there should not be hundreds of glossaries in one course, right?
$rs = $DB->get_recordset_sql("SELECT sa.userid, sa.survey, MAX(sa.time) AS time,
u.firstname, u.lastname, u.email, u.picture
FROM {survey_answers} sa
JOIN {user} u ON u.id = sa.userid
WHERE sa.survey IN ($slist) AND sa.time > ?
GROUP BY sa.userid, sa.survey, u.firstname, u.lastname, u.email, u.picture
ORDER BY time ASC", array($timestart));
if (!$rs->valid()) {
$rs->close(); // Not going to iterate (but exit), close rs
return false;
}
$surveys = array();
foreach ($rs as $survey) {
$cm = $modinfo->instances['survey'][$survey->survey];
$survey->name = $cm->name;
$survey->cmid = $cm->id;
$surveys[] = $survey;
}
$rs->close();
if (!$surveys) {
return false;
}
echo $OUTPUT->heading(get_string('newsurveyresponses', 'survey').':');
foreach ($surveys as $survey) {
$url = $CFG->wwwroot.'/mod/survey/view.php?id='.$survey->cmid;
print_recent_activity_note($survey->time, $survey, $survey->name, $url, false, $viewfullnames);
}
return true;
}
/**
* Returns the users with data in one survey
* (users with records in survey_analysis and survey_answers, students)
*
* @todo: deprecated - to be deleted in 2.2
*
* @param int $surveyid
* @return array
*/
function survey_get_participants($surveyid) {
global $DB;
//Get students from survey_analysis
$st_analysis = $DB->get_records_sql("SELECT DISTINCT u.id, u.id
FROM {user} u, {survey_analysis} a
WHERE a.survey = ? AND
u.id = a.userid", array($surveyid));
//Get students from survey_answers
$st_answers = $DB->get_records_sql("SELECT DISTINCT u.id, u.id
FROM {user} u, {survey_answers} a
WHERE a.survey = ? AND
u.id = a.userid", array($surveyid));
//Add st_answers to st_analysis
if ($st_answers) {
foreach ($st_answers as $st_answer) {
$st_analysis[$st_answer->id] = $st_answer;
}
}
//Return st_analysis array (it contains an array of unique users)
return ($st_analysis);
}
// SQL FUNCTIONS ////////////////////////////////////////////////////////
/**
* @global object
* @param sting $log
* @return array
*/
function survey_log_info($log) {
global $DB;
return $DB->get_record_sql("SELECT s.name, u.firstname, u.lastname, u.picture
FROM {survey} s, {user} u
WHERE s.id = ? AND u.id = ?", array($log->info, $log->userid));
}
/**
* @global object
* @param int $surveyid
* @param int $groupid
* @param int $groupingid
* @return array
*/
function survey_get_responses($surveyid, $groupid, $groupingid) {
global $DB;
$params = array('surveyid'=>$surveyid, 'groupid'=>$groupid, 'groupingid'=>$groupingid);
if ($groupid) {
$groupsjoin = "JOIN {groups_members} gm ON u.id = gm.userid AND gm.groupid = :groupid ";
} else if ($groupingid) {
$groupsjoin = "JOIN {groups_members} gm ON u.id = gm.userid
JOIN {groupings_groups} gg ON gm.groupid = gg.groupid AND gg.groupingid = :groupingid ";
} else {
$groupsjoin = "";
}
$userfields = user_picture::fields('u');
return $DB->get_records_sql("SELECT $userfields, MAX(a.time) as time
FROM {survey_answers} a
JOIN {user} u ON a.userid = u.id
$groupsjoin
WHERE a.survey = :surveyid
GROUP BY $userfields
ORDER BY time ASC", $params);
}
/**
* @global object
* @param int $survey
* @param int $user
* @return array
*/
function survey_get_analysis($survey, $user) {
global $DB;
return $DB->get_record_sql("SELECT notes
FROM {survey_analysis}
WHERE survey=? AND userid=?", array($survey, $user));
}
/**
* @global object
* @param int $survey
* @param int $user
* @param string $notes
*/
function survey_update_analysis($survey, $user, $notes) {
global $DB;
return $DB->execute("UPDATE {survey_analysis}
SET notes=?
