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<?php
namespace PhpOffice\PhpSpreadsheet\Style;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
class Style extends Supervisor
{
/**
* Font.
*
* @var Font
*/
protected $font;
/**
* Fill.
*
* @var Fill
*/
protected $fill;
/**
* Borders.
*
* @var Borders
*/
protected $borders;
/**
* Alignment.
*
* @var Alignment
*/
protected $alignment;
/**
* Number Format.
*
* @var NumberFormat
*/
protected $numberFormat;
/**
* Protection.
*
* @var Protection
*/
protected $protection;
/**
* Index of style in collection. Only used for real style.
*
* @var int
*/
protected $index;
/**
* Use Quote Prefix when displaying in cell editor. Only used for real style.
*
* @var bool
*/
protected $quotePrefix = false;
/**
* Internal cache for styles
* Used when applying style on range of cells (column or row) and cleared when
* all cells in range is styled.
*
* PhpSpreadsheet will always minimize the amount of styles used. So cells with
* same styles will reference the same Style instance. To check if two styles
* are similar Style::getHashCode() is used. This call is expensive. To minimize
* the need to call this method we can cache the internal PHP object id of the
* Style in the range. Style::getHashCode() will then only be called when we
* encounter a unique style.
*
* @see Style::applyFromArray()
* @see Style::getHashCode()
*
* @var null|array<string, array>
*/
private static $cachedStyles;
/**
* Create a new Style.
*
* @param bool $isSupervisor Flag indicating if this is a supervisor or not
* Leave this value at default unless you understand exactly what
* its ramifications are
* @param bool $isConditional Flag indicating if this is a conditional style or not
* Leave this value at default unless you understand exactly what
* its ramifications are
*/
public function __construct($isSupervisor = false, $isConditional = false)
{
parent::__construct($isSupervisor);
// Initialise values
$this->font = new Font($isSupervisor, $isConditional);
$this->fill = new Fill($isSupervisor, $isConditional);
$this->borders = new Borders($isSupervisor, $isConditional);
$this->alignment = new Alignment($isSupervisor, $isConditional);
$this->numberFormat = new NumberFormat($isSupervisor, $isConditional);
$this->protection = new Protection($isSupervisor, $isConditional);
// bind parent if we are a supervisor
if ($isSupervisor) {
$this->font->bindParent($this);
$this->fill->bindParent($this);
$this->borders->bindParent($this);
$this->alignment->bindParent($this);
$this->numberFormat->bindParent($this);
$this->protection->bindParent($this);
}
}
/**
* Get the shared style component for the currently active cell in currently active sheet.
* Only used for style supervisor.
*/
public function getSharedComponent(): self
{
$activeSheet = $this->getActiveSheet();
$selectedCell = $this->getActiveCell(); // e.g. 'A1'
if ($activeSheet->cellExists($selectedCell)) {
$xfIndex = $activeSheet->getCell($selectedCell)->getXfIndex();
} else {
$xfIndex = 0;
}
return $activeSheet->getParentOrThrow()->getCellXfByIndex($xfIndex);
}
/**
* Get parent. Only used for style supervisor.
*/
public function getParent(): Spreadsheet
{
return $this->getActiveSheet()->getParentOrThrow();
}
/**
* Build style array from subcomponents.
*
* @param array $array
*
* @return array
*/
public function getStyleArray($array)
{
return ['quotePrefix' => $array];
}
/**
* Apply styles from array.
*
* <code>
* $spreadsheet->getActiveSheet()->getStyle('B2')->applyFromArray(
* [
* 'font' => [
* 'name' => 'Arial',
* 'bold' => true,
* 'italic' => false,
* 'underline' => Font::UNDERLINE_DOUBLE,
* 'strikethrough' => false,
* 'color' => [
* 'rgb' => '808080'
* ]
* ],
* 'borders' => [
* 'bottom' => [
* 'borderStyle' => Border::BORDER_DASHDOT,
* 'color' => [
* 'rgb' => '808080'
* ]
* ],
* 'top' => [
* 'borderStyle' => Border::BORDER_DASHDOT,
* 'color' => [
* 'rgb' => '808080'
* ]
* ]
* ],
* 'alignment' => [
* 'horizontal' => Alignment::HORIZONTAL_CENTER,
* 'vertical' => Alignment::VERTICAL_CENTER,
* 'wrapText' => true,
* ],
* 'quotePrefix' => true
* ]
* );
* </code>
*
* @param array $styleArray Array containing style information
* @param bool $advancedBorders advanced mode for setting borders
*
* @return $this
*/
public function applyFromArray(array $styleArray, $advancedBorders = true)
{
if ($this->isSupervisor) {
$pRange = $this->getSelectedCells();
// Uppercase coordinate
$pRange = strtoupper($pRange);
// Is it a cell range or a single cell?
