<?php
/**
 * This file belongs to the YIT Plugin Framework.
 * This source file is subject to the GNU GENERAL PUBLIC LICENSE (GPL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://www.gnu.org/licenses/gpl-3.0.txt
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
} // Exit if accessed directly

if ( ! class_exists( 'YIT_Plugin_Panel' ) ) {
	/**
	 * YIT Plugin Panel
	 * Setting Page to Manage Plugins
	 *
	 * @class      YIT_Plugin_Panel
	 * @package    YITH
	 * @since      1.0
	 * @author     Your Inspiration Themes
	 */
	class YIT_Plugin_Panel {

		/**
		 * @var string version of class
		 */
		public $version = '1.0.0';

		/**
		 * @var array a setting list of parameters
		 */
		public $settings = array();

		/**
		 * @var array
		 */
		protected $_tabs_path_files;

		/**
		 * @var array
		 */
		protected $_main_array_options;

		/**
		 * @var array
		 */
		protected $_tabs_hierarchy;

		/**
		 * @var array
		 */
		protected static $_panel_tabs_in_wp_pages = array();

		/**
		 * @var array
		 */
		public $links;

		/**
		 * @var bool
		 */
		protected static $_actions_initialized = false;

		/**
		 * Constructor
		 *
		 * @param array $args
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 * @since  1.0
		 */
		public function __construct( $args = array() ) {

			if ( ! empty( $args ) ) {

				$default_args = array(
					'parent_slug' => 'edit.php?',
					'page_title'  => __( 'Plugin Settings', 'yith-plugin-fw' ),
					'menu_title'  => __( 'Settings', 'yith-plugin-fw' ),
					'capability'  => 'manage_options',
					'icon_url'    => '',
					'position'    => null,
				);

				$args = apply_filters( 'yit_plugin_fw_panel_option_args', wp_parse_args( $args, $default_args ) );
				if ( isset( $args['parent_page'] ) && 'yit_plugin_panel' === $args['parent_page'] )
					$args['parent_page'] = 'yith_plugin_panel';

				$this->settings         = $args;
				$this->_tabs_path_files = $this->get_tabs_path_files();

				if ( isset( $this->settings['create_menu_page'] ) && $this->settings['create_menu_page'] ) {
					$this->add_menu_page();
				}

				if ( ! empty( $this->settings['links'] ) ) {
					$this->links = $this->settings['links'];
				}

				add_action( 'admin_init', array( $this, 'register_settings' ) );
				add_action( 'admin_menu', array( $this, 'add_setting_page' ), 20 );
				add_action( 'admin_menu', array( $this, 'add_premium_version_upgrade_to_menu' ), 100 );
				add_action( 'admin_bar_menu', array( $this, 'add_admin_bar_menu' ), 100 );
				add_action( 'admin_init', array( $this, 'add_fields' ) );

				add_action( 'admin_enqueue_scripts', array( $this, 'init_wp_with_tabs' ), 11 );
				add_action( 'admin_init', array( $this, 'maybe_redirect_to_proper_wp_page' ) );

				// init actions once to prevent multiple actions
				static::_init_actions();
			}

			add_action( 'admin_enqueue_scripts', array( $this, 'admin_enqueue_scripts' ) );

            //yith-plugin-ui
            add_action( 'yith_plugin_fw_before_yith_panel', array( $this, 'add_plugin_banner' ), 10, 1 );
            add_action( 'wp_ajax_yith_plugin_fw_save_toggle_element', array( $this, 'save_toggle_element_options' ) );
        }

		/**
		 * Is this a custom post type page?
		 *
		 * @return bool
		 * @see      YIT_Plugin_Panel::init_wp_with_tabs
		 * @since    3.4.17
		 */
		protected function is_custom_post_type_page() {
			global $pagenow, $post_type;
			$excluded_post_types = array( 'product', 'page', 'post' );

			return in_array( $pagenow, array( 'post.php', 'post-new.php', 'edit.php' ), true ) &&
				! in_array( $post_type, $excluded_post_types, true );
		}

		/**
		 * Is this a custom taxonomy page?
		 *
		 * @return bool
		 * @see      YIT_Plugin_Panel::init_wp_with_tabs
		 * @since    3.4.17
		 */
		protected function is_custom_taxonomy_page() {
			global $pagenow, $taxonomy;
			$excluded_taxonomies = array( 'category', 'post_tag', 'product_cat', 'product_tag' );

			return in_array( $pagenow, array( 'edit-tags.php', 'term.php' ), true ) &&
				! in_array( $taxonomy, $excluded_taxonomies, true );
		}

		/**
		 * Init actions to show YITH Panel tabs in WP Pages
		 *
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 * @since    3.4.0
		 */
		public function init_wp_with_tabs() {
			if ( ! current_user_can( $this->settings['capability'] ) ) {
				return;
			}

			global $post_type, $taxonomy;
			$tabs = false;

			if ( $this->is_custom_post_type_page() ) {
				$tabs = $this->get_post_type_tabs( $post_type );
			} else if ( $this->is_custom_taxonomy_page() ) {
				$tabs = $this->get_taxonomy_tabs( $taxonomy );
			}

			if ( $tabs ) {
				// tabs_in_edit
				$current_tab_args = array(
					'page'            => $this->settings['page'],
					'current_tab'     => isset( $tabs['tab'] ) ? $tabs['tab'] : '',
					'current_sub_tab' => isset( $tabs['sub_tab'] ) ? $tabs['sub_tab'] : '',
				);

				wp_enqueue_style( 'yit-plugin-style' );
				wp_enqueue_style( 'yith-plugin-fw-fields' );
				wp_enqueue_script( 'yith-plugin-fw-wp-pages' );

				if ( ! self::$_panel_tabs_in_wp_pages ) {
					self::$_panel_tabs_in_wp_pages = $current_tab_args;
					add_action( 'all_admin_notices', array( $this, 'print_panel_tabs_in_wp_pages' ) );
					add_action( 'admin_footer', array( $this, 'print_panel_tabs_in_wp_pages_end' ) );
					add_filter( 'parent_file', array( $this, 'set_parent_file_to_handle_menu_for_wp_pages' ) );
					add_filter( 'submenu_file', array( $this, 'set_submenu_file_to_handle_menu_for_wp_pages' ), 10, 2 );
				}
			}
		}

