* @license GPL-2.0+ * @link http://robincornett.com * @copyright 2014 Robin Cornett Creative, LLC */ class Display_Featured_Image_Genesis_Settings { /** * variable set for featured image option * @var option */ protected $common; protected $page; protected $displaysetting; protected $post_types; protected $fields; /** * add a submenu page under Appearance * @return submenu Display Featured image settings page * @since 1.4.0 */ public function do_submenu_page() { $this->page = 'displayfeaturedimagegenesis'; $this->common = new Display_Featured_Image_Genesis_Common(); add_theme_page( __( 'Display Featured Image for Genesis', 'display-featured-image-genesis' ), __( 'Display Featured Image Settings', 'display-featured-image-genesis' ), 'manage_options', $this->page, array( $this, 'do_settings_form' ) ); add_action( 'admin_init', array( $this, 'register_settings' ) ); add_action( 'load-appearance_page_displayfeaturedimagegenesis', array( $this, 'help' ) ); $this->displaysetting = $this->get_display_setting(); } /** * create settings form * @return form Display Featured Image for Genesis settings * * @since 1.4.0 */ public function do_settings_form() { $page_title = get_admin_page_title(); $heading = $GLOBALS['wp_version'] >= '4.3' ? 'h1' : 'h2'; echo '
%s
', wp_kses_post( $description ) ); } /** * display image preview * @param variable $id featured image ID * @return $image image preview * * @since 2.3.0 */ public function render_image_preview( $id ) { if ( empty( $id ) ) { return; } $id = displayfeaturedimagegenesis_check_image_id( $id ); $preview = wp_get_attachment_image_src( (int) $id, 'medium' ); $image = sprintf( '%s
', wp_kses_post( $description ) ); } /** * validate all inputs * @param string $new_value various settings * @return string number or URL * * @since 1.4.0 */ public function do_validation_things( $new_value ) { $action = 'displayfeaturedimagegenesis_save-settings'; $nonce = 'displayfeaturedimagegenesis_nonce'; // If the user doesn't have permission to save, then display an error message if ( ! $this->user_can_save( $action, $nonce ) ) { wp_die( esc_attr__( 'Something unexpected happened. Please try again.', 'display-featured-image-genesis' ) ); } check_admin_referer( 'displayfeaturedimagegenesis_save-settings', 'displayfeaturedimagegenesis_nonce' ); $new_value['less_header'] = absint( $new_value['less_header'] ); // validate all checkbox fields foreach ( $this->fields as $field ) { if ( 'do_checkbox' === $field['callback'] ) { $new_value[ $field['id'] ] = $this->one_zero( $new_value[ $field['id'] ] ); } } // extra variables to pass through to image validation $old_value = $this->displaysetting['default']; $label = 'Default'; $size_to_check = $this->common->minimum_backstretch_width(); // validate default image $new_value['default'] = $this->validate_image( $new_value['default'], $old_value, $label, $size_to_check ); foreach ( $this->post_types as $post_type ) { // extra variables to pass through to image validation $old_value = isset( $this->displaysetting['post_type'][ $post_type->name ] ) ? $this->displaysetting['post_type'][ $post_type->name ] : ''; $label = $post_type->label; $size_to_check = get_option( 'medium_size_w' ); // sanitize $new_value['post_type'][ $post_type->name ] = $this->validate_image( $new_value['post_type'][ $post_type->name ], $old_value, $label, $size_to_check ); } return $new_value; } /** * Determines if the user has permission to save the information from the submenu * page. * * @since 2.3.0 * @access private * * @param string $action The name of the action specified on the submenu page * @param string $nonce The nonce specified on the submenu page * * @return bool True if the user has permission to save; false, otherwise. * @author Tom McFarlin (https://tommcfarlin.com/save-wordpress-submenu-page-options/) */ private function user_can_save( $action, $nonce ) { $is_nonce_set = isset( $_POST[ $nonce ] ); $is_valid_nonce = false; if ( $is_nonce_set ) { $is_valid_nonce = wp_verify_nonce( $_POST[ $nonce ], $action ); } return ( $is_nonce_set && $is_valid_nonce ); } /** * Returns previous value for image if not correct file type/size * @param string $new_value New value * @return string New or previous value, depending on allowed image size. * @since 1.2.2 */ protected function validate_image( $new_value, $old_value, $label, $size_to_check ) { $new_value = displayfeaturedimagegenesis_check_image_id( $new_value ); $old_value = displayfeaturedimagegenesis_check_image_id( $old_value ); $source = wp_get_attachment_image_src( $new_value, 'full' ); $valid = $this->is_valid_img_ext( $source[0] ); $width = $source[1]; $reset = sprintf( __( ' The %s Featured Image has been reset to the last valid setting.', 