public function __construct($args = array())
 {
     $screen = WP_Screen::get(Tribe__Events__Aggregator__Records::$post_type);
     $default = array('screen' => $screen, 'tab' => Tribe__Events__Aggregator__Tabs::instance()->get_active());
     $args = wp_parse_args($args, $default);
     parent::__construct($args);
     // Set Current Tab
     $this->tab = $args['tab'];
     // Set page Instance
     $this->page = Tribe__Events__Aggregator__Page::instance();
     // Set current user
     $this->user = wp_get_current_user();
 }

 /**
  * This function adds help tabs and a help sidebar to a screen.
  *
  * @since 0.5.0
  * @param WP_Screen $screen the screen to add the help data to
  * @param array $data help tabs and sidebar (if specified)
  */
 public static function render_help($screen, $data)
 {
     foreach ($data['tabs'] as $slug => $tab) {
         $args = array_merge(array('id' => $slug), $tab);
         $screen->add_help_tab($args);
     }
     if (!empty($data['sidebar'])) {
         $screen->set_help_sidebar($data['sidebar']);
     }
 }

 /**
  * Screen option value.
  *
  * @since 141111 First documented version.
  *
  * @param \WP_Screen $screen  A screen object instance.
  * @param string     $option  The screen option to get.
  * @param int        $user_id A specific user ID. Defaults to `NULL`.
  *                            A `NULL` value indicates the current user.
  *
  * @return mixed The screen option value; only if not empty; and only it has a valid data type.
  *               If empty, or not the same data type as the default value; returns the default value.
  */
 public function screenOption(\WP_Screen $screen, $option, $user_id = null)
 {
     $user_id = $this->issetOr($user_id, (int) get_current_user_id(), 'integer');
     $value = get_user_meta($user_id, $screen->get_option($option, 'option'), true);
     $default_value = $screen->get_option($option, 'default');
     if (!$value || gettype($value) !== gettype($default_value)) {
         $value = $default_value;
     }
     return $value;
 }

	public function create_help_screen() {
		global $wp_list_table,$sitemember_screen_manage;
		
	/* 	if($_REQUEST['action']=='view'){
			$wp_list_table = new members_list_Table();
			$this->admin_screen = WP_Screen::get($this->admin_page);
			//$event_per_page = get_option( 'horse_racing_events_per_page', 10 );
			$this->admin_screen->add_option(
				'per_page', 
				array(
					'label' => 'Price per page', 
					'default' => 10, 
					'option' => 'edit_per_page'
				)
			);
		}*/
		
		$wp_list_table = new members_list_Table();
		$this->admin_screen = WP_Screen::get($sitemember_screen_manage[site_members::levelID()]);
		$this->admin_screen->add_option(
			'per_page', 
			array(
				'label' => 'List per page', 
				'default' => 10, 
				'option' => 'list_per_page'
			)
		);
	}

 /**
  * Render screen options for Menus.
  *
  * @since 4.3.0
  * @access public
  */
 public function render_screen_options()
 {
     // Essentially adds the screen options.
     add_filter('manage_nav-menus_columns', array($this, 'wp_nav_menu_manage_columns'));
     // Display screen options.
     $screen = WP_Screen::get('nav-menus.php');
     $screen->render_screen_options(array('wrap' => false));
 }

 /**
  * Applies the new sidebar contents based on loaded files.
  *
  * This should be called during WordPress's `admin_head` hook.
  *
  * @link https://developer.wordpress.org/reference/hooks/admin_head/
  *
  * @uses Parsedown::text()
  * @uses WP_Screen::get_help_sidebar()
  * @uses WP_Screen::set_help_sidebar()
  *
  * @return @void
  */
 public function applySidebar()
 {
     foreach ($this->_sidebar_files as $file) {
         if (is_readable($file)) {
             $this->_screen->set_help_sidebar($this->_screen->get_help_sidebar() . $this->get_parsedown()->text(file_get_contents($file)));
         }
     }
 }

