798 lines
16 KiB
PHP
798 lines
16 KiB
PHP
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<?php
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namespace Illuminate\Pagination;
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use Closure;
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use Illuminate\Contracts\Support\Htmlable;
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use Illuminate\Support\Arr;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Traits\ForwardsCalls;
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use Illuminate\Support\Traits\Tappable;
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use Traversable;
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/**
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* @mixin \Illuminate\Support\Collection
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*/
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abstract class AbstractPaginator implements Htmlable
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{
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use ForwardsCalls, Tappable;
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/**
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* All of the items being paginated.
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*
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* @var \Illuminate\Support\Collection
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*/
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protected $items;
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/**
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* The number of items to be shown per page.
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*
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* @var int
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*/
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protected $perPage;
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/**
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* The current page being "viewed".
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*
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* @var int
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*/
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protected $currentPage;
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/**
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* The base path to assign to all URLs.
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*
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* @var string
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*/
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protected $path = '/';
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/**
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* The query parameters to add to all URLs.
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*
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* @var array
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*/
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protected $query = [];
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/**
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* The URL fragment to add to all URLs.
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*
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* @var string|null
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*/
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protected $fragment;
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/**
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* The query string variable used to store the page.
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*
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* @var string
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*/
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protected $pageName = 'page';
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/**
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* The number of links to display on each side of current page link.
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*
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* @var int
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*/
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public $onEachSide = 3;
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/**
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* The paginator options.
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*
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* @var array
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*/
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protected $options;
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/**
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* The current path resolver callback.
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*
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* @var \Closure
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*/
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protected static $currentPathResolver;
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/**
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* The current page resolver callback.
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*
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* @var \Closure
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*/
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protected static $currentPageResolver;
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/**
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* The query string resolver callback.
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*
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* @var \Closure
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*/
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protected static $queryStringResolver;
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/**
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* The view factory resolver callback.
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*
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* @var \Closure
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*/
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protected static $viewFactoryResolver;
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/**
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* The default pagination view.
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*
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* @var string
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*/
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public static $defaultView = 'pagination::tailwind';
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/**
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* The default "simple" pagination view.
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*
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* @var string
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*/
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public static $defaultSimpleView = 'pagination::simple-tailwind';
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/**
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* Determine if the given value is a valid page number.
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*
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* @param int $page
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* @return bool
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*/
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protected function isValidPageNumber($page)
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{
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return $page >= 1 && filter_var($page, FILTER_VALIDATE_INT) !== false;
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}
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/**
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* Get the URL for the previous page.
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*
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* @return string|null
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*/
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public function previousPageUrl()
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{
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if ($this->currentPage() > 1) {
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return $this->url($this->currentPage() - 1);
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}
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}
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/**
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* Create a range of pagination URLs.
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*
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* @param int $start
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* @param int $end
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* @return array
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*/
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public function getUrlRange($start, $end)
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{
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return collect(range($start, $end))->mapWithKeys(function ($page) {
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return [$page => $this->url($page)];
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})->all();
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}
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/**
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* Get the URL for a given page number.
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*
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* @param int $page
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* @return string
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*/
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public function url($page)
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{
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if ($page <= 0) {
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$page = 1;
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}
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// If we have any extra query string key / value pairs that need to be added
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// onto the URL, we will put them in query string form and then attach it
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// to the URL. This allows for extra information like sortings storage.
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$parameters = [$this->pageName => $page];
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if (count($this->query) > 0) {
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$parameters = array_merge($this->query, $parameters);
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}
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return $this->path()
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.(str_contains($this->path(), '?') ? '&' : '?')
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.Arr::query($parameters)
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.$this->buildFragment();
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}
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/**
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* Get / set the URL fragment to be appended to URLs.
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*
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* @param string|null $fragment
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* @return $this|string|null
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*/
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public function fragment($fragment = null)
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{
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if (is_null($fragment)) {
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return $this->fragment;
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}
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$this->fragment = $fragment;
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return $this;
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}
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/**
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* Add a set of query string values to the paginator.
