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AbstractCursorPaginator...	14.886KB	edt ren
AbstractPaginator.php	16.539KB	edt ren
Cursor.php	3.154KB	edt ren
CursorPaginator.php	4.443KB	edt ren
LICENSE.md	1.05KB	edt ren
LengthAwarePaginator.php	6.038KB	edt ren
PaginationServiceProvid...	0.723KB	edt ren
PaginationState.php	1.011KB	edt ren
Paginator.php	4.271KB	edt ren
UrlWindow.php	5.606KB	edt ren
composer.json	0.879KB	edt ren

<?php

namespace Illuminate\Pagination;

use Closure;
use Illuminate\Contracts\Support\Htmlable;
use Illuminate\Support\Arr;
use Illuminate\Support\Collection;
use Illuminate\Support\Traits\ForwardsCalls;
use Illuminate\Support\Traits\Tappable;
use Traversable;

/**
 * @mixin \Illuminate\Support\Collection
 */
abstract class AbstractPaginator implements Htmlable
{
    use ForwardsCalls, Tappable;

/**
     * All of the items being paginated.
     *
     * @var \Illuminate\Support\Collection
     */
    protected $items;

/**
     * The number of items to be shown per page.
     *
     * @var int
     */
    protected $perPage;

/**
     * The current page being "viewed".
     *
     * @var int
     */
    protected $currentPage;

/**
     * The base path to assign to all URLs.
     *
     * @var string
     */
    protected $path = '/';

/**
     * The query parameters to add to all URLs.
     *
     * @var array
     */
    protected $query = [];

/**
     * The URL fragment to add to all URLs.
     *
     * @var string|null
     */
    protected $fragment;

/**
     * The query string variable used to store the page.
     *
     * @var string
     */
    protected $pageName = 'page';

/**
     * The number of links to display on each side of current page link.
     *
     * @var int
     */
    public $onEachSide = 3;

/**
     * The paginator options.
     *
     * @var array
     */
    protected $options;

/**
     * The current path resolver callback.
     *
     * @var \Closure
     */
    protected static $currentPathResolver;

/**
     * The current page resolver callback.
     *
     * @var \Closure
     */
    protected static $currentPageResolver;

/**
     * The query string resolver callback.
     *
     * @var \Closure
     */
    protected static $queryStringResolver;

/**
     * The view factory resolver callback.
     *
     * @var \Closure
     */
    protected static $viewFactoryResolver;

/**
     * The default pagination view.
     *
     * @var string
     */
    public static $defaultView = 'pagination::tailwind';

/**
     * The default "simple" pagination view.
     *
     * @var string
     */
    public static $defaultSimpleView = 'pagination::simple-tailwind';

/**
     * Determine if the given value is a valid page number.
     *
     * @param  int  $page
     * @return bool
     */
    protected function isValidPageNumber($page)
    {
        return $page >= 1 && filter_var($page, FILTER_VALIDATE_INT) !== false;
    }

/**
     * Get the URL for the previous page.
     *
     * @return string|null
     */
    public function previousPageUrl()
    {
        if ($this->currentPage() > 1) {
            return $this->url($this->currentPage() - 1);
        }
    }

/**
     * Create a range of pagination URLs.
     *
     * @param  int  $start
     * @param  int  $end
     * @return array
     */
    public function getUrlRange($start, $end)
    {
        return collect(range($start, $end))->mapWithKeys(function ($page) {
            return [$page => $this->url($page)];
        })->all();
    }

/**
     * Get the URL for a given page number.
     *
     * @param  int  $page
     * @return string
     */
    public function url($page)
    {
        if ($page <= 0) {
            $page = 1;
        }

// If we have any extra query string key / value pairs that need to be added
        // onto the URL, we will put them in query string form and then attach it
        // to the URL. This allows for extra information like sortings storage.
        $parameters = [$this->pageName => $page];

if (count($this->query) > 0) {
            $parameters = array_merge($this->query, $parameters);
        }

return $this->path()
                        .(str_contains($this->path(), '?') ? '&' : '?')
                        .Arr::query($parameters)
                        .$this->buildFragment();
    }

/**
     * Get / set the URL fragment to be appended to URLs.
     *
     * @param  string|null  $fragment
     * @return $this|string|null
     */
    public function fragment($fragment = null)
    {
        if (is_null($fragment)) {
            return $this->fragment;
        }

