<?php

class App_News_View extends Qs_ViewController
{
    protected $_actions = array('list', 'view');
    protected $_hasFilter = false;
    protected $_listTemplate = 'list.tpl';
    protected $_listOptions = array('defaultOrderBy' => 'date DESC');

    public function preDispatch(&$items)
    {
        if ($this->_defaultAction == 'view' && isset($items[0]) && $items[0]['type'] == 'HtmlBlock_') {
            unset($items[0]);
        }
    }
    
    protected function _init()
    {
        parent::_init();
        $params = $this->getRestParams();
        if (count($params) == 1 && is_numeric($params[0])) {
            $this->dataObj->setPrimaryKey($params[0]);
            $this->_defaultAction = 'view';
        } else {
            switch ($this->getConfig('type')) {
                case 'small':
                    $this->_listTemplate = 'small-list.tpl';
                    $this->_listOptions['defaultIpp'] = 3;
                    break;
                default:
                    break;
            }
        }
    }

    protected function _addListItem($list = null, $template = 'list.tpl')
    {
        $this->list->viewAlias = Qs_SiteMap::find(null, array('type' => 'News_'), array('type' => 'default'), 'fullAlias');
        return parent::_addListItem($list, $this->_listTemplate);
    }

    protected function _doView()
    {
        $item = $this->dataObj->getData();

        $this->doc->addItemCrumb(array('title' => $item['title']));

        $item['tpl'] = $this->getTemplate('view.tpl');
        $item['backUrl'] = $this->_getBackUrl(CURRENT_PAGE_FINAL);
        if ($item['backUrl'] == '') {
            $item['backUrl'] = CURRENT_PAGE_FINAL;
        }
        $this->_addItem($item);
    }

    protected function _addItem($item)
    {
        parent::_addItem($item);
    }

    protected function _getBackUrl($sessionName = null)
    {
        if (is_null($sessionName)){
            $sessionName = CURRENT_PAGE;
        }
        $session = new Qs_Session_Namespace($sessionName);
        if (isset($session->backUrl)) {
            return $session->backUrl;
        }
        return '';
    }

    public function fillConfigForm($form)
    {
        $form->addElement(
            'select',
            'type',
            array(
                'label'        => 'Block Type',
                'multiOptions' => array('default' => 'Default', 'small' => 'Small')
            )
        );
        return $this;
    }

    public function writeXmlSitemap($xml)
    {
        if ('default' != $this->getConfig('type', 'default')) {
            return $this;
        }
        $stmt = $this->dataObj->getListStatement4XmlSitemap();

        $pageUrl = ('y' == $this->doc->getOption('isSecure')) ? BASE_URL_HTTPS : BASE_URL_HTTP;
        $pageUrl .= '/' . $this->doc->getOption('fullAlias');

        while ($item = $stmt->fetch()) {
            $xml->writeUrl($pageUrl . '/' . $item['id']);
        }
        return $this;
    }
}