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<?php

use PhpOffice\PhpSpreadsheet\Chart\Chart;
use PhpOffice\PhpSpreadsheet\Chart\DataSeries;
use PhpOffice\PhpSpreadsheet\Chart\DataSeriesValues;
use PhpOffice\PhpSpreadsheet\Chart\Legend;
use PhpOffice\PhpSpreadsheet\Chart\PlotArea;
use PhpOffice\PhpSpreadsheet\Chart\Title;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Spreadsheet;

require __DIR__ . '/../Header.php';

$spreadsheet = new Spreadsheet();
$worksheet = $spreadsheet->getActiveSheet();
$worksheet->fromArray(
    [
        ['', 2010, 2011, 2012],
        ['Q1', 12, 15, 21],
        ['Q2', 56, 73, 86],
        ['Q3', 52, 61, 69],
        ['Q4', 30, 32, 0],
    ]
);

// Set the Labels for each data series we want to plot
//     Datatype
//     Cell reference for data
//     Format Code
//     Number of datapoints in series
//     Data values
//     Data Marker
$dataSeriesLabels = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$B$1', null, 1), // 2010
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$C$1', null, 1), // 2011
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$D$1', null, 1), // 2012
];
// Set the X-Axis Labels
//     Datatype
//     Cell reference for data
//     Format Code
//     Number of datapoints in series
//     Data values
//     Data Marker
$xAxisTickValues = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$A$2:$A$5', null, 4), // Q1 to Q4
];
// Set the Data values for each data series we want to plot
//     Datatype
//     Cell reference for data
//     Format Code
//     Number of datapoints in series
//     Data values
//     Data Marker
$dataSeriesValues = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, 'Worksheet!$B$2:$B$5', null, 4),
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, 'Worksheet!$C$2:$C$5', null, 4),
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, 'Worksheet!$D$2:$D$5', null, 4),
];
$dataSeriesValues[2]->setLineWidth(60000);

// Build the dataseries
$series = new DataSeries(
    DataSeries::TYPE_LINECHART, // plotType
    DataSeries::GROUPING_STACKED, // plotGrouping
    range(0, count($dataSeriesValues) - 1), // plotOrder
    $dataSeriesLabels, // plotLabel
    $xAxisTickValues, // plotCategory
    $dataSeriesValues        // plotValues
);

// Set the series in the plot area
$plotArea = new PlotArea(null, [$series]);
// Set the chart legend
$legend = new Legend(Legend::POSITION_TOPRIGHT, null, false);

$title = new Title('Test Stacked Line Chart');
$yAxisLabel = new Title('Value ($k)');

// Create the chart
$chart = new Chart(
    'chart1', // name
    $title, // title
    $legend, // legend
    $plotArea, // plotArea
    true, // plotVisibleOnly
    0, // displayBlanksAs
    null, // xAxisLabel
    $yAxisLabel  // yAxisLabel
);

// Set the position where the chart should appear in the worksheet
$chart->setTopLeftPosition('A7');
$chart->setBottomRightPosition('H20');

// Add the chart to the worksheet
$worksheet->addChart($chart);

// Save Excel 2007 file
$filename = $helper->getFilename(__FILE__);
$writer = IOFactory::createWriter($spreadsheet, 'Xlsx');
$writer->setIncludeCharts(true);
$callStartTime = microtime(true);
$writer->save($filename);
$helper->logWrite($writer, $filename, $callStartTime);