/**
* Sets the necessary parameter values in the view.
*
* @param \Aimeos\MW\View\Iface $view The view object which generates the HTML output
* @param array &$tags Result array for the list of tags that are associated to the output
* @param string|null &$expire Result variable for the expiration date of the output (null for no expiry)
* @return \Aimeos\MW\View\Iface Modified view object
*/
protected function setViewParams(\Aimeos\MW\View\Iface $view, array &$tags = array(), &$expire = null)
{
if (!isset($this->view)) {
if (($pos = $view->param('l_pos')) !== null && ($pid = $view->param('d_prodid')) !== null) {
if ($pos < 1) {
$start = 0;
$size = 2;
} else {
$start = $pos - 1;
$size = 3;
}
$context = $this->getContext();
$site = $context->getLocale()->getSite()->getCode();
$params = $context->getSession()->get('aimeos/catalog/lists/params/last/' . $site, array());
$filter = $this->getProductListFilterByParam($params);
$filter->setSlice($start, $size);
$total = null;
$controller = \Aimeos\Controller\Frontend\Factory::createController($context, 'catalog');
$products = $controller->getIndexItems($filter, array('text'), $total);
if (($count = count($products)) > 1) {
$enc = $view->encoder();
$listPos = array_search($pid, array_keys($products));
$target = $view->config('client/html/catalog/detail/url/target');
$controller = $view->config('client/html/catalog/detail/url/controller', 'catalog');
$action = $view->config('client/html/catalog/detail/url/action', 'detail');
$config = $view->config('client/html/catalog/detail/url/config', array());
if ($listPos > 0 && ($product = reset($products)) !== false) {
$param = array('d_prodid' => $product->getId(), 'd_name' => $enc->url($product->getName('url ')), 'l_pos' => $pos - 1);
$view->navigationPrev = $view->url($target, $controller, $action, $param, array(), $config);
}
if ($listPos < $count - 1 && ($product = end($products)) !== false) {
$param = array('d_prodid' => $product->getId(), 'd_name' => $enc->url($product->getName('url')), 'l_pos' => $pos + 1);
$view->navigationNext = $view->url($target, $controller, $action, $param, array(), $config);
}
}
}
$this->view = $view;
}
return $this->view;
}