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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 grader_report class is defined.
* @package gradebook
*/
require_once($CFG->dirroot . '/grade/report/lib.php');
require_once($CFG->libdir.'/tablelib.php');
require_once $CFG->dirroot.'/grade/report/laegrader/locallib.php';
require_once $CFG->dirroot.'/grade/report/grader/lib.php';
/**
* Class providing an API for the grader report building and displaying.
* @uses grade_report
* @package gradebook
* DONE
*/
class grade_report_laegrader extends grade_report_grader {
/**
* 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;
public $showtotalsifcontainhidden;
/**
* A count of the rows, used for css classes.
* @var int $rowcount
*/
public $rowcount = 0;
/**
* Capability check caching
* */
public $canviewhidden;
public $extrafields;
var $preferences_page=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 $sortitemid The id of the grade_item by which to sort the table
* DONE
*/
function __construct($courseid, $gpr, $context, $page=null, $sortitemid=null) {
global $CFG;
parent::__construct($courseid, $gpr, $context, $page);
$this->canviewhidden = has_capability('moodle/grade:viewhidden', context_course::instance($this->course->id));
$this->accuratetotals = ($temp = grade_get_setting($this->courseid, 'report_laegrader_accuratetotals', $CFG->grade_report_laegrader_accuratetotals)) ? $temp : 0;
$this->showtotalsifcontainhidden = array($this->courseid => grade_get_setting($this->courseid, 'report_user_showtotalsifcontainhidden', $CFG->grade_report_user_showtotalsifcontainhidden));
$showtotalsifcontainhidden = $this->showtotalsifcontainhidden[$this->courseid];
$this->columnwidth = get_user_preferences('grade_report_laegrader_columnwidth');
$this->columnwidth = $this->columnwidth == null ? 25 + ($CFG->grade_report_laegrader_columnwidth * 5) : 25 + ($this->columnwidth * 5);
// need this array, even tho its useless in the laegrader report or we'll generate warnings
$this->collapsed = array('aggregatesonly' => array(), 'gradesonly' => array());
if (empty($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);
}
$this->aggregationposition = $switch;
// Grab the grade_tree for this course
$this->gtree = grade_tree_local_helper($this->courseid, false, $switch, null, $nooutcomes, $this->currentgroup);
$this->gtree->showtotalsifcontainhidden = $showtotalsifcontainhidden;
// Fill items with parent information needed later for laegrader report
$this->gtree->parents = array();
$this->gtree->cats = array();
if ($this->accuratetotals) { // don't even go to fill_parents unless accuratetotals is set
$this->gtree->fill_cats();
$this->gtree->parents[$this->gtree->top_element['object']->grade_item->id] = new stdClass(); // initiate the course item
$this->gtree->fill_parents($this->gtree->top_element, $this->gtree->top_element['object']->grade_item->id, $showtotalsifcontainhidden);
}
$this->sortitemid = $sortitemid;
// base url for sorting by first/last name
$this->baseurl = new moodle_url('index.php', array('id' => $this->courseid));
$studentsperpage = $this->get_students_per_page();
if (!empty($this->page) && !empty($studentsperpage)) {
$this->baseurl->params(array('perpage' => $studentsperpage, 'page' => $this->page));
}
$this->pbarurl = new moodle_url('/grade/report/laegrader/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 below
$current = array_search($this->currentgroup, $mygroups);
if ($current !== false) {
unset($mygroups[$current]);
array_unshift($mygroups, $this->currentgroup);
}
}
// always initialize all arrays
$queue = array();
$this->load_users();
$this->load_final_grades();
// Were any changes made?
$changedgrades = false;
foreach ($data as $varname => $students) {
$needsupdate = false;
// skip, not a grade nor feedback
if (strpos($varname, 'grade') === 0) {
$datatype = 'grade';
} else if (strpos($varname, 'feedback') === 0) {
$datatype = 'feedback';
} else {
continue;
}
foreach ($students as $userid => $items) {
$userid = clean_param($userid, PARAM_INT);
foreach ($items as $itemid => $postedvalue) {
$itemid = clean_param($itemid, PARAM_INT);
// Was change requested?
