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lib.php
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<?php //$Id$
///////////////////////////////////////////////////////////////////////////
// //
// NOTICE OF COPYRIGHT //
// //
// Moodle - Modular Object-Oriented Dynamic Learning Environment //
// http://moodle.com //
// //
// Copyright (C) 1999 onwards Martin Dougiamas http://moodle.com //
// //
// This program 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 2 of the License, or //
// (at your option) any later version. //
// //
// This program 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: //
// //
// http://www.gnu.org/copyleft/gpl.html //
// //
///////////////////////////////////////////////////////////////////////////
require_once $CFG->libdir.'/gradelib.php';
/**
* This class iterates over all users that are graded in a course.
* Returns detailed info about users and their grades.
*/
class graded_users_iterator {
public $course;
public $grade_items;
public $groupid;
public $users_rs;
public $grades_rs;
public $gradestack;
public $sortfield1;
public $sortorder1;
public $sortfield2;
public $sortorder2;
/**
* Constructor
* @param $course object
* @param array grade_items array of grade items, if not specified only user info returned
* @param int $groupid iterate only group users if present
* @param string $sortfield1 The first field of the users table by which the array of users will be sorted
* @param string $sortorder1 The order in which the first sorting field will be sorted (ASC or DESC)
* @param string $sortfield2 The second field of the users table by which the array of users will be sorted
* @param string $sortorder2 The order in which the second sorting field will be sorted (ASC or DESC)
*/
public function graded_users_iterator($course, $grade_items=null, $groupid=0, $sortfield1='lastname', $sortorder1='ASC', $sortfield2='firstname', $sortorder2='ASC') {
$this->course = $course;
$this->grade_items = $grade_items;
$this->groupid = $groupid;
$this->sortfield1 = $sortfield1;
$this->sortorder1 = $sortorder1;
$this->sortfield2 = $sortfield2;
$this->sortorder2 = $sortorder2;
$this->gradestack = array();
}
/**
* Initialise the iterator
* @return boolean success
*/
public function init() {
global $CFG, $DB;
$this->close();
grade_regrade_final_grades($this->course->id);
$course_item = grade_item::fetch_course_item($this->course->id);
if ($course_item->needsupdate) {
// can not calculate all final grades - sorry
return false;
}
list($gradebookroles_sql, $params) = $DB->get_in_or_equal(explode(',', $CFG->gradebookroles));
$relatedcontexts = get_related_contexts_string(get_context_instance(CONTEXT_COURSE, $this->course->id));
if ($this->groupid) {
$groupsql = "INNER JOIN {groups_members} gm ON gm.userid = u.id";
$groupwheresql = "AND gm.groupid = ?";
// $params contents: gradebookroles
$params[] = $this->groupid;
} else {
$groupsql = "";
$groupwheresql = "";
}
if (empty($this->sortfield1)) {
// we must do some sorting even if not specified
$ofields = ", u.id AS usrt";
$order = "usrt ASC";
} else {
$ofields = ", u.$this->sortfield1 AS usrt1";
$order = "usrt1 $this->sortorder1";
if (!empty($this->sortfield2)) {
$ofields .= ", u.$this->sortfield1 AS usrt2";
$order .= ", usrt2 $this->sortorder2";
}
if ($this->sortfield1 != 'id' and $this->sortfield2 != 'id') {
// user order MUST be the same in both queries, must include the only unique user->id if not already present
$ofields .= ", u.id AS usrt";
$order .= ", usrt ASC";
}
}
// $params contents: gradebookroles and groupid (for $groupwheresql)
$users_sql = "SELECT u.* $ofields
FROM {user} u
INNER JOIN {role_assignments} ra ON u.id = ra.userid
$groupsql
WHERE ra.roleid $gradebookroles_sql
AND ra.contextid $relatedcontexts
$groupwheresql
ORDER BY $order";
$this->users_rs = $DB->get_recordset_sql($users_sql, $params);
if (!empty($this->grade_items)) {
$itemids = array_keys($this->grade_items);
list($itemidsql, $grades_params) = $DB->get_in_or_equal($itemids);
$params = array_merge($params, $grades_params);