 /**
  * Render screen options for Menus.
  *
  * @since 4.3.0
  * @access public
  */
 public function render_screen_options()
 {
     // Adds the screen options.
     require_once ABSPATH . 'wp-admin/includes/nav-menu.php';
     add_filter('manage_nav-menus_columns', 'wp_nav_menu_manage_columns');
     // Display screen options.
     $screen = WP_Screen::get('nav-menus.php');
     $screen->render_screen_options(array('wrap' => false));
 }

 /**
  * Adds Screen Options for This Tab
  *
  * @return void
  */
 public function action_screen_options($screen)
 {
     if (!$this->is_active()) {
         return;
     }
     $record_screen = WP_Screen::get(Tribe__Events__Aggregator__Records::$post_type);
     $args = array('label' => esc_html__('Records per page', 'the-events-calendar'), 'default' => 10, 'option' => 'tribe_records_scheduled_per_page');
     $record_screen->add_option('per_page', $args);
     $screen->add_option('per_page', $args);
 }

        public function create_help_screen()
        {
            $current_screen = get_current_screen();
            $this->admin_screen = WP_Screen::get($current_screen);
            $this->admin_screen->add_help_tab(array('title' => __('Similar Settings', WP_ULIKE_SLUG), 'id' => 'overview_tab', 'content' => '<p>' . __('WP ULike plugin allows to integrate a beautiful Ajax Like Button into your wordPress website to allow your visitors to like and unlike pages, posts, comments AND buddypress activities. Its very simple to use and supports many options.', WP_ULIKE_SLUG) . '</p>' . '<p>' . '<strong>' . __('Logging Method', WP_ULIKE_SLUG) . ' : </strong></p>' . '<ul>' . '<li>' . __('If you select <strong>"Do Not Log"</strong> method: Any data logs can\'t save, There is no limitation in the like/dislike, unlike/undislike capacity do not work', WP_ULIKE_SLUG) . '</li>' . '<li>' . __('If you select <strong>"Logged By Cookie"</strong> method: Any data logs can\'t save, The like/dislike condition will be limited by SetCookie, unlike/undislike capacity do not work', WP_ULIKE_SLUG) . '</li>' . '<li>' . __('If you select <strong>"Logged By IP"</strong> method: Data logs will save for all users, the convey of like/dislike condition will check by user IP', WP_ULIKE_SLUG) . '</li>' . '<li>' . __('If you select <strong>"Logged By Cookie & IP"</strong> method: Data logs will save for all users, the convey of like/dislike condition will check by user IP & SetCookie', WP_ULIKE_SLUG) . '</li>' . '<li>' . __('If you select <strong>"Logged By Username"</strong> method: data logs only is saved for registered users, the convey of like/dislike condition will check by username, There is no permission for guest users to unlike/undislike', WP_ULIKE_SLUG) . '</li>
