122 lines
2.8 KiB
PHP
122 lines
2.8 KiB
PHP
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<?php
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/**
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* Featured image meta checkbox to inline SVG
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*
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* Allow users to select whether featured images should contain the SVG Support class
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* Check if the featured image is SVG first, then display meta box for SVG only.
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*/
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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/**
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* Add checkbox to the featured image metabox
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*/
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function bodhi_svgs_featured_image_meta( $content ) {
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global $post;
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// check if featured image is set and has extension of .svg or .svgz
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// need to make this check on the moment that the thumbnail shows up in the meta box.
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if ( strpos( get_the_post_thumbnail(), '.svg' ) ) {
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$text = __( 'Render this SVG inline (advanced)', 'svg-support' );
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$id = 'inline_featured_image';
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$value = esc_attr( get_post_meta( $post->ID, $id, true ) );
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$label = '<label for="' . $id . '" class="selectit"><input name="' . $id . '" type="checkbox" id="' . $id . '" value="' . $value . ' "'. checked( $value, 1, false) .'> ' . $text .'</label>';
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return $content .= $label;
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} else {
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return $content;
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}
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}
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if ( bodhi_svgs_advanced_mode() ) {
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add_filter( 'admin_post_thumbnail_html', 'bodhi_svgs_featured_image_meta' );
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}
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/**
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* Save featured image meta data when saved
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*/
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function bodhi_svgs_save_featured_image_meta( $post_id, $post, $update ) {
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// if gutenberg is active, disable the classic editor checkbox
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if( isset($_REQUEST['hidden_post_status']) ){
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$value = 0;
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if ( isset( $_REQUEST['inline_featured_image'] ) ) {
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$value = 1;
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}
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// Check if post type supports 'thumbnail' (Featured Image)
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if ( post_type_supports( get_post_type( $post_id ), 'thumbnail' ) ) {
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// set meta value to either 1 or 0
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update_post_meta( $post_id, 'inline_featured_image', $value );
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}
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}
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}
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add_action( 'save_post', 'bodhi_svgs_save_featured_image_meta', 10, 3 );
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/*
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* Save featured image meta for Gutenberg Editor
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*/
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function bodhi_svgs_register_meta() {
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register_meta( 'post', 'inline_featured_image', array(
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'show_in_rest' => true,
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'single' => true,
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'type' => 'boolean',
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'auth_callback' => '__return_true'
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) );
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}
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add_action( 'init', 'bodhi_svgs_register_meta' );
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/**
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* Add class to the featured image output on front end
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*/
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function bodhi_svgs_add_class_to_thumbnail( $thumb ) {
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$inline_featured_image = get_post_meta( get_the_ID(), 'inline_featured_image' );
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if ( is_array( $inline_featured_image ) && in_array( 1, $inline_featured_image ) ) {
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global $bodhi_svgs_options;
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if ( ! empty( $bodhi_svgs_options['css_target'] ) ) {
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$target_class = $bodhi_svgs_options['css_target'];
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} else {
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$target_class = 'style-svg';
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}
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if ( is_singular() ) {
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$thumb = str_replace( 'attachment-', $target_class . ' attachment-', $thumb );
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}
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}
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return $thumb;
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}
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if ( bodhi_svgs_advanced_mode() ) {
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add_filter( 'post_thumbnail_html', 'bodhi_svgs_add_class_to_thumbnail' );
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}
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