if (strpos($pRange, ':') === false) {
$rangeA = $pRange;
$rangeB = $pRange;
} else {
[$rangeA, $rangeB] = explode(':', $pRange);
}
// Calculate range outer borders
$rangeStart = Coordinate::coordinateFromString($rangeA);
$rangeEnd = Coordinate::coordinateFromString($rangeB);
$rangeStartIndexes = Coordinate::indexesFromString($rangeA);
$rangeEndIndexes = Coordinate::indexesFromString($rangeB);
$columnStart = $rangeStart[0];
$columnEnd = $rangeEnd[0];
// Make sure we can loop upwards on rows and columns
if ($rangeStartIndexes[0] > $rangeEndIndexes[0] && $rangeStartIndexes[1] > $rangeEndIndexes[1]) {
$tmp = $rangeStartIndexes;
$rangeStartIndexes = $rangeEndIndexes;
$rangeEndIndexes = $tmp;
}
// ADVANCED MODE:
if ($advancedBorders && isset($styleArray['borders'])) {
// 'allBorders' is a shorthand property for 'outline' and 'inside' and
// it applies to components that have not been set explicitly
if (isset($styleArray['borders']['allBorders'])) {
foreach (['outline', 'inside'] as $component) {
if (!isset($styleArray['borders'][$component])) {
$styleArray['borders'][$component] = $styleArray['borders']['allBorders'];
}
}
unset($styleArray['borders']['allBorders']); // not needed any more
}
// 'outline' is a shorthand property for 'top', 'right', 'bottom', 'left'
// it applies to components that have not been set explicitly
if (isset($styleArray['borders']['outline'])) {
foreach (['top', 'right', 'bottom', 'left'] as $component) {
if (!isset($styleArray['borders'][$component])) {
$styleArray['borders'][$component] = $styleArray['borders']['outline'];
}
}
unset($styleArray['borders']['outline']); // not needed any more
}
// 'inside' is a shorthand property for 'vertical' and 'horizontal'
// it applies to components that have not been set explicitly
if (isset($styleArray['borders']['inside'])) {
foreach (['vertical', 'horizontal'] as $component) {
if (!isset($styleArray['borders'][$component])) {
$styleArray['borders'][$component] = $styleArray['borders']['inside'];
}
}
unset($styleArray['borders']['inside']); // not needed any more
}
// width and height characteristics of selection, 1, 2, or 3 (for 3 or more)
$xMax = min($rangeEndIndexes[0] - $rangeStartIndexes[0] + 1, 3);
$yMax = min($rangeEndIndexes[1] - $rangeStartIndexes[1] + 1, 3);
// loop through up to 3 x 3 = 9 regions
for ($x = 1; $x <= $xMax; ++$x) {
// start column index for region
$colStart = ($x == 3) ?
Coordinate::stringFromColumnIndex($rangeEndIndexes[0])
: Coordinate::stringFromColumnIndex($rangeStartIndexes[0] + $x - 1);
// end column index for region
$colEnd = ($x == 1) ?
Coordinate::stringFromColumnIndex($rangeStartIndexes[0])
: Coordinate::stringFromColumnIndex($rangeEndIndexes[0] - $xMax + $x);
for ($y = 1; $y <= $yMax; ++$y) {
// which edges are touching the region
$edges = [];
if ($x == 1) {
// are we at left edge
$edges[] = 'left';
}
if ($x == $xMax) {
// are we at right edge
$edges[] = 'right';
}
if ($y == 1) {
// are we at top edge?
$edges[] = 'top';
}
if ($y == $yMax) {
// are we at bottom edge?
