dirroot . '/grade/report/lib.php');
require_once($CFG->libdir.'/tablelib.php');
/**
* Class providing an API for the user report building and displaying.
* @uses grade_report
* @package gradebook
*/
class grade_report_user extends grade_report {
/**
* The user.
* @var object $user
*/
var $user;
/**
* A flexitable to hold the data.
* @var object $table
*/
var $table;
/**
* Flat structure similar to grade tree
*/
var $gseq;
/**
* show student ranks
*/
var $showrank;
/**
* Show hidden items even when user does not have required cap
*/
var $showhiddenitems;
/**
* 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 $userid The id of the user
*/
function grade_report_user($courseid, $gpr, $context, $userid) {
global $CFG;
parent::grade_report($courseid, $gpr, $context);
$this->showrank = grade_get_setting($this->courseid, 'report_user_showrank', !empty($CFG->grade_report_user_showrank));
$this->showhiddenitems = grade_get_setting($this->courseid, 'report_user_showhiddenitems', !empty($CFG->grade_report_user_showhiddenitems));
$switch = grade_get_setting($this->courseid, 'aggregationposition', $CFG->grade_aggregationposition);
// Grab the grade_tree for this course
$this->gseq = new grade_seq($this->courseid, $switch);
// get the user (for full name)
$this->user = get_record('user', 'id', $userid);
// base url for sorting by first/last name
$this->baseurl = $CFG->wwwroot.'/grade/report?id='.$courseid.'&userid='.$userid;
$this->pbarurl = $this->baseurl;
// always setup groups - no user preference here
$this->setup_groups();
$this->setup_table();
}
/**
* Prepares the headers and attributes of the flexitable.
*/
function setup_table() {
global $CFG;
/*
* Table has 5-6 columns
*| pic | itemname/description | grade (grade_final) | percentage | rank (optional) | feedback |
*/
// setting up table headers
if ($this->showrank) {
// TODO: this is broken if hidden grades present!!
$tablecolumns = array('itemname', 'category', 'grade', 'percentage', 'rank', 'feedback');
$tableheaders = array($this->get_lang_string('gradeitem', 'grades'), $this->get_lang_string('category'), $this->get_lang_string('grade'),
$this->get_lang_string('percent', 'grades'), $this->get_lang_string('rank', 'grades'),
$this->get_lang_string('feedback'));
} else {
$tablecolumns = array('itemname', 'category', 'grade', 'percentage', 'feedback');
$tableheaders = array($this->get_lang_string('gradeitem', 'grades'), $this->get_lang_string('category'), $this->get_lang_string('grade'),
$this->get_lang_string('percent', 'grades'), $this->get_lang_string('feedback'));
}
$this->table = new flexible_table('grade-report-user-'.$this->courseid);
$this->table->define_columns($tablecolumns);
$this->table->define_headers($tableheaders);
$this->table->define_baseurl($this->baseurl);
$this->table->set_attribute('cellspacing', '0');
$this->table->set_attribute('id', 'user-grade');
$this->table->set_attribute('class', 'boxaligncenter generaltable');
// not sure tables should be sortable or not, because if we allow it then sorted results distort grade category structure and sortorder
$this->table->set_control_variables(array(
TABLE_VAR_SORT => 'ssort',
TABLE_VAR_HIDE => 'shide',
TABLE_VAR_SHOW => 'sshow',
TABLE_VAR_IFIRST => 'sifirst',
TABLE_VAR_ILAST => 'silast',
TABLE_VAR_PAGE => 'spage'
));
$this->table->setup();
}
function fill_table() {
global $CFG;
$numusers = $this->get_numusers(false); // total course users
$items =& $this->gseq->items;
$grades = array();
$canviewhidden = has_capability('moodle/grade:viewhidden', get_context_instance(CONTEXT_COURSE, $this->courseid));
// fetch or create all grades
foreach ($items as $key=>$unused) {
if (!$grade_grade = grade_grade::fetch(array('itemid'=>$items[$key]->id, 'userid'=>$this->user->id))) {
$grade_grade = new grade_grade();
$grade_grade->userid = $this->user->id;
$grade_grade->itemid = $items[$key]->id;
}
$grades[$key] = $grade_grade;
$grades[$key]->grade_item =& $items[$key];
}
if ($canviewhidden) {
$altered = array();
$unknown = array();
} else {
$hiding_affected = grade_grade::get_hiding_affected($grades, $items);
$altered = $hiding_affected['altered'];
$unknown = $hiding_affected['unknown'];
unset($hiding_affected);
}
foreach ($items as $itemid=>$unused) {
$grade_item =& $items[$itemid];
$grade_grade =& $grades[$itemid];
if (!$this->showhiddenitems and !$canviewhidden and $grade_item->is_hidden()) {
continue;
}
if (in_array($itemid, $unknown)) {
$gradeval = null;
} else if (array_key_exists($itemid, $altered)) {
$gradeval = $altered[$itemid];
} else {
$gradeval = $grade_grade->finalgrade;
}
$data = array();
/// prints grade item name
if ($grade_item->is_course_item() or $grade_item->is_category_item()) {
$data[] = ''.$grade_item->get_name().'
