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<?php // $Id: reportsgraph.php,v 1.1.2.1 2006/07/19 07:59:17 skodak Exp $
require_once('../../../config.php');
require_once($CFG->dirroot.'/lib/statslib.php');
require_once($CFG->dirroot.'/lib/graphlib.php');
$report = required_param('report', PARAM_INT);
$time = required_param('time', PARAM_INT);
$numcourses = required_param('numcourses', PARAM_INT);
require_login();
if (!isadmin()) {
error("You must be an admin to use this page");
}
stats_check_uptodate($course->id);
$param = stats_get_parameters($time,$report,SITEID,STATS_MODE_RANKED);
$sql = "SELECT courseid,".$param->fields." FROM ".$CFG->prefix.'stats_'.$param->table
." WHERE timeend >= ".$param->timeafter
." GROUP BY courseid "
.$param->extras
." ORDER BY ".$param->orderby
." LIMIT ".$numcourses;
$courses = get_records_sql($sql);
if (empty($courses)) {
error(get_string('statsnodata'),$CFG->wwwroot.'/'.$CFG->admin.'/report/course/index.php');
}
$graph = new graph(750,400);
$graph->parameter['legend'] = 'outside-right';
$graph->parameter['legend_size'] = 10;
$graph->parameter['x_axis_angle'] = 90;
$graph->parameter['title'] = false; // moodle will do a nicer job.
if ($report != STATS_REPORT_ACTIVE_COURSES) {
$graph->parameter['y_decimal_left'] = 2;
}
foreach ($courses as $c) {
$graph->x_data[] = get_field('course','shortname','id',$c->courseid);
$graph->y_data['bar1'][] = $c->{$param->graphline};
}
$graph->y_order = array('bar1');
$graph->y_format['bar1'] = array('colour' => 'blue','bar' => 'fill','legend' => $param->{$param->graphline});
$graph->draw_stack();
?>
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