// $params contents: gradebookroles, groupid (for $groupwheresql) and itemids
$grades_sql = "SELECT g.* $ofields
FROM {grade_grades} g
INNER JOIN {user} u ON g.userid = u.id
INNER JOIN {role_assignments} ra ON u.id = ra.userid
$groupsql
WHERE ra.roleid $gradebookroles_sql
AND ra.contextid $relatedcontexts
$groupwheresql
AND g.itemid $itemidsql
ORDER BY $order, g.itemid ASC";
$this->grades_rs = $DB->get_recordset_sql($grades_sql, $params);
} else {
$this->grades_rs = false;
}
return true;
}
/**
* Returns information about the next user
* @return mixed array of user info, all grades and feedback or null when no more users found
*/
function next_user() {
if (!$this->users_rs) {
return false; // no users present
}
if (!$this->users_rs->valid()) {
if ($current = $this->_pop()) {
// this is not good - user or grades updated between the two reads above :-(
}
return false; // no more users
} else {
$user = $this->users_rs->current();
$this->users_rs->next();
}
// find grades of this user
$grade_records = array();
while (true) {
if (!$current = $this->_pop()) {
break; // no more grades
}
if (empty($current->userid)) {
break;
}
if ($current->userid != $user->id) {
// grade of the next user, we have all for this user
$this->_push($current);
break;
}
$grade_records[$current->itemid] = $current;
}
$grades = array();
$feedbacks = array();
if (!empty($this->grade_items)) {
foreach ($this->grade_items as $grade_item) {
if (array_key_exists($grade_item->id, $grade_records)) {
$feedbacks[$grade_item->id]->feedback = $grade_records[$grade_item->id]->feedback;
$feedbacks[$grade_item->id]->feedbackformat = $grade_records[$grade_item->id]->feedbackformat;
unset($grade_records[$grade_item->id]->feedback);
unset($grade_records[$grade_item->id]->feedbackformat);
$grades[$grade_item->id] = new grade_grade($grade_records[$grade_item->id], false);
} else {
$feedbacks[$grade_item->id]->feedback = '';
$feedbacks[$grade_item->id]->feedbackformat = FORMAT_MOODLE;
$grades[$grade_item->id] = new grade_grade(array('userid'=>$user->id, 'itemid'=>$grade_item->id), false);
}
}
}
$result = new object();
$result->user = $user;
$result->grades = $grades;
$result->feedbacks = $feedbacks;
return $result;
}
/**
* Close the iterator, do not forget to call this function.
* @return void
*/
function close() {
if ($this->users_rs) {
$this->users_rs->close();
$this->users_rs = null;
}
if ($this->grades_rs) {
$this->grades_rs->close();
$this->grades_rs = null;
}
$this->gradestack = array();
}
/**
* Internal function
*/
function _push($grade) {
array_push($this->gradestack, $grade);
}
/**
* Internal function
*/
function _pop() {
global $DB;
if (empty($this->gradestack)) {
if (!$this->grades_rs) {
return NULL; // no grades present
}
if ($this->grades_rs->next()) {
return NULL; // no more grades
}
return $this->grades_rs->current();
} else {
return array_pop($this->gradestack);
}
}
}
/**
* Print a selection popup form of the graded users in a course.
*
* @param int $courseid id of the course
* @param string $actionpage The page receiving the data from the popoup form
* @param int $userid id of the currently selected user (or 'all' if they are all selected)
* @param bool $return If true, will return the HTML, otherwise, will print directly
* @return null
*/
function print_graded_users_selector($course, $actionpage, $userid=null, $return=false) {
global $CFG, $USER;
if (is_null($userid)) {
$userid = $USER->id;
}
$context = get_context_instance(CONTEXT_COURSE, $course->id);
$menu = array(); // Will be a list of userid => user name
$gui = new graded_users_iterator($course);
$gui->init();
if ($userid !== 0) {
$menu[0] = get_string('allusers', 'grades');
}
$nextuser = $gui->next_user();
while ($userdata = $gui->next_user()) {
$user = $userdata->user;
$menu[$user->id] = fullname($user);
}
$gui->close();
if ($userid !== 0) {
$menu[0] .= " (" . (count($menu) - 1) . ")";
}
return popup_form($CFG->wwwroot.'/grade/' . $actionpage . '&userid=', $menu, 'choosegradeduser', $userid, 'choose', '', '',
$return, 'self', get_string('selectalloroneuser', 'grades'));
}
/**
* Print grading plugin selection popup form.