$oldvalue = $this->grades[$userid][$itemid];
if ($datatype === 'grade') {
// If there was no grade and there still isn't
if (is_null($oldvalue->finalgrade) && $postedvalue == -1) {
// -1 means no grade
continue;
}
// If the grade item uses a custom scale
if (!empty($oldvalue->grade_item->scaleid)) {
if ((int)$oldvalue->finalgrade === (int)$postedvalue) {
continue;
}
} else {
// The grade item uses a numeric scale
// Format the finalgrade from the DB so that it matches the grade from the client
if ($postedvalue === format_float($oldvalue->finalgrade, $oldvalue->grade_item->get_decimals())) {
continue;
}
}
$changedgrades = true;
} else if ($datatype === 'feedback') {
// If quick grading is on, feedback needs to be compared without line breaks.
if ($this->get_pref('quickgrading')) {
$oldvalue->feedback = preg_replace("/\r\n|\r|\n/", "", $oldvalue->feedback);
}
if (($oldvalue->feedback === $postedvalue) or ($oldvalue->feedback === NULL and empty($postedvalue))) {
continue;
}
}
if (!$gradeitem = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$this->courseid))) {
print_error('invalidgradeitemid');
}
// 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 {
$postedvalue = $this->pre_process_grade($postedvalue, $itemid);
$finalgrade = unformat_float($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, firstname, lastname');
$gradestr = new stdClass();
$gradestr->username = fullname($user);
$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;
}
}
$url = '/report/grader/index.php?id=' . $this->course->id;
$fullname = fullname($this->users[$userid]);
$info = "{$gradeitem->itemname}: $fullname";
add_to_log($this->course->id, 'grade', 'update', $url, $info);
$gradeitem->update_final_grade($userid, $finalgrade, 'gradebook', $feedback, FORMAT_MOODLE);
// We can update feedback without reloading the grade item as it doesn't affect grade calculations
if ($datatype === 'feedback') {
$this->grades[$userid][$itemid]->feedback = $feedback;
}
}
}
}
if ($changedgrades) {
// If a final grade was overriden reload grades so dependent grades like course total will be correct
$this->grades = null;
}
return $warnings;
}
public function pre_process_grade($value, $itemid) {
// percentage input
if (strpos($value, '%')) {
if (!$gradeitem = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$this->courseid))) { // we must verify course id here!
print_error('invalidgradeitmeid');
}
$percent = trim(substr($value, 0, strpos($value, '%')));
$value = $percent * .01 * $gradeitem->grademax;
// letter input?
} else if (ctype_alpha(trim(substr($value,0,1)))) {
$context = context_course::instance($this->courseid);
$letters = grade_get_letters($this->context);
if (!$gradeitem = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$this->courseid))) { // we must verify course id here!
print_error('invalidgradeitmeid');
}
foreach ($letters as $used=>$letter) {
if (strtoupper($value) == strtoupper($letter)) {
if (isset($lastitem)) {
$value = $lastitem;
} else {
$value = $gradeitem->grademax;
}
break;
} else {
$lastitem = ($used - 1) * .01 * $gradeitem->grademax;
}
}
}
return ($value);
}
/**
* 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 == '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';
}
}
}
/**
* Builds and returns the rows that will make up the left part of the grader 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 = 0; // always for LAE
$strfeedback = $this->get_lang_string("feedback");
$strgrade = $this->get_lang_string('grade');
$adminextrafields = $CFG->grade_report_laegrader_extrafields == 1 ? 1 : 0 ;
$userextrafields = get_user_preferences( 'grade_report_laegrader_extrafields' );
if ( !(isset($userextrafields)) ) { $userextrafields = $adminextrafields; }
if ( $userextrafields == 1 ) {
$this->extrafields = get_extra_user_fields($this->context);
}
else {
$this->extrafields = array();
}
$extrafields = $this->extrafields;
$arrows = $this->get_sort_arrows($extrafields);
$colspan = 1;
if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
$colspan++;
}
$colspan += count($extrafields);
$levels = count($this->gtree->levels) - 1;
$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';
// LAE here's where we insert the "Copy to Excel" button
$output = '<div class="inlinebutton" title="' . get_string('copytoexcel', 'gradereport_laegrader') . '">';
$output .= '<a href="' . $CFG->wwwroot . '/grade/report/laegrader/index.php?id=' . $this->courseid