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*
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* @param array|string|null $key
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* @param string|null $value
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* @return $this
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*/
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public function appends($key, $value = null)
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{
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if (is_null($key)) {
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return $this;
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}
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if (is_array($key)) {
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return $this->appendArray($key);
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}
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return $this->addQuery($key, $value);
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}
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/**
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* Add an array of query string values.
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*
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* @param array $keys
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* @return $this
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*/
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protected function appendArray(array $keys)
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{
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foreach ($keys as $key => $value) {
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$this->addQuery($key, $value);
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}
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return $this;
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}
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/**
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* Add all current query string values to the paginator.
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*
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* @return $this
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*/
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public function withQueryString()
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{
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if (isset(static::$queryStringResolver)) {
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return $this->appends(call_user_func(static::$queryStringResolver));
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}
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return $this;
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}
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/**
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* Add a query string value to the paginator.
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*
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* @param string $key
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* @param string $value
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* @return $this
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*/
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protected function addQuery($key, $value)
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{
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if ($key !== $this->pageName) {
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$this->query[$key] = $value;
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}
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return $this;
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}
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/**
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* Build the full fragment portion of a URL.
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*
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* @return string
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*/
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protected function buildFragment()
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{
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return $this->fragment ? '#'.$this->fragment : '';
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}
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/**
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* Load a set of relationships onto the mixed relationship collection.
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*
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* @param string $relation
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* @param array $relations
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* @return $this
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*/
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public function loadMorph($relation, $relations)
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{
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$this->getCollection()->loadMorph($relation, $relations);
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return $this;
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}
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/**
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* Load a set of relationship counts onto the mixed relationship collection.
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*
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* @param string $relation
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* @param array $relations
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* @return $this
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*/
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public function loadMorphCount($relation, $relations)
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{
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$this->getCollection()->loadMorphCount($relation, $relations);
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return $this;
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}
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/**
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* Get the slice of items being paginated.
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*
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* @return array
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*/
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public function items()
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{
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return $this->items->all();
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}
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/**
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* Get the number of the first item in the slice.
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*
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* @return int
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*/
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public function firstItem()
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{
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return count($this->items) > 0 ? ($this->currentPage - 1) * $this->perPage + 1 : null;
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}
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/**
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* Get the number of the last item in the slice.
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*
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* @return int
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*/
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public function lastItem()
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{
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return count($this->items) > 0 ? $this->firstItem() + $this->count() - 1 : null;
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}
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/**
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* Transform each item in the slice of items using a callback.
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*
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* @param callable $callback
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* @return $this
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*/
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public function through(callable $callback)
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{
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$this->items->transform($callback);
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return $this;
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}
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/**
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* Get the number of items shown per page.
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*
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* @return int
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*/
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public function perPage()
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{
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return $this->perPage;
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}
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/**
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* Determine if there are enough items to split into multiple pages.
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*
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* @return bool
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*/
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public function hasPages()
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{
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return $this->currentPage() != 1 || $this->hasMorePages();
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}
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/**
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* Determine if the paginator is on the first page.
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*
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* @return bool
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*/
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public function onFirstPage()
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{
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return $this->currentPage() <= 1;
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}
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/**
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* Determine if the paginator is on the last page.
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*
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* @return bool
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*/
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public function onLastPage()
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{
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return ! $this->hasMorePages();
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}
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/**
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* Get the current page.
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*
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* @return int
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*/
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public function currentPage()
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{
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return $this->currentPage;
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}
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/**
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* Get the query string variable used to store the page.
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*
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* @return string
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*/
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public function getPageName()
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{
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return $this->pageName;
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}
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/**
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* Set the query string variable used to store the page.
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*
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* @param string $name
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* @return $this
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*/
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public function setPageName($name)
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{
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$this->pageName = $name;
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return $this;
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}
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/**
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* Set the base path to assign to all URLs.
