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author | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
---|---|---|
committer | Anton Luka Šijanec <anton@sijanec.eu> | 2024-05-27 13:08:29 +0200 |
commit | 75160b12821f7f4299cce7f0b69c83c1502ae071 (patch) | |
tree | 27e25e4ccaef45f0c58b22831164050d1af1d4db /vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Html.php | |
parent | prvi-commit (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Html.php | 1864 |
1 files changed, 1864 insertions, 0 deletions
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Html.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Html.php new file mode 100644 index 0000000..2153a69 --- /dev/null +++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Writer/Html.php @@ -0,0 +1,1864 @@ +<?php
+
+namespace PhpOffice\PhpSpreadsheet\Writer;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
+use PhpOffice\PhpSpreadsheet\Cell\Cell;
+use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
+use PhpOffice\PhpSpreadsheet\Chart\Chart;
+use PhpOffice\PhpSpreadsheet\RichText\RichText;
+use PhpOffice\PhpSpreadsheet\RichText\Run;
+use PhpOffice\PhpSpreadsheet\Shared\Drawing as SharedDrawing;
+use PhpOffice\PhpSpreadsheet\Shared\File;
+use PhpOffice\PhpSpreadsheet\Shared\Font as SharedFont;
+use PhpOffice\PhpSpreadsheet\Shared\StringHelper;
+use PhpOffice\PhpSpreadsheet\Spreadsheet;
+use PhpOffice\PhpSpreadsheet\Style\Alignment;
+use PhpOffice\PhpSpreadsheet\Style\Border;
+use PhpOffice\PhpSpreadsheet\Style\Borders;
+use PhpOffice\PhpSpreadsheet\Style\Fill;
+use PhpOffice\PhpSpreadsheet\Style\Font;
+use PhpOffice\PhpSpreadsheet\Style\NumberFormat;
+use PhpOffice\PhpSpreadsheet\Style\Style;
+use PhpOffice\PhpSpreadsheet\Worksheet\Drawing;
+use PhpOffice\PhpSpreadsheet\Worksheet\MemoryDrawing;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+
+class Html extends BaseWriter
+{
+ /**
+ * Spreadsheet object.
+ *
+ * @var Spreadsheet
+ */
+ protected $spreadsheet;
+
+ /**
+ * Sheet index to write.
+ *
+ * @var int
+ */
+ private $sheetIndex = 0;
+
+ /**
+ * Images root.
+ *
+ * @var string
+ */
+ private $imagesRoot = '';
+
+ /**
+ * embed images, or link to images.
+ *
+ * @var bool
+ */
+ private $embedImages = false;
+
+ /**
+ * Use inline CSS?
+ *
+ * @var bool
+ */
+ private $useInlineCss = false;
+
+ /**
+ * Use embedded CSS?
+ *
+ * @var bool
+ */
+ private $useEmbeddedCSS = true;
+
+ /**
+ * Array of CSS styles.
+ *
+ * @var array
+ */
+ private $cssStyles;
+
+ /**
+ * Array of column widths in points.
+ *
+ * @var array
+ */
+ private $columnWidths;
+
+ /**
+ * Default font.
+ *
+ * @var Font
+ */
+ private $defaultFont;
+
+ /**
+ * Flag whether spans have been calculated.
+ *
+ * @var bool
+ */
+ private $spansAreCalculated = false;
+
+ /**
+ * Excel cells that should not be written as HTML cells.
+ *
+ * @var array
+ */
+ private $isSpannedCell = [];
+
+ /**
+ * Excel cells that are upper-left corner in a cell merge.
+ *
+ * @var array
+ */
+ private $isBaseCell = [];
+
+ /**
+ * Excel rows that should not be written as HTML rows.
+ *
+ * @var array
+ */
+ private $isSpannedRow = [];
+
+ /**
+ * Is the current writer creating PDF?
+ *
+ * @var bool
+ */
+ protected $isPdf = false;
+
+ /**
+ * Generate the Navigation block.
+ *
+ * @var bool
+ */
+ private $generateSheetNavigationBlock = true;
+
+ /**
+ * Callback for editing generated html.
+ *
+ * @var null|callable
+ */
+ private $editHtmlCallback;
+
+ /**
+ * Create a new HTML.
+ */
+ public function __construct(Spreadsheet $spreadsheet)
+ {
+ $this->spreadsheet = $spreadsheet;
+ $this->defaultFont = $this->spreadsheet->getDefaultStyle()->getFont();
+ }
+
+ /**
+ * Save Spreadsheet to file.
+ *
+ * @param resource|string $pFilename
+ */
+ public function save($pFilename): void
+ {
+ // Open file
+ $this->openFileHandle($pFilename);
+
+ // Write html
+ fwrite($this->fileHandle, $this->generateHTMLAll());
+
+ // Close file
+ $this->maybeCloseFileHandle();
+ }
+
+ /**
+ * Save Spreadsheet as html to variable.
+ *
+ * @return string
+ */
+ public function generateHtmlAll()
+ {
+ // garbage collect
+ $this->spreadsheet->garbageCollect();
+
+ $saveDebugLog = Calculation::getInstance($this->spreadsheet)->getDebugLog()->getWriteDebugLog();
+ Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog(false);
+ $saveArrayReturnType = Calculation::getArrayReturnType();
+ Calculation::setArrayReturnType(Calculation::RETURN_ARRAY_AS_VALUE);
+
+ // Build CSS
+ $this->buildCSS(!$this->useInlineCss);
+
+ $html = '';
+
+ // Write headers
+ $html .= $this->generateHTMLHeader(!$this->useInlineCss);
+
+ // Write navigation (tabs)
+ if ((!$this->isPdf) && ($this->generateSheetNavigationBlock)) {
+ $html .= $this->generateNavigation();
+ }
+
+ // Write data
+ $html .= $this->generateSheetData();
+
+ // Write footer
+ $html .= $this->generateHTMLFooter();
+ $callback = $this->editHtmlCallback;
+ if ($callback) {
+ $html = $callback($html);
+ }
+
+ Calculation::setArrayReturnType($saveArrayReturnType);
+ Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog($saveDebugLog);
+
+ return $html;
+ }
+
+ /**
+ * Set a callback to edit the entire HTML.
+ *
+ * The callback must accept the HTML as string as first parameter,
+ * and it must return the edited HTML as string.
+ */
+ public function setEditHtmlCallback(?callable $callback): void
+ {
+ $this->editHtmlCallback = $callback;
+ }
+
+ const VALIGN_ARR = [
+ Alignment::VERTICAL_BOTTOM => 'bottom',
+ Alignment::VERTICAL_TOP => 'top',
+ Alignment::VERTICAL_CENTER => 'middle',
+ Alignment::VERTICAL_JUSTIFY => 'middle',
+ ];
+
+ /**
+ * Map VAlign.
+ *
+ * @param string $vAlign Vertical alignment
+ *
+ * @return string
+ */
+ private function mapVAlign($vAlign)
+ {
+ return array_key_exists($vAlign, self::VALIGN_ARR) ? self::VALIGN_ARR[$vAlign] : 'baseline';
+ }
+
+ const HALIGN_ARR = [
+ Alignment::HORIZONTAL_LEFT => 'left',
+ Alignment::HORIZONTAL_RIGHT => 'right',
+ Alignment::HORIZONTAL_CENTER => 'center',
+ Alignment::HORIZONTAL_CENTER_CONTINUOUS => 'center',
+ Alignment::HORIZONTAL_JUSTIFY => 'justify',
+ ];
+
+ /**
+ * Map HAlign.
+ *
+ * @param string $hAlign Horizontal alignment
+ *
+ * @return string
+ */
+ private function mapHAlign($hAlign)
+ {
+ return array_key_exists($hAlign, self::HALIGN_ARR) ? self::HALIGN_ARR[$hAlign] : '';
+ }
+
+ const BORDER_ARR = [
+ Border::BORDER_NONE => 'none',
+ Border::BORDER_DASHDOT => '1px dashed',
+ Border::BORDER_DASHDOTDOT => '1px dotted',
+ Border::BORDER_DASHED => '1px dashed',
+ Border::BORDER_DOTTED => '1px dotted',
+ Border::BORDER_DOUBLE => '3px double',
+ Border::BORDER_HAIR => '1px solid',
+ Border::BORDER_MEDIUM => '2px solid',
+ Border::BORDER_MEDIUMDASHDOT => '2px dashed',
+ Border::BORDER_MEDIUMDASHDOTDOT => '2px dotted',
+ Border::BORDER_SLANTDASHDOT => '2px dashed',
+ Border::BORDER_THICK => '3px solid',
+ ];
+
+ /**
+ * Map border style.
