phpspreadsheet - lines without markers in chart


phpspreadsheet - lines without markers in chart



I am using phpspreadsheet to generate line charts. Almost everything is fine, but I don't get how to change plot style.



Here is what I have:


function createChart($sheet, $sheetname, $data) {

$count = $data["custom"]["count"];

$sheet->getColumnDimensionByColumn(1)->setAutoSize(true);
$sheet->setCellValueByColumnAndRow(1, 1, $data["custom"]["type"]);


for($j=0; $j < $count; $j++)
$sheet->setCellValueByColumnAndRow(1, $j + 2, $data["custom"]["dates"][$j]);

for($i=0; $i< count($data["series"]); $i++) {

$sheet->setCellValueByColumnAndRow($i+2, 1, $data["series"][$i]["name"]);
$sheet->getColumnDimensionByColumn($i+2)->setAutoSize(true);

for($j=0; $j < $count; $j++)
{

$value = $data["series"][$i]["data"][$j] ? $data["series"][$i]["data"][$j] : 0;
$sheet->setCellValueByColumnAndRow($i+2, $j + 2, $value);
}
}

$dsl=array();

for($i=0; $i< count($data["series"]); $i++) {
$series = new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, $sheetname . '!' .
$sheet->getCellByColumnAndRow($i+2, 1)->getCoordinate(), NULL, 1, , NULL, NULL);
array_push($dsl, $series);
}

$xal=array(
new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, $sheetname . '!'.
$sheet->getCellByColumnAndRow(1, 2)->getCoordinate() . ':' .
$sheet->getCellByColumnAndRow(1, $count + 2)->getCoordinate() , NULL, $count)
);

$dsv = array();

for($i=0; $i< count($data["series"]); $i++) {
$series = new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, $sheetname . '!'.
$sheet->getCellByColumnAndRow($i+2, 2)->getCoordinate() . ':' .
$sheet->getCellByColumnAndRow($i+2, $count + 2)->getCoordinate() , NULL, $count);
array_push($dsv, $series);
}

$type = "";

switch($data["series"][0]["type"]) {

case CHART_TYPE_BARCHART:
$type = DataSeries::TYPE_BARCHART;
break;
case CHART_TYPE_LINECHART:
$type = DataSeries::TYPE_LINECHART;
break;
default:
$type = DataSeries::TYPE_LINECHART;
}

$ds = new DataSeries(
$type,
DataSeries::GROUPING_STANDARD,
range(0, count($dsv)-1),
$dsl,
$xal,
$dsv,
null,
true,
DataSeries::STYLE_MARKER
);

$pa = new PlotArea(NULL, array($ds));


$legend = new Legend(Legend::POSITION_BOTTOM, NULL, false);

$title = new Title($data["title"]["text"]);


$chart = new Chart(
'chart1',
$title,
$legend,
$pa,
0,
0,
NULL,
NULL
);

$chart->setTopLeftPosition( $sheet->getCellByColumnAndRow(count($data["series"]) + 3, 1)->getCoordinate());
$chart->setBottomRightPosition($sheet->getCellByColumnAndRow(count($data["series"]) + 17, 40)->getCoordinate());

$sheet->addChart($chart);

}



Specifically, I would like to draw lines without markers.



I tried passing all possible values the $plotStyle parameter of the Dataseries constructor, but this didn't have any effect.


$plotStyle


Dataseries



I know from the API docs that there is a Properties class which defines many constants influencing a chart's style, but I don't get how to use it, as it doesn't seem to be referenced by other classes.


Properties



I also know from this question that one can set style properties of the document being created, is this the right way? How to navigate to the chart's properties?




1 Answer
1



I found it myself. All I needed to do was passing the string "none" to the parameter $marker of the DataSeriesValues constructor:


"none"


$marker


DataSeriesValues


DataSeriesValues::__construct(
string $dataType = self::DATASERIES_TYPE_NUMBER,
string $dataSource = null
, null|mixed $formatCode = null,
int $pointCount = 0,
mixed $dataValues = ,
null|mixed $marker = null,
null|string $fillColor = null
)



So the relevant part of my code becomes:


for($i=0; $i< count($data["series"]); $i++) {
$series = new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, $sheetname . '!'.
$sheet->getCellByColumnAndRow($i+2, 2)->getCoordinate() . ':' .
$sheet->getCellByColumnAndRow($i+2, $count + 2)->getCoordinate() , NULL, $count, , "none");
array_push($dsv, $series);
}






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