WHERE survey=?
AND userid=?", array($notes, $survey, $user));
}
/**
* @global object
* @param int $surveyid
* @param int $groupid
* @param string $sort
* @return array
*/
function survey_get_user_answers($surveyid, $questionid, $groupid, $sort="sa.answer1,sa.answer2 ASC") {
global $DB;
$params = array('surveyid'=>$surveyid, 'questionid'=>$questionid);
if ($groupid) {
$groupfrom = ', {groups_members} gm';
$groupsql = 'AND gm.groupid = :groupid AND u.id = gm.userid';
$params['groupid'] = $groupid;
} else {
$groupfrom = '';
$groupsql = '';
}
$userfields = user_picture::fields('u');
return $DB->get_records_sql("SELECT sa.*, $userfields
FROM {survey_answers} sa, {user} u $groupfrom
WHERE sa.survey = :surveyid
AND sa.question = :questionid
AND u.id = sa.userid $groupsql
ORDER BY $sort", $params);
}
/**
* @global object
* @param int $surveyid
* @param int $questionid
* @param int $userid
* @return array
*/
function survey_get_user_answer($surveyid, $questionid, $userid) {
global $DB;
return $DB->get_record_sql("SELECT sa.*
FROM {survey_answers} sa
WHERE sa.survey = ?
AND sa.question = ?
AND sa.userid = ?", array($surveyid, $questionid, $userid));
}
// MODULE FUNCTIONS ////////////////////////////////////////////////////////
/**
* @global object
* @param int $survey
* @param int $user
* @param string $notes
* @return bool|int
*/
function survey_add_analysis($survey, $user, $notes) {
global $DB;
$record = new stdClass();
$record->survey = $survey;
$record->userid = $user;
$record->notes = $notes;
return $DB->insert_record("survey_analysis", $record, false);
}
/**
* @global object
* @param int $survey
* @param int $user
* @return bool
*/
function survey_already_done($survey, $user) {
global $DB;
return $DB->record_exists("survey_answers", array("survey"=>$survey, "userid"=>$user));
}
/**
* @param int $surveyid
* @param int $groupid
* @param int $groupingid
* @return int
*/
function survey_count_responses($surveyid, $groupid, $groupingid) {
if ($responses = survey_get_responses($surveyid, $groupid, $groupingid)) {
return count($responses);
} else {
return 0;
}
}
/**
* @param int $cmid
* @param array $results
* @param int $courseid
*/
function survey_print_all_responses($cmid, $results, $courseid) {
global $OUTPUT;
$table = new html_table();
$table->head = array ("", get_string("name"), get_string("time"));
$table->align = array ("", "left", "left");
$table->size = array (35, "", "" );
foreach ($results as $a) {
$table->data[] = array($OUTPUT->user_picture($a, array('courseid'=>$courseid)),
html_writer::link("report.php?action=student&student=$a->id&id=$cmid", fullname($a)),
userdate($a->time));
}
echo html_writer::table($table);
}
/**
* @global object
* @param int $templateid
* @return string
*/
function survey_get_template_name($templateid) {
global $DB;
if ($templateid) {
if ($ss = $DB->get_record("surveys", array("id"=>$templateid))) {
return $ss->name;
}
} else {
return "";
}
}
/**
* @param string $name
* @param array $numwords
* @return string
*/
function survey_shorten_name ($name, $numwords) {
$words = explode(" ", $name);
for ($i=0; $i < $numwords; $i++) {
$output .= $words[$i]." ";
}
return $output;
}
/**
* @todo Check this function
*
* @global object
* @global object
* @global int
* @global void This is never defined
* @global object This is defined twice?