$this->fragment = $fragment;

return $this;
    }

/**
     * Add a set of query string values to the paginator.
     *
     * @param  array|string|null  $key
     * @param  string|null  $value
     * @return $this
     */
    public function appends($key, $value = null)
    {
        if (is_null($key)) {
            return $this;
        }

if (is_array($key)) {
            return $this->appendArray($key);
        }

return $this->addQuery($key, $value);
    }

/**
     * Add an array of query string values.
     *
     * @param  array  $keys
     * @return $this
     */
    protected function appendArray(array $keys)
    {
        foreach ($keys as $key => $value) {
            $this->addQuery($key, $value);
        }

return $this;
    }

/**
     * Add all current query string values to the paginator.
     *
     * @return $this
     */
    public function withQueryString()
    {
        if (isset(static::$queryStringResolver)) {
            return $this->appends(call_user_func(static::$queryStringResolver));
        }

return $this;
    }

/**
     * Add a query string value to the paginator.
     *
     * @param  string  $key
     * @param  string  $value
     * @return $this
     */
    protected function addQuery($key, $value)
    {
        if ($key !== $this->pageName) {
            $this->query[$key] = $value;
        }

return $this;
    }

/**
     * Build the full fragment portion of a URL.
     *
     * @return string
     */
    protected function buildFragment()
    {
        return $this->fragment ? '#'.$this->fragment : '';
    }

/**
     * Load a set of relationships onto the mixed relationship collection.
     *
     * @param  string  $relation
     * @param  array  $relations
     * @return $this
     */
    public function loadMorph($relation, $relations)
    {
        $this->getCollection()->loadMorph($relation, $relations);

return $this;
    }

/**
     * Load a set of relationship counts onto the mixed relationship collection.
     *
     * @param  string  $relation
     * @param  array  $relations
     * @return $this
     */
    public function loadMorphCount($relation, $relations)
    {
        $this->getCollection()->loadMorphCount($relation, $relations);

return $this;
    }

/**
     * Get the slice of items being paginated.
     *
     * @return array
     */
    public function items()
    {
        return $this->items->all();
    }

/**
     * Get the number of the first item in the slice.
     *
     * @return int|null
     */
    public function firstItem()
    {
        return count($this->items) > 0 ? ($this->currentPage - 1) * $this->perPage + 1 : null;
    }

/**
     * Get the number of the last item in the slice.
     *
     * @return int|null
     */
    public function lastItem()
    {
        return count($this->items) > 0 ? $this->firstItem() + $this->count() - 1 : null;
    }

/**
     * Transform each item in the slice of items using a callback.
     *
     * @param  callable  $callback
     * @return $this
     */
    public function through(callable $callback)
    {
        $this->items->transform($callback);

return $this;
    }

/**
     * Get the number of items shown per page.
     *
     * @return int
     */
    public function perPage()
    {
        return $this->perPage;
    }

/**
     * Determine if there are enough items to split into multiple pages.
     *
     * @return bool
     */
    public function hasPages()
    {
        return $this->currentPage() != 1 || $this->hasMorePages();
    }

/**
     * Determine if the paginator is on the first page.
     *
     * @return bool
     */
    public function onFirstPage()
    {
        return $this->currentPage() <= 1;
    }

/**
     * Determine if the paginator is on the last page.
     *
     * @return bool
     */
    public function onLastPage()
    {
        return ! $this->hasMorePages();
    }

/**
     * Get the current page.
     *
     * @return int
     */
    public function currentPage()
    {
        return $this->currentPage;
    }

/**
     * Get the query string variable used to store the page.
     *
     * @return string
     */
    public function getPageName()
    {
        return $this->pageName;
    }

/**
     * Set the query string variable used to store the page.
     *
     * @param  string  $name
     * @return $this
     */
    public function setPageName($name)
    {
        $this->pageName = $name;

return $this;
    }

/**
     * Set the base path to assign to all URLs.
     *
     * @param  string  $path
     * @return $this
     */
    public function withPath($path)
    {
        return $this->setPath($path);
    }

/**
     * Set the base path to assign to all URLs.
     *
     * @param  string  $path
     * @return $this
     */
    public function setPath($path)
    {
        $this->path = $path;

return $this;
    }

/**
     * Set the number of links to display on each side of current page link.
     *
     * @param  int  $count
     * @return $this
     */
    public function onEachSide($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();
    }
}

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