mirror of
https://github.com/moodle/moodle.git
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1195 lines
49 KiB
PHP
1195 lines
49 KiB
PHP
<?php // $Id$
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.com //
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// //
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// Copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation; either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details: //
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// //
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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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/**
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* File in which the grader_report class is defined.
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* @package gradebook
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*/
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require_once($CFG->dirroot . '/grade/report/lib.php');
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require_once($CFG->libdir.'/tablelib.php');
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/**
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* Class providing an API for the grader report building and displaying.
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* @uses grade_report
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* @package gradebook
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*/
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class grade_report_grader extends grade_report {
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/**
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* The final grades.
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* @var array $grades
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*/
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var $grades;
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/**
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* Array of errors for bulk grades updating.
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* @var array $gradeserror
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*/
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var $gradeserror = array();
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//// SQL-RELATED
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/**
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* The id of the grade_item by which this report will be sorted.
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* @var int $sortitemid
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*/
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var $sortitemid;
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/**
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* Sortorder used in the SQL selections.
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* @var int $sortorder
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*/
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var $sortorder;
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/**
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* An SQL fragment affecting the search for users.
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* @var string $userselect
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*/
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var $userselect;
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/**
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* List of collapsed categories from user preference
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* @var array $collapsed
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*/
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var $collapsed;
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/**
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* A count of the rows, used for css classes.
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* @var int $rowcount
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*/
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var $rowcount = 0;
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/**
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* Capability check caching
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* */
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var $canviewhidden;
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/**
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* Constructor. Sets local copies of user preferences and initialises grade_tree.
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* @param int $courseid
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* @param object $gpr grade plugin return tracking object
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* @param string $context
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* @param int $page The current page being viewed (when report is paged)
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* @param int $sortitemid The id of the grade_item by which to sort the table
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*/
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function grade_report_grader($courseid, $gpr, $context, $page=null, $sortitemid=null) {
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global $CFG;
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parent::grade_report($courseid, $gpr, $context, $page);
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$this->canviewhidden = has_capability('moodle/grade:viewhidden', get_context_instance(CONTEXT_COURSE, $this->course->id));
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// load collapsed settings for this report
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if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories')) {
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$this->collapsed = unserialize($collapsed);
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} else {
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$this->collapsed = array('aggregatesonly' => array(), 'gradesonly' => array());
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}
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if (empty($CFG->enableoutcomes)) {
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$nooutcomes = false;
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} else {
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$nooutcomes = get_user_preferences('grade_report_shownooutcomes');
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}
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// if user report preference set or site report setting set use it, otherwise use course or site setting
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$switch = $this->get_pref('aggregationposition');
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if ($switch == GRADE_REPORT_PREFERENCE_INHERIT) {
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$switch = grade_get_setting($this->courseid, 'aggregationposition', $CFG->grade_aggregationposition);
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}
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// Grab the grade_tree for this course
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$this->gtree = new grade_tree($this->courseid, true, $switch, $this->collapsed, $nooutcomes);
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$this->sortitemid = $sortitemid;
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// base url for sorting by first/last name
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$studentsperpage = $this->get_pref('studentsperpage');
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$perpage = '';
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$curpage = '';
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if (!empty($studentsperpage)) {
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$perpage = '&perpage='.$studentsperpage;
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$curpage = '&page='.$this->page;
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}
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$this->baseurl = 'index.php?id='.$this->courseid. $perpage.$curpage.'&';
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$this->pbarurl = 'index.php?id='.$this->courseid.$perpage.'&';
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// Setup groups if requested
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if ($this->get_pref('showgroups')) {
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$this->setup_groups();
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}
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$this->setup_sortitemid();
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}
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/**
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* Processes the data sent by the form (grades and feedbacks).
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* @var array $data
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* @return bool Success or Failure (array of errors).
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*/
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function process_data($data) {
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if (!has_capability('moodle/grade:edit', $this->context)) {
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return false;
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}
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// always initialize all arrays
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$queue = array();
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foreach ($data as $varname => $postedvalue) {
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$needsupdate = false;
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// skip, not a grade nor feedback
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if (strpos($varname, 'grade') === 0) {
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$data_type = 'grade';
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} else if (strpos($varname, 'feedback') === 0) {
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$data_type = 'feedback';
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} else {
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continue;
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}
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$gradeinfo = explode("_", $varname);
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$userid = clean_param($gradeinfo[1], PARAM_INT);
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$itemid = clean_param($gradeinfo[2], PARAM_INT);
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$oldvalue = $data->{'old'.$varname};
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// was change requested?
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if ($oldvalue == $postedvalue) {
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continue;
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}
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if (!$grade_item = grade_item::fetch(array('id'=>$itemid, 'courseid'=>$this->courseid))) { // we must verify course id here!
