public function buildDashboard()
{
$labels = [];
$data = [];
$data2 = [];
for ($i = -1; ++$i < 30;) {
$labels[$i] = $i + 1 . ' Nov 2014';
$data[$i] = rand(1, 20000);
$data2[$i] = rand(1, 20000);
}
// $c1 = new ChartComponent("c1");
// $c1->setCaption("Sales");
// $c1->setDimensions(4, 4);
// $c1->setLabels($labels);
// $c1->addSeries("sales", "Sales", $data, array ("seriesDisplayType"=> 'column', "numberPrefix"=> '$'));
// $this->addComponent ($c1);
$c2 = new ChartComponent("c2");
$c2->setCaption("Sales");
$c2->setDimensions(6, 4);
$c2->setLabels($labels);
$c2->setYAxis("Hello");
$c2->addYAxis("quantity", "Quantity", array("numberPrefix" => "#", 'numberHumanize' => true));
$c2->addSeries("sales", "Sales", $data, array("seriesDisplayType" => 'column', "numberPrefix" => '$', 'numberHumanize' => true));
$c2->addSeries("sales2", "Sales", $data2, array("seriesDisplayType" => 'column', "numberPrefix" => '$', 'yAxis' => 'quantity', 'numberHumanize' => true));
$c2->setLabelStep(5);
$this->addComponent($c2);
}