'display-featured-image-genesis' ), $label ); // ok for field to be empty if ( ! $new_value ) { return ''; } if ( $valid && $width > $size_to_check ) { return $new_value; } $new_value = $old_value; if ( ! $valid ) { $message = __( 'Sorry, that is an invalid file type.', 'display-featured-image-genesis' ); $class = 'invalid'; } elseif ( $width <= $size_to_check ) { $message = __( 'Sorry, your image is too small.', 'display-featured-image-genesis' ); $class = 'weetiny'; } add_settings_error( $old_value, esc_attr( $class ), esc_attr( $message . $reset ), 'error' ); return $new_value; } /** * Returns false value for image if not correct file type/size * @param string $new_value New value * @return string New value or false, depending on allowed image size. * @since 2.0.0 */ protected function validate_taxonomy_image( $new_value ) { // if the image was selected using the old URL method $new_value = displayfeaturedimagegenesis_check_image_id( $new_value ); $medium = get_option( 'medium_size_w' ); $source = wp_get_attachment_image_src( $new_value, 'full' ); $valid = $this->is_valid_img_ext( $source[0] ); $width = $source[1]; // ok for field to be empty if ( $new_value && ( ! $valid || $width <= $medium ) ) { $new_value = false; } return $new_value; } /** * Returns old value for author image if not correct file type/size * @param string $new_value New value * @return string New value or old, depending on allowed image size. * @since 2.3.0 */ public function validate_author_image( $new_value, $old_value ) { $medium = get_option( 'medium_size_w' ); $source = wp_get_attachment_image_src( $new_value, 'full' ); $valid = $this->is_valid_img_ext( $source[0] ); $width = $source[1]; if ( ! $new_value || ( $new_value && $valid && $width > $medium ) ) { return $new_value; } add_filter( 'user_profile_update_errors', array( $this, 'user_profile_error_message' ), 10, 3 ); return $old_value; } /** * User profile error message * @param var $errors error message depending on what's wrong * @param var $update whether or not to update * @param var $user user being updated * @return error message * * @since 2.3.0 */ public function user_profile_error_message( $errors, $update, $user ) { $new_value = (int) $_POST['displayfeaturedimagegenesis']; $medium = get_option( 'medium_size_w' ); $source = wp_get_attachment_image_src( $new_value, 'full' ); $valid = $this->is_valid_img_ext( $source[0] ); $width = $source[1]; $reset = sprintf( __( ' The %s Featured Image has been reset to the last valid setting.', 'display-featured-image-genesis' ), $user->display_name ); if ( ! $valid ) { $error = __( 'Sorry, that is an invalid file type.', 'display-featured-image-genesis' ); } elseif ( $width <= $medium ) { $error = __( 'Sorry, your image is too small.', 'display-featured-image-genesis' ); } $errors->add( 'profile_error', $error . $reset ); } /** * returns file extension * @since 1.2.2 */ protected function get_file_ext( $file ) { $parsed = @parse_url( $file, PHP_URL_PATH ); return $parsed ? strtolower( pathinfo( $parsed, PATHINFO_EXTENSION ) ) : false; } /** * check if file type is image * @return file check file extension against list * @since 1.2.2 */ protected function is_valid_img_ext( $file ) { $file_ext = $this->get_file_ext( $file ); $is_valid_types = (array) apply_filters( 'displayfeaturedimage_valid_img_types', array( 'jpg', 'jpeg', 'png', 'gif' ) ); return ( $file_ext && in_array( $file_ext, $is_valid_types ) ); } /** * Returns a 1 or 0, for all truthy / falsy values. * * Uses double casting. First, we cast to bool, then to integer. * * @since 1.3.0 * * @param mixed $new_value Should ideally be a 1 or 0 integer passed in * @return integer 1 or 0. */ protected function one_zero( $new_value ) { return (int) (bool) $new_value; } /** * Help tab for media screen * @return help tab with verbose information for plugin * * @since 1.1.0 */ public function help() { $screen = get_current_screen(); $large = $this->common->minimum_backstretch_width(); $height_help = '' . __( 'Depending on how your header/nav are set up, or if you just do not want your backstretch image to extend to the bottom of the user screen, you may want to change this number. It will raise the bottom line of the backstretch image, making it shorter.', 'display-featured-image-genesis' ) . '
'; $height_help .= '' . __( 'The plugin determines the size of your backstretch image based on the size of the user\'s browser window. Changing the "Height" setting tells the plugin to subtract that number of pixels from the measured height of the user\'s window, regardless of the size of that window.', 'display-featured-image-genesis' ) . '