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error('Incorrect grade item id');
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}
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// Pre-process grade
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if ($data_type == 'grade') {
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$feedback = false;
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$feedbackformat = false;
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if ($grade_item->gradetype == GRADE_TYPE_SCALE) {
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if ($postedvalue == -1) { // -1 means no grade
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$finalgrade = null;
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} else {
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$finalgrade = $postedvalue;
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}
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} else {
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$finalgrade = unformat_float($postedvalue);
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}
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} else if ($data_type == 'feedback') {
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$finalgrade = false;
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$trimmed = trim($postedvalue);
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if (empty($trimmed)) {
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$feedback = NULL;
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} else {
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$feedback = stripslashes($postedvalue);
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}
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}
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$grade_item->update_final_grade($userid, $finalgrade, 'gradebook', $feedback, FORMAT_MOODLE);
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}
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return true;
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}
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/**
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* Setting the sort order, this depends on last state
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* all this should be in the new table class that we might need to use
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* for displaying grades.
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*/
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function setup_sortitemid() {
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global $SESSION;
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if ($this->sortitemid) {
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if (!isset($SESSION->gradeuserreport->sort)) {
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if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
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$this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
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} else {
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$this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
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}
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} else {
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// this is the first sort, i.e. by last name
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if (!isset($SESSION->gradeuserreport->sortitemid)) {
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if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
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$this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
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} else {
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$this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
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}
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} else if ($SESSION->gradeuserreport->sortitemid == $this->sortitemid) {
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// same as last sort
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if ($SESSION->gradeuserreport->sort == 'ASC') {
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$this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
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} else {
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$this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
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}
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} else {
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if ($this->sortitemid == 'firstname' || $this->sortitemid == 'lastname') {
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$this->sortorder = $SESSION->gradeuserreport->sort = 'ASC';
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} else {
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$this->sortorder = $SESSION->gradeuserreport->sort = 'DESC';
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}
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}
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}
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$SESSION->gradeuserreport->sortitemid = $this->sortitemid;
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} else {
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// not requesting sort, use last setting (for paging)
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if (isset($SESSION->gradeuserreport->sortitemid)) {
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$this->sortitemid = $SESSION->gradeuserreport->sortitemid;
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}
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if (isset($SESSION->gradeuserreport->sort)) {
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$this->sortorder = $SESSION->gradeuserreport->sort;
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} else {
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$this->sortorder = 'ASC';
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}
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}
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}
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/**
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* pulls out the userids of the users to be display, and sort them
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* the right outer join is needed because potentially, it is possible not
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* to have the corresponding entry in grade_grades table for some users
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* this is check for user roles because there could be some users with grades
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* but not supposed to be displayed
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*/
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function load_users() {
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global $CFG;
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if (is_numeric($this->sortitemid)) {
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$sql = "SELECT u.id, u.firstname, u.lastname
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FROM {$CFG->prefix}grade_grades g RIGHT OUTER JOIN
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{$CFG->prefix}user u ON (u.id = g.userid AND g.itemid = $this->sortitemid)
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LEFT JOIN {$CFG->prefix}role_assignments ra ON u.id = ra.userid
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$this->groupsql
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WHERE ra.roleid in ($this->gradebookroles)
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$this->groupwheresql
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AND ra.contextid ".get_related_contexts_string($this->context)."
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ORDER BY g.finalgrade $this->sortorder";
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$this->users = get_records_sql($sql, $this->get_pref('studentsperpage') * $this->page,
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$this->get_pref('studentsperpage'));
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} else {
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// default sort
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// get users sorted by lastname
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// If lastname or firstname is given as sortitemid, add the other name (firstname or lastname respectively) as second sort param
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$sort2 = '';
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if ($this->sortitemid == 'lastname') {
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$sort2 = ', u.firstname ' . $this->sortorder;
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} elseif ($this->sortitemid == 'firstname') {
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$sort2 = ', u.lastname ' . $this->sortorder;
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}
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$roles = explode(',', $this->gradebookroles);
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$this->users = get_role_users($roles, $this->context, false,
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'u.id, u.firstname, u.lastname', 'u.'.$this->sortitemid .' '. $this->sortorder . $sort2,
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false, $this->currentgroup, $this->page * $this->get_pref('studentsperpage'), $this->get_pref('studentsperpage'));
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}
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if (empty($this->users)) {
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$this->userselect = '';
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$this->users = array();
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} else {
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$this->userselect = 'AND g.userid in ('.implode(',', array_keys($this->users)).')';
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}
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return $this->users;
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}
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/**
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* Fetches and returns a count of all the users that will be shown on this page.
