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edit-form-blocks.php
edit-form-blocks.php 13.73 KiB
<?php
/**
* The block editor page.
*
* @since 5.0.0
*
* @package WordPress
* @subpackage Administration
*/
// Don't load directly.
if ( ! defined( 'ABSPATH' ) ) {
die( '-1' );
}
/**
* @global string $post_type
* @global WP_Post_Type $post_type_object
* @global WP_Post $post Global post object.
* @global string $title
* @global array $editor_styles
* @global array $wp_meta_boxes
*/
global $post_type, $post_type_object, $post, $title, $editor_styles, $wp_meta_boxes;
// Flag that we're loading the block editor.
$current_screen = get_current_screen();
$current_screen->is_block_editor( true );
/*
* Emoji replacement is disabled for now, until it plays nicely with React.
*/
remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
wp_enqueue_script( 'heartbeat' );
wp_enqueue_script( 'wp-edit-post' );
wp_enqueue_script( 'wp-format-library' );
$rest_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
// Preload common data.
$preload_paths = array(
'/',
'/wp/v2/types?context=edit',
'/wp/v2/taxonomies?per_page=-1&context=edit',
'/wp/v2/themes?status=active',
sprintf( '/wp/v2/%s/%s?context=edit', $rest_base, $post->ID ),
sprintf( '/wp/v2/types/%s?context=edit', $post_type ),
sprintf( '/wp/v2/users/me?post_type=%s&context=edit', $post_type ),
array( '/wp/v2/media', 'OPTIONS' ),
array( '/wp/v2/blocks', 'OPTIONS' ),
sprintf( '/wp/v2/%s/%d/autosaves?context=edit', $rest_base, $post->ID ),
);
/**
* Preload common data by specifying an array of REST API paths that will be preloaded.
*
* Filters the array of paths that will be preloaded.
*
* @since 5.0.0
*
* @param string[] $preload_paths Array of paths to preload.
* @param WP_Post $post Post being edited.
*/
$preload_paths = apply_filters( 'block_editor_preload_paths', $preload_paths, $post );
/*
* Ensure the global $post remains the same after API data is preloaded.
* Because API preloading can call the_content and other filters, plugins
* can unexpectedly modify $post. */
$backup_global_post = $post;
$preload_data = array_reduce(
$preload_paths,
'rest_preload_api_request',
array()
);
// Restore the global $post as it was before API preloading.
$post = $backup_global_post;
wp_add_inline_script(
'wp-api-fetch',
sprintf( 'wp.apiFetch.use( wp.apiFetch.createPreloadingMiddleware( %s ) );', wp_json_encode( $preload_data ) ),
'after'
);
wp_add_inline_script(
'wp-blocks',
sprintf( 'wp.blocks.setCategories( %s );', wp_json_encode( get_block_categories( $post ) ) ),
'after'
);
/*
* Assign initial edits, if applicable. These are not initially assigned to the persisted post,
* but should be included in its save payload.
*/
$initial_edits = null;
$is_new_post = false;
if ( 'auto-draft' === $post->post_status ) {
$is_new_post = true;
// Override "(Auto Draft)" new post default title with empty string, or filtered value.
$initial_edits = array(
'title' => $post->post_title,
'content' => $post->post_content,
'excerpt' => $post->post_excerpt,
);
}
// Preload server-registered block schemas.
wp_add_inline_script(
'wp-blocks',
'wp.blocks.unstable__bootstrapServerSideBlockDefinitions(' . wp_json_encode( get_block_editor_server_block_settings() ) . ');'
);
// Get admin url for handling meta boxes.
$meta_box_url = admin_url( 'post.php' );
$meta_box_url = add_query_arg(
array(
'post' => $post->ID,
'action' => 'edit',
'meta-box-loader' => true,
'meta-box-loader-nonce' => wp_create_nonce( 'meta-box-loader' ),
),
$meta_box_url
);
wp_localize_script( 'wp-editor', '_wpMetaBoxUrl', $meta_box_url );
/*
* Initialize the editor.
*/
$align_wide = get_theme_support( 'align-wide' );
$color_palette = current( (array) get_theme_support( 'editor-color-palette' ) );
$font_sizes = current( (array) get_theme_support( 'editor-font-sizes' ) );
$gradient_presets = current( (array) get_theme_support( 'editor-gradient-presets' ) );
/** * Filters the allowed block types for the editor, defaulting to true (all
* block types supported).
*
* @since 5.0.0
*
* @param bool|array $allowed_block_types Array of block type slugs, or
* boolean to enable/disable all.
* @param WP_Post $post The post resource data.
*/
$allowed_block_types = apply_filters( 'allowed_block_types', true, $post );
/*
* Get all available templates for the post/page attributes meta-box.
* The "Default template" array element should only be added if the array is
* not empty so we do not trigger the template select element without any options
* besides the default value.
