<?php

namespace App\WideSlide\Admin\Form;
use App\WideSlide;

class AbstractForm extends \Qs_Form
{
    protected $_dataObj = null;

    /**
     * Return data object
     *
     * @return \App\WideSlide\Admin\Obj
     */
    protected function _getDataObj()
    {
        if (null === $this->_dataObj) {
            $this->_dataObj = new WideSlide\Admin\Obj();
        }
        return $this->_dataObj;
    }

    protected function _initElements()
    {
        $config = \Qs_Application::getConfig('WideSlide')->toArray();

        $this->addElement('text', 'title', array('label' => 'Title', 'required' => true));

        $this->addElement(
            'select',
            'pageId',
            array(
                'label'        => 'Slide Page',
                'required'     => true,
                'multiOptions' => array('' => '- Select One -') + (array) $this->_getDataObj()->getSliderPages()
            )
        );

        if ($this->_getData('pageId') && WideSlide\AbstractObj::HOME_PAGE_ID != $this->_getData('pageId')) {
            $resize = $config['imageAdditionalPages']['width'] . 'x' . $config['imageAdditionalPages']['height']
                . $config['imageAdditionalPages']['resizeMethodAlias'];

            $minWidth = $config['imageAdditionalPages']['width'];
            $minHeight = $config['imageAdditionalPages']['height'];
        } else {
            $resize = $config['image']['width'] . 'x' . $config['image']['height']
                . $config['image']['resizeMethodAlias'];

            $minWidth = $config['image']['width'];
            $minHeight = $config['image']['height'];
        }


        $validators = array(
            array('IsImage', true),
            array(
                'ImageSize',
                true,
                array(
                    'minwidth'  => $minWidth,
                    'minheight' => $minHeight
                )
            )
        );
        $this->addElement(
            'extendedImage',
            'image',
            array(
                'label'      => 'Image',
                'required'   => true,
                'resize'     => $resize,
                'validators' => $validators
            )
        );

        $this->addElement('checkbox', 'enabled', array('label' => 'Show on user end', 'decoration' => 'simple'));

        return $this;
    }

    /**
     * @param array|string $elementsNames
     * @return AbstractForm
     */
    protected function _addAsterisk($elementsNames)
    {
        if (!is_array($elementsNames)) {
            $elementsNames = array($elementsNames);
        }

        foreach ($elementsNames as $elementName) {
            $element = $this->getElement($elementName);
            if (!$element->isRequired()) {
                $element->getDecorator('Label')->setOption('class', 'required');
            }
        }

        return $this;
    }

    /**
     * @param array|string $elementsNames
     * @return AbstractForm
     */
    protected function _addHiddenClass($elementsNames)
    {
        if (!is_array($elementsNames)) {
            $elementsNames = array($elementsNames);
        }

        foreach ($elementsNames as $elementName) {
            $element = $this->getElement($elementName);

            /** @var \Qs_Form_Decorator_Label $label */
            $label = $element->getDecorator('Label');
            $label->setTagOption('class', 'hidden');

            /** @var \Qs_Form_Decorator_HtmlTag $htmlTag */
            $htmlTag = $element->getDecorator('HtmlTag');
            $htmlTag->setOption('class', 'hidden');
        }

        return $this;
    }

    public function render(\Zend_View_Interface $view = null)
    {
        /** @var \Qs_Doc $doc */
        $doc = \Zend_Registry::get('doc');

        $doc->addScript('js/app/wideSlide/admin/form.js');

        $config = \Qs_Application::getConfig('WideSlide')->toArray();

        $options = array(
            'form'           => $this->getId(),
            'pageElementId'  => 'pageId',
            'homePageId'     => WideSlide\AbstractObj::HOME_PAGE_ID,
            'defaultImgSize' => $config['image']['width'] . 'x' . $config['image']['height'],
            'imgSize'        => $config['imageAdditionalPages']['width'] . 'x' . $config['imageAdditionalPages']['height']
        );
        $doc->addInitObject('App_WideSlide_Admin_Form', array($options), 'wideSlideFrom');

        return parent::render($view);
    }
}