		/**
		 * Init actions once to prevent multiple actions
		 *
		 * @since  3.0.0
		 * @author Leanza Francesco <leanzafrancesco@gmail.com>
		 */
		protected static function _init_actions() {
			if ( ! static::$_actions_initialized ) {
				add_filter( 'admin_body_class', array( __CLASS__, 'add_body_class' ) );

				// sort plugins by name in YITH Plugins menu
				add_action( 'admin_menu', array( __CLASS__, 'sort_plugins' ), 90 );
				add_filter( 'add_menu_classes', array( __CLASS__, 'add_menu_class_in_yith_plugin' ) );


				static::$_actions_initialized = true;
			}
		}

		protected function _maybe_init_vars() {
			if ( ! isset( $this->_main_array_options ) && ! isset( $this->_tabs_hierarchy ) ) {
				$options_path              = $this->settings['options-path'];
				$this->_main_array_options = array();
				$this->_tabs_hierarchy     = array();

				foreach ( $this->settings['admin-tabs'] as $item => $v ) {
					$path = trailingslashit( $options_path ) . $item . '-options.php';
					$path = apply_filters( 'yith_plugin_panel_item_options_path', $path, $options_path, $item, $this );
					if ( file_exists( $path ) ) {
						$_tab                      = include $path;
						$this->_main_array_options = array_merge( $this->_main_array_options, $_tab );
						$sub_tabs                  = $this->get_sub_tabs( $_tab );
						$current_tab_key           = array_keys( $_tab )[0];

						$this->_tabs_hierarchy[ $current_tab_key ] = array_merge( array( 'parent' => '', 'has_sub_tabs' => ! ! $sub_tabs ), $this->get_tab_info_by_options( $_tab[ $current_tab_key ] ) );

						foreach ( $sub_tabs as $sub_item => $sub_options ) {
							if ( strpos( $sub_item, $item . '-' ) === 0 ) {
								$sub_item = substr( $sub_item, strlen( $item ) + 1 );
							}
							$sub_tab_path = $options_path . '/' . $item . '/' . $sub_item . '-options.php';
							$sub_tab_path = apply_filters( 'yith_plugin_panel_sub_tab_item_options_path', $sub_tab_path, $sub_tabs, $sub_item, $this );

							if ( file_exists( $sub_tab_path ) ) {
								$_sub_tab                  = include $sub_tab_path;
								$this->_main_array_options = array_merge( $this->_main_array_options, $_sub_tab );

								$current_sub_tab_key                           = array_keys( $_sub_tab )[0];
								$this->_tabs_hierarchy[ $current_sub_tab_key ] = array_merge( array( 'parent' => $current_tab_key ), $this->get_tab_info_by_options( $_sub_tab[ $current_sub_tab_key ] ) );
							}
						}
					}
				}
			}
		}

		/**
		 * Add yith-plugin-fw-panel in body classes in Panel pages
		 *
		 * @param $admin_body_classes
		 * @return string
		 * @author Leanza Francesco <leanzafrancesco@gmail.com>
		 * @since  3.0.0
		 */
		public static function add_body_class( $admin_body_classes ) {
			global $pagenow;
			if ( ( 'admin.php' == $pagenow && strpos( get_current_screen()->id, 'yith-plugins_page' ) !== false ) )
				$admin_body_classes = substr_count( $admin_body_classes, ' yith-plugin-fw-panel ' ) == 0 ? $admin_body_classes . ' yith-plugin-fw-panel ' : $admin_body_classes;

			return $admin_body_classes;
		}

		/**
		 * Add Menu page link
		 *
		 * @return void
		 * @since    1.0
		 * @author   Andrea Grillo <andrea.grillo@yithemes.com>
		 */
		public function add_menu_page() {
			global $admin_page_hooks;

			if ( ! isset( $admin_page_hooks['yith_plugin_panel'] ) ) {
				$position   = apply_filters( 'yit_plugins_menu_item_position', '62.32' );
				$capability = apply_filters( 'yit_plugin_panel_menu_page_capability', 'manage_options' );
				$show       = apply_filters( 'yit_plugin_panel_menu_page_show', true );

				//  YITH text must not be translated
				if ( ! ! $show ) {
					add_menu_page( 'yith_plugin_panel', 'YITH', $capability, 'yith_plugin_panel', null, yith_plugin_fw_get_default_logo(), $position );
					$admin_page_hooks['yith_plugin_panel'] = 'yith-plugins'; // prevent issues for backward compatibility
				}
			}
		}

		/**
		 * Remove duplicate submenu
		 * Submenu page hack: Remove the duplicate YIT Plugin link on subpages
		 *
		 * @return void
		 * @since    1.0
		 * @author   Andrea Grillo <andrea.grillo@yithemes.com>
		 */
		public function remove_duplicate_submenu_page() {
			/* === Duplicate Items Hack === */
			remove_submenu_page( 'yith_plugin_panel', 'yith_plugin_panel' );
		}

		/**
		 * Enqueue script and styles in admin side
		 * Add style and scripts to administrator
		 *
		 * @return void
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 */
		public function admin_enqueue_scripts() {
			global $pagenow;

			// enqueue styles only in the current panel page
			if ( 'admin.php' === $pagenow && strpos( get_current_screen()->id, $this->settings['page'] ) !== false || apply_filters( 'yit_plugin_panel_asset_loading', false ) ) {
				wp_enqueue_media();

				wp_enqueue_style( 'yith-plugin-fw-fields' );
				wp_enqueue_style( 'yit-jquery-ui-style' );
				wp_enqueue_style( 'raleway-font' );

				wp_enqueue_script( 'jquery-ui' );
				wp_enqueue_script( 'jquery-ui-core' );
				wp_enqueue_script( 'jquery-ui-dialog' );
				wp_enqueue_script( 'yith_how_to' );
				wp_enqueue_script( 'yith-plugin-fw-fields' );
			}

			if ( ( 'admin.php' == $pagenow && yith_plugin_fw_is_panel() ) || apply_filters( 'yit_plugin_panel_asset_loading', false ) ) {
				wp_enqueue_media();
				wp_enqueue_style( 'yit-plugin-style' );
				wp_enqueue_script( 'yit-plugin-panel' );
			}

			if ( 'admin.php' == $pagenow && strpos( get_current_screen()->id, 'yith_upgrade_premium_version' ) !== false ) {
				wp_enqueue_style( 'yit-upgrade-to-pro' );
				wp_enqueue_script( 'colorbox' );
			}