';
} else {
$data[] = ''.$this->get_module_link($grade_item->get_name(), $grade_item->itemmodule, $grade_item->iteminstance).'
';
}
/// prints category
$cat = $grade_item->get_parent_category();
$data[] = $cat->get_name();
/// prints the grade
if ($grade_grade->is_excluded()) {
$excluded = get_string('excluded', 'grades').' ';
} else {
$excluded = '';
}
if ($grade_item->needsupdate) {
$data[] = ''.get_string('error').'';
} else if (!empty($CFG->grade_hiddenasdate) and !is_null($grade_grade->finalgrade) and !$canviewhidden and $grade_grade->is_hidden()
and !$grade_item->is_category_item() and !$grade_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
$data[] = $excluded . ''.get_string('gradedon', 'grades', userdate($grade_grade->timemodified, get_string('strftimedatetimeshort'))).'
';
} else {
$data[] = $excluded . grade_format_gradevalue($gradeval, $grade_item, true);
}
/// prints percentage
if ($grade_item->needsupdate) {
$data[] = ''.get_string('error').'';
} else {
$data[] = grade_format_gradevalue($gradeval, $grade_item, true, GRADE_DISPLAY_TYPE_PERCENTAGE);
}
/// prints rank
if ($this->showrank) {
// TODO: this is broken if hidden grades present!!
if ($grade_item->needsupdate) {
$data[] = ''.get_string('error').'';
} else if (is_null($gradeval)) {
// no grade, no rank
$data[] = '-';
} else {
/// find the number of users with a higher grade
$sql = "SELECT COUNT(DISTINCT(userid))
FROM {$CFG->prefix}grade_grades
WHERE finalgrade > {$grade_grade->finalgrade}
AND itemid = {$grade_item->id}";
$rank = count_records_sql($sql) + 1;
$data[] = "$rank/$numusers";
}
}
/// prints notes
if (empty($grade_grade->feedback)) {
$data[] = ' ';
} else if (!$canviewhidden and $grade_grade->is_hidden()) {
$data[] = ' ';
} else {
$data[] = format_text($grade_grade->feedback, $grade_grade->feedbackformat);
}
$this->table->add_data($data);
}
return true;
}
/**
* Prints or returns the HTML from the flexitable.
* @param bool $return Whether or not to return the data instead of printing it directly.
* @return string
*/
function print_table($return=false) {
ob_start();
$this->table->print_html();
$html = ob_get_clean();
if ($return) {
return $html;
} else {
echo $html;
}
}
/**
* Processes the data sent by the form (grades and feedbacks).
* @var array $data
* @return bool Success or Failure (array of errors).
*/
function process_data($data) {
}
}
function grade_report_user_settings_definition(&$mform) {
global $CFG;
$options = array(-1 => get_string('default', 'grades'),
0 => get_string('hide'),
1 => get_string('show'));
if (empty($CFG->grade_report_user_showrank)) {
$options[-1] = get_string('defaultprev', 'grades', $options[0]);
} else {
$options[-1] = get_string('defaultprev', 'grades', $options[1]);
}
$mform->addElement('select', 'report_user_showrank', get_string('showrank', 'grades'), $options);
$mform->setHelpButton('report_user_showrank', array(false, get_string('showrank', 'grades'),
false, true, false, get_string('configshowrank', 'grades')));
$options = array(-1 => get_string('default', 'grades'),
0 => get_string('hide'),
1 => get_string('show'));
if (empty($CFG->grade_report_user_showhiddenitems)) {
$options[-1] = get_string('defaultprev', 'grades', $options[0]);
} else {
$options[-1] = get_string('defaultprev', 'grades', $options[1]);
}
$mform->addElement('select', 'report_user_showhiddenitems', get_string('showhiddenitems', 'grades'), $options);
$mform->setHelpButton('report_user_showhiddenitems', array(false, get_string('showhiddenitems', 'grades'),
false, true, false, get_string('configshowhiddenitems', 'grades')));
}
?>