moodle/mod/choice/lib.php

763 lines
30 KiB
PHP

<?php // $Id$
$COLUMN_HEIGHT = 300;
define('CHOICE_PUBLISH_ANONYMOUS', '0');
define('CHOICE_PUBLISH_NAMES', '1');
define('CHOICE_SHOWRESULTS_NOT', '0');
define('CHOICE_SHOWRESULTS_AFTER_ANSWER', '1');
define('CHOICE_SHOWRESULTS_AFTER_CLOSE', '2');
define('CHOICE_SHOWRESULTS_ALWAYS', '3');
define('CHOICE_DISPLAY_HORIZONTAL', '0');
define('CHOICE_DISPLAY_VERTICAL', '1');
$CHOICE_PUBLISH = array (CHOICE_PUBLISH_ANONYMOUS => get_string('publishanonymous', 'choice'),
CHOICE_PUBLISH_NAMES => get_string('publishnames', 'choice'));
$CHOICE_SHOWRESULTS = array (CHOICE_SHOWRESULTS_NOT => get_string('publishnot', 'choice'),
CHOICE_SHOWRESULTS_AFTER_ANSWER => get_string('publishafteranswer', 'choice'),
CHOICE_SHOWRESULTS_AFTER_CLOSE => get_string('publishafterclose', 'choice'),
CHOICE_SHOWRESULTS_ALWAYS => get_string('publishalways', 'choice'));
$CHOICE_DISPLAY = array (CHOICE_DISPLAY_HORIZONTAL => get_string('displayhorizontal', 'choice'),
CHOICE_DISPLAY_VERTICAL => get_string('displayvertical','choice'));
/// Standard functions /////////////////////////////////////////////////////////
function choice_user_outline($course, $user, $mod, $choice) {
global $DB;
if ($answer = $DB->get_record('choice_answers', array('choiceid' => $choice->id, 'userid' => $user->id))) {
$result->info = "'".format_string(choice_get_option_text($choice, $answer->optionid))."'";
$result->time = $answer->timemodified;
return $result;
}
return NULL;
}
function choice_user_complete($course, $user, $mod, $choice) {
global $DB;
if ($answer = $DB->get_record('choice_answers', array("choiceid" => $choice->id, "userid" => $user->id))) {
$result->info = "'".format_string(choice_get_option_text($choice, $answer->optionid))."'";
$result->time = $answer->timemodified;
echo get_string("answered", "choice").": $result->info. ".get_string("updated", '', userdate($result->time));
} else {
print_string("notanswered", "choice");
}
}
function choice_add_instance($choice) {
global $DB;
// 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.
$choice->timemodified = time();
if (empty($choice->timerestrict)) {
$choice->timeopen = 0;
$choice->timeclose = 0;
}
//insert answers
if ($choice->id = $DB->insert_record("choice", $choice)) {
foreach ($choice->option as $key => $value) {
$value = trim($value);
if (isset($value) && $value <> '') {
$option = new object();
$option->text = $value;
$option->choiceid = $choice->id;
if (isset($choice->limit[$key])) {
$option->maxanswers = $choice->limit[$key];
}
$option->timemodified = time();
$DB->insert_record("choice_options", $option);
}
}
}
return $choice->id;
}
function choice_update_instance($choice) {
global $DB;
// 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.
$choice->id = $choice->instance;
$choice->timemodified = time();
if (empty($choice->timerestrict)) {
$choice->timeopen = 0;
$choice->timeclose = 0;
}
//update, delete or insert answers
foreach ($choice->option as $key => $value) {
$value = trim($value);
$option = new object();
$option->text = $value;
$option->choiceid = $choice->id;
if (isset($choice->limit[$key])) {
$option->maxanswers = $choice->limit[$key];
}
$option->timemodified = time();
if (isset($choice->optionid[$key]) && !empty($choice->optionid[$key])){//existing choice record
$option->id=$choice->optionid[$key];
if (isset($value) && $value <> '') {
$DB->update_record("choice_options", $option);
} else { //empty old option - needs to be deleted.
$DB->delete_records("choice_options", array("id"=>$option->id));
}
} else {
if (isset($value) && $value <> '') {
$DB->insert_record("choice_options", $option);
}
}
}
return $DB->update_record('choice', $choice);
}
function choice_show_form($choice, $user, $cm, $allresponses) {
global $DB;
//$cdisplay is an array of the display info for a choice $cdisplay[$optionid]->text - text name of option.
