function createNewCanvas()
{
require_once '../config.php';
require_once "Canvas.php";
require_once "Chart.php";
global $current_user;
$canvas = Canvas::createNewCanvas($_REQUEST['name'], $userid = $current_user->user_id, $_REQUEST['note'], 0);
$_SESSION['Canvases'][$canvas->vid] = serialize($canvas);
//$rst = array();
$RST['charts'] = array();
//var_dump($canvas->charts );
if (isset($canvas->charts)) {
foreach ($canvas->charts as $chart) {
array_push($RST['charts'], $chart->printToArray());
}
}
$RST['vid'] = $canvas->vid;
$RST['name'] = $canvas->name;
$RST['privilege'] = $canvas->privilege;
$RST['authorization'] = $canvas->authorization;
$RST['mdate'] = $canvas->mdate;
$RST['cdate'] = $canvas->cdate;
$RST['note'] = $canvas->note;
$RST['isSave'] = $canvas->getIsSave();
echo json_encode($RST);
error_reporting(E_ALL);
}