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<?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;
use PhpOffice\PhpSpreadsheet\Writer\Exception as WriterException;
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;
/**
* 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;
/**
* Create a new HTML.
*
* @param Spreadsheet $spreadsheet
*/
public function __construct(Spreadsheet $spreadsheet)
{
$this->spreadsheet = $spreadsheet;
$this->defaultFont = $this->spreadsheet->getDefaultStyle()->getFont();
}
/**
* Save Spreadsheet to file.
*
* @param string $pFilename
*
* @throws WriterException
*/
public function save($pFilename)
{
// 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);
// Open file
$fileHandle = fopen($pFilename, 'wb+');
if ($fileHandle === false) {
throw new WriterException("Could not open file $pFilename for writing.");
}
// Write headers
fwrite($fileHandle, $this->generateHTMLHeader(!$this->useInlineCss));
// Write navigation (tabs)
if ((!$this->isPdf) && ($this->generateSheetNavigationBlock)) {
fwrite($fileHandle, $this->generateNavigation());
}
// Write data
fwrite($fileHandle, $this->generateSheetData());
// Write footer
fwrite($fileHandle, $this->generateHTMLFooter());
// Close file
fclose($fileHandle);
Calculation::setArrayReturnType($saveArrayReturnType);
Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog($saveDebugLog);
}
/**
* Map VAlign.
*
* @param string $vAlign Vertical alignment
*
* @return string
*/
private function mapVAlign($vAlign)
{
switch ($vAlign) {
case Alignment::VERTICAL_BOTTOM:
return 'bottom';
case Alignment::VERTICAL_TOP:
return 'top';
case Alignment::VERTICAL_CENTER:
case Alignment::VERTICAL_JUSTIFY:
return 'middle';
default:
return 'baseline';
}
}
/**
* Map HAlign.
*
* @param string $hAlign Horizontal alignment
*
* @return false|string
*/
private function mapHAlign($hAlign)
{
switch ($hAlign) {
case Alignment::HORIZONTAL_GENERAL:
return false;
case Alignment::HORIZONTAL_LEFT:
return 'left';
case Alignment::HORIZONTAL_RIGHT:
return 'right';
case Alignment::HORIZONTAL_CENTER:
case Alignment::HORIZONTAL_CENTER_CONTINUOUS:
return 'center';
case Alignment::HORIZONTAL_JUSTIFY:
return 'justify';
default:
return false;
}
}
/**
* Map border style.
*
* @param int $borderStyle Sheet index
*
* @return string
*/
private function mapBorderStyle($borderStyle)
{
switch ($borderStyle) {
case Border::BORDER_NONE:
return 'none';
case Border::BORDER_DASHDOT:
return '1px dashed';
case Border::BORDER_DASHDOTDOT:
return '1px dotted';
case Border::BORDER_DASHED:
return '1px dashed';
case Border::BORDER_DOTTED:
return '1px dotted';
case Border::BORDER_DOUBLE:
return '3px double';
case Border::BORDER_HAIR:
return '1px solid';
case Border::BORDER_MEDIUM:
return '2px solid';
case Border::BORDER_MEDIUMDASHDOT:
return '2px dashed';
case Border::BORDER_MEDIUMDASHDOTDOT:
return '2px dotted';
case Border::BORDER_MEDIUMDASHED:
return '2px dashed';
case Border::BORDER_SLANTDASHDOT:
return '2px dashed';
case Border::BORDER_THICK:
return '3px solid';
case Border::BORDER_THIN:
return '1px solid';
default:
// map others to thin
return '1px solid';
}
}
/**
* Get sheet index.
*
* @return int
*/
public function getSheetIndex()
{
return $this->sheetIndex;
}
/**
* Set sheet index.
*
* @param int $pValue Sheet index
*
* @return HTML
*/
public function setSheetIndex($pValue)
{
$this->sheetIndex = $pValue;
return $this;
}
/**
* Get sheet index.
*
* @return bool
*/
public function getGenerateSheetNavigationBlock()
{
return $this->generateSheetNavigationBlock;
}
/**
* Set sheet index.