// ->maxanswers -maxanswers for this option
// ->full - whether this option is full or not. 0=not full, 1=full
$cdisplay = array();
$aid = 0;
$choicefull = false;
$cdisplay = array();
if ($choice->limitanswers) { //set choicefull to true by default if limitanswers.
$choicefull = true;
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
foreach ($choice->option as $optionid => $text) {
if (isset($text)) { //make sure there are no dud entries in the db with blank text values.
$cdisplay[$aid]->optionid = $optionid;
$cdisplay[$aid]->text = $text;
$cdisplay[$aid]->maxanswers = $choice->maxanswers[$optionid];
if (isset($allresponses[$optionid])) {
$cdisplay[$aid]->countanswers = count($allresponses[$optionid]);
} else {
$cdisplay[$aid]->countanswers = 0;
}
if ($current = $DB->get_record('choice_answers', array('choiceid' => $choice->id, 'userid' => $user->id, 'optionid' => $optionid))) {
$cdisplay[$aid]->checked = ' checked="checked" ';
} else {
$cdisplay[$aid]->checked = '';
}
if ( $choice->limitanswers &&
($cdisplay[$aid]->countanswers >= $cdisplay[$aid]->maxanswers) &&
(empty($cdisplay[$aid]->checked)) ) {
$cdisplay[$aid]->disabled = ' disabled="disabled" ';
} else {
$cdisplay[$aid]->disabled = '';
if ($choice->limitanswers && ($cdisplay[$aid]->countanswers < $cdisplay[$aid]->maxanswers)) {
$choicefull = false; //set $choicefull to false - as the above condition hasn't been set.
}
}
$aid++;
}
}
switch ($choice->display) {
case CHOICE_DISPLAY_HORIZONTAL:
echo "<table cellpadding=\"20\" cellspacing=\"20\" class=\"boxaligncenter\"><tr>";
foreach ($cdisplay as $cd) {
echo "<td align=\"center\" valign=\"top\">";
echo "<input type=\"radio\" name=\"answer\" value=\"".$cd->optionid."\" alt=\"".strip_tags(format_text($cd->text))."\"". $cd->checked.$cd->disabled." />";
if (!empty($cd->disabled)) {
echo format_text($cd->text."<br /><strong>".get_string('full', 'choice')."</strong>");
} else {
echo format_text($cd->text);
}
echo "</td>";
}
echo "</tr>";
echo "</table>";
break;
case CHOICE_DISPLAY_VERTICAL:
$displayoptions->para = false;
echo "<table cellpadding=\"10\" cellspacing=\"10\" class=\"boxaligncenter\">";
foreach ($cdisplay as $cd) {
echo "<tr><td align=\"left\">";
echo "<input type=\"radio\" name=\"answer\" value=\"".$cd->optionid."\" alt=\"".strip_tags(format_text($cd->text))."\"". $cd->checked.$cd->disabled." />";
echo format_text($cd->text. ' ', FORMAT_MOODLE, $displayoptions); //display text for option.
if ($choice->limitanswers && ($choice->showresults==CHOICE_SHOWRESULTS_ALWAYS) ){ //if limit is enabled, and show results always has been selected, display info beside each choice.
echo "</td><td>";
if (!empty($cd->disabled)) {
echo get_string('full', 'choice');
} elseif(!empty($cd->checked)) {
//currently do nothing - maybe some text could be added here to signfy that the choice has been 'selected'
} elseif ($cd->maxanswers-$cd->countanswers==1) {
echo ($cd->maxanswers - $cd->countanswers);
echo " ".get_string('spaceleft', 'choice');
} else {
echo ($cd->maxanswers - $cd->countanswers);
echo " ".get_string('spacesleft', 'choice');
}
echo "</td>";
} else if ($choice->limitanswers && ($cd->countanswers >= $cd->maxanswers)) { //if limitanswers and answers exceeded, display "full" beside the choice.
echo " <strong>".get_string('full', 'choice')."</strong>";
}
echo "</td>";
echo "</tr>";
}
echo "</table>";
break;
}
//show save choice button
echo '<div class="button">';
echo "<input type=\"hidden\" name=\"id\" value=\"$cm->id\" />";
if (has_capability('mod/choice:choose', $context, $user->id, false)) { //don't show save button if the logged in user is the guest user.