			</ul>' . '<p>' . '<strong>' . __('Template Variables', WP_ULIKE_SLUG) . ' : </strong></p>' . '<ul>' . '<li>' . '<code>%START_WHILE%</code> : ' . __('Start the loop of logs', WP_ULIKE_SLUG) . ' <span style="color:red">(' . __('required', WP_ULIKE_SLUG) . ')</span></li>' . '<li>' . '<code>%END_WHILE%</code> : ' . __('End of the while loop', WP_ULIKE_SLUG) . ' <span style="color:red">(' . __('required', WP_ULIKE_SLUG) . ')</span></li>' . '<li>' . '<code>%USER_NAME%</code> : ' . __('Display the liker name', WP_ULIKE_SLUG) . '</li>' . '<li>' . '<code>%USER_AVATAR%</code> : ' . __('Display the liker avatar (By Gravatar)', WP_ULIKE_SLUG) . '</li>' . '<li>' . '<code>%BP_PROFILE_URL%</code> : ' . __('Display the BuddyPress user profile url', WP_ULIKE_SLUG) . '</li>' . '<li>' . '<code>%UM_PROFILE_URL%</code> : ' . __('Display the UltimateMemebr user profile url', WP_ULIKE_SLUG) . '</li><hr>' . '<li>' . '<code>%POST_LIKER%</code> : ' . __('Display the liker name', WP_ULIKE_SLUG) . '</li>' . '<li>' . '<code>%POST_PERMALINK%</code> : ' . __('Display the permalink', WP_ULIKE_SLUG) . '</li>' . '<li>' . '<code>%POST_COUNT%</code> : ' . __('Display the likes count number', WP_ULIKE_SLUG) . '</li>' . '<li>' . '<code>%POST_TITLE%</code> : ' . __('Display the post title', WP_ULIKE_SLUG) . '</li><hr>' . '<li>' . '<code>%COMMENT_LIKER%</code> : ' . __('Display the liker name', WP_ULIKE_SLUG) . '</li>' . '<li>' . '<code>%COMMENT_AUTHOR%</code> : ' . __('Display the comment author name', WP_ULIKE_SLUG) . '</li>' . '<li>' . '<code>%COMMENT_COUNT%</code> : ' . __('Display the likes count number', WP_ULIKE_SLUG) . '</li>' . '</ul>', 'callback' => false));
            $this->admin_screen->add_help_tab(array('title' => __('Posts', WP_ULIKE_SLUG), 'id' => 'posts_tab', 'content' => '<p>' . '<strong>' . __('Automatic display', WP_ULIKE_SLUG) . ' : </strong></p><ul><li>' . __('If you disable this option, you have to put manually this code on wordpress while loop', WP_ULIKE_SLUG) . '<br /><code dir="ltr">&lt;?php if(function_exists(\'wp_ulike\')) wp_ulike(\'get\'); ?&gt;</code>' . '</li></ul>' . '<p>' . '<strong>' . __('Users Like Box Template', WP_ULIKE_SLUG) . ' - ' . __('Default Template:', WP_ULIKE_SLUG) . ' </strong></p><ul><li><code>&lt;p style="margin-top:5px"&gt; ' . __('Users who have LIKED this post:', WP_ULIKE_SLUG) . '&lt;/p&gt; &lt;ul class="tiles"&gt;%START_WHILE%&lt;li&gt;&lt;a  href="%BP_PROFILE_URL%" class="user-tooltip" title="%USER_NAME%"&gt;%USER_AVATAR%&lt;/a&gt;&lt;/li&gt;%END_WHILE%&lt;/ul&gt;</code>' . '</li></ul>', 'callback' => false));
            $this->admin_screen->add_help_tab(array('title' => __('Comments', WP_ULIKE_SLUG), 'id' => 'comments_tab', 'content' => '<p>' . '<strong>' . __('Automatic display', WP_ULIKE_SLUG) . ' : </strong></p><ul><li>' . __('If you disable this option, you have to put manually this code on comments text', WP_ULIKE_SLUG) . '<br /><code dir="ltr">&lt;?php if(function_exists(\'wp_ulike_comments\')) wp_ulike_comments(\'get\'); ?&gt;</code>' . '</li></ul>' . '<p>' . '<strong>' . __('Users Like Box Template', WP_ULIKE_SLUG) . ' - ' . __('Default Template:', WP_ULIKE_SLUG) . ' </strong></p><ul><li><code>&lt;p style="margin-top:5px"&gt; ' . __('Users who have LIKED this comment:', WP_ULIKE_SLUG) . '&lt;/p&gt; &lt;ul class="tiles"&gt;%START_WHILE%&lt;li&gt;&lt;a  href="%BP_PROFILE_URL%" class="user-tooltip" title="%USER_NAME%"&gt;%USER_AVATAR%&lt;/a&gt;&lt;/li&gt;%END_WHILE%&lt;/ul&gt;</code>' . '</li></ul>', 'callback' => false));