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*
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* @param string $path
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* @return $this
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*/
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public function withPath($path)
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{
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return $this->setPath($path);
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}
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/**
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* Set the base path to assign to all URLs.
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*
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* @param string $path
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* @return $this
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*/
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public function setPath($path)
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{
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$this->path = $path;
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return $this;
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}
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/**
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* Set the number of links to display on each side of current page link.
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*
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* @param int $count
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* @return $this
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||
|
|
*/
|
||
|
|
public function onEachSide($count)
|
||
|
|
{
|
||
|
|
$this->onEachSide = $count;
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the base path for paginator generated URLs.
|
||
|
|
*
|
||
|
|
* @return string|null
|
||
|
|
*/
|
||
|
|
public function path()
|
||
|
|
{
|
||
|
|
return $this->path;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resolve the current request path or return the default value.
|
||
|
|
*
|
||
|
|
* @param string $default
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function resolveCurrentPath($default = '/')
|
||
|
|
{
|
||
|
|
if (isset(static::$currentPathResolver)) {
|
||
|
|
return call_user_func(static::$currentPathResolver);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $default;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the current request path resolver callback.
|
||
|
|
*
|
||
|
|
* @param \Closure $resolver
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function currentPathResolver(Closure $resolver)
|
||
|
|
{
|
||
|
|
static::$currentPathResolver = $resolver;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resolve the current page or return the default value.
|
||
|
|
*
|
||
|
|
* @param string $pageName
|
||
|
|
* @param int $default
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public static function resolveCurrentPage($pageName = 'page', $default = 1)
|
||
|
|
{
|
||
|
|
if (isset(static::$currentPageResolver)) {
|
||
|
|
return (int) call_user_func(static::$currentPageResolver, $pageName);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $default;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the current page resolver callback.
|
||
|
|
*
|
||
|
|
* @param \Closure $resolver
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function currentPageResolver(Closure $resolver)
|
||
|
|
{
|
||
|
|
static::$currentPageResolver = $resolver;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resolve the query string or return the default value.
|
||
|
|
*
|
||
|
|
* @param string|array|null $default
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public static function resolveQueryString($default = null)
|
||
|
|
{
|
||
|
|
if (isset(static::$queryStringResolver)) {
|
||
|
|
return (static::$queryStringResolver)();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $default;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set with query string resolver callback.
|
||
|
|
*
|
||
|
|
* @param \Closure $resolver
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function queryStringResolver(Closure $resolver)
|
||
|
|
{
|
||
|
|
static::$queryStringResolver = $resolver;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get an instance of the view factory from the resolver.
|
||
|
|
*
|
||
|
|
* @return \Illuminate\Contracts\View\Factory
|
||
|
|
*/
|
||
|
|
public static function viewFactory()
|
||
|
|
{
|
||
|
|
return call_user_func(static::$viewFactoryResolver);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the view factory resolver callback.
|
||
|
|
*
|
||
|
|
* @param \Closure $resolver
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function viewFactoryResolver(Closure $resolver)
|
||
|
|
{
|
||
|
|
static::$viewFactoryResolver = $resolver;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the default pagination view.
|
||
|
|
*
|
||
|
|
* @param string $view
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function defaultView($view)
|
||
|
|
{
|
||
|
|
static::$defaultView = $view;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the default "simple" pagination view.
|
||
|
|
*
|
||
|
|
* @param string $view
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function defaultSimpleView($view)
|
||
|
|
{
|
||
|
|
static::$defaultSimpleView = $view;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Indicate that Tailwind styling should be used for generated links.
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function useTailwind()
|
||
|
|
{
|
||
|
|
static::defaultView('pagination::tailwind');
|
||
|
|
static::defaultSimpleView('pagination::simple-tailwind');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Indicate that Bootstrap 4 styling should be used for generated links.
