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<?php
/**
* Handles the settings screen.
*
* @package Members
* @subpackage Admin
* @author Justin Tadlock <justintadlock@gmail.com>
* @copyright Copyright (c) 2009 - 2018, Justin Tadlock
* @link https://themehybrid.com/plugins/members
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
*/
namespace Members\Admin;
/**
* Sets up and handles the plugin settings screen.
*
* @since 1.0.0
* @access public
*/
final class Settings_Page {
/**
* Admin page name/ID.
*
* @since 2.0.0
* @access public
* @var string
*/
public $name = 'members-settings';
/**
* Settings page name.
*
* @since 1.0.0
* @access public
* @var string
*/
public $settings_page = '';
/**
* Holds an array the settings page views.
*
* @since 2.0.0
* @access public
* @var array
*/
public $views = array();
/**
* Returns the instance.
*
* @since 1.0.0
* @access public
* @return object
*/
public static function get_instance() {
static $instance = null;
if ( is_null( $instance ) ) {
$instance = new self;
$instance->includes();
$instance->setup_actions();
}
return $instance;
}
/**
* Constructor method.
*
* @since 1.0.0
* @access public
* @return void
*/
private function __construct() {}
/**
* Loads settings files.
*
* @since 2.0.0
* @access private
* @return void
*/
private function includes() {
// Include the settings functions.
require_once( members_plugin()->dir . 'admin/functions-settings.php' );
// Load settings view classes.
require_once( members_plugin()->dir . 'admin/views/class-view.php' );
require_once( members_plugin()->dir . 'admin/views/class-view-general.php' );
require_once( members_plugin()->dir . 'admin/views/class-view-addons.php' );
require_once( members_plugin()->dir . 'admin/views/class-view-donate.php' );
}
/**
* Sets up initial actions.
*
* @since 2.0.0
* @access private
* @return void
*/
private function setup_actions() {
add_action( 'admin_menu', array( $this, 'admin_menu' ) );
}
/**
* Register a view.
*
* @since 2.0.0
* @access public
* @param object $view
* @return void
*/
public function register_view( $view ) {
if ( ! $this->view_exists( $view->name ) )
$this->views[ $view->name ] = $view;
}
/**
* Unregister a view.
*
* @since 2.0.0
* @access public
* @param string $name
* @return void
*/
public function unregister_view( $name ) {
if ( $this->view_exists( $name ) )
unset( $this->view[ $name ] );
}
/**
* Get a view object
*
* @since 2.0.0
* @access public
* @param string $name
* @return object
*/
public function get_view( $name ) {
return $this->view_exists( $name ) ? $this->views[ $name ] : false;
}
/**
* Check if a view exists.
*
* @since 2.0.0
* @access public
* @param string $name
* @return bool
*/
public function view_exists( $name ) {
return isset( $this->views[ $name ] );
}
/**
* Sets up custom admin menus.
*
* @since 1.0.0
* @access public
* @return void
*/
public function admin_menu() {
// Create the settings page.
$this->settings_page = add_options_page(
esc_html_x( 'Members', 'admin screen', 'members' ),
esc_html_x( 'Members', 'admin screen', 'members' ),
apply_filters( 'members_settings_capability', 'manage_options' ),
$this->name,
array( $this, 'settings_page' )
);
if ( $this->settings_page ) {
do_action( 'members_register_settings_views', $this );
uasort( $this->views, 'members_priority_sort' );
// Register setings.
add_action( 'admin_init', array( $this, 'register_settings' ) );
// Page load callback.
add_action( "load-{$this->settings_page}", array( $this, 'load' ) );
// Enqueue scripts/styles.
add_action( 'admin_enqueue_scripts', array( $this, 'enqueue' ) );
}
}
/**
* Runs on page load.
*
* @since 2.0.0
* @access public
* @return void
*/
public function load() {
// Print custom styles.
add_action( 'admin_head', array( $this, 'print_styles' ) );
// Add help tabs for the current view.
$view = $this->get_view( members_get_current_settings_view() );
if ( $view ) {
$view->load();
$view->add_help_tabs();
}
}
/**
* Print styles to the header.
*
* @since 2.0.0
* @access public
* @return void
*/
public function print_styles() { ?>
<style type="text/css">
.settings_page_members-settings .wp-filter { margin-bottom: 15px; }
</style>
<?php }
/**
* Enqueue scripts/styles.
*
* @since 1.0.0
* @access public
* @param string $hook_suffix
* @return void
*/
public function enqueue( $hook_suffix ) {
if ( $this->settings_page !== $hook_suffix )
return;
$view = $this->get_view( members_get_current_settings_view() );
if ( $view )
$view->enqueue();
}
/**
* Registers the plugin settings.
*
* @since 1.0.0
* @access public
* @return void
*/
function register_settings() {
foreach ( $this->views as $view )
$view->register_settings();
}
/**
* Renders the settings page.
*
* @since 1.0.0
* @access public
* @return void
*/
public function settings_page() { ?>
<div class="wrap">
<h1><?php echo esc_html_x( 'Members', 'admin screen', 'members' ); ?></h1>
<div class="wp-filter">
<?php $this->filter_links(); ?>
</div>
<?php $this->get_view( members_get_current_settings_view() )->template(); ?>
</div><!-- wrap -->
<?php }
/**
* Outputs the list of views.
*
* @since 2.0.0
* @access public
* @return void
*/
private function filter_links() { ?>
<ul class="filter-links">
<?php foreach ( $this->views as $view ) :
// Determine current class.
$class = $view->name === members_get_current_settings_view() ? 'class="current"' : '';
// Get the URL.
$url = members_get_settings_view_url( $view->name );
if ( 'general' === $view->name )
$url = remove_query_arg( 'view', $url ); ?>
<li class="<?php echo sanitize_html_class( $view->name ); ?>">
<a href="<?php echo esc_url( $url ); ?>" <?php echo $class; ?>><?php echo esc_html( $view->label ); ?></a>
</li>
<?php endforeach; ?>
</ul>
<?php }
/**
* Adds help tabs.
*
* @since 1.0.0
* @deprecated 2.0.0
* @access public
* @return void
*/
public function add_help_tabs() {}
}
Settings_Page::get_instance();