+ *
+ * @param int $borderStyle Sheet index
+ *
+ * @return string
+ */
+ private function mapBorderStyle($borderStyle)
+ {
+ return array_key_exists($borderStyle, self::BORDER_ARR) ? self::BORDER_ARR[$borderStyle] : '1px solid';
+ }
+
+ /**
+ * Get sheet index.
+ *
+ * @return int
+ */
+ public function getSheetIndex()
+ {
+ return $this->sheetIndex;
+ }
+
+ /**
+ * Set sheet index.
+ *
+ * @param int $pValue Sheet index
+ *
+ * @return $this
+ */
+ public function setSheetIndex($pValue)
+ {
+ $this->sheetIndex = $pValue;
+
+ return $this;
+ }
+
+ /**
+ * Get sheet index.
+ *
+ * @return bool
+ */
+ public function getGenerateSheetNavigationBlock()
+ {
+ return $this->generateSheetNavigationBlock;
+ }
+
+ /**
+ * Set sheet index.
+ *
+ * @param bool $pValue Flag indicating whether the sheet navigation block should be generated or not
+ *
+ * @return $this
+ */
+ public function setGenerateSheetNavigationBlock($pValue)
+ {
+ $this->generateSheetNavigationBlock = (bool) $pValue;
+
+ return $this;
+ }
+
+ /**
+ * Write all sheets (resets sheetIndex to NULL).
+ *
+ * @return $this
+ */
+ public function writeAllSheets()
+ {
+ $this->sheetIndex = null;
+
+ return $this;
+ }
+
+ private static function generateMeta($val, $desc)
+ {
+ return $val ? (' <meta name="' . $desc . '" content="' . htmlspecialchars($val) . '" />' . PHP_EOL) : '';
+ }
+
+ /**
+ * Generate HTML header.
+ *
+ * @param bool $pIncludeStyles Include styles?
+ *
+ * @return string
+ */
+ public function generateHTMLHeader($pIncludeStyles = false)
+ {
+ // Construct HTML
+ $properties = $this->spreadsheet->getProperties();
+ $html = '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">' . PHP_EOL;
+ $html .= '<html xmlns="http://www.w3.org/1999/xhtml">' . PHP_EOL;
+ $html .= ' <head>' . PHP_EOL;
+ $html .= ' <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />' . PHP_EOL;
+ $html .= ' <meta name="generator" content="PhpSpreadsheet, https://github.com/PHPOffice/PhpSpreadsheet" />' . PHP_EOL;
+ $html .= ' <title>' . htmlspecialchars($properties->getTitle()) . '</title>' . PHP_EOL;
+ $html .= self::generateMeta($properties->getCreator(), 'author');
+ $html .= self::generateMeta($properties->getTitle(), 'title');
+ $html .= self::generateMeta($properties->getDescription(), 'description');
+ $html .= self::generateMeta($properties->getSubject(), 'subject');
+ $html .= self::generateMeta($properties->getKeywords(), 'keywords');
+ $html .= self::generateMeta($properties->getCategory(), 'category');
+ $html .= self::generateMeta($properties->getCompany(), 'company');
+ $html .= self::generateMeta($properties->getManager(), 'manager');
+
+ $html .= $pIncludeStyles ? $this->generateStyles(true) : $this->generatePageDeclarations(true);
+
+ $html .= ' </head>' . PHP_EOL;
+ $html .= '' . PHP_EOL;
+ $html .= ' <body>' . PHP_EOL;
+
+ return $html;
+ }
+
+ private function generateSheetPrep()
+ {
+ // Ensure that Spans have been calculated?
+ $this->calculateSpans();
+
+ // Fetch sheets
+ if ($this->sheetIndex === null) {
+ $sheets = $this->spreadsheet->getAllSheets();
+ } else {
+ $sheets = [$this->spreadsheet->getSheet($this->sheetIndex)];
+ }
+
+ return $sheets;
+ }
+
+ private function generateSheetStarts($sheet, $rowMin)
+ {
+ // calculate start of <tbody>, <thead>
+ $tbodyStart = $rowMin;
+ $theadStart = $theadEnd = 0; // default: no <thead> no </thead>
+ if ($sheet->getPageSetup()->isRowsToRepeatAtTopSet()) {
+ $rowsToRepeatAtTop = $sheet->getPageSetup()->getRowsToRepeatAtTop();
+
+ // we can only support repeating rows that start at top row
+ if ($rowsToRepeatAtTop[0] == 1) {
+ $theadStart = $rowsToRepeatAtTop[0];
+ $theadEnd = $rowsToRepeatAtTop[1];
+ $tbodyStart = $rowsToRepeatAtTop[1] + 1;
+ }
+ }
+
+ return [$theadStart, $theadEnd, $tbodyStart];
+ }
+
+ private function generateSheetTags($row, $theadStart, $theadEnd, $tbodyStart)
+ {
+ // <thead> ?
+ $startTag = ($row == $theadStart) ? (' <thead>' . PHP_EOL) : '';
+ if (!$startTag) {
+ $startTag = ($row == $tbodyStart) ? (' <tbody>' . PHP_EOL) : '';
+ }
+ $endTag = ($row == $theadEnd) ? (' </thead>' . PHP_EOL) : '';
+ $cellType = ($row >= $tbodyStart) ? 'td' : 'th';
+
+ return [$cellType, $startTag, $endTag];
+ }
+
+ /**
+ * Generate sheet data.
+ *
+ * @return string
+ */
+ public function generateSheetData()
+ {
+ $sheets = $this->generateSheetPrep();
+
+ // Construct HTML
+ $html = '';
+
+ // Loop all sheets
+ $sheetId = 0;
+ foreach ($sheets as $sheet) {
+ // Write table header
+ $html .= $this->generateTableHeader($sheet);
+
+ // Get worksheet dimension
+ [$min, $max] = explode(':', $sheet->calculateWorksheetDataDimension());
+ [$minCol, $minRow] = Coordinate::coordinateFromString($min);
+ $minCol = Coordinate::columnIndexFromString($minCol);
+ [$maxCol, $maxRow] = Coordinate::coordinateFromString($max);
+ $maxCol = Coordinate::columnIndexFromString($maxCol);
+
+ [$theadStart, $theadEnd, $tbodyStart] = $this->generateSheetStarts($sheet, $minRow);
+
+ // Loop through cells
+ $row = $minRow - 1;
+ while ($row++ < $maxRow) {
+ [$cellType, $startTag, $endTag] = $this->generateSheetTags($row, $theadStart, $theadEnd, $tbodyStart);
+ $html .= $startTag;
+
+ // Write row if there are HTML table cells in it
+ if (!isset($this->isSpannedRow[$sheet->getParent()->getIndex($sheet)][$row])) {
+ // Start a new rowData
+ $rowData = [];
+ // Loop through columns
+ $column = $minCol;
+ while ($column <= $maxCol) {
+ // Cell exists?
+ if ($sheet->cellExistsByColumnAndRow($column, $row)) {
+ $rowData[$column] = Coordinate::stringFromColumnIndex($column) . $row;
+ } else {
+ $rowData[$column] = '';
+ }
+ ++$column;
+ }
+ $html .= $this->generateRow($sheet, $rowData, $row - 1, $cellType);
+ }
+
+ $html .= $endTag;
+ }
+ $html .= $this->extendRowsForChartsAndImages($sheet, $row);
+
+ // Write table footer
+ $html .= $this->generateTableFooter();
+ // Writing PDF?
+ if ($this->isPdf && $this->useInlineCss) {
+ if ($this->sheetIndex === null && $sheetId + 1 < $this->spreadsheet->getSheetCount()) {
+ $html .= '<div style="page-break-before:always" ></div>';
+ }
+ }
+
+ // Next sheet
+ ++$sheetId;
+ }
+
+ return $html;
+ }
+
+ /**
+ * Generate sheet tabs.