            $this->admin_screen->add_help_tab(array('title' => __('BuddyPress', WP_ULIKE_SLUG), 'id' => 'bp_tab', 'content' => '<p>' . '<strong>' . __('Automatic display', WP_ULIKE_SLUG) . ' : </strong></p><ul><li>' . __('If you disable this option, you have to put manually this code on buddypres activities content', WP_ULIKE_SLUG) . '<br /><code dir="ltr">&lt;?php if(function_exists(\'wp_ulike_buddypress\')) wp_ulike_buddypress(\'get\'); ?&gt;</code>' . '</li></ul>' . '<p>' . '<strong>' . __('Users Like Box Template', WP_ULIKE_SLUG) . ' - ' . __('Default Template:', WP_ULIKE_SLUG) . ' </strong></p><ul><li><code>&lt;p style="margin-top:5px"&gt; ' . __('Users who have liked this activity:', WP_ULIKE_SLUG) . '&lt;/p&gt; &lt;ul class="tiles"&gt;%START_WHILE%&lt;li&gt;&lt;a  href="%BP_PROFILE_URL%" class="user-tooltip" title="%USER_NAME%"&gt;%USER_AVATAR%&lt;/a&gt;&lt;/li&gt;%END_WHILE%&lt;/ul&gt;</code>' . '</li></ul>' . '<p>' . '<strong>' . __('Post Activity Text', WP_ULIKE_SLUG) . ' - ' . __('Default Template:', WP_ULIKE_SLUG) . ' </strong></p><ul><li><code>&lt;strong&gt;%POST_LIKER%&lt;/strong&gt; liked &lt;a href="%POST_PERMALINK%" title="%POST_TITLE%"&gt;%POST_TITLE%&lt;/a&gt;. (So far, This post has &lt;span class="badge"&gt;%POST_COUNT%&lt;/span&gt; likes)</code>' . '</li></ul>' . '<p>' . '<strong>' . __('Comment Activity Text', WP_ULIKE_SLUG) . ' - ' . __('Default Template:', WP_ULIKE_SLUG) . ' </strong></p><ul><li><code>&lt;strong&gt;%COMMENT_LIKER%&lt;/strong&gt; liked &lt;strong&gt;%COMMENT_AUTHOR%&lt;/strong&gt; comment. (So far, %COMMENT_AUTHOR% has &lt;span class="badge"&gt;%COMMENT_COUNT%&lt;/span&gt; likes for this comment)</code>' . '</li></ul>', 'callback' => false));
            $this->admin_screen->add_help_tab(array('title' => __('bbPress', WP_ULIKE_SLUG), 'id' => 'bb_tab', 'content' => '<p>' . '<strong>' . __('Automatic display', WP_ULIKE_SLUG) . ' : </strong></p><ul><li>' . __('If you disable this option, you have to put manually this code on buddypres activities content', WP_ULIKE_SLUG) . '<br /><code dir="ltr">&lt;?php if(function_exists(\'wp_ulike_bbpress\')) wp_ulike_bbpress(\'get\'); ?&gt;</code>' . '</li></ul>' . '<p>' . '<strong>' . __('Users Like Box Template', WP_ULIKE_SLUG) . ' - ' . __('Default Template:', WP_ULIKE_SLUG) . ' </strong></p><ul><li><code>&lt;p style="margin-top:5px"&gt; ' . __('Users who have liked this activity:', WP_ULIKE_SLUG) . '&lt;/p&gt; &lt;ul class="tiles"&gt;%START_WHILE%&lt;li&gt;&lt;a  href="%BP_PROFILE_URL%" class="user-tooltip" title="%USER_NAME%"&gt;%USER_AVATAR%&lt;/a&gt;&lt;/li&gt;%END_WHILE%&lt;/ul&gt;</code>' . '</li></ul>', 'callback' => false));
            $this->admin_screen->set_help_sidebar('<p><strong>' . __('For more information:') . '</strong></p><p><a href="https://wordpress.org/plugins/wp-ulike/faq/" target="_blank">' . __('FAQ', WP_ULIKE_SLUG) . '</a></p><p><a href="https://wordpress.org/support/plugin/wp-ulike" target="_blank">' . __('Support', WP_ULIKE_SLUG) . '</a></p>');
        }

