Files
iTop/sources/Forms/Block/DataModel/AttributeValueChoiceFormBlock.php
2025-11-14 16:42:42 +01:00

72 lines
2.1 KiB
PHP

<?php
/*
* @copyright Copyright (C) 2010-2025 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
namespace Combodo\iTop\Forms\Block\DataModel;
use Combodo\iTop\Forms\Block\Base\ChoiceFormBlock;
use Combodo\iTop\Forms\Block\FormBlockException;
use Combodo\iTop\Forms\IO\Format\AttributeIOFormat;
use Combodo\iTop\Forms\IO\Format\ClassIOFormat;
use Combodo\iTop\Forms\IO\Format\RawFormat;
use Combodo\iTop\Forms\Register\IORegister;
use Combodo\iTop\Forms\Register\OptionsRegister;
use Exception;
use MetaModel;
/**
* Form block for choice of class attribute values.
*
* @package DataModel
*/
class AttributeValueChoiceFormBlock extends ChoiceFormBlock
{
// inputs
public const INPUT_CLASS_NAME = 'class_name';
public const INPUT_ATTRIBUTE = 'attribute';
// Outputs
public const OUTPUT_VALUE = 'value';
/** @inheritdoc */
protected function RegisterOptions(OptionsRegister $oOptionsRegister): void
{
parent::RegisterOptions($oOptionsRegister);
$oOptionsRegister->SetOption('multiple', true);
$oOptionsRegister->SetOptionArrayValue('attr', 'size', 5);
$oOptionsRegister->SetOptionArrayValue('attr', 'style', 'height: auto;');
}
/** @inheritdoc */
protected function RegisterIO(IORegister $oIORegister): void
{
parent::RegisterIO($oIORegister);
$oIORegister->AddInput(self::INPUT_CLASS_NAME, ClassIOFormat::class);
$oIORegister->AddInput(self::INPUT_ATTRIBUTE, AttributeIOFormat::class);
$oIORegister->AddOutput(self::OUTPUT_VALUE, RawFormat::class);
}
/** @inheritdoc
* @throws \Combodo\iTop\Forms\Block\FormBlockException
*/
public function UpdateOptions(OptionsRegister $oOptionsRegister): void
{
parent::UpdateOptions($oOptionsRegister);
$oClassName = $this->GetInputValue(self::INPUT_CLASS_NAME);
$oAttribute = $this->GetInputValue(self::INPUT_ATTRIBUTE);
try {
$oAttDef = MetaModel::GetAttributeDef(strval($oClassName), strval($oAttribute));
$aValues = $oAttDef->GetAllowedValues();
$oOptionsRegister->SetOption('choices', array_flip($aValues ?? []));
}
catch (Exception $e) {
throw new FormBlockException('Update option failed for '.json_encode($this->GetName()), 0, $e);
}
}
}