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<?php
namespace PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use PhpOffice\PhpSpreadsheet\Style\Conditional;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use SimpleXMLElement;
class ConditionalStyles
{
private $worksheet;
private $worksheetXml;
private $dxfs;
public function __construct(Worksheet $workSheet, SimpleXMLElement $worksheetXml, array $dxfs = [])
{
$this->worksheet = $workSheet;
$this->worksheetXml = $worksheetXml;
$this->dxfs = $dxfs;
}
public function load(): void
{
$this->setConditionalStyles(
$this->worksheet,
$this->readConditionalStyles($this->worksheetXml)
);
}
private function readConditionalStyles($xmlSheet)
{
$conditionals = [];
foreach ($xmlSheet->conditionalFormatting as $conditional) {
foreach ($conditional->cfRule as $cfRule) {
if (
((string) $cfRule['type'] == Conditional::CONDITION_NONE
|| (string) $cfRule['type'] == Conditional::CONDITION_CELLIS
|| (string) $cfRule['type'] == Conditional::CONDITION_CONTAINSTEXT
|| (string) $cfRule['type'] == Conditional::CONDITION_CONTAINSBLANKS
|| (string) $cfRule['type'] == Conditional::CONDITION_NOTCONTAINSBLANKS
|| (string) $cfRule['type'] == Conditional::CONDITION_EXPRESSION)
&& isset($this->dxfs[(int) ($cfRule['dxfId'])])
) {
$conditionals[(string) $conditional['sqref']][(int) ($cfRule['priority'])] = $cfRule;
}
}
}
return $conditionals;
}
private function setConditionalStyles(Worksheet $worksheet, array $conditionals): void
{
foreach ($conditionals as $ref => $cfRules) {
ksort($cfRules);
$conditionalStyles = $this->readStyleRules($cfRules);
// Extract all cell references in $ref
$cellBlocks = explode(' ', str_replace('$', '', strtoupper($ref)));
foreach ($cellBlocks as $cellBlock) {
$worksheet->getStyle($cellBlock)->setConditionalStyles($conditionalStyles);
}
}
}
private function readStyleRules($cfRules)
{
$conditionalStyles = [];
foreach ($cfRules as $cfRule) {
$objConditional = new Conditional();
$objConditional->setConditionType((string) $cfRule['type']);
$objConditional->setOperatorType((string) $cfRule['operator']);
if ((string) $cfRule['text'] != '') {
$objConditional->setText((string) $cfRule['text']);
}
if (isset($cfRule['stopIfTrue']) && (int) $cfRule['stopIfTrue'] === 1) {
$objConditional->setStopIfTrue(true);
}
if (count($cfRule->formula) > 1) {
foreach ($cfRule->formula as $formula) {
$objConditional->addCondition((string) $formula);
}
} else {
$objConditional->addCondition((string) $cfRule->formula);
}
$objConditional->setStyle(clone $this->dxfs[(int) ($cfRule['dxfId'])]);
$conditionalStyles[] = $objConditional;
}
return $conditionalStyles;
}
}
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