 function on_load()
 {
     $help_message = new help_message();
     $current_screen = get_current_screen();
     $this->pagehook = $current_screen->id;
     $admin_screen = WP_Screen::get($current_screen->id);
     /*Help option*/
     $admin_screen->add_help_tab(array('title' => __('help', 'WP-OliveCart'), 'id' => 'help_tab', 'content' => $help_message->message(), 'callback' => false));
     wp_enqueue_script('postbox');
     add_meta_box('show_box1', __('Other Items No1', 'WP-OliveCart'), array(&$this, 'show_box1'), $this->pagehook, 'normal', 'core');
     add_meta_box('show_box2', __('Other Items No2', 'WP-OliveCart'), array(&$this, 'show_box2'), $this->pagehook, 'normal', 'core');
     add_meta_box('show_box3', __('Other Items No3', 'WP-OliveCart'), array(&$this, 'show_box3'), $this->pagehook, 'normal', 'core');
 }

 function on_load()
 {
     $help_message = new help_message();
     $current_screen = get_current_screen();
     $this->pagehook = $current_screen->id;
     $admin_screen = WP_Screen::get($current_screen->id);
     /*Help option*/
     $admin_screen->add_help_tab(array('title' => __('help', 'WP-OliveCart'), 'id' => 'help_tab', 'content' => $help_message->message(), 'callback' => false));
     wp_enqueue_script('postbox');
     #add_meta_box( 'show_box1'  ,__('Create the "Pay with PayPal" button',  'WP-OliveCart'),
     #array(&$this, 'show_box1'),   $this->pagehook, 'normal', 'core');
     add_meta_box('show_box2', __('Custom Message (HTML Tags)', 'WP-OliveCart'), array(&$this, 'show_box2'), $this->pagehook, 'normal', 'core');
 }

 /**
  * Add Help Panel
  */
 function create_help_panel()
 {
     /**
      * Create the WP_Screen object against your admin page handle
      * This ensures we're working with the right admin page
      */
     $this->admin_screen = WP_Screen::get($this->admin_page);
     /**
      * Content specified inline
      */
     $this->admin_screen->add_help_tab(array('title' => __('About Plugin', 'wp-github-gist'), 'id' => 'about_tab', 'content' => '<p>' . __("WP Github Gist WordPress Plugin, provides the ability to embed gist and files from Github in your blog posts or pages. Even though Github doesn't provide a way to embed files, this Plugin still works by using the gist-it service.", 'wp-github-gist') . '</p>', 'callback' => false));
     // Add help sidebar
     $this->admin_screen->set_help_sidebar('<p><strong>' . __('More information', 'wp-github-gist') . '</strong></p>' . '<p><a href = "http://sudarmuthu.com/wordpress/wp-github-gist">' . __('Plugin Homepage/support', 'wp-github-gist') . '</a></p>' . '<p><a href = "http://sudarmuthu.com/blog">' . __("Plugin author's blog", 'wp-github-gist') . '</a></p>' . '<p><a href = "http://sudarmuthu.com/wordpress/">' . __("Other Plugin's by Author", 'wp-github-gist') . '</a></p>');
 }

 function on_load()
 {
     $help_message = new help_message();
     $current_screen = get_current_screen();
     $admin_screen = WP_Screen::get($current_screen->id);
     $this->pagehook = $current_screen->id;
     /*Help option*/
     $admin_screen->add_help_tab(array('title' => __('help', 'WP-OliveCart'), 'id' => 'help_tab', 'content' => $help_message->message(), 'callback' => false));
     wp_enqueue_script('postbox');
     #if(WPLANG == 'ja'){
     #add_meta_box( 'pref_postage_setup'  ,__('Pref Postage Setup','WP-OliveCart'),
     #array(&$this, 'pref_postage_setup'),   $this->pagehook, 'normal', 'core');
     #}
     add_meta_box('total_postage_setup', __('Total Postage Setup', 'WP-OliveCart'), array(&$this, 'total_postage_setup'), $this->pagehook, 'normal', 'core');
 }

 function on_load()
 {
     $help_message = new help_message();
     $current_screen = get_current_screen();
     $this->pagehook = $current_screen->id;
     $admin_screen = WP_Screen::get($current_screen->id);
     /*Help option*/
     $admin_screen->add_help_tab(array('title' => __('help', 'WP-OliveCart'), 'id' => 'help_tab', 'content' => $help_message->message(), 'callback' => false));
     wp_enqueue_script('postbox');
     add_meta_box('show_box1', __('Mobile Theme Setup', 'WP-OliveCart'), array(&$this, 'show_box1'), $this->pagehook, 'normal', 'core');
     add_meta_box('show_box2', __('Cart Security Setup', 'WP-OliveCart'), array(&$this, 'show_box2'), $this->pagehook, 'normal', 'core');
     add_meta_box('show_box3', __('Add to Cart Button Option', 'WP-OliveCart'), array(&$this, 'show_box3'), $this->pagehook, 'normal', 'core');
     #add_meta_box( 'show_box4' ,__('Consumption tax Setup',  'WP-OliveCart'),
     #	array(&$this, 'show_box4'),   $this->pagehook, 'normal', 'core');
     add_meta_box('show_box5', __('SendMail Address', 'WP-OliveCart'), array(&$this, 'show_box5'), $this->pagehook, 'normal', 'core');
 }

