.
/**
* File in which the grader_report class is defined.
* @package gradebook
*/
require_once($CFG->dirroot . '/grade/report/lib.php');
require_once($CFG->libdir.'/tablelib.php');
/**
* Class providing an API for the grader report building and displaying.
* @uses grade_report
* @package gradebook
*/
class grade_report_grader extends grade_report {
/**
* The final grades.
* @var array $grades
*/
var $grades;
/**
* Array of errors for bulk grades updating.
* @var array $gradeserror
*/
var $gradeserror = array();
//// SQL-RELATED
/**
* The id of the grade_item by which this report will be sorted.
* @var int $sortitemid
*/
var $sortitemid;
/**
* Sortorder used in the SQL selections.
* @var int $sortorder
*/
var $sortorder;
/**
* An SQL fragment affecting the search for users.
* @var string $userselect
*/
var $userselect;
/**
* List of collapsed categories from user preference
* @var array $collapsed
*/
var $collapsed;
/**
* A count of the rows, used for css classes.
* @var int $rowcount
*/
var $rowcount = 0;
/**
* Capability check caching
* */
var $canviewhidden;
var $preferences_page=false;
/**
* Constructor. Sets local copies of user preferences and initialises grade_tree.
* @param int $courseid
* @param object $gpr grade plugin return tracking object
* @param string $context
* @param int $page The current page being viewed (when report is paged)
* @param int $sortitemid The id of the grade_item by which to sort the table
*/
function grade_report_grader($courseid, $gpr, $context, $page=null, $sortitemid=null) {
global $CFG;
parent::grade_report($courseid, $gpr, $context, $page);
$this->canviewhidden = has_capability('moodle/grade:viewhidden', get_context_instance(CONTEXT_COURSE, $this->course->id));
// load collapsed settings for this report
if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories')) {
$this->collapsed = unserialize($collapsed);
} else {
$this->collapsed = array('aggregatesonly' => array(), 'gradesonly' => array());
}
if (empty($CFG->enableoutcomes)) {
$nooutcomes = false;
} else {
$nooutcomes = get_user_preferences('grade_report_shownooutcomes');
}
// if user report preference set or site report setting set use it, otherwise use course or site setting
$switch = $this->get_pref('aggregationposition');
if ($switch == '') {
$switch = grade_get_setting($this->courseid, 'aggregationposition', $CFG->grade_aggregationposition);
}
// Grab the grade_tree for this course
$this->gtree = new grade_tree($this->courseid, true, $switch, $this->collapsed, $nooutcomes);
$this->sortitemid = $sortitemid;
// base url for sorting by first/last name
$studentsperpage = $this->get_pref('studentsperpage');
$perpage = '';
$curpage = '';
if (!empty($studentsperpage)) {
$perpage = '&perpage='.$studentsperpage;
$curpage = '&page='.$this->page;
}
$this->baseurl = 'index.php?id='.$this->courseid. $perpage.$curpage.'&';
$this->pbarurl = 'index.php?id='.$this->courseid.$perpage.'&';
$this->setup_groups();
$this->setup_sortitemid();
}
/**
* Processes the data sent by the form (grades and feedbacks).
* Caller is reposible for all access control checks
* @param array $data form submission (with magic quotes)
* @return array empty array if success, array of warnings if something fails.
*/
function process_data($data) {
$warnings = array();
$separategroups = false;
$mygroups = array();
if ($this->groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $this->context)) {
$separategroups = true;
$mygroups = groups_get_user_groups($this->course->id);
$mygroups = $mygroups[0]; // ignore groupings
// reorder the groups fro better perf bellow
$current = array_search($this->currentgroup, $mygroups);
if ($current !== false) {
unset($mygroups[$current]);
array_unshift($mygroups, $this->currentgroup);
}
}
// always initialize all arrays
$queue = array();
foreach ($data as $varname => $postedvalue) {
$needsupdate = false;
// skip, not a grade nor feedback
if (strpos($varname, 'grade') === 0) {
$data_type = 'grade';
} else if (strpos($varname, 'feedback') === 0) {
$data_type = 'feedback';
} else {
continue;
}
$gradeinfo = explode("_", $varname);
$userid = clean_param($gradeinfo[1], PARAM_INT);
$itemid = clean_param($gradeinfo[2], PARAM_INT);
$oldvalue = $data->{'old'.$varname};
// was change requested?
