public function __construct()
{
global $DB;
parent::__construct(get_string('gradedistributionbar', 'gradereport_visual'));
$this->layout = visualization::LAYOUT_AXIS;
$this->layoutsettings = null;
//array('false', 'true');
$this->nodeshape = visualization::SHAPE_VERTICAL_BAR;
$this->xaxis = 'grade';
$this->yaxis = 'students';
$this->xaxislabelformat = '0\\%';
//$this->xaxismax = 100 + grade_distribution::RANGE;
//$this->xaxismin = grade_distribution::RANGE;
$this->xaxisxoffset = -27;
$this->xaxislabel = get_string('grade', 'gradereport_visual');
if ($this->percent) {
$this->yaxislabelformat = '0\\%';
$this->yaxislabel = get_string('percentstudents', 'gradereport_visual');
} else {
$this->yaxislabel = get_string('numberstudents', 'gradereport_visual');
}
$this->title = get_string('gradedistribution:title', 'gradereport_visual');
$this->capability = 'gradereport/visual:vis:grade_distribution_bar';
$this->usegroups = true;
$options = array();
foreach (groups_get_all_groups(required_param('id')) as $groupkey => $group) {
$options[$groupkey] = grade_report_visual::truncate($group->name);
}
$options[0] = 'All Groups';
if (isset($DB) && !is_null($DB)) {
$course = $DB->get_record('course', array('id' => required_param('id')));
} else {
$course = get_record('course', 'id', required_param('id'));
}
if (!$course) {
print_error('nocourseid');
}
$active = groups_get_course_group($course, true);
if (!$active) {
$active = 0;
}
$this->selector = new selector('group', $options, $active);
$this->selectors = array($this->selector);
$this->colorencoder = new encoder(encoder::ENCODER_COLOR, 'item');
$this->encoders = array($this->colorencoder);
$this->itemlegend = new legend($this->colorencoder, array(get_string('coursetotal', 'grades')));
$this->legends = array($this->itemlegend);
}
public function __construct()
{
global $DB;
parent::__construct(get_string('gradedistributiongroupbar', 'gradereport_visual'));
$this->layout = visualization::LAYOUT_AXIS;
$this->layoutsettings = array('false', 'true');
$this->nodeshape = visualization::SHAPE_VERTICAL_BAR;
$this->xaxis = 'grade';
$this->yaxis = 'students';
$this->xaxislabelformat = '0\\%';
$this->xaxisxoffset = -27;
$this->xaxislabel = get_string('grade', 'gradereport_visual');
if ($this->percent) {
$this->yaxislabelformat = '0\\%';
$this->yaxislabel = get_string('percentstudents', 'gradereport_visual');
} else {
$this->yaxislabel = get_string('numberstudents', 'gradereport_visual');
}
$this->title = get_string('gradedistribution:title', 'gradereport_visual');
$this->capability = 'gradereport/visual:vis:grade_distribution_group_bar';
$courseid = required_param('id');
$options = array();
$items = grade_item::fetch_all(array('courseid' => $courseid));
foreach ($items as $item) {
if (count($item->get_final()) > 0) {
$options[$item->id] = grade_report_visual::truncate($item->get_name());
}
}
$options['ai'] = 'All Items';
$this->selector = new selector('item', $options, 'ai');
$this->selectors = array($this->selector);
$this->colorencoder = new encoder(encoder::ENCODER_COLOR, 'group');
$this->encoders = array($this->colorencoder);
$this->grouplegend = new legend($this->colorencoder);
$this->legends = array($this->grouplegend);
}
$visid = optional_param('visid');
/// basic access checks
if (isset($DB) && !is_null($DB)) {
$course = $DB->get_record('course', array('id' => $courseid));
} else {
$course = get_record('course', 'id', $courseid);
}
if (!$course) {
print_error('nocourseid');
}
require_login($course);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('gradereport/visual:view', $context);
/// get tracking object
$gpr = new grade_plugin_return(array('type' => 'report', 'plugin' => 'visual', 'courseid' => $courseid));
$report = new grade_report_visual($courseid, $gpr, $context, $visid);
/// Make sure the user is allowed see this visualization
require_capability(grade_report_visual::get_visualization($report->visid, $context)->capability, $context);
grade_regrade_final_grades($courseid);
/// Turn of error reporting as hummans will not be seeing
/// this and it will be read by the front end. Notices and
/// warnings will break the format and stop the
/// front end from working.
error_reporting(0);
/// Get report object
$report->load_users();
$report->harvest_data();
$report->report_data();
$report->adapt_data();
/// Clean up cookie if it was created.
if ($cookiewasset) {
/// basic access checks
if (isset($DB) && !is_null($DB)) {
$course = $DB->get_record('course', array('id' => $courseid));
} else {
$course = get_record('course', 'id', $courseid);
}
if (!$course) {
print_error('nocourseid');
}
require_login($course);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('gradereport/visual:view', $context);
/// get tracking object
$gpr = new grade_plugin_return(array('type' => 'report', 'plugin' => 'visual', 'courseid' => $courseid));
/// get the visual report object.
$report = new grade_report_visual($courseid, $gpr, $context, $visid);
/// make sure the user is allowed to view the selected visualization.
require_capability(grade_report_visual::get_visualization($report->visid, $context)->capability, $context);
/// last selected report session tracking
if (!isset($USER->grade_last_report)) {
$USER->grade_last_report = array();
}
$USER->grade_last_report[$course->id] = 'visual';
$reportname = get_string('modulename', 'gradereport_stats');
/// Print report
echo '<html><title>' . $reportname . ' for ' . $course->shortname . '</title><body>';
echo '<div style="font-size:25px; text-align:center; font-weight:bold">' . $course->fullname . ': ' . $reportname . '</div>';
echo '<div style="text-align:center;">' . userdate(time()) . '</div>';
echo '<br/><br/>';
$report->adapt_html(true);
echo '</body></html>';
require_once $CFG->libdir . '/phpxml/xml.php';
$visname = required_param('visid');
$courseid = required_param('id');
/// basic access checks
if (isset($DB) && !is_null($DB)) {
$course = $DB->get_record('course', array('id' => $courseid));
} else {
$course = get_record('course', 'id', $courseid);
}
if (!$course) {
print_error('nocourseid');
}
require_login($course);
$context = get_context_instance(CONTEXT_COURSE, $course->id);
require_capability('gradereport/visual:view', $context);
$vis = grade_report_visual::get_visualization($visname, $context);
/// Make sure the user is allowed see this visualization
require_capability($vis->capability, $context);
/// Turn of error reporting as hummans will not be seeing
/// this and it will be read by the front end. Notices and
/// warnings will break the XML format and stop the
/// front end from working.
error_reporting(0);
/// Define array that repersents the XML output from the
/// visualization class selected.
$settings = array();
$settings['visualization'] = array();
$settings['visualization']['name'] = $vis->name;
$settings['visualization']['classname'] = get_class($vis);
$settings['visualization']['layout'] = array();
$settings['visualization']['layout']['type'] = $vis->layout;
/**
* Returns the current visualizations being used in the report
* or if none are set, it returns the them as whould be loaded
* by load_visualizations.
* @param object $context the context to use for checking if a user has access to view a visualization.
* @returns array array of classes that extend visualization
*/
public function get_visualizations($context = null)
{
if (!isset(grade_report_visual::$visualizations) || is_null(grade_report_visual::$visualizations) || empty(grade_report_visual::$visualizations)) {
return grade_report_visual::load_visualizations(true, $context);
} else {
return grade_report_visual::$visualizations;
}
}
