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<?php |
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namespace Pager; |
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class Pagination { |
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public static $current; |
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protected $queryString; |
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protected static $page; |
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protected static $pageURL; |
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protected static $lastpage; |
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protected static $totalPages; |
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public $pagerClass = 'pagination justify-content-center'; |
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public $liClass = 'page-item'; |
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public $liActiveClass = 'active'; |
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public $aClass = 'page-link'; |
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public $aActiveClass = ''; |
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/** |
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* Sets the class assigned to the UL element of the pagination object |
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* @param string $class This should be the class or classes that you wish to give to the pagination object |
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* @return $this |
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*/ |
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public function setPaginationClass($class) { |
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if ((!empty(trim($class)))) { |
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$this->pagerClass = $class; |
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} |
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return $this; |
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} |
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/** |
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* Returns the class to give to the pagination object |
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* @return string The pagination class will be returned |
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*/ |
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public function getPaginationClass() { |
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return $this->pagerClass; |
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} |
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/** |
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* Sets the default li class |
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* @param string $class This should be the class that you want to all to all li elements |
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* @return $this |
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*/ |
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public function setLiClass($class) { |
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$this->liClass = trim($class); |
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return $this; |
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} |
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/** |
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* Gets the current li class |
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* @return string This should be the class to assign on li elements |
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*/ |
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public function getLiClass() { |
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return $this->liClass; |
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} |
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/** |
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* Sets the active class to assign on the li elements |
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* @param string $class This should be the class to assign on active elements |
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* @return $this |
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*/ |
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public function setLiActiveClass($class) { |
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$this->liActiveClass = trim($class); |
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return $this; |
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} |
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/** |
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* Returns the class to assign to active li elements |
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* @return string This should be the class to assign on active elements |
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*/ |
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public function getLiActiveClass() { |
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return $this->liActiveClass; |
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} |
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/** |
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* Sets the default class on a elements |
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* @param string $class This should be the class to add to a elements |
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* @return $this |
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*/ |
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public function setAClass($class) { |
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$this->aClass = trim($class); |
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return $this; |
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} |
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/** |
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* Returns the class assigned to a elements |
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* @return string Returns the class assigned to a elements |
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*/ |
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public function getAClass() { |
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return $this->aClass; |
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} |
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/** |
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* Sets the class to assign to active a elements |
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* @param string $class This should be the class to add to active a elements |
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* @return $this |
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*/ |
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public function setAActiveClass($class) { |
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$this->aActiveClass = trim($class); |
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return $this; |
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} |
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/** |
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* Returns the class assigned to active a elements |
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* @return string This should be the class to add to active a elements |
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*/ |
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public function getAActiveClass() { |
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return $this->aActiveClass; |
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} |
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/** |
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* Returns paging buttons for the number of records |
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* @param int $records The total number of records |
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* @param string $pageURL The URL of the page you are creating the paging for |
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* @param int $start The start number for the results |
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* @param int $maxshown The number of records that are shown on each page |
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* @param int $numpagesshown The number of pagination buttons to display |
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* @param boolean $arrows If you want arrows to display before and after for next and previous set to true (default) else set to false |
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* @param array $additional Any additional get values to include in the URL |