* @param object $question
*/
function survey_print_multi($question) {
global $USER, $DB, $qnum, $checklist, $DB, $OUTPUT; //TODO: this is sloppy globals abuse
$stripreferthat = get_string("ipreferthat", "survey");
$strifoundthat = get_string("ifoundthat", "survey");
$strdefault = get_string('notyetanswered', 'survey');
$strresponses = get_string('responses', 'survey');
echo $OUTPUT->heading($question->text, 3, 'questiontext');
echo "\n<table width=\"90%\" cellpadding=\"4\" cellspacing=\"1\" border=\"0\" class=\"surveytable\">";
$options = explode( ",", $question->options);
$numoptions = count($options);
$oneanswer = ($question->type == 1 || $question->type == 2) ? true : false;
echo "<tr class=\"smalltext\"><th scope=\"row\">$strresponses</th>";
echo "<th scope=\"col\" class=\"hresponse\">". get_string('notyetanswered', 'survey'). "</th>";
while (list ($key, $val) = each ($options)) {
echo "<th scope=\"col\" class=\"hresponse\">$val</th>\n";
}
echo "</tr>\n";
if ($oneanswer) {
echo "<tr><th scope=\"col\" colspan=\"7\">$question->intro</th></tr>\n";
} else {
echo "<tr><th scope=\"col\" colspan=\"7\">$question->intro</th></tr>\n";
}
$subquestions = $DB->get_records_list("survey_questions", "id", explode(',', $question->multi));
foreach ($subquestions as $q) {
$qnum++;
$rowclass = survey_question_rowclass($qnum);
if ($q->text) {
$q->text = get_string($q->text, "survey");
}
$oneanswer = ($q->type == 1 || $q->type == 2) ? true : false;
if ($q->type == 2) {
$P = "P";
} else {
$P = "";
}
echo "<tr class=\"$rowclass rblock\">";
if ($oneanswer) {
echo "<th scope=\"row\" class=\"optioncell\">";
echo "<b class=\"qnumtopcell\">$qnum</b> &nbsp; ";
echo $q->text ."</th>\n";
$default = get_accesshide($strdefault);
echo "<td class=\"whitecell\"><label for=\"q$P$q->id\"><input type=\"radio\" name=\"q$P$q->id\" id=\"q$P" . $q->id . "_D\" value=\"0\" checked=\"checked\" />$default</label></td>";
for ($i=1;$i<=$numoptions;$i++) {
$hiddentext = get_accesshide($options[$i-1]);
$id = "q$P" . $q->id . "_$i";
echo "<td><label for=\"$id\"><input type=\"radio\" name=\"q$P$q->id\" id=\"$id\" value=\"$i\" />$hiddentext</label></td>";
}
$checklist["q$P$q->id"] = 0;
} else {
// yu : fix for MDL-7501, possibly need to use user flag as this is quite ugly.
echo "<th scope=\"row\" class=\"optioncell\">";
echo "<b class=\"qnumtopcell\">$qnum</b> &nbsp; ";
$qnum++;
echo "<span class=\"preferthat smalltext\">$stripreferthat</span> &nbsp; ";
echo "<span class=\"option\">$q->text</span></th>\n";
$default = get_accesshide($strdefault);
echo '<td class="whitecell"><label for="qP'. $P.$q->id .'"><input type="radio" name="qP'.$P.$q->id. '" id="qP'. $q->id .'" value="0" checked="checked" />'.$default.'</label></td>';
for ($i=1;$i<=$numoptions;$i++) {
$hiddentext = get_accesshide($options[$i-1]);
$id = "qP" . $q->id . "_$i";
echo "<td><label for=\"$id\"><input type=\"radio\" name=\"qP$q->id\" id=\"$id\" value=\"$i\" />$hiddentext</label></td>";
}
echo "</tr>";
echo "<tr class=\"$rowclass rblock\">";
echo "<th scope=\"row\" class=\"optioncell\">";
echo "<b class=\"qnumtopcell\">$qnum</b> &nbsp; ";
echo "<span class=\"foundthat smalltext\">$strifoundthat</span> &nbsp; ";
echo "<span class=\"option\">$q->text</span></th>\n";
$default = get_accesshide($strdefault);
echo '<td class="whitecell"><label for="q'. $q->id .'"><input type="radio" name="q'.$q->id. '" id="q'. $q->id .'" value="0" checked="checked" />'.$default.'</label></td>';