+ *
+ * @return string
+ */
+ public function generateNavigation()
+ {
+ // Fetch sheets
+ $sheets = [];
+ if ($this->sheetIndex === null) {
+ $sheets = $this->spreadsheet->getAllSheets();
+ } else {
+ $sheets[] = $this->spreadsheet->getSheet($this->sheetIndex);
+ }
+
+ // Construct HTML
+ $html = '';
+
+ // Only if there are more than 1 sheets
+ if (count($sheets) > 1) {
+ // Loop all sheets
+ $sheetId = 0;
+
+ $html .= '<ul class="navigation">' . PHP_EOL;
+
+ foreach ($sheets as $sheet) {
+ $html .= ' <li class="sheet' . $sheetId . '"><a href="#sheet' . $sheetId . '">' . $sheet->getTitle() . '</a></li>' . PHP_EOL;
+ ++$sheetId;
+ }
+
+ $html .= '</ul>' . PHP_EOL;
+ }
+
+ return $html;
+ }
+
+ /**
+ * Extend Row if chart is placed after nominal end of row.
+ * This code should be exercised by sample:
+ * Chart/32_Chart_read_write_PDF.php.
+ * However, that test is suppressed due to out-of-date
+ * Jpgraph code issuing warnings. So, don't measure
+ * code coverage for this function till that is fixed.
+ *
+ * @param Worksheet $pSheet \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet
+ * @param int $row Row to check for charts
+ *
+ * @return array
+ *
+ * @codeCoverageIgnore
+ */
+ private function extendRowsForCharts(Worksheet $pSheet, int $row)
+ {
+ $rowMax = $row;
+ $colMax = 'A';
+ $anyfound = false;
+ if ($this->includeCharts) {
+ foreach ($pSheet->getChartCollection() as $chart) {
+ if ($chart instanceof Chart) {
+ $anyfound = true;
+ $chartCoordinates = $chart->getTopLeftPosition();
+ $chartTL = Coordinate::coordinateFromString($chartCoordinates['cell']);
+ $chartCol = Coordinate::columnIndexFromString($chartTL[0]);
+ if ($chartTL[1] > $rowMax) {
+ $rowMax = $chartTL[1];
+ if ($chartCol > Coordinate::columnIndexFromString($colMax)) {
+ $colMax = $chartTL[0];
+ }
+ }
+ }
+ }
+ }
+
+ return [$rowMax, $colMax, $anyfound];
+ }
+
+ private function extendRowsForChartsAndImages(Worksheet $pSheet, int $row): string
+ {
+ [$rowMax, $colMax, $anyfound] = $this->extendRowsForCharts($pSheet, $row);
+
+ foreach ($pSheet->getDrawingCollection() as $drawing) {
+ $anyfound = true;
+ $imageTL = Coordinate::coordinateFromString($drawing->getCoordinates());
+ $imageCol = Coordinate::columnIndexFromString($imageTL[0]);
+ if ($imageTL[1] > $rowMax) {
+ $rowMax = $imageTL[1];
+ if ($imageCol > Coordinate::columnIndexFromString($colMax)) {
+ $colMax = $imageTL[0];
+ }
+ }
+ }
+
+ // Don't extend rows if not needed
+ if ($row === $rowMax || !$anyfound) {
+ return '';
+ }
+
+ $html = '';
+ ++$colMax;
+ ++$row;
+ while ($row <= $rowMax) {
+ $html .= '<tr>';
+ for ($col = 'A'; $col != $colMax; ++$col) {
+ $htmlx = $this->writeImageInCell($pSheet, $col . $row);
+ $htmlx .= $this->includeCharts ? $this->writeChartInCell($pSheet, $col . $row) : '';
+ if ($htmlx) {
+ $html .= "<td class='style0' style='position: relative;'>$htmlx</td>";
+ } else {
+ $html .= "<td class='style0'></td>";
+ }
+ }
+ ++$row;
+ $html .= '</tr>' . PHP_EOL;
+ }
+
+ return $html;
+ }
+
+ /**
+ * Convert Windows file name to file protocol URL.
+ *
+ * @param string $filename file name on local system
+ *
+ * @return string
+ */
+ public static function winFileToUrl($filename)
+ {
+ // Windows filename
+ if (substr($filename, 1, 2) === ':\\') {
+ $filename = 'file:///' . str_replace('\\', '/', $filename);
+ }
+
+ return $filename;
+ }
+
+ /**
+ * Generate image tag in cell.
+ *
+ * @param Worksheet $pSheet \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet
+ * @param string $coordinates Cell coordinates
+ *
+ * @return string
+ */
+ private function writeImageInCell(Worksheet $pSheet, $coordinates)
+ {
+ // Construct HTML
+ $html = '';
+
+ // Write images
+ foreach ($pSheet->getDrawingCollection() as $drawing) {
+ if ($drawing->getCoordinates() != $coordinates) {
+ continue;
+ }
+ $filedesc = $drawing->getDescription();
+ $filedesc = $filedesc ? htmlspecialchars($filedesc, ENT_QUOTES) : 'Embedded image';
+ if ($drawing instanceof Drawing) {
+ $filename = $drawing->getPath();
+
+ // Strip off eventual '.'
+ $filename = preg_replace('/^[.]/', '', $filename);
+
+ // Prepend images root
+ $filename = $this->getImagesRoot() . $filename;
+
+ // Strip off eventual '.' if followed by non-/
+ $filename = preg_replace('@^[.]([^/])@', '$1', $filename);
+
+ // Convert UTF8 data to PCDATA
+ $filename = htmlspecialchars($filename);
+
+ $html .= PHP_EOL;
+ $imageData = self::winFileToUrl($filename);
+
+ if ($this->embedImages && !$this->isPdf) {
+ $picture = @file_get_contents($filename);
+ if ($picture !== false) {
+ $imageDetails = getimagesize($filename);
+ // base64 encode the binary data
+ $base64 = base64_encode($picture);
+ $imageData = 'data:' . $imageDetails['mime'] . ';base64,' . $base64;
+ }
+ }
+
+ $html .= '<img style="position: absolute; z-index: 1; left: ' .
+ $drawing->getOffsetX() . 'px; top: ' . $drawing->getOffsetY() . 'px; width: ' .
+ $drawing->getWidth() . 'px; height: ' . $drawing->getHeight() . 'px;" src="' .
+ $imageData . '" alt="' . $filedesc . '" />';
+ } elseif ($drawing instanceof MemoryDrawing) {
+ ob_start(); // Let's start output buffering.
+ imagepng($drawing->getImageResource()); // This will normally output the image, but because of ob_start(), it won't.
+ $contents = ob_get_contents(); // Instead, output above is saved to $contents
+ ob_end_clean(); // End the output buffer.
+
+ $dataUri = 'data:image/jpeg;base64,' . base64_encode($contents);
+
+ // Because of the nature of tables, width is more important than height.
+ // max-width: 100% ensures that image doesnt overflow containing cell
+ // width: X sets width of supplied image.
+ // As a result, images bigger than cell will be contained and images smaller will not get stretched
+ $html .= '<img alt="' . $filedesc . '" src="' . $dataUri . '" style="max-width:100%;width:' . $drawing->getWidth() . 'px;" />';
+ }
+ }
+
+ return $html;
+ }
+
+ /**
+ * Generate chart tag in cell.
+ * This code should be exercised by sample:
+ * Chart/32_Chart_read_write_PDF.php.
+ * However, that test is suppressed due to out-of-date
+ * Jpgraph code issuing warnings. So, don't measure
+ * code coverage for this function till that is fixed.