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function useBootstrap()
|
||
|
|
{
|
||
|
|
static::useBootstrapFour();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Indicate that Bootstrap 3 styling should be used for generated links.
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function useBootstrapThree()
|
||
|
|
{
|
||
|
|
static::defaultView('pagination::default');
|
||
|
|
static::defaultSimpleView('pagination::simple-default');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Indicate that Bootstrap 4 styling should be used for generated links.
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function useBootstrapFour()
|
||
|
|
{
|
||
|
|
static::defaultView('pagination::bootstrap-4');
|
||
|
|
static::defaultSimpleView('pagination::simple-bootstrap-4');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Indicate that Bootstrap 5 styling should be used for generated links.
|
||
|
|
*
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public static function useBootstrapFive()
|
||
|
|
{
|
||
|
|
static::defaultView('pagination::bootstrap-5');
|
||
|
|
static::defaultSimpleView('pagination::simple-bootstrap-5');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get an iterator for the items.
|
||
|
|
*
|
||
|
|
* @return \ArrayIterator
|
||
|
|
*/
|
||
|
|
public function getIterator(): Traversable
|
||
|
|
{
|
||
|
|
return $this->items->getIterator();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Determine if the list of items is empty.
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function isEmpty()
|
||
|
|
{
|
||
|
|
return $this->items->isEmpty();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Determine if the list of items is not empty.
|
||
|
|
*
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function isNotEmpty()
|
||
|
|
{
|
||
|
|
return $this->items->isNotEmpty();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the number of items for the current page.
|
||
|
|
*
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function count(): int
|
||
|
|
{
|
||
|
|
return $this->items->count();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the paginator's underlying collection.
|
||
|
|
*
|
||
|
|
* @return \Illuminate\Support\Collection
|
||
|
|
*/
|
||
|
|
public function getCollection()
|
||
|
|
{
|
||
|
|
return $this->items;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the paginator's underlying collection.
|
||
|
|
*
|
||
|
|
* @param \Illuminate\Support\Collection $collection
|
||
|
|
* @return $this
|
||
|
|
*/
|
||
|
|
public function setCollection(Collection $collection)
|
||
|
|
{
|
||
|
|
$this->items = $collection;
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the paginator options.
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
public function getOptions()
|
||
|
|
{
|
||
|
|
return $this->options;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Determine if the given item exists.
|
||
|
|
*
|
||
|
|
* @param mixed $key
|
||
|
|
* @return bool
|
||
|
|
*/
|
||
|
|
public function offsetExists($key): bool
|
||
|
|
{
|
||
|
|
return $this->items->has($key);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get the item at the given offset.
|
||
|
|
*
|
||
|
|
* @param mixed $key
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
public function offsetGet($key): mixed
|
||
|
|
{
|
||
|
|
return $this->items->get($key);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set the item at the given offset.
|
||
|
|
*
|
||
|
|
* @param mixed $key
|
||
|
|
* @param mixed $value
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function offsetSet($key, $value): void
|
||
|
|
{
|
||
|
|
$this->items->put($key, $value);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Unset the item at the given key.
|
||
|
|
*
|
||
|
|
* @param mixed $key
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function offsetUnset($key): void
|
||
|
|
{
|
||
|
|
$this->items->forget($key);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Render the contents of the paginator to HTML.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function toHtml()
|
||
|
|
{
|
||
|
|
return (string) $this->render();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Make dynamic calls into the collection.
|
||
|
|
*
|
||
|
|
* @param string $method
|
||
|
|
* @param array $parameters
|
||
|
|
* @return mixed
|
||
|
|
*/
|
||
|
|
public function __call($method, $parameters)
|
||
|
|
{
|
||
|
|
return $this->forwardCallTo($this->getCollection(), $method, $parameters);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Render the contents of the paginator when casting to a string.
|
||
|
|
*
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
public function __toString()
|
||
|
|
{
|
||
|
|
return (string) $this->render();
|
||
|
|
}
|
||
|
|
}
|