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lib.php
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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/>.
/**
* File in which the marking_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 marking report building and displaying.
* @uses grade_report
* @package gradebook
*/
class grade_report_marking extends grade_report {
/**
* The final grades.
* @var array $grades
*/
public $grades;
/**
* Array of errors for bulk grades updating.
* @var array $gradeserror
*/
public $gradeserror = array();
//// SQL-RELATED
/**
* The id of the grade_item by which this report will be sorted.
* @var int $sortitemid
*/
public $sortitemid;
/**
* Sortorder used in the SQL selections.
* @var int $sortorder
*/
public $sortorder;
/**
* An SQL fragment affecting the search for users.
* @var string $userselect
*/
public $userselect;
/**
* The bound params for $userselect
* @var array $userselectparams
*/
public $userselectparams = array();
/**
* List of collapsed categories from user preference
* @var array $collapsed
*/
public $collapsed;
/**
* A count of the rows, used for css classes.
* @var int $rowcount
*/
public $rowcount = 0;
/**
* Capability check caching
* */
public $canviewhidden;
var $preferencespage=false;
/**
* Length at which feedback will be truncated (to the nearest word) and an ellipsis be added.
* TODO replace this by a report preference
* @var int $feedback_trunc_length
*/
protected $feedback_trunc_length = 50;
/**
* 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 $sortitemid The id of the grade_item by which to sort the table
*/
public function __construct($courseid, $gpr, $context, $page=null, $sortitemid=null) {
global $CFG;
parent::__construct($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_marking_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
$this->baseurl = new moodle_url('index.php', array('id' => $this->courseid));
$studentsperpage = $this->get_pref('studentsperpage');
if (!empty($studentsperpage)) {
$this->baseurl->params(array('perpage' => $studentsperpage, 'page' => $this->page));
}
$this->pbarurl = new moodle_url('/grade/report/marking/index.php', array('id' => $this->courseid, 'perpage' => $studentsperpage));
$this->setup_groups();
$this->setup_sortitemid();
}
/**
* Processes the data sent by the form (grades and feedbacks).
* Caller is responsible for all access control checks
* @param array $data form submission (with magic quotes)
* @return array empty array if success, array of warnings if something fails.
*/
public function process_data($data) {
global $DB;
$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) {
$datatype = 'grade';
} else if (strpos($varname, 'feedback') === 0) {
$datatype = '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 == $postedvalue) { // string comparison
continue;
}
if (!$gradeitem = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$this->courseid))) { // we must verify course id here!
print_error('invalidgradeitmeid');
}
// Pre-process grade
if ($datatype == 'grade') {
$feedback = false;
$feedbackformat = false;
if ($gradeitem->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 = $gradeitem->bounded_grade($finalgrade);
if ($bounded > $finalgrade) {
$errorstr = 'lessthanmin';
} else if ($bounded < $finalgrade) {
$errorstr = 'morethanmax';
}
}
if ($errorstr) {
$user = $DB->get_record('user', array('id' => $userid), 'id, username');
$gradestr = new stdClass();
$gradestr->username = $user->username;
$gradestr->itemname = $gradeitem->get_name();
$warnings[] = get_string($errorstr, 'grades', $gradestr);
}
} else if ($datatype == 'feedback') {
$finalgrade = false;
$trimmed = trim($postedvalue);
if (empty($trimmed)) {
$feedback = NULL;
} else {
$feedback = $postedvalue;
}
}
// group access control
if ($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 somebody is hacking grades of other group
$warnings[] = get_string('errorsavegrade', 'grades');
continue;
}
}
$gradeitem->update_final_grade($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.
