<?php

class Qs_Form_Element_Date extends Zend_Form_Element
{
    protected $_format = 'mm/dd/yy';

    public function init()
    {
        $this->addValidator('Date', false, ['format' => 'Y-m-d']);
        $this->getValidator('Date')->setMessage('Date is in wrong format', Zend_Validate_Date::FALSEFORMAT);
    }

    public function getFormat()
    {
        return $this->_format;
    }

    public function setFormat($format)
    {
        $this->_format = (string) $format;
        return $this;
    }

    public function loadDefaultDecorators()
    {
        if ($this->loadDefaultDecoratorsIsDisabled()) {
            return;
        }

        $decorators = $this->getDecorators();
        if (empty($decorators)) {
            $this->addDecorator('JQuery_Datepicker')
                ->addDecorator('Errors')
                ->addDecorator('Description', array('tag' => 'p', 'class' => 'description'))
                ->addDecorator('HtmlTag', array('tag' => 'dd', 'id'  => $this->getName() . '-element'))
                ->addDecorator('Label', array('tag' => 'dt'));
        }
    }

    public function setValue($value)
    {
        return parent::setValue(empty($value) ? null : $value);
    }
}