for ($i=1;$i<=$numoptions;$i++) {
$hiddentext = get_accesshide($options[$i-1]);
$id = "q" . $q->id . "_$i";
echo "<td><label for=\"$id\"><input type=\"radio\" name=\"q$q->id\" id=\"$id\" value=\"$i\" />$hiddentext</label></td>";
}
$checklist["qP$q->id"] = 0;
$checklist["q$q->id"] = 0;
}
echo "</tr>\n";
}
echo "</table>";
}
/**
* @global object
* @global int
* @param object $question
*/
function survey_print_single($question) {
global $DB, $qnum, $OUTPUT;
$rowclass = survey_question_rowclass(0);
$qnum++;
echo "<br />\n";
echo "<table width=\"90%\" cellpadding=\"4\" cellspacing=\"0\">\n";
echo "<tr class=\"$rowclass\">";
echo "<th scope=\"row\" class=\"optioncell\"><label for=\"q$question->id\"><b class=\"qnumtopcell\">$qnum</b> &nbsp; ";
echo "<span class=\"questioncell\">$question->text</span></label></th>\n";
echo "<td class=\"questioncell smalltext\">\n";
if ($question->type == 0) { // Plain text field
echo "<textarea rows=\"3\" cols=\"30\" name=\"q$question->id\" id=\"q$question->id\">$question->options</textarea>";
} else if ($question->type > 0) { // Choose one of a number
$strchoose = get_string("choose");
echo "<select name=\"q$question->id\" id=\"q$question->id\">";
echo "<option value=\"0\" selected=\"selected\">$strchoose...</option>";
$options = explode( ",", $question->options);
foreach ($options as $key => $val) {
$key++;
echo "<option value=\"$key\">$val</option>";
}
echo "</select>";
} else if ($question->type < 0) { // Choose several of a number
$options = explode( ",", $question->options);
echo $OUTPUT->notification("This question type not supported yet");
}
echo "</td></tr></table>";
}
/**
*
* @param int $qnum
* @return string
*/
function survey_question_rowclass($qnum) {
if ($qnum) {
return $qnum % 2 ? 'r0' : 'r1';
} else {
return 'r0';
}
}
/**
* @global object
* @global int
* @global int
* @param string $url
*/
function survey_print_graph($url) {
global $CFG, $SURVEY_GHEIGHT, $SURVEY_GWIDTH;
if (empty($CFG->gdversion)) {
echo "(".get_string("gdneed").")";
} else {
echo "<img class='resultgraph' height=\"$SURVEY_GHEIGHT\" width=\"$SURVEY_GWIDTH\"".
" src=\"$CFG->wwwroot/mod/survey/graph.php?$url\" alt=\"".get_string("surveygraph", "survey")."\" />";
}
}
/**
* @return array
*/
function survey_get_view_actions() {
return array('download','view all','view form','view graph','view report');
}
/**
* @return array
*/
function survey_get_post_actions() {
return array('submit');
}
/**
* Implementation of the function for printing the form elements that control
* whether the course reset functionality affects the survey.
*
* @param object $mform form passed by reference
*/
function survey_reset_course_form_definition(&$mform) {
$mform->addElement('header', 'surveyheader', get_string('modulenameplural', 'survey'));
$mform->addElement('checkbox', 'reset_survey_answers', get_string('deleteallanswers','survey'));
$mform->addElement('checkbox', 'reset_survey_analysis', get_string('deleteanalysis','survey'));
$mform->disabledIf('reset_survey_analysis', 'reset_survey_answers', 'checked');
}
/**
* Course reset form defaults.
* @return array
*/
function survey_reset_course_form_defaults($course) {
return array('reset_survey_answers'=>1, 'reset_survey_analysis'=>1);
}
/**
* Actual implementation of the reset course functionality, delete all the
* survey responses for course $data->courseid.
*
* @global object
* @param $data the data submitted from the reset course.