*/
private function setup_sortitemid() {
global $SESSION;
if ($this->sortitemid) {
if (!isset($SESSION->gradeuserreport->sort)) {
if ($this->sortitemid == 'username') {
$this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
} else {
$this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
}
} else {
// this is the first sort, i.e. by username
if (!isset($SESSION->gradeuserreport->sortitemid)) {
if ($this->sortitemid == 'username') {
$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';
}
}
}
$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{
$this->sortitemid = 'username';
}
if (isset($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
*/
public function load_users() {
global $CFG, $DB;
//limit to users with a gradeable role
list($gradebookrolessql, $gradebookrolesparams) = $DB->get_in_or_equal(explode(',', $this->gradebookroles), SQL_PARAMS_NAMED, 'grbr0');
//limit to users with an active enrollment
list($enrolledsql, $enrolledparams) = get_enrolled_sql($this->context);
//fields we need from the user table
$userfields = user_picture::fields('u'); // IDW 30/7/12 ...although we aren't displaying their picture
$userfields .= get_extra_user_fields_sql($this->context);
// IDW 30/7/12 - also SELECT username because that's what we're displaying in the report
$userfields .= ',u.username';
$sortjoin = $sort = $params = null;
//if the user has clicked one of the sort asc/desc arrows
if (is_numeric($this->sortitemid)) {
$params = array_merge(array('gitemid'=>$this->sortitemid), $gradebookrolesparams, $this->groupwheresql_params, $enrolledparams);
$sortjoin = "LEFT JOIN {grade_grades} g ON g.userid = u.id AND g.itemid = $this->sortitemid";
$sort = "g.finalgrade $this->sortorder";
} else {
$sortjoin = '';
switch($this->sortitemid) {
case 'username':
$sort = "u.username $this->sortorder";
break;
case 'idnumber':
default:
$sort = "u.idnumber $this->sortorder";
break;
}
$params = array_merge($gradebookrolesparams, $this->groupwheresql_params, $enrolledparams);
}
$sql = "SELECT $userfields
FROM {user} u
JOIN ($enrolledsql) je ON je.id = u.id
$this->groupsql
$sortjoin
JOIN (
SELECT DISTINCT ra.userid
FROM {role_assignments} ra
WHERE ra.roleid IN ($this->gradebookroles)
AND ra.contextid " . get_related_contexts_string($this->context) . "
) rainner ON rainner.userid = u.id
AND u.deleted = 0
$this->groupwheresql
ORDER BY $sort";
$this->users = $DB->get_records_sql($sql, $params, $this->get_pref('studentsperpage') * $this->page, $this->get_pref('studentsperpage'));
if (empty($this->users)) {
$this->userselect = '';
$this->users = array();
$this->userselect_params = array();
} else {
list($usql, $uparams) = $DB->get_in_or_equal(array_keys($this->users), SQL_PARAMS_NAMED, 'usid0');
$this->userselect = "AND g.userid $usql";
$this->userselect_params = $uparams;
//add a flag to each user indicating whether their enrolment is active
$sql = "SELECT ue.userid
FROM {user_enrolments} ue
JOIN {enrol} e ON e.id = ue.enrolid
WHERE ue.userid $usql
AND ue.status = :uestatus
AND e.status = :estatus
AND e.courseid = :courseid
GROUP BY ue.userid";
$coursecontext = get_course_context($this->context);
$params = array_merge($uparams, array('estatus'=>ENROL_INSTANCE_ENABLED, 'uestatus'=>ENROL_USER_ACTIVE, 'courseid'=>$coursecontext->instanceid));
$useractiveenrolments = $DB->get_records_sql($sql, $params);
foreach ($this->users as $user) {
$this->users[$user->id]->suspendedenrolment = !array_key_exists($user->id, $useractiveenrolments);
}
}
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
*/
public function load_final_grades() {
global $CFG, $DB;
// please note that we must fetch all grade_grades fields if we want to construct grade_grade object from it!
$params = array_merge(array('courseid'=>$this->courseid), $this->userselect_params);
$sql = "SELECT g.*
FROM {grade_items} gi,
{grade_grades} g
WHERE g.itemid = gi.id AND gi.courseid = :courseid {$this->userselect}";
$userids = array_keys($this->users);
if ($grades = $DB->get_records_sql($sql, $params)) {
foreach ($grades as $graderec) {
if (in_array($graderec->userid, $userids) and array_key_exists($graderec->itemid, $this->gtree->get_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 =& $this->gtree->get_item($graderec->itemid); // db caching
}
}
}
// prefil grades that do not exist yet
foreach ($userids as $userid) {
foreach ($this->gtree->get_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 =& $this->gtree->get_item($itemid); // db caching
}
}
}
}
/**
* Builds and returns a div with on/off toggles.