$edges[] = 'bottom';
}
// start row index for region
$rowStart = ($y == 3) ?
$rangeEndIndexes[1] : $rangeStartIndexes[1] + $y - 1;
// end row index for region
$rowEnd = ($y == 1) ?
$rangeStartIndexes[1] : $rangeEndIndexes[1] - $yMax + $y;
// build range for region
$range = $colStart . $rowStart . ':' . $colEnd . $rowEnd;
// retrieve relevant style array for region
$regionStyles = $styleArray;
unset($regionStyles['borders']['inside']);
// what are the inner edges of the region when looking at the selection
$innerEdges = array_diff(['top', 'right', 'bottom', 'left'], $edges);
// inner edges that are not touching the region should take the 'inside' border properties if they have been set
foreach ($innerEdges as $innerEdge) {
switch ($innerEdge) {
case 'top':
case 'bottom':
// should pick up 'horizontal' border property if set
if (isset($styleArray['borders']['horizontal'])) {
$regionStyles['borders'][$innerEdge] = $styleArray['borders']['horizontal'];
} else {
unset($regionStyles['borders'][$innerEdge]);
}
break;
case 'left':
case 'right':
// should pick up 'vertical' border property if set
if (isset($styleArray['borders']['vertical'])) {
$regionStyles['borders'][$innerEdge] = $styleArray['borders']['vertical'];
} else {
unset($regionStyles['borders'][$innerEdge]);
}
break;
}
}
// apply region style to region by calling applyFromArray() in simple mode
$this->getActiveSheet()->getStyle($range)->applyFromArray($regionStyles, false);
}
}
// restore initial cell selection range
$this->getActiveSheet()->getStyle($pRange);
return $this;
}
// SIMPLE MODE:
// Selection type, inspect
if (preg_match('/^[A-Z]+1:[A-Z]+1048576$/', $pRange)) {
$selectionType = 'COLUMN';
// Enable caching of styles
self::$cachedStyles = ['hashByObjId' => [], 'styleByHash' => []];
} elseif (preg_match('/^A\d+:XFD\d+$/', $pRange)) {
$selectionType = 'ROW';
// Enable caching of styles
self::$cachedStyles = ['hashByObjId' => [], 'styleByHash' => []];
} else {
$selectionType = 'CELL';
}
// First loop through columns, rows, or cells to find out which styles are affected by this operation
$oldXfIndexes = $this->getOldXfIndexes($selectionType, $rangeStartIndexes, $rangeEndIndexes, $columnStart, $columnEnd, $styleArray);
// clone each of the affected styles, apply the style array, and add the new styles to the workbook
$workbook = $this->getActiveSheet()->getParentOrThrow();
$newXfIndexes = [];
foreach ($oldXfIndexes as $oldXfIndex => $dummy) {
$style = $workbook->getCellXfByIndex($oldXfIndex);
// $cachedStyles is set when applying style for a range of cells, either column or row
if (self::$cachedStyles === null) {
// Clone the old style and apply style-array
$newStyle = clone $style;
$newStyle->applyFromArray($styleArray);
// Look for existing style we can use instead (reduce memory usage)
$existingStyle = $workbook->getCellXfByHashCode($newStyle->getHashCode());
} else {
// Style cache is stored by Style::getHashCode(). But calling this method is
// expensive. So we cache the php obj id -> hash.
$objId = spl_object_id($style);
// Look for the original HashCode
$styleHash = self::$cachedStyles['hashByObjId'][$objId] ?? null;
if ($styleHash === null) {
// This object_id is not cached, store the hashcode in case encounter again
$styleHash = self::$cachedStyles['hashByObjId'][$objId] = $style->getHashCode();
}
// Find existing style by hash.
$existingStyle = self::$cachedStyles['styleByHash'][$styleHash] ?? null;
if (!$existingStyle) {
// The old style combined with the new style array is not cached, so we create it now
$newStyle = clone $style;
$newStyle->applyFromArray($styleArray);
// Look for similar style in workbook to reduce memory usage
$existingStyle = $workbook->getCellXfByHashCode($newStyle->getHashCode());
// Cache the new style by original hashcode
self::$cachedStyles['styleByHash'][$styleHash] = $existingStyle instanceof self ? $existingStyle : $newStyle;
}
}
if ($existingStyle) {
// there is already such cell Xf in our collection
$newXfIndexes[$oldXfIndex] = $existingStyle->getIndex();
} else {
if (!isset($newStyle)) {
// Handle bug in PHPStan, see https://github.com/phpstan/phpstan/issues/5805
// $newStyle should always be defined.