		}

		/**
		 * Register Settings
		 * Generate wp-admin settings pages by registering your settings and using a few callbacks to control the output
		 *
		 * @return void
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function register_settings() {
			register_setting( 'yit_' . $this->settings['parent'] . '_options', 'yit_' . $this->settings['parent'] . '_options', array( $this, 'options_validate' ) );
		}

		/**
		 * Options Validate
		 * a callback function called by Register Settings function
		 *
		 * @param $input
		 * @return array validate input fields
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function options_validate( $input ) {

			$option_key = ! empty( $input['option_key'] ) ? $input['option_key'] : 'general';

			$yit_options = $this->get_main_array_options();

			// default
			$valid_input = $this->get_options();

			$submit = ( ! empty( $input['submit-general'] ) ? true : false );
			$reset  = ( ! empty( $input['reset-general'] ) ? true : false );

			foreach ( $yit_options[ $option_key ] as $section => $data ) {
				foreach ( $data as $option ) {
					if ( isset( $option['sanitize_call'] ) && isset( $option['id'] ) ) { //yiw_debug($option, false);
						if ( is_array( $option['sanitize_call'] ) ) :
							foreach ( $option['sanitize_call'] as $callback ) {
								if ( is_array( $input[ $option['id'] ] ) ) {
									$valid_input[ $option['id'] ] = array_map( $callback, $input[ $option['id'] ] );
								} else {
									$valid_input[ $option['id'] ] = call_user_func( $callback, $input[ $option['id'] ] );
								}
							}
						else :
							if ( is_array( $input[ $option['id'] ] ) ) {
								$valid_input[ $option['id'] ] = array_map( $option['sanitize_call'], $input[ $option['id'] ] );
							} else {
								$valid_input[ $option['id'] ] = call_user_func( $option['sanitize_call'], $input[ $option['id'] ] );
							}
						endif;
					} else {
						if ( isset( $option['id'] ) ) {
							$value = isset( $input[ $option['id'] ] ) ? $input[ $option['id'] ] : false;
							if ( isset( $option['type'] ) && in_array( $option['type'], array( 'checkbox', 'onoff' ) ) ) {
								$value = yith_plugin_fw_is_true( $value ) ? 'yes' : 'no';
							}

							if ( ! empty( $option['yith-sanitize-callback'] ) && is_callable( $option['yith-sanitize-callback'] ) ) {
								$value = call_user_func( $option['yith-sanitize-callback'], $value );
							}

							$valid_input[ $option['id'] ] = $value;
						}
					}

				}
			}

			return $valid_input;
		}

		/**
		 * Add Setting SubPage
		 * add Setting SubPage to wordpress administrator
		 *
		 * @return array validate input fields
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function add_setting_page() {
			$this->settings['icon_url'] = isset( $this->settings['icon_url'] ) ? $this->settings['icon_url'] : '';
			$this->settings['position'] = isset( $this->settings['position'] ) ? $this->settings['position'] : null;
			$parent                     = $this->settings['parent_slug'] . $this->settings['parent_page'];

			if ( ! empty( $parent ) ) {
				add_submenu_page( $parent, $this->settings['page_title'], $this->settings['menu_title'], $this->settings['capability'], $this->settings['page'], array( $this, 'yit_panel' ) );
			} else {
				add_menu_page( $this->settings['page_title'], $this->settings['menu_title'], $this->settings['capability'], $this->settings['page'], array( $this, 'yit_panel' ), $this->settings['icon_url'], $this->settings['position'] );
			}
			/* === Duplicate Items Hack === */
			$this->remove_duplicate_submenu_page();
			do_action( 'yit_after_add_settings_page' );


		}

		/**
		 * Add Premium Version upgrade menu item
		 *
		 * @return   void
		 * @since    2.9.13
		 * @author   Andrea Grillo <andrea.grillo@yithemes.com>
		 */
		public function add_premium_version_upgrade_to_menu() {
			/* === Add the How To menu item only if the customer haven't a premium version enabled === */
			if ( function_exists( 'YIT_Plugin_Licence' ) && ! ! YIT_Plugin_Licence()->get_products() ) {
				return;
			}


		}

		/**
		 * Print the tabs navigation
		 *
		 * @param array $args
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 * @since    3.4.0
		 */
		public function print_tabs_nav( $args = array() ) {
			$defaults = array(
				'current_tab'   => $this->get_current_tab(),
				'premium_class' => isset( $this->settings['class'] ) ? 'yith-premium' : 'premium',
				'page'          => $this->settings['page'],
				'parent_page'   => $this->settings['parent_page'],
				'wrapper_class' => 'nav-tab-wrapper',
			);
			$args     = wp_parse_args( $args, $defaults );
			/**
			 * @var string $current_tab
			 * @var string $premium_class
			 * @var string $page
			 * @var string $parent_page
			 * @var string $wrapper_class
			 */
			extract( $args );

			$tabs = '<ul class="yith-plugin-fw-tabs">';

			foreach ( $this->settings['admin-tabs'] as $tab => $tab_value ) {
				$active_class = ( $current_tab == $tab ) ? ' nav-tab-active' : '';
				$active_class .= 'premium' == $tab ? ' ' . $premium_class : '';
				$active_class = apply_filters( 'yith_plugin_fw_panel_active_tab_class', $active_class, $current_tab, $tab );

				$first_sub_tab = $this->get_first_sub_tab_key( $tab );
				$sub_tab       = ! ! $first_sub_tab ? $first_sub_tab : '';
				$sub_tabs      = $this->get_sub_tabs( $tab );
				$url           = $this->get_nav_url( $page, $tab, $sub_tab, $parent_page );
				$icon          = ( $current_tab !== $tab && $sub_tabs ) ? '<i class="yith-icon yith-icon-arrow_down"></i>' : '';

