65 lines
1.7 KiB
PHP
65 lines
1.7 KiB
PHP
<?php
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/**
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* @package WPSEO\Admin\Metabox
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*/
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/**
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* Handles all things with the metabox in combination with the WordPress editor.
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*/
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class WPSEO_Metabox_Editor {
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/**
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* Registers hooks to WordPress
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*/
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public function register_hooks() {
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add_filter( 'mce_css', array( $this, 'add_css_inside_editor' ) );
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add_filter( 'tiny_mce_before_init', array( $this, 'add_custom_element' ) );
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}
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/**
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* Adds our inside the editor CSS file to the list of CSS files to be loaded inside the editor.
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*
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* @param string $css_files The CSS files that WordPress wants to load inside the editor.
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* @return string The CSS files WordPress wants to load and our CSS file.
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*/
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public function add_css_inside_editor( $css_files ) {
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$asset_manager = new WPSEO_Admin_Asset_Manager();
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$styles = $asset_manager->special_styles();
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/** @var WPSEO_Admin_Asset $inside_editor */
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$inside_editor = $styles['inside-editor'];
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$url = $inside_editor->get_url( WPSEO_Admin_Asset::TYPE_CSS, WPSEO_FILE );
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if ( '' === $css_files ) {
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$css_files = $url;
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}
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else {
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$css_files .= ',' . $url;
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}
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return $css_files;
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}
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/**
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* Adds a custom element to the tinyMCE editor that we need for marking the content.
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*
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* @param array $tinymce_config The tinyMCE config as configured by WordPress.
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*
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* @return array The new tinyMCE config with our added custom elements.
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*/
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public function add_custom_element( $tinymce_config ) {
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if ( ! empty( $tinymce_config['custom_elements'] ) ) {
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$custom_elements = $tinymce_config['custom_elements'];
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$custom_elements .= ',' . '~yoastmark';
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}
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else {
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$custom_elements = '~yoastmark';
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}
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$tinymce_config['custom_elements'] = $custom_elements;
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return $tinymce_config;
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}
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}
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