*
* @param int $courseid id of course
* @param string $active_type type of plugin on current page - import, export, report or edit
* @param string $active_plugin active plugin type - grader, user, cvs, ...
* @param boolean $return return as string
* @return nothing or string if $return true
*/
function print_grade_plugin_selector($courseid, $active_type, $active_plugin, $return=false) {
global $CFG;
$context = get_context_instance(CONTEXT_COURSE, $courseid);
$menu = array();
$count = 0;
$active = '';
/// report plugins with its special structure
if ($reports = get_list_of_plugins('grade/report', 'CVS')) { // Get all installed reports
foreach ($reports as $key => $plugin) { // Remove ones we can't see
if (!has_capability('gradereport/'.$plugin.':view', $context)) {
unset($reports[$key]);
}
}
}
$reportnames = array();
if (!empty($reports)) {
foreach ($reports as $plugin) {
$url = 'report/'.$plugin.'/index.php?id='.$courseid;
if ($active_type == 'report' and $active_plugin == $plugin ) {
$active = $url;
}
$reportnames[$url] = get_string('modulename', 'gradereport_'.$plugin);
$count++;
}
asort($reportnames);
}
if (!empty($reportnames)) {
$menu['reportgroup']='--'.get_string('view');
$menu = $menu+$reportnames;
}
/// standard import plugins
if ($imports = get_list_of_plugins('grade/import', 'CVS')) { // Get all installed import plugins
foreach ($imports as $key => $plugin) { // Remove ones we can't see
if (!has_capability('gradeimport/'.$plugin.':view', $context)) {
unset($imports[$key]);
}
}
}
$importnames = array();
if (!empty($imports)) {
foreach ($imports as $plugin) {
$url = 'import/'.$plugin.'/index.php?id='.$courseid;
if ($active_type == 'import' and $active_plugin == $plugin ) {
$active = $url;
}
$importnames[$url] = get_string('modulename', 'gradeimport_'.$plugin);
$count++;
}
asort($importnames);
}
if (!empty($importnames)) {
$menu['importgroup']='--'.get_string('importfrom', 'grades');
$menu = $menu+$importnames;
}
/// standard export plugins
if ($exports = get_list_of_plugins('grade/export', 'CVS')) { // Get all installed export plugins
foreach ($exports as $key => $plugin) { // Remove ones we can't see
if (!has_capability('gradeexport/'.$plugin.':view', $context)) {
unset($exports[$key]);
}
}
}
$exportnames = array();
if (!empty($exports)) {
foreach ($exports as $plugin) {
$url = 'export/'.$plugin.'/index.php?id='.$courseid;
if ($active_type == 'export' and $active_plugin == $plugin ) {
$active = $url;
}
$exportnames[$url] = get_string('modulename', 'gradeexport_'.$plugin);
$count++;
}
asort($exportnames);
}
if (!empty($exportnames)) {
$menu['exportgroup']='--'.get_string('exportto', 'grades');
$menu = $menu+$exportnames;
}
/// editing scripts - not real plugins
if (has_capability('moodle/grade:manage', $context)
or has_capability('moodle/grade:manageletters', $context)
or has_capability('moodle/course:managescales', $context)
or has_capability('moodle/course:update', $context)) {
$menu['edit']='--'.get_string('edit');
if (has_capability('moodle/grade:manage', $context)) {
$url = 'edit/tree/index.php?id='.$courseid;
if ($active_type == 'edit' and $active_plugin == 'tree' ) {
$active = $url;
}
$menu[$url] = get_string('edittree', 'grades');
$count++;
}
if (has_capability('moodle/course:managescales', $context)) {
$url = 'edit/scale/index.php?id='.$courseid;
if ($active_type == 'edit' and $active_plugin == 'scale' ) {
$active = $url;
}