*/
$available_templates = wp_get_theme()->get_page_templates( get_post( $post->ID ) );
$available_templates = ! empty( $available_templates ) ? array_merge(
array(
/** This filter is documented in wp-admin/includes/meta-boxes.php */
'' => apply_filters( 'default_page_template_title', __( 'Default template' ), 'rest-api' ),
),
$available_templates
) : $available_templates;
// Media settings.
$max_upload_size = wp_max_upload_size();
if ( ! $max_upload_size ) {
$max_upload_size = 0;
}
// Editor Styles.
$styles = array(
array(
'css' => file_get_contents(
ABSPATH . WPINC . '/css/dist/editor/editor-styles.css'
),
),
);
/* translators: Use this to specify the CSS font family for the default font. */
$locale_font_family = esc_html_x( 'Noto Serif', 'CSS Font Family for Editor Font' );
$styles[] = array(
'css' => "body { font-family: '$locale_font_family' }",
);
if ( $editor_styles && current_theme_supports( 'editor-styles' ) ) {
foreach ( $editor_styles as $style ) {
if ( preg_match( '~^(https?:)?//~', $style ) ) {
$response = wp_remote_get( $style );
if ( ! is_wp_error( $response ) ) {
$styles[] = array(
'css' => wp_remote_retrieve_body( $response ),
);
}
} else {
$file = get_theme_file_path( $style );
if ( is_file( $file ) ) {
$styles[] = array(
'css' => file_get_contents( $file ),
'baseURL' => get_theme_file_uri( $style ),
);
}
}
}
}
// Image sizes.
/** This filter is documented in wp-admin/includes/media.php */
$image_size_names = apply_filters(
'image_size_names_choose',
array(
'thumbnail' => __( 'Thumbnail' ),
'medium' => __( 'Medium' ),
'large' => __( 'Large' ),
'full' => __( 'Full Size' ),
)
);
$available_image_sizes = array();
foreach ( $image_size_names as $image_size_slug => $image_size_name ) {
$available_image_sizes[] = array(
'slug' => $image_size_slug,
'name' => $image_size_name,
);
}
$image_dimensions = array();
$all_sizes = wp_get_registered_image_subsizes();
foreach ( $available_image_sizes as $size ) {
$key = $size['slug'];
if ( isset( $all_sizes[ $key ] ) ) {
$image_dimensions[ $key ] = $all_sizes[ $key ];
}
}
// Lock settings.
$user_id = wp_check_post_lock( $post->ID );
if ( $user_id ) {
$locked = false;
/** This filter is documented in wp-admin/includes/post.php */
if ( apply_filters( 'show_post_locked_dialog', true, $post, $user_id ) ) {
$locked = true;
}
$user_details = null;
if ( $locked ) {
$user = get_userdata( $user_id );
$user_details = array(
'name' => $user->display_name,
);
$avatar = get_avatar_url( $user_id, array( 'size' => 64 ) );
}
$lock_details = array(
'isLocked' => $locked,
'user' => $user_details,
);
} else {
// Lock the post.
$active_post_lock = wp_set_post_lock( $post->ID );
if ( $active_post_lock ) {
$active_post_lock = esc_attr( implode( ':', $active_post_lock ) );
}
$lock_details = array(
'isLocked' => false,
'activePostLock' => $active_post_lock,
);
}
/**
* Filters the body placeholder text.
*
* @since 5.0.0
*
* @param string $text Placeholder text. Default 'Start writing or type / to choose a block'. * @param WP_Post $post Post object.
*/
$body_placeholder = apply_filters( 'write_your_story', __( 'Start writing or type / to choose a block' ), $post );
$editor_settings = array(
'alignWide' => $align_wide,
'availableTemplates' => $available_templates,
'allowedBlockTypes' => $allowed_block_types,
'disableCustomColors' => get_theme_support( 'disable-custom-colors' ),
'disableCustomFontSizes' => get_theme_support( 'disable-custom-font-sizes' ),
'disableCustomGradients' => get_theme_support( 'disable-custom-gradients' ),
'disablePostFormats' => ! current_theme_supports( 'post-formats' ),
/** This filter is documented in wp-admin/edit-form-advanced.php */
'titlePlaceholder' => apply_filters( 'enter_title_here', __( 'Add title' ), $post ),
'bodyPlaceholder' => $body_placeholder,
'isRTL' => is_rtl(),
'autosaveInterval' => AUTOSAVE_INTERVAL,
'maxUploadFileSize' => $max_upload_size,
'allowedMimeTypes' => get_allowed_mime_types(),
'styles' => $styles,
'imageSizes' => $available_image_sizes,
'imageDimensions' => $image_dimensions,
'richEditingEnabled' => user_can_richedit(),
'postLock' => $lock_details,
'postLockUtils' => array(
'nonce' => wp_create_nonce( 'lock-post_' . $post->ID ),
'unlockNonce' => wp_create_nonce( 'update-post_' . $post->ID ),
'ajaxUrl' => admin_url( 'admin-ajax.php' ),
),
// Whether or not to load the 'postcustom' meta box is stored as a user meta
// field so that we're not always loading its assets.
