init_hooks(); } return static::$instance; } /** * Hook into actions and filters. */ public function init_hooks() { // Admin functions if ( is_request( 'admin' ) ) { add_action( 'admin_init', array( $this, 'admin_init' ) ); } // Display term thumbnail on the front-end if ( is_request( 'frontend' ) && apply_filters( 'wpex_enable_term_page_header_image', true ) ) { add_filter( 'wpex_page_header_style', array( $this, 'page_header_style' ) ); add_filter( 'wpex_page_header_background_image', array( $this, 'page_header_bg' ) ); } } /** * Get things started in the backend to add/save the settings. */ public function admin_init() { // Get taxonomies $taxonomies = apply_filters( 'wpex_thumbnail_taxonomies', get_taxonomies( array( 'public' => true, ) ) ); // Return if no taxonomies are defined if ( ! $taxonomies ) { return; } // Loop through taxonomies foreach ( $taxonomies as $taxonomy ) { // Add forms add_action( $taxonomy . '_add_form_fields', array( $this, 'add_form_fields' ), 10 ); add_action( $taxonomy . '_edit_form_fields', array( $this, 'edit_form_fields' ), 10, 2 ); // Add columns if ( 'product_cat' != $taxonomy ) { add_filter( 'manage_edit-' . $taxonomy . '_columns', array( $this, 'admin_columns' ) ); add_filter( 'manage_' . $taxonomy . '_custom_column', array( $this, 'admin_column' ), 10, 3 ); } // Save forms add_action( 'created_' . $taxonomy, array( $this, 'save_forms' ), 10, 3 ); add_action( 'edit_' . $taxonomy, array( $this, 'save_forms' ), 10, 3 ); } } /** * Add Thumbnail field to add form fields. */ public function add_form_fields( $taxonomy ) { wp_nonce_field( 'wpex_term_thumbnail_meta_nonce', 'wpex_term_thumbnail_meta_nonce' ); // Options not needed for Woo if ( 'product_cat' != $taxonomy ) : ?>

enqueue_admin_scripts(); ?>

term_id; // Get page header setting $page_header_bg = $this->get_term_meta( $term_id, 'page_header_bg', true ); ?> get_term_thumbnail_id( $term_id ); if ( $thumbnail_id ) { $thumbnail_src = wp_get_attachment_image_src( $thumbnail_id, 'thumbnail', false ); $thumbnail_url = ! empty( $thumbnail_src[0] ) ? $thumbnail_src[0] : ''; } ?> enqueue_admin_scripts(); ?>

add_term_data( $term_id, 'thumbnail_id', $thumbnail_id ); } // Delete thumbnail else { $this->remove_term_data( $term_id, 'thumbnail_id' ); } // Remove old data $this->remove_deprecated_term_data( $term_id, 'thumbnail' ); } /** * Update page header image option. */ public function update_page_header_img( $term_id, $display ) { // Turn into string since we can't check if false is empty if ( is_bool( $display ) ) { $display = $display ? 'true' : 'false'; } // Add option if ( isset( $display ) && '' != $display ) { $this->add_term_data( $term_id, 'page_header_bg', $display ); } // Remove option else { $this->remove_term_data( $term_id, 'page_header_bg' ); } // Remove old data $this->remove_deprecated_term_data( $term_id, 'page_header_bg' ); } /** * Save Forms. */ public function save_forms( $term_id, $tt_id = '', $taxonomy = '' ) { // Nonce check if ( ! isset( $_POST['wpex_term_thumbnail_meta_nonce'] ) || ! wp_verify_nonce( $_POST['wpex_term_thumbnail_meta_nonce'], 'wpex_term_thumbnail_meta_nonce' ) ) { return; } if ( isset( $_POST['wpex_term_thumbnail'] ) ) { $this->update_thumbnail( $term_id, $_POST['wpex_term_thumbnail'] ); } if ( isset( $_POST['wpex_term_page_header_image'] ) ) { $this->update_page_header_img( $term_id, $_POST['wpex_term_page_header_image'] ); } } /** * Thumbnail column added to category admin. */ public function admin_columns( $columns ) { $columns['wpex-term-thumbnail-col'] = esc_attr__( 'Thumbnail', 'total-theme-core' ); return $columns; } /** * Thumbnail column value added to category admin. */ public function admin_column( $columns, $column, $id ) { // Add thumbnail to columns if ( 'wpex-term-thumbnail-col' === $column ) { $thumbnail = ''; if ( $thumbnail_id = $this->get_term_thumbnail_id( $id ) ) { $thumbnail = wp_get_attachment_image_src( $thumbnail_id, 'thumbnail' ); } if ( $thumbnail ) { $columns .= '

' . esc_attr__( 'Thumbnail', 'total-theme-core' ) . '

'; } else { $columns .= '—'; } } // Return columns return $columns; } /** * Get term meta with fallback */ public function get_term_meta( $term_id = null, $key = '', $single = true ) { $term_id = $term_id ? $term_id : get_queried_object()->term_id; $value = ''; if ( $term_id ) { $value = get_term_meta( $term_id, $key, $single ); if ( isset( $value ) ) { return $value; } $term_data = get_option( 'wpex_term_data' ); $term_data = ! empty( $term_data[ $term_id ] ) ? $term_data[ $term_id ] : ''; if ( $term_data && ! empty( $term_data[ $key ] ) ) { return $term_data[ $key ]; } } return $value; } /** * Retrieve term thumbnail for admin panel. */ public function get_term_thumbnail_id( $term_id = null ) { $term_id = $term_id ? $term_id : get_queried_object()->term_id; $thumbnail_id = ''; // Get thumbnail ID from term if ( $term_id ) { $thumbnail_id = get_term_meta( $term_id, 'thumbnail_id', true ); // Check option if ( empty( $thumbnail_id ) ) { // Get data $term_data = get_option( 'wpex_term_data' ); $term_data = ! empty( $term_data[ $term_id ] ) ? $term_data[ $term_id ] : ''; // Return thumbnail ID if ( $term_data && ! empty( $term_data[ 'thumbnail' ] ) ) { return $term_data[ 'thumbnail' ]; } } } // Return thumbnail return $thumbnail_id; } /** * Check if the term page header should have a background image. */ public function page_header_style( $style ) { if ( $this->is_tax_archive() && wpex_term_page_header_image_enabled() && $term_thumbnail = wpex_get_term_thumbnail_id() ) { $style = 'background-image'; } return $style; } /** * Sets correct page header background. */ public function page_header_bg( $image ) { if ( $this->is_tax_archive() && wpex_term_page_header_image_enabled() && $term_thumbnail = wpex_get_term_thumbnail_id() ) { $image = wp_get_attachment_image_src( $term_thumbnail, 'full' ); $image = $image[0]; } return $image; } /** * Check if on a tax archive. */ public function is_tax_archive() { if ( ! is_search() && ( is_tax() || is_category() || is_tag() ) ) { return true; } } } Term_Thumbnails::instance();