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* @param bool $groups Whether to apply groupsql
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* @return int Count of users
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*/
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function get_numusers($groups=true) {
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global $CFG;
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$countsql = "SELECT COUNT(DISTINCT u.id)
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FROM {$CFG->prefix}grade_grades g RIGHT OUTER JOIN
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{$CFG->prefix}user u ON (u.id = g.userid AND g.itemid = $this->sortitemid)
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LEFT JOIN {$CFG->prefix}role_assignments ra ON u.id = ra.userid ";
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if ($groups) {
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$countsql .= $this->groupsql;
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}
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$countsql .= " WHERE ra.roleid in ($this->gradebookroles) ";
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if ($groups) {
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$countsql .= $this->groupwheresql;
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}
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$countsql .= " AND ra.contextid ".get_related_contexts_string($this->context);
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return count_records_sql($countsql);
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}
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/**
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* we supply the userids in this query, and get all the grades
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* pulls out all the grades, this does not need to worry about paging
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*/
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function load_final_grades() {
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global $CFG;
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// please note that we must fetch all grade_grades fields if we want to contruct grade_grade object from it!
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$sql = "SELECT g.*
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FROM {$CFG->prefix}grade_items gi,
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{$CFG->prefix}grade_grades g
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WHERE g.itemid = gi.id AND gi.courseid = {$this->courseid} {$this->userselect}";
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$userids = array_keys($this->users);
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if ($grades = get_records_sql($sql)) {
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foreach ($grades as $graderec) {
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if (in_array($graderec->userid, $userids) and array_key_exists($graderec->itemid, $this->gtree->items)) { // some items may not be present!!
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$this->grades[$graderec->userid][$graderec->itemid] = new grade_grade($graderec, false);
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$this->grades[$graderec->userid][$graderec->itemid]->grade_item =& $this->gtree->items[$graderec->itemid]; // db caching
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}
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}
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}
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// prefil grades that do not exist yet
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foreach ($userids as $userid) {
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foreach ($this->gtree->items as $itemid=>$unused) {
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if (!isset($this->grades[$userid][$itemid])) {
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$this->grades[$userid][$itemid] = new grade_grade();
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$this->grades[$userid][$itemid]->itemid = $itemid;
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$this->grades[$userid][$itemid]->userid = $userid;
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$this->grades[$userid][$itemid]->grade_item =& $this->gtree->items[$itemid]; // db caching
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}
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}
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}
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}
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/**
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* Builds and returns a div with on/off toggles.
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* @return string HTML code
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*/
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function get_toggles_html() {
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global $CFG, $USER;
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$html = '<div id="grade-report-toggles">';
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if ($USER->gradeediting[$this->courseid]) {
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if (has_capability('moodle/grade:manage', $this->context) or has_capability('moodle/grade:hide', $this->context)) {
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$html .= $this->print_toggle('eyecons', true);
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}
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if (has_capability('moodle/grade:manage', $this->context)
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or has_capability('moodle/grade:lock', $this->context)
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or has_capability('moodle/grade:unlock', $this->context)) {
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$html .= $this->print_toggle('locks', true);
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}
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if (has_capability('moodle/grade:manage', $this->context)) {
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$html .= $this->print_toggle('calculations', true);
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}
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}
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if ($this->canviewhidden) {
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$html .= $this->print_toggle('averages', true);
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}
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if (has_capability('moodle/grade:viewall', $this->context)
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and has_capability('moodle/site:accessallgroups', $this->context)
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and $course_has_groups = true) { // TODO replace that last condition with proper check
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$html .= $this->print_toggle('groups', true);
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}
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$html .= $this->print_toggle('ranges', true);
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if (!empty($CFG->enableoutcomes)) {
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$html .= $this->print_toggle('nooutcomes', true);
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}
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$html .= '</div>';
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return $html;
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}
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/**
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* Shortcut function for printing the grader report toggles.
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* @param string $type The type of toggle
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* @param bool $return Whether to return the HTML string rather than printing it
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* @return void
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*/
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function print_toggle($type, $return=false) {
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global $CFG;
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$icons = array('eyecons' => 't/hide.gif',
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'calculations' => 't/calc.gif',
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'locks' => 't/lock.gif',
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'averages' => 't/mean.gif',
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'nooutcomes' => 't/outcomes.gif');
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$pref_name = 'grade_report_show' . $type;
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if (array_key_exists($pref_name, $CFG)) {
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$show_pref = get_user_preferences($pref_name, $CFG->$pref_name);
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} else {
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$show_pref = get_user_preferences($pref_name);
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}
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$strshow = $this->get_lang_string('show' . $type, 'grades');
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$strhide = $this->get_lang_string('hide' . $type, 'grades');
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$show_hide = 'show';
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$toggle_action = 1;
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if ($show_pref) {
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$show_hide = 'hide';
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$toggle_action = 0;
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}
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if (array_key_exists($type, $icons)) {
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$image_name = $icons[$type];
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} else {
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$image_name = "t/$type.gif";
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}
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$string = ${'str' . $show_hide};
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$img = '<img src="'.$CFG->pixpath.'/'.$image_name.'" class="iconsmall" alt="'
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.$string.'" title="'.$string.'" />'. "\n";
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$retval = '<div class="gradertoggle">' . $img . '<a href="' . $this->baseurl . "&toggle=$toggle_action&toggle_type=$type\">"
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. $string . '</a></div>';
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if ($return) {
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return $retval;
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} else {
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echo $retval;
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}
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}
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/**
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* Builds and returns the HTML code for the headers.
