_add_hooks(); } /** * Singleton instance getter * * @return object Smartcrawl_Schema_Printer instance */ public static function get() { if ( empty( self::$_instance ) ) { self::$_instance = new self(); } return self::$_instance; } /** * First-line dispatching of schema tags injection */ public function dispatch_schema_injection() { if ( ! ! $this->_is_done ) { return false; } if ( $this->is_schema_disabled() ) { $this->_is_done = true; return false; // Disabled } $helper = Smartcrawl_Schema_Value_Helper::get(); $helper->traverse(); $data = $helper->get_schema(); if ( empty( $data ) ) { return false; } if ( empty( $data ) ) { return false; } $this->_is_done = true; echo '\n"; } public function get_filter_prefix() { return 'wds-schema'; } public function admin_bar_menu_items( $admin_bar ) { $schema_options = Smartcrawl_Settings::get_component_options( Smartcrawl_Settings::COMP_SCHEMA ); if ( is_admin() || ! current_user_can( 'publish_posts' ) || $this->is_schema_disabled() || empty( $schema_options['schema_enable_test_button'] ) ) { return $admin_bar; } $url = 'http' . ( isset( $_SERVER['HTTPS'] ) ? 's' : '' ) . '://' . "{$_SERVER['HTTP_HOST']}{$_SERVER['REQUEST_URI']}"; $admin_bar->add_menu( array( 'id' => 'smartcrawl-test-item', 'title' => __( 'Test Schema', 'wds' ), 'href' => 'https://developers.google.com/structured-data/testing-tool/?url=' . $url, 'meta' => array( 'title' => __( 'Test Schema', 'wds' ), 'target' => __( '_blank' ), ), ) ); return $admin_bar; } private function _add_hooks() { // Do not double-bind if ( $this->apply_filters( 'is_running', $this->_is_running ) ) { return true; } add_action( 'wp_head', array( $this, 'dispatch_schema_injection' ), 50 ); add_action( 'wds_head-after_output', array( $this, 'dispatch_schema_injection' ) ); add_action( 'admin_bar_menu', array( $this, 'admin_bar_menu_items' ), 99 ); $this->_is_running = true; } /** * @return mixed */ private function is_schema_disabled() { $social = Smartcrawl_Settings::get_component_options( Smartcrawl_Settings::COMP_SOCIAL ); return ! empty( $social['disable-schema'] ); } }