if ($oldvalue == $postedvalue) { // string comparison
continue;
}
if (!$grade_item = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$this->courseid))) { // we must verify course id here!
error('Incorrect grade item id');
}
// Pre-process grade
if ($data_type == 'grade') {
$feedback = false;
$feedbackformat = false;
if ($grade_item->gradetype == GRADE_TYPE_SCALE) {
if ($postedvalue == -1) { // -1 means no grade
$finalgrade = null;
} else {
$finalgrade = $postedvalue;
}
} else {
$finalgrade = unformat_float($postedvalue);
}
$errorstr = '';
// Warn if the grade is out of bounds.
if (is_null($finalgrade)) {
// ok
} else {
$bounded = $grade_item->bounded_grade($finalgrade);
if ($bounded > $finalgrade) {
$errorstr = 'lessthanmin';
} else if ($bounded < $finalgrade) {
$errorstr = 'morethanmax';
}
}
if ($errorstr) {
$user = get_record('user', 'id', $userid, '', '', '', '', 'id, firstname, lastname');
$gradestr = new object();
$gradestr->username = fullname($user);
$gradestr->itemname = $grade_item->get_name();
$warnings[] = get_string($errorstr, 'grades', $gradestr);
}
} else if ($data_type == 'feedback') {
$finalgrade = false;
$trimmed = trim($postedvalue);
if (empty($trimmed)) {
$feedback = NULL;
} else {
$feedback = stripslashes($postedvalue);
}
}
// group access control
if ($separategroups) {
// note: we can not use $this->currentgroup because it would fail badly
// when having two browser windows each with different group
$sharinggroup = false;
foreach($mygroups as $groupid) {
if (groups_is_member($groupid, $userid)) {
$sharinggroup = true;
break;
}
}
if (!$sharinggroup) {
// either group membership changed or somebedy is hacking grades of other group
$warnings[] = get_string('errorsavegrade', 'grades');
continue;
}
}
$grade_item->update_final_grade($userid, $finalgrade, 'gradebook', $feedback, FORMAT_MOODLE);
}
return $warnings;
}
/**
* Setting the sort order, this depends on last state
* all this should be in the new table class that we might need to use
* for displaying grades.
*/
function setup_sortitemid() {
global $SESSION;
if ($this->sortitemid) {
if (!isset($SESSION->gradeuserreport->sort)) {
if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
$this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
} else {
$this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
}
} else {
// this is the first sort, i.e. by last name
if (!isset($SESSION->gradeuserreport->sortitemid)) {
if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
$this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
} else {
$this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
}
} else if ($SESSION->gradeuserreport->sortitemid == $this->sortitemid) {
// same as last sort
if ($SESSION->gradeuserreport->sort == 'ASC') {
$this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
} else {
$this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
}
} else {
if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
$this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
} else {
$this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
}
}
}
$SESSION->gradeuserreport->sortitemid = $this->sortitemid;
} else {
// not requesting sort, use last setting (for paging)
if (isset($SESSION->gradeuserreport->sortitemid)) {
$this->sortitemid = $SESSION->gradeuserreport->sortitemid;
}else{
$this->sortitemid = 'lastname';
}
if (isset($SESSION->gradeuserreport->sort)) {
$this->sortorder = $SESSION->gradeuserreport->sort;
} else {
$this->sortorder = 'ASC';
}
}
}
/**
* pulls out the userids of the users to be display, and sorts them
*/
function load_users() {
global $CFG;
if (is_numeric($this->sortitemid)) {
// the MAX() magic is required in order to please PG
$sort = "MAX(g.finalgrade) $this->sortorder";
$sql = "SELECT u.id, u.firstname, u.lastname, u.imagealt, u.picture, u.idnumber
FROM {$CFG->prefix}user u
JOIN {$CFG->prefix}role_assignments ra ON ra.userid = u.id
$this->groupsql
LEFT JOIN {$CFG->prefix}grade_grades g ON (g.userid = u.id AND g.itemid = $this->sortitemid)
WHERE ra.roleid in ($this->gradebookroles) AND u.deleted = 0
$this->groupwheresql
AND ra.contextid ".get_related_contexts_string($this->context)."