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* @return string $headerhtml
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*/
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function get_headerhtml() {
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global $CFG, $USER;
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$strsortasc = $this->get_lang_string('sortasc', 'grades');
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$strsortdesc = $this->get_lang_string('sortdesc', 'grades');
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$strfirstname = $this->get_lang_string('firstname');
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$strlastname = $this->get_lang_string('lastname');
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if ($this->sortitemid === 'lastname') {
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if ($this->sortorder == 'ASC') {
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$lastarrow = print_arrow('up', $strsortasc, true);
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} else {
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$lastarrow = print_arrow('down', $strsortdesc, true);
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}
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} else {
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$lastarrow = '';
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}
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|
|
if ($this->sortitemid === 'firstname') {
|
|
if ($this->sortorder == 'ASC') {
|
|
$firstarrow = print_arrow('up', $strsortasc, true);
|
|
} else {
|
|
$firstarrow = print_arrow('down', $strsortdesc, true);
|
|
}
|
|
} else {
|
|
$firstarrow = '';
|
|
}
|
|
// Prepare Table Headers
|
|
$headerhtml = '';
|
|
|
|
$numrows = count($this->gtree->levels);
|
|
|
|
$columns_to_unset = array();
|
|
|
|
|
|
foreach ($this->gtree->levels as $key=>$row) {
|
|
$columncount = 0;
|
|
if ($key == 0) {
|
|
// do not display course grade category
|
|
// continue;
|
|
}
|
|
|
|
$headerhtml .= '<tr class="heading r'.$this->rowcount++.'">';
|
|
|
|
if ($key == $numrows - 1) {
|
|
$headerhtml .= '<th class="header c'.$columncount++.'" scope="col"><a href="'.$this->baseurl.'&sortitemid=firstname">'
|
|
. $strfirstname . '</a> '
|
|
. $firstarrow. '/ <a href="'.$this->baseurl.'&sortitemid=lastname">' . $strlastname . '</a>'. $lastarrow .'</th>';
|
|
} else {
|
|
$headerhtml .= '<td class="cell c'.$columncount++.' topleft"> </td>';
|
|
}
|
|
|
|
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') {
|
|
$headerhtml .= '<th class="'.$columnclass.' '.$type.$catlevel.'" '.$colspan.' scope="col"> </th>';
|
|
}
|
|
// Element is a category
|
|
else if ($type == 'category') {
|
|
$headerhtml .= '<th class="header '. $columnclass.' category'.$catlevel.'" '.$colspan.' scope="col">'
|
|
. shorten_text($element['object']->get_name());
|
|
$headerhtml .= $this->get_collapsing_icon($element);
|
|
|
|
// Print icons
|
|
if ($USER->gradeediting[$this->courseid]) {
|
|
$headerhtml .= $this->get_icons($element);
|
|
}
|
|
|
|
$headerhtml .= '</th>';
|
|
}
|
|
// 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);
|
|
$headerhtml .= '<th class="header '.$columnclass.' '.$type.$catlevel.$hidden.'" scope="col" onclick="set_col(this.cellIndex)">'
|
|
. shorten_text($headerlink) . $arrow;
|
|
$headerhtml .= '</th>';
|
|
}
|
|
|
|
}
|
|
|
|
$headerhtml .= '</tr>';
|
|
}
|
|
return $headerhtml;
|
|
}
|
|
|
|
/**
|
|
* Builds and return the HTML rows of the table (grades headed by student).
