Ticket #45348: 45348.diff

src/wp-admin/edit-form-blocks.php

@@ -325 +325 @@
                 'post' => $post->ID,
         )
 );
+wp_tinymce_inline_scripts();
 wp_enqueue_editor();
 
 /**

src/wp-includes/script-loader.php

@@ -484 +484 @@
                 'window.wp.oldEditor = window.wp.editor;',
                 'after'
         );
+}
 
-        // TinyMCE init.
+/**
+ * Adds inline scripts required for the TinyMCE in the block editor.
+ *
+ * These TinyMCE init settings are used to extend and override the default settings
+ * from `_WP_Editors::default_settings()` for the Classic block.
+ *
+ * @since 5.0.0
+ *
+ * @global WP_Scripts $wp_scripts
+ */
+function wp_tinymce_inline_scripts() {
+        global $wp_scripts;
+
+        /** This filter is documented in wp-includes/class-wp-editor.php */
+        $editor_settings = apply_filters( 'wp_editor_settings', array( 'tinymce' => true ), 'classic-block' );
+
         $tinymce_plugins = array(
                 'charmap',
                 'colorpicker',
@@ -511 +527 @@
         $tinymce_plugins = apply_filters( 'tiny_mce_plugins', $tinymce_plugins, 'classic-block' );
         $tinymce_plugins = array_unique( $tinymce_plugins );
 
+        $disable_captions = false;
+        // Runs after `tiny_mce_plugins` but before `mce_buttons`.
+        /** This filter is documented in wp-admin/includes/media.php */
+        if ( apply_filters( 'disable_captions', '' ) ) {
+                $disable_captions = true;
+        }
+
         $toolbar1 = array(
                 'formatselect',
                 'bold',
@@ -565 +588 @@
                 'classic_block_editor' => true,
         );
 
+        if ( $disable_captions ) {
+                $tinymce_settings['wpeditimage_disable_captions'] = true;
+        }
+
+        if ( ! empty( $editor_settings['tinymce'] ) && is_array( $editor_settings['tinymce'] ) ) {
+                array_merge( $tinymce_settings, $editor_settings['tinymce'] );
+        }
+
         /* This filter is documented in wp-includes/class-wp-editor.php */
         $tinymce_settings = apply_filters( 'tiny_mce_before_init', $tinymce_settings, 'classic-block' );
 
@@ -596 +627 @@
                 }
         }';
 
-        $scripts->add_inline_script( 'wp-block-library', $script, 'before' );
+        $wp_scripts->add_inline_script( 'wp-block-library', $script, 'before' );
 }
 
 /**