32_Chart_read_write.php
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<?php
use PhpOffice\PhpSpreadsheet\IOFactory;
require __DIR__ . '/../Header.php';
$inputFileType = 'Xlsx';
$inputFileNames = __DIR__ . '/../templates/32readwrite*[0-9].xlsx';
if ((isset($argc)) && ($argc > 1)) {
$inputFileNames = [];
for ($i = 1; $i < $argc; ++$i) {
$inputFileNames[] = __DIR__ . '/../templates/' . $argv[$i];
}
} else {
$inputFileNames = glob($inputFileNames);
}
foreach ($inputFileNames as $inputFileName) {
$inputFileNameShort = basename($inputFileName);
if (!file_exists($inputFileName)) {
$helper->log('File ' . $inputFileNameShort . ' does not exist');
continue;
}
$reader = IOFactory::createReader($inputFileType);
$reader->setIncludeCharts(true);
$callStartTime = microtime(true);
$spreadsheet = $reader->load($inputFileName);
$helper->logRead($inputFileType, $inputFileName, $callStartTime);
$helper->log('Iterate worksheets looking at the charts');
foreach ($spreadsheet->getWorksheetIterator() as $worksheet) {
$sheetName = $worksheet->getTitle();
$helper->log('Worksheet: ' . $sheetName);
$chartNames = $worksheet->getChartNames();
if (empty($chartNames)) {
$helper->log(' There are no charts in this worksheet');
} else {
natsort($chartNames);
foreach ($chartNames as $i => $chartName) {
$chart = $worksheet->getChartByName($chartName);
if ($chart->getTitle() !== null) {
$caption = '"' . implode(' ', $chart->getTitle()->getCaption()) . '"';
} else {
$caption = 'Untitled';
}
$helper->log(' ' . $chartName . ' - ' . $caption);
$indentation = str_repeat(' ', strlen($chartName) + 3);
$groupCount = $chart->getPlotArea()->getPlotGroupCount();
if ($groupCount == 1) {
$chartType = $chart->getPlotArea()->getPlotGroupByIndex(0)->getPlotType();
$helper->log($indentation . ' ' . $chartType);
} else {
$chartTypes = [];
for ($i = 0; $i < $groupCount; ++$i) {
$chartTypes[] = $chart->getPlotArea()->getPlotGroupByIndex($i)->getPlotType();
}
$chartTypes = array_unique($chartTypes);
if (count($chartTypes) == 1) {
$chartType = 'Multiple Plot ' . array_pop($chartTypes);
$helper->log($indentation . ' ' . $chartType);
} elseif (count($chartTypes) == 0) {
$helper->log($indentation . ' *** Type not yet implemented');
} else {
$helper->log($indentation . ' Combination Chart');
}
}
}
}
}
$outputFileName = $helper->getFilename($inputFileName);
$writer = IOFactory::createWriter($spreadsheet, 'Xlsx');
$writer->setIncludeCharts(true);
$callStartTime = microtime(true);
$writer->save($outputFileName);
$helper->logWrite($writer, $outputFileName, $callStartTime);
$spreadsheet->disconnectWorksheets();
unset($spreadsheet);
}