+ *
+ * @param Worksheet $pSheet \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet
+ * @param string $coordinates Cell coordinates
+ *
+ * @return string
+ *
+ * @codeCoverageIgnore
+ */
+ private function writeChartInCell(Worksheet $pSheet, $coordinates)
+ {
+ // Construct HTML
+ $html = '';
+
+ // Write charts
+ foreach ($pSheet->getChartCollection() as $chart) {
+ if ($chart instanceof Chart) {
+ $chartCoordinates = $chart->getTopLeftPosition();
+ if ($chartCoordinates['cell'] == $coordinates) {
+ $chartFileName = File::sysGetTempDir() . '/' . uniqid('', true) . '.png';
+ if (!$chart->render($chartFileName)) {
+ return;
+ }
+
+ $html .= PHP_EOL;
+ $imageDetails = getimagesize($chartFileName);
+ $filedesc = $chart->getTitle();
+ $filedesc = $filedesc ? self::getChartCaption($filedesc->getCaption()) : '';
+ $filedesc = $filedesc ? htmlspecialchars($filedesc, ENT_QUOTES) : 'Embedded chart';
+ if ($fp = fopen($chartFileName, 'rb', 0)) {
+ $picture = fread($fp, filesize($chartFileName));
+ fclose($fp);
+ // base64 encode the binary data
+ $base64 = base64_encode($picture);
+ $imageData = 'data:' . $imageDetails['mime'] . ';base64,' . $base64;
+
+ $html .= '<img style="position: absolute; z-index: 1; left: ' . $chartCoordinates['xOffset'] . 'px; top: ' . $chartCoordinates['yOffset'] . 'px; width: ' . $imageDetails[0] . 'px; height: ' . $imageDetails[1] . 'px;" src="' . $imageData . '" alt="' . $filedesc . '" />' . PHP_EOL;
+
+ unlink($chartFileName);
+ }
+ }
+ }
+ }
+
+ // Return
+ return $html;
+ }
+
+ /**
+ * Extend Row if chart is placed after nominal end of row.
+ * This code should be exercised by sample:
+ * Chart/32_Chart_read_write_PDF.php.
+ * However, that test is suppressed due to out-of-date
+ * Jpgraph code issuing warnings. So, don't measure
+ * code coverage for this function till that is fixed.
+ * Caption is described in documentation as fixed,
+ * but in 32_Chart it is somehow an array of RichText.
+ *
+ * @param mixed $cap
+ *
+ * @return string
+ *
+ * @codeCoverageIgnore
+ */
+ private static function getChartCaption($cap)
+ {
+ return is_array($cap) ? implode(' ', $cap) : $cap;
+ }
+
+ /**
+ * Generate CSS styles.
+ *
+ * @param bool $generateSurroundingHTML Generate surrounding HTML tags? (<style> and </style>)
+ *
+ * @return string
+ */
+ public function generateStyles($generateSurroundingHTML = true)
+ {
+ // Build CSS
+ $css = $this->buildCSS($generateSurroundingHTML);
+
+ // Construct HTML
+ $html = '';
+
+ // Start styles
+ if ($generateSurroundingHTML) {
+ $html .= ' <style type="text/css">' . PHP_EOL;
+ $html .= (array_key_exists('html', $css)) ? (' html { ' . $this->assembleCSS($css['html']) . ' }' . PHP_EOL) : '';
+ }
+
+ // Write all other styles
+ foreach ($css as $styleName => $styleDefinition) {
+ if ($styleName != 'html') {
+ $html .= ' ' . $styleName . ' { ' . $this->assembleCSS($styleDefinition) . ' }' . PHP_EOL;
+ }
+ }
+ $html .= $this->generatePageDeclarations(false);
+
+ // End styles
+ if ($generateSurroundingHTML) {
+ $html .= ' </style>' . PHP_EOL;
+ }
+
+ // Return
+ return $html;
+ }
+
+ private function buildCssRowHeights(Worksheet $sheet, array &$css, int $sheetIndex): void
+ {
+ // Calculate row heights
+ foreach ($sheet->getRowDimensions() as $rowDimension) {
+ $row = $rowDimension->getRowIndex() - 1;
+
+ // table.sheetN tr.rowYYYYYY { }
+ $css['table.sheet' . $sheetIndex . ' tr.row' . $row] = [];
+
+ if ($rowDimension->getRowHeight() != -1) {
+ $pt_height = $rowDimension->getRowHeight();
+ $css['table.sheet' . $sheetIndex . ' tr.row' . $row]['height'] = $pt_height . 'pt';
+ }
+ if ($rowDimension->getVisible() === false) {
+ $css['table.sheet' . $sheetIndex . ' tr.row' . $row]['display'] = 'none';
+ $css['table.sheet' . $sheetIndex . ' tr.row' . $row]['visibility'] = 'hidden';
+ }
+ }
+ }
+
+ private function buildCssPerSheet(Worksheet $sheet, array &$css): void
+ {
+ // Calculate hash code
+ $sheetIndex = $sheet->getParent()->getIndex($sheet);
+
+ // Build styles
+ // Calculate column widths
+ $sheet->calculateColumnWidths();
+
+ // col elements, initialize
+ $highestColumnIndex = Coordinate::columnIndexFromString($sheet->getHighestColumn()) - 1;
+ $column = -1;
+ while ($column++ < $highestColumnIndex) {
+ $this->columnWidths[$sheetIndex][$column] = 42; // approximation
+ $css['table.sheet' . $sheetIndex . ' col.col' . $column]['width'] = '42pt';
+ }
+
+ // col elements, loop through columnDimensions and set width
+ foreach ($sheet->getColumnDimensions() as $columnDimension) {
+ $column = Coordinate::columnIndexFromString($columnDimension->getColumnIndex()) - 1;
+ $width = SharedDrawing::cellDimensionToPixels($columnDimension->getWidth(), $this->defaultFont);
+ $width = SharedDrawing::pixelsToPoints($width);
+ if ($columnDimension->getVisible() === false) {
+ $css['table.sheet' . $sheetIndex . ' .column' . $column]['display'] = 'none';
+ }
+ if ($width >= 0) {
+ $this->columnWidths[$sheetIndex][$column] = $width;
+ $css['table.sheet' . $sheetIndex . ' col.col' . $column]['width'] = $width . 'pt';
+ }
+ }
+
+ // Default row height
+ $rowDimension = $sheet->getDefaultRowDimension();
+
+ // table.sheetN tr { }
+ $css['table.sheet' . $sheetIndex . ' tr'] = [];
+
+ if ($rowDimension->getRowHeight() == -1) {
+ $pt_height = SharedFont::getDefaultRowHeightByFont($this->spreadsheet->getDefaultStyle()->getFont());
+ } else {
+ $pt_height = $rowDimension->getRowHeight();
+ }
+ $css['table.sheet' . $sheetIndex . ' tr']['height'] = $pt_height . 'pt';
+ if ($rowDimension->getVisible() === false) {
+ $css['table.sheet' . $sheetIndex . ' tr']['display'] = 'none';
+ $css['table.sheet' . $sheetIndex . ' tr']['visibility'] = 'hidden';
+ }
+
+ $this->buildCssRowHeights($sheet, $css, $sheetIndex);
+ }
+
+ /**
+ * Build CSS styles.
+ *
+ * @param bool $generateSurroundingHTML Generate surrounding HTML style? (html { })
+ *
+ * @return array
+ */
+ public function buildCSS($generateSurroundingHTML = true)
+ {
+ // Cached?
+ if ($this->cssStyles !== null) {
+ return $this->cssStyles;
+ }
+
+ // Ensure that spans have been calculated
+ $this->calculateSpans();
+
+ // Construct CSS
+ $css = [];
+
+ // Start styles
+ if ($generateSurroundingHTML) {
+ // html { }
+ $css['html']['font-family'] = 'Calibri, Arial, Helvetica, sans-serif';
+ $css['html']['font-size'] = '11pt';
+ $css['html']['background-color'] = 'white';
+ }
+
+ // CSS for comments as found in LibreOffice
+ $css['a.comment-indicator:hover + div.comment'] = [
+ 'background' => '#ffd',
+ 'position' => 'absolute',
+ 'display' => 'block',
+ 'border' => '1px solid black',
+ 'padding' => '0.5em',
+ ];
+
+ $css['a.comment-indicator'] = [
+ 'background' => 'red',
+ 'display' => 'inline-block',
+ 'border' => '1px solid black',
+ 'width' => '0.5em',
+ 'height' => '0.5em',
+ ];
+
+ $css['div.comment']['display'] = 'none';
+
+ // table { }
+ $css['table']['border-collapse'] = 'collapse';
+
+ // .b {}
+ $css['.b']['text-align'] = 'center'; // BOOL
+
+ // .e {}
+ $css['.e']['text-align'] = 'center'; // ERROR
+
+ // .f {}
+ $css['.f']['text-align'] = 'right'; // FORMULA
+
+ // .inlineStr {}
+ $css['.inlineStr']['text-align'] = 'left'; // INLINE
+
+ // .n {}
+ $css['.n']['text-align'] = 'right'; // NUMERIC
+
+ // .s {}
+ $css['.s']['text-align'] = 'left'; // STRING
+
+ // Calculate cell style hashes
+ foreach ($this->spreadsheet->getCellXfCollection() as $index => $style) {
+ $css['td.style' . $index] = $this->createCSSStyle($style);
+ $css['th.style' . $index] = $this->createCSSStyle($style);
+ }
+
+ // Fetch sheets
+ $sheets = [];
+ if ($this->sheetIndex === null) {
+ $sheets = $this->spreadsheet->getAllSheets();
+ } else {
+ $sheets[] = $this->spreadsheet->getSheet($this->sheetIndex);
+ }
+
+ // Build styles per sheet
+ foreach ($sheets as $sheet) {
+ $this->buildCssPerSheet($sheet, $css);
+ }
+
+ // Cache
+ if ($this->cssStyles === null) {
+ $this->cssStyles = $css;
+ }
+
+ // Return
+ return $css;
+ }
+
+ /**
+ * Create CSS style.
