Files
iTop/sources/Forms/Block/DataModel/AttributeValueChoiceFormBlock.php
2025-10-29 13:14:15 +01:00

103 lines
2.5 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\Block\IO\Format\AttributeIOFormat;
use Combodo\iTop\Forms\Block\IO\Format\ClassIOFormat;
use Combodo\iTop\Forms\Block\IO\Format\RawFormat;
use Combodo\iTop\Forms\FormType\AttributeValueFormType;
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 */
public function InitOptions(array &$aOptions = []): array
{
$aOptions['multiple'] = true;
$aOptions['attr'] = [
'size' => 5,
'style' => 'height: auto;'
];
return $aOptions;
}
/** @inheritdoc */
public function InitInputs(): void
{
parent::InitInputs();
$this->AddInput(self::INPUT_CLASS_NAME, ClassIOFormat::class);
$this->AddInput(self::INPUT_ATTRIBUTE, AttributeIOFormat::class);
}
/** @inheritdoc */
public function InitOutputs(): void
{
parent::InitOutputs();
$this->AddOutput(self::OUTPUT_VALUE, RawFormat::class);
}
/** @inheritdoc
* @throws FormBlockException
* @throws Exception
*/
public function AllowAdd(): bool
{
$bDependentOk = $this->GetInput(self::INPUT_CLASS_NAME)->Value() != '' && $this->GetInput(self::INPUT_ATTRIBUTE)->Value() != '';
if($bDependentOk) {
$oAttDef = MetaModel::GetAttributeDef($this->GetInput(self::INPUT_CLASS_NAME)->Value()->__toString(), $this->GetInput(self::INPUT_ATTRIBUTE)->Value()->__toString());
$aValues = $oAttDef->GetAllowedValues();
return $aValues != null;
}
else{
return false;
}
}
/** @inheritdoc
* @throws Exception
*/
public function UpdateOptions(): array
{
$aOptions = parent::GetOptions();
$oClassName = $this->GetInput(self::INPUT_CLASS_NAME)->Value();
if($oClassName == '')
return $aOptions;
$oAttribute = $this->GetInput(self::INPUT_ATTRIBUTE)->Value();
if($oAttribute == '')
return $aOptions;
$oAttDef = MetaModel::GetAttributeDef(strval($oClassName), strval($oAttribute));
$aValues = $oAttDef->GetAllowedValues();
if($aValues === null)
return $aOptions;
$aOptions['choices'] = array_flip($aValues);
return $aOptions;
}
}