 function aioseop_init_class()
 {
     global $aiosp;
     require_once AIOSEOP_PLUGIN_DIR . 'aioseop_functions.php';
     require_once AIOSEOP_PLUGIN_DIR . 'aioseop_class.php';
     $aiosp = new All_in_One_SEO_Pack();
     if (aioseop_option_isset('aiosp_unprotect_meta')) {
         add_filter('is_protected_meta', 'aioseop_unprotect_meta', 10, 3);
     }
     add_action('init', array($aiosp, 'add_hooks'));
     if (defined('DOING_AJAX') && !empty($_POST) && !empty($_POST['action']) && $_POST['action'] === 'aioseop_ajax_scan_header') {
         remove_action('init', array($aiosp, 'add_hooks'));
         add_action('admin_init', 'aioseop_scan_post_header');
         add_action('shutdown', 'aioseop_ajax_scan_header');
         // if the action doesn't run -- pdb
         include_once ABSPATH . 'wp-admin/includes/screen.php';
         global $current_screen;
         if (class_exists('WP_Screen')) {
             $current_screen = WP_Screen::get('front');
         }
     }
 }

/**
 * Set the current screen object
 *
 * @since 3.0.0
 *
 * @param mixed $hook_name Optional. The hook name (also known as the hook suffix) used to determine the screen,
 *	                       or an existing screen object.
 */
function set_current_screen($hook_name = '')
{
    WP_Screen::get($hook_name)->set_current_screen();
}

    add_action('wp_ajax_aioseop_ajax_delete_url', 'aioseop_ajax_delete_url');
    add_action('wp_ajax_aioseop_ajax_scan_header', 'aioseop_ajax_scan_header');
    add_action('wp_ajax_aioseop_ajax_save_settings', 'aioseop_ajax_save_settings');
    add_action('wp_ajax_aioseop_ajax_get_menu_links', 'aioseop_ajax_get_menu_links');
}
if (aioseop_option_isset('aiosp_unprotect_meta')) {
    add_filter('is_protected_meta', 'aioseop_unprotect_meta', 10, 3);
}
if (!function_exists('aioseop_scan_post_header')) {
    function aioseop_scan_post_header()
    {
        require_once ABSPATH . WPINC . '/default-filters.php';
        global $wp_query;
        $wp_query->query_vars['paged'] = 0;
        query_posts('post_type=post&posts_per_page=1');
        if (have_posts()) {
            the_post();
        }
    }
}
if (defined('DOING_AJAX') && !empty($_POST) && !empty($_POST['action']) && $_POST['action'] === 'aioseop_ajax_scan_header') {
    remove_action('init', array($aiosp, 'add_hooks'));
    add_action('admin_init', 'aioseop_scan_post_header');
    add_action('shutdown', 'aioseop_ajax_scan_header');
    // if the action doesn't run -- pdb
    include_once ABSPATH . 'wp-admin/includes/screen.php';
    global $current_screen;
    if (class_exists('WP_Screen')) {
        $current_screen = WP_Screen::get('front');
    }
}