// This block might not be needed in the future
// @codeCoverageIgnoreStart
$newStyle = clone $style;
$newStyle->applyFromArray($styleArray);
// @codeCoverageIgnoreEnd
}
// we don't have such a cell Xf, need to add
$workbook->addCellXf($newStyle);
$newXfIndexes[$oldXfIndex] = $newStyle->getIndex();
}
}
// Loop through columns, rows, or cells again and update the XF index
switch ($selectionType) {
case 'COLUMN':
for ($col = $rangeStartIndexes[0]; $col <= $rangeEndIndexes[0]; ++$col) {
$columnDimension = $this->getActiveSheet()->getColumnDimensionByColumn($col);
$oldXfIndex = $columnDimension->getXfIndex();
$columnDimension->setXfIndex($newXfIndexes[$oldXfIndex]);
}
// Disable caching of styles
self::$cachedStyles = null;
break;
case 'ROW':
for ($row = $rangeStartIndexes[1]; $row <= $rangeEndIndexes[1]; ++$row) {
$rowDimension = $this->getActiveSheet()->getRowDimension($row);
// row without explicit style should be formatted based on default style
$oldXfIndex = $rowDimension->getXfIndex() ?? 0;
$rowDimension->setXfIndex($newXfIndexes[$oldXfIndex]);
}
// Disable caching of styles
self::$cachedStyles = null;
break;
case 'CELL':
for ($col = $rangeStartIndexes[0]; $col <= $rangeEndIndexes[0]; ++$col) {
for ($row = $rangeStartIndexes[1]; $row <= $rangeEndIndexes[1]; ++$row) {
$cell = $this->getActiveSheet()->getCell([$col, $row]);
$oldXfIndex = $cell->getXfIndex();
$cell->setXfIndex($newXfIndexes[$oldXfIndex]);
}
}
break;
}
} else {
// not a supervisor, just apply the style array directly on style object
if (isset($styleArray['fill'])) {
$this->getFill()->applyFromArray($styleArray['fill']);
}
if (isset($styleArray['font'])) {
$this->getFont()->applyFromArray($styleArray['font']);
}
if (isset($styleArray['borders'])) {
$this->getBorders()->applyFromArray($styleArray['borders']);
}
if (isset($styleArray['alignment'])) {
$this->getAlignment()->applyFromArray($styleArray['alignment']);
}
if (isset($styleArray['numberFormat'])) {
$this->getNumberFormat()->applyFromArray($styleArray['numberFormat']);
}
if (isset($styleArray['protection'])) {
$this->getProtection()->applyFromArray($styleArray['protection']);
}
if (isset($styleArray['quotePrefix'])) {
$this->quotePrefix = $styleArray['quotePrefix'];
}
}
return $this;
}
private function getOldXfIndexes(string $selectionType, array $rangeStart, array $rangeEnd, string $columnStart, string $columnEnd, array $styleArray): array
{
$oldXfIndexes = [];
switch ($selectionType) {
case 'COLUMN':
for ($col = $rangeStart[0]; $col <= $rangeEnd[0]; ++$col) {
$oldXfIndexes[$this->getActiveSheet()->getColumnDimensionByColumn($col)->getXfIndex()] = true;
}
foreach ($this->getActiveSheet()->getColumnIterator($columnStart, $columnEnd) as $columnIterator) {
$cellIterator = $columnIterator->getCellIterator();
$cellIterator->setIterateOnlyExistingCells(true);
foreach ($cellIterator as $columnCell) {
if ($columnCell !== null) {
$columnCell->getStyle()->applyFromArray($styleArray);
}
}
}
break;
case 'ROW':
for ($row = $rangeStart[1]; $row <= $rangeEnd[1]; ++$row) {
if ($this->getActiveSheet()->getRowDimension($row)->getXfIndex() === null) {
$oldXfIndexes[0] = true; // row without explicit style should be formatted based on default style
} else {
$oldXfIndexes[$this->getActiveSheet()->getRowDimension($row)->getXfIndex()] = true;
}
}
foreach ($this->getActiveSheet()->getRowIterator((int) $rangeStart[1], (int) $rangeEnd[1]) as $rowIterator) {
$cellIterator = $rowIterator->getCellIterator();
$cellIterator->setIterateOnlyExistingCells(true);
foreach ($cellIterator as $rowCell) {
if ($rowCell !== null) {
$rowCell->getStyle()->applyFromArray($styleArray);
}
}
}
break;
case 'CELL':
for ($col = $rangeStart[0]; $col <= $rangeEnd[0]; ++$col) {
for ($row = $rangeStart[1]; $row <= $rangeEnd[1]; ++$row) {
$oldXfIndexes[$this->getActiveSheet()->getCell([$col, $row])->getXfIndex()] = true;
}
}
break;
}
return $oldXfIndexes;
}
/**
* Get Fill.