				$tabs .= '<li class="yith-plugin-fw-tab-element">';
				$tabs .= '<a class="nav-tab' . $active_class . '" href="' . $url . '">' . $tab_value . $icon . '</a>';

				if ( $current_tab !== $tab && $sub_tabs ) {
					$tabs .= '<div class="nav-subtab-wrap"><ul class="nav-subtab">';
					foreach ( $sub_tabs as $_key => $_tab ) {
						$url  = $this->get_nav_url( $page, $tab, $_key );
						$tabs .= '<li class="nav-subtab-item"><a href="' . $url . '">' . $_tab['title'] . '</a></li>';
					}
					$tabs .= '</ul></div>';
				}
				$tabs .= '</li>';
			}
			$tabs .= '</ul>';
			?>
			<h2 class="<?php echo $wrapper_class ?>">
				<?php echo $tabs ?>
			</h2>
			<?php
			$this->print_sub_tabs_nav( $args );
		}

		/**
		 * @param string $page
		 * @param string $tab
		 * @param string $sub_tab
		 * @param string $parent_page
		 * @return string
		 */
		public function get_nav_url( $page, $tab, $sub_tab = '', $parent_page = '' ) {
			$tab_hierarchy = $this->get_tabs_hierarchy();
			$key           = ! ! $sub_tab ? $sub_tab : $tab;

			if ( isset( $tab_hierarchy[ $key ], $tab_hierarchy[ $key ]['type'], $tab_hierarchy[ $key ]['post_type'] ) && 'post_type' === $tab_hierarchy[ $key ]['type'] ) {
				$url = admin_url( "edit.php?post_type={$tab_hierarchy[$key]['post_type']}" );
			} elseif ( isset( $tab_hierarchy[ $key ], $tab_hierarchy[ $key ]['type'], $tab_hierarchy[ $key ]['taxonomy'] ) && 'taxonomy' === $tab_hierarchy[ $key ]['type'] ) {
				$url = admin_url( "edit-tags.php?taxonomy={$tab_hierarchy[$key]['taxonomy']}" );
			} else {
				$url = ! ! $parent_page ? "?{$parent_page}&" : '?';
				$url .= "page={$page}&tab={$tab}";
				$url .= ! ! $sub_tab ? "&sub_tab={$sub_tab}" : '';
				$url = admin_url( "admin.php{$url}" );
			}

			return apply_filters( 'yith_plugin_fw_panel_url', $url, $page, $tab, $sub_tab, $parent_page );
		}

		/**
		 * Print the Sub-tabs navigation if the current tab has sub-tabs
		 *
		 * @param array $args
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 * @since    3.4.0
		 */
		public function print_sub_tabs_nav( $args = array() ) {
			$defaults = array(
				'current_tab'     => $this->get_current_tab(),
				'page'            => $this->settings['page'],
				'current_sub_tab' => $this->get_current_sub_tab(),
			);
			$args     = wp_parse_args( $args, $defaults );

			/**
			 * @var string $current_tab
			 * @var string $page
			 * @var string $current_sub_tab
			 */
			extract( $args );

			$sub_tabs = $this->get_sub_tabs( $current_tab );

			if ( $sub_tabs && $current_sub_tab ) {
				include YIT_CORE_PLUGIN_TEMPLATE_PATH . '/panel/sub-tabs-nav.php';
			}
		}

		/**
		 * Show a tabbed panel to setting page
		 * a callback function called by add_setting_page => add_submenu_page
		 *
		 * @return void
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function yit_panel() {
			$yit_options = $this->get_main_array_options();
			$wrap_class  = isset( $this->settings['class'] ) ? $this->settings['class'] : '';

			$option_key        = $this->get_current_option_key();
			$custom_tab_action = $this->is_custom_tab( $yit_options, $option_key );
			?>
			<div class="wrap <?php echo $wrap_class ?>">
				<div id="icon-themes" class="icon32"><br/></div>
				<?php
				do_action( 'yith_plugin_fw_before_yith_panel', $this->settings['page'] );

				$this->print_tabs_nav();

				if ( $custom_tab_action ) {
					$this->print_custom_tab( $custom_tab_action );
					return;
				}

				$panel_content_class = apply_filters( 'yit_admin_panel_content_class', 'yit-admin-panel-content-wrap' );
				?>
				<div id="wrap" class="yith-plugin-fw plugin-option yit-admin-panel-container">
					<?php $this->message(); ?>
					<div class="<?php echo $panel_content_class; ?>">
						<h2><?php echo $this->get_tab_title() ?></h2>
						<?php if ( $this->is_show_form() ) : ?>
							<form id="yith-plugin-fw-panel" method="post" action="options.php">
								<?php do_settings_sections( 'yit' ); ?>
								<p>&nbsp;</p>
								<?php settings_fields( 'yit_' . $this->settings['parent'] . '_options' ); ?>
								<input type="hidden" name="<?php echo $this->get_name_field( 'option_key' ) ?>"
									value="<?php echo esc_attr( $option_key ) ?>"/>
								<input type="submit" class="button-primary"
									value="<?php _e( 'Save Changes', 'yith-plugin-fw' ) ?>"
									style="float:left;margin-right:10px;"/>
							</form>
							<form method="post">
								<?php $warning = __( 'If you continue with this action, you will reset all options in this page.', 'yith-plugin-fw' ) ?>
								<input type="hidden" name="yit-action" value="reset"/>
								<input type="submit" name="yit-reset" class="button-secondary"
									value="<?php _e( 'Reset to default', 'yith-plugin-fw' ) ?>"
									onclick="return confirm('<?php echo $warning . '\n' . __( 'Are you sure?', 'yith-plugin-fw' ) ?>');"/>
							</form>
							<p>&nbsp;</p>
						<?php endif ?>
					</div>
				</div>
			</div>
			<?php
		}

