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<?php
// Shared logic between Jetpack admin pages
abstract class Jetpack_Admin_Page {
// Add page specific actions given the page hook
abstract function add_page_actions( $hook );
// Create a menu item for the page and returns the hook
abstract function get_page_hook();
// Enqueue and localize page specific scripts
abstract function page_admin_scripts();
// Render page specific HTML
abstract function page_render();
/**
* Function called after admin_styles to load any additional needed styles.
*
* @since 4.3.0
*/
function additional_styles() {}
function __construct() {
$this->jetpack = Jetpack::init();
}
function add_actions() {
/**
* Don't add in the modules page unless modules are available!
*/
if ( $this->dont_show_if_not_active && ! Jetpack::is_active() && ! Jetpack::is_development_mode() ) {
return;
}
// Initialize menu item for the page in the admin
$hook = $this->get_page_hook();
// Attach hooks common to all Jetpack admin pages based on the created
// hook
add_action( "load-$hook", array( $this, 'admin_help' ) );
add_action( "load-$hook", array( $this, 'admin_page_load' ) );
add_action( "admin_head-$hook", array( $this, 'admin_head' ) );
add_action( "admin_print_styles-$hook", array( $this, 'admin_styles' ) );
add_action( "admin_print_scripts-$hook", array( $this, 'admin_scripts' ) );
// Attach page specific actions in addition to the above
$this->add_page_actions( $hook );
}
function admin_head() {
if ( isset( $_GET['configure'] ) && Jetpack::is_module( $_GET['configure'] ) && current_user_can( 'manage_options' ) ) {
/**
* Fires in the <head> of a particular Jetpack configuation page.
*
* The dynamic portion of the hook name, `$_GET['configure']`,
* refers to the slug of module, such as 'stats', 'sso', etc.
* A complete hook for the latter would be
* 'jetpack_module_configuation_head_sso'.
*
* @since 3.0.0
*/
do_action( 'jetpack_module_configuration_head_' . $_GET['configure'] );
}
}
// Render the page with a common top and bottom part, and page specific content
function render() {
$this->page_render();
}
function admin_help() {
$this->jetpack->admin_help();
}
function admin_page_load() {
// This is big. For the moment, just call the existing one.
$this->jetpack->admin_page_load();
}
function admin_page_top() {
include_once( JETPACK__PLUGIN_DIR . '_inc/header.php' );
}
function admin_page_bottom() {
include_once( JETPACK__PLUGIN_DIR . '_inc/footer.php' );
}
// Add page specific scripts and jetpack stats for all menu pages
function admin_scripts() {
$this->page_admin_scripts(); // Delegate to inheriting class
add_action( 'admin_footer', array( $this->jetpack, 'do_stats' ) );
}
// Enqueue the Jetpack admin stylesheet
function admin_styles() {
$min = ( defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ) ? '' : '.min';
wp_enqueue_style( 'jetpack-admin', plugins_url( "css/jetpack-admin{$min}.css", JETPACK__PLUGIN_FILE ), array( 'genericons' ), JETPACK__VERSION . '-20121016' );
wp_style_add_data( 'jetpack-admin', 'rtl', 'replace' );
wp_style_add_data( 'jetpack-admin', 'suffix', $min );
$this->additional_styles();
}
function is_wp_version_too_old() {
global $wp_version;
return ( ! function_exists( 'rest_api_init' ) || version_compare( $wp_version, '4.4-z', '<=' ) );
}
}
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