+ *
+ * @return array
+ */
+ private function createCSSStyle(Style $pStyle)
+ {
+ // Create CSS
+ return array_merge(
+ $this->createCSSStyleAlignment($pStyle->getAlignment()),
+ $this->createCSSStyleBorders($pStyle->getBorders()),
+ $this->createCSSStyleFont($pStyle->getFont()),
+ $this->createCSSStyleFill($pStyle->getFill())
+ );
+ }
+
+ /**
+ * Create CSS style (\PhpOffice\PhpSpreadsheet\Style\Alignment).
+ *
+ * @param Alignment $pStyle \PhpOffice\PhpSpreadsheet\Style\Alignment
+ *
+ * @return array
+ */
+ private function createCSSStyleAlignment(Alignment $pStyle)
+ {
+ // Construct CSS
+ $css = [];
+
+ // Create CSS
+ $css['vertical-align'] = $this->mapVAlign($pStyle->getVertical());
+ $textAlign = $this->mapHAlign($pStyle->getHorizontal());
+ if ($textAlign) {
+ $css['text-align'] = $textAlign;
+ if (in_array($textAlign, ['left', 'right'])) {
+ $css['padding-' . $textAlign] = (string) ((int) $pStyle->getIndent() * 9) . 'px';
+ }
+ }
+
+ return $css;
+ }
+
+ /**
+ * Create CSS style (\PhpOffice\PhpSpreadsheet\Style\Font).
+ *
+ * @return array
+ */
+ private function createCSSStyleFont(Font $pStyle)
+ {
+ // Construct CSS
+ $css = [];
+
+ // Create CSS
+ if ($pStyle->getBold()) {
+ $css['font-weight'] = 'bold';
+ }
+ if ($pStyle->getUnderline() != Font::UNDERLINE_NONE && $pStyle->getStrikethrough()) {
+ $css['text-decoration'] = 'underline line-through';
+ } elseif ($pStyle->getUnderline() != Font::UNDERLINE_NONE) {
+ $css['text-decoration'] = 'underline';
+ } elseif ($pStyle->getStrikethrough()) {
+ $css['text-decoration'] = 'line-through';
+ }
+ if ($pStyle->getItalic()) {
+ $css['font-style'] = 'italic';
+ }
+
+ $css['color'] = '#' . $pStyle->getColor()->getRGB();
+ $css['font-family'] = '\'' . $pStyle->getName() . '\'';
+ $css['font-size'] = $pStyle->getSize() . 'pt';
+
+ return $css;
+ }
+
+ /**
+ * Create CSS style (Borders).
+ *
+ * @param Borders $pStyle Borders
+ *
+ * @return array
+ */
+ private function createCSSStyleBorders(Borders $pStyle)
+ {
+ // Construct CSS
+ $css = [];
+
+ // Create CSS
+ $css['border-bottom'] = $this->createCSSStyleBorder($pStyle->getBottom());
+ $css['border-top'] = $this->createCSSStyleBorder($pStyle->getTop());
+ $css['border-left'] = $this->createCSSStyleBorder($pStyle->getLeft());
+ $css['border-right'] = $this->createCSSStyleBorder($pStyle->getRight());
+
+ return $css;
+ }
+
+ /**
+ * Create CSS style (Border).
+ *
+ * @param Border $pStyle Border
+ *
+ * @return string
+ */
+ private function createCSSStyleBorder(Border $pStyle)
+ {
+ // Create CSS - add !important to non-none border styles for merged cells
+ $borderStyle = $this->mapBorderStyle($pStyle->getBorderStyle());
+
+ return $borderStyle . ' #' . $pStyle->getColor()->getRGB() . (($borderStyle == 'none') ? '' : ' !important');
+ }
+
+ /**
+ * Create CSS style (Fill).
+ *
+ * @param Fill $pStyle Fill
+ *
+ * @return array
+ */
+ private function createCSSStyleFill(Fill $pStyle)
+ {
+ // Construct HTML
+ $css = [];
+
+ // Create CSS
+ $value = $pStyle->getFillType() == Fill::FILL_NONE ?
+ 'white' : '#' . $pStyle->getStartColor()->getRGB();
+ $css['background-color'] = $value;
+
+ return $css;
+ }
+
+ /**
+ * Generate HTML footer.
+ */
+ public function generateHTMLFooter()
+ {
+ // Construct HTML
+ $html = '';
+ $html .= ' </body>' . PHP_EOL;
+ $html .= '</html>' . PHP_EOL;
+
+ return $html;
+ }
+
+ private function generateTableTagInline($pSheet, $id)
+ {
+ $style = isset($this->cssStyles['table']) ?
+ $this->assembleCSS($this->cssStyles['table']) : '';
+
+ $prntgrid = $pSheet->getPrintGridlines();
+ $viewgrid = $this->isPdf ? $prntgrid : $pSheet->getShowGridlines();
+ if ($viewgrid && $prntgrid) {
+ $html = " <table border='1' cellpadding='1' $id cellspacing='1' style='$style' class='gridlines gridlinesp'>" . PHP_EOL;
+ } elseif ($viewgrid) {
+ $html = " <table border='0' cellpadding='0' $id cellspacing='0' style='$style' class='gridlines'>" . PHP_EOL;
+ } elseif ($prntgrid) {
+ $html = " <table border='0' cellpadding='0' $id cellspacing='0' style='$style' class='gridlinesp'>" . PHP_EOL;
+ } else {
+ $html = " <table border='0' cellpadding='1' $id cellspacing='0' style='$style'>" . PHP_EOL;
+ }
+
+ return $html;
+ }
+
+ private function generateTableTag($pSheet, $id, &$html, $sheetIndex): void
+ {
+ if (!$this->useInlineCss) {
+ $gridlines = $pSheet->getShowGridlines() ? ' gridlines' : '';
+ $gridlinesp = $pSheet->getPrintGridlines() ? ' gridlinesp' : '';
+ $html .= " <table border='0' cellpadding='0' cellspacing='0' $id class='sheet$sheetIndex$gridlines$gridlinesp'>" . PHP_EOL;
+ } else {
+ $html .= $this->generateTableTagInline($pSheet, $id);
+ }
+ }
+
+ /**
+ * Generate table header.
+ *
+ * @param Worksheet $pSheet The worksheet for the table we are writing
+ * @param bool $showid whether or not to add id to table tag
+ *
+ * @return string
+ */
+ private function generateTableHeader($pSheet, $showid = true)
+ {
+ $sheetIndex = $pSheet->getParent()->getIndex($pSheet);
+
+ // Construct HTML
+ $html = '';
+ $id = $showid ? "id='sheet$sheetIndex'" : '';
+ if ($showid) {
+ $html .= "<div style='page: page$sheetIndex'>\n";
+ } else {
+ $html .= "<div style='page: page$sheetIndex' class='scrpgbrk'>\n";
+ }
+
+ $this->generateTableTag($pSheet, $id, $html, $sheetIndex);
+
+ // Write <col> elements
+ $highestColumnIndex = Coordinate::columnIndexFromString($pSheet->getHighestColumn()) - 1;
+ $i = -1;
+ while ($i++ < $highestColumnIndex) {
+ if (!$this->useInlineCss) {
+ $html .= ' <col class="col' . $i . '" />' . PHP_EOL;
+ } else {
+ $style = isset($this->cssStyles['table.sheet' . $sheetIndex . ' col.col' . $i]) ?