		/**
		 * Check if is a custom tab
		 *
		 * @param array  $options
		 * @param string $option_key
		 * @return bool
		 */
		public function is_custom_tab( $options, $option_key ) {
			foreach ( $options[ $option_key ] as $section => $option ) {
				if ( isset( $option['type'] ) && isset( $option['action'] ) && 'custom_tab' == $option['type'] && ! empty( $option['action'] ) ) {
					return $option['action'];
				} else {
					return false;
				}
			}

			return false;
		}

		public function get_tab_type_by_options( $tab_options ) {
			$first         = ! ! $tab_options && is_array( $tab_options ) ? current( $tab_options ) : array();
			$type          = isset( $first['type'] ) ? $first['type'] : 'options';
			$special_types = array( 'post_type', 'taxonomy', 'custom_tab', 'multi_tab' );
			return in_array( $type, $special_types ) ? $type : 'options';
		}

		public function get_tab_info_by_options( $tab_options ) {
			$type  = $this->get_tab_type_by_options( $tab_options );
			$info  = array( 'type' => $type );
			$first = ! ! $tab_options && is_array( $tab_options ) ? current( $tab_options ) : array();
			if ( 'post_type' === $type ) {
				$info['post_type'] = isset( $first['post_type'] ) ? $first['post_type'] : '';
			} else if ( 'taxonomy' === $type ) {
				$info['taxonomy'] = isset( $first['taxonomy'] ) ? $first['taxonomy'] : '';
			}

			return $info;
		}

		/**
		 * Fire the action to print the custom tab
		 *
		 * @param string $action Action to fire
		 * @return void
		 * @since    1.0
		 * @author   Andrea Grillo <andrea.grillo@yithemes.com>
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 */
		public function print_custom_tab( $action ) {
			do_action( $action );
		}

		/**
		 * Add sections and fields to setting panel
		 * read all options and show sections and fields
		 *
		 * @return void
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function add_fields() {
			$yit_options = $this->get_main_array_options();
			$option_key  = $this->get_current_option_key();

			if ( ! $option_key ) {
				return;
			}
			foreach ( $yit_options[ $option_key ] as $section => $data ) {
				add_settings_section( "yit_settings_{$option_key}_{$section}", $this->get_section_title( $section ), $this->get_section_description( $section ), 'yit' );
				foreach ( $data as $option ) {
					if ( isset( $option['id'] ) && isset( $option['type'] ) && isset( $option['name'] ) ) {
						add_settings_field( "yit_setting_" . $option['id'], $option['name'], array( $this, 'render_field' ), 'yit', "yit_settings_{$option_key}_{$section}", array( 'option' => $option, 'label_for' => $this->get_id_field( $option['id'] ) ) );
					}
				}
			}
		}


		/**
		 * Add the tabs to admin bar menu
		 * set all tabs of settings page on wp admin bar
		 *
		 * @return void|array return void when capability is false
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function add_admin_bar_menu() {

			global $wp_admin_bar;

			if ( ! current_user_can( 'manage_options' ) ) {
				return;
			}

			if ( ! empty( $this->settings['admin_tabs'] ) ) {
				foreach ( $this->settings['admin-tabs'] as $item => $title ) {

					$wp_admin_bar->add_menu( array(
						'parent' => $this->settings['parent'],
						'title'  => $title,
						'id'     => $this->settings['parent'] . '-' . $item,
						'href'   => admin_url( 'themes.php' ) . '?page=' . $this->settings['parent_page'] . '&tab=' . $item,
					) );
				}
			}
		}


		/**
		 * Get current tab
		 * get the id of tab showed, return general is the current tab is not defined
		 *
		 * @return string
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function get_current_tab() {
			$admin_tabs = array_keys( $this->settings['admin-tabs'] );

			if ( ! isset( $_GET['page'] ) || $_GET['page'] != $this->settings['page'] ) {
				return false;
			}
			if ( isset( $_REQUEST['yit_tab_options'] ) ) {
				return $_REQUEST['yit_tab_options'];
			} elseif ( isset( $_GET['tab'] ) ) {
				return $_GET['tab'];
			} elseif ( isset( $admin_tabs[0] ) ) {
				return $admin_tabs[0];
			} else {
				return 'general';
			}
		}

		/**
		 * Get the current sub-tab
		 *
		 * @return string the key of the sub-tab if exists, empty string otherwise
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 * @since    3.4.0
		 */
		public function get_current_sub_tab() {
			$sub_tabs = $this->get_sub_tabs();
			$sub_tab  = isset( $_REQUEST['sub_tab'] ) ? $_REQUEST['sub_tab'] : '';

			if ( $sub_tabs ) {
				if ( $sub_tab && ! isset( $sub_tabs[ $sub_tab ] ) || ! $sub_tab ) {
					$sub_tab = current( array_keys( $sub_tabs ) );
				}
			} else {
				$sub_tab = '';
			}

			return $sub_tab;
		}

		/**
		 * Return the option key related to the current page
		 * for sub-tabbed tabs, it will return the current sub-tab
		 * fot normal tabs, it will return the current tab
		 *
		 * @return string the current sub-tab, if exists; the current tab otherwise
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 * @since    3.4.0
		 */
		public function get_current_option_key() {
			$current_tab     = $this->get_current_tab();
			$current_sub_tab = $this->get_current_sub_tab();

			if ( ! $current_tab ) {
				return false;
			}

			return $current_sub_tab ? $current_sub_tab : $current_tab;
		}


		/**
		 * Message
		 * define an array of message and show the content od message if
		 * is find in the query string
		 *
		 * @return void
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function message() {

			$message = array(
				'element_exists'   => $this->get_message( '<strong>' . __( 'The element you have entered already exists. Please, enter another name.', 'yith-plugin-fw' ) . '</strong>', 'error', false ),
				'saved'            => $this->get_message( '<strong>' . __( 'Settings saved', 'yith-plugin-fw' ) . '.</strong>', 'updated', false ),
				'reset'            => $this->get_message( '<strong>' . __( 'Settings reset', 'yith-plugin-fw' ) . '.</strong>', 'updated', false ),
				'delete'           => $this->get_message( '<strong>' . __( 'Element deleted correctly.', 'yith-plugin-fw' ) . '</strong>', 'updated', false ),
				'updated'          => $this->get_message( '<strong>' . __( 'Element updated correctly.', 'yith-plugin-fw' ) . '</strong>', 'updated', false ),
				'settings-updated' => $this->get_message( '<strong>' . __( 'Element updated correctly.', 'yith-plugin-fw' ) . '</strong>', 'updated', false ),
				'imported'         => $this->get_message( '<strong>' . __( 'Database imported correctly.', 'yith-plugin-fw' ) . '</strong>', 'updated', false ),
				'no-imported'      => $this->get_message( '<strong>' . __( 'An error has occurred during import. Please try again.', 'yith-plugin-fw' ) . '</strong>', 'error', false ),
				'file-not-valid'   => $this->get_message( '<strong>' . __( 'The added file is not valid.', 'yith-plugin-fw' ) . '</strong>', 'error', false ),
				'cant-import'      => $this->get_message( '<strong>' . __( 'Sorry, import is disabled.', 'yith-plugin-fw' ) . '</strong>', 'error', false ),
				'ord'              => $this->get_message( '<strong>' . __( 'Sorting successful.', 'yith-plugin-fw' ) . '</strong>', 'updated', false ),
			);

			foreach ( $message as $key => $value ) {
				if ( isset( $_GET[ $key ] ) ) {
					echo $message[ $key ];
				}
			}