*
* @return Fill
*/
public function getFill()
{
return $this->fill;
}
/**
* Get Font.
*
* @return Font
*/
public function getFont()
{
return $this->font;
}
/**
* Set font.
*
* @return $this
*/
public function setFont(Font $font)
{
$this->font = $font;
return $this;
}
/**
* Get Borders.
*
* @return Borders
*/
public function getBorders()
{
return $this->borders;
}
/**
* Get Alignment.
*
* @return Alignment
*/
public function getAlignment()
{
return $this->alignment;
}
/**
* Get Number Format.
*
* @return NumberFormat
*/
public function getNumberFormat()
{
return $this->numberFormat;
}
/**
* Get Conditional Styles. Only used on supervisor.
*
* @return Conditional[]
*/
public function getConditionalStyles()
{
return $this->getActiveSheet()->getConditionalStyles($this->getActiveCell());
}
/**
* Set Conditional Styles. Only used on supervisor.
*
* @param Conditional[] $conditionalStyleArray Array of conditional styles
*
* @return $this
*/
public function setConditionalStyles(array $conditionalStyleArray)
{
$this->getActiveSheet()->setConditionalStyles($this->getSelectedCells(), $conditionalStyleArray);
return $this;
}
/**
* Get Protection.
*
* @return Protection
*/
public function getProtection()
{
return $this->protection;
}
/**
* Get quote prefix.
*
* @return bool
*/
public function getQuotePrefix()
{
if ($this->isSupervisor) {
return $this->getSharedComponent()->getQuotePrefix();
}
return $this->quotePrefix;
}
/**
* Set quote prefix.
*
* @param bool $quotePrefix
*
* @return $this
*/
public function setQuotePrefix($quotePrefix)
{
if ($quotePrefix == '') {
$quotePrefix = false;
}
if ($this->isSupervisor) {
$styleArray = ['quotePrefix' => $quotePrefix];
$this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
} else {
$this->quotePrefix = (bool) $quotePrefix;
}
return $this;
}
/**
* Get hash code.
*
* @return string Hash code
*/
public function getHashCode()
{
return md5(
$this->fill->getHashCode() .
$this->font->getHashCode() .
$this->borders->getHashCode() .
$this->alignment->getHashCode() .
$this->numberFormat->getHashCode() .
$this->protection->getHashCode() .
($this->quotePrefix ? 't' : 'f') .
__CLASS__
);
}
/**
* Get own index in style collection.
*
* @return int
*/
public function getIndex()
{
return $this->index;
}
/**
* Set own index in style collection.
*
* @param int $index
*/
public function setIndex($index): void
{
$this->index = $index;
}
protected function exportArray1(): array
{
$exportedArray = [];
$this->exportArray2($exportedArray, 'alignment', $this->getAlignment());
$this->exportArray2($exportedArray, 'borders', $this->getBorders());
$this->exportArray2($exportedArray, 'fill', $this->getFill());
$this->exportArray2($exportedArray, 'font', $this->getFont());
$this->exportArray2($exportedArray, 'numberFormat', $this->getNumberFormat());
$this->exportArray2($exportedArray, 'protection', $this->getProtection());
$this->exportArray2($exportedArray, 'quotePrefx', $this->getQuotePrefix());
return $exportedArray;
}
}
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