OEModule\OphCiExamination\components\RefractiveOutcomeReport::graphConfig PHP Method

    public function graphConfig()
    {
        if (!isset($this->series[0]['data'])) {
            $data = $this->dataSet();
        } else {
            $data = $this->series[0]['data'];
        }
        $totalEyes = 0;
        $plusOrMinusOne = 0;
        $plusOrMinusHalf = 0;
        $plusOrMinusHalfPercent = 0;
        $plusOrMinusOnePercent = 0;
        foreach ($data as $dataRow) {
            $totalEyes += (int) $dataRow[1];
            // 19 and 21 are the indexes of the -0.5 and +0.5 columns
            if ($dataRow[0] < 19 || $dataRow[0] > 21) {
                $plusOrMinusHalf += (int) $dataRow[1];
            }
            // 18 and 22 are the indexes of the -1 and +1 columns
            if ($dataRow[0] < 18 || $dataRow[0] > 22) {
                $plusOrMinusOne += (int) $dataRow[1];
            }
        }
        if ($plusOrMinusOne > 0) {
            $plusOrMinusOnePercent = number_format($plusOrMinusOne / $totalEyes * 100, 1, '.', '');
        }
        if ($plusOrMinusHalf > 0) {
            $plusOrMinusHalfPercent = number_format($plusOrMinusHalf / $totalEyes * 100, 1, '.', '');
        }
        $this->graphConfig['subtitle']['text'] = str_replace(array('{{eyes}}', '{{0.5}}', '{{1}}'), array($totalEyes, $plusOrMinusHalfPercent, $plusOrMinusOnePercent), $this->graphConfig['subtitle']['text']);
        $this->graphConfig['chart']['renderTo'] = $this->graphId();
        return json_encode(array_merge_recursive($this->globalGraphConfig, $this->graphConfig));
    }