Files
iTop/sources/Forms/Block/Expression/AbstractExpressionFormBlock.php
2026-01-27 16:37:17 +01:00

64 lines
1.6 KiB
PHP

<?php
/*
* @copyright Copyright (C) 2010-2025 Combodo SAS
* @license http://opensource.org/licenses/AGPL-3.0
*/
namespace Combodo\iTop\Forms\Block\Expression;
use Combodo\iTop\Forms\Block\AbstractFormBlock;
use Combodo\iTop\Forms\Block\FormBlockException;
use Combodo\iTop\Forms\IO\Format\BooleanIOFormat;
use Combodo\iTop\Forms\Register\IORegister;
use Exception;
use Expression;
use Symfony\Component\Form\FormEvents;
/**
* An abstract block to manage an expression.
*
* @api
* @package FormBlock
* @since 3.3.0
*/
abstract class AbstractExpressionFormBlock extends AbstractFormBlock
{
public const EXPRESSION_PATTERN = "/:(?<input>\w+)/";
/** @inheritdoc
* @throws FormBlockException
*/
public function AllInputsReadyEvent(): void
{
parent::AllInputsReadyEvent();
$this->ComputeExpression(FormEvents::POST_SET_DATA);
$this->ComputeExpression(FormEvents::POST_SUBMIT);
}
/**
* Compute the expression and set the output values.
*
* @param string $sEventType
*
* @return mixed
* @throws FormBlockException
*/
public function ComputeExpression(string $sEventType): mixed
{
$sExpression = $this->GetOption('expression');
try {
$oExpression = Expression::FromOQL($sExpression);
$aFieldsToResolve = $oExpression->ListRequiredFields();
$aResolvedParams = [];
foreach ($aFieldsToResolve as $sFieldToResolve) {
$aResolvedParams[$sFieldToResolve] = strval($this->GetInputValue($sFieldToResolve));
}
return $oExpression->Evaluate($aResolvedParams);
} catch (Exception $e) {
throw new FormBlockException('Compute expression '.json_encode($sExpression).' block issue: '.$e->getMessage(), 0, $e);
}
}
}