if ($choicefull) {
print_string('choicefull', 'choice');
echo "</br>";
} else {
echo "<input type=\"submit\" value=\"".get_string("savemychoice","choice")."\" />";
}
if ($choice->allowupdate && $aaa = $DB->get_record('choice_answers', 'choiceid', $choice->id, 'userid', $user->id)) {
echo "<br /><a href='view.php?id=".$cm->id."&amp;action=delchoice'>".get_string("removemychoice","choice")."</a>";
}
} else {
print_string('havetologin', 'choice');
}
echo "</div>";
}
function choice_user_submit_response($formanswer, $choice, $userid, $courseid, $cm) {
global $DB;
$current = $DB->get_record('choice_answers', array('choiceid' => $choice->id, 'userid' => $userid));
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$countanswers=0;
if($choice->limitanswers) {
// Find out whether groups are being used and enabled
if (groups_get_activity_groupmode($cm) > 0) {
$currentgroup = groups_get_activity_group($cm);
} else {
$currentgroup = 0;
}
if($currentgroup) {
// If groups are being used, retrieve responses only for users in
// current group
global $CFG;
$answers = $DB->get_records_sql("
SELECT
ca.*
FROM
{choice_answers} ca
INNER JOIN {groups_members} gm ON ca.userid=gm.userid
WHERE
optionid=?
AND gm.groupid=?", array($formanswer, $currentgroup));
} else {
// Groups are not used, retrieve all answers for this option ID
$answers = $DB->get_records("choice_answers", array("optionid" => $formanswer));
}
if ($answers) {
foreach ($answers as $a) { //only return enrolled users.
if (has_capability('mod/choice:choose', $context, $a->userid, false)) {
$countanswers++;
}
}
}
$maxans = $choice->maxanswers[$formanswer];
}
if (!($choice->limitanswers && ($countanswers >= $maxans) )) {
if ($current) {
$newanswer = $current;
$newanswer->optionid = $formanswer;
$newanswer->timemodified = time();
if (! $DB->update_record("choice_answers", $newanswer)) {
print_error('cannotupdatechoice', 'choice');
}
add_to_log($courseid, "choice", "choose again", "view.php?id=$cm->id", $choice->id, $cm->id);
} else {
$newanswer = NULL;
$newanswer->choiceid = $choice->id;
$newanswer->userid = $userid;
$newanswer->optionid = $formanswer;
$newanswer->timemodified = time();
if (! $DB->insert_record("choice_answers", $newanswer)) {
print_error('cannotsavechoice', 'choice');
}
add_to_log($courseid, "choice", "choose", "view.php?id=$cm->id", $choice->id, $cm->id);
}
} else {
if (!($current->optionid==$formanswer)) { //check to see if current choice already selected - if not display error
print_error('choicefull', 'choice');
}
}
}
function choice_show_reportlink($user, $cm) {
$responsecount =0;
foreach($user as $optionid => $userlist) {
if ($optionid) {
$responsecount += count($userlist);
}
}
echo '<div class="reportlink">';
echo "<a href=\"report.php?id=$cm->id\">".get_string("viewallresponses", "choice", $responsecount)."</a>";
echo '</div>';
}
function choice_show_results($choice, $course, $cm, $allresponses, $forcepublish='') {
global $CFG, $COLUMN_HEIGHT;
print_heading(get_string("responses", "choice"));
if (empty($forcepublish)) { //alow the publish setting to be overridden
$forcepublish = $choice->publish;
}
if (!$allresponses) {
print_heading(get_string("nousersyet"));
}
$totalresponsecount = 0;
foreach ($allresponses as $optionid => $userlist) {
if ($choice->showunanswered || $optionid) {
$totalresponsecount += count($userlist);
}
}