'; $height_help .= '' . __( 'If you need to control the size of the backstretch Featured Image output with more attention to the user\'s screen size, you will want to consider a CSS approach instead. Check the readme for an example.', 'display-featured-image-genesis' ) . '
'; $default_help = '' . __( 'You may set a large image to be used sitewide if a featured image is not available. This image will show on posts, pages, and archives.', 'display-featured-image-genesis' ) . '
'; $default_help .= '' . sprintf( __( 'Supported file types are: jpg, jpeg, png, and gif. The image must be at least %1$s pixels wide.', 'display-featured-image-genesis' ), absint( $large + 1 ) ) . '
'; $skipfront_help = '' . __( 'If you set a Default Featured Image, it will show on every post/page of your site. This may not be desirable on child themes with a front page constructed with widgets, so you can select this option to prevent the Featured Image from showing on the front page. Checking this will prevent the Featured Image from showing on the Front Page, even if you have set an image for that page individually.', 'display-featured-image-genesis' ) . '
'; $skipfront_help .= '' . sprintf( __( 'If you want to prevent entire groups of posts from not using the Featured Image, you will want to add a filter to your theme functions.php file.', 'display-featured-image-genesis' ), esc_url( 'https://github.com/robincornett/display-featured-image-genesis#how-do-i-stop-the-featured-image-action-from-showing-on-my-custom-post-types' ) ) . '
'; $keeptitles_help = '' . __( 'This setting applies to the backstretch Featured Image only. It allows you to keep the post/page titles in their original location, instead of overlaying the new image.', 'display-featured-image-genesis' ) . '
'; $excerpts_help = '' . __( 'By default, archive descriptions (set on the Genesis Archive Settings pages) show below the Default Featured Image, while the archive title displays on top of the image. If you check this box, all headlines, descriptions, and optional excerpts will display in a box overlaying the Featured Image.', 'display-featured-image-genesis' ) . '
'; $paged_help = '' . __( 'Featured Images do not normally show on the second (and following) page of term/blog/post archives. Check this setting to ensure that they do.', 'display-featured-image-genesis' ) . '
'; $feed_help = '' . __( 'This plugin does not add the Featured Image to your content, so normally you will not see your Featured Image in the feed. If you select this option, however, the Featured Image (if it is set) will be added to each entry in your RSS feed.', 'display-featured-image-genesis' ) . '
'; $feed_help .= '' . __( 'If your RSS feed is set to Full Text, the Featured Image will be added to the entry content. If it is set to Summary, the Featured Image will be added to the excerpt instead.', 'display-featured-image-genesis' ) . '
'; $cpt_help = '' . __( 'Some plugins and/or developers extend the power of WordPress by using Custom Post Types to create special kinds of content.', 'display-featured-image-genesis' ) . '
'; $cpt_help .= '' . __( 'Since your site uses Custom Post Types, you may optionally set a Featured Image for each archive.', 'display-featured-image-genesis' ) . '
'; $cpt_help .= '' . __( 'Featured Images for archives can be smaller than the Default Featured Image, but still need to be larger than your site\'s "medium" image size.', 'display-featured-image-genesis' ) . '
'; $help_tabs = array( array( 'id' => 'displayfeaturedimage_less_header-help', 'title' => __( 'Height', 'display-featured-image-genesis' ), 'content' => $height_help, ), array( 'id' => 'displayfeaturedimage_default-help', 'title' => __( 'Default Featured Image', 'display-featured-image-genesis' ), 'content' => $default_help, ), array( 'id' => 'displayfeaturedimage_exclude_front-help', 'title' => __( 'Skip Front Page', 'display-featured-image-genesis' ), 'content' => $skipfront_help, ), array( 'id' => 'displayfeaturedimage_keep_titles-help', 'title' => __( 'Do Not Move Titles', 'display-featured-image-genesis' ), 'content' => $keeptitles_help, ), array( 'id' => 'displayfeaturedimage_excerpts-help', 'title' => __( 'Move Excerpts', 'display-featured-image-genesis' ), 'content' => $excerpts_help, ), array( 'id' => 'displayfeaturedimage_paged-help', 'title' => __( 'Subsequent Pages', 'display-featured-image-genesis' ), 'content' => $paged_help, ), array( 'id' => 'displayfeaturedimage_feed-help', 'title' => __( 'RSS Feed', 'display-featured-image-genesis' ), 'content' => $feed_help, ), ); foreach ( $help_tabs as $tab ) { $screen->add_help_tab( $tab ); } if ( $this->post_types ) { $screen->add_help_tab( array( 'id' => 'displayfeaturedimage_cpt-help', 'title' => __( 'Custom Post Types', 'display-featured-image-genesis' ), 'content' => $cpt_help, ) ); } } }