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<?php |
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|
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/** |
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* This file is part of the Nette Framework (https://nette.org) |
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* Copyright (c) 2004 David Grudl (https://davidgrudl.com) |
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*/ |
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declare (strict_types=1); |
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namespace Packetery\Nette\Forms\Controls; |
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|
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use Packetery\Nette; |
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/** |
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* Hidden form control used to store a non-displayed value. |
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*/ |
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class HiddenField extends BaseControl |
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{ |
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/** @var bool */ |
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private $persistValue; |
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/** @var bool */ |
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private $nullable = \false; |
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public function __construct($persistentValue = null) |
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{ |
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parent::__construct(); |
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$this->control->type = 'hidden'; |
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$this->setOption('type', 'hidden'); |
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if ($persistentValue !== null) { |
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$this->unmonitor(\Packetery\Nette\Forms\Form::class); |
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$this->persistValue = \true; |
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$this->value = (string) $persistentValue; |
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} |
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} |
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/** |
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* Sets control's value. |
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* @return static |
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* @internal |
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*/ |
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public function setValue($value) |
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{ |
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if ($value === null) { |
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$value = ''; |
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} elseif (!\is_scalar($value) && !(\is_object($value) && \method_exists($value, '__toString'))) { |
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throw new \Packetery\Nette\InvalidArgumentException(\sprintf("Value must be scalar or null, %s given in field '%s'.", \gettype($value), $this->name)); |
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} |
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if (!$this->persistValue) { |
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$this->value = $value; |
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} |
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return $this; |
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} |
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public function getValue() |
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{ |
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return $this->nullable && $this->value === '' ? null : $this->value; |
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} |
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/** |
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* Sets whether getValue() returns null instead of empty string. |
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* @return static |
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*/ |
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public function setNullable(bool $value = \true) |
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{ |
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$this->nullable = $value; |
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return $this; |
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} |
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public function getControl() : \Packetery\Nette\Utils\Html |
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{ |
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$this->setOption('rendered', \true); |
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$el = clone $this->control; |
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return $el->addAttributes(['name' => $this->getHtmlName(), 'disabled' => $this->isDisabled(), 'value' => (string) $this->value]); |
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} |
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/** |
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* Bypasses label generation. |
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*/ |
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public function getLabel($caption = null) |
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{ |
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return null; |
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} |
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/** |
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* Adds error message to the list. |
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* @param string|object $message |
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*/ |
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public function addError($message, bool $translate = \true) : void |
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{ |
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$this->getForm()->addError($message, $translate); |
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} |
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} |
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