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
$hascapfullnames = has_capability('moodle/site:viewfullnames', $context);
$viewresponses = has_capability('mod/choice:readresponses', $context);
switch ($forcepublish) {
case CHOICE_PUBLISH_NAMES:
echo '<div id="tablecontainer">';
echo '<form id="attemptsform" method="post" action="'.$_SERVER['PHP_SELF'].'" onsubmit="var menu = document.getElementById(\'menuaction\'); return (menu.options[menu.selectedIndex].value == \'delete\' ? \''.addslashes_js(get_string('deleteattemptcheck','quiz')).'\' : true);">';
echo '<div>';
echo '<input type="hidden" name="id" value="'.$cm->id.'" />';
echo '<input type="hidden" name="mode" value="overview" />';
echo "<table cellpadding=\"5\" cellspacing=\"10\" class=\"results names\">";
echo "<tr>";
$columncount = array(); // number of votes in each column
if ($choice->showunanswered) {
$columncount[0] = 0;
echo "<th class=\"col0 header\" scope=\"col\">";
print_string('notanswered', 'choice');
echo "</th>";
}
$count = 1;
foreach ($choice->option as $optionid => $optiontext) {
$columncount[$optionid] = 0; // init counters
echo "<th class=\"col$count header\" scope=\"col\">";
echo format_string($optiontext);
echo "</th>";
$count++;
}
echo "</tr><tr>";
if ($choice->showunanswered) {
echo "<td class=\"col$count data\" >";
// added empty row so that when the next iteration is empty,
// we do not get <table></table> erro from w3c validator
// MDL-7861
echo "<table class=\"choiceresponse\"><tr><td></td></tr>";
foreach ($allresponses[0] as $user) {
echo "<tr>";
echo "<td class=\"picture\">";
print_user_picture($user->id, $course->id, $user->picture);
echo "</td><td class=\"fullname\">";
echo "<a href=\"$CFG->wwwroot/user/view.php?id=$user->id&amp;course=$course->id\">";
echo fullname($user, $hascapfullnames);
echo "</a>";
echo "</td></tr>";
}
echo "</table></td>";
}
$count = 0;
foreach ($choice->option as $optionid => $optiontext) {
echo '<td class="col'.$count.' data" >';
// added empty row so that when the next iteration is empty,
// we do not get <table></table> erro from w3c validator
// MDL-7861
echo '<table class="choiceresponse"><tr><td></td></tr>';
if (isset($allresponses[$optionid])) {
foreach ($allresponses[$optionid] as $user) {
$columncount[$optionid] += 1;
echo '<tr><td class="attemptcell">';
if ($viewresponses and has_capability('mod/choice:deleteresponses',$context)) {
echo '<input type="checkbox" name="attemptid[]" value="'. $user->id. '" />';
}
echo '</td><td class="picture">';
print_user_picture($user->id, $course->id, $user->picture);
echo '</td><td class="fullname">';
echo "<a href=\"$CFG->wwwroot/user/view.php?id=$user->id&amp;course=$course->id\">";
echo fullname($user, $hascapfullnames);
echo '</a>';
echo '</td></tr>';
}
}
$count++;
echo '</table></td>';
}
echo "</tr><tr>";
$count = 0;
if ($choice->showunanswered) {
echo "<td></td>";
}
foreach ($choice->option as $optionid => $optiontext) {
echo "<td align=\"center\" class=\"count\">";
if ($choice->limitanswers) {
echo get_string("taken", "choice").":";
echo $columncount[$optionid];
echo "<br/>";
echo get_string("limit", "choice").":";
$choice_option = $DB->get_record("choice_options", array("id" => $optionid));
echo $choice_option->maxanswers;
} else {
if (isset($columncount[$optionid])) {
echo $columncount[$optionid];
}
}
echo "</td>";
$count++;
}
echo "</tr>";
/// Print "Select all" etc.