		}

		/**
		 * Get Message
		 * return html code of message
		 *
		 * @param        $message
		 * @param string $type can be 'error' or 'updated'
		 * @param bool   $echo
		 * @return string
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function get_message( $message, $type = 'error', $echo = true ) {
			$message = '<div id="message" class="' . $type . ' fade"><p>' . $message . '</p></div>';
			if ( $echo ) {
				echo $message;
			}

			return $message;
		}


		/**
		 * Get Tab Path Files
		 * return an array with file names of tabs
		 *
		 * @return array
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function get_tabs_path_files() {

			$option_files_path = $this->settings['options-path'] . '/';

			$tabs = array();

			foreach ( ( array )glob( $option_files_path . '*.php' ) as $filename ) {
				preg_match( '/(.*)-options\.(.*)/', basename( $filename ), $filename_parts );

				if ( ! isset( $filename_parts[1] ) ) {
					continue;
				}

				$tab = $filename_parts[1];

				$tabs[ $tab ] = $filename;
			}

			return $tabs;
		}

		/**
		 * Get main array options
		 * return an array with all options defined on options-files
		 *
		 * @return array
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function get_main_array_options() {
			$this->_maybe_init_vars();

			return $this->_main_array_options;
		}

		function get_tabs_hierarchy() {
			$this->_maybe_init_vars();

			return $this->_tabs_hierarchy;
		}

		/**
		 * Return the sub-tabs array of a specific tab
		 *
		 * @param array|bool $_tab the tab; if not set it'll be the current tab
		 * @since    3.4.0
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 * @return array sub-tabs array
		 */
		public function get_sub_tabs( $_tab = false ) {
			if ( false === $_tab ) {
				$_tab = $this->get_current_tab();
			}

			if ( is_string( $_tab ) ) {
				$main_array_options  = $this->get_main_array_options();
				$current_tab_options = isset( $main_array_options[ $_tab ] ) ? $main_array_options[ $_tab ] : array();
				if ( $current_tab_options ) {
					$_tab = array( $_tab => $current_tab_options );
				}
			}

			$_tab_options = ! ! $_tab && is_array( $_tab ) ? current( $_tab ) : false;
			$_first       = ! ! $_tab_options && is_array( $_tab_options ) ? current( $_tab_options ) : false;
			if ( $_first && is_array( $_first ) && isset( $_first['type'] ) && 'multi_tab' === $_first['type'] && ! empty( $_first['sub-tabs'] ) ) {
				return $_first['sub-tabs'];
			}
			return array();
		}

		public function get_first_sub_tab_key( $_tab = false ) {
			$key = false;
			if ( is_string( $_tab ) ) {
				$main_array_options  = $this->get_main_array_options();
				$current_tab_options = isset( $main_array_options[ $_tab ] ) ? $main_array_options[ $_tab ] : array();
				if ( $current_tab_options ) {
					$_tab = array( $_tab => $current_tab_options );
				}
			}

			if ( ( $sub_tabs = $this->get_sub_tabs( $_tab ) ) ) {
				$key = current( array_keys( $sub_tabs ) );
			}

			return $key;
		}


		/**
		 * Set an array with all default options
		 * put default options in an array
		 *
		 * @return array
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function get_default_options() {
			$yit_options     = $this->get_main_array_options();
			$default_options = array();

			foreach ( $yit_options as $tab => $sections ) {
				foreach ( $sections as $section ) {
					foreach ( $section as $id => $value ) {
						if ( isset( $value['std'] ) && isset( $value['id'] ) ) {
							$default_options[ $value['id'] ] = $value['std'];
						}
					}
				}
			}

			unset( $yit_options );

			return $default_options;
		}


		/**
		 * Get the title of the tab
		 * return the title of tab
		 *
		 * @return string
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function get_tab_title() {
			$yit_options = $this->get_main_array_options();
			$option_key  = $this->get_current_option_key();

			foreach ( $yit_options[ $option_key ] as $sections => $data ) {
				foreach ( $data as $option ) {
					if ( isset( $option['type'] ) && $option['type'] == 'title' ) {
						return $option['name'];
					}
				}
			}
			return '';
		}

		/**
		 * Get the title of the section
		 * return the title of section
		 *
		 * @param $section
		 * @return string
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function get_section_title( $section ) {
			$yit_options = $this->get_main_array_options();
			$option_key  = $this->get_current_option_key();

			foreach ( $yit_options[ $option_key ][ $section ] as $option ) {
				if ( isset( $option['type'] ) && $option['type'] == 'section' ) {
					return $option['name'];
				}
			}
			return '';
		}

		/**
		 * Get the description of the section
		 * return the description of section if is set
		 *
		 * @param $section
		 * @return string
		 * @since    1.0
		 * @author   Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function get_section_description( $section ) {
			$yit_options = $this->get_main_array_options();
			$option_key  = $this->get_current_option_key();

			foreach ( $yit_options[ $option_key ][ $section ] as $option ) {
				if ( isset( $option['type'] ) && $option['type'] == 'section' && isset( $option['desc'] ) ) {
					return '<p>' . $option['desc'] . '</p>';
				}
			}
			return '';
		}


		/**
		 * Show form when necessary
		 * return true if 'showform' is not defined
		 *
		 * @return bool
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function is_show_form() {
			$yit_options = $this->get_main_array_options();
			$option_key  = $this->get_current_option_key();

			foreach ( $yit_options[ $option_key ] as $sections => $data ) {
				foreach ( $data as $option ) {
					if ( ! isset( $option['type'] ) || $option['type'] != 'title' ) {
						continue;
					}
					if ( isset( $option['showform'] ) ) {
						return $option['showform'];
					} else {
						return true;
					}
				}
			}
		}