$menu[$url] = get_string('scales');
$count++;
}
if (!empty($CFG->enableoutcomes) && (has_capability('moodle/grade:manage', $context) or
has_capability('moodle/course:update', $context))) {
if (has_capability('moodle/course:update', $context)) { // Default to course assignment
$url = 'edit/outcome/course.php?id='.$courseid;
} else {
$url = 'edit/outcome/index.php?id='.$courseid;
}
if ($active_type == 'edit' and $active_plugin == 'outcome' ) {
$active = $url;
}
$menu[$url] = get_string('outcomes', 'grades');
$count++;
}
if (has_capability('moodle/grade:manage', $context) or has_capability('moodle/grade:manageletters', $context)) {
$url = 'edit/letter/index.php?id='.$courseid;
if ($active_type == 'edit' and $active_plugin == 'letter' ) {
$active = $url;
}
$menu[$url] = get_string('letters', 'grades');
$count++;
}
if (has_capability('moodle/grade:manage', $context)) {
$url = 'edit/settings/index.php?id='.$courseid;
if ($active_type == 'edit' and $active_plugin == 'settings' ) {
$active = $url;
}
$menu[$url] = get_string('coursesettings', 'grades');
$count++;
}
}
/// finally print/return the popup form
if ($count > 1) {
return popup_form($CFG->wwwroot.'/grade/', $menu, 'choosepluginreport', '',
get_string('chooseaction', 'grades'), '', '', $return, 'self');
} else {
// only one option - no plugin selector needed
return '';
}
}
/**
* Utility class used for return tracking when using edit and other forms in grade plugins
*/
class grade_plugin_return {
public $type;
public $plugin;
public $courseid;
public $userid;
public $page;
/**
* Constructor
* @param array $params - associative array with return parameters, if null parameter are taken from _GET or _POST
*/
public function grade_plugin_return ($params=null) {
if (empty($params)) {
$this->type = optional_param('gpr_type', null, PARAM_SAFEDIR);
$this->plugin = optional_param('gpr_plugin', null, PARAM_SAFEDIR);
$this->courseid = optional_param('gpr_courseid', null, PARAM_INT);
$this->userid = optional_param('gpr_userid', null, PARAM_INT);
$this->page = optional_param('gpr_page', null, PARAM_INT);
} else {
foreach ($params as $key=>$value) {
if (array_key_exists($key, $this)) {
$this->$key = $value;
}
}
}
}
/**
* Returns return parameters as options array suitable for buttons.
* @return array options
*/
public function get_options() {
if (empty($this->type)) {
return array();
}
$params = array();
if (!empty($this->plugin)) {
$params['plugin'] = $this->plugin;
}
if (!empty($this->courseid)) {
$params['id'] = $this->courseid;
}
if (!empty($this->userid)) {
$params['userid'] = $this->userid;
}
if (!empty($this->page)) {
$params['page'] = $this->page;
}
return $params;
}
/**
* Returns return url
* @param string $default default url when params not set
* @return string url
*/
public function get_return_url($default, $extras=null) {
global $CFG;
if (empty($this->type) or empty($this->plugin)) {
return $default;
}
$url = $CFG->wwwroot.'/grade/'.$this->type.'/'.$this->plugin.'/index.php';
$glue = '?';
if (!empty($this->courseid)) {
$url .= $glue.'id='.$this->courseid;
$glue = '&';
}
if (!empty($this->userid)) {
$url .= $glue.'userid='.$this->userid;
$glue = '&';
}
if (!empty($this->page)) {
$url .= $glue.'page='.$this->page;
$glue = '&';
}
if (!empty($extras)) {
foreach($extras as $key=>$value) {
$url .= $glue.$key.'='.$value;
$glue = '&';
}
}
return $url;
}
/**
* Returns string with hidden return tracking form elements.