if ($viewresponses and has_capability('mod/choice:deleteresponses',$context)) {
echo '<tr><td></td><td>';
echo '<a href="javascript:select_all_in(\'DIV\',null,\'tablecontainer\');">'.get_string('selectall', 'quiz').'</a> / ';
echo '<a href="javascript:deselect_all_in(\'DIV\',null,\'tablecontainer\');">'.get_string('selectnone', 'quiz').'</a> ';
echo '&nbsp;&nbsp;';
$options = array('delete' => get_string('delete'));
echo choose_from_menu($options, 'action', '', get_string('withselected', 'quiz'), 'if(this.selectedIndex > 0) submitFormById(\'attemptsform\');', '', true);
echo '<noscript id="noscriptmenuaction" style="display: inline;">';
echo '<div>';
echo '<input type="submit" value="'.get_string('go').'" /></div></noscript>';
echo '<script type="text/javascript">'."\n<!--\n".'document.getElementById("noscriptmenuaction").style.display = "none";'."\n-->\n".'</script>';
echo '</td><td></td></tr>';
}
echo "</table>";
if ($viewresponses) {
echo "</div></form></div>";
}
break;
case CHOICE_PUBLISH_ANONYMOUS:
echo "<table cellpadding=\"5\" cellspacing=\"0\" class=\"results anonymous\">";
echo "<tr>";
$maxcolumn = 0;
if ($choice->showunanswered) {
echo "<th class=\"col0 header\" scope=\"col\">";
print_string('notanswered', 'choice');
echo "</th>";
$column[0] = 0;
foreach ($allresponses[0] as $user) {
$column[0]++;
}
$maxcolumn = $column[0];
}
$count = 1;
foreach ($choice->option as $optionid => $optiontext) {
echo "<th class=\"col$count header\" scope=\"col\">";
echo format_string($optiontext);
echo "</th>";
$column[$optionid] = 0;
if (isset($allresponses[$optionid])) {
$column[$optionid] = count($allresponses[$optionid]);
if ($column[$optionid] > $maxcolumn) {
$maxcolumn = $column[$optionid];
}
} else {
$column[$optionid] = 0;
}
}
echo "</tr><tr>";
$height = 0;
if ($choice->showunanswered) {
if ($maxcolumn) {
$height = $COLUMN_HEIGHT * ((float)$column[0] / (float)$maxcolumn);
}
echo "<td style=\"vertical-align:bottom\" align=\"center\" class=\"col0 data\">";
echo "<img src=\"column.png\" height=\"$height\" width=\"49\" alt=\"\" />";
echo "</td>";
}
$count = 1;
foreach ($choice->option as $optionid => $optiontext) {
if ($maxcolumn) {
$height = $COLUMN_HEIGHT * ((float)$column[$optionid] / (float)$maxcolumn);
}
echo "<td style=\"vertical-align:bottom\" align=\"center\" class=\"col$count data\">";
echo "<img src=\"column.png\" height=\"$height\" width=\"49\" alt=\"\" />";
echo "</td>";
$count++;
}
echo "</tr><tr>";
if ($choice->showunanswered) {
echo '<td align="center" class="col0 count">';
if (!$choice->limitanswers) {
echo $column[0];
echo '<br />('.format_float(((float)$column[0]/(float)$totalresponsecount)*100.0,1).'%)';
}
echo '</td>';
}
$count = 1;
foreach ($choice->option as $optionid => $optiontext) {
echo "<td align=\"center\" class=\"col$count count\">";
if ($choice->limitanswers) {
echo get_string("taken", "choice").":";
echo $column[$optionid].'<br />';
echo get_string("limit", "choice").":";
$choice_option = $DB->get_record("choice_options", array("id" => $optionid));
echo $choice_option->maxanswers;
} else {
echo $column[$optionid];
echo '<br />('.format_float(((float)$column[$optionid]/(float)$totalresponsecount)*100.0,1).'%)';
}
echo "</td>";
$count++;
}
echo "</tr></table>";
break;
}
}
function choice_delete_responses($attemptids, $choiceid) {
global $DB;
if(!is_array($attemptids) || empty($attemptids)) {
return false;
}
foreach($attemptids as $num => $attemptid) {
if(empty($attemptid)) {
unset($attemptids[$num]);
}
}
foreach($attemptids as $attemptid) {
if ($todelete = $DB->get_record('choice_answers', array('choiceid' => $choiceid, 'userid' => $attemptid))) {
$DB->delete_records('choice_answers', array('choiceid' => $choiceid, 'userid' => $attemptid));
}
}
return true;
}
function choice_delete_instance($id) {
global $DB;
// Given an ID of an instance of this module,
// this function will permanently delete the instance
// and any data that depends on it.
