/**
* Renders the chart into the page
*
* Given a chart label and an HTML element id, this will output
* all of the necessary javascript to generate the chart.
*
* @access public
* @since v2.0.0
*
* @param string $chartType Type of chart to render.
* @param string $chartLabel Label of a saved chart.
* @param string $elementId HTML element id to render the chart into.
* @param mixed $divDimensions Set true for div creation, or pass an array with height & width
*
* @return string
*/
public function renderChart($chartType, $chartLabel, $elementId, $divDimensions = false)
{
$jsOutput = '';
$chart = $this->volcano->getChart($chartType, $chartLabel);
if ($this->jsFactory->coreJsRendered() === false) {
$jsOutput = $this->jsFactory->getCoreJs();
$this->jsFactory->coreJsRendered(true);
}
if ($divDimensions !== false) {
$jsOutput .= $this->div($elementId, $divDimensions);
}
$jsOutput .= $this->jsFactory->getChartJs($chart, $elementId);
return $jsOutput;
}
/**
* Outputs the chart javascript into the page
*
* Pass in a string of the html elementID that you want the chart to be
* rendered into.
*
* @since v2.0.0
* @param string $ei The id of an HTML element to render the chart into.
* @throws InvalidElementId
*
* @return string Javscript code blocks
*/
public function render($ei)
{
$jsf = new JavascriptFactory();
return $jsf->getChartJs($this, $ei);
}