* @return string HTML code
*/
public function get_toggles_html() {
global $CFG, $USER, $COURSE, $OUTPUT;
$html = '';
if ($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');
}
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');
}
if (has_capability('moodle/grade:manage', $this->context)) {
$html .= $this->print_toggle('quickfeedback');
}
if (has_capability('moodle/grade:manage', $this->context)) {
$html .= $this->print_toggle('calculations');
}
}
if ($this->canviewhidden) {
$html .= $this->print_toggle('averages');
}
$html .= $this->print_toggle('ranges');
if (!empty($CFG->enableoutcomes)) {
$html .= $this->print_toggle('nooutcomes');
}
return $OUTPUT->container($html, 'grade-report-toggles');
}
/**
* Shortcut function for printing the marking report toggles.
* @param string $type The type of toggle
* @param bool $return Whether to return the HTML string rather than printing it
* @return void
*/
public function print_toggle($type) {
global $CFG, $OUTPUT;
$icons = array('eyecons' => 't/hide',
'calculations' => 't/calc',
'locks' => 't/lock',
'averages' => 't/mean',
'quickfeedback' => 't/feedback',
'nooutcomes' => 't/outcomes');
$prefname = 'grade_report_show' . $type;
if (array_key_exists($prefname, $CFG)) {
$showpref = get_user_preferences($prefname, $CFG->$prefname);
} else {
$showpref = get_user_preferences($prefname);
}
$strshow = $this->get_lang_string('show' . $type, 'grades');
$strhide = $this->get_lang_string('hide' . $type, 'grades');
$showhide = 'show';
$toggleaction = 1;
if ($showpref) {
$showhide = 'hide';
$toggleaction = 0;
}
if (array_key_exists($type, $icons)) {
$imagename = $icons[$type];
} else {
$imagename = "t/$type";
}
$string = ${'str' . $showhide};
$url = new moodle_url($this->baseurl, array('toggle' => $toggleaction, 'toggle_type' => $type));
$retval = $OUTPUT->container($OUTPUT->action_icon($url, new pix_icon($imagename, $string))); // TODO: this container looks wrong here
return $retval;
}
/**
* Builds and returns the rows that will make up the left part of the marking report
* This consists of student names and icons, links to user reports and id numbers, as well
* as header cells for these columns. It also includes the fillers required for the
* categories displayed on the right side of the report.
* @return array Array of html_table_row objects
*/
public function get_left_rows() {
global $CFG, $USER, $OUTPUT;
$rows = array();
$showuserimage = $this->get_pref('showuserimage');
$fixedstudents = $this->is_fixed_students();
$strfeedback = $this->get_lang_string("feedback");
$strgrade = $this->get_lang_string('grade');
$extrafields = get_extra_user_fields($this->context);
$arrows = $this->get_sort_arrows($extrafields);
$colspan = 1;
/* 21/08/2012 IDW - We aren't showing any extra fields so this bit of code is redundant...
if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
$colspan++;
}
$colspan += count($extrafields);
*/
$levels = count($this->gtree->levels) - 1;
for ($i = 0; $i < $levels; $i++) {
$fillercell = new html_table_cell();
$fillercell->attributes['class'] = 'fixedcolumn cell topleft';
$fillercell->text = ' ';
$fillercell->colspan = $colspan;
$row = new html_table_row(array($fillercell));
$rows[] = $row;
}
$headerrow = new html_table_row();
$headerrow->attributes['class'] = 'heading';
$studentheader = new html_table_cell();
$studentheader->attributes['class'] = 'header';
$studentheader->scope = 'col';
$studentheader->header = true;
$studentheader->id = 'studentheader';
// 20/08/2012 IDW - Don't show a link to the grade report. This is meant to be anonymous.
/*
if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
$studentheader->colspan = 2;
}
*/
$studentheader->text = $arrows['username'];
$headerrow->cells[] = $studentheader;
foreach ($extrafields as $field) {
if($field != 'email') { // phew, that's nasty!
