/**
* Renders this widget via the given view and returns the
* HTML as a string
*
* @return string
*/
public function render()
{
if ($this->view()->layout()->getLayout() === 'pdf') {
$pie = new PieChart();
$pie->alignTopLeft();
$pie->disableLegend();
$pie->drawPie(array('data' => $this->data, 'colors' => $this->colors));
try {
$png = $pie->toPng($this->size, $this->size);
return '<img class="inlinepie" src="data:image/png;base64,' . base64_encode($png) . '" />';
} catch (IcingaException $_) {
return '';
}
}
$template = $this->template;
// TODO: Check whether we are XHR and don't send
$template = str_replace('{noscript}', $this->noscript, $template);
$template = str_replace('{url}', $this->url, $template);
$template = str_replace('{class}', $this->class, $template);
// style
$template = str_replace('{size}', isset($this->size) ? $this->size : 16, $template);
$template = str_replace('{title}', $this->title, $template);
$template = str_replace('{colors}', implode(',', $this->colors), $template);
// Locale-ignorant string cast. Please. Do. NOT. Remove. This. Again.
// Problem is that implode respects locales when casting floats. This means
// that implode(',', array(1.1, 1.2)) would read '1,1,1,2'.
$data = array();
foreach ($this->data as $dat) {
$data[] = sprintf('%F', $dat);
}
$template = str_replace('{data}', htmlspecialchars(implode(',', $data)), $template);
return $template;
}