*
* @param bool $pValue Flag indicating whether the sheet navigation block should be generated or not
*
* @return HTML
*/
public function setGenerateSheetNavigationBlock($pValue)
{
$this->generateSheetNavigationBlock = (bool) $pValue;
return $this;
}
/**
* Write all sheets (resets sheetIndex to NULL).
*/
public function writeAllSheets()
{
$this->sheetIndex = null;
return $this;
}
/**
* Generate HTML header.
*
* @param bool $pIncludeStyles Include styles?
*
* @throws WriterException
*
* @return string
*/
public function generateHTMLHeader($pIncludeStyles = false)
{
// Construct HTML
$properties = $this->spreadsheet->getProperties();
$html = '<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">' . PHP_EOL;
$html .= '<html>' . PHP_EOL;
$html .= ' <head>' . PHP_EOL;
$html .= ' <meta http-equiv="Content-Type" content="text/html; charset=utf-8">' . PHP_EOL;
$html .= ' <meta name="generator" content="PhpSpreadsheet, https://github.com/PHPOffice/PhpSpreadsheet">' . PHP_EOL;
if ($properties->getTitle() > '') {
$html .= ' <title>' . htmlspecialchars($properties->getTitle()) . '</title>' . PHP_EOL;
}
if ($properties->getCreator() > '') {
$html .= ' <meta name="author" content="' . htmlspecialchars($properties->getCreator()) . '" />' . PHP_EOL;
}
if ($properties->getTitle() > '') {
$html .= ' <meta name="title" content="' . htmlspecialchars($properties->getTitle()) . '" />' . PHP_EOL;
}
if ($properties->getDescription() > '') {
$html .= ' <meta name="description" content="' . htmlspecialchars($properties->getDescription()) . '" />' . PHP_EOL;
}
if ($properties->getSubject() > '') {
$html .= ' <meta name="subject" content="' . htmlspecialchars($properties->getSubject()) . '" />' . PHP_EOL;
}
if ($properties->getKeywords() > '') {
$html .= ' <meta name="keywords" content="' . htmlspecialchars($properties->getKeywords()) . '" />' . PHP_EOL;
}
if ($properties->getCategory() > '') {
$html .= ' <meta name="category" content="' . htmlspecialchars($properties->getCategory()) . '" />' . PHP_EOL;
}
if ($properties->getCompany() > '') {
$html .= ' <meta name="company" content="' . htmlspecialchars($properties->getCompany()) . '" />' . PHP_EOL;
}
if ($properties->getManager() > '') {
$html .= ' <meta name="manager" content="' . htmlspecialchars($properties->getManager()) . '" />' . PHP_EOL;
}
if ($pIncludeStyles) {
$html .= $this->generateStyles(true);
}
$html .= ' </head>' . PHP_EOL;
$html .= '' . PHP_EOL;
$html .= ' <body>' . PHP_EOL;
return $html;
}
/**
* Generate sheet data.
*
* @throws WriterException
*
* @return string
*/
public function generateSheetData()
{
// Ensure that Spans have been calculated?
if ($this->sheetIndex !== null || !$this->spansAreCalculated) {
$this->calculateSpans();
}
// Fetch sheets
$sheets = [];
if ($this->sheetIndex === null) {
$sheets = $this->spreadsheet->getAllSheets();
} else {
$sheets[] = $this->spreadsheet->getSheet($this->sheetIndex);
}
// Construct HTML
$html = '';
// Loop all sheets
$sheetId = 0;
foreach ($sheets as $sheet) {
// Write table header
$html .= $this->generateTableHeader($sheet);
// Get worksheet dimension
$dimension = explode(':', $sheet->calculateWorksheetDimension());
$dimension[0] = Coordinate::coordinateFromString($dimension[0]);
$dimension[0][0] = Coordinate::columnIndexFromString($dimension[0][0]);
$dimension[1] = Coordinate::coordinateFromString($dimension[1]);
$dimension[1][0] = Coordinate::columnIndexFromString($dimension[1][0]);
// row min,max
$rowMin = $dimension[0][1];
$rowMax = $dimension[1][1];
// 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;
}
}
// Loop through cells
$row = $rowMin - 1;
while ($row++ < $rowMax) {
// <thead> ?
if ($row == $theadStart) {
$html .= ' <thead>' . PHP_EOL;
$cellType = 'th';
}
// <tbody> ?