|
|
* @return string HTML
|
|
*/
|
|
function get_studentshtml() {
|
|
global $CFG, $USER;
|
|
|
|
$studentshtml = '';
|
|
$strfeedback = $this->get_lang_string("feedback");
|
|
$strgrade = $this->get_lang_string('grade');
|
|
$gradetabindex = 1;
|
|
$showuserimage = $this->get_pref('showuserimage');
|
|
$numusers = count($this->users);
|
|
|
|
// Preload scale objects for items with a scaleid
|
|
$scales_list = '';
|
|
$tabindices = array();
|
|
|
|
foreach ($this->gtree->items as $item) {
|
|
if (!empty($item->scaleid)) {
|
|
$scales_list .= "$item->scaleid,";
|
|
}
|
|
|
|
$tabindices[$item->id]['grade'] = $gradetabindex;
|
|
$tabindices[$item->id]['feedback'] = $gradetabindex + $numusers;
|
|
$gradetabindex += $numusers * 2;
|
|
}
|
|
$scales_array = array();
|
|
|
|
if (!empty($scales_list)) {
|
|
$scales_list = substr($scales_list, 0, -1);
|
|
$scales_array = get_records_list('scale', 'id', $scales_list);
|
|
}
|
|
|
|
foreach ($this->users as $userid => $user) {
|
|
|
|
if ($this->canviewhidden) {
|
|
$altered = array();
|
|
$unknown = array();
|
|
} else {
|
|
$hiding_affected = grade_grade::get_hiding_affected($this->grades[$userid], $this->gtree->items);
|
|
$altered = $hiding_affected['altered'];
|
|
$unknown = $hiding_affected['unknown'];
|
|
unset($hiding_affected);
|
|
}
|
|
|
|
$columncount = 0;
|
|
// Student name and link
|
|
$user_pic = null;
|
|
if ($showuserimage) {
|
|
$user_pic = '<div class="userpic">' . print_user_picture($user->id, $this->courseid, true, 0, true) . '</div>';
|
|
}
|
|
|
|
$studentshtml .= '<tr class="r'.$this->rowcount++.'"><th class="header c'.$columncount++.' user" scope="row" onclick="set_row(this.parentNode.rowIndex);">'.$user_pic
|
|
.'<a href="'.$CFG->wwwroot.'/user/view.php?id='.$user->id.'&course='.$this->course->id.'">'
|
|
.fullname($user).'</a></th>';
|
|
|
|
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
|
|
$studentshtml .= '<td class="cell c'.$columncount++.'"><span class="datesubmitted">'.userdate($grade->get_datesubmitted(),get_string('strftimedatetimeshort')).'</span></td>';
|
|
} else {
|
|
$studentshtml .= '<td class="cell c'.$columncount++.'">-</td>';
|
|
}
|
|
continue;
|
|
}
|
|
|
|
// emulate grade element
|
|
$eid = $this->gtree->get_grade_eid($grade);
|
|
$element = array('eid'=>$eid, 'object'=>$grade, 'type'=>'grade');
|
|
|
|
$cellclasses = 'cell c'.$columncount++;
|
|
if ($item->is_category_item()) {
|
|
$cellclasses .= ' cat';
|
|
}
|
|
if ($item->is_course_item()) {
|
|
$cellclasses .= ' course';
|
|
}
|
|
if ($grade->is_overridden()) {
|
|
$cellclasses .= ' overridden';
|
|
}
|
|
|
|
$studentshtml .= '<td class="'.$cellclasses.'">';
|
|
|
|
if ($grade->is_excluded()) {
|
|
$studentshtml .= get_string('excluded', 'grades'); // TODO: improve visual representation of excluded grades
|
|
}
|
|
|
|
// Do not show any icons if no grade (no record in DB to match)
|
|
if (!$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)) {
|
|
$gradepass = ' gradepass ';
|
|
}
|
|
|
|
// if in editting mode, we need to print either a text box
|
|
// or a drop down (for scales)
|
|
// grades in item of type grade category or course are not directly editable
|
|
if ($item->needsupdate) {
|
|
$studentshtml .= '<span class="gradingerror'.$hidden.'">'.get_string('error').'</span>';
|
|
|
|
} else if ($USER->gradeediting[$this->courseid]) {
|
|
|
|
if ($item->scaleid && !empty($scales_array[$item->scaleid])) {
|
|
$scale = $scales_array[$item->scaleid];
|
|
|
|
$scales = explode(",", $scale->scale);
|
|
// reindex because scale is off 1
|
|
|
|
// MDL-12104 some previous scales might have taken up part of the array
|
|
// so this needs to be reset
|
|
unset($scaleopt);
|
|
$i = 0;
|
|
foreach ($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');
|
|
}
|
|
$studentshtml .= '<input type="hidden" name="oldgrade_'.$userid.'_'
|
|
.$item->id.'" value="'.$oldval.'"/>';
|
|
$studentshtml .= choose_from_menu($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 ((int) $gradeval < 1) {
|
|
$studentshtml .= '<span class="gradevalue'.$hidden.$gradepass.'">-</span>';
|
|
} else {
|
|
$gradeval = (int)bounded_number($grade->grade_item->grademin, $gradeval, $grade->grade_item->grademax); //just in case somebody changes scale
|
|
$studentshtml .= '<span class="gradevalue'.$hidden.$gradepass.'">'.$scales[$gradeval-1].'</span>';
|
|
}
|
|
} else {
|
|
// no such scale, throw error?
