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<?php
namespace Code_Snippets\Admin\Menus;
use function Code_Snippets\code_snippets;
/**
* Base class for a plugin admin menu.
*/
abstract class Admin_Menu {
/**
* The snippet page short name.
*
* @var string
*/
public string $name;
/**
* The label shown in the admin menu.
*
* @var string
*/
public string $label;
/**
* The text used for the page title.
*
* @var string
*/
public string $title;
/**
* The base slug for the top-level admin menu.
*
* @var string
*/
protected string $base_slug;
/**
* The slug for this admin menu.
*
* @var string
*/
protected string $slug;
/**
* Common JavaScript dependencies required for React components.
*
* @var string[]
*/
public static array $script_deps = [
'react',
'react-dom',
'react-jsx-runtime',
'wp-url',
'wp-i18n',
'wp-date',
'wp-element',
'wp-components',
];
/**
* Common CSS dependencies required for React components.
*
* @var string[]
*/
public static array $style_deps = [
'wp-components',
];
/**
* Constructor.
*
* @param string $name The snippet page short name.
* @param string $label The label shown in the admin menu.
* @param string $title The text used for the page title.
*/
public function __construct( string $name, string $label, string $title ) {
$this->name = $name;
$this->label = $label;
$this->title = $title;
$this->base_slug = code_snippets()->get_menu_slug();
$this->slug = code_snippets()->get_menu_slug( $name );
if ( ! code_snippets()->is_compact_menu() ) {
add_action( 'admin_menu', array( $this, 'register' ) );
add_action( 'network_admin_menu', array( $this, 'register' ) );
}
}
/**
* Add a sub-menu to the Snippets menu.
*
* @param string $slug Menu slug.
* @param string $label Label shown in admin menu.
* @param string $title Page title.
*
* @return void
*/
public function add_menu( string $slug, string $label, string $title ) {
$hook = add_submenu_page(
$this->base_slug,
$title,
$label,
code_snippets()->get_cap(),
$slug,
array( $this, 'render' )
);
add_action( 'load-' . $hook, array( $this, 'load' ) );
}
/**
* Register the admin menu
*/
public function register() {
$this->add_menu( $this->slug, $this->label, $this->title );
}
/**
* Retrieve the WordPress hookname computed for this menu's admin page.
*
* @return string
*/
public function get_hookname(): string {
return get_plugin_page_hookname( $this->slug, $this->base_slug );
}
/**
* Retrieve every WordPress hookname registered by this menu, including any
* additional pages it registers beyond its primary slug.
*
* @return string[]
*/
public function get_hooknames(): array {
return [ $this->get_hookname() ];
}
/**
* Render the navigation bar at the top of the admin page.
*/
protected function render_navigation() {
echo '<div id="code-snippets-toolbar-container"></div>';
}
/**
* Render the menu
*/
abstract public function render();
/**
* Executed when the admin page is loaded
*/
public function load() {
// Make sure the user has permission to be here.
if ( ! current_user_can( code_snippets()->get_cap() ) ) {
wp_die( esc_html__( 'You are not authorized to access this page.', 'code-snippets' ) );
}
// Create the snippet tables if they are missing.
$db = code_snippets()->db;
if ( is_multisite() ) {
$db->create_missing_table( $db->ms_table );
}
$db->create_missing_table( $db->table );
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_assets' ) );
}
/**
* Enqueue scripts and stylesheets for the admin page, if necessary
*/
abstract public function enqueue_assets();
}