* @return string
*/
public function get_form_fields() {
if (empty($this->type)) {
return '';
}
$result = '<input type="hidden" name="gpr_type" value="'.$this->type.'" />';
if (!empty($this->plugin)) {
$result .= '<input type="hidden" name="gpr_plugin" value="'.$this->plugin.'" />';
}
if (!empty($this->courseid)) {
$result .= '<input type="hidden" name="gpr_courseid" value="'.$this->courseid.'" />';
}
if (!empty($this->userid)) {
$result .= '<input type="hidden" name="gpr_userid" value="'.$this->userid.'" />';
}
if (!empty($this->page)) {
$result .= '<input type="hidden" name="gpr_page" value="'.$this->page.'" />';
}
}
/**
* Add hidden elements into mform
* @param object $mform moodle form object
* @return void
*/
public function add_mform_elements(&$mform) {
if (empty($this->type)) {
return;
}
$mform->addElement('hidden', 'gpr_type', $this->type);
$mform->setType('gpr_type', PARAM_SAFEDIR);
if (!empty($this->plugin)) {
$mform->addElement('hidden', 'gpr_plugin', $this->plugin);
$mform->setType('gpr_plugin', PARAM_SAFEDIR);
}
if (!empty($this->courseid)) {
$mform->addElement('hidden', 'gpr_courseid', $this->courseid);
$mform->setType('gpr_courseid', PARAM_INT);
}
if (!empty($this->userid)) {
$mform->addElement('hidden', 'gpr_userid', $this->userid);
$mform->setType('gpr_userid', PARAM_INT);
}
if (!empty($this->page)) {
$mform->addElement('hidden', 'gpr_page', $this->page);
$mform->setType('gpr_page', PARAM_INT);
}
}
/**
* Add return tracking params into url
* @param string $url
* @return string $url with erturn tracking params
*/
public function add_url_params($url) {
if (empty($this->type)) {
return $url;
}
if (strpos($url, '?') === false) {
$url .= '?gpr_type='.$this->type;
} else {
$url .= '&gpr_type='.$this->type;
}
if (!empty($this->plugin)) {
$url .= '&gpr_plugin='.$this->plugin;
}
if (!empty($this->courseid)) {
$url .= '&gpr_courseid='.$this->courseid;
}
if (!empty($this->userid)) {
$url .= '&gpr_userid='.$this->userid;
}
if (!empty($this->page)) {
$url .= '&gpr_page='.$this->page;
}
return $url;
}
}
/**
* Function central to gradebook for building and printing the navigation (breadcrumb trail).
* @param string $path The path of the calling script (using __FILE__?)
* @param string $pagename The language string to use as the last part of the navigation (non-link)
* @param mixed $id Either a plain integer (assuming the key is 'id') or an array of keys and values (e.g courseid => $courseid, itemid...)
* @return string
*/
function grade_build_nav($path, $pagename=null, $id=null) {
global $CFG, $COURSE;
$strgrades = get_string('grades', 'grades');
// Parse the path and build navlinks from its elements
$dirroot_length = strlen($CFG->dirroot) + 1; // Add 1 for the first slash
$path = substr($path, $dirroot_length);
$path = str_replace('\\', '/', $path);
$path_elements = explode('/', $path);
$path_elements_count = count($path_elements);
// First link is always 'grade'
$navlinks = array();
$navlinks[] = array('name' => $strgrades,
'link' => $CFG->wwwroot.'/grade/index.php?id='.$COURSE->id,
'type' => 'misc');
$link = '';
$numberofelements = 3;
// Prepare URL params string
$id_string = '?';
if (!is_null($id)) {
if (is_array($id)) {
foreach ($id as $idkey => $idvalue) {
$id_string .= "$idkey=$idvalue&";
}
} else {
$id_string .= "id=$id";
}
}
$navlink4 = null;
// Remove file extensions from filenames
foreach ($path_elements as $key => $filename) {
$path_elements[$key] = str_replace('.php', '', $filename);
}
// Second level links
switch ($path_elements[1]) {
case 'edit': // No link
if ($path_elements[3] != 'index.php') {
$numberofelements = 4;
}
break;
case 'import': // No link
break;
case 'export': // No link
break;
case 'report':
// $id is required for this link. Do not print it if $id isn't given
if (!is_null($id)) {
$link = $CFG->wwwroot . '/grade/report/index.php' . $id_string;
}
if ($path_elements[2] == 'grader') {
$numberofelements = 4;
}
break;
default:
// If this element isn't among the ones already listed above, it isn't supported, throw an error.
