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							111 lines
						
					
					
						
							3.2 KiB
						
					
					
				
			
		
		
	
	
							111 lines
						
					
					
						
							3.2 KiB
						
					
					
				<?php | 
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/** | 
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 * @link http://www.yiiframework.com/ | 
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 * @copyright Copyright (c) 2008 Yii Software LLC | 
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 * @license http://www.yiiframework.com/license/ | 
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 */ | 
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 | 
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namespace yii\validators; | 
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use Yii; | 
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use yii\helpers\Html; | 
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 | 
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/** | 
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 * RequiredValidator validates that the specified attribute does not have null or empty value. | 
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 * | 
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 * @author Qiang Xue <qiang.xue@gmail.com> | 
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 * @since 2.0 | 
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 */ | 
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class RequiredValidator extends Validator | 
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{ | 
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	/** | 
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	 * @var boolean whether to skip this validator if the value being validated is empty. | 
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	 */ | 
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	public $skipOnEmpty = false; | 
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	/** | 
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	 * @var mixed the desired value that the attribute must have. | 
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	 * If this is null, the validator will validate that the specified attribute is not empty. | 
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	 * If this is set as a value that is not null, the validator will validate that | 
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	 * the attribute has a value that is the same as this property value. | 
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	 * Defaults to null. | 
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	 * @see strict | 
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	 */ | 
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	public $requiredValue; | 
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	/** | 
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	 * @var boolean whether the comparison between the attribute value and [[requiredValue]] is strict. | 
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	 * When this is true, both the values and types must match. | 
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	 * Defaults to false, meaning only the values need to match. | 
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	 * Note that when [[requiredValue]] is null, if this property is true, the validator will check | 
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	 * if the attribute value is null; If this property is false, the validator will call [[isEmpty]] | 
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	 * to check if the attribute value is empty. | 
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	 */ | 
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	public $strict = false; | 
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	/** | 
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	 * @var string the user-defined error message. It may contain the following placeholders which | 
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	 * will be replaced accordingly by the validator: | 
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	 * | 
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	 * - `{attribute}`: the label of the attribute being validated | 
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	 * - `{value}`: the value of the attribute being validated | 
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	 * - `{requiredValue}`: the value of [[requiredValue]] | 
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	 */ | 
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	public $message; | 
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 | 
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	/** | 
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	 * @inheritdoc | 
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	 */ | 
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	public function init() | 
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	{ | 
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		parent::init(); | 
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		if ($this->message === null) { | 
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			$this->message = $this->requiredValue === null ? Yii::t('yii', '{attribute} cannot be blank.') | 
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				: Yii::t('yii', '{attribute} must be "{requiredValue}".'); | 
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		} | 
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	} | 
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 | 
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	/** | 
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	 * @inheritdoc | 
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	 */ | 
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	protected function validateValue($value) | 
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	{ | 
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		if ($this->requiredValue === null) { | 
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			if ($this->strict && $value !== null || !$this->strict && !$this->isEmpty($value, true)) { | 
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				return null; | 
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			} | 
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		} elseif (!$this->strict && $value == $this->requiredValue || $this->strict && $value === $this->requiredValue) { | 
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			return null; | 
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		} | 
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		if ($this->requiredValue === null) { | 
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			return [$this->message, []]; | 
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		} else { | 
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			return [$this->message, [ | 
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				'requiredValue' => $this->requiredValue, | 
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			]]; | 
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		} | 
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	} | 
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 | 
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	/** | 
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	 * @inheritdoc | 
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	 */ | 
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	public function clientValidateAttribute($object, $attribute, $view) | 
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	{ | 
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		$options = []; | 
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		if ($this->requiredValue !== null) { | 
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			$options['message'] = strtr($this->message, [ | 
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				'{requiredValue}' => $this->requiredValue, | 
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			]); | 
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			$options['requiredValue'] = $this->requiredValue; | 
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		} else { | 
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			$options['message'] = $this->message; | 
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		} | 
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		if ($this->strict) { | 
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			$options['strict'] = 1; | 
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		} | 
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 | 
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		$options['message'] = strtr($options['message'], [ | 
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			'{attribute}' => $object->getAttributeLabel($attribute), | 
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		]); | 
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 | 
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		ValidationAsset::register($view); | 
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		return 'yii.validation.required(value, messages, ' . json_encode($options) . ');'; | 
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	} | 
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}
 | 
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