|
|
}
|
|
|
|
} else if ($item->gradetype != GRADE_TYPE_TEXT) { // Value type
|
|
if ($this->get_pref('quickgrading') and $grade->is_editable()) {
|
|
$value = format_float($gradeval, $decimalpoints);
|
|
$studentshtml .= '<input type="hidden" name="oldgrade_'.$userid.'_'.$item->id.'" value="'.$value.'" />';
|
|
$studentshtml .= '<input size="6" tabindex="' . $tabindices[$item->id]['grade']
|
|
. '" type="text" title="'. $strgrade .'" name="grade_'
|
|
.$userid.'_' .$item->id.'" value="'.$value.'" />';
|
|
} else {
|
|
$studentshtml .= '<span class="gradevalue'.$hidden.$gradepass.'">'.format_float($gradeval, $decimalpoints).'</span>';
|
|
}
|
|
}
|
|
|
|
|
|
// If quickfeedback is on, print an input element
|
|
if ($this->get_pref('quickfeedback') and $grade->is_editable()) {
|
|
if ($this->get_pref('quickgrading')) {
|
|
$studentshtml .= '<br />';
|
|
}
|
|
$studentshtml .= '<input type="hidden" name="oldfeedback_'
|
|
.$userid.'_'.$item->id.'" value="' . s($grade->feedback) . '" />';
|
|
$studentshtml .= '<input class="quickfeedback" tabindex="' . $tabindices[$item->id]['feedback']
|
|
. '" size="6" title="' . $strfeedback . '" type="text" name="feedback_'
|
|
.$userid.'_'.$item->id.'" value="' . s($grade->feedback) . '" />';
|
|
}
|
|
|
|
} else { // Not editing
|
|
$gradedisplaytype = $item->get_displaytype();
|
|
|
|
// If feedback present, surround grade with feedback tooltip: Open span here
|
|
if (!empty($grade->feedback)) {
|
|
$overlib = '';
|
|
$feedback = addslashes_js(trim(format_string($grade->feedback, $grade->feedbackformat)));
|
|
$overlib = "return overlib('$feedback', BORDER, 0, FGCLASS, 'feedback', "
|
|
."CAPTIONFONTCLASS, 'caption', CAPTION, '$strfeedback');";
|
|
$studentshtml .= '<span onmouseover="'.s($overlib).'" onmouseout="return nd();">';
|
|
}
|
|
|
|
if ($item->needsupdate) {
|
|
$studentshtml .= '<span class="gradingerror'.$hidden.$gradepass.'">'.get_string('error').'</span>';
|
|
|
|
} else {
|
|
$studentshtml .= '<span class="gradevalue'.$hidden.$gradepass.'">'.grade_format_gradevalue($gradeval, $item, true, $gradedisplaytype, null).'</span>';
|
|
}
|
|
|
|
// Close feedback span
|
|
if (!empty($grade->feedback)) {
|
|
$studentshtml .= '</span>';
|
|
}
|
|
}
|
|
|
|
if (!empty($this->gradeserror[$item->id][$userid])) {
|
|
$studentshtml .= $this->gradeserror[$item->id][$userid];
|
|
}
|
|
|
|
$studentshtml .= '</td>' . "\n";
|
|
}
|
|
$studentshtml .= '</tr>';
|
|
}
|
|
return $studentshtml;
|
|
}
|
|
|
|
/**
|
|
* 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('showgroups');
|
|
$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) {
|
|
|
|
// the first join on user is needed for groupsql
|
|
$SQL = "SELECT g.itemid, SUM(g.finalgrade) as sum
|
|
FROM {$CFG->prefix}grade_items gi LEFT JOIN
|
|
{$CFG->prefix}grade_grades g ON gi.id = g.itemid LEFT JOIN
|
|
{$CFG->prefix}user u ON g.userid = u.id
|
|
$groupsql
|
|
WHERE gi.courseid = $this->courseid
|
|
$groupwheresql
|
|
AND g.userid IN (
|
|
SELECT DISTINCT(u.id)
|
|
FROM {$CFG->prefix}user u LEFT JOIN
|
|
{$CFG->prefix}role_assignments ra ON u.id = ra.userid
|
|
WHERE ra.roleid in ($this->gradebookroles)
|
|
AND ra.contextid ".get_related_contexts_string($this->context)."
|
|
)
|
|
GROUP BY g.itemid";
|
|
$sum_array = array();
|
|
if ($sums = get_records_sql($SQL)) {
|
|
foreach ($sums as $itemid => $csum) {
|
|
$sum_array[$itemid] = $csum->sum;
|
|
}
|
|
}
|
|
|
|
$avghtml = '<tr class="' . $avgcssclass . ' r'.$this->rowcount++.'"><th class="header c0" scope="row">'.$straverage.'</th>';
|
|
|
|
$columncount=1;
|
|
|
|
foreach ($this->gtree->items as $itemid=>$unused) {
|
|
$item =& $this->gtree->items[$itemid];
|
|
|
|
if (empty($sum_array[$item->id])) {
|
|
$sum_array[$item->id] = 0;
|
|
}
|
|
// 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)
|
|
$SQL = "SELECT COUNT(*) AS count FROM {$CFG->prefix}user u
|
|
WHERE u.id NOT IN
|
|
(SELECT userid FROM {$CFG->prefix}grade_grades g
|
|
WHERE g.itemid = $item->id AND g.finalgrade IS NOT NULL
|
|
)
|
|
AND u.id IN (
|
|
SELECT DISTINCT(u.id)
|
|
FROM {$CFG->prefix}user u LEFT JOIN
|
|
{$CFG->prefix}role_assignments ra ON u.id = ra.userid
|
|
$groupsql
|
|
WHERE ra.roleid in ($this->gradebookroles)
|
|
AND ra.contextid ".get_related_contexts_string($this->context)."
