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<?php |
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|
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/** |
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* Base class to manage the static front page and the page for posts |
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* |
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* @since 1.8 |
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*/ |
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abstract class PLL_Static_Pages { |
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public $model, $options; |
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public $page_on_front, $page_for_posts; |
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|
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/** |
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* Constructor: setups filters and actions |
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* |
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* @since 1.8 |
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* |
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* @param object $polylang |
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*/ |
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public function __construct( &$polylang ) { |
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$this->model = &$polylang->model; |
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$this->options = &$polylang->options; |
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$this->curlang = &$polylang->curlang; |
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|
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$this->init(); |
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|
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// Modifies the page link in case the front page is not in the default language |
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add_filter( 'page_link', array( $this, 'page_link' ), 20, 2 ); |
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|
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// Clean the languages cache when editing page of front, page for posts |
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add_action( 'update_option_show_on_front', array( $this->model, 'clean_languages_cache' ) ); |
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add_action( 'update_option_page_on_front', array( $this->model, 'clean_languages_cache' ) ); |
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add_action( 'update_option_page_for_posts', array( $this->model, 'clean_languages_cache' ) ); |
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|
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// Refresh rewrite rules when the page on front is modified |
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add_action( 'update_option_page_on_front', 'flush_rewrite_rules' ); |
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} |
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|
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/** |
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* Stores the page on front and page for posts ids |
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* |
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* @since 1.8 |
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*/ |
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public function init() { |
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if ( 'page' == get_option( 'show_on_front' ) ) { |
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$this->page_on_front = get_option( 'page_on_front' ); |
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$this->page_for_posts = get_option( 'page_for_posts' ); |
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} |
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|
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else { |
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$this->page_on_front = 0; |
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$this->page_for_posts = 0; |
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} |
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} |
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|
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/** |
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* Modifies the page link in case the front page is not in the default language |
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* |
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* @since 0.7.2 |
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* |
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* @param string $link link to the page |
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* @param int $id post id of the page |
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* @return string modified link |
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*/ |
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public function page_link( $link, $id ) { |
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if ( ( $lang = $this->model->post->get_language( $id ) ) && $id == $lang->page_on_front ) { |
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return $lang->home_url; |
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} |
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return $link; |
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} |
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|
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/** |
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* Adds page_on_front and page_for_posts properties to the language objects |
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* |
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* @since 1.8 |
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* |
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* @param array $languages |
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* @param object $model |
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*/ |
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public static function pll_languages_list( $languages, $model ) { |
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if ( 'page' === get_option( 'show_on_front' ) ) { |
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foreach ( $languages as $k => $language ) { |
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$languages[ $k ]->page_on_front = $model->post->get( get_option( 'page_on_front' ), $language ); |
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$languages[ $k ]->page_for_posts = $model->post->get( get_option( 'page_for_posts' ), $language ); |
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} |
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} |
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|
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return $languages; |
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} |
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|
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/** |
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* Translates page for posts |
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* |
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* @since 1.8 |
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* |
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* @param int $v page for posts page id |
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* @return int |
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*/ |
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public function translate_page_for_posts( $v ) { |
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// Don't attempt to translate in a 'switch_blog' action as there is a risk to call this function while initializing the languages cache |
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return isset( $this->curlang->page_for_posts ) && ! doing_action( 'switch_blog' ) ? $this->curlang->page_for_posts : $v; |
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} |
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} |
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