public function testAliasedIsDataTable()
{
$this->assertTrue(Utils::isDataTable(new c\DataTable()));
$this->assertFalse(Utils::isDataTable(new \stdClass()));
}
/**
* Checks the Chart for DataTable and builds the Javascript code block
*
* Build the script block for the actual chart and passes it back to
* output function of the calling chart object. If there are any
* events defined, they will be automatically be attached to the chart and
* pulled from the callbacks folder.
*
* @access public
*
* @uses Chart
* @param Chart $chart Chart object to render.
* @param string $elementId HTML element id to output the chart into.
* @throws DataTableNotFound
* @throws InvalidElementId
*
* @return string Javascript code block.
*/
public function getChartJs(Chart $chart, $elementId = null)
{
if (isset($chart->datatable) && Utils::isDataTable($chart->datatable)) {
$this->chart = $chart;
} else {
throw new DataTableNotFound($chart);
}
if (Utils::nonEmptyString($elementId)) {
$this->elementId = $elementId;
} else {
throw new InvalidElementId($elementId);
}
return $this->buildChartJs();
}