'enableCustomFields' => (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ),
);
$autosave = wp_get_post_autosave( $post_ID );
if ( $autosave ) {
if ( mysql2date( 'U', $autosave->post_modified_gmt, false ) > mysql2date( 'U', $post->post_modified_gmt, false ) ) {
$editor_settings['autosave'] = array(
'editLink' => get_edit_post_link( $autosave->ID ),
);
} else {
wp_delete_post_revision( $autosave->ID );
}
}
if ( false !== $color_palette ) {
$editor_settings['colors'] = $color_palette;
}
if ( false !== $font_sizes ) {
$editor_settings['fontSizes'] = $font_sizes;
}
if ( false !== $gradient_presets ) {
$editor_settings['gradients'] = $gradient_presets;
}
if ( ! empty( $post_type_object->template ) ) {
$editor_settings['template'] = $post_type_object->template;
$editor_settings['templateLock'] = ! empty( $post_type_object->template_lock ) ? $post_type_object->template_lock : false;
}
// If there's no template set on a new post, use the post format, instead.
if ( $is_new_post && ! isset( $editor_settings['template'] ) && 'post' === $post->post_type ) {
$post_format = get_post_format( $post );
if ( in_array( $post_format, array( 'audio', 'gallery', 'image', 'quote', 'video' ), true ) ) {
$editor_settings['template'] = array( array( "core/$post_format" ) );
}
}
/**
* Scripts
*/
wp_enqueue_media(
array(
'post' => $post->ID,
)
);
wp_tinymce_inline_scripts();
wp_enqueue_editor();
/**
* Styles
*/
wp_enqueue_style( 'wp-edit-post' );
wp_enqueue_style( 'wp-format-library' );
/**
* Fires after block assets have been enqueued for the editing interface.
*
* Call `add_action` on any hook before 'admin_enqueue_scripts'.
*
* In the function call you supply, simply use `wp_enqueue_script` and
* `wp_enqueue_style` to add your functionality to the block editor.
*
* @since 5.0.0
*/
do_action( 'enqueue_block_editor_assets' );
// In order to duplicate classic meta box behaviour, we need to run the classic meta box actions.
require_once ABSPATH . 'wp-admin/includes/meta-boxes.php';
register_and_do_post_meta_boxes( $post );
// Check if the Custom Fields meta box has been removed at some point.
$core_meta_boxes = $wp_meta_boxes[ $current_screen->id ]['normal']['core'];
if ( ! isset( $core_meta_boxes['postcustom'] ) || ! $core_meta_boxes['postcustom'] ) {
unset( $editor_settings['enableCustomFields'] );
}
/**
* Filters the settings to pass to the block editor.
*
* @since 5.0.0
*
* @param array $editor_settings Default editor settings.
* @param WP_Post $post Post being edited.
*/
$editor_settings = apply_filters( 'block_editor_settings', $editor_settings, $post );
$init_script = <<<JS
( function() {
window._wpLoadBlockEditor = new Promise( function( resolve ) {
wp.domReady( function() {
resolve( wp.editPost.initializeEditor( 'editor', "%s", %d, %s, %s ) );
} );
} );
} )();
JS;
$script = sprintf(
$init_script,
$post->post_type,
$post->ID,
wp_json_encode( $editor_settings ),
wp_json_encode( $initial_edits )
);
wp_add_inline_script( 'wp-edit-post', $script );
require_once ABSPATH . 'wp-admin/admin-header.php';?>
<div class="block-editor">
<h1 class="screen-reader-text hide-if-no-js"><?php echo esc_html( $title ); ?></h1>
<div id="editor" class="block-editor__container hide-if-no-js"></div>
<div id="metaboxes" class="hidden">
<?php the_block_editor_meta_boxes(); ?>
</div>
<?php // JavaScript is disabled. ?>
<div class="wrap hide-if-js block-editor-no-js">
<h1 class="wp-heading-inline"><?php echo esc_html( $title ); ?></h1>
<div class="notice notice-error notice-alt">
<p>
<?php
$message = sprintf(
/* translators: %s: A link to install the Classic Editor plugin. */
__( 'The block editor requires JavaScript. Please enable JavaScript in your browser settings, or try the <a href="%s">Classic Editor plugin</a>.' ),
esc_url( wp_nonce_url( self_admin_url( 'plugin-install.php?tab=favorites&user=wordpressdotorg&save=0' ), 'save_wporg_username_' . get_current_user_id() ) )
);
/**
* Filters the message displayed in the block editor interface when JavaScript is
* not enabled in the browser.
*
* @since 5.0.3
*
* @param string $message The message being displayed.
* @param WP_Post $post The post being edited.
*/
echo apply_filters( 'block_editor_no_javascript_message', $message, $post );
?>
</p>
</div>
</div>
</div>