<?php

namespace Artmark\Forms\Attributes;

/**
 * Description of SizeAttribute
 *
 * @author Andrey Pokidov <pokidov@e-traffic.ru>
 */
trait SizeAttribute
{
    /**
     *
     * @var int
     */
    private $size = 0;
    
    /**
     * HTML site attribute of the input tag
     * @return int
     */
    public function size()
    {
        return $this->size;
    }
    
    /**
     * 
     * @return boolean
     */
    public function hasSize()
    {
        return $this->size > 0;
    }
    
    /**
     * 
     * @param int $newSize
     * @return $this
     */
    public function setSize($newSize)
    {
        $this->size = intval($newSize);
        
        if ($this->size < 0) {
            $this->size = 0;
        }
        
        return $this;
    }
    
    /**
     * 
     * @return $this
     */
    public function removeSize()
    {
        $this->size = 0;
        
        return $this;
    }
    
    protected function appendSizeAttribute(array & $attributes)
    {
        if ($this->hasSize())
        {
            $attributes['size'] = $this->size;
        }
    }
}