debugging("grade_build_nav() doesn't support ". $path_elements[1] . " as the second path element after 'grade'.");
return false;
}
$navlinks[] = array('name' => get_string($path_elements[1], 'grades'), 'link' => $link, 'type' => 'misc');
// Third level links
if (empty($pagename)) {
$pagename = get_string($path_elements[2], 'grades');
}
switch ($numberofelements) {
case 3:
$navlinks[] = array('name' => $pagename, 'link' => $link, 'type' => 'misc');
break;
case 4:
if ($path_elements[2] == 'grader' AND $path_elements[3] != 'index.php') {
$navlinks[] = array('name' => get_string('modulename', 'gradereport_grader'),
'link' => "$CFG->wwwroot/grade/report/grader/index.php$id_string",
'type' => 'misc');
}
$navlinks[] = array('name' => $pagename, 'link' => '', 'type' => 'misc');
break;
}
$navigation = build_navigation($navlinks);
return $navigation;
}
/**
* General structure representing grade items in course
*/
class grade_structure {
public $context;
public $courseid;
/**
* 1D array of grade items only
*/
public $items;
/**
* Returns icon of element
* @param object $element
* @param bool $spacerifnone return spacer if no icon found
* @return string icon or spacer
*/
public function get_element_icon(&$element, $spacerifnone=false) {
global $CFG;
switch ($element['type']) {
case 'item':
case 'courseitem':
case 'categoryitem':
if ($element['object']->is_calculated()) {
return '<img src="'.$CFG->pixpath.'/i/calc.gif" class="icon itemicon" alt="'.get_string('calculation', 'grades').'"/>';
} else if (($element['object']->is_course_item() or $element['object']->is_category_item())
and ($element['object']->gradetype == GRADE_TYPE_SCALE or $element['object']->gradetype == GRADE_TYPE_VALUE)) {
if ($category = $element['object']->get_item_category()) {
switch ($category->aggregation) {
case GRADE_AGGREGATE_MEAN:
case GRADE_AGGREGATE_MEDIAN:
case GRADE_AGGREGATE_WEIGHTED_MEAN:
case GRADE_AGGREGATE_WEIGHTED_MEAN2:
case GRADE_AGGREGATE_EXTRACREDIT_MEAN:
return '<img src="'.$CFG->pixpath.'/i/agg_mean.gif" class="icon itemicon" alt="'.get_string('aggregation', 'grades').'"/>';
case GRADE_AGGREGATE_SUM:
return '<img src="'.$CFG->pixpath.'/i/agg_sum.gif" class="icon itemicon" alt="'.get_string('aggregation', 'grades').'"/>';
}
}
} else if ($element['object']->itemtype == 'mod') {
return '<img src="'.$CFG->modpixpath.'/'.$element['object']->itemmodule.'/icon.gif" class="icon itemicon" alt="'
.get_string('modulename', $element['object']->itemmodule).'"/>';
} else if ($element['object']->itemtype == 'manual') {
if ($element['object']->is_outcome_item()) {
return '<img src="'.$CFG->pixpath.'/i/outcomes.gif" class="icon itemicon" alt="'.get_string('outcome', 'grades').'"/>';
} else {
return '<img src="'.$CFG->pixpath.'/t/manual_item.gif" class="icon itemicon" alt="'.get_string('manualitem', 'grades').'"/>';
}
}
break;
case 'category':
return '<img src="'.$CFG->pixpath.'/f/folder.gif" class="icon itemicon" alt="'.get_string('category', 'grades').'"/>';
}
if ($spacerifnone) {
return '<img src="'.$CFG->wwwroot.'/pix/spacer.gif" class="icon itemicon" alt=""/>';
} else {
return '';
}
}
/**
* Returns name of element optionally with icon and link
* @param object $element
* @param bool $withlinks
* @param bool $icons
* @param bool $spacerifnone return spacer if no icon found
* @return header string
*/
public function get_element_header(&$element, $withlink=false, $icon=true, $spacerifnone=false) {
global $CFG;
$header = '';
if ($icon) {
$header .= $this->get_element_icon($element, $spacerifnone);
}
$header .= $element['object']->get_name();
if ($element['type'] != 'item' and $element['type'] != 'categoryitem' and $element['type'] != 'courseitem') {
return $header;
}
$itemtype = $element['object']->itemtype;
$itemmodule = $element['object']->itemmodule;
$iteminstance = $element['object']->iteminstance;
if ($withlink and $itemtype=='mod' and $iteminstance and $itemmodule) {
if ($cm = get_coursemodule_from_instance($itemmodule, $iteminstance, $this->courseid)) {
$dir = $CFG->dirroot.'/mod/'.$itemmodule;
if (file_exists($dir.'/grade.php')) {
$url = $CFG->wwwroot.'/mod/'.$itemmodule.'/grade.php?id='.$cm->id;
} else {
$url = $CFG->wwwroot.'/mod/'.$itemmodule.'/view.php?id='.$cm->id;
}
$header = '<a href="'.$url.'">'.$header.'</a>';
}
}
return $header;
}
/**
* Returns the grade eid - the grade may not exist yet.