|
|
$groupwheresql
|
|
)";
|
|
|
|
$ungraded_count = get_field_sql($SQL);
|
|
|
|
if ($meanselection == GRADE_REPORT_MEAN_GRADED) {
|
|
$mean_count = $totalcount - $ungraded_count;
|
|
} else { // Bump up the sum by the number of ungraded items * grademin
|
|
if (isset($sum_array[$item->id])) {
|
|
$sum_array[$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 .= '<td class="cell c' . $columncount++.'">-</td>';
|
|
} else {
|
|
$sum = $sum_array[$item->id];
|
|
$avgradeval = $sum/$mean_count;
|
|
$gradehtml = grade_format_gradevalue($avgradeval, $item, true, $displaytype, $decimalpoints);
|
|
|
|
$numberofgrades = '';
|
|
if ($shownumberofgrades) {
|
|
$numberofgrades = " ($mean_count)";
|
|
}
|
|
|
|
$avghtml .= '<td class="cell c' . $columncount++.'">'.$gradehtml.$numberofgrades.'</td>';
|
|
}
|
|
}
|
|
$avghtml .= '</tr>';
|
|
}
|
|
return $avghtml;
|
|
}
|
|
|
|
/**
|
|
* Builds and return the HTML row of ranges for each column (i.e. range).
|
|
* @return string HTML
|
|
*/
|
|
function get_rangehtml() {
|
|
global $USER;
|
|
|
|
$scalehtml = '';
|
|
if ($this->get_pref('showranges')) {
|
|
$rangesdisplaytype = $this->get_pref('rangesdisplaytype');
|
|
$rangesdecimalpoints = $this->get_pref('rangesdecimalpoints');
|
|
|
|
$scalehtml = '<tr class="r'.$this->rowcount++.'">'
|
|
. '<th class="header c0 range" scope="row">'.$this->get_lang_string('range','grades').'</th>';
|
|
|
|
$columncount = 1;
|
|
foreach ($this->gtree->items as $itemid=>$unused) {
|
|
$item =& $this->gtree->items[$itemid];
|
|
|
|
// Determine which display type to use for this average
|
|
if ($USER->gradeediting[$this->courseid]) {
|
|
$displaytype = GRADE_DISPLAY_TYPE_REAL;
|
|
|
|
} else if ($rangesdisplaytype == GRADE_REPORT_PREFERENCE_INHERIT) { // no ==0 here, please resave report and user prefs
|
|
$displaytype = $item->get_displaytype();
|
|
|
|
} else {
|
|
$displaytype = $rangesdisplaytype;
|
|
}
|
|
|
|
// Override grade_item setting if a display preference (not default) was set for the averages
|
|
if ($rangesdecimalpoints == GRADE_REPORT_PREFERENCE_INHERIT) {
|
|
$decimalpoints = $item->get_decimals();
|
|
|
|
} else {
|
|
$decimalpoints = $rangesdecimalpoints;
|
|
}
|
|
|
|
if ($displaytype == GRADE_DISPLAY_TYPE_PERCENTAGE) {
|
|
$grademin = "0 %";
|
|
$grademax = "100 %";
|
|
|
|
} else {
|
|
$grademin = grade_format_gradevalue($item->grademin, $item, true, $displaytype, $decimalpoints);
|
|
$grademax = grade_format_gradevalue($item->grademax, $item, true, $displaytype, $decimalpoints);
|
|
}
|
|
|
|
$hidden = '';
|
|
if ($item->is_hidden()) {
|
|
$hidden = ' hidden ';
|
|
}
|
|
|
|
$scalehtml .= '<th class="header c'.$columncount++.' range"><span class="rangevalues'.$hidden.'">'. $grademin.'–'. $grademax.'</span></th>';
|
|
}
|
|
$scalehtml .= '</tr>';
|
|
}
|
|
return $scalehtml;
|
|
}
|
|
|
|
/**
|
|
* Builds and return the HTML row of ranges for each column (i.e. range).