GROUP BY u.id, u.firstname, u.lastname, u.imagealt, u.picture, u.idnumber
ORDER BY $sort";
} else {
switch($this->sortitemid) {
case 'lastname':
$sort = "u.lastname $this->sortorder, u.firstname $this->sortorder"; break;
case 'firstname':
$sort = "u.firstname $this->sortorder, u.lastname $this->sortorder"; break;
case 'idnumber':
default:
$sort = "u.idnumber $this->sortorder"; break;
}
$sql = "SELECT DISTINCT u.id, u.firstname, u.lastname, u.imagealt, u.picture, u.idnumber
FROM {$CFG->prefix}user u
JOIN {$CFG->prefix}role_assignments ra ON u.id = ra.userid
$this->groupsql
WHERE ra.roleid in ($this->gradebookroles)
$this->groupwheresql
AND ra.contextid ".get_related_contexts_string($this->context)."
ORDER BY $sort";
}
$this->users = get_records_sql($sql, $this->get_pref('studentsperpage') * $this->page,
$this->get_pref('studentsperpage'));
if (empty($this->users)) {
$this->userselect = '';
$this->users = array();
} else {
$this->userselect = 'AND g.userid in ('.implode(',', array_keys($this->users)).')';
}
return $this->users;
}
/**
* we supply the userids in this query, and get all the grades
* pulls out all the grades, this does not need to worry about paging
*/
function load_final_grades() {
global $CFG;
// please note that we must fetch all grade_grades fields if we want to contruct grade_grade object from it!
$sql = "SELECT g.*
FROM {$CFG->prefix}grade_items gi,
{$CFG->prefix}grade_grades g
WHERE g.itemid = gi.id AND gi.courseid = {$this->courseid} {$this->userselect}";
$userids = array_keys($this->users);
if ($grades = get_records_sql($sql)) {
foreach ($grades as $graderec) {
if (in_array($graderec->userid, $userids) and array_key_exists($graderec->itemid, $this->gtree->items)) { // some items may not be present!!
$this->grades[$graderec->userid][$graderec->itemid] = new grade_grade($graderec, false);
$this->grades[$graderec->userid][$graderec->itemid]->grade_item =& $this->gtree->items[$graderec->itemid]; // db caching
}
}
}
// prefil grades that do not exist yet
foreach ($userids as $userid) {
foreach ($this->gtree->items as $itemid=>$unused) {
if (!isset($this->grades[$userid][$itemid])) {
$this->grades[$userid][$itemid] = new grade_grade();
$this->grades[$userid][$itemid]->itemid = $itemid;
$this->grades[$userid][$itemid]->userid = $userid;
$this->grades[$userid][$itemid]->grade_item =& $this->gtree->items[$itemid]; // db caching
}
}
}
}
/**
* Builds and returns a div with on/off toggles.
* @return string HTML code
*/
function get_toggles_html() {
global $CFG, $USER, $COURSE;
$html = '
';
if ($USER->gradeediting[$this->courseid]) {
if (has_capability('moodle/grade:manage', $this->context) or has_capability('moodle/grade:hide', $this->context)) {
$html .= $this->print_toggle('eyecons', true);
}
if (has_capability('moodle/grade:manage', $this->context)
or has_capability('moodle/grade:lock', $this->context)
or has_capability('moodle/grade:unlock', $this->context)) {
$html .= $this->print_toggle('locks', true);
}
if (has_capability('moodle/grade:manage', $this->context)) {
$html .= $this->print_toggle('quickfeedback', true);
}
if (has_capability('moodle/grade:manage', $this->context)) {
$html .= $this->print_toggle('calculations', true);
}
}
if ($this->canviewhidden) {
$html .= $this->print_toggle('averages', true);
}
$html .= $this->print_toggle('ranges', true);
if (!empty($CFG->enableoutcomes)) {
$html .= $this->print_toggle('nooutcomes', true);
}
$html .= '
';
return $html;
}
/**
* Shortcut function for printing the grader report toggles.
