laravel-package-forms/src/Attributes/ActionAttribute.php

<?php

namespace Artmark\Forms\Attributes;

/**
 * Description of ActionAttribute
 *
 * @author Andrey Pokidov <pokidov@e-traffic.ru>
 */
trait ActionAttribute
{
    /**
     *
     * @var string
     */
    private $action = '';
    
    /**
     * HTML action attribute of the tag
     * @return string
     */
    public function action()
    {
        return $this->action;
    }
    
    /**
     * 
     * @return boolean
     */
    public function hasAction()
    {
        return $this->action !== '';
    }
    
    /**
     * 
     * @param string $newAction
     * @return $this
     */
    public function setAction($newAction)
    {
        self::checkAction($newAction);
        
        $this->action = trim($newAction);
        
        return $this;
    }
    
    /**
     * 
     * @return $this
     */
    public function removeAction()
    {
        $this->action = '';
        
        return $this;
    }
    
    protected function appendActionAttribute(array & $attributes)
    {
        if ($this->hasAction())
        {
            $attributes['action'] = $this->action;
        }
        
        return $attributes;
    }
    
    public static function checkAction($action)
    {
        if (!self::isCorrectAction($action)) {
            throw new AttributeException('Incorrect action value: `' . strval($action) . '`');
        }
    }
    
    public static function isCorrectAction($action)
    {
        return is_string($action);
    }
}