if ($row == $tbodyStart) {
$html .= ' <tbody>' . PHP_EOL;
$cellType = 'td';
}
// Write row if there are HTML table cells in it
if (!isset($this->isSpannedRow[$sheet->getParent()->getIndex($sheet)][$row])) {
// Start a new rowData
$rowData = [];
// Loop through columns
$column = $dimension[0][0];
while ($column <= $dimension[1][0]) {
// Cell exists?
if ($sheet->cellExistsByColumnAndRow($column, $row)) {
$rowData[$column] = Coordinate::stringFromColumnIndex($column) . $row;
} else {
$rowData[$column] = '';
}
++$column;
}
$html .= $this->generateRow($sheet, $rowData, $row - 1, $cellType);
}
// </thead> ?
if ($row == $theadEnd) {
$html .= ' </thead>' . PHP_EOL;
}
}
$html .= $this->extendRowsForChartsAndImages($sheet, $row);
// Close table body.
$html .= ' </tbody>' . PHP_EOL;
// Write table footer
$html .= $this->generateTableFooter();
// Writing PDF?
if ($this->isPdf) {
if ($this->sheetIndex === null && $sheetId + 1 < $this->spreadsheet->getSheetCount()) {
$html .= '<div style="page-break-before:always" />';
}
}
// Next sheet
++$sheetId;
}
return $html;
}
/**
* Generate sheet tabs.
*
* @throws WriterException
*
* @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;
}
private function extendRowsForChartsAndImages(Worksheet $pSheet, $row)
{
$rowMax = $row;
$colMax = 'A';
if ($this->includeCharts) {
foreach ($pSheet->getChartCollection() as $chart) {
if ($chart instanceof Chart) {
$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 = $chartTL[0];
}
}
}
}
}
foreach ($pSheet->getDrawingCollection() as $drawing) {
if ($drawing instanceof Drawing) {
$imageTL = Coordinate::coordinateFromString($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) {
return '';
}
$html = '';
++$colMax;
while ($row <= $rowMax) {
$html .= '<tr>';
for ($col = 'A'; $col != $colMax; ++$col) {
$html .= '<td>';
$html .= $this->writeImageInCell($pSheet, $col . $row);
if ($this->includeCharts) {
$html .= $this->writeChartInCell($pSheet, $col . $row);
}
$html .= '</td>';
}
++$row;
$html .= '</tr>';
}
return $html;
}
/**
* 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 instanceof Drawing) {
if ($drawing->getCoordinates() == $coordinates) {
$filename = $drawing->getPath();
// Strip off eventual '.'
if (substr($filename, 0, 1) == '.') {
$filename = substr($filename, 1);
}
// Prepend images root
$filename = $this->getImagesRoot() . $filename;
// Strip off eventual '.'
if (substr($filename, 0, 1) == '.' && substr($filename, 0, 2) != './') {
$filename = substr($filename, 1);
}
// Convert UTF8 data to PCDATA
$filename = htmlspecialchars($filename);
$html .= PHP_EOL;
if ((!$this->embedImages) || ($this->isPdf)) {
$imageData = $filename;
} else {
$imageDetails = getimagesize($filename);
if ($fp = fopen($filename, 'rb', 0)) {
$picture = fread($fp, filesize($filename));
fclose($fp);
// base64 encode the binary data, then break it
// into chunks according to RFC 2045 semantics
$base64 = chunk_split(base64_encode($picture));
$imageData = 'data:' . $imageDetails['mime'] . ';base64,' . $base64;
} else {
$imageData = $filename;
}
}
$html .= '<div style="position: relative;">';
$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 . '" border="0" />';
$html .= '</div>';
}
} elseif ($drawing instanceof MemoryDrawing) {
if ($drawing->getCoordinates() != $coordinates) {
continue;
}
ob_start(); // Let's start output buffering.
imagepng($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 src="' . $dataUri . '" style="max-width:100%;width:' . $drawing->getWidth() . 'px;" />';
}
}
return $html;
}
/**
* Generate chart tag in cell.