$fieldheader = new html_table_cell();
$fieldheader->attributes['class'] = 'header userfield user' . $field;
$fieldheader->scope = 'col';
$fieldheader->header = true;
$fieldheader->text = $arrows[$field];
$headerrow->cells[] = $fieldheader;
}
}
$rows[] = $headerrow;
$rows = $this->get_left_icons_row($rows, $colspan);
$rowclasses = array('even', 'odd');
$suspendedstring = null;
foreach ($this->users as $userid => $user) {
$userrow = new html_table_row();
$userrow->id = 'fixed_user_'.$userid;
$userrow->attributes['class'] = 'r'.$this->rowcount++.' '.$rowclasses[$this->rowcount % 2];
$usercell = new html_table_cell();
$usercell->attributes['class'] = 'user';
$usercell->header = true;
$usercell->scope = 'row';
// IDW 30/7/12 only list username
/*if ($showuserimage) {
$usercell->text = $OUTPUT->user_picture($user);
}*/
$usercell->text .= $user->username;
if (!empty($user->suspendedenrolment)) {
$usercell->attributes['class'] .= ' usersuspended';
//may be lots of suspended users so only get the string once
if (empty($suspendedstring)) {
$suspendedstring = get_string('userenrolmentsuspended', 'grades');
}
$usercell->text .= html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('i/enrolmentsuspended'), 'title'=>$suspendedstring, 'alt'=>$suspendedstring, 'class'=>'usersuspendedicon'));
}
$userrow->cells[] = $usercell;
/* 20/08/2012 IDW Don't show a link to a user's grader report. This is meant to be anonymous.
if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
$userreportcell = new html_table_cell();
$userreportcell->attributes['class'] = 'userreport';
$userreportcell->header = true;
$a = new stdClass();
$a->user = fullname($user);
$strgradesforuser = get_string('gradesforuser', 'grades', $a);
$url = new moodle_url('/grade/report/'.$CFG->grade_profilereport.'/index.php', array('userid' => $user->id, 'id' => $this->course->id));
$userreportcell->text = $OUTPUT->action_icon($url, new pix_icon('t/grades', $strgradesforuser));
$userrow->cells[] = $userreportcell;
}
*/
foreach ($extrafields as $field) {
if($field != 'email') { // phew, that's nasty!
$fieldcell = new html_table_cell();
$fieldcell->attributes['class'] = 'header userfield user' . $field;
$fieldcell->header = true;
$fieldcell->scope = 'row';
$fieldcell->text = $user->{$field};
$userrow->cells[] = $fieldcell;
}
}
$rows[] = $userrow;
}
$rows = $this->get_left_range_row($rows, $colspan);
$rows = $this->get_left_avg_row($rows, $colspan, true);
$rows = $this->get_left_avg_row($rows, $colspan);
return $rows;
}
/**
* Builds and returns the rows that will make up the right part of the marking report
* @return array Array of html_table_row objects
*/
public function get_right_rows() {
global $CFG, $USER, $OUTPUT, $DB, $PAGE;
$rows = array();
$this->rowcount = 0;
$numrows = count($this->gtree->get_levels());
$numusers = count($this->users);
$gradetabindex = 1;
$columnstounset = array();
$strgrade = $this->get_lang_string('grade');
$strfeedback = $this->get_lang_string("feedback");
$arrows = $this->get_sort_arrows();
$jsarguments = array(
'id' => '#fixed_column',
'cfg' => array('ajaxenabled'=>false),
'items' => array(),
'users' => array(),
'feedback' => array()
);
$jsscales = array();
foreach ($this->gtree->get_levels() as $key=>$row) {
if ($key == 0) {
// do not display course grade category
// continue;
}
$headingrow = new html_table_row();
$headingrow->attributes['class'] = 'heading_name_row';
foreach ($row as $columnkey => $element) {
$sortlink = clone($this->baseurl);
if (isset($element['object']->id)) {
$sortlink->param('sortitemid', $element['object']->id);
}
$eid = $element['eid'];
$object = $element['object'];
$type = $element['type'];
$categorystate = @$element['categorystate'];
if (!empty($element['colspan'])) {
$colspan = $element['colspan'];
} else {
$colspan = 1;
}
if (!empty($element['depth'])) {
$catlevel = 'catlevel'.$element['depth'];
} else {
$catlevel = '';
}
// Element is a filler
if ($type == 'filler' or $type == 'fillerfirst' or $type == 'fillerlast') {
$fillercell = new html_table_cell();
$fillercell->attributes['class'] = $type . ' ' . $catlevel;
$fillercell->colspan = $colspan;
$fillercell->text = ' ';
$fillercell->header = true;
$fillercell->scope = 'col';
$headingrow->cells[] = $fillercell;
}
// Element is a category
else if ($type == 'category') {
$categorycell = new html_table_cell();
$categorycell->attributes['class'] = 'category ' . $catlevel;
$categorycell->colspan = $colspan;
$categorycell->text = shorten_text($element['object']->get_name());
$categorycell->text .= $this->get_collapsing_icon($element);
$categorycell->header = true;
$categorycell->scope = 'col';
// Print icons
if ($USER->gradeediting[$this->courseid]) {
$categorycell->text .= $this->get_icons($element);
}
$headingrow->cells[] = $categorycell;
}
// Element is a grade_item
else {
//$itemmodule = $element['object']->itemmodule;
//$iteminstance = $element['object']->iteminstance;
if ($element['object']->id == $this->sortitemid) {
if ($this->sortorder == 'ASC') {
$arrow = $this->get_sort_arrow('up', $sortlink);
} else {
$arrow = $this->get_sort_arrow('down', $sortlink);
}
} else {
$arrow = $this->get_sort_arrow('move', $sortlink);
}
// 21/08/2012 IDW - We don't want the header to link anywhere...