* @param string $type The type of toggle
* @param bool $return Whether to return the HTML string rather than printing it
* @return void
*/
function print_toggle($type, $return=false) {
global $CFG;
$icons = array('eyecons' => 't/hide.gif',
'calculations' => 't/calc.gif',
'locks' => 't/lock.gif',
'averages' => 't/mean.gif',
'quickfeedback' => 't/feedback.gif',
'nooutcomes' => 't/outcomes.gif');
$pref_name = 'grade_report_show' . $type;
if (array_key_exists($pref_name, $CFG)) {
$show_pref = get_user_preferences($pref_name, $CFG->$pref_name);
} else {
$show_pref = get_user_preferences($pref_name);
}
$strshow = $this->get_lang_string('show' . $type, 'grades');
$strhide = $this->get_lang_string('hide' . $type, 'grades');
$show_hide = 'show';
$toggle_action = 1;
if ($show_pref) {
$show_hide = 'hide';
$toggle_action = 0;
}
if (array_key_exists($type, $icons)) {
$image_name = $icons[$type];
} else {
$image_name = "t/$type.gif";
}
$string = ${'str' . $show_hide};
$img = ''. "\n";
$retval = '
';
if ($showuseridnumber) {
$columncount++;
}
}
}
foreach ($row as $columnkey => $element) {
$sort_link = '';
if (isset($element['object']->id)) {
$sort_link = $this->baseurl.'&sortitemid=' . $element['object']->id;
}
$eid = $element['eid'];
$object = $element['object'];
$type = $element['type'];
$categorystate = @$element['categorystate'];
$itemmodule = null;
$iteminstance = null;
$columnclass = 'c' . $columncount++;
if (!empty($element['colspan'])) {
$colspan = 'colspan="'.$element['colspan'].'"';
$columnclass = '';
} else {
$colspan = '';
}
if (!empty($element['depth'])) {
$catlevel = ' catlevel'.$element['depth'];
} else {
$catlevel = '';
}
// Element is a filler
if ($type == 'filler' or $type == 'fillerfirst' or $type == 'fillerlast') {
$headerhtml .= '
';
}
// Element is a category
else if ($type == 'category') {
//MDL-21088 - IE 7 ignores nowraps on td or th so we put this in a span with a nowrap on it.
$headerhtml .= '
';
}
// Element is a grade_item
else {
$itemmodule = $element['object']->itemmodule;
$iteminstance = $element['object']->iteminstance;
if ($element['object']->id == $this->sortitemid) {
if ($this->sortorder == 'ASC') {
$arrow = $this->get_sort_arrow('up', $sort_link);
} else {
$arrow = $this->get_sort_arrow('down', $sort_link);
}
} else {
$arrow = $this->get_sort_arrow('move', $sort_link);
}
$hidden = '';
if ($element['object']->is_hidden()) {
$hidden = ' hidden ';
}
$headerlink = $this->gtree->get_element_header($element, true, $this->get_pref('showactivityicons'), false);
//The width of the table varies depending on fixedstudents.
// $fixedstudents == 0, students and grades display in the same table.
// $fixedstudents == 1, students and grades are display in separate table.
if ($fixedstudents) {
$incrementcellindex = '0';
} else {
$incrementcellindex = '1';
}
//MDL-21088 - IE 7 ignores nowraps on tds or ths so we this in a span with a nowrap on it.