*
* @param Worksheet $pSheet \PhpOffice\PhpSpreadsheet\Worksheet\Worksheet
* @param string $coordinates Cell coordinates
*
* @return string
*/
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);
if ($fp = fopen($chartFileName, 'rb', 0)) {
$picture = fread($fp, filesize($chartFileName));
fclose($fp);
// base64 encode the binary data, then break it
// into chunks according to RFC 2045 semantics
$base64 = chunk_split(base64_encode($picture));
$imageData = 'data:' . $imageDetails['mime'] . ';base64,' . $base64;
$html .= '<div style="position: relative;">';
$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 . '" border="0" />' . PHP_EOL;
$html .= '</div>';
unlink($chartFileName);
}
}
}
}
// Return
return $html;
}
/**
* Generate CSS styles.
*
* @param bool $generateSurroundingHTML Generate surrounding HTML tags? (&lt;style&gt; and &lt;/style&gt;)
*
* @throws WriterException
*
* @return string
*/
public function generateStyles($generateSurroundingHTML = true)
{
// Build CSS
$css = $this->buildCSS($generateSurroundingHTML);
// Construct HTML
$html = '';
// Start styles
if ($generateSurroundingHTML) {
$html .= ' <style type="text/css">' . PHP_EOL;
$html .= ' 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;
}
}
// End styles
if ($generateSurroundingHTML) {
$html .= ' </style>' . PHP_EOL;
}
// Return
return $html;
}
/**
* Build CSS styles.
*
* @param bool $generateSurroundingHTML Generate surrounding HTML style? (html { })
*
* @throws WriterException
*
* @return array
*/
public function buildCSS($generateSurroundingHTML = true)
{
// Cached?
if ($this->cssStyles !== null) {
return $this->cssStyles;
}
// Ensure that spans have been calculated
if (!$this->spansAreCalculated) {
$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 { }
$css['table']['border-collapse'] = 'collapse';
if (!$this->isPdf) {
$css['table']['page-break-after'] = 'always';
}
// .gridlines td { }
$css['.gridlines td']['border'] = '1px dotted black';
$css['.gridlines th']['border'] = '1px dotted black';
// .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) {
// 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 $columnDimension) {
if (($width = SharedDrawing::cellDimensionToPixels($columnDimension->getWidth(), $this->defaultFont)) >= 0) {
$width = SharedDrawing::pixelsToPoints($width);
$column = Coordinate::columnIndexFromString($columnDimension->getColumnIndex()) - 1;
$this->columnWidths[$sheetIndex][$column] = $width;
$css['table.sheet' . $sheetIndex . ' col.col' . $column]['width'] = $width . 'pt';
if ($columnDimension->getVisible() === false) {
$css['table.sheet' . $sheetIndex . ' col.col' . $column]['visibility'] = 'collapse';
$css['table.sheet' . $sheetIndex . ' col.col' . $column]['*display'] = 'none'; // target IE6+7
}
}
}
// 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' . $sheetIndex . ' tr']['visibility'] = 'hidden';
}
// Calculate row heights
foreach ($sheet->getRowDimensions() as $rowDimension) {
$row = $rowDimension->getRowIndex() - 1;
// table.sheetN tr.rowYYYYYY { }
$css['table.sheet' . $sheetIndex . ' tr.row' . $row] = [];
if ($rowDimension->getRowHeight() == -1) {
$pt_height = SharedFont::getDefaultRowHeightByFont($this->spreadsheet->getDefaultStyle()->getFont());
} else {
$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' . $row]['visibility'] = 'hidden';
}
}
}
// Cache
if ($this->cssStyles === null) {
$this->cssStyles = $css;
}
// Return
return $css;
}
/**
* Create CSS style.
*
* @param Style $pStyle
*
* @return array
*/
private function createCSSStyle(Style $pStyle)
{
// Create CSS
$css = array_merge(
$this->createCSSStyleAlignment($pStyle->getAlignment()),
$this->createCSSStyleBorders($pStyle->getBorders()),
$this->createCSSStyleFont($pStyle->getFont()),
$this->createCSSStyleFill($pStyle->getFill())
);
// Return
return $css;
}
/**
* 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());
if ($textAlign = $this->mapHAlign($pStyle->getHorizontal())) {
$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).
