preview_values = array(); $this->preview_reference = array(); $this->preview_errors = array(); // actions add_action('admin_enqueue_scripts', array($this, 'admin_enqueue_scripts')); add_action('in_widget_form', array($this, 'edit_widget'), 10, 3); add_action('acf/validate_save_post', array($this, 'acf_validate_save_post'), 5); // filters add_filter('widget_update_callback', array($this, 'save_widget'), 10, 4); } /* * admin_enqueue_scripts * * This action is run after post query but before any admin script / head actions. * It is a good place to register all actions. * * @type action (admin_enqueue_scripts) * @date 26/01/13 * @since 3.6.0 * * @param N/A * @return N/A */ function admin_enqueue_scripts() { // validate screen if( acf_is_screen('widgets') || acf_is_screen('customize') ) { // valid } else { return; } // load acf scripts acf_enqueue_scripts(); // actions add_action('acf/input/admin_footer', array($this, 'admin_footer'), 1); } /* * acf_validate_save_post * * This function will loop over $_POST data and validate * * @type action 'acf/validate_save_post' 5 * @date 7/09/2016 * @since 5.4.0 * * @param n/a * @return n/a */ function acf_validate_save_post() { // bai lealry if not widget if( !isset($_POST['_acf_widget_id']) ) return; // vars $id = $_POST['_acf_widget_id']; $number = $_POST['_acf_widget_number']; $prefix = $_POST['_acf_widget_prefix']; // validate acf_validate_values( $_POST[ $id ][ $number ]['acf'], $prefix ); } /* * edit_widget * * This function will render the fields for a widget form * * @type function * @date 11/06/2014 * @since 5.0.0 * * @param $widget (object) * @param $return (null) * @param $instance (object) * @return $post_id (int) */ function edit_widget( $widget, $return, $instance ) { // vars $post_id = 0; $prefix = 'widget-' . $widget->id_base . '[' . $widget->number . '][acf]'; // get id if( $widget->number !== '__i__' ) { $post_id = "widget_{$widget->id}"; } // get field groups $field_groups = acf_get_field_groups(array( 'widget' => $widget->id_base )); // render if( !empty($field_groups) ) { // render post data acf_form_data(array( 'post_id' => $post_id, 'nonce' => 'widget', 'widget_id' => 'widget-' . $widget->id_base, 'widget_number' => $widget->number, 'widget_prefix' => $prefix )); // loop foreach( $field_groups as $field_group ) { // load fields $fields = acf_get_fields( $field_group ); // bail if not fields if( empty($fields) ) continue; // change prefix foreach( $fields as &$field ) $field['prefix'] = $prefix; // render acf_render_fields( $post_id, $fields, 'div', $field_group['instruction_placement'] ); } // jQuery selector looks odd, but is necessary due to WP adding an incremental number into the ID // - not possible to find number via PHP parameters if( $widget->updated ): ?> id}", $new_instance['acf'] ); // return return $instance; } /* * admin_footer * * This function will add some custom HTML to the footer of the edit page * * @type function * @date 11/06/2014 * @since 5.0.0 * * @param n/a * @return n/a */ function admin_footer() { ?>