. '&action=quick-dump" class="inlinebutton"><img src="' . $CFG->wwwroot . '/grade/report/laegrader/images/copytoexcel.png" /></a></div>';
$studentheader->text = $output . $arrows['studentname'];
$headerrow->cells[] = $studentheader;
if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
$userheader = new html_table_cell();
$userheader->attributes['class'] = 'header';
$userheader->scope = 'col';
$userheader->header = true;
$userheader->id = 'userreport';
$headerrow->cells[] = $userheader;
}
foreach ($extrafields as $field) {
$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);
$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);
$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];
$itemrow->attributes['class'] = $rowclasses[$this->rowcount % 2];
$usercell = new html_table_cell();
$usercell->attributes['class'] = 'user';
$usercell->header = true;
$usercell->scope = 'row';
if ($showuserimage) {
$usercell->text = $OUTPUT->user_picture($user);
}
$usercell->text .= html_writer::link(new moodle_url('/user/view.php', array('id' => $user->id, 'course' => $this->course->id)), fullname($user));
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[] = $usercell;
if (has_capability('gradereport/'.$CFG->grade_profilereport.':view', $this->context)) {
$userreportcell = new html_table_cell();
$userreportcell->attributes['class'] = 'userreport ' . $rowclasses[$this->rowcount % 2];
// $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, null, array('class'=>' usergradesicon')));
$userrow->cells[] = $userreportcell;
}
foreach ($extrafields as $field) {
$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;
}
return $rows;
}
/**
* Builds and returns the rows that will make up the right part of the grader 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();
$accuratetotals = $this->accuratetotals;
$showtotalsifcontainhidden = $this->showtotalsifcontainhidden[$this->courseid];
// substituting shorthand for long object variables
$items = $this->gtree->items;
/**** ACCURATE TOTALS CALCULATIONS must be done before ranges *****/
if ($accuratetotals) {
foreach ($this->users as $userid => $user) {
$this->gtree->accuratepointsprelimcalculation($this->grades[$userid]);
}
}
/***** ACCURATE TOTALS END *****/
$jsarguments = array(
'id' => '#fixed_column',
'cfg' => array('ajaxenabled'=>false),
'items' => array(),
'users' => array(),
'feedback' => array()
);
$jsscales = array();
$headingrow = new html_table_row();
$headingrow->attributes['class'] = 'heading_name_row';
// these vars used to color backgrounds of items belonging to particular categories since our header display is flat
$catcolors = array(' catblue ', ' catorange ');
$catcolorindex = 0;
$catcolor = 0;
$currentcatcolor = '';
foreach ($this->gtree->levelitems as $key=>$element) {
$coursecat = substr($this->gtree->top_element['eid'],1,9);
if ($element['object']->categoryid === $coursecat || $element['type'] == 'courseitem') {
$currentcatcolor = ''; // individual items belonging to the course category and course total are white background
} elseif ($element['type'] !== 'categoryitem' && $element['object']->categoryid !== $catcolor) { // alternate background colors for
$catcolor = $element['object']->categoryid;
$catcolorindex++;
$currentcatcolor = $catcolors[$catcolorindex % 2];
}
$sortlink = clone($this->baseurl);
$sortlink->param('sortitemid', $key); // itemid
$eid = $element['eid'];
$object = $element['object'];
$type = $element['type'];
$categorystate = @$element['categorystate'];
$colspan = 1;
$catlevel = '';
if ($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', $sortlink);
}
if (!$USER->gradeediting[$this->courseid]) {
$display = $this->gtree->get_changedisplay_icon($element);
} else {
$display = null;
}
// LAE this line calls a local instance of get_element_header with the name of the grade item or category
$headerlink = $this->gtree->get_element_header_local($element, true, $this->get_pref('showactivityicons'), false, $this->columnwidth,$this->gtree->items[$key]->itemname);
$itemcell = new html_table_cell();
$itemcell->attributes['class'] = $type . ' ' . $catlevel . 'highlightable' . $currentcatcolor;
if ($element['object']->is_hidden()) {
$itemcell->attributes['class'] .= ' gray';
}
$itemcell->colspan = 1; // $colspan;
$itemcell->text = $display . ' ' . $headerlink . $arrow;
$itemcell->header = true;