* @param $grade_grade object
* @return string eid
*/
public function get_grade_eid($grade_grade) {
if (empty($grade_grade->id)) {
return 'n'.$grade_grade->itemid.'u'.$grade_grade->userid;
} else {
return 'g'.$grade_grade->id;
}
}
/**
* Returns the grade_item eid
* @param $grade_item object
* @return string eid
*/
public function get_item_eid($grade_item) {
return 'i'.$grade_item->id;
}
function get_params_for_iconstr($element) {
$strparams = new stdClass();
$strparams->category = '';
$strparams->itemname = '';
$strparams->itemmodule = '';
if (!method_exists($element['object'], 'get_name')) {
return $strparams;
}
$strparams->itemname = $element['object']->get_name();
// If element name is categorytotal, get the name of the parent category
if ($strparams->itemname == get_string('categorytotal', 'grades')) {
$parent = $element['object']->get_parent_category();
$strparams->category = $parent->get_name() . ' ';
} else {
$strparams->category = '';
}
$strparams->itemmodule = null;
if (isset($element['object']->itemmodule)) {
$strparams->itemmodule = $element['object']->itemmodule;
}
return $strparams;
}
/**
* Return edit icon for give element
* @param object $element
* @return string
*/
public function get_edit_icon($element, $gpr) {
global $CFG;
if (!has_capability('moodle/grade:manage', $this->context)) {
if ($element['type'] == 'grade' and has_capability('moodle/grade:edit', $this->context)) {
// oki - let them override grade
} else {
return '';
}
}
static $strfeedback = null;
static $streditgrade = null;
if (is_null($streditgrade)) {
$streditgrade = get_string('editgrade', 'grades');
$strfeedback = get_string('feedback');
}
$strparams = $this->get_params_for_iconstr($element);
if ($element['type'] == 'item' or $element['type'] == 'category') {
}
$object = $element['object'];
$overlib = '';
switch ($element['type']) {
case 'item':
case 'categoryitem':
case 'courseitem':
$stredit = get_string('editverbose', 'grades', $strparams);
if (empty($object->outcomeid) || empty($CFG->enableoutcomes)) {
$url = $CFG->wwwroot.'/grade/edit/tree/item.php?courseid='.$this->courseid.'&id='.$object->id;
} else {
$url = $CFG->wwwroot.'/grade/edit/tree/outcomeitem.php?courseid='.$this->courseid.'&id='.$object->id;
}
$url = $gpr->add_url_params($url);
break;
case 'category':
$stredit = get_string('editverbose', 'grades', $strparams);
$url = $CFG->wwwroot.'/grade/edit/tree/category.php?courseid='.$this->courseid.'&id='.$object->id;
$url = $gpr->add_url_params($url);
break;
case 'grade':
$stredit = $streditgrade;
if (empty($object->id)) {
$url = $CFG->wwwroot.'/grade/edit/tree/grade.php?courseid='.$this->courseid.'&itemid='.$object->itemid.'&userid='.$object->userid;
} else {
$url = $CFG->wwwroot.'/grade/edit/tree/grade.php?courseid='.$this->courseid.'&id='.$object->id;
}
$url = $gpr->add_url_params($url);
if (!empty($object->feedback)) {
$feedback = addslashes_js(trim(format_string($object->feedback, $object->feedbackformat)));
$function = "return overlib('$feedback', BORDER, 0, FGCLASS, 'feedback', "
."CAPTIONFONTCLASS, 'caption', CAPTION, '$strfeedback');";
$overlib = 'onmouseover="'.s($function).'" onmouseout="return nd();"';
}
break;
default:
$url = null;
}
if ($url) {