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class-metabox-editor.php
86 lines
| 1 | <?php |
| 2 | /** |
| 3 | * WPSEO plugin file. |
| 4 | * |
| 5 | * @package WPSEO\Admin\Metabox |
| 6 | */ |
| 7 | |
| 8 | /** |
| 9 | * Handles all things with the metabox in combination with the WordPress editor. |
| 10 | */ |
| 11 | class WPSEO_Metabox_Editor { |
| 12 | |
| 13 | /** |
| 14 | * Registers hooks to WordPress. |
| 15 | * |
| 16 | * @codeCoverageIgnore |
| 17 | * |
| 18 | * @return void |
| 19 | */ |
| 20 | public function register_hooks() { |
| 21 | // For the Classic editor. |
| 22 | add_filter( 'mce_css', [ $this, 'add_css_inside_editor' ] ); |
| 23 | // For the Block/Gutenberg editor. |
| 24 | // See https://github.com/danielbachhuber/gutenberg-migration-guide/blob/master/filter-mce-css.md. |
| 25 | add_action( 'enqueue_block_editor_assets', [ $this, 'add_editor_styles' ] ); |
| 26 | |
| 27 | add_filter( 'tiny_mce_before_init', [ $this, 'add_custom_element' ] ); |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * Adds our inside the editor CSS file to the list of CSS files to be loaded inside the editor. |
| 32 | * |
| 33 | * @param string $css_files The CSS files that WordPress wants to load inside the editor. |
| 34 | * @return string The CSS files WordPress wants to load and our CSS file. |
| 35 | */ |
| 36 | public function add_css_inside_editor( $css_files ) { |
| 37 | $asset_manager = new WPSEO_Admin_Asset_Manager(); |
| 38 | $styles = $asset_manager->special_styles(); |
| 39 | $inside_editor = $styles['inside-editor']; |
| 40 | |
| 41 | $asset_location = new WPSEO_Admin_Asset_SEO_Location( WPSEO_FILE ); |
| 42 | $url = $asset_location->get_url( $inside_editor, WPSEO_Admin_Asset::TYPE_CSS ); |
| 43 | |
| 44 | if ( $css_files === '' ) { |
| 45 | $css_files = $url; |
| 46 | } |
| 47 | else { |
| 48 | $css_files .= ',' . $url; |
| 49 | } |
| 50 | |
| 51 | return $css_files; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Enqueues the CSS to use in the TinyMCE editor. |
| 56 | * |
| 57 | * @return void |
| 58 | */ |
| 59 | public function add_editor_styles() { |
| 60 | $asset_manager = new WPSEO_Admin_Asset_Manager(); |
| 61 | $asset_manager->enqueue_style( 'inside-editor' ); |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | * Adds a custom element to the tinyMCE editor that we need for marking the content. |
| 66 | * |
| 67 | * @param array $tinymce_config The tinyMCE config as configured by WordPress. |
| 68 | * |
| 69 | * @return array The new tinyMCE config with our added custom elements. |
| 70 | */ |
| 71 | public function add_custom_element( $tinymce_config ) { |
| 72 | if ( ! empty( $tinymce_config['custom_elements'] ) ) { |
| 73 | $custom_elements = $tinymce_config['custom_elements']; |
| 74 | |
| 75 | $custom_elements .= ',~yoastmark'; |
| 76 | } |
| 77 | else { |
| 78 | $custom_elements = '~yoastmark'; |
| 79 | } |
| 80 | |
| 81 | $tinymce_config['custom_elements'] = $custom_elements; |
| 82 | |
| 83 | return $tinymce_config; |
| 84 | } |
| 85 | } |
| 86 |