		/**
		 * Get name field
		 * return a string with the name of the input field
		 *
		 * @param string $name
		 * @return string
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function get_name_field( $name = '' ) {
			return 'yit_' . $this->settings['parent'] . '_options[' . $name . ']';
		}

		/**
		 * Get id field
		 * return a string with the id of the input field
		 *
		 * @param string $id
		 * @return string
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function get_id_field( $id ) {
			return 'yit_' . $this->settings['parent'] . '_options_' . $id;
		}


		/**
		 * Render the field showed in the setting page
		 * include the file of the option type, if file do not exists
		 * return a text area
		 *
		 * @param array $param
		 * @return void
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		function render_field( $param ) {

			if ( ! empty( $param ) && isset( $param ['option'] ) ) {
				$option     = $param ['option'];
				$db_options = $this->get_options();

				$custom_attributes = array();

				if ( ! empty( $option['custom_attributes'] ) && is_array( $option['custom_attributes'] ) ) {
					foreach ( $option['custom_attributes'] as $attribute => $attribute_value ) {
						$custom_attributes[] = esc_attr( $attribute ) . '="' . esc_attr( $attribute_value ) . '"';
					}
				}

				$custom_attributes = implode( ' ', $custom_attributes );
				$std               = isset( $option['std'] ) ? $option['std'] : '';
				$db_value          = ( isset( $db_options[ $option['id'] ] ) ) ? $db_options[ $option['id'] ] : $std;

				if ( isset( $option['deps'] ) )
					$deps = $option['deps'];

				if ( 'on-off' === $option['type'] )
					$option['type'] = 'onoff';

				if ( $field_template_path = yith_plugin_fw_get_field_template_path( $option ) ) {
					$field_container_path = apply_filters( 'yith_plugin_fw_panel_field_container_template_path', YIT_CORE_PLUGIN_TEMPLATE_PATH . '/panel/panel-field-container.php', $option );
					file_exists( $field_container_path ) && include( $field_container_path );
				} else {
					do_action( "yit_panel_{$option['type']}", $option, $db_value, $custom_attributes );
				}
			}
		}

		/**
		 * Get options from db
		 * return the options from db, if the options aren't defined in the db,
		 * get the default options ad add the options in the db
		 *
		 * @return array
		 * @since  1.0
		 * @author Emanuela Castorina <emanuela.castorina@yithemes.it>
		 */
		public function get_options() {
			$options = get_option( 'yit_' . $this->settings['parent'] . '_options' );
			if ( $options === false || ( isset( $_REQUEST['yit-action'] ) && $_REQUEST['yit-action'] == 'reset' ) ) {
				$options = $this->get_default_options();
			}

			return $options;
		}

		/**
		 * Show a box panel with specific content in two columns as a new woocommerce type
		 *
		 * @param array $args
		 * @return   void
		 * @since    1.0
		 * @author   Emanuela Castorina      <emanuela.castorina@yithemes.com>
		 */
		public static function add_infobox( $args = array() ) {
			if ( ! empty( $args ) ) {
				extract( $args );
				require_once( YIT_CORE_PLUGIN_TEMPLATE_PATH . '/panel/boxinfo.php' );
			}
		}

		/**
		 * Show a box panel with specific content in two columns as a new woocommerce type
		 *
		 * @param array $args
		 * @return   void
		 * @deprecated 3.0.12 Do nothing! Method left to prevent Fatal Error if called directly
		 */
		public static function add_videobox( $args = array() ) {

		}

		/**
		 * Fire the action to print the custom tab
		 *
		 * @return void
		 * @deprecated 3.0.12 Do nothing! Method left to prevent Fatal Error if called directly
		 */
		public function print_video_box() {

		}

		/**
		 * sort plugins by name in YITH Plugins menu
		 *
		 * @since    3.0.0
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 */
		public static function sort_plugins() {
			global $submenu;
			if ( ! empty( $submenu['yith_plugin_panel'] ) ) {
				$sorted_plugins = $submenu['yith_plugin_panel'];

				usort( $sorted_plugins, function ( $a, $b ) {
					return strcmp( current( $a ), current( $b ) );
				} );

				$submenu['yith_plugin_panel'] = $sorted_plugins;
			}
		}

		/**
		 * add menu class in YITH Plugins menu
		 *
		 * @since    3.0.0
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 */
		public static function add_menu_class_in_yith_plugin( $menu ) {
			global $submenu;

			if ( ! empty( $submenu['yith_plugin_panel'] ) ) {
				$item_count = count( $submenu['yith_plugin_panel'] );
				$columns    = absint( $item_count / 20 ) + 1;
				$columns    = max( 1, min( $columns, 3 ) );
				$columns    = apply_filters( 'yith_plugin_fw_yith_plugins_menu_columns', $columns, $item_count );

				if ( $columns > 1 ) {
					$class = "yith-plugin-fw-menu-$columns-columns";
					foreach ( $menu as $order => $top ) {
						if ( 'yith_plugin_panel' === $top[2] ) {
							$c                 = $menu[ $order ][4];
							$menu[ $order ][4] = add_cssclass( $class, $c );
							break;
						}
					}
				}
			}

			return $menu;
		}

		/**
		 * Check if inside the admin tab there's the premium tab to
		 * check if the plugin is a free or not
		 *
		 * @author Emanuela Castorina
		 */
		function is_free() {
			return ( ! empty( $this->settings['admin-tabs'] ) && isset( $this->settings['admin-tabs']['premium'] ) );
		}

		/**
		 * Add plugin banner
		 */
		public function add_plugin_banner( $page ) {

			if ( $page != $this->settings['page'] || ! isset( $this->settings['class'] ) ) {
				return;
			}

			if ( $this->is_free() && isset( $this->settings['plugin_slug'] ) ):
				$rate_link = apply_filters( 'yith_plugin_fw_rate_url', 'https://wordpress.org/support/plugin/' . $this->settings['plugin_slug'] . '/reviews/?rate=5#new-post' );
				?>
				<h1 class="notice-container"></h1>
				<div class="yith-plugin-fw-banner">
					<h1><?php echo esc_html( $this->settings['page_title'] ) ?></h1>
				</div>
				<div class="yith-plugin-fw-rate">
					<?php printf( '<strong>%s</strong> %s <a href="%s" target="_blank"><u>%s</u> <span class="dashicons dashicons-star-filled"></span><span class="dashicons dashicons-star-filled"></span><span class="dashicons dashicons-star-filled"></span><span class="dashicons dashicons-star-filled"></span><span class="dashicons dashicons-star-filled"></span></a>  %s',
						__( 'We need your support', 'yith-plugin-fw' ),
						__( 'to keep updating and improving the plugin. Please,', 'yith-plugin-fw' ),
						$rate_link,
						__( 'help us by leaving a five-star rating', 'yith-plugin-fw' ),
						__( ':) Thanks!', 'yith-plugin-fw' ) ) ?>
				</div>
			<?php else: ?>
				<h1 class="notice-container"></h1>
				<div class="yith-plugin-fw-banner">
					<h1><?php echo esc_html( $this->settings['page_title'] ) ?></h1>
				</div>
			<?php endif ?>
			<?php
		}