$itemcell->scope = 'col';
$headingrow->cells[] = $itemcell;
}
if (!$this->aggregationposition) {
$headingrow->cells = array_reverse($headingrow->cells);
}
$rows[] = $headingrow;
$rows = $this->get_right_icons_row($rows);
$rows = $this->get_right_range_row($rows);
$rows = $this->get_right_avg_row($rows, true);
$rows = $this->get_right_avg_row($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;
// $gradetabindex++;
}
$scalesarray = array();
if (!empty($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];
$jsarguments['users'][$userid] = fullname($user);
foreach ($items as $itemid=>$unused) {
$item =& $items[$itemid];
$type = $item->itemtype;
$grade = $this->grades[$userid][$itemid];
// hack, shorthand for a long variable
if ($accuratetotals) {
$parent_id = $type !== 'course' ? $this->gtree->parents[$itemid]->parent_id : $itemid; // the parent record contains an id field pointing to its parent, the key on the parent record is the item itself to allow lookup
}
// end hack
$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 = $grade->finalgrade;
}
if (!empty($grade->finalgrade)) {
$gradevalforJS = null;
if ($item->scaleid && !empty($scalesarray[$item->scaleid])) {
$gradevalforJS = (int)$gradeval;
} else {
$gradevalforJS = format_float($gradeval, $decimalpoints);
}
$jsarguments['grades'][] = array('user'=>$userid, 'item'=>$itemid, 'grade'=>$gradevalforJS);
}
// 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
$itemcell->text = html_writer::tag('span', userdate($grade->get_datesubmitted(),get_string('strftimedatetimeshort')), array('class'=>'datesubmitted'));
} else {
$itemcell->text = '-';
}
$itemrow->cells[] = $itemcell;
continue;
}
// emulate grade element
$eid = $element['eid'];
$element = array('eid'=>$eid, 'object'=>$grade, 'type'=>'grade');
$itemid = $element['object']->grade_item->id;
$itemcell->attributes['class'] .= ' grade';
if ($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';
}
$hidden = '';
if ($grade->is_hidden() || $item->is_hidden()) {
$hidden = ' gray ';
}
if (!empty($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'));
}
$gradepass = ' gradefail ';
if ($grade->is_passed($item)) {
$gradepass = ' gradepass ';
} elseif (is_null($grade->is_passed($item))) {
$gradepass = '';
}
// if in editing mode, we need to print either a text box
// or a drop down (for scales)
// category or course grades are not directly editable
if ($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');
}
$attributes = array('tabindex' => $tabindices[$item->id]['grade'], 'id'=>'grade_'.$userid.'_'.$item->id);
$itemcell->text .= html_writer::label(get_string('typescale', 'grades'), $attributes['id'], false, array('class' => 'accesshide'));
$itemcell->text .= html_writer::select($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 = $item->bounded_grade($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
// We always want to display the correct (first) displaytype when editing
$gradedisplaytype = (integer) substr( (string) $item->get_displaytype(),0,1);
// if we have an accumulated total points that's not accurately reflected in the db, then we want to display the ACCURATE number
// If the settings don't call for ACCURATE point totals ($this->accuratetotals) then there will be no earned_total value
if (isset($grade->cat_item)) { // if cat_item is set THIS IS A CATEGORY OR COURSE and we are using accurate totals
$gradeval = $this->gtree->accuratepointsfinalvalues($this->grades[$userid], $itemid, $item, $type, $parent_id, $gradedisplaytype);
}
if ($this->get_pref('quickgrading') and $grade->is_editable()) {
// regular display if an item or accuratetotals is off, categories aren't editable with accuratetotals
if (! $this->accuratetotals || (! $item->is_course_item() and ! $item->is_category_item())) {
$value = format_float($gradeval, $decimalpoints);
$gradelabel = fullname($user) . ' ' . $item->itemname;
$itemcell->text .= '<label class="accesshide" for="grade_'.$userid.'_'.$item->id.'">'
.get_string('useractivitygrade', 'gradereport_grader', $gradelabel).'</label>';
$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.'" rel="' . $item->id . '" />';
} else {
$itemcell->text .= html_writer::tag('span', grade_format_gradevalue($gradeval, $item, true, $gradedisplaytype, null), array('class'=>"gradevalue$hidden$gradepass"));
}
}
}
// If quickfeedback is on, print an input element
