protected function getChart()
{
$pie = new PieChartRenderer();
$pie->alignTopLeft();
$pie->disableLegend();
$pie->drawPie(array('data' => $this->data, 'colors' => $this->colors, 'labels' => $this->labels));
return $pie;
}
public function testPieChartCreation()
{
$chart = new PieChart();
$chart->drawPie(array('label' => 'My bar', 'color' => 'black', 'green', 'red', 'data' => array(50, 50, 50)));
$doc = new DOMDocument();
$doc->preserveWhiteSpace = false;
$doc->loadXML($chart->render());
$xpath = new DOMXPath($doc);
$xpath->registerNamespace('x', 'http://www.w3.org/2000/svg');
$path = $xpath->query('//x:path[@data-icinga-graph-type="pieslice"]');
$this->assertEquals(3, $path->length, 'Assert the correct number of datapoints being drawn as SVG bars');
}
public function render($output = true)
{
$pie = new PieChartRenderer();
$pie->disableLegend();
$pie->drawPie(array('data' => $this->data, 'colors' => $this->colors, 'labels' => $this->labels));
$pie->setWidth($this->width)->setHeight($this->height);
if ($output) {
echo $pie->render();
} else {
return $pie->render();
}
}
/**
* Renders this widget via the given view and returns the
* HTML as a string
*
* @return string
*/
public function render()
{
if ($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;
}