		/**
		 * Add additional element after print the field.
		 *
		 * @since  3.2
		 * @author Emanuela Castorina
		 */
		public function add_yith_ui( $field ) {
			global $pagenow;

			$screen = function_exists( 'get_current_screen' ) ? get_current_screen() : false;

			if ( empty( $this->settings['class'] ) || ! isset( $field['type'] ) ) {
				return;
			}
			if ( 'admin.php' === $pagenow && $screen && strpos( $screen->id, $this->settings['page'] ) !== false ) {
				switch ( $field['type'] ) {
					case 'datepicker':
						echo '<span class="yith-icon icon-calendar"></span>';
						break;
					default:
						break;
				}
			}
		}


		public function get_post_type_tabs( $post_type ) {
			$tabs = array();

			foreach ( $this->get_tabs_hierarchy() as $key => $info ) {
				if ( isset( $info['type'], $info['post_type'] ) && 'post_type' === $info['type'] && $post_type === $info['post_type'] ) {
					if ( ! empty( $info['parent'] ) ) {
						$tabs = array( 'tab' => $info['parent'], 'sub_tab' => $key );
					} else {
						$tabs = array( 'tab' => $key );
					}
					break;
				}
			}

			$panel_page = isset( $this->settings['page'] ) ? $this->settings['page'] : 'general';

			return apply_filters( "yith_plugin_fw_panel_{$panel_page}_get_post_type_tabs", $tabs, $post_type );
		}

		public function get_taxonomy_tabs( $taxonomy ) {
			$tabs = array();

			foreach ( $this->get_tabs_hierarchy() as $key => $info ) {
				if ( isset( $info['type'], $info['taxonomy'] ) && 'taxonomy' === $info['type'] && $taxonomy === $info['taxonomy'] ) {
					if ( ! empty( $info['parent'] ) ) {
						$tabs = array( 'tab' => $info['parent'], 'sub_tab' => $key );
					} else {
						$tabs = array( 'tab' => $key );
					}
					break;
				}
			}

			$panel_page = isset( $this->settings['page'] ) ? $this->settings['page'] : 'general';

			return apply_filters( "yith_plugin_fw_panel_{$panel_page}_get_taxonomy_tabs", $tabs, $taxonomy );
		}


		/**
		 * If the panel page is a WP Page, this will redirect you to the correct page
		 * useful when a Post Type (Taxonomy) is the first tab of your panel, so when you open your panel it'll open the Post Type (Taxonomy) list
		 *
		 * @since    3.4.0
		 * @author   Leanza Francesco <leanzafrancesco@gmail.com>
		 */
		public function maybe_redirect_to_proper_wp_page() {
			global $pagenow;
			if ( 'admin.php' === $pagenow && isset( $_GET['page'] ) && $this->settings['page'] === $_GET['page'] &&
				! $this->is_custom_taxonomy_page() && ! $this->is_custom_post_type_page() && ! isset( $_REQUEST['yith-plugin-fw-panel-skip-redirect'] ) ) {
				$url = $this->get_nav_url( $this->settings['page'], $this->get_current_tab(), $this->get_current_sub_tab() );
				if ( strpos( $url, 'edit.php' ) !== false || strpos( $url, 'edit-tags.php' ) !== false ) {
					wp_safe_redirect( add_query_arg( array( 'yith-plugin-fw-panel-skip-redirect' => 1 ), $url ) );
					exit;
				}
			}
        }

        /**
         * Print the Panel tabs and sub-tabs navigation in WP pages
         * Important: this opens a wrapper <div> that will be closed through YIT_Plugin_Panel::print_panel_tabs_in_post_edit_page_end()
         *
         * @since    3.4.0
         * @author   Leanza Francesco <leanzafrancesco@gmail.com>
         */
        public function print_panel_tabs_in_wp_pages() {
            if ( self::$_panel_tabs_in_wp_pages ) {
                wp_enqueue_style( 'yit-plugin-style' );
                wp_enqueue_script( 'yit-plugin-panel' );

                $wrap_class = isset( $this->settings[ 'class' ] ) ? $this->settings[ 'class' ] : '';

                ?>
                <div class="yith-plugin-fw-wp-page-wrapper">
                <?php
                echo "<div class='{$wrap_class}'>";
                $this->add_plugin_banner( $this->settings[ 'page' ] );
                $this->print_tabs_nav( self::$_panel_tabs_in_wp_pages );
                echo "</div>";
            }
        }


        /**
         * Close the wrapper opened in YIT_Plugin_Panel::print_panel_tabs_in_wp_pages()
         *
         * @since    3.4.0
         * @author   Leanza Francesco <leanzafrancesco@gmail.com>
         */
        public function print_panel_tabs_in_wp_pages_end() {
            if ( self::$_panel_tabs_in_wp_pages ) {
                echo "</div><!-- /yith-plugin-fw-wp-page-wrapper -->";
            }
        }

        public function set_parent_file_to_handle_menu_for_wp_pages( $parent_file ) {
            if ( self::$_panel_tabs_in_wp_pages ) {
                return 'yith_plugin_panel';
            }

            return $parent_file;
        }

        public function set_submenu_file_to_handle_menu_for_wp_pages( $submenu_file, $parent_file ) {
            if ( self::$_panel_tabs_in_wp_pages ) {
                return $this->settings[ 'page' ];
            }
            return $submenu_file;
        }

        /**
         *
         */
        public function save_toggle_element_options() {
            return true;
        }
    }
}
