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<?php
namespace Box\Spout\Writer\XLSX\Manager\Style;
use Box\Spout\Common\Entity\Style\Color;
use Box\Spout\Common\Entity\Style\Style;
use Box\Spout\Writer\XLSX\Helper\BorderHelper;
/**
* Class StyleManager
* Manages styles to be applied to a cell
*/
class StyleManager extends \Box\Spout\Writer\Common\Manager\Style\StyleManager
{
/** @var StyleRegistry */
protected $styleRegistry;
/**
* For empty cells, we can specify a style or not. If no style are specified,
* then the software default will be applied. But sometimes, it may be useful
* to override this default style, for instance if the cell should have a
* background color different than the default one or some borders
* (fonts property don't really matter here).
*
* @param int $styleId
* @return bool Whether the cell should define a custom style
*/
public function shouldApplyStyleOnEmptyCell($styleId)
{
$associatedFillId = $this->styleRegistry->getFillIdForStyleId($styleId);
$hasStyleCustomFill = ($associatedFillId !== null && $associatedFillId !== 0);
$associatedBorderId = $this->styleRegistry->getBorderIdForStyleId($styleId);
$hasStyleCustomBorders = ($associatedBorderId !== null && $associatedBorderId !== 0);
return ($hasStyleCustomFill || $hasStyleCustomBorders);
}
/**
* Returns the content of the "styles.xml" file, given a list of styles.
*
* @return string
*/
public function getStylesXMLFileContent()
{
$content = <<<'EOD'
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<styleSheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main">
EOD;
$content .= $this->getFontsSectionContent();
$content .= $this->getFillsSectionContent();
$content .= $this->getBordersSectionContent();
$content .= $this->getCellStyleXfsSectionContent();
$content .= $this->getCellXfsSectionContent();
$content .= $this->getCellStylesSectionContent();
$content .= <<<'EOD'
</styleSheet>
EOD;
return $content;
}
/**
* Returns the content of the "<fonts>" section.
*
* @return string
*/
protected function getFontsSectionContent()
{
$registeredStyles = $this->styleRegistry->getRegisteredStyles();
$content = '<fonts count="' . count($registeredStyles) . '">';
/** @var Style $style */
foreach ($registeredStyles as $style) {
$content .= '<font>';
$content .= '<sz val="' . $style->getFontSize() . '"/>';
$content .= '<color rgb="' . Color::toARGB($style->getFontColor()) . '"/>';
$content .= '<name val="' . $style->getFontName() . '"/>';
if ($style->isFontBold()) {
$content .= '<b/>';
}
if ($style->isFontItalic()) {
$content .= '<i/>';
}
if ($style->isFontUnderline()) {
$content .= '<u/>';
}
if ($style->isFontStrikethrough()) {
$content .= '<strike/>';
}
$content .= '</font>';
}
$content .= '</fonts>';
return $content;
}
/**
* Returns the content of the "<fills>" section.
*
* @return string
*/
protected function getFillsSectionContent()
{
$registeredFills = $this->styleRegistry->getRegisteredFills();
// Excel reserves two default fills
$fillsCount = count($registeredFills) + 2;
$content = sprintf('<fills count="%d">', $fillsCount);
$content .= '<fill><patternFill patternType="none"/></fill>';
$content .= '<fill><patternFill patternType="gray125"/></fill>';
// The other fills are actually registered by setting a background color
foreach ($registeredFills as $styleId) {
/** @var Style $style */
$style = $this->styleRegistry->getStyleFromStyleId($styleId);
$backgroundColor = $style->getBackgroundColor();
$content .= sprintf(
'<fill><patternFill patternType="solid"><fgColor rgb="%s"/></patternFill></fill>',
$backgroundColor
);
}
$content .= '</fills>';
return $content;
}
/**
* Returns the content of the "<borders>" section.
*
* @return string
*/
protected function getBordersSectionContent()
{
$registeredBorders = $this->styleRegistry->getRegisteredBorders();
// There is one default border with index 0
$borderCount = count($registeredBorders) + 1;
$content = '<borders count="' . $borderCount . '">';
// Default border starting at index 0
$content .= '<border><left/><right/><top/><bottom/></border>';
foreach ($registeredBorders as $styleId) {
/** @var \Box\Spout\Common\Entity\Style\Style $style */
$style = $this->styleRegistry->getStyleFromStyleId($styleId);
$border = $style->getBorder();
$content .= '<border>';
// @link https://github.com/box/spout/issues/271
$sortOrder = ['left', 'right', 'top', 'bottom'];
foreach ($sortOrder as $partName) {
if ($border->hasPart($partName)) {
/** @var $part \Box\Spout\Common\Entity\Style\BorderPart */
$part = $border->getPart($partName);
$content .= BorderHelper::serializeBorderPart($part);
}
}
$content .= '</border>';
}
$content .= '</borders>';
return $content;
}
/**
* Returns the content of the "<cellStyleXfs>" section.
*
* @return string
*/
protected function getCellStyleXfsSectionContent()
{
return <<<'EOD'
<cellStyleXfs count="1">
<xf borderId="0" fillId="0" fontId="0" numFmtId="0"/>
</cellStyleXfs>
EOD;
}
/**
* Returns the content of the "<cellXfs>" section.
*
* @return string
*/
protected function getCellXfsSectionContent()
{
$registeredStyles = $this->styleRegistry->getRegisteredStyles();
$content = '<cellXfs count="' . count($registeredStyles) . '">';
foreach ($registeredStyles as $style) {
$styleId = $style->getId();
$fillId = $this->getFillIdForStyleId($styleId);
$borderId = $this->getBorderIdForStyleId($styleId);
$content .= '<xf numFmtId="0" fontId="' . $styleId . '" fillId="' . $fillId . '" borderId="' . $borderId . '" xfId="0"';
if ($style->shouldApplyFont()) {
$content .= ' applyFont="1"';
}
$content .= sprintf(' applyBorder="%d"', $style->shouldApplyBorder() ? 1 : 0);
if ($style->shouldWrapText()) {
$content .= ' applyAlignment="1">';
$content .= '<alignment wrapText="1"/>';
$content .= '</xf>';
} else {
$content .= '/>';
}
}
$content .= '</cellXfs>';
return $content;
}
/**
* Returns the fill ID associated to the given style ID.
* For the default style, we don't a fill.
*
* @param int $styleId
* @return int
*/
private function getFillIdForStyleId($styleId)
{
// For the default style (ID = 0), we don't want to override the fill.
// Otherwise all cells of the spreadsheet will have a background color.
$isDefaultStyle = ($styleId === 0);
return $isDefaultStyle ? 0 : ($this->styleRegistry->getFillIdForStyleId($styleId) ?: 0);
}
/**
* Returns the fill ID associated to the given style ID.
* For the default style, we don't a border.
*
* @param int $styleId
* @return int
*/
private function getBorderIdForStyleId($styleId)
{
// For the default style (ID = 0), we don't want to override the border.
// Otherwise all cells of the spreadsheet will have a border.
$isDefaultStyle = ($styleId === 0);
return $isDefaultStyle ? 0 : ($this->styleRegistry->getBorderIdForStyleId($styleId) ?: 0);
}
/**
* Returns the content of the "<cellStyles>" section.
*
* @return string
*/
protected function getCellStylesSectionContent()
{
return <<<'EOD'
<cellStyles count="1">
<cellStyle builtinId="0" name="Normal" xfId="0"/>
</cellStyles>
EOD;
}
}