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Edit File: ConditionalStyles.php

<?php

namespace PhpOffice\PhpSpreadsheet\Reader\Xlsx;

use PhpOffice\PhpSpreadsheet\Reader\Xlsx\Styles as StyleReader;
use PhpOffice\PhpSpreadsheet\Style\Conditional;
use PhpOffice\PhpSpreadsheet\Style\ConditionalFormatting\ConditionalDataBar;
use PhpOffice\PhpSpreadsheet\Style\ConditionalFormatting\ConditionalFormattingRuleExtension;
use PhpOffice\PhpSpreadsheet\Style\ConditionalFormatting\ConditionalFormatValueObject;
use PhpOffice\PhpSpreadsheet\Style\Style as Style;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use SimpleXMLElement;
use stdClass;

class ConditionalStyles
{
    /** @var Worksheet */
    private $worksheet;

/** @var SimpleXMLElement */
    private $worksheetXml;

/**
     * @var array
     */
    private $ns;

/** @var array */
    private $dxfs;

public function __construct(Worksheet $workSheet, SimpleXMLElement $worksheetXml, array $dxfs = [])
    {
        $this->worksheet = $workSheet;
        $this->worksheetXml = $worksheetXml;
        $this->dxfs = $dxfs;
    }

public function load(): void
    {
        $selectedCells = $this->worksheet->getSelectedCells();

$this->setConditionalStyles(
            $this->worksheet,
            $this->readConditionalStyles($this->worksheetXml),
            $this->worksheetXml->extLst
        );

$this->worksheet->setSelectedCells($selectedCells);
    }

public function loadFromExt(StyleReader $styleReader): void
    {
        $selectedCells = $this->worksheet->getSelectedCells();

$this->ns = $this->worksheetXml->getNamespaces(true);
        $this->setConditionalsFromExt(
            $this->readConditionalsFromExt($this->worksheetXml->extLst, $styleReader)
        );

$this->worksheet->setSelectedCells($selectedCells);
    }

private function setConditionalsFromExt(array $conditionals): void
    {
        foreach ($conditionals as $conditionalRange => $cfRules) {
            ksort($cfRules);
            // Priority is used as the key for sorting; but may not start at 0,
            // so we use array_values to reset the index after sorting.
            $this->worksheet->getStyle($conditionalRange)
                ->setConditionalStyles(array_values($cfRules));
        }
    }

private function readConditionalsFromExt(SimpleXMLElement $extLst, StyleReader $styleReader): array
    {
        $conditionals = [];

if (isset($extLst->ext['uri']) && (string) $extLst->ext['uri'] === '{78C0D931-6437-407d-A8EE-F0AAD7539E65}') {
            $conditionalFormattingRuleXml = $extLst->ext->children($this->ns['x14']);
            if (!$conditionalFormattingRuleXml->conditionalFormattings) {
                return [];
            }

foreach ($conditionalFormattingRuleXml->children($this->ns['x14']) as $extFormattingXml) {
                $extFormattingRangeXml = $extFormattingXml->children($this->ns['xm']);
                if (!$extFormattingRangeXml->sqref) {
                    continue;
                }

$sqref = (string) $extFormattingRangeXml->sqref;
                $extCfRuleXml = $extFormattingXml->cfRule;

$attributes = $extCfRuleXml->attributes();
                if (!$attributes) {
                    continue;
                }
                $conditionType = (string) $attributes->type;
                if (
                    !Conditional::isValidConditionType($conditionType) ||
                    $conditionType === Conditional::CONDITION_DATABAR
                ) {
                    continue;
                }

$priority = (int) $attributes->priority;

$conditional = $this->readConditionalRuleFromExt($extCfRuleXml, $attributes);
                $cfStyle = $this->readStyleFromExt($extCfRuleXml, $styleReader);
                $conditional->setStyle($cfStyle);
                $conditionals[$sqref][$priority] = $conditional;
            }
        }

return $conditionals;
    }

private function readConditionalRuleFromExt(SimpleXMLElement $cfRuleXml, SimpleXMLElement $attributes): Conditional
    {
        $conditionType = (string) $attributes->type;
        $operatorType = (string) $attributes->operator;

$operands = [];
        foreach ($cfRuleXml->children($this->ns['xm']) as $cfRuleOperandsXml) {
            $operands[] = (string) $cfRuleOperandsXml;
        }

$conditional = new Conditional();
        $conditional->setConditionType($conditionType);
        $conditional->setOperatorType($operatorType);
        if (
            $conditionType === Conditional::CONDITION_CONTAINSTEXT ||
            $conditionType === Conditional::CONDITION_NOTCONTAINSTEXT ||
            $conditionType === Conditional::CONDITION_BEGINSWITH ||
            $conditionType === Conditional::CONDITION_ENDSWITH ||
            $conditionType === Conditional::CONDITION_TIMEPERIOD
        ) {
            $conditional->setText(array_pop($operands) ?? '');
        }
        $conditional->setConditions($operands);

return $conditional;
    }

private function readStyleFromExt(SimpleXMLElement $extCfRuleXml, StyleReader $styleReader): Style
    {
        $cfStyle = new Style(false, true);
        if ($extCfRuleXml->dxf) {
            $styleXML = $extCfRuleXml->dxf->children();

if ($styleXML->borders) {
                $styleReader->readBorderStyle($cfStyle->getBorders(), $styleXML->borders);
            }
            if ($styleXML->fill) {
                $styleReader->readFillStyle($cfStyle->getFill(), $styleXML->fill);
            }
        }