$headerlink = $this->gtree->get_element_header($element, false, $this->get_pref('showactivityicons'), false);
$itemcell = new html_table_cell();
$itemcell->attributes['class'] = $type . ' ' . $catlevel . 'highlightable';
if ($element['object']->is_hidden()) {
$itemcell->attributes['class'] .= ' hidden';
}
$itemcell->colspan = $colspan;
$itemcell->text = shorten_text($headerlink) . $arrow;
$itemcell->header = true;
$itemcell->scope = 'col';
$headingrow->cells[] = $itemcell;
}
}
$rows[] = $headingrow;
}
$rows = $this->get_right_icons_row($rows);
// Preload scale objects for items with a scaleid and initialize tab indices
$scaleslist = array();
$tabindices = array();
foreach ($this->gtree->get_items() as $itemid=>$item) {
$scale = null;
if (!empty($item->scaleid)) {
$scaleslist[] = $item->scaleid;
$jsarguments['items'][$itemid] = array('id'=>$itemid, 'name'=>$item->get_name(true), 'type'=>'scale', 'scale'=>$item->scaleid, 'decimals'=>$item->get_decimals());
} else {
$jsarguments['items'][$itemid] = array('id'=>$itemid, 'name'=>$item->get_name(true), 'type'=>'value', 'scale'=>false, 'decimals'=>$item->get_decimals());
}
$tabindices[$item->id]['grade'] = $gradetabindex;
$tabindices[$item->id]['feedback'] = $gradetabindex + $numusers;
$gradetabindex += $numusers * 2;
}
$scalesarray = array();
if (!empty($scaleslist)) {
$scalesarray = $DB->get_records_list('scale', 'id', $scaleslist);
}
$jsscales = $scalesarray;
$rowclasses = array('even', 'odd');
foreach ($this->users as $userid => $user) {
if ($this->canviewhidden) {
$altered = array();
$unknown = array();
} else {
$hidingaffected = grade_grade::get_hiding_affected($this->grades[$userid], $this->gtree->get_items());
$altered = $hidingaffected['altered'];
$unknown = $hidingaffected['unknown'];
unset($hidingaffected);
}
$itemrow = new html_table_row();
$itemrow->id = 'user_'.$userid;
$itemrow->attributes['class'] = $rowclasses[$this->rowcount % 2];
// IDW 20/08/2012 pass the username to module.js as we don't want the marker to know exactly who they are marking
//$jsarguments['users'][$userid] = fullname($user);
$jsarguments['users'][$userid] = $user->username;
foreach ($this->gtree->items as $itemid=>$unused) {
$item =& $this->gtree->items[$itemid];
$grade = $this->grades[$userid][$item->id];
$itemcell = new html_table_cell();
$itemcell->id = 'u'.$userid.'i'.$itemid;
// 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 = $grade->finalgrade;
}
// MDL-11274
// Hide grades in the marking report if the current marking doesn't have 'moodle/grade:viewhidden'
if (!$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
$itemcell->text = html_writer::tag('span', userdate($grade->get_datesubmitted(),get_string('strftimedatetimeshort')), array('class'=>'datesubmitted'));
} else {
$itemcell->text = '-';
}
$itemrow->cells[] = $itemcell;
continue;
}
// emulate grade element
$eid = $this->gtree->get_grade_eid($grade);
$element = array('eid'=>$eid, 'object'=>$grade, 'type'=>'grade');
$itemcell->attributes['class'] .= ' grade';
if ($item->is_category_item()) {
$itemcell->attributes['class'] .= ' cat';
}
if ($item->is_course_item()) {
$itemcell->attributes['class'] .= ' course';
}
if ($grade->is_overridden()) {
$itemcell->attributes['class'] .= ' overridden';
}
if ($grade->is_excluded()) {
// $itemcell->attributes['class'] .= ' excluded';
}
if (!empty($grade->feedback)) {