if ($this->get_pref('showquickfeedback') and $grade->is_editable()) {
$feedbacklabel = fullname($user) . ' ' . $item->itemname;
$itemcell->text .= '<label class="accesshide" for="feedback_'.$userid.'_'.$item->id.'">'
.get_string('useractivityfeedback', 'gradereport_grader', $feedbacklabel).'</label>';
$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
// can only use the first display type as different gradevals would need to be sent for real and letter/precentage
$gradedisplaytype = $item->get_displaytype();
if ($item->scaleid && !empty($scalesarray[$item->scaleid])) {
$itemcell->attributes['class'] .= ' grade_type_scale';
} else if ($item->gradetype != GRADE_TYPE_TEXT) {
$itemcell->attributes['class'] .= ' grade_type_text';
}
if ($this->get_pref('enableajax')) {
$itemcell->attributes['class'] .= ' clickable';
}
// hack
// if we have an accumulated total points that's not accurately reflected in the db, then we want to display the ACCURATE number
// If the settings don't call for ACCURATE point totals ($this->accuratetotals) then there will be no cat_item value
$gradedisplaytype1 = (integer) substr( (string) $gradedisplaytype,0,1);
$gradedisplaytype2 = $gradedisplaytype > 10 ? (integer) substr( (string) $gradedisplaytype,1,1) : null;
if (isset($grade->cat_item)) { // if cat_item is set THIS IS A CATEGORY
$gradeval = $this->gtree->accuratepointsfinalvalues($this->grades[$userid], $itemid, $item, $type, $parent_id, $gradedisplaytype1);
}
$formattedgradeval = grade_format_gradevalue($gradeval, $item, true, $gradedisplaytype1, null); // item can use standard method of double formatting if present
// second round for the second display type if present for a category, items are taken care of the regular way
if (isset($gradedisplaytype2)) {
if (isset($grade->cat_item)) { // if cat_item is set THIS IS A CATEGORY
$gradeval = $this->gtree->accuratepointsfinalvalues($this->grades[$userid], $itemid, $item, $type, $parent_id, $gradedisplaytype2);
}
$formattedgradeval .= ' (' . grade_format_gradevalue($gradeval, $item, true, $gradedisplaytype2, null) . ')';
}
$itemcell->text .= html_writer::tag('span', $formattedgradeval, array('class'=>"gradevalue$hidden$gradepass"));
// end of hack
if ($this->get_pref('showanalysisicon')) {
$itemcell->text .= $this->gtree->get_grade_analysis_icon($grade);
}
}
if (!empty($this->gradeserror[$item->id][$userid])) {
$itemcell->text .= $this->gradeserror[$item->id][$userid];
}
// Do not show any icons if no grade (no record in DB to match)
if (!$item->needsupdate and $USER->gradeediting[$this->courseid]) {
$itemcell->text .= $this->get_icons($element);
}
$itemcell->attributes['class'] .= $hidden;
$itemrow->cells[] = $itemcell;
}
$rows[] = $itemrow;
}
if ($this->get_pref('enableajax')) {
$jsarguments['cfg']['ajaxenabled'] = true;
$jsarguments['cfg']['scales'] = array();
foreach ($jsscales as $scale) {
$jsarguments['cfg']['scales'][$scale->id] = explode(',',$scale->scale);
}
$jsarguments['cfg']['feedbacktrunclength'] = $this->feedback_trunc_length;
//feedbacks are now being stored in $jsarguments['feedback'] in get_right_rows()
//$jsarguments['cfg']['feedback'] = $this->feedbacks;
}
$jsarguments['cfg']['isediting'] = (bool)$USER->gradeediting[$this->courseid];
$jsarguments['cfg']['courseid'] = $this->courseid;
$jsarguments['cfg']['studentsperpage'] = $this->get_pref('studentsperpage');
$jsarguments['cfg']['showquickfeedback'] = (bool)$this->get_pref('showquickfeedback');
return $rows;
}
/**
* Depending on the style of report (fixedstudents vs traditional one-table),
* arranges the rows of data in one or two tables, and returns the output of
* these tables in HTML
* @return string HTML
*/
public function get_grade_table() {
global $OUTPUT;
$fixedstudents = 0; // always for laegrader report
// $fixedstudents = $this->is_fixed_students();
$leftrows = $this->get_left_rows();
$rightrows = $this->get_right_rows();
$html = '';
$fulltable = new html_table();
$fulltable->attributes['class'] = 'laegradestable';
$fulltable->id = 'lae-user-grades';
// Extract rows from each side (left and right) and collate them into one row each
foreach ($leftrows as $key => $row) {
$row->cells = array_merge($row->cells, $rightrows[$key]->cells);
$fulltable->data[] = $row;
}
$html .= html_writer::table($fulltable);
return $OUTPUT->container($html, 'gradeparent');
}
/**
* Builds and return the row of icons for the left side of the report.