+ $this->assembleCSS($this->cssStyles['table.sheet' . $sheetIndex . ' col.col' . $i]) : '';
+ $html .= ' <col style="' . $style . '" />' . PHP_EOL;
+ }
+ }
+
+ return $html;
+ }
+
+ /**
+ * Generate table footer.
+ */
+ private function generateTableFooter()
+ {
+ return ' </tbody></table>' . PHP_EOL . '</div>' . PHP_EOL;
+ }
+
+ /**
+ * Generate row start.
+ *
+ * @param Worksheet $pSheet \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet
+ * @param int $sheetIndex Sheet index (0-based)
+ * @param int $pRow row number
+ *
+ * @return string
+ */
+ private function generateRowStart(Worksheet $pSheet, $sheetIndex, $pRow)
+ {
+ $html = '';
+ if (count($pSheet->getBreaks()) > 0) {
+ $breaks = $pSheet->getBreaks();
+
+ // check if a break is needed before this row
+ if (isset($breaks['A' . $pRow])) {
+ // close table: </table>
+ $html .= $this->generateTableFooter();
+ if ($this->isPdf && $this->useInlineCss) {
+ $html .= '<div style="page-break-before:always" />';
+ }
+
+ // open table again: <table> + <col> etc.
+ $html .= $this->generateTableHeader($pSheet, false);
+ $html .= '<tbody>' . PHP_EOL;
+ }
+ }
+
+ // Write row start
+ if (!$this->useInlineCss) {
+ $html .= ' <tr class="row' . $pRow . '">' . PHP_EOL;
+ } else {
+ $style = isset($this->cssStyles['table.sheet' . $sheetIndex . ' tr.row' . $pRow])
+ ? $this->assembleCSS($this->cssStyles['table.sheet' . $sheetIndex . ' tr.row' . $pRow]) : '';
+
+ $html .= ' <tr style="' . $style . '">' . PHP_EOL;
+ }
+
+ return $html;
+ }
+
+ private function generateRowCellCss($pSheet, $cellAddress, $pRow, $colNum)
+ {
+ $cell = ($cellAddress > '') ? $pSheet->getCell($cellAddress) : '';
+ $coordinate = Coordinate::stringFromColumnIndex($colNum + 1) . ($pRow + 1);
+ if (!$this->useInlineCss) {
+ $cssClass = 'column' . $colNum;
+ } else {
+ $cssClass = [];
+ // The statements below do nothing.
+ // Commenting out the code rather than deleting it
+ // in case someone can figure out what their intent was.
+ //if ($cellType == 'th') {
+ // if (isset($this->cssStyles['table.sheet' . $sheetIndex . ' th.column' . $colNum])) {
+ // $this->cssStyles['table.sheet' . $sheetIndex . ' th.column' . $colNum];
+ // }
+ //} else {
+ // if (isset($this->cssStyles['table.sheet' . $sheetIndex . ' td.column' . $colNum])) {
+ // $this->cssStyles['table.sheet' . $sheetIndex . ' td.column' . $colNum];
+ // }
+ //}
+ // End of mystery statements.
+ }
+
+ return [$cell, $cssClass, $coordinate];
+ }
+
+ private function generateRowCellDataValueRich($cell, &$cellData): void
+ {
+ // Loop through rich text elements
+ $elements = $cell->getValue()->getRichTextElements();
+ foreach ($elements as $element) {
+ // Rich text start?
+ if ($element instanceof Run) {
+ $cellData .= '<span style="' . $this->assembleCSS($this->createCSSStyleFont($element->getFont())) . '">';
+
+ $cellEnd = '';
+ if ($element->getFont()->getSuperscript()) {
+ $cellData .= '<sup>';
+ $cellEnd = '</sup>';
+ } elseif ($element->getFont()->getSubscript()) {
+ $cellData .= '<sub>';
+ $cellEnd = '</sub>';
+ }
+
+ // Convert UTF8 data to PCDATA
+ $cellText = $element->getText();
+ $cellData .= htmlspecialchars($cellText);
+
+ $cellData .= $cellEnd;
+
+ $cellData .= '</span>';
+ } else {
+ // Convert UTF8 data to PCDATA
+ $cellText = $element->getText();
+ $cellData .= htmlspecialchars($cellText);
+ }
+ }
+ }
+
+ private function generateRowCellDataValue($pSheet, $cell, &$cellData): void
+ {
+ if ($cell->getValue() instanceof RichText) {
+ $this->generateRowCellDataValueRich($cell, $cellData);
+ } else {
+ $origData = $this->preCalculateFormulas ? $cell->getCalculatedValue() : $cell->getValue();
+ $cellData = NumberFormat::toFormattedString(
+ $origData,
+ $pSheet->getParent()->getCellXfByIndex($cell->getXfIndex())->getNumberFormat()->getFormatCode(),
+ [$this, 'formatColor']
+ );
+ if ($cellData === $origData) {
+ $cellData = htmlspecialchars($cellData);
+ }
+ if ($pSheet->getParent()->getCellXfByIndex($cell->getXfIndex())->getFont()->getSuperscript()) {
+ $cellData = '<sup>' . $cellData . '</sup>';
+ } elseif ($pSheet->getParent()->getCellXfByIndex($cell->getXfIndex())->getFont()->getSubscript()) {
+ $cellData = '<sub>' . $cellData . '</sub>';
+ }
+ }
+ }
+
+ private function generateRowCellData($pSheet, $cell, &$cssClass, $cellType)
+ {
+ $cellData = ' ';
+ if ($cell instanceof Cell) {
+ $cellData = '';
+ // Don't know what this does, and no test cases.
+ //if ($cell->getParent() === null) {
+ // $cell->attach($pSheet);
+ //}
+ // Value
+ $this->generateRowCellDataValue($pSheet, $cell, $cellData);
+
+ // Converts the cell content so that spaces occuring at beginning of each new line are replaced by
+ // Example: " Hello\n to the world" is converted to " Hello\n to the world"
+ $cellData = preg_replace('/(?m)(?:^|\\G) /', ' ', $cellData);
+
+ // convert newline "\n" to '<br>'
+ $cellData = nl2br($cellData);
+
+ // Extend CSS class?
+ if (!$this->useInlineCss) {
+ $cssClass .= ' style' . $cell->getXfIndex();
+ $cssClass .= ' ' . $cell->getDataType();
+ } else {
+ if ($cellType == 'th') {
+ if (isset($this->cssStyles['th.style' . $cell->getXfIndex()])) {
+ $cssClass = array_merge($cssClass, $this->cssStyles['th.style' . $cell->getXfIndex()]);
+ }
+ } else {
+ if (isset($this->cssStyles['td.style' . $cell->getXfIndex()])) {
+ $cssClass = array_merge($cssClass, $this->cssStyles['td.style' . $cell->getXfIndex()]);
+ }
+ }
+
+ // General horizontal alignment: Actual horizontal alignment depends on dataType
+ $sharedStyle = $pSheet->getParent()->getCellXfByIndex($cell->getXfIndex());
+ if (
+ $sharedStyle->getAlignment()->getHorizontal() == Alignment::HORIZONTAL_GENERAL
+ && isset($this->cssStyles['.' . $cell->getDataType()]['text-align'])
+ ) {
+ $cssClass['text-align'] = $this->cssStyles['.' . $cell->getDataType()]['text-align'];
+ }
+ }
+ } else {
+ // Use default borders for empty cell
+ if (is_string($cssClass)) {
+ $cssClass .= ' style0';
+ }
+ }
+
+ return $cellData;
+ }
+
+ private function generateRowIncludeCharts($pSheet, $coordinate)
+ {
+ return $this->includeCharts ? $this->writeChartInCell($pSheet, $coordinate) : '';
+ }
+
+ private function generateRowSpans($html, $rowSpan, $colSpan)
+ {
+ $html .= ($colSpan > 1) ? (' colspan="' . $colSpan . '"') : '';
+ $html .= ($rowSpan > 1) ? (' rowspan="' . $rowSpan . '"') : '';
+
+ return $html;
+ }
+
+ private function generateRowWriteCell(&$html, $pSheet, $coordinate, $cellType, $cellData, $colSpan, $rowSpan, $cssClass, $colNum, $sheetIndex, $pRow): void
+ {
+ // Image?