$headerhtml .= '
';
}
//we're either going to add a th or a colspan to keep things aligned
$userreportcell = '';
$userreportcellcolspan = '';
if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
$a->user = fullname($user, $canviewfullname);
$strgradesforuser = get_string('gradesforuser', 'grades', $a);
$userreportcell = '
$userreportcell\n";
if ($showuseridnumber) {
$studentshtml .= '
'.
$user->idnumber.'
';
}
}
foreach ($this->gtree->items as $itemid=>$unused) {
$item =& $this->gtree->items[$itemid];
$grade = $this->grades[$userid][$item->id];
// Get the decimal points preference for this item
$decimalpoints = $item->get_decimals();
if (in_array($itemid, $unknown)) {
$gradeval = null;
} else if (array_key_exists($itemid, $altered)) {
$gradeval = $altered[$itemid];
} else {
$gradeval = $grade->finalgrade;
}
// MDL-11274
// Hide grades in the grader report if the current grader doesn't have 'moodle/grade:viewhidden'
if (!$this->canviewhidden and $grade->is_hidden()) {
if (!empty($CFG->grade_hiddenasdate) and $grade->get_datesubmitted() and !$item->is_category_item() and !$item->is_course_item()) {
// the problem here is that we do not have the time when grade value was modified, 'timemodified' is general modification date for grade_grades records
$studentshtml .= '
';
if ($grade->is_excluded()) {
$studentshtml .= ''.get_string('excluded', 'grades') . ' ';
}
// Do not show any icons if no grade (no record in DB to match)
if (!$item->needsupdate and $USER->gradeediting[$this->courseid]) {
$studentshtml .= $this->get_icons($element);
}
$hidden = '';
if ($grade->is_hidden()) {
$hidden = ' hidden ';
}
$gradepass = ' gradefail ';
if ($grade->is_passed($item)) {
$gradepass = ' gradepass ';
} elseif (is_null($grade->is_passed($item))) {
$gradepass = '';
}
// if in editting mode, we need to print either a text box
// or a drop down (for scales)
// grades in item of type grade category or course are not directly editable
if ($item->needsupdate) {
$studentshtml .= ''.get_string('error').'';
} else if ($USER->gradeediting[$this->courseid]) {
if ($item->scaleid && !empty($scales_array[$item->scaleid])) {
$scale = $scales_array[$item->scaleid];
$gradeval = (int)$gradeval; // scales use only integers
$scales = explode(",", $scale->scale);
// reindex because scale is off 1
// MDL-12104 some previous scales might have taken up part of the array
// so this needs to be reset
$scaleopt = array();
$i = 0;
foreach ($scales as $scaleoption) {
$i++;
$scaleopt[$i] = $scaleoption;
}
if ($this->get_pref('quickgrading') and $grade->is_editable()) {
$oldval = empty($gradeval) ? -1 : $gradeval;
if (empty($item->outcomeid)) {
$nogradestr = $this->get_lang_string('nograde');
} else {
$nogradestr = $this->get_lang_string('nooutcome', 'grades');
}
$studentshtml .= '';
$studentshtml .= choose_from_menu($scaleopt, 'grade_'.$userid.'_'.$item->id,
$gradeval, $nogradestr, '', '-1',
true, false, $tabindices[$item->id]['grade']);
} elseif(!empty($scale)) {
$scales = explode(",", $scale->scale);
// invalid grade if gradeval < 1
if ($gradeval < 1) {
$studentshtml .= '-';
} else {
$gradeval = $grade->grade_item->bounded_grade($gradeval); //just in case somebody changes scale
$studentshtml .= ''.$scales[$gradeval-1].'';
}
} else {
// no such scale, throw error?