//should we be truncating feedback? ie $short_feedback = shorten_text($feedback, $this->feedback_trunc_length);
$jsarguments['feedback'][] = array('user'=>$userid, 'item'=>$itemid, 'content'=>wordwrap(trim(format_string($grade->feedback, $grade->feedbackformat)), 34, '<br/ >'));
}
if ($grade->is_excluded()) {
$itemcell->text .= html_writer::tag('span', get_string('excluded', 'grades'), array('class'=>'excludedfloater'));
}
// Do not show any icons if no grade (no record in DB to match)
if (!$item->needsupdate and $USER->gradeediting[$this->courseid]) {
$itemcell->text .= $this->get_icons($element);
}
$hidden = '';
if ($grade->is_hidden()) {
$hidden = ' hidden ';
}
$gradepass = ' gradefail ';
if ($grade->is_passed($item)) {
$gradepass = ' gradepass ';
} elseif (is_null($grade->is_passed($item))) {
$gradepass = '';
}
// if in editing mode, we need to print either a text box
// or a drop down (for scales)
// grades in item of type grade category or course are not directly editable
if ($item->needsupdate) {
$itemcell->text .= html_writer::tag('span', get_string('error'), array('class'=>"gradingerror$hidden"));
} else if ($USER->gradeediting[$this->courseid]) {
if ($item->scaleid && !empty($scalesarray[$item->scaleid])) {
$scale = $scalesarray[$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');
}
$itemcell->text .= '<input type="hidden" id="oldgrade_'.$userid.'_'.$item->id.'" name="oldgrade_'.$userid.'_'.$item->id.'" value="'.$oldval.'"/>';
$attributes = array('tabindex' => $tabindices[$item->id]['grade'], 'id'=>'grade_'.$userid.'_'.$item->id);
$itemcell->text .= html_writer::select($scaleopt, 'grade_'.$userid.'_'.$item->id, $gradeval, array(-1=>$nogradestr), $attributes);;
} elseif(!empty($scale)) {
$scales = explode(",", $scale->scale);
// invalid grade if gradeval < 1
if ($gradeval < 1) {
$itemcell->text .= html_writer::tag('span', '-', array('class'=>"gradevalue$hidden$gradepass"));
} else {
$gradeval = $grade->grade_item->bounded_grade($gradeval); //just in case somebody changes scale
$itemcell->text .= html_writer::tag('span', $scales[$gradeval-1], array('class'=>"gradevalue$hidden$gradepass"));
}
} 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);
$itemcell->text .= '<input type="hidden" id="oldgrade_'.$userid.'_'.$item->id.'" name="oldgrade_'.$userid.'_'.$item->id.'" value="'.$value.'" />';
$itemcell->text .= '<input size="6" tabindex="' . $tabindices[$item->id]['grade']
. '" type="text" class="text" title="'. $strgrade .'" name="grade_'
.$userid.'_' .$item->id.'" id="grade_'.$userid.'_'.$item->id.'" value="'.$value.'" />';
} else {
$itemcell->text .= html_writer::tag('span', format_float($gradeval, $decimalpoints), array('class'=>"gradevalue$hidden$gradepass"));
}
}
// If quickfeedback is on, print an input element
if ($this->get_pref('showquickfeedback') and $grade->is_editable()) {
$itemcell->text .= '<input type="hidden" id="oldfeedback_'.$userid.'_'.$item->id.'" name="oldfeedback_'.$userid.'_'.$item->id.'" value="' . s($grade->feedback) . '" />';
$itemcell->text .= '<input class="quickfeedback" tabindex="' . $tabindices[$item->id]['feedback'].'" id="feedback_'.$userid.'_'.$item->id
. '" size="6" title="' . $strfeedback . '" type="text" name="feedback_'.$userid.'_'.$item->id.'" value="' . s($grade->feedback) . '" />';
}
} else { // Not editing
$gradedisplaytype = $item->get_displaytype();