*
* @param Font $pStyle
*
* @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());
$css = $borderStyle . ' #' . $pStyle->getColor()->getRGB() . (($borderStyle == 'none') ? '' : ' !important');
return $css;
}
/**
* 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;
}
/**
* Generate table header.
*
* @param Worksheet $pSheet The worksheet for the table we are writing
*
* @return string
*/
private function generateTableHeader($pSheet)
{
$sheetIndex = $pSheet->getParent()->getIndex($pSheet);
// Construct HTML
$html = '';
$html .= $this->setMargins($pSheet);
if (!$this->useInlineCss) {
$gridlines = $pSheet->getShowGridlines() ? ' gridlines' : '';
$html .= ' <table border="0" cellpadding="0" cellspacing="0" id="sheet' . $sheetIndex . '" class="sheet' . $sheetIndex . $gridlines . '">' . PHP_EOL;
} else {
$style = isset($this->cssStyles['table']) ?
$this->assembleCSS($this->cssStyles['table']) : '';
if ($this->isPdf && $pSheet->getShowGridlines()) {
$html .= ' <table border="1" cellpadding="1" id="sheet' . $sheetIndex . '" cellspacing="1" style="' . $style . '">' . PHP_EOL;
} else {
$html .= ' <table border="0" cellpadding="1" id="sheet' . $sheetIndex . '" cellspacing="0" style="' . $style . '">' . PHP_EOL;
}
}
// Write <col> elements
$highestColumnIndex = Coordinate::columnIndexFromString($pSheet->getHighestColumn()) - 1;
$i = -1;
while ($i++ < $highestColumnIndex) {
if (!$this->isPdf) {
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()
{
$html = ' </table>' . PHP_EOL;
return $html;
}
/**
* 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'
*
* @throws WriterException
*
* @return string
*/
private function generateRow(Worksheet $pSheet, array $pValues, $pRow, $cellType)
{
// Construct HTML
$html = '';
// Sheet index
$sheetIndex = $pSheet->getParent()->getIndex($pSheet);
// Dompdf and breaks
if ($this->isPdf && count($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();
// insert page break
$html .= '<div style="page-break-before:always" />';
// open table again: <table> + <col> etc.
$html .= $this->generateTableHeader($pSheet);
}
}
// 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;
}
// Write cells
$colNum = 0;
foreach ($pValues as $cellAddress) {
$cell = ($cellAddress > '') ? $pSheet->getCell($cellAddress) : '';
$coordinate = Coordinate::stringFromColumnIndex($colNum + 1) . ($pRow + 1);
if (!$this->useInlineCss) {
$cssClass = 'column' . $colNum;
} else {
$cssClass = [];
if ($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];
}
}
}
$colSpan = 1;
$rowSpan = 1;
// initialize
$cellData = '&nbsp;';
// Cell
if ($cell instanceof Cell) {
$cellData = '';
if ($cell->getParent() === null) {
$cell->attach($pSheet);
}
// Value
if ($cell->getValue() instanceof RichText) {
// 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($element->getFont())) . '">';
if ($element->getFont()->getSuperscript()) {
$cellData .= '<sup>';
} elseif ($element->getFont()->getSubscript()) {
$cellData .= '<sub>';
}
}
// Convert UTF8 data to PCDATA
$cellText = $element->getText();
$cellData .= htmlspecialchars($cellText);
if ($element instanceof Run) {
if ($element->getFont()->getSuperscript()) {
$cellData .= '</sup>';
} elseif ($element->getFont()->getSubscript()) {
$cellData .= '</sub>';
}
$cellData .= '</span>';
}
}
} else {
if ($this->preCalculateFormulas) {
$cellData = NumberFormat::toFormattedString(
$cell->getCalculatedValue(),
$pSheet->getParent()->getCellXfByIndex($cell->getXfIndex())->getNumberFormat()->getFormatCode(),
[$this, 'formatColor']
);
} else {
$cellData = NumberFormat::toFormattedString(
$cell->getValue(),
$pSheet->getParent()->getCellXfByIndex($cell->getXfIndex())->getNumberFormat()->getFormatCode(),
[$this, 'formatColor']
);
}
$cellData = htmlspecialchars($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>';
}
}
// Converts the cell content so that spaces occuring at beginning of each new line are replaced by &nbsp;
// Example: " Hello\n to the world" is converted to "&nbsp;&nbsp;Hello\n&nbsp;to the world"
$cellData = preg_replace('/(?m)(?:^|\\G) /', '&nbsp;', $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['.' . $cell->getDataType()]['text-align'];
}
}
}
// Hyperlink?