* @return array status array
*/
function survey_reset_userdata($data) {
global $DB;
$componentstr = get_string('modulenameplural', 'survey');
$status = array();
$surveyssql = "SELECT ch.id
FROM {survey} ch
WHERE ch.course=?";
$params = array($data->courseid);
if (!empty($data->reset_survey_answers)) {
$DB->delete_records_select('survey_answers', "survey IN ($surveyssql)", $params);
$DB->delete_records_select('survey_analysis', "survey IN ($surveyssql)", $params);
$status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallanswers', 'survey'), 'error'=>false);
}
if (!empty($data->reset_survey_analysis)) {
$DB->delete_records_select('survey_analysis', "survey IN ($surveyssql)", $params);
$status[] = array('component'=>$componentstr, 'item'=>get_string('deleteallanswers', 'survey'), 'error'=>false);
}
// no date shifting
return $status;
}
/**
* Returns all other caps used in module
*
* @return array
*/
function survey_get_extra_capabilities() {
return array('moodle/site:accessallgroups');
}
/**
* @uses FEATURE_GROUPS
* @uses FEATURE_GROUPINGS
* @uses FEATURE_GROUPMEMBERSONLY
* @uses FEATURE_MOD_INTRO
* @uses FEATURE_COMPLETION_TRACKS_VIEWS
* @uses FEATURE_GRADE_HAS_GRADE
* @uses FEATURE_GRADE_OUTCOMES
* @param string $feature FEATURE_xx constant for requested feature
* @return mixed True if module supports feature, false if not, null if doesn't know
*/
function survey_supports($feature) {
switch($feature) {
case FEATURE_GROUPS: return true;
case FEATURE_GROUPINGS: return true;
case FEATURE_GROUPMEMBERSONLY: return true;
case FEATURE_MOD_INTRO: return true;
case FEATURE_COMPLETION_TRACKS_VIEWS: return true;
case FEATURE_GRADE_HAS_GRADE: return false;
case FEATURE_GRADE_OUTCOMES: return false;
case FEATURE_BACKUP_MOODLE2: return true;
default: return null;
}
}
/**
* This fucntion extends the global navigation for the site.
* It is important to note that you should not rely on PAGE objects within this
* body of code as there is no guarantee that during an AJAX request they are
* available
*
* @param navigation_node $navigation The quiz node within the global navigation
* @param stdClass $course The course object returned from the DB
* @param stdClass $module The module object returned from the DB
* @param stdClass $cm The course module instance returned from the DB
*/
function survey_extend_navigation($navigation, $course, $module, $cm) {
/**
* This is currently just a stub so that it can be easily expanded upon.
* When expanding just remove this comment and the line below and then add
* you content.
*/
$navigation->nodetype = navigation_node::NODETYPE_LEAF;
}
/**
* This function extends the settings navigation block for the site.
*
* It is safe to rely on PAGE here as we will only ever be within the module
* context when this is called
*
* @param navigation_node $settings
* @param navigation_node $surveynode
*/
function survey_extend_settings_navigation($settings, $surveynode) {
global $PAGE;
if (has_capability('mod/survey:readresponses', $PAGE->cm->context)) {
$responsesnode = $surveynode->add(get_string("responsereports", "survey"));
$url = new moodle_url('/mod/survey/report.php', array('id' => $PAGE->cm->id, 'action'=>'summary'));
$responsesnode->add(get_string("summary", "survey"), $url);
$url = new moodle_url('/mod/survey/report.php', array('id' => $PAGE->cm->id, 'action'=>'scales'));
$responsesnode->add(get_string("scales", "survey"), $url);
$url = new moodle_url('/mod/survey/report.php', array('id' => $PAGE->cm->id, 'action'=>'questions'));
$responsesnode->add(get_string("question", "survey"), $url);
$url = new moodle_url('/mod/survey/report.php', array('id' => $PAGE->cm->id, 'action'=>'students'));
$responsesnode->add(get_string('participants'), $url);
if (has_capability('mod/survey:download', $PAGE->cm->context)) {
$url = new moodle_url('/mod/survey/report.php', array('id' => $PAGE->cm->id, 'action'=>'download'));
$surveynode->add(get_string('downloadresults', 'survey'), $url);
}
}
}
/**
* Return a list of page types
* @param string $pagetype current page type
* @param stdClass $parentcontext Block's parent context
* @param stdClass $currentcontext Current context of block
*/
function survey_page_type_list($pagetype, $parentcontext, $currentcontext) {
$module_pagetype = array('mod-survey-*'=>get_string('page-mod-survey-x', 'survey'));
return $module_pagetype;
}
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