PhabricatorDemoChartEngine.php
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PhabricatorDemoChartEngine.php
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	<?php

	final class PhabricatorDemoChartEngine
	extends PhabricatorChartEngine {

	const CHARTENGINEKEY = 'facts.demo';

	protected function newChart(PhabricatorFactChart $chart, array $map) {
	$viewer = $this->getViewer();

	$functions = array();

	$function = $this->newFunction(
	array('scale', 0.0001),
	array('cos'),
	array('scale', 128),
	array('shift', 256));

	$function->getFunctionLabel()
	->setKey('cos-x')
	->setName(pht('cos(x)'))
	->setColor('rgba(0, 200, 0, 1)')
	->setFillColor('rgba(0, 200, 0, 0.15)');

	$functions[] = $function;

	$function = $this->newFunction(
	array('constant', 345));

	$function->getFunctionLabel()
	->setKey('constant-345')
	->setName(pht('constant(345)'))
	->setColor('rgba(0, 0, 200, 1)')
	->setFillColor('rgba(0, 0, 200, 0.15)');

	$functions[] = $function;

	$datasets = array();

	$datasets[] = id(new PhabricatorChartStackedAreaDataset())
	->setFunctions($functions);

	$chart->attachDatasets($datasets);
	}

	}