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<?php

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/**

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* Class WPML_Admin_Pagination

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* @author OnTheGoSystems

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class WPML_Admin_Pagination {

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/** @var int $items_per_page */

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private $items_per_page;

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/** @var int $total_items */

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private $total_items;

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/** @var int $current_page */

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private $current_page;

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/** @var string $current_url */

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private $current_url;

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/** @var string */

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private $page_param_name = 'paged';

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/**

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* @param string $page_param_name

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public function set_page_param_name( $page_param_name ) {

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$this->page_param_name = $page_param_name;

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}

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/**

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* @return string

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public function get_page_param_name() {

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return $this->page_param_name;

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}

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/**

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* @param int $items_per_page

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public function set_items_per_page( $items_per_page ) {

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$this->items_per_page = (int) $items_per_page;

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}

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/**

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* @return int

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public function get_items_per_page() {

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return $this->items_per_page;

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}

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/**

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* @param int $total_items

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public function set_total_items( $total_items ) {

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$this->total_items = (int) $total_items;

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}

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/**

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* @return int

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public function get_total_items() {

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return $this->total_items;

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}

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/**

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* @return int

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public function get_total_pages() {

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return ceil( $this->get_total_items() / $this->get_items_per_page() );

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}

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/**

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* @param int $page

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public function set_current_page( $page ) {

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$this->current_page = (int) $page;

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}

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/**

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* @return int

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public function get_current_page() {

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return $this->current_page;

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}

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/**

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* @return null|string

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public function get_first_page_url() {

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$url = null;

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if ( 2 < $this->get_current_page() ) {

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$url = remove_query_arg( $this->page_param_name, $this->get_current_url() );

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}

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return $url;

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}

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/**

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* @return null|string

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public function get_previous_page_url() {

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$url = null;

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if ( 1 < $this->get_current_page() ) {

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$url = add_query_arg( $this->page_param_name, $this->get_current_page() - 1, $this->get_current_url() );

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}

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return $url;

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}

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/**

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* @return null|string

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public function get_next_page_url() {

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$url = null;

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if ( $this->get_current_page() < $this->get_total_pages() ) {

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$url = add_query_arg( $this->page_param_name, $this->get_current_page() + 1, $this->get_current_url() );

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}

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return $url;

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}

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/**

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* @return null|string

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public function get_last_page_url() {

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$url = null;

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if ( $this->get_current_page() < $this->get_total_pages() - 1 ) {

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$url = add_query_arg( $this->page_param_name, $this->get_total_pages(), $this->get_current_url() );

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}

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return $url;

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}

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/**

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* @return string

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private function get_current_url() {

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if ( ! $this->current_url ) {

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$removable_query_args = wp_removable_query_args();

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$this->current_url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );

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$this->current_url = remove_query_arg( $removable_query_args, $this->current_url );

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}

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return $this->current_url;

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}

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}

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