+ $htmlx = $this->writeImageInCell($pSheet, $coordinate);
+ // Chart?
+ $htmlx .= $this->generateRowIncludeCharts($pSheet, $coordinate);
+ // Column start
+ $html .= ' <' . $cellType;
+ if (!$this->useInlineCss && !$this->isPdf) {
+ $html .= ' class="' . $cssClass . '"';
+ if ($htmlx) {
+ $html .= " style='position: relative;'";
+ }
+ } else {
+ //** Necessary redundant code for the sake of \PhpOffice\PhpSpreadsheet\Writer\Pdf **
+ // We must explicitly write the width of the <td> element because TCPDF
+ // does not recognize e.g. <col style="width:42pt">
+ if ($this->useInlineCss) {
+ $xcssClass = $cssClass;
+ } else {
+ $html .= ' class="' . $cssClass . '"';
+ $xcssClass = [];
+ }
+ $width = 0;
+ $i = $colNum - 1;
+ $e = $colNum + $colSpan - 1;
+ while ($i++ < $e) {
+ if (isset($this->columnWidths[$sheetIndex][$i])) {
+ $width += $this->columnWidths[$sheetIndex][$i];
+ }
+ }
+ $xcssClass['width'] = $width . 'pt';
+
+ // We must also explicitly write the height of the <td> element because TCPDF
+ // does not recognize e.g. <tr style="height:50pt">
+ if (isset($this->cssStyles['table.sheet' . $sheetIndex . ' tr.row' . $pRow]['height'])) {
+ $height = $this->cssStyles['table.sheet' . $sheetIndex . ' tr.row' . $pRow]['height'];
+ $xcssClass['height'] = $height;
+ }
+ //** end of redundant code **
+
+ if ($htmlx) {
+ $xcssClass['position'] = 'relative';
+ }
+ $html .= ' style="' . $this->assembleCSS($xcssClass) . '"';
+ }
+ $html = $this->generateRowSpans($html, $rowSpan, $colSpan);
+
+ $html .= '>';
+ $html .= $htmlx;
+
+ $html .= $this->writeComment($pSheet, $coordinate);
+
+ // Cell data
+ $html .= $cellData;
+
+ // Column end
+ $html .= '</' . $cellType . '>' . PHP_EOL;
+ }
+
+ /**
+ * Generate row.
+ *
+ * @param Worksheet $pSheet \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet
+ * @param array $pValues Array containing cells in a row
+ * @param int $pRow Row number (0-based)
+ * @param string $cellType eg: 'td'
+ *
+ * @return string
+ */
+ private function generateRow(Worksheet $pSheet, array $pValues, $pRow, $cellType)
+ {
+ // Sheet index
+ $sheetIndex = $pSheet->getParent()->getIndex($pSheet);
+ $html = $this->generateRowStart($pSheet, $sheetIndex, $pRow);
+
+ // Write cells
+ $colNum = 0;
+ foreach ($pValues as $cellAddress) {
+ [$cell, $cssClass, $coordinate] = $this->generateRowCellCss($pSheet, $cellAddress, $pRow, $colNum);
+
+ $colSpan = 1;
+ $rowSpan = 1;
+
+ // Cell Data
+ $cellData = $this->generateRowCellData($pSheet, $cell, $cssClass, $cellType);
+
+ // Hyperlink?
+ if ($pSheet->hyperlinkExists($coordinate) && !$pSheet->getHyperlink($coordinate)->isInternal()) {
+ $cellData = '<a href="' . htmlspecialchars($pSheet->getHyperlink($coordinate)->getUrl()) . '" title="' . htmlspecialchars($pSheet->getHyperlink($coordinate)->getTooltip()) . '">' . $cellData . '</a>';
+ }
+
+ // Should the cell be written or is it swallowed by a rowspan or colspan?
+ $writeCell = !(isset($this->isSpannedCell[$pSheet->getParent()->getIndex($pSheet)][$pRow + 1][$colNum])
+ && $this->isSpannedCell[$pSheet->getParent()->getIndex($pSheet)][$pRow + 1][$colNum]);
+
+ // Colspan and Rowspan
+ $colspan = 1;
+ $rowspan = 1;
+ if (isset($this->isBaseCell[$pSheet->getParent()->getIndex($pSheet)][$pRow + 1][$colNum])) {
+ $spans = $this->isBaseCell[$pSheet->getParent()->getIndex($pSheet)][$pRow + 1][$colNum];
+ $rowSpan = $spans['rowspan'];
+ $colSpan = $spans['colspan'];
+
+ // Also apply style from last cell in merge to fix borders -
+ // relies on !important for non-none border declarations in createCSSStyleBorder
+ $endCellCoord = Coordinate::stringFromColumnIndex($colNum + $colSpan) . ($pRow + $rowSpan);
+ if (!$this->useInlineCss) {
+ $cssClass .= ' style' . $pSheet->getCell($endCellCoord)->getXfIndex();
+ }
+ }
+
+ // Write
+ if ($writeCell) {
+ $this->generateRowWriteCell($html, $pSheet, $coordinate, $cellType, $cellData, $colSpan, $rowSpan, $cssClass, $colNum, $sheetIndex, $pRow);
+ }
+
+ // Next column
+ ++$colNum;
+ }
+
+ // Write row end
+ $html .= ' </tr>' . PHP_EOL;
+
+ // Return
+ return $html;
+ }
+
+ /**
+ * Takes array where of CSS properties / values and converts to CSS string.
+ *
+ * @return string
+ */
+ private function assembleCSS(array $pValue = [])
+ {
+ $pairs = [];
+ foreach ($pValue as $property => $value) {
+ $pairs[] = $property . ':' . $value;
+ }
+ $string = implode('; ', $pairs);
+
+ return $string;
+ }
+
+ /**
+ * Get images root.
+ *
+ * @return string
+ */
+ public function getImagesRoot()
+ {
+ return $this->imagesRoot;
+ }
+
+ /**
+ * Set images root.
+ *
+ * @param string $pValue
+ *
+ * @return $this
+ */
+ public function setImagesRoot($pValue)
+ {
+ $this->imagesRoot = $pValue;
+
+ return $this;
+ }
+
+ /**
+ * Get embed images.
+ *
+ * @return bool
+ */
+ public function getEmbedImages()
+ {
+ return $this->embedImages;
+ }
+
+ /**
+ * Set embed images.
+ *
+ * @param bool $pValue
+ *
+ * @return $this
+ */
+ public function setEmbedImages($pValue)
+ {
+ $this->embedImages = $pValue;
+
+ return $this;
+ }
+
+ /**
+ * Get use inline CSS?
+ *
+ * @return bool
+ */
+ public function getUseInlineCss()
+ {
+ return $this->useInlineCss;
+ }
+
+ /**
+ * Set use inline CSS?
+ *
+ * @param bool $pValue
+ *
+ * @return $this
+ */
+ public function setUseInlineCss($pValue)
+ {
+ $this->useInlineCss = $pValue;
+
+ return $this;
+ }
+
+ /**
+ * Get use embedded CSS?
+ *
+ * @return bool
+ *
+ * @codeCoverageIgnore
+ *
+ * @deprecated no longer used
+ */
+ public function getUseEmbeddedCSS()
+ {
+ return $this->useEmbeddedCSS;
+ }
+
+ /**
+ * Set use embedded CSS?
+ *
+ * @param bool $pValue
+ *
+ * @return $this
+ *
+ * @codeCoverageIgnore
+ *
+ * @deprecated no longer used
+ */
+ public function setUseEmbeddedCSS($pValue)
+ {
+ $this->useEmbeddedCSS = $pValue;
+
+ return $this;
+ }
+
+ /**
+ * Add color to formatted string as inline style.
