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<?php
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namespace PhpOffice\PhpSpreadsheet\Style\ConditionalFormatting\Wizard;
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use PhpOffice\PhpSpreadsheet\Exception;
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use PhpOffice\PhpSpreadsheet\Style\Conditional;
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use PhpOffice\PhpSpreadsheet\Style\ConditionalFormatting\Wizard;
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/**
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* @method Blanks notBlank()
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* @method Blanks notEmpty()
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* @method Blanks isBlank()
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* @method Blanks isEmpty()
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*/
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class Blanks extends WizardAbstract implements WizardInterface
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{
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protected const OPERATORS = [
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'notBlank' => false,
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'isBlank' => true,
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'notEmpty' => false,
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'empty' => true,
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];
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protected const EXPRESSIONS = [
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Wizard::NOT_BLANKS => 'LEN(TRIM(%s))>0',
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Wizard::BLANKS => 'LEN(TRIM(%s))=0',
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];
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protected bool $inverse;
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public function __construct(string $cellRange, bool $inverse = false)
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{
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parent::__construct($cellRange);
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$this->inverse = $inverse;
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}
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protected function inverse(bool $inverse): void
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{
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$this->inverse = $inverse;
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}
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protected function getExpression(): void
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{
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$this->expression = sprintf(
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self::EXPRESSIONS[$this->inverse ? Wizard::BLANKS : Wizard::NOT_BLANKS],
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$this->referenceCell
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);
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}
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public function getConditional(): Conditional
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{
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$this->getExpression();
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$conditional = new Conditional();
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$conditional->setConditionType(
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$this->inverse ? Conditional::CONDITION_CONTAINSBLANKS : Conditional::CONDITION_NOTCONTAINSBLANKS
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);
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$conditional->setConditions([$this->expression]);
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$conditional->setStyle($this->getStyle());
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$conditional->setStopIfTrue($this->getStopIfTrue());
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return $conditional;
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}
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public static function fromConditional(Conditional $conditional, string $cellRange = 'A1'): WizardInterface
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{
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if (
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$conditional->getConditionType() !== Conditional::CONDITION_CONTAINSBLANKS
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&& $conditional->getConditionType() !== Conditional::CONDITION_NOTCONTAINSBLANKS
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) {
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throw new Exception('Conditional is not a Blanks CF Rule conditional');
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}
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$wizard = new self($cellRange);
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$wizard->style = $conditional->getStyle();
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$wizard->stopIfTrue = $conditional->getStopIfTrue();
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$wizard->inverse = $conditional->getConditionType() === Conditional::CONDITION_CONTAINSBLANKS;
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return $wizard;
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}
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/**
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* @param mixed[] $arguments
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*/
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public function __call(string $methodName, array $arguments): self
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{
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if (!array_key_exists($methodName, self::OPERATORS)) {
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throw new Exception('Invalid Operation for Blanks CF Rule Wizard');
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}
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$this->inverse(self::OPERATORS[$methodName]);
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return $this;
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}
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}
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