Your IP : 216.73.216.95
<?php
namespace Box\Spout\Writer\XLSX\Manager\Style;
use Box\Spout\Common\Entity\Style\Style;
/**
* Class StyleRegistry
* Registry for all used styles
*/
class StyleRegistry extends \Box\Spout\Writer\Common\Manager\Style\StyleRegistry
{
/**
* @var array
*/
protected $registeredFills = [];
/**
* @var array [STYLE_ID] => [FILL_ID] maps a style to a fill declaration
*/
protected $styleIdToFillMappingTable = [];
/**
* Excel preserves two default fills with index 0 and 1
* Since Excel is the dominant vendor - we play along here
*
* @var int The fill index counter for custom fills.
*/
protected $fillIndex = 2;
/**
* @var array
*/
protected $registeredBorders = [];
/**
* @var array [STYLE_ID] => [BORDER_ID] maps a style to a border declaration
*/
protected $styleIdToBorderMappingTable = [];
/**
* XLSX specific operations on the registered styles
*
* @param Style $style
* @return Style
*/
public function registerStyle(Style $style)
{
$registeredStyle = parent::registerStyle($style);
$this->registerFill($registeredStyle);
$this->registerBorder($registeredStyle);
return $registeredStyle;
}
/**
* Register a fill definition
*
* @param Style $style
*/
private function registerFill(Style $style)
{
$styleId = $style->getId();
// Currently - only solid backgrounds are supported
// so $backgroundColor is a scalar value (RGB Color)
$backgroundColor = $style->getBackgroundColor();
if ($backgroundColor) {
$isBackgroundColorRegistered = isset($this->registeredFills[$backgroundColor]);
// We need to track the already registered background definitions
if ($isBackgroundColorRegistered) {
$registeredStyleId = $this->registeredFills[$backgroundColor];
$registeredFillId = $this->styleIdToFillMappingTable[$registeredStyleId];
$this->styleIdToFillMappingTable[$styleId] = $registeredFillId;
} else {
$this->registeredFills[$backgroundColor] = $styleId;
$this->styleIdToFillMappingTable[$styleId] = $this->fillIndex++;
}
} else {
// The fillId maps a style to a fill declaration
// When there is no background color definition - we default to 0
$this->styleIdToFillMappingTable[$styleId] = 0;
}
}
/**
* @param int $styleId
* @return int|null Fill ID associated to the given style ID
*/
public function getFillIdForStyleId($styleId)
{
return (isset($this->styleIdToFillMappingTable[$styleId])) ?
$this->styleIdToFillMappingTable[$styleId] :
null;
}
/**
* Register a border definition
*
* @param Style $style
*/
private function registerBorder(Style $style)
{
$styleId = $style->getId();
if ($style->shouldApplyBorder()) {
$border = $style->getBorder();
$serializedBorder = serialize($border);
$isBorderAlreadyRegistered = isset($this->registeredBorders[$serializedBorder]);
if ($isBorderAlreadyRegistered) {
$registeredStyleId = $this->registeredBorders[$serializedBorder];
$registeredBorderId = $this->styleIdToBorderMappingTable[$registeredStyleId];
$this->styleIdToBorderMappingTable[$styleId] = $registeredBorderId;
} else {
$this->registeredBorders[$serializedBorder] = $styleId;
$this->styleIdToBorderMappingTable[$styleId] = count($this->registeredBorders);
}
} else {
// If no border should be applied - the mapping is the default border: 0
$this->styleIdToBorderMappingTable[$styleId] = 0;
}
}
/**
* @param int $styleId
* @return int|null Fill ID associated to the given style ID
*/
public function getBorderIdForStyleId($styleId)
{
return (isset($this->styleIdToBorderMappingTable[$styleId])) ?
$this->styleIdToBorderMappingTable[$styleId] :
null;
}
/**
* @return array
*/
public function getRegisteredFills()
{
return $this->registeredFills;
}
/**
* @return array
*/
public function getRegisteredBorders()
{
return $this->registeredBorders;
}
}