+ *
+ * @param string $pValue Plain formatted value without color
+ * @param string $pFormat Format code
+ *
+ * @return string
+ */
+ public function formatColor($pValue, $pFormat)
+ {
+ // Color information, e.g. [Red] is always at the beginning
+ $color = null; // initialize
+ $matches = [];
+
+ $color_regex = '/^\\[[a-zA-Z]+\\]/';
+ if (preg_match($color_regex, $pFormat, $matches)) {
+ $color = str_replace(['[', ']'], '', $matches[0]);
+ $color = strtolower($color);
+ }
+
+ // convert to PCDATA
+ $value = htmlspecialchars($pValue);
+
+ // color span tag
+ if ($color !== null) {
+ $value = '<span style="color:' . $color . '">' . $value . '</span>';
+ }
+
+ return $value;
+ }
+
+ /**
+ * Calculate information about HTML colspan and rowspan which is not always the same as Excel's.
+ */
+ private function calculateSpans(): void
+ {
+ if ($this->spansAreCalculated) {
+ return;
+ }
+ // Identify all cells that should be omitted in HTML due to cell merge.
+ // In HTML only the upper-left cell should be written and it should have
+ // appropriate rowspan / colspan attribute
+ $sheetIndexes = $this->sheetIndex !== null ?
+ [$this->sheetIndex] : range(0, $this->spreadsheet->getSheetCount() - 1);
+
+ foreach ($sheetIndexes as $sheetIndex) {
+ $sheet = $this->spreadsheet->getSheet($sheetIndex);
+
+ $candidateSpannedRow = [];
+
+ // loop through all Excel merged cells
+ foreach ($sheet->getMergeCells() as $cells) {
+ [$cells] = Coordinate::splitRange($cells);
+ $first = $cells[0];
+ $last = $cells[1];
+
+ [$fc, $fr] = Coordinate::coordinateFromString($first);
+ $fc = Coordinate::columnIndexFromString($fc) - 1;
+
+ [$lc, $lr] = Coordinate::coordinateFromString($last);
+ $lc = Coordinate::columnIndexFromString($lc) - 1;
+
+ // loop through the individual cells in the individual merge
+ $r = $fr - 1;
+ while ($r++ < $lr) {
+ // also, flag this row as a HTML row that is candidate to be omitted
+ $candidateSpannedRow[$r] = $r;
+
+ $c = $fc - 1;
+ while ($c++ < $lc) {
+ if (!($c == $fc && $r == $fr)) {
+ // not the upper-left cell (should not be written in HTML)
+ $this->isSpannedCell[$sheetIndex][$r][$c] = [
+ 'baseCell' => [$fr, $fc],
+ ];
+ } else {
+ // upper-left is the base cell that should hold the colspan/rowspan attribute
+ $this->isBaseCell[$sheetIndex][$r][$c] = [
+ 'xlrowspan' => $lr - $fr + 1, // Excel rowspan
+ 'rowspan' => $lr - $fr + 1, // HTML rowspan, value may change
+ 'xlcolspan' => $lc - $fc + 1, // Excel colspan
+ 'colspan' => $lc - $fc + 1, // HTML colspan, value may change
+ ];
+ }
+ }
+ }
+ }
+
+ $this->calculateSpansOmitRows($sheet, $sheetIndex, $candidateSpannedRow);
+
+ // TODO: Same for columns
+ }
+
+ // We have calculated the spans
+ $this->spansAreCalculated = true;
+ }
+
+ private function calculateSpansOmitRows($sheet, $sheetIndex, $candidateSpannedRow): void
+ {
+ // Identify which rows should be omitted in HTML. These are the rows where all the cells
+ // participate in a merge and the where base cells are somewhere above.
+ $countColumns = Coordinate::columnIndexFromString($sheet->getHighestColumn());
+ foreach ($candidateSpannedRow as $rowIndex) {
+ if (isset($this->isSpannedCell[$sheetIndex][$rowIndex])) {
+ if (count($this->isSpannedCell[$sheetIndex][$rowIndex]) == $countColumns) {
+ $this->isSpannedRow[$sheetIndex][$rowIndex] = $rowIndex;
+ }
+ }
+ }
+
+ // For each of the omitted rows we found above, the affected rowspans should be subtracted by 1
+ if (isset($this->isSpannedRow[$sheetIndex])) {
+ foreach ($this->isSpannedRow[$sheetIndex] as $rowIndex) {
+ $adjustedBaseCells = [];
+ $c = -1;
+ $e = $countColumns - 1;
+ while ($c++ < $e) {
+ $baseCell = $this->isSpannedCell[$sheetIndex][$rowIndex][$c]['baseCell'];
+
+ if (!in_array($baseCell, $adjustedBaseCells)) {
+ // subtract rowspan by 1
+ --$this->isBaseCell[$sheetIndex][$baseCell[0]][$baseCell[1]]['rowspan'];
+ $adjustedBaseCells[] = $baseCell;
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Write a comment in the same format as LibreOffice.
+ *
+ * @see https://github.com/LibreOffice/core/blob/9fc9bf3240f8c62ad7859947ab8a033ac1fe93fa/sc/source/filter/html/htmlexp.cxx#L1073-L1092
+ *
+ * @param string $coordinate
+ *
+ * @return string
+ */
+ private function writeComment(Worksheet $pSheet, $coordinate)
+ {
+ $result = '';
+ if (!$this->isPdf && isset($pSheet->getComments()[$coordinate])) {
+ $result .= '<a class="comment-indicator"></a>';
+ $result .= '<div class="comment">' . nl2br($pSheet->getComment($coordinate)->getText()->getPlainText()) . '</div>';
+ $result .= PHP_EOL;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Generate @page declarations.
+ *
+ * @param bool $generateSurroundingHTML
+ *
+ * @return string
+ */
+ private function generatePageDeclarations($generateSurroundingHTML)
+ {
+ // Ensure that Spans have been calculated?
+ $this->calculateSpans();
+
+ // Fetch sheets
+ $sheets = [];
+ if ($this->sheetIndex === null) {
+ $sheets = $this->spreadsheet->getAllSheets();
+ } else {
+ $sheets[] = $this->spreadsheet->getSheet($this->sheetIndex);
+ }
+
+ // Construct HTML
+ $htmlPage = $generateSurroundingHTML ? ('<style type="text/css">' . PHP_EOL) : '';
+
+ // Loop all sheets
+ $sheetId = 0;
+ foreach ($sheets as $pSheet) {
+ $htmlPage .= "@page page$sheetId { ";
+ $left = StringHelper::formatNumber($pSheet->getPageMargins()->getLeft()) . 'in; ';
+ $htmlPage .= 'margin-left: ' . $left;
+ $right = StringHelper::FormatNumber($pSheet->getPageMargins()->getRight()) . 'in; ';
+ $htmlPage .= 'margin-right: ' . $right;
+ $top = StringHelper::FormatNumber($pSheet->getPageMargins()->getTop()) . 'in; ';
+ $htmlPage .= 'margin-top: ' . $top;
+ $bottom = StringHelper::FormatNumber($pSheet->getPageMargins()->getBottom()) . 'in; ';
+ $htmlPage .= 'margin-bottom: ' . $bottom;
+ $orientation = $pSheet->getPageSetup()->getOrientation();
+ if ($orientation === \PhpOffice\PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_LANDSCAPE) {
+ $htmlPage .= 'size: landscape; ';
+ } elseif ($orientation === \PhpOffice\PhpSpreadsheet\Worksheet\PageSetup::ORIENTATION_PORTRAIT) {
+ $htmlPage .= 'size: portrait; ';
+ }
+ $htmlPage .= "}\n";
+ ++$sheetId;
+ }
+ $htmlPage .= <<<EOF
+.navigation {page-break-after: always;}
+.scrpgbrk, div + div {page-break-before: always;}
+@media screen {
+ .gridlines td {border: 1px solid black;}
+ .gridlines th {border: 1px solid black;}
+ body>div {margin-top: 5px;}
+ body>div:first-child {margin-top: 0;}
+ .scrpgbrk {margin-top: 1px;}
+}
+@media print {
+ .gridlinesp td {border: 1px solid black;}
+ .gridlinesp th {border: 1px solid black;}
+ .navigation {display: none;}
+}
+
+EOF;
+ $htmlPage .= $generateSurroundingHTML ? ('</style>' . PHP_EOL) : '';
+
+ return $htmlPage;
+ }
+}
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