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<?php
/**
* Bootstraping the Gutenberg widgets page.
*
* @package gutenberg
*/
/**
* The main entry point for the Gutenberg widgets page.
*
* @since 5.2.0
*/
function the_gutenberg_widgets() {
?>
<div
id="widgets-editor"
class="blocks-widgets-container"
>
</div>
<?php
}
/**
* Initialize the Gutenberg widgets page.
*
* @since 5.2.0
*
* @param string $hook Page.
*/
function gutenberg_widgets_init( $hook ) {
if ( 'widgets.php' === $hook ) {
wp_enqueue_style( 'wp-block-library' );
wp_enqueue_style( 'wp-block-library-theme' );
wp_add_inline_style(
'wp-block-library-theme',
'.block-widget-form .widget-control-save { display: none; }'
);
return;
}
if ( ! in_array( $hook, array( 'appearance_page_gutenberg-widgets' ), true ) ) {
return;
}
$initializer_name = 'initialize';
$settings = array_merge(
gutenberg_get_common_block_editor_settings(),
gutenberg_get_legacy_widget_settings()
);
// This purposefully does not rely on apply_filters( 'block_editor_settings', $settings, null );
// Applying that filter would bring over multitude of features from the post editor, some of which
// may be undesirable. Instead of using that filter, we simply pick just the settings that are needed.
$settings = gutenberg_experimental_global_styles_settings( $settings );
$settings = gutenberg_extend_block_editor_styles( $settings );
$preload_paths = array(
array( '/wp/v2/media', 'OPTIONS' ),
'/wp/v2/sidebars?context=edit&per_page=-1',
'/wp/v2/widgets?context=edit&per_page=-1',
);
$preload_data = array_reduce(
$preload_paths,
'rest_preload_api_request',
array()
);
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-edit-widgets',
sprintf(
'wp.domReady( function() {
wp.editWidgets.%s( "widgets-editor", %s );
} );',
$initializer_name,
wp_json_encode( $settings )
)
);
// Preload server-registered block schemas.
wp_add_inline_script(
'wp-blocks',
'wp.blocks.unstable__bootstrapServerSideBlockDefinitions(' . wp_json_encode( get_block_editor_server_block_settings() ) . ');'
);
wp_enqueue_script( 'wp-edit-widgets' );
wp_enqueue_script( 'admin-widgets' );
wp_enqueue_script( 'wp-format-library' );
wp_enqueue_style( 'wp-edit-widgets' );
wp_enqueue_style( 'wp-format-library' );
}
add_action( 'admin_enqueue_scripts', 'gutenberg_widgets_init' );
/**
* Tells the script loader to load the scripts and styles of custom block on widgets editor screen.
*
* @param bool $is_block_editor_screen Current decision about loading block assets.
* @return bool Filtered decision about loading block assets.
*/
function gutenberg_widgets_editor_load_block_editor_scripts_and_styles( $is_block_editor_screen ) {
if ( is_callable( 'get_current_screen' ) && 'appearance_page_gutenberg-widgets' === get_current_screen()->base ) {
return true;
}
return $is_block_editor_screen;
}
add_filter( 'should_load_block_editor_scripts_and_styles', 'gutenberg_widgets_editor_load_block_editor_scripts_and_styles' );
/**
* Show responsive embeds correctly on the widgets screen by adding the wp-embed-responsive class.
*
* @param string $classes existing admin body classes.
*
* @return string admin body classes including the wp-embed-responsive class.
*/
function gutenberg_widgets_editor_add_responsive_embed_body_class( $classes ) {
return "$classes wp-embed-responsive";
}
add_filter( 'admin_body_class', 'gutenberg_widgets_editor_add_responsive_embed_body_class' );
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