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@mrpritchett
Last active August 14, 2019 17:16
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Gutenberg Reusable Block Editor Interface
function custom_add_interface_to_wp_block( $args, $post_type ) {
if ( 'wp_block' === $post_type ) {
$args['supports'] = array( 'title, 'editor' );
$args['show_in_rest'] = true;
$args['show_in_menu'] = true;
if ( strstr( $_SERVER['REQUEST_URI'], 'wp-admin/post-new.php' ) || strstr( $_SERVER['REQUEST_URI'], 'wp-admin/post.php' ) ) {
$args['rest_controller_class'] = 'WP_REST_Posts_Controller';
} else {
$args['rest_controller_class'] = 'WP_REST_Blocks_Controller';
}
}
return $args;
}
add_filter( 'register_post_type_args', 'custom_add_interface_to_wp_block', 10, 2 );
@mrpritchett
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This code adds a menu item in the WP Admin menu for reusable blocks, it also turns the editor on for those blocks (it's off by default and the blocks aren't editable in a global scope by default) so they can be edited in a global scope from their own UI rather than on the page or post where they were first created.

@mrpritchett
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mrpritchett commented Oct 2, 2018

NOTE: The controller is still wrong. If you use the Blocks controller, you cannot edit the block within the new view. If you use the Posts controller, the blocks don't work on their intended posts/pages. I'm still working on a solution for this and will updated when I have one.

@mrpritchett
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I have updated this. It now works in all places, but I'd rather not see anyone use those conditionals. :( Still searching for a CONTROLLER specific solution.

@slimmilkduds
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I've tried to this today but it leaves me with a HTTP ERROR 500. Is there anything else that needs to be added to functions.php?

@slimmilkduds
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hmm, now it works all of the sudden, not sure why it didn't before

@apermo
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apermo commented Oct 15, 2018

Hi,

I used it and did some addaptions for me.

function filter_props( $args, $name ) {
		global $pagenow;

		if ( 'wp_block' !== $name ) {
			return $args;
		}

		$changed_args = array(
			'show_ui'             => true,
			'show_in_menu'        => true,
			'menu_position'       => 9,
			'menu_icon'           => 'dashicons-controls-repeat',
			'show_in_admin_bar'   => false,
			'show_in_nav_menus'   => false,
			'has_archive'         => false,
			'supports'            => array( 'title', 'editor' ),
			'exclude_from_search' => true,
		);

		$args = array_merge( $args, $changed_args );

		$allowed_pages = [ 'post-new.php', 'post.php' ];
		if ( in_array( $pagenow, $allowed_pages, true ) ) {
			$args['rest_controller_class'] = 'WP_REST_Posts_Controller';
		}

		return $args;
	}

Some args might be redundant, but especially the use of the global $pagenow is definitely better than accessing the $_SERVER superglobal.

Cheers :)

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