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* @return string|false Returns the pagination menu if required else will return false |
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*/ |
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public function paging($records, $pageURL, $start = 0, $maxshown = 50, $numpagesshown = 11, $arrows = true, $additional = array()) { |
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self::$pageURL = $pageURL; |
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$this->queryString = $additional; |
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if ($records > $maxshown) { |
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self::$current = $start >= 1 ? intval($start) : 1; |
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self::$totalPages = ceil(intval($records) / ($maxshown >= 1 ? intval($maxshown) : 1)); |
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self::$lastpage = self::$totalPages; |
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$this->getPage($records, $maxshown, $numpagesshown); |
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$paging = '<ul class="'.$this->getPaginationClass().'">'.$this->preLinks($arrows); |
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while (self::$page <= self::$lastpage) { |
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$paging .= $this->buildLink(self::$page, self::$page, (self::$current == self::$page)); |
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self::$page = (self::$page + 1); |
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} |
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return $paging.$this->postLinks($arrows).'</ul>'; |
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} |
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return false; |
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} |
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/** |
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* Build a link item with the given values |
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* @param string $link This should be any additional items to be included as part of the link |
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* @param mixed $page This should be the link test on the link normally set as numbers but may be anything like arrows or dots etc |
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* @param boolean $current If this is the current link item set this as true so the class is added to the link item |
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* @return string This will return the paging item as a string |
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*/ |
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protected function buildLink($link, $page, $current = false) { |
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return '<li'.(!empty($this->getLiClass()) || ($current === true && !empty($this->getLiActiveClass())) ? ' class="'.trim($this->getLiClass().(($current === true && !empty($this->getLiActiveClass())) ? ' '.$this->getLiActiveClass() : '').'"') : '').'><a href="'.self::$pageURL.(!empty($this->buildQueryString($link)) ? '?'.$this->buildQueryString($link) : '').'" title="Page '.$page.'"'.(!empty($this->getAClass()) || ($current === true && !empty($this->getAActiveClass())) ? ' class="'.trim($this->getAClass().(($current === true && !empty($this->getAActiveClass())) ? ' '.$this->getAActiveClass() : '')).'"' : '').'>'.$page.'</a></li>'; |
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} |
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/** |
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* Builds the query string to add to the URL |
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* @param mixed $page If the page variable is set to a number will add the page number to the query string else will not add any additional items |
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* @return string The complete string will be returned to add to the link item |
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*/ |
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protected function buildQueryString($page) { |
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$pageInfo = is_numeric($page) ? ['page' => $page] : []; |
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return http_build_query(array_filter(array_merge($pageInfo, $this->queryString)), '', '&'); |
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} |
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/** |
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* Gets the current page |
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* @param int $records The total number of records |
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* @param int $maxshown The number of records that are shown on each page |
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* @param int $numpages The number of pagination buttons to display |
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* return void Nothing is returned |
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*/ |
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protected function getPage($records, $maxshown, $numpages) { |
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$show = floor($numpages / 2); |
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if (self::$lastpage > $numpages) { |
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self::$page = (self::$current > $show ? (self::$current - $show) : 1); |
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if (self::$current < (self::$lastpage - $show)) { |
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self::$lastpage = ((self::$current <= $show) ? (self::$current + ($numpages - self::$current)) : (self::$current + $show)); |
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} |
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else { self::$page = self::$current - ($numpages - ((ceil(intval($records) / ($maxshown >= 1 ? intval($maxshown) : 1)) - self::$current)) - 1); } |
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} |
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else { self::$page = 1; } |
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} |
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/** |
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* Returns the previous arrows as long as arrows is set to true and the page is not the first page |
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* @param boolean $arrows If you want to display previous arrows set to true else set to false |
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* @return string Any previous link arrows will be returned as a string |
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*/ |
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protected function preLinks($arrows = true) { |
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$paging = ''; |
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if (self::$current != 1 && $arrows) { |
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if (self::$current != 2) { $paging .= $this->buildLink('', '«'); } |
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$paging .= $this->buildLink((self::$current - 1), '<'); |
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} |
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return $paging; |
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} |
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/** |
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* Returns the next arrows as long as arrows is set to true and the page is not the last page |
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* @param boolean $arrows If you want to display next arrows set to true else set to false |
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* @return string Any next link arrows will be returned as a string |
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*/ |
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protected function postLinks($arrows = true) { |
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$paging = ''; |
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if (self::$current != self::$totalPages && $arrows) { |
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$paging .= $this->buildLink((self::$current + 1), '>'); |
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if (self::$current != (self::$totalPages - 1)) { $paging .= $this->buildLink(self::$totalPages, '»'); } |
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} |
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return $paging; |
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} |
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} |
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AdamB7586 /
pagination