return $cfStyle;
    }

private function readConditionalStyles(SimpleXMLElement $xmlSheet): array
    {
        $conditionals = [];
        foreach ($xmlSheet->conditionalFormatting as $conditional) {
            foreach ($conditional->cfRule as $cfRule) {
                if (Conditional::isValidConditionType((string) $cfRule['type']) && (!isset($cfRule['dxfId']) || isset($this->dxfs[(int) ($cfRule['dxfId'])]))) {
                    $conditionals[(string) $conditional['sqref']][(int) ($cfRule['priority'])] = $cfRule;
                } elseif ((string) $cfRule['type'] == Conditional::CONDITION_DATABAR) {
                    $conditionals[(string) $conditional['sqref']][(int) ($cfRule['priority'])] = $cfRule;
                }
            }
        }

return $conditionals;
    }

private function setConditionalStyles(Worksheet $worksheet, array $conditionals, SimpleXMLElement $xmlExtLst): void
    {
        foreach ($conditionals as $cellRangeReference => $cfRules) {
            ksort($cfRules);
            $conditionalStyles = $this->readStyleRules($cfRules, $xmlExtLst);

// Extract all cell references in $cellRangeReference
            $cellBlocks = explode(' ', str_replace('$', '', strtoupper($cellRangeReference)));
            foreach ($cellBlocks as $cellBlock) {
                $worksheet->getStyle($cellBlock)->setConditionalStyles($conditionalStyles);
            }
        }
    }

private function readStyleRules(array $cfRules, SimpleXMLElement $extLst): array
    {
        $conditionalFormattingRuleExtensions = ConditionalFormattingRuleExtension::parseExtLstXml($extLst);
        $conditionalStyles = [];

foreach ($cfRules as $cfRule) {
            $objConditional = new Conditional();
            $objConditional->setConditionType((string) $cfRule['type']);
            $objConditional->setOperatorType((string) $cfRule['operator']);
            $objConditional->setNoFormatSet(!isset($cfRule['dxfId']));

if ((string) $cfRule['text'] != '') {
                $objConditional->setText((string) $cfRule['text']);
            } elseif ((string) $cfRule['timePeriod'] != '') {
                $objConditional->setText((string) $cfRule['timePeriod']);
            }

if (isset($cfRule['stopIfTrue']) && (int) $cfRule['stopIfTrue'] === 1) {
                $objConditional->setStopIfTrue(true);
            }

if (count($cfRule->formula) >= 1) {
                foreach ($cfRule->formula as $formulax) {
                    $formula = (string) $formulax;
                    if ($formula === 'TRUE') {
                        $objConditional->addCondition(true);
                    } elseif ($formula === 'FALSE') {
                        $objConditional->addCondition(false);
                    } else {
                        $objConditional->addCondition($formula);
                    }
                }
            } else {
                $objConditional->addCondition('');
            }

if (isset($cfRule->dataBar)) {
                $objConditional->setDataBar(
                    $this->readDataBarOfConditionalRule($cfRule, $conditionalFormattingRuleExtensions) // @phpstan-ignore-line
                );
            } elseif (isset($cfRule['dxfId'])) {
                $objConditional->setStyle(clone $this->dxfs[(int) ($cfRule['dxfId'])]);
            }

$conditionalStyles[] = $objConditional;
        }

return $conditionalStyles;
    }

/**
     * @param SimpleXMLElement|stdClass $cfRule
     */
    private function readDataBarOfConditionalRule($cfRule, array $conditionalFormattingRuleExtensions): ConditionalDataBar
    {
        $dataBar = new ConditionalDataBar();
        //dataBar attribute
        if (isset($cfRule->dataBar['showValue'])) {
            $dataBar->setShowValue((bool) $cfRule->dataBar['showValue']);
        }

//dataBar children
        //conditionalFormatValueObjects
        $cfvoXml = $cfRule->dataBar->cfvo;
        $cfvoIndex = 0;
        foreach ((count($cfvoXml) > 1 ? $cfvoXml : [$cfvoXml]) as $cfvo) {
            if ($cfvoIndex === 0) {
                $dataBar->setMinimumConditionalFormatValueObject(new ConditionalFormatValueObject((string) $cfvo['type'], (string) $cfvo['val']));
            }
            if ($cfvoIndex === 1) {
                $dataBar->setMaximumConditionalFormatValueObject(new ConditionalFormatValueObject((string) $cfvo['type'], (string) $cfvo['val']));
            }
            ++$cfvoIndex;
        }

//color
        if (isset($cfRule->dataBar->color)) {
            $dataBar->setColor((string) $cfRule->dataBar->color['rgb']);
        }
        //extLst
        $this->readDataBarExtLstOfConditionalRule($dataBar, $cfRule, $conditionalFormattingRuleExtensions);

return $dataBar;
    }

/**
     * @param SimpleXMLElement|stdClass $cfRule
     */
    private function readDataBarExtLstOfConditionalRule(ConditionalDataBar $dataBar, $cfRule, array $conditionalFormattingRuleExtensions): void
    {
        if (isset($cfRule->extLst)) {
            $ns = $cfRule->extLst->getNamespaces(true);
            foreach ((count($cfRule->extLst) > 0 ? $cfRule->extLst->ext : [$cfRule->extLst->ext]) as $ext) {
                $extId = (string) $ext->children($ns['x14'])->id;
                if (isset($conditionalFormattingRuleExtensions[$extId]) && (string) $ext['uri'] === '{B025F937-C7B1-47D3-B67F-A62EFF666E3E}') {
                    $dataBar->setConditionalFormattingRuleExt($conditionalFormattingRuleExtensions[$extId]);
                }
            }
        }
    }
}

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