 /**
  * Constructor.
  *
  * The child class should call this constructor from its own constructor to override
  * the default $args.
  *
  * @since 3.1.0
  * @access public
  *
  * @param array|string $args {
  *     Array or string of arguments.
  *
  *     @type string $plural   Plural value used for labels and the objects being listed.
  *                            This affects things such as CSS class-names and nonces used
  *                            in the list table, e.g. 'posts'. Default empty.
  *     @type string $singular Singular label for an object being listed, e.g. 'post'.
  *                            Default empty
  *     @type bool   $ajax     Whether the list table supports AJAX. This includes loading
  *                            and sorting data, for example. If true, the class will call
  *                            the {@see _js_vars()} method in the footer to provide variables
  *                            to any scripts handling AJAX events. Default false.
  *     @type string $screen   String containing the hook name used to determine the current
  *                            screen. If left null, the current screen will be automatically set.
  *                            Default null.
  * }
  */
 public function __construct($args = array())
 {
     $args = wp_parse_args($args, array('plural' => '', 'singular' => '', 'ajax' => false, 'screen' => null));
     //$this->screen = convert_to_screen( $args['screen'] );
     $this->screen = WP_Screen::get($args['screen']);
     add_filter("manage_{$this->screen->id}_columns", array($this, 'get_columns'), 0);
     if (!$args['plural']) {
         $args['plural'] = $this->screen->base;
     }
     $args['plural'] = sanitize_key($args['plural']);
     $args['singular'] = sanitize_key($args['singular']);
     $this->_args = $args;
     if ($args['ajax']) {
         // wp_enqueue_script( 'list-table' );
         add_action('admin_footer', array($this, '_js_vars'));
     }
     if (empty($this->modes)) {
         $this->modes = array('list' => __('List View'), 'excerpt' => __('Excerpt View'));
     }
 }

 /**
  * Display inline help content
  *
  * @since 1.0.0
  *
  * @param WP_Screen $screen current screen
  *
  * @return void
  */
 public static function addHelpTab($screen)
 {
     if (!$screen) {
         return;
     }
     $content = '<p>' . esc_html(__('Twitter Embedded Tweet and Timeline widgets support customization of color theme, link color, and border color inside a rendered widget.', 'twitter')) . '</p>';
     $content .= '<p>' . esc_html(__('Choose a light or dark theme to best match the background color and text color of surrounding content.', 'twitter')) . '</p>';
     $content .= '<p>' . esc_html(__('Link color is applied to linked text including URLs, #hashtags, and @mentions.', 'twitter')) . '</p>';
     $content .= '<p>' . esc_html(__('Border color applies to borders separating Tweet sections or individual Tweets.', 'twitter')) . '</p>';
     $screen->add_help_tab(array('id' => 'twitter-theme-help', 'title' => static::featureName(), 'content' => $content));
 }

 function jwl_help_screen()
 {
     /** 
      * Create the WP_Screen object against your admin page handle
      * This ensures we're working with the right admin page
      */
     $this->admin_screen = WP_Screen::get($this->pagehook);
     // Content specified inline
     $this->admin_screen->add_help_tab(array('title' => __('Help Documentation', 'jwl-ultimate-tinymce'), 'id' => 'help_tab', 'content' => '<div class="help_wrapper">' . __('<ul><li class="help_tab_list_image">The best resource for expedited help is my <a target="_blank" href="http://www.forum.joshlobe.com/">Support Forum</a>.</li><li class="help_tab_list_image">Additional information on each option may be found on the <a target="_blank" href="http://docs.joshlobe.com/">Ultimate Tinymce WIKI</a>.</li><li class="help_tab_list_image">You can also visit the <a target="_blank" href="http://www.plugins.joshlobe.com/">Plugin Page</a> to read user comments.</li></ul>', 'jwl-ultimate-tinymce') . '</div>', 'callback' => false));
     /**
      * Content generated by callback
      * The callback fires when tab is rendered - args: WP_Screen object, current tab
      */
     //$this->admin_screen->add_help_tab(
     //array( 'title' => 'Info on this Page', 'id' => 'page_info', 'content' => '', 'callback' => create_function('','echo "<p>This is my generated content.</p>";' )));
     $this->admin_screen->set_help_sidebar('<p>' . __('Ultimate Tinymce Help<br /><br /><a target="_blank" href="http://www.forum.joshlobe.com/">Support Forum</a>', 'jwl-ultimate-tinymce') . '</p><p><a target="_blank" href="http://docs.joshlobe.com/">' . __('Ultimate Tinymce WIKI', 'jwl-ultimate-tinymce') . '</a></p>');
 }