}
} else if ($item->gradetype != GRADE_TYPE_TEXT) { // Value type
if ($this->get_pref('quickgrading') and $grade->is_editable()) {
$value = format_float($gradeval, $decimalpoints);
$studentshtml .= '';
$studentshtml .= '';
} else {
$studentshtml .= ''.format_float($gradeval, $decimalpoints).'';
}
}
// If quickfeedback is on, print an input element
if ($this->get_pref('showquickfeedback') and $grade->is_editable()) {
$studentshtml .= '';
$studentshtml .= '';
}
} else { // Not editing
$gradedisplaytype = $item->get_displaytype();
// If feedback present, surround grade with feedback tooltip: Open span here
if ($item->needsupdate) {
$studentshtml .= ''.get_string('error').'';
} else {
$studentshtml .= ''.grade_format_gradevalue($gradeval, $item, true, $gradedisplaytype, null).'';
}
}
if (!empty($this->gradeserror[$item->id][$userid])) {
$studentshtml .= $this->gradeserror[$item->id][$userid];
}
$studentshtml .= '
';
}
return $studentshtml;
}
/**
* Closes all open elements
*/
function get_endhtml() {
global $CFG, $USER;
$fixedstudents = $this->is_fixed_students();
if ($fixedstudents) {
return "
";
} else {
return "
";
}
}
/**
* Builds and return the HTML row of column totals.
* @param bool $grouponly Whether to return only group averages or all averages.
* @return string HTML
*/
function get_avghtml($grouponly=false) {
global $CFG, $USER;
if (!$this->canviewhidden) {
// totals might be affected by hiding, if user can not see hidden grades the aggregations might be altered
// better not show them at all if user can not see all hideen grades
return;
}
$averagesdisplaytype = $this->get_pref('averagesdisplaytype');
$averagesdecimalpoints = $this->get_pref('averagesdecimalpoints');
$meanselection = $this->get_pref('meanselection');
$shownumberofgrades = $this->get_pref('shownumberofgrades');
$avghtml = '';
$avgcssclass = 'avg';
if ($grouponly) {
$straverage = get_string('groupavg', 'grades');
$showaverages = $this->currentgroup && $this->get_pref('showaverages');
$groupsql = $this->groupsql;
$groupwheresql = $this->groupwheresql;
$avgcssclass = 'groupavg';
} else {
$straverage = get_string('overallaverage', 'grades');
$showaverages = $this->get_pref('showaverages');
$groupsql = "";
$groupwheresql = "";
}
if ($shownumberofgrades) {
$straverage .= ' (' . get_string('submissions', 'grades') . ') ';
}
$totalcount = $this->get_numusers($grouponly);
if ($showaverages) {
// find sums of all grade items in course
$SQL = "SELECT g.itemid, SUM(g.finalgrade) AS sum
FROM {$CFG->prefix}grade_items gi
JOIN {$CFG->prefix}grade_grades g ON g.itemid = gi.id
JOIN {$CFG->prefix}user u ON u.id = g.userid
JOIN {$CFG->prefix}role_assignments ra ON ra.userid = u.id
$groupsql
WHERE gi.courseid = $this->courseid
AND ra.roleid in ($this->gradebookroles)
AND ra.contextid ".get_related_contexts_string($this->context)."
AND g.finalgrade IS NOT NULL
$groupwheresql
GROUP BY g.itemid";
$sum_array = array();
if ($sums = get_records_sql($SQL)) {
foreach ($sums as $itemid => $csum) {
$sum_array[$itemid] = $csum->sum;
}
}
$columncount=0;
$avghtml = '
';
// MDL-10875 Empty grades must be evaluated as grademin, NOT always 0
// This query returns a count of ungraded grades (NULL finalgrade OR no matching record in grade_grades table)
$SQL = "SELECT gi.id, COUNT(u.id) AS count
FROM {$CFG->prefix}grade_items gi
CROSS JOIN {$CFG->prefix}user u
JOIN {$CFG->prefix}role_assignments ra ON ra.userid = u.id
LEFT OUTER JOIN {$CFG->prefix}grade_grades g ON (g.itemid = gi.id AND g.userid = u.id AND g.finalgrade IS NOT NULL)
$groupsql
WHERE gi.courseid = $this->courseid
AND ra.roleid in ($this->gradebookroles)
AND ra.contextid ".get_related_contexts_string($this->context)."