if (! $choice = $DB->get_record("choice", array("id"=>"$id"))) {
return false;
}
$result = true;
if (! $DB->delete_records("choice_answers", array("choiceid"=>"$choice->id"))) {
$result = false;
}
if (! $DB->delete_records("choice_options", array("choiceid"=>"$choice->id"))) {
$result = false;
}
if (! $DB->delete_records("choice", array("id"=>"$choice->id"))) {
$result = false;
}
return $result;
}
function choice_get_participants($choiceid) {
//Returns the users with data in one choice
//(users with records in choice_responses, students)
global $CFG;
//Get students
$students = $DB->get_records_sql("SELECT DISTINCT u.id, u.id
FROM {user} u,
{choice_answers} a
WHERE a.choiceid = ? AND
u.id = a.userid", array($choiceid));
//Return students array (it contains an array of unique users)
return ($students);
}
function choice_get_option_text($choice, $id) {
global $DB;
// Returns text string which is the answer that matches the id
if ($result = $DB->get_record("choice_options", array("id" => $id))) {
return $result->text;
} else {
return get_string("notanswered", "choice");
}
}
function choice_get_choice($choiceid) {
global $DB;
// Gets a full choice record
if ($choice = $DB->get_record("choice", array("id" => $choiceid))) {
if ($options = $DB->get_records("choice_options", array("choiceid" => $choiceid), "id")) {
foreach ($options as $option) {
$choice->option[$option->id] = $option->text;
$choice->maxanswers[$option->id] = $option->maxanswers;
}
return $choice;
}
}
return false;
}
function choice_get_view_actions() {
return array('view','view all','report');
}
function choice_get_post_actions() {
return array('choose','choose again');
}
/**
* Implementation of the function for printing the form elements that control
* whether the course reset functionality affects the choice.
* @param $mform form passed by reference
*/
function choice_reset_course_form_definition(&$mform) {
$mform->addElement('header', 'choiceheader', get_string('modulenameplural', 'choice'));
$mform->addElement('advcheckbox', 'reset_choice', get_string('removeresponses','choice'));
}
/**
* Course reset form defaults.
*/
function choice_reset_course_form_defaults($course) {
return array('reset_choice'=>1);
}
/**
* Actual implementation of the rest coures functionality, delete all the
* choice responses for course $data->courseid.
* @param $data the data submitted from the reset course.
* @return array status array
*/
function choice_reset_userdata($data) {
global $CFG, $DB;
$componentstr = get_string('modulenameplural', 'choice');
$status = array();
if (!empty($data->reset_choice)) {
$choicessql = "SELECT ch.id
FROM {choice} ch
WHERE ch.course=?";
$DB->delete_records_select('choice_answers', "choiceid IN ($choicessql)", array($data->courseid));
$status[] = array('component'=>$componentstr, 'item'=>get_string('removeresponses', 'choice'), 'error'=>false);
}
/// updating dates - shift may be negative too
if ($data->timeshift) {
shift_course_mod_dates('choice', array('timeopen', 'timeclose'), $data->timeshift, $data->courseid);
$status[] = array('component'=>$componentstr, 'item'=>get_string('datechanged'), 'error'=>false);
}
return $status;
}
function choice_get_response_data($choice, $cm, $groupmode) {
global $CFG, $USER, $DB;
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
/// Get the current group
if ($groupmode > 0) {
$currentgroup = groups_get_activity_group($cm);
} else {
$currentgroup = 0;
}
/// Initialise the returned array, which is a matrix: $allresponses[responseid][userid] = responseobject
$allresponses = array();
/// First get all the users who have access here
/// To start with we assume they are all "unanswered" then move them later
$allresponses[0] = get_users_by_capability($context, 'mod/choice:choose', 'u.id, u.picture, u.firstname, u.lastname, u.idnumber', 'u.firstname ASC', '', '', $currentgroup, '', false, true);
/// Get all the recorded responses for this choice
$rawresponses = $DB->get_records('choice_answers', array('choiceid' => $choice->id));
/// Use the responses to move users into the correct column
if ($rawresponses) {
foreach ($rawresponses as $response) {
if (isset($allresponses[0][$response->userid])) { // This person is enrolled and in correct group
$allresponses[0][$response->userid]->timemodified = $response->timemodified;
$allresponses[$response->optionid][$response->userid] = clone($allresponses[0][$response->userid]);
unset($allresponses[0][$response->userid]); // Remove from unanswered column
}
}
}
return $allresponses;
}
/**
* Returns all other caps used in module
*/
function chice_get_extra_capabilities() {
return array('moodle/site:accessallgroups');
}
/**
* @param string $feature FEATURE_xx constant for requested feature
* @return mixed True if module supports feature, null if doesn't know
*/
function choice_supports($feature) {
switch($feature) {
case FEATURE_COMPLETION_TRACKS_VIEWS: return true;
default: return null;
}
}
?>