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