AND g.id IS NULL
$groupwheresql
GROUP BY gi.id";
$ungraded_counts = get_records_sql($SQL);
$fixedstudents = $this->is_fixed_students();
if (!$fixedstudents) {
$colspan='colspan="2" ';
if ($this->get_pref('showuseridnumber')) {
$colspan = 'colspan="3" ';
}
$avghtml .= '
'.$straverage.'
';
}
foreach ($this->gtree->items as $itemid=>$unused) {
$item =& $this->gtree->items[$itemid];
if ($item->needsupdate) {
$avghtml .= '
'.get_string('error').'
';
continue;
}
if (!isset($sum_array[$item->id])) {
$sum_array[$item->id] = 0;
}
if (empty($ungraded_counts[$itemid])) {
$ungraded_count = 0;
} else {
$ungraded_count = $ungraded_counts[$itemid]->count;
}
if ($meanselection == GRADE_REPORT_MEAN_GRADED) {
$mean_count = $totalcount - $ungraded_count;
} else { // Bump up the sum by the number of ungraded items * grademin
$sum_array[$item->id] += $ungraded_count * $item->grademin;
$mean_count = $totalcount;
}
$decimalpoints = $item->get_decimals();
// Determine which display type to use for this average
if ($USER->gradeediting[$this->courseid]) {
$displaytype = GRADE_DISPLAY_TYPE_REAL;
} else if ($averagesdisplaytype == GRADE_REPORT_PREFERENCE_INHERIT) { // no ==0 here, please resave the report and user preferences
$displaytype = $item->get_displaytype();
} else {
$displaytype = $averagesdisplaytype;
}
// Override grade_item setting if a display preference (not inherit) was set for the averages
if ($averagesdecimalpoints == GRADE_REPORT_PREFERENCE_INHERIT) {
$decimalpoints = $item->get_decimals();
} else {
$decimalpoints = $averagesdecimalpoints;
}
if (!isset($sum_array[$item->id]) || $mean_count == 0) {
$avghtml .= '
';
}
return $avghtml;
}
/**
* Builds and return the HTML row of ranges for each column (i.e. range).
* @return string HTML
*/
function get_rangehtml() {
global $USER, $CFG;
$rangehtml = '';
if ($this->get_pref('showranges')) {
$rangesdisplaytype = $this->get_pref('rangesdisplaytype');
$rangesdecimalpoints = $this->get_pref('rangesdecimalpoints');
$columncount=0;
$rangehtml = '
';
$fixedstudents = $this->is_fixed_students();
if (!$fixedstudents) {
$colspan='colspan="2" ';
if ($this->get_pref('showuseridnumber')) {
$colspan = 'colspan="3" ';
}
$rangehtml .= '
';
}
return $rangehtml;
}
/**
* Builds and return the HTML row of ranges for each column (i.e. range).
* @return string HTML
*/
function get_iconshtml() {
global $USER, $CFG;
$iconshtml = '';
if ($USER->gradeediting[$this->courseid]) {
$iconshtml = '
';
}
return $iconshtml;
}
/**
* Given a grade_category, grade_item or grade_grade, this function
* figures out the state of the object and builds then returns a div
* with the icons needed for the grader report.
*
* @param object $object
* @return string HTML
*/
function get_icons($element) {
global $CFG, $USER;
if (!$USER->gradeediting[$this->courseid]) {
return '';
}
// Init all icons
$edit_icon = '';
if ($element['type'] != 'categoryitem' && $element['type'] != 'courseitem') {
$edit_icon = $this->gtree->get_edit_icon($element, $this->gpr);
}
$edit_calculation_icon = '';
$show_hide_icon = '';
$lock_unlock_icon = '';
if (has_capability('moodle/grade:manage', $this->context)) {
if ($this->get_pref('showcalculations')) {
$edit_calculation_icon = $this->gtree->get_calculation_icon($element, $this->gpr);
}
if ($this->get_pref('showeyecons')) {
$show_hide_icon = $this->gtree->get_hiding_icon($element, $this->gpr);
}
if ($this->get_pref('showlocks')) {
$lock_unlock_icon = $this->gtree->get_locking_icon($element, $this->gpr);
}
}
return '
