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<?php
class HTMLTableParameters
{
private $filter_capture_regex;
private $arg_id;
private $parameters;
private $url_parameters;
private $current_page_number = 1;
private $nb_items_per_page = 0;
private $sorting_rule;
private $filters = array();
private $model;
private $rows;
private $builder;
public function __construct(HTMLTableModel $model)
{
$this->model = $model;
$this->arg_id = $this->model->get_id();
$this->url_parameters = new UrlSerializedParameter($this->arg_id);
$this->compute_request_parameters();
}
public function get_page_number()
{
return $this->current_page_number;
}
public function get_nb_items_per_page()
{
return $this->nb_items_per_page;
}
public function get_sorting_rule()
{
return $this->sorting_rule;
}
public function get_filters()
{
return $this->filters;
}
public function get_pagination_url($page_number)
{
return $this->url_parameters->get_url(array('page' => $page_number));
}
public function get_nb_items_per_page_url($nb_items, $current_item_index)
{
$page = $this->compute_first_row_new_page($nb_items, $current_item_index);
return $this->url_parameters->get_url(array('items' => $nb_items, 'page' => $page));
}
public function get_default_table_url()
{
$default_options = array();
$params_to_remove = array('page', 'sort', 'filters', 'items');
return $this->url_parameters->get_url($default_options, $params_to_remove);
}
public function get_ascending_sort_url($sort_identifier)
{
return $this->url_parameters->get_url(array('sort' => HTMLTableSortingRule::ASC . $sort_identifier), array('page'));
}
public function get_descending_sort_url($sort_identifier)
{
return $this->url_parameters->get_url(array('sort' => HTMLTableSortingRule::DESC . $sort_identifier), array('page'));
}
public function get_js_submit_url()
{
$default_options = array();
$params_to_remove = array('page', 'filters', 'sort');
return $this->url_parameters->get_url($default_options, $params_to_remove);
}
private function compute_request_parameters()
{
$this->parameters = $this->url_parameters->get_parameters();
$this->compute_page_number();
$this->compute_nb_items_per_page();
$this->compute_sorting_rule();
$this->compute_filters();
}
private function compute_page_number()
{
if (isset($this->parameters['page']))
{
$page = $this->parameters['page'];
if (is_numeric($page))
{
$page = NumberHelper::numeric($page);
if (is_int($page) && $page >= 1)
{
$this->current_page_number = $page;
}
}
}
}
private function compute_nb_items_per_page()
{
if (isset($this->parameters['items']))
{
$items_per_page = $this->parameters['items'];
if (is_numeric($items_per_page))
{
$items_per_page = NumberHelper::numeric($items_per_page);
if (is_int($items_per_page) && $items_per_page > 0)
{
$this->nb_items_per_page = $items_per_page;
}
}
}
}
private function compute_sorting_rule()
{
if (isset($this->parameters['sort']) && is_string($this->parameters['sort']))
{
$regex = '`(' . HTMLTableSortingRule::ASC . '|' . HTMLTableSortingRule::DESC . ')(\w+)`u';
$param = array();
if (preg_match($regex, $this->parameters['sort'], $param))
{
$order_way = $param[1];
if ($order_way != HTMLTableSortingRule::ASC)
{
$order_way = HTMLTableSortingRule::DESC;
}
$sort_parameter = $param[2];
if ($this->model->is_sort_parameter_allowed($sort_parameter))
{
$this->sorting_rule = new HTMLTableSortingRule($sort_parameter, $order_way);
return;
}
}
}
$this->sorting_rule = $this->model->default_sort_rule();
}
private function compute_filters()
{
if (isset($this->parameters['filters']) && is_array($this->parameters['filters']))
{
$filters = $this->parameters['filters'];
foreach ($filters as $id => $value)
{
$this->check_and_add_filter($id, $value);
}
}
}
private function check_and_add_filter($id, $value)
{
if ($this->model->is_filter_allowed($id, $value))
{
$this->filters[] = $this->model->get_filter($id);
}
}
private function compute_first_row_new_page($nb_items, $current_item_index)
{
return ceil(($current_item_index + 1) / $nb_items);
}
}
?>