Files
FreshRSS/lib/Minz/Paginator.php
Alexandre Alapetite c8d2ead763 Fix logs pagination (#5403)
* Fix logs pagination
Regression from https://github.com/FreshRSS/FreshRSS/pull/5269

* Add better default
2023-05-15 15:21:17 +02:00

192 lines
4.2 KiB
PHP
Raw Blame History

This file contains ambiguous Unicode characters
This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.
<?php
/**
* MINZ - Copyright 2011 Marien Fressinaud
* Sous licence AGPL3 <http://www.gnu.org/licenses/>
*/
/**
* The Minz_Paginator is used to handle paging
*/
class Minz_Paginator {
/**
* @var array<Minz_Model> tableau des éléments à afficher/gérer
*/
private $items = array ();
/**
* @var int le nombre d'éléments par page
*/
private $nbItemsPerPage = 10;
/**
* @var int page actuelle à gérer
*/
private $currentPage = 1;
/**
* @var int le nombre de pages de pagination
*/
private $nbPage = 1;
/**
* @var int le nombre d'éléments
*/
private $nbItems = 0;
/**
* Constructeur
* @param array<Minz_Model> $items les éléments à gérer
*/
public function __construct(array $items) {
$this->_items($items);
$this->_nbItems(count($this->items(true)));
$this->_nbItemsPerPage($this->nbItemsPerPage);
$this->_currentPage($this->currentPage);
}
/**
* Permet d'afficher la pagination
* @param string $view nom du fichier de vue situé dans /app/views/helpers/
* @param string $getteur variable de type $_GET[] permettant de retrouver la page
*/
public function render(string $view, string $getteur = 'page'): void {
$view = APP_PATH . '/views/helpers/' . $view;
if (file_exists($view)) {
include($view);
}
}
/**
* Permet de retrouver la page d'un élément donné
* @param Minz_Model $item l'élément à retrouver
* @return int|false la page à laquelle se trouve lélément, false si non trouvé
*/
public function pageByItem($item) {
$i = 0;
do {
if ($item == $this->items[$i]) {
return (int)(ceil(($i + 1) / $this->nbItemsPerPage));
}
$i++;
} while ($i < $this->nbItems());
return false;
}
/**
* Search the position (index) of a given element
* @param Minz_Model $item the element to search
* @return int|false the position of the element, or false if not found
*/
public function positionByItem($item) {
$i = 0;
do {
if ($item == $this->items[$i]) {
return $i;
}
$i++;
} while ($i < $this->nbItems ());
return false;
}
/**
* Permet de récupérer un item par sa position
* @param int $pos la position de l'élément
* @return Minz_Model item situé à $pos (dernier item si $pos<0, 1er si $pos>=count($items))
*/
public function itemByPosition(int $pos): Minz_Model {
if ($pos < 0) {
$pos = $this->nbItems () - 1;
}
if ($pos >= count($this->items)) {
$pos = 0;
}
return $this->items[$pos];
}
/**
* GETTEURS
*/
/**
* @param bool $all si à true, retourne tous les éléments sans prendre en compte la pagination
* @return array<Minz_Model>
*/
public function items(bool $all = false): array {
$array = array ();
$nbItems = $this->nbItems ();
if ($nbItems <= $this->nbItemsPerPage || $all) {
$array = $this->items;
} else {
$begin = ($this->currentPage - 1) * $this->nbItemsPerPage;
$counter = 0;
$i = 0;
foreach ($this->items as $key => $item) {
if ($i >= $begin) {
$array[$key] = $item;
$counter++;
}
if ($counter >= $this->nbItemsPerPage) {
break;
}
$i++;
}
}
return $array;
}
public function nbItemsPerPage(): int {
return $this->nbItemsPerPage;
}
public function currentPage(): int {
return $this->currentPage;
}
public function nbPage(): int {
return $this->nbPage;
}
public function nbItems(): int {
return $this->nbItems;
}
/**
* SETTEURS
*/
/** @param array<Minz_Model> $items */
public function _items(?array $items): void {
$this->items = $items ?? [];
$this->_nbPage();
}
public function _nbItemsPerPage(int $nbItemsPerPage): void {
if ($nbItemsPerPage > $this->nbItems ()) {
$nbItemsPerPage = $this->nbItems ();
}
if ($nbItemsPerPage < 0) {
$nbItemsPerPage = 0;
}
$this->nbItemsPerPage = $nbItemsPerPage;
$this->_nbPage();
}
public function _currentPage(int $page): void {
if ($page < 1 || ($page > $this->nbPage && $this->nbPage > 0)) {
throw new Minz_CurrentPagePaginationException($page);
}
$this->currentPage = $page;
}
private function _nbPage(): void {
if ($this->nbItemsPerPage > 0) {
$this->nbPage = (int)ceil($this->nbItems() / $this->nbItemsPerPage);
}
}
public function _nbItems(int $value): void {
$this->nbItems = $value;
}
}