<?php
/**
 * WebGears Topics
 *
 * @category	WebGears
 * @package		Topics
 * @copyright	2008-2010 Moocom Corporation
 * @version		3.0.0
 * @since		File available since Release 1.0.0
 */
require_once 'component.ini.php';

// Get Datasource Instance.
$ds = $webgears->getDatasource('File', $columns);
$count = $ds->getCount();
$view->assign('count', $count);

// Fetch Specified Topic(s).
$page = getRequest('p', 1);
$num  = getRequest('n', $webgears->getConfig('ListRowNum'));
if ($num == 0) {
    $num = 10000;
}
$pages = ($num > 0) ? ceil($count / $num) : 0;

$id = getRequest('id');
if (!is_null($id)) {
    $page = $ds->getPageById($id, $num);
}
$view->assign('page',  $page);
$view->assign('num',   $num);
$view->assign('pages', $pages);
$view->assign('start', ($page - 1) * $num + 1);
$view->assign('end',   min($page * $num, $count));

if ($num > 0) {
    $items = array();
    if ($count > 0) {
        $items = $ds->fetchAll($page, $num);
        if (is_null($id)) {
            $id = $items[0]['Id'];
        }

        foreach ($items as &$item) {
            foreach ($imageColumns as $imageColumn) {
                $item[$imageColumn] = str_replace(WEBGEARS_TOPICS_IMAGE_TAG, $webgears->getUrl() . "/images", $item[$imageColumn]);
            }
        }
        $prev = ($page == 1) ? null : $page - 1;
        $next = ($page == $pages) ? null : $page + 1;
        $view->assign('prev', $prev);
        $view->assign('next', $next);
    }
    $view->assign('items', $items);
}

if (!empty($_SERVER['HTTP_X_REQUESTED_WITH'])
    && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest') {

    $view->display('list.tpl');
    return;
}

// Show View.
if (!$view->templateExists($templateFile)) {
    header("HTTP/1.0 404 Not Found");
    echo("Page Not Found.");
    exit;
}
$view->display($templateFile);