<?php

/**
 * @property-read Zend_Form_Element_Select $pageId
 */
abstract class App_PwxSlide_Admin_Form_Abstract extends Qs_Form
{
    protected $_defaults = array(
        'linkType'  => 'none',
        'show'      => 'y',
    );

    protected function _initElements()
    {
        $config = $this->getConfig()->toArray();
        $descriptionTitle = "Text space is limited to " . $config['maxImageTitleLength']
                            . " characters. Characters above the limit won't be shown on the user end.";
        $this->addElement(
            'text',
            'title',
            array(
                'label'       => 'Title',
                'required'    => true,
                'description' => $descriptionTitle
            )
        );
        $this->addElement(
            'extendedImage',
            'image',
            array(
                'label'    => 'Slide Image',
                'required' => true,
                'resize'   => $config['image']['width'] . 'x' . $config['image']['height']
                    . $config['image']['resizeMethodAlias'],
                'validators'  => array(
                    array('IsImage', true),
                    array(
                        'ImageSize',
                        true,
                        array(
                            'minwidth'  => $config['image']['width'],
                            'minheight' => $config['image']['height']
                        )
                    )
                )
            )
        );
        $linkType = $this->_getData('linkType');
        $this->addElement(
            'select',
            'linkType',
            array(
                'label'        => 'Type',
                'multiOptions' => array('none' => 'No Link', 'url' => 'URL', 'cms' => 'Site Page'),
                'required'     => true,
                'value'        => $linkType,
                'separator'    => ' ',
            )
        );

        $this->addElement(
            'text',
            'url',
            array(
                'label'       => 'Url',
                'class'       => 'text',
                'validators'  => array('url'),
                'description' => 'Example: http://www.adaptainc.com'
            )
        );

        $this->addElement('text', 'linkText', array('label' => 'Link Text', 'class' => 'text'));
        $this->addElement('select', 'pageId', array('label' => 'Site Page', 'escapeLabel' => false));
        $this->pageId->setMultiOptions(array('' => '- Select Page -') + App_Cms_Obj::getInstance()->getPages4Select(0));
        $this->addDisplayGroup(
            array('linkType', 'url', 'pageId', 'linkText'),
            'linkTypeGroup',
            array('legend' => 'Link')
        );
        $this->getDisplayGroup('linkTypeGroup')->getDecorator('HtmlTag')->setOption('class', $linkType);
        $this->addElement('checkbox', 'show', array('label' => 'Show on user end', 'decoration' => 'simple'));

        if (in_array($linkType, array('url', 'cms'))) {
            if ('url' == $linkType) {
                $this->getElement('url')->setRequired();
            } else if ('cms' == $linkType) {
                $this->getElement('pageId')->setRequired();
            }
        }
    }

    public function render(Zend_View_Interface $view = null)
    {
        /**
         * спочатку робиться рендер щоб ініціалізувалась форма і підчепились джаваскрипти, бо з App_PwxSlide.updateQsForm()
         * робляться звернення до Qs_Form
         */
        $content = parent::render($view);

        /** @var $doc Qs_Doc */
        $doc = Zend_Registry::get('doc');
        $doc->addScript('js/app/admin-pwxslide.js');
        $options = array('formId' => $this->getId());
        $doc->addInitFunction('initappPwxSlide', array($options));

        return $content;
    }
}