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<?php |
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|
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/** |
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* manages links filters needed on both frontend and admin |
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* |
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* @since 1.8 |
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*/ |
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class PLL_Filters_Links { |
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public $links, $links_model, $model, $options; |
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|
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/** |
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* constructor |
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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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$this->links = &$polylang->links; |
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$this->links_model = &$polylang->links_model; |
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$this->model = &$polylang->model; |
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$this->options = &$polylang->options; |
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|
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// low priority on links filters to come after any other modifications |
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if ( $this->options['force_lang'] ) { |
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add_filter( 'post_link', array( &$this, 'post_link' ), 20, 2 ); |
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add_filter( '_get_page_link', array( &$this, '_get_page_link' ), 20, 2 ); |
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} |
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|
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add_filter( 'post_type_link', array( &$this, 'post_type_link' ), 20, 2 ); |
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add_filter( 'term_link', array( &$this, 'term_link' ), 20, 3 ); |
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|
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if ( $this->options['force_lang'] > 0 ) { |
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add_filter( 'attachment_link', array( &$this, 'attachment_link' ), 20, 2 ); |
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} |
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|
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if ( 3 === $this->options['force_lang'] ) { |
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add_filter( 'preview_post_link', array( &$this, 'preview_post_link' ), 20 ); |
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} |
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} |
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|
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/** |
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* modifies post & page links |
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* |
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* @since 0.7 |
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* |
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* @param string $link post link |
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* @param object $post post object |
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* @return string modified post link |
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*/ |
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public function post_link( $link, $post ) { |
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// /!\ WP does not use pretty permalinks for preview |
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return false !== strpos( $link, 'preview=true' ) && false !== strpos( $link, 'p=' ) ? $link : $this->links_model->add_language_to_link( $link, $this->model->post->get_language( $post->ID ) ); |
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} |
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|
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|
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/** |
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* modifies page links |
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* |
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* @since 1.7 |
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* |
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* @param string $link post link |
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* @param int $post_id post ID |
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* @return string modified post link |
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*/ |
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public function _get_page_link( $link, $post_id ) { |
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// /!\ WP does not use pretty permalinks for preview |
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return false !== strpos( $link, 'preview=true' ) && false !== strpos( $link, 'page_id=' ) ? $link : $this->links_model->add_language_to_link( $link, $this->model->post->get_language( $post_id ) ); |
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} |
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|
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/** |
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* modifies attachment links |
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* |
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* @since 1.6.2 |
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* |
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* @param string $link attachment link |
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* @param int $post_id attachment link |
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* @return string modified attachment link |
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*/ |
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public function attachment_link( $link, $post_id ) { |
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return wp_get_post_parent_id( $post_id ) ? $link : $this->links_model->add_language_to_link( $link, $this->model->post->get_language( $post_id ) ); |
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} |
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|
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/** |
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* modifies custom posts links |
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* |
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* @since 1.6 |
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* |
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* @param string $link post link |
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* @param object $post post object |
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* @return string modified post link |
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*/ |
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public function post_type_link( $link, $post ) { |
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// /!\ WP does not use pretty permalinks for preview |
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if ( ( false === strpos( $link, 'preview=true' ) || false === strpos( $link, 'p=' ) ) && $this->model->is_translated_post_type( $post->post_type ) ) { |
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$lang = $this->model->post->get_language( $post->ID ); |
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$link = $this->options['force_lang'] ? $this->links_model->add_language_to_link( $link, $lang ) : $link; |
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|
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/** |
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* Filter a custom post type link |
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* |
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* @since 1.6 |
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* |
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* @param string $link the term link |
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* @param object $lang the current language |
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* @param object $post the post object |
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*/ |
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$link = apply_filters( 'pll_post_type_link', $link, $lang, $post ); |
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} |
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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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* modifies term link |
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* |
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* @since 0.7 |
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* |
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* @param string $link term link |
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* @param object $term term object |
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* @param string $tax taxonomy name |
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* @return string modified term link |
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*/ |
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public function term_link( $link, $term, $tax ) { |
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if ( $this->model->is_translated_taxonomy( $tax ) ) { |
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$lang = $this->model->term->get_language( $term->term_id ); |
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$link = $this->options['force_lang'] ? $this->links_model->add_language_to_link( $link, $lang ) : $link; |
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|
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/** |
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* Filter a term link |
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* |
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* @since 1.6 |
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* |
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* @param string $link the term link |
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* @param object $lang the current language |
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* @param object $term the term object |
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*/ |
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return apply_filters( 'pll_term_link', $link, $lang, $term ); |
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} |
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|
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// in case someone calls get_term_link for the 'language' taxonomy |
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if ( 'language' === $tax ) { |
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return $this->links_model->home_url( $term ); |
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} |
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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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* FIXME: keeps the preview post link on default domain when using multiple domains |
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* |
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* @since 1.6.1 |
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* |
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* @param string $url |
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* @return string modified url |
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*/ |
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public function preview_post_link( $url ) { |
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return $this->links_model->remove_language_from_link( $url ); |
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} |
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} |
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|
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