|
|
* @return string HTML
|
|
*/
|
|
function get_iconshtml() {
|
|
global $USER;
|
|
|
|
$iconshtml = '';
|
|
if ($USER->gradeediting[$this->courseid]) {
|
|
|
|
$iconshtml = '<tr class="r'.$this->rowcount++.'">'
|
|
. '<th class="header c0 range" scope="row">'.$this->get_lang_string('controls','grades').'</th>';
|
|
|
|
$columncount = 1;
|
|
foreach ($this->gtree->items as $itemid=>$unused) {
|
|
// emulate grade element
|
|
$item =& $this->gtree->items[$itemid];
|
|
|
|
$eid = $this->gtree->get_item_eid($item);
|
|
$element = $this->gtree->locate_element($eid);
|
|
|
|
$iconshtml .= '<td class="cell c'.$columncount++.' icons">' . $this->get_icons($element) . '</td>';
|
|
}
|
|
$iconshtml .= '</tr>';
|
|
}
|
|
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 '<div class="grade_icons" />';
|
|
}
|
|
|
|
// Init all icons
|
|
$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, $this->gpr);
|
|
}
|
|
}
|
|
|
|
return '<div class="grade_icons">'.$edit_icon.$edit_calculation_icon.$show_hide_icon.$lock_unlock_icon.'</div>';
|
|
}
|
|
|
|
/**
|
|
* Given a category element returns collapsing +/- icon if available
|
|
* @param object $object
|
|
* @return string HTML
|
|
*/
|
|
function get_collapsing_icon($element) {
|
|
global $CFG;
|
|
|
|
$contract_expand_icon = '';
|
|
// If object is a category, display expand/contract icon
|
|
if ($element['type'] == 'category') {
|
|
// Load language strings
|
|
$strswitch_minus = $this->get_lang_string('aggregatesonly', 'grades');
|
|
$strswitch_plus = $this->get_lang_string('gradesonly', 'grades');
|
|
$strswitch_whole = $this->get_lang_string('fullmode', 'grades');
|
|
|
|
$expand_contract = 'switch_minus'; // Default: expanded
|
|
// $this->get_pref('aggregationview', $element['object']->id) == GRADE_REPORT_AGGREGATION_VIEW_COMPACT
|
|
|
|
if (in_array($element['object']->id, $this->collapsed['aggregatesonly'])) {
|
|
$expand_contract = 'switch_plus';
|
|
} elseif (in_array($element['object']->id, $this->collapsed['gradesonly'])) {
|
|
$expand_contract = 'switch_whole';
|
|
}
|
|
$url = $this->gpr->get_return_url(null, array('target'=>$element['eid'], 'action'=>$expand_contract, 'sesskey'=>sesskey()));
|
|
$contract_expand_icon = '<a href="'.$url.'"><img src="'.$CFG->pixpath.'/t/'.$expand_contract.'.gif" class="iconsmall" alt="'
|
|
.${'str'.$expand_contract}.'" title="'.${'str'.$expand_contract}.'" /></a>';
|
|
}
|
|
return $contract_expand_icon;
|
|
}
|
|
|
|
/**
|
|
* Processes a single action against a category, grade_item or grade.
|
|
* @param string $target eid ({type}{id}, e.g. c4 for category4)
|
|
* @param string $action Which action to take (edit, delete etc...)
|
|
* @return
|
|
*/
|
|
function process_action($target, $action) {
|
|
// TODO: this code should be in some grade_tree static method
|
|
$targettype = substr($target, 0, 1);
|
|
$targetid = substr($target, 1);
|
|
// TODO: end
|
|
|
|
if ($collapsed = get_user_preferences('grade_report_grader_collapsed_categories')) {
|
|
$collapsed = unserialize($collapsed);
|
|
} else {
|
|
$collapsed = array('aggregatesonly' => array(), 'gradesonly' => array());
|
|
}
|
|
|
|
switch ($action) {
|
|
case 'switch_minus': // Add category to array of aggregatesonly
|
|
if (!in_array($targetid, $collapsed['aggregatesonly'])) {
|
|
$collapsed['aggregatesonly'][] = $targetid;
|
|
set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
|
|
}
|
|
break;
|
|
|
|
case 'switch_plus': // Remove category from array of aggregatesonly, and add it to array of gradesonly
|
|
$key = array_search($targetid, $collapsed['aggregatesonly']);
|
|
if ($key !== false) {
|
|
unset($collapsed['aggregatesonly'][$key]);
|
|
}
|
|
if (!in_array($targetid, $collapsed['gradesonly'])) {
|
|
$collapsed['gradesonly'][] = $targetid;
|
|
}
|
|
set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
|
|
break;
|
|
case 'switch_whole': // Remove the category from the array of collapsed cats
|
|
$key = array_search($targetid, $collapsed['gradesonly']);
|
|
if ($key !== false) {
|
|
unset($collapsed['gradesonly'][$key]);
|
|
set_user_preference('grade_report_grader_collapsed_categories', serialize($collapsed));
|
|
}
|
|
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
}
|
|
?>
|