if ($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) {
// Column start
$html .= ' <' . $cellType;
if (!$this->useInlineCss) {
$html .= ' class="' . $cssClass . '"';
} 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">
$width = 0;
$i = $colNum - 1;
$e = $colNum + $colSpan - 1;
while ($i++ < $e) {
if (isset($this->columnWidths[$sheetIndex][$i])) {
$width += $this->columnWidths[$sheetIndex][$i];
}
}
$cssClass['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'];
$cssClass['height'] = $height;
}
//** end of redundant code **
$html .= ' style="' . $this->assembleCSS($cssClass) . '"';
}
if ($colSpan > 1) {
$html .= ' colspan="' . $colSpan . '"';
}
if ($rowSpan > 1) {
$html .= ' rowspan="' . $rowSpan . '"';
}
$html .= '>';
$html .= $this->writeComment($pSheet, $coordinate);
// Image?
$html .= $this->writeImageInCell($pSheet, $coordinate);
// Chart?
if ($this->includeCharts) {
$html .= $this->writeChartInCell($pSheet, $coordinate);
}
// Cell data
$html .= $cellData;
// Column end
$html .= '</' . $cellType . '>' . PHP_EOL;
}
// Next column
++$colNum;
}
// Write row end
$html .= ' </tr>' . PHP_EOL;
// Return
return $html;
}
/**
* Takes array where of CSS properties / values and converts to CSS string.
*
* @param array $pValue
*
* @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 $pValue
*
* @return HTML
*/
public function setImagesRoot($pValue)
{
$this->imagesRoot = $pValue;
return $this;
}
/**
* Get embed images.
*
* @return bool
*/
public function getEmbedImages()
{
return $this->embedImages;
}
/**
* Set embed images.
*
* @param bool $pValue
*
* @return HTML
*/
public function setEmbedImages($pValue)
{
$this->embedImages = $pValue;
return $this;
}
/**
* Get use inline CSS?
*
* @return bool
*/
public function getUseInlineCss()
{
return $this->useInlineCss;
}
/**
* Set use inline CSS?
*
* @param bool $pValue
*
* @return HTML
*/
public function setUseInlineCss($pValue)
{
$this->useInlineCss = $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()
{
// 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 $cells) {
list($cells) = Coordinate::splitRange($cells);
$first = $cells[0];
$last = $cells[1];
list($fc, $fr) = Coordinate::coordinateFromString($first);
$fc = Coordinate::columnIndexFromString($fc) - 1;
list($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
];
}
}
}
}
// 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;
}
}
}
}
// TODO: Same for columns
}
// We have calculated the spans
$this->spansAreCalculated = true;
}
private function setMargins(Worksheet $pSheet)
{
$htmlPage = '@page { ';
$htmlBody = 'body { ';
$left = StringHelper::formatNumber($pSheet->getPageMargins()->getLeft()) . 'in; ';
$htmlPage .= 'margin-left: ' . $left;
$htmlBody .= 'margin-left: ' . $left;
$right = StringHelper::formatNumber($pSheet->getPageMargins()->getRight()) . 'in; ';
$htmlPage .= 'margin-right: ' . $right;
$htmlBody .= 'margin-right: ' . $right;
$top = StringHelper::formatNumber($pSheet->getPageMargins()->getTop()) . 'in; ';
$htmlPage .= 'margin-top: ' . $top;
$htmlBody .= 'margin-top: ' . $top;
$bottom = StringHelper::formatNumber($pSheet->getPageMargins()->getBottom()) . 'in; ';
$htmlPage .= 'margin-bottom: ' . $bottom;
$htmlBody .= 'margin-bottom: ' . $bottom;
$htmlPage .= "}\n";
$htmlBody .= "}\n";
return "<style>\n" . $htmlPage . $htmlBody . "</style>\n";
}
/**
* 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 Worksheet $pSheet
* @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;
}
}
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