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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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use Packetery\Nette\Forms\Form; |
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use Packetery\Nette\Utils\Strings; |
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/** |
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* Implements the basic functionality common to text input controls. |
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*/ |
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abstract class TextBase extends BaseControl |
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{ |
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/** @var string */ |
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protected $emptyValue = ''; |
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/** @var mixed unfiltered submitted value */ |
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protected $rawValue = ''; |
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/** @var bool */ |
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private $nullable; |
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/** |
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* Sets control's value. |
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* @return static |
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* @internal |
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*/ |
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public function setValue($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), $this->name)); |
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} |
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$this->value = $value; |
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$this->rawValue = (string) $value; |
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return $this; |
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} |
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/** |
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* Returns control's value. |
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* @return mixed |
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*/ |
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public function getValue() |
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{ |
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$value = $this->value === Strings::trim($this->translate($this->emptyValue)) ? '' : $this->value; |
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return $this->nullable && $value === '' ? null : $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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/** |
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* Sets the special value which is treated as empty string. |
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* @return static |
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*/ |
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public function setEmptyValue(string $value) |
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{ |
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$this->emptyValue = $value; |
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return $this; |
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} |
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/** |
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* Returns the special value which is treated as empty string. |
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*/ |
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public function getEmptyValue() : string |
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{ |
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return $this->emptyValue; |
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} |
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/** |
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* Sets the maximum number of allowed characters. |
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* @return static |
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*/ |
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public function setMaxLength(int $length) |
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{ |
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$this->control->maxlength = $length; |
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return $this; |
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} |
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public function getControl() : \Packetery\Nette\Utils\Html |
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{ |
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$el = parent::getControl(); |
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if ($this->emptyValue !== '') { |
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$el->attrs['data-nette-empty-value'] = Strings::trim($this->translate($this->emptyValue)); |
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} |
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if (isset($el->placeholder)) { |
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$el->placeholder = $this->translate($el->placeholder); |
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} |
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return $el; |
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} |
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protected function getRenderedValue() : ?string |
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{ |
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return $this->rawValue === '' ? $this->emptyValue === '' ? null : $this->translate($this->emptyValue) : $this->rawValue; |
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} |
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/** @return static */ |
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public function addRule($validator, $errorMessage = null, $arg = null) |
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{ |
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foreach ($this->getRules() as $rule) { |
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if (!$rule->canExport() && !$rule->branch) { |
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return parent::addRule($validator, $errorMessage, $arg); |
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} |
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} |
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if ($validator === Form::LENGTH || $validator === Form::MAX_LENGTH) { |
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$tmp = \is_array($arg) ? $arg[1] : $arg; |
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if (\is_scalar($tmp)) { |
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$this->control->maxlength = isset($this->control->maxlength) ? \min($this->control->maxlength, $tmp) : $tmp; |
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} |
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} |
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return